CN110925249B - Prefabricated underground structure assembling central control equipment based on multi-point cooperative algorithm - Google Patents
Prefabricated underground structure assembling central control equipment based on multi-point cooperative algorithm Download PDFInfo
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- CN110925249B CN110925249B CN201911065743.6A CN201911065743A CN110925249B CN 110925249 B CN110925249 B CN 110925249B CN 201911065743 A CN201911065743 A CN 201911065743A CN 110925249 B CN110925249 B CN 110925249B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/25—Constructional features
- B66F3/42—Constructional features with self-contained pumps, e.g. actuated by hand
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
- F15B21/0423—Cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
- F15B21/0427—Heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/75—Control of speed of the output member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/76—Control of force or torque of the output member
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
A prefabricated underground structure assembling central control device based on a multipoint collaborative algorithm comprises an auxiliary hydraulic pump station, a main hydraulic pump station, an electromagnetic proportional valve, a reversing valve, an electromagnetic proportional overflow valve, a hydraulic oil tank, a manual overflow valve, an ultrahigh pressure electromagnetic valve and a central control device communication host, wherein the hydraulic oil tank is rectangular and is arranged at the lower part, other components are arranged on the upper surface of the hydraulic oil tank, the main hydraulic pump station is a prefabricated underground structure assembling main pump station and is connected with the electromagnetic proportional valve, the reversing valve and the electromagnetic proportional overflow valve to form a main hydraulic pump station system, and the auxiliary hydraulic pump station is connected with the ultrahigh pressure electromagnetic valve and the manual overflow valve to form a standby pump station system; therefore, the invention can realize the accurate output control of different quantities of tension force and tension speed when different jacks are tensioned, thereby improving the assembly quality, avoiding the structural damage and avoiding the structural potential safety hazard of long-term operation of the prefabricated structure.
Description
Technical Field
The invention relates to the technical field of prefabricated underground structure assembly, in particular to a prefabricated underground structure assembly central control device based on a multipoint cooperative algorithm.
Background
At present, the construction process of manual in-situ pouring is generally adopted in underground structure construction, the defects of long construction period, small space span, more beam-column structures, incapability of guaranteeing the structural quality and the like are overcome, and in cold regions, the cast-in-situ construction process is adopted, so that the construction can not be carried out in winter, and the construction efficiency and the benefit of the engineering are greatly influenced. In order to make up the defects and shortcomings of the existing manual in-situ pouring underground structure, the inventor invents a construction process for assembling the prefabricated underground structure and a matched assembly automatic control system and equipment, solves the problem that the construction operation cannot be carried out in a cast-in-place mode in cold areas, and has the advantages of good quality of prefabricated structural members, no beam columns, large space span, short construction period, low decoration cost and the like, so that the prefabricated underground structure has wide application prospects in assembled structures such as railway and urban rail transit stations, sections, entrances and exits, air ducts and the like, large underground space development assembled structures, underground pipeline and comprehensive pipe gallery assembled structures, urban underground pedestrian passages, underground traffic tunnel assembled structures and other similar projects built in a prefabricated assembly mode.
The prefabricated structure installation construction currently adopts the means that an installer observes the width of a structural seam between different prefabricated structural components to be assembled by naked eyes, installs connecting bolts by using reserved holes at different parts of the prefabricated structural components, and stretches through a hydraulic station and a hollow jack to fix the bolts after the two prefabricated structural components are tightly contacted to complete the assembly operation. The prefabricated structure assembly technology that has adopted now, the seam of different prefabricated construction component is through the visual observation precision not enough, and after the artificial judgement according to the different position multiple spot structure seam width size of prefabricated component, when utilizing hydraulic pressure station and jack stretch-draw, because the tensioning force when the jack is stretched tension, tensioning speed can't obtain the output control of different volume simultaneously, cause prefabricated construction component assemble not in place, the structure is damaged, watertight fittings receives the extrusion inefficacy, the too big waterproof effect scheduling problem that influences in gap, the potential safety hazard and the life of operating for a long time to prefabricated construction component have caused harmful effects.
Therefore, in view of the above drawbacks, the designer of the present invention researches and designs a prefabricated underground structure assembling central control device based on a multi-point cooperation algorithm by taking into account the experiences and achievements of related industries for a long time through careful research and design, so as to overcome the above drawbacks.
Disclosure of Invention
The invention aims to provide a prefabricated underground structure assembling central control device based on a multipoint cooperative algorithm, which is simple in structure and convenient to operate and maintain, and can realize accurate output control of tension force and tension speed of different jacks during tensioning, so that the assembly quality is improved, the structural damage is avoided, and the structural safety hidden danger of long-term operation of a prefabricated structure is avoided.
In order to solve the problems, the invention discloses a prefabricated underground structure assembling central control device based on a multipoint cooperative algorithm, which comprises an auxiliary hydraulic pump station, a main hydraulic pump station, an electromagnetic proportional valve, a reversing valve, an electromagnetic proportional overflow valve, a hydraulic oil tank, a manual overflow valve, an ultrahigh pressure electromagnetic valve and a central control device communication host, and is characterized in that:
the hydraulic oil tank is rectangular and is arranged at the lower part, other components are arranged on the upper surface of the hydraulic oil tank, the hydraulic oil tank is provided with an oil filling port, the main hydraulic pump station is a main pump station assembled by a prefabricated underground structure and is connected with an electromagnetic proportional valve, a reversing valve and an electromagnetic proportional overflow valve to form a main hydraulic pump station system, the auxiliary hydraulic pump station is connected with an ultrahigh pressure electromagnetic valve and a manual overflow valve to form a standby pump station system, so that the pressure of the hydraulic pump actually output to the hollow jack is adjusted through the manual overflow valve when the pressure of the main hydraulic pump station is insufficient in the assembling process of the prefabricated underground structure, and the ultrahigh pressure electromagnetic valve is responsible for outputting oil pressure to the oil return when the hollow jack is ejected outwards and guided back to the hollow jack;
the electromagnetic proportional valve and the ultrahigh pressure electromagnetic valve are connected to the hollow jack through an oil pipe, the electromagnetic proportional valve is used as a control valve for outputting oil quantity, and the speed of the pushing speed and the speed of the falling speed of the hollow jack are directly determined through voltage or current signal control; the reversing valve is used as a reserved valve to prevent other valves from being damaged or insufficient in quantity; the electromagnetic proportional overflow valve is used for adjusting the oil pressure output to the electromagnetic proportional valve by the main hydraulic pump station and is controlled by a voltage or current signal;
the central control equipment communication host is arranged in the middle position above the hydraulic oil tank and serves as a core for assembling the central control equipment for the prefabricated underground structure.
Wherein: still contain oil temperature sensor, oil temperature heater, oil temperature cooling fan, oil temperature sensor sets up in hydraulic tank with its internal oil temperature of real-time detection, oil temperature heater locates in the hydraulic tank in order to carry out the oil temperature heating, oil temperature cooling fan connects in hydraulic tank inner space to cool down to hydraulic oil in it through the fan.
Wherein: the built-in temperature sensor of the oil temperature sensor monitors the temperature of the oil in real time, if the oil temperature is higher than a preset threshold value, a signal is sent to the built-in central control system to automatically start the oil temperature cooling fan to cool the oil, and if the oil temperature is lower than the preset threshold value, the oil temperature heater is automatically started to heat the oil.
Wherein: the auxiliary hydraulic pump station is a 60MPa pump station, and the main hydraulic pump station is a 35MPa pump station.
Wherein: well accuse equipment communication host computer is connected to the wide monitoring communication module of structure seam of wide monitoring sensor of structure seam through loRa wireless communication protocol, the oil pressure monitoring communication module on the oil pressure sensor of hollow jack, anchor head control communication module on the anchor head self-locking device, the last oil temperature monitoring communication module of oil temperature sensor, thereby synchronous or send or retrieve the instruction according to certain order, realize assembling the wide monitoring sensor of in-process structure seam to prefabricated assembled underground structure, oil temperature sensor, oil pressure sensor's data information's dynamic monitoring, and realize the control that the tensioning force and the tensioning rate and the anchor head of stretch-draw point were screwed to the multiple spot.
According to the structure, the prefabricated underground structure assembling central control equipment based on the multipoint coordination algorithm has the following effects:
1. the structure is simple, the operation is convenient, the maintenance is convenient and fast, and the application is wide;
2. the method realizes accurate real-time monitoring of the multi-point structure seam width among different prefabricated components, establishes a multi-point cooperative control algorithm for multi-point tensioning control of the prefabricated components, and realizes accurate output control of different amounts of tensioning force and tensioning speed of different jacks during tensioning, thereby improving the assembly quality, avoiding structural damage and avoiding the structural potential safety hazard of long-term operation of the prefabricated structure.
3. Accuse is equipped in assembling of prefabricated assembled underground structure adopts loRa wireless communication agreement, has wireless transmission, the communication distance is long, the signal is stable, the low power dissipation, effectively solved based on the wired problem of arranging inconveniently, inflexible and based on existing wireless communication technique transmission such as bluetooth, Zigbee unstable, the distance is short, the big problem of consumption, can ensure to assemble the stable, quick data transmission between accuse is equipped and all measurement and control sensors to guarantee the quality of assembling of prefabricated assembled structure.
4. The device adopts a double-insurance design of a main hydraulic pump station and an auxiliary hydraulic pump station (low and high pressure configuration), can avoid special conditions in the automatic assembling process of the prefabricated underground structure and can quickly start high-pressure assembling equipment when the prefabricated underground structure cannot be automatically assembled in place, thereby realizing effective assembling under the special conditions.
5. The prefabricated underground structure can be applied to prefabricated structures such as railway and urban rail transit stations, intervals, entrances and exits, air ducts and the like, large underground space development prefabricated structures, underground pipelines and comprehensive pipe gallery prefabricated structures, urban underground pedestrian passageways, underground traffic tunnel prefabricated structures and other similar projects built in a prefabricated assembly mode, and has wide popularization significance.
The details of the present invention can be obtained from the following description and the attached drawings.
Drawings
Fig. 1 shows a schematic structural diagram of the prefabricated underground structure assembling central control equipment based on the multipoint coordination algorithm.
Fig. 2 shows an internal schematic of the invention.
Fig. 3 shows a schematic connection of the present invention.
Detailed Description
Referring to fig. 1 and 2, the prefabricated underground structure assembling central control equipment based on the multi-point cooperation algorithm is shown.
The prefabricated underground structure assembling central control equipment based on the multi-point cooperation algorithm comprises an auxiliary hydraulic pump station 1, a main hydraulic pump station 2, an oil temperature sensor 3, an oil temperature heater 4, an electromagnetic proportional valve 5, a reversing valve 6, an electromagnetic proportional overflow valve 7, an oil temperature cooling fan 8, a hydraulic oil tank 9, a manual overflow valve 10, an ultrahigh pressure electromagnetic valve 11 and a central control equipment communication host 12.
Wherein, hydraulic tank 9 is the rectangle and sets up in the lower part, and other parts set up in hydraulic tank 9's upper surface, hydraulic tank 9 is equipped with an oil filler hole, main hydraulic power unit 2 is the main pump station that prefabricated assembled underground structure was assembled, and it is connected with electromagnetism proportional valve 5, switching-over valve 6 and electromagnetism proportional overflow valve 7 and constitutes main hydraulic power unit system, assist hydraulic power unit 1 and ultrahigh pressure solenoid valve 11 and manual overflow valve 10 and be connected and form reserve pump station system to when preventing that prefabricated underground structure from assembling in-process if main hydraulic power unit 2 pressure is not enough, be responsible for the pressure of adjusting the hydraulic pump actual output to hollow jack through manual overflow valve 10, ultrahigh pressure solenoid valve 11 is responsible for the output oil pressure and is outwards ejecting and lead back the fluid backward flow when hollow jack falls to hollow jack.
The electromagnetic proportional valve 5 is used as a control valve for outputting oil quantity, is controlled by a voltage or current signal, and directly determines the advancing speed and the falling speed of the hollow jack; the reversing valve 6 is used as a reserved valve to prevent other valves from being damaged or insufficient in quantity; the electromagnetic proportional overflow valve 7 is responsible for adjusting the oil pressure output to the electromagnetic proportional valve 5 by the main hydraulic pump station 2 and is controlled by a voltage or current signal.
Still contain oil temperature sensor 3, oil temperature heater 4, oil temperature cooling fan 8, oil temperature sensor 3 sets up in hydraulic tank 9 with its interior oil temperature of real-time detection, oil temperature heater 4 is located in hydraulic tank 9 in order to carry out the oil temperature heating, oil temperature cooling fan 8 is connected in 9 inner spaces of hydraulic tank to cool down to hydraulic oil in it through the fan.
Referring to fig. 3, the plurality of electromagnetic proportional valves 5 and the ultrahigh pressure electromagnetic valves 11 are respectively connected to the plurality of hollow jacks 17 through oil pipes 15, and the central control device communication host 12 is respectively connected to each electromagnetic proportional valve 5 and the ultrahigh pressure electromagnetic valve 11, so as to realize respective control.
Wherein, the central control equipment communication host 12 is arranged at the middle position above the hydraulic oil tank 9, is used as the core of the central control equipment for assembling the prefabricated underground structure, is based on multi-point cooperative measurement and multi-point cooperative loading and control algorithm, and is connected to the structure seam width monitoring communication module 22 of the structure seam width monitoring sensor 21, the oil pressure monitoring communication module 19 on the oil pressure sensor 18 of the hollow jack 17, the anchor head control communication module 20 on the anchor head self-locking device 16, the oil temperature monitoring communication module 13 on the oil temperature sensor 3, the oil quantity control communication module and the oil pressure monitoring communication module through the LoRa wireless communication protocol, thereby synchronously or according to a certain sequence sending or recovering instructions, realizing the dynamic monitoring of data information of the structure seam width monitoring sensor, the oil temperature sensor, the oil pressure sensor and the like in the assembling process of the prefabricated underground structure, and the control of the tension force and the tension rate of the multi-point assembled tension point and the screwing of the anchor head is realized.
The working temperature of oil of the prefabricated underground structure assembling central control equipment can influence the service lives of hydraulic oil and hydraulic elements, and the change of the oil temperature can cause the viscosity change of the oil, so that the movement speed of a mechanical system is unstable. A built-in temperature sensor of the oil temperature sensor 3 monitors the temperature of the oil in real time, if the oil temperature is higher than a preset threshold value, a signal is immediately sent to a built-in central control system to automatically start an oil temperature cooling fan 8 to cool the oil, and if the oil temperature is lower than the preset threshold value, an oil temperature heater 4 is automatically started to heat the oil; the hydraulic oil tank 9 provides sufficient oil for the normal work of the standby pump station-auxiliary hydraulic pump station 1(60MPa) and the main hydraulic pump station 2(35 MPa).
The central control equipment communication host 12 is in wireless communication with the prefabricated structure seam width monitoring communication module, the anchor head control communication module, the oil pressure monitoring communication module, the internal oil quantity control module and the oil temperature monitoring module through a LoRa wireless communication protocol, so that data monitoring of the structure seam width monitoring sensor, the oil temperature monitoring sensor and the oil pressure monitoring sensor and remote control of the structure seam width monitoring sensor, the electromagnetic proportional valve and the anchor head self-screwing device are realized.
Therefore, the invention has the advantages that:
1. the structure is simple, the operation is convenient, the maintenance is convenient and fast, and the application is wide;
2. the method realizes accurate real-time monitoring of the multi-point structure seam width among different prefabricated components, establishes a multi-point cooperative control algorithm for multi-point tensioning control of the prefabricated components, and realizes accurate output control of different amounts of tensioning force and tensioning speed of different jacks during tensioning, thereby improving the assembly quality, avoiding structural damage and avoiding the structural potential safety hazard of long-term operation of the prefabricated structure.
3. Accuse is equipped in assembling of prefabricated assembled underground structure adopts loRa wireless communication agreement, has wireless transmission, the communication distance is long, the signal is stable, the low power dissipation, effectively solved based on the wired problem of arranging inconveniently, inflexible and based on existing wireless communication technique transmission such as bluetooth, Zigbee unstable, the distance is short, the big problem of consumption, can ensure to assemble the stable, quick data transmission between accuse is equipped and all measurement and control sensors to guarantee the quality of assembling of prefabricated assembled structure.
4. The device adopts a double-insurance design of a main hydraulic pump station and an auxiliary hydraulic pump station (low and high pressure configuration), can avoid special conditions in the automatic assembling process of the prefabricated underground structure and can quickly start high-pressure assembling equipment when the prefabricated underground structure cannot be automatically assembled in place, thereby realizing effective assembling under the special conditions.
5. The prefabricated underground structure can be applied to prefabricated structures such as railway and urban rail transit stations, intervals, entrances and exits, air ducts and the like, large underground space development prefabricated structures, underground pipelines and comprehensive pipe gallery prefabricated structures, urban underground pedestrian passageways, underground traffic tunnel prefabricated structures and other similar projects built in a prefabricated assembly mode, and has wide popularization significance.
It should be apparent that the foregoing description and illustrations are by way of example only and are not intended to limit the present disclosure, application or uses. While embodiments have been described in the embodiments and depicted in the drawings, the present invention is not limited to the particular examples illustrated by the drawings and described in the embodiments as the best mode presently contemplated for carrying out the teachings of the present invention, and the scope of the present invention will include any embodiments falling within the foregoing description and the appended claims.
Claims (4)
1. The utility model provides a accuse is equipped during prefabricated assembled underground structure is assembled based on multi-point collaborative algorithm, includes that assist hydraulic power unit, main hydraulic power unit, electromagnetism proportional valve, switching-over valve, electromagnetism proportional overflow valve, hydraulic tank, manual overflow valve, superhigh pressure solenoid valve and well accuse equipment communication host computer, its characterized in that:
the hydraulic oil tank is rectangular and is arranged at the lower part, other components are arranged on the upper surface of the hydraulic oil tank, the hydraulic oil tank is provided with an oil filling port, the main hydraulic pump station is a main pump station assembled by a prefabricated underground structure, the main hydraulic pump station is connected with an electromagnetic proportional valve, a reversing valve and an electromagnetic proportional overflow valve to form a main hydraulic pump station system, the auxiliary hydraulic pump station is connected with an ultrahigh pressure electromagnetic valve and a manual overflow valve to form a standby pump station system, so that when the pressure of the main hydraulic pump station is insufficient in the assembling process of the prefabricated underground structure, the pressure of the hydraulic pump actually output to the hollow jack is adjusted through the manual overflow valve, the oil is output to the hollow jack through the ultrahigh pressure electromagnetic valve, the hollow jack is ejected outwards, and the oil when the hollow jack falls back is guided through the ultrahigh pressure electromagnetic valve;
the electromagnetic proportional valve and the ultrahigh pressure electromagnetic valve are connected to the hollow jack through an oil pipe, the electromagnetic proportional valve is used as a control valve for outputting oil quantity, and the speed of the pushing speed and the speed of the falling speed of the hollow jack are directly determined through voltage or current signal control; the reversing valve is used as a reserved valve to prevent other valves from being damaged or insufficient in quantity; the electromagnetic proportional overflow valve is used for adjusting the oil pressure output to the electromagnetic proportional valve by the main hydraulic pump station and is controlled by a voltage or current signal;
the central control equipment communication host is arranged in the middle position above the hydraulic oil tank and is used as the core of the central control equipment assembled by the prefabricated underground structure;
well accuse equipment communication host computer is connected to the wide monitoring communication module of structure seam of wide monitoring sensor of structure seam through loRa wireless communication protocol, the oil pressure monitoring communication module on the oil pressure sensor of hollow jack, anchor head control communication module on the anchor head self-locking device, the last oil temperature monitoring communication module of oil temperature sensor, thereby synchronous or send or retrieve the instruction according to certain order, realize assembling the wide monitoring sensor of in-process structure seam to prefabricated assembled underground structure, oil temperature sensor, oil pressure sensor's data information's dynamic monitoring, and realize the control that the tensioning force and the tensioning rate and the anchor head of stretch-draw point were screwed to the multiple spot.
2. The prefabricated underground structure assembling central control equipment based on the multipoint cooperative algorithm as claimed in claim 1, wherein: still contain oil temperature sensor, oil temperature heater, oil temperature cooling fan, oil temperature sensor sets up in hydraulic tank with its internal oil temperature of real-time detection, oil temperature heater locates in the hydraulic tank in order to carry out the oil temperature heating, oil temperature cooling fan connects in hydraulic tank inner space to cool down to hydraulic oil in it through the fan.
3. The prefabricated underground structure assembling central control equipment based on the multipoint cooperative algorithm as claimed in claim 2, wherein: the built-in temperature sensor of the oil temperature sensor monitors the temperature of the oil in real time, if the oil temperature is higher than a preset threshold value, a signal is sent to the built-in central control system to automatically start the oil temperature cooling fan to cool the oil, and if the oil temperature is lower than the preset threshold value, the oil temperature heater is automatically started to heat the oil.
4. The prefabricated underground structure assembling central control equipment based on the multipoint cooperative algorithm as claimed in claim 1, wherein: the auxiliary hydraulic pump station is a 60MPa pump station, and the main hydraulic pump station is a 35MPa pump station.
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| CN105951880A (en) * | 2016-05-09 | 2016-09-21 | 江苏鸿基节能新技术股份有限公司 | Assembled underground structure of precast concrete planks and construction method thereof |
| CN106122137A (en) * | 2016-08-31 | 2016-11-16 | 泰尔重工股份有限公司 | A kind of hydraulic system for moment of torsion laboratory bench and control method thereof |
| CN107580201A (en) * | 2017-10-19 | 2018-01-12 | 南京棣拓智能科技有限公司 | A kind of active video monitoring system for merging distributed sensor and its application |
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