CN112557079A - Simulation test platform for vertical shaft heading machine propulsion system - Google Patents
Simulation test platform for vertical shaft heading machine propulsion system Download PDFInfo
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- CN112557079A CN112557079A CN202011422390.3A CN202011422390A CN112557079A CN 112557079 A CN112557079 A CN 112557079A CN 202011422390 A CN202011422390 A CN 202011422390A CN 112557079 A CN112557079 A CN 112557079A
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- 238000012360 testing method Methods 0.000 title claims abstract description 59
- 238000004088 simulation Methods 0.000 title claims abstract description 47
- 238000013480 data collection Methods 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 32
- 230000008569 process Effects 0.000 abstract description 29
- 238000011161 development Methods 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 description 42
- 239000010959 steel Substances 0.000 description 42
- 230000005641 tunneling Effects 0.000 description 18
- 230000005484 gravity Effects 0.000 description 10
- 238000013461 design Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D1/00—Sinking shafts
- E21D1/03—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a simulation test platform for a vertical shaft heading machine propelling system, which comprises an oil cylinder group, a frame, a guide device and an acquisition control device, wherein the guide device can move relative to the frame, a cylinder barrel of the oil cylinder group is fixed on the frame, a piston rod of the oil cylinder group is connected with the guide device, the acquisition control device is connected with the oil cylinder group, and the acquisition control device is used for realizing data acquisition and control of the oil cylinder group. The simulation test platform for the vertical shaft heading machine propulsion system meets the requirement of simulating the propulsion process of the vertical shaft heading machine, is reliable and efficient in simulating the propulsion process of the vertical shaft heading machine, realizes the simulation and data acquisition of the test, further avoids the direct application of the technology to equipment when the propulsion system is imperfect, and shortens the development cycle of the vertical shaft heading machine propulsion system through an advanced test.
Description
Technical Field
The invention relates to the technical field of shaft tunneling, in particular to a simulation test platform for a shaft tunneling machine propelling system.
Background
The one-step forming vertical shaft heading machine is different from other engineering machinery, system design needs to be carried out according to different negative loads, and an adaptive design method and an adaptive design technology are particularly important in design of a vertical shaft propulsion system.
Due to the variability of the negative load, the load type of the composite control of the steel strand system and the propulsion system and the limitation of the existing mathematical calculation, the physical model test forms the basis of the technical progress of the shaft shield propulsion system, and is an effective means for providing the propulsion reliability and the high efficiency of the shaft tunnel boring machine. At present, no corresponding simulation test platform exists, so that the design of the shaft propulsion system lacks test data.
Therefore, how to provide a simulation test platform for a shaft development machine propulsion system, which can perform simulation tests in the design of the shaft development system and provide test data, is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a simulation test platform for a vertical shaft development machine propulsion system, which meets the requirement of simulating the propulsion process of a vertical shaft development machine, is reliable and efficient in simulating the propulsion process of the vertical shaft development machine, realizes the simulation and data acquisition of a test, further avoids the direct application of the technology to equipment when the propulsion system is imperfect, and shortens the development cycle of the vertical shaft development machine propulsion system through an advanced test.
In order to achieve the purpose, the invention provides a simulation test platform for a vertical shaft heading machine propelling system, which comprises an oil cylinder group, a frame, a guide device and a collection control device, wherein the guide device can move relative to the frame, a cylinder barrel of the oil cylinder group is fixed on the frame, a piston rod of the oil cylinder group is connected with the guide device, the collection control device is connected with the oil cylinder group, and the collection control device is used for realizing data collection and control of the oil cylinder group.
Preferably, the acquisition control device comprises a PLC controller, a stroke sensor built in the cylinder group, and a pressure sensor assembled to a cylinder of the cylinder group, and the PLC controller is connected to the stroke sensor and the pressure sensor.
Preferably, the pressure sensor comprises a first pressure sensor fitted to a rod chamber of a cylinder of the cylinder group and a second pressure sensor fitted to a rodless chamber of a cylinder of the cylinder group.
Preferably, the oil cylinder group comprises a steel strand lifting oil cylinder and a pushing oil cylinder, a piston rod of the steel strand lifting oil cylinder is fixedly connected with the steel strand, the steel strand is fixedly connected with the guiding device, and a piston rod of the pushing oil cylinder is fixedly connected with the guiding device.
Preferably, the oil cylinder group comprises a negative load oil cylinder, and a piston rod of the negative load oil cylinder is fixedly connected with the guide device.
Preferably, the hydraulic system comprises a hydraulic pump station, and a first control valve group, a second control valve group and a third control valve group which are respectively connected with the steel strand lifting oil cylinder, the propulsion oil cylinder and the load oil cylinder, wherein the hydraulic pump station is connected with the first control valve group, the second control valve group and the third control valve group.
Preferably, the PLC controller is connected to the hydraulic pump station, the first control valve group, the second control valve group, and the third control valve group.
Preferably, the frame comprises a fixed frame and a reaction frame, the cylinder barrel of the oil cylinder group is fixedly assembled on the reaction frame, and the guide device is assembled on the reaction frame in a sliding manner.
Preferably, the fixing frame is provided with a pair of sliding grooves, and two sides of the guiding device are respectively assembled in the pair of sliding grooves in a sliding manner.
Preferably, the cylinder group and the guide means are arranged in a horizontal direction.
Compared with the background technology, the simulation test platform for the propulsion system of the shaft boring machine comprises an oil cylinder group, a frame, a guiding device and a collection control device, wherein the oil cylinder group is fixed on the frame and can drive the guiding device to move relative to the frame so as to simulate the boring process of equipment in the boring process, and the collection control device is connected with the oil cylinder group and is used for monitoring and collecting the operation data of the oil cylinder group in real time and controlling the oil cylinder group to realize the simulation of the test; the simulation test platform for the vertical shaft heading machine propulsion system meets the requirement of simulating the vertical shaft heading machine propulsion process, the simulation vertical shaft heading machine propulsion process is reliable and efficient, the simulation and data acquisition of the test is realized, the technology is prevented from being directly applied to equipment when the propulsion system is imperfect, and the advanced test shortens the development cycle of the vertical shaft heading machine propulsion system.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a simulation test platform for a shaft boring machine propulsion system according to an embodiment of the present invention.
Wherein:
101-steel strand lifting oil cylinder, 102-propulsion oil cylinder, 103-negative load oil cylinder, 201-first control valve group, 202-second control valve group, 203-third control valve group, 3-hydraulic pump station, 4-acquisition control device, 5-guiding device, 6-fixing frame, 7-sliding chute, 8-reaction frame and 9-steel strand.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a simulation test platform for a shaft boring machine propulsion system according to an embodiment of the present invention.
The shaft heading machine is comprehensive mechanical equipment for heading a shaft, separates rocks from a rock body by adopting a mechanical rock breaking mode, drills in a stratum from top to bottom, and simultaneously adopts mechanical equipment to support the shaft to form the shaft so as to provide a channel for ore body excavation and underground space construction; at present, a simulation test platform for simulating the tunneling process of a vertical shaft tunneling machine does not exist.
In a first specific embodiment, the simulation test platform for the propulsion system of the shaft boring machine provided by the invention comprises an oil cylinder group, a frame, a guide device 5 and a collection control device 4, wherein the oil cylinder group is fixedly installed on the frame, the guide device 5 can move relative to the frame, and the oil cylinder group is connected with the guide device 5 to realize that the oil cylinder group drives the guide device 5 to move, so that the boring process of the boring machine is simulated; wherein, the cylinder of the oil cylinder group is fixed on the frame, the piston rod of the oil cylinder group is connected with the guiding device 5, and the piston rod can drive the guiding device 5 to move when moving relative to the cylinder. Besides, the acquisition control device 4 is connected with the oil cylinder group, and the acquisition control device 4 is used for acquiring the operation data of the oil cylinder group and controlling the oil cylinder group, so that the simulation of the test and the acquisition of the data are realized.
In this embodiment, the acquisition control device 4 may adopt a combination of a controller and a sensor, the sensor monitors operation data of each device of the simulation test platform, such as pressure, flow rate and other data of the oil cylinder group, the sensor transmits data obtained by real-time monitoring to the controller, and the controller performs recording, processing analysis and judgment control to complete the simulation test.
The simulation test platform for the vertical shaft heading machine propulsion system meets the requirement of simulating the vertical shaft heading machine propulsion process, the simulation vertical shaft heading machine propulsion process is reliable and efficient, the simulation and data acquisition of the test is realized, the technology is prevented from being directly applied to equipment when the propulsion system is imperfect, and the advanced test shortens the development cycle of the vertical shaft heading machine propulsion system.
Specifically, the acquisition control device 4 includes a PLC controller, a stroke sensor built in the oil cylinder group, and a pressure sensor assembled in the cylinder barrel of the oil cylinder group, the PLC controller in this embodiment adopts a structural form of a PLC control box, the PLC control box is connected with a plurality of devices of the simulation test platform, such as the oil cylinder group, and is also connected with a plurality of sensors, such as the stroke sensor and the pressure sensor, the PLC control box is used as a data acquisition and control system of the whole platform, and is used for monitoring a propulsion system, that is, the oil cylinder group, and acquiring and recording operation data of various sensors and devices in the test platform in real time.
Besides, the sensor is arranged to further comprise an upper clamping switch and a lower clamping switch of the steel strand lifting oil cylinder 101, the acquisition control device 4 is used for monitoring the system, and acquiring and recording operation data of various sensors and equipment of the test bed in real time, so that the state of the hydraulic system is analyzed, and the subsequent analysis of the system matching performance is facilitated.
Furthermore, the pressure sensor comprises a first pressure sensor which is assembled in a rod cavity of the cylinder barrel of the oil cylinder group and a second pressure sensor which is assembled in a rodless cavity of the cylinder barrel of the oil cylinder group, and pressure data of the cylinder barrel of the oil cylinder group can be processed and obtained according to pressure data of the first pressure sensor and the second pressure sensor.
In a specific embodiment, the propulsion system, i.e., the cylinder set, of the present embodiment includes, but is not limited to, a propulsion cylinder 102 providing propulsion force, and a strand lift cylinder 101 providing lowering force.
In this embodiment, the cylinder barrels of the steel strand lifting cylinder 101 and the propulsion cylinder 102 are both mounted and fixed on the frame, and the steel strand lifting cylinder 101 and the propulsion cylinder 102 are assembled on opposite sides of the frame, that is, the piston rods of the steel strand lifting cylinder 101 and the propulsion cylinder 102 move back to back when extending out; the piston rod of the steel strand lifting oil cylinder 101 is fixedly connected with the steel strand 9, the steel strand 9 is fixedly connected with the guide device 5, and the piston rod of the propulsion oil cylinder 102 is fixedly connected with the guide device 5; more specifically, the piston rod of the thrust cylinder 102 is connected to the guide 5 via a joint bearing.
In a simulation test, a piston rod of the steel strand lifting oil cylinder 101 extends outwards, the piston rod pulls the steel strand 9, the steel strand 9 pulls the guide device 5 upwards, the steel strand lifting oil cylinder 101 indirectly pulls the guide device 5 upwards, and negative downward force in the tunneling process is simulated at the moment; the piston rod of the steel strand lifting oil cylinder 101 is retracted inwards, the steel strand 9 is loosened by the piston rod, the steel strand 9 can be lowered under the action of the self gravity of the self weight in the process of simulating tunneling or the gravity simulation, and the forward lowering force in the process of simulating tunneling is realized at the moment. A piston rod of the propulsion oil cylinder 102 extends outwards, and the piston rod directly pushes the guide device 5, so that the forward propulsion force in the tunneling process is simulated; the piston rod of the propulsion cylinder 102 retracts inwards, the piston rod directly pulls the guide device 5, and negative propulsion force in the tunneling process is simulated at the moment.
Wherein, this simulation test platform has multiple arrangement mode: in the first arrangement mode, the whole platform is in a vertical state, the gravity of the equipment in the tunneling process can be simulated by utilizing the gravity of the guide device 5 or the gravity of an extra added heavy object, and the tunneling force or the lowering force in the tunneling process can be simulated by utilizing the oil cylinder group; in the second arrangement, the whole platform is in a horizontal state, and at this time, the gravity of the equipment in the tunneling process cannot be simulated by the gravity of the equipment in the platform, and a corresponding force application part needs to be additionally arranged, so that the force is applied by the force application part in the horizontal direction to simulate the gravity of the equipment in the tunneling process.
Illustratively, the cylinder group and the guide device 5 are arranged along the horizontal direction, and force application components such as an electric push rod, an air cylinder, an oil cylinder and the like are additionally added to simulate the gravity of the equipment during the tunneling process.
Specifically, the oil cylinder group comprises a negative load oil cylinder 103, and a piston rod of the negative load oil cylinder 103 is fixedly connected with the guide device 5; the negative load oil cylinder 103 and the propelling oil cylinder 102 are arranged on the same side in the same direction, a cylinder barrel of the negative load oil cylinder 103 is fixed on the rack, a piston rod of the negative load oil cylinder 103 extends out relative to the cylinder barrel, the piston rod pushes the guide device 5 with a certain force, and therefore the gravity of equipment in the tunneling process is simulated.
In this embodiment, a hydraulic system is adopted, and the hydraulic system further includes a hydraulic pump station 3, a first control valve group 201, a second control valve group 202, and a third control valve group 203, the hydraulic pump station 3 is connected with the first control valve group 201, the second control valve group 202, and the third control valve group 203, and the first control valve group 201, the second control valve group 202, and the third control valve group 203 are respectively connected with the steel strand lifting cylinder 101, the propulsion cylinder 102, and the negative load cylinder 103.
The first control valve group 201 and the second control valve group 202 respectively realize stepless regulation of pressure and flow of corresponding oil cylinders, the third control valve group 203 can regulate the magnitude of load capacity in a stepless mode, and the simulation test platform has the advantages of complete functions, high simulation degree and the like and is used for conducting simulation tests and key element tests of the propulsion system of the shaft boring machine, so that the design, debugging and construction correctness of the propulsion system of the shaft boring machine are verified, risks brought to equipment by system imperfection are avoided, the research and development period of a new product is shortened, the reliability of the system can be improved after test results are optimized, and the control system is developed independently.
In this embodiment, the PLC controller is connected to the hydraulic pump station 3, the first control valve group 201, the second control valve group 202, and the third control valve group 203, and the PLC controller monitors and controls the operation data of each device. The pressure and the flow of the steel strand lifting oil cylinder 101 are independently and steplessly adjusted respectively, the force of the negative load oil cylinder 103 is steplessly adjusted, the speed and the force of the pushing oil cylinder 102 and the steel strand lifting oil cylinder 101 under different working conditions of different negative load pushing processes, namely the negative load oil cylinder 103, can be compositely adjusted, the efficiency and the synchronous control of the system are researched, and the whole system shares the oil supply of the hydraulic pump station 3.
Illustratively, the two thrust cylinders 102 and the two negative load cylinders 103 are arranged in pairs, the steel strand lifting cylinder 101 is arranged at the middle position, and the negative load cylinders 103 and the thrust cylinders 102 are arranged in sequence from inside to outside.
The simulation test platform for the vertical shaft heading machine propulsion system meets the requirements of simulating the force and the speed of each system in the propulsion process of the vertical shaft heading machine, simulates the action of the steel strand lifting oil cylinder 101 and the action of the propulsion oil cylinder 102 in the propulsion process of the vertical shaft heading machine, tests the stress of the steel strand 9, the speed of the steel strand 9, the stress of the propulsion oil cylinder 102 and the speed of the propulsion oil cylinder 102 in the action process, compares the differences of the propulsion system, namely the propulsion oil cylinder 102 and the steel strand system, namely the steel strand lifting oil cylinder 101 under different load conditions, avoids directly applying the technology to equipment when the propulsion system is imperfect, and shortens the research and development period of the vertical shaft heading machine propulsion system through advanced test tests.
Besides, the frame comprises a fixed frame 6 and a reaction frame 8, a cylinder barrel of the oil cylinder group is fixedly assembled on the reaction frame 8, the guide device 5 is assembled on the reaction frame 8 in a sliding mode, and the guide device 5 slides on the reaction frame 8 so as to simulate the tunneling action in the tunneling process.
More specifically, the fixing frame 6 is provided with a pair of sliding grooves 7, the guiding device 5 is a seat body, two sides of the seat body are respectively assembled in the pair of sliding grooves 7 in a sliding manner, and the guiding device 5 can freely slide between the sliding grooves 7 of the fixing frame 6.
In a specific simulation method, when the composite control propulsion process of lowering the steel strand 9 and propelling the propulsion oil cylinder 102 is carried out, the influence of the pressure and the flow of different steel strands 9 on the propulsion pressure and speed is tested.
Firstly, the third control valve group 203 extends out of the valve to be electrified and adjusts the negative load oil cylinder 103 to reach the design pressure; setting a certain lowering speed and lowering pressure of the steel strand 9, and then electrifying the first control valve group 201; slowly adjusting the pressure of the descending of the propulsion oil cylinder 102 until the guide device 5 starts to act, further adjusting the speed of the propulsion oil cylinder 102, and researching the relation between the speed of the guide device 5 and the propulsion oil cylinder 102 and the steel strand lifting oil cylinder 101; after the test is finished, the lowering speed of the steel strand 9 is unchanged, the lowering pressure of the steel strand 9 is changed, and the propulsion system, namely the propulsion oil cylinder 102, is tested under the same condition; the lowering speed of the steel strand 9 is constant, after the lowering pressure change test of the steel strand 9 is completed, the lowering speed of the steel strand 9 is changed under the condition of the lowering pressure of the steel strand 9, the test is repeated again, and the influence of the pressure and the flow of different steel strands 9 on the pressure and the speed of the propulsion oil cylinder 102 is researched.
It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The simulation test platform for the shaft development machine propulsion system provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The simulation test platform for the vertical shaft heading machine propelling system is characterized by comprising an oil cylinder group, a frame, a guide device (5) and a collection control device (4), wherein the guide device (5) can move relative to the frame, a cylinder barrel of the oil cylinder group is fixed on the frame, a piston rod of the oil cylinder group is connected with the guide device (5), the collection control device (4) is connected with the oil cylinder group, and the collection control device (4) is used for achieving data collection and control of the oil cylinder group.
2. The simulation test platform for the shaft boring machine propelling system according to claim 1, wherein the collection control device (4) comprises a PLC controller, a stroke sensor built in the cylinder group and a pressure sensor assembled on a cylinder barrel of the cylinder group, and the PLC controller is connected with the stroke sensor and the pressure sensor.
3. A simulation test platform for a shaft boring machine propulsion system according to claim 2, characterised in that the pressure sensors comprise a first pressure sensor fitted to the rod chamber of the cylinder barrel of the cylinder bank and a second pressure sensor fitted to the rodless chamber of the cylinder barrel of the cylinder bank.
4. The simulation test platform for the shaft boring machine propulsion system according to claim 2, characterized in that the cylinder group comprises a strand lifting cylinder (101) and a propulsion cylinder (102), a piston rod of the strand lifting cylinder (101) being fixedly connected with a strand (9), the strand (9) being fixedly connected with the guiding device (5), and a piston rod of the propulsion cylinder (102) being fixedly connected with the guiding device (5).
5. A simulation test platform for a shaft boring machine propulsion system according to claim 4, characterised in that the cylinder group comprises a negative-load cylinder (103), the piston rod of the negative-load cylinder (103) being fixedly connected with the guiding device (5).
6. The simulation test platform for the shaft boring machine propulsion system according to claim 5, characterized by comprising a hydraulic pump station (3) and a first control valve group (201), a second control valve group (202) and a third control valve group (203) which are respectively connected with the strand lifting cylinder (101), the propulsion cylinder (102) and the negative load cylinder (103), wherein the hydraulic pump station (3) is connected with the first control valve group (201), the second control valve group (202) and the third control valve group (203).
7. A simulation test platform for a shaft boring machine propulsion system according to claim 6, characterised in that the PLC controller is connected to the hydraulic pumping station (3), the first control valve pack (201), the second control valve pack (202) and the third control valve pack (203).
8. A simulation test platform for a shaft boring machine propulsion system according to any of claims 1 to 7, characterised in that the chassis comprises a fixed mount (6) and a reaction frame (8), the cylinder barrels of the cylinder groups being fixedly mounted to the reaction frame (8), the guide means (5) being slidably mounted to the reaction frame (8).
9. A simulation test platform for a shaft boring machine propulsion system according to claim 8, characterised in that the mounting bracket (6) is provided with a pair of runners (7), and both sides of the guide means (5) are slidably fitted to the pair of runners (7), respectively.
10. A simulation test platform for a shaft boring machine propulsion system according to any one of claims 1 to 7, characterised in that the cylinder groups and the guide means (5) are arranged in a horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011422390.3A CN112557079A (en) | 2020-12-08 | 2020-12-08 | Simulation test platform for vertical shaft heading machine propulsion system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011422390.3A CN112557079A (en) | 2020-12-08 | 2020-12-08 | Simulation test platform for vertical shaft heading machine propulsion system |
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| CN112557079A true CN112557079A (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011422390.3A Pending CN112557079A (en) | 2020-12-08 | 2020-12-08 | Simulation test platform for vertical shaft heading machine propulsion system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115342091A (en) * | 2021-05-12 | 2022-11-15 | 哈威油液压技术(无锡)有限公司 | Hydraulic control system |
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| CN101788406A (en) * | 2010-03-31 | 2010-07-28 | 上海交通大学 | Device for testing force transmission characteristics of tunnellers |
| CN103135512A (en) * | 2011-12-02 | 2013-06-05 | 中铁隧道集团有限公司 | Shield electro-hydraulic control system comprehensive test platform |
| CN104405699A (en) * | 2014-11-13 | 2015-03-11 | 浙江大学 | Thrust-load-simulation hydraulic system of tunnel boring machine |
| CN109030224A (en) * | 2018-06-01 | 2018-12-18 | 山东科技大学 | A kind of system and method that simulation tunnel promotes off-load |
| CN110761794A (en) * | 2019-12-26 | 2020-02-07 | 中国铁建重工集团股份有限公司 | Shaft heading machine and propulsion system thereof |
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2020
- 2020-12-08 CN CN202011422390.3A patent/CN112557079A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788406A (en) * | 2010-03-31 | 2010-07-28 | 上海交通大学 | Device for testing force transmission characteristics of tunnellers |
| CN103135512A (en) * | 2011-12-02 | 2013-06-05 | 中铁隧道集团有限公司 | Shield electro-hydraulic control system comprehensive test platform |
| CN104405699A (en) * | 2014-11-13 | 2015-03-11 | 浙江大学 | Thrust-load-simulation hydraulic system of tunnel boring machine |
| CN109030224A (en) * | 2018-06-01 | 2018-12-18 | 山东科技大学 | A kind of system and method that simulation tunnel promotes off-load |
| CN110761794A (en) * | 2019-12-26 | 2020-02-07 | 中国铁建重工集团股份有限公司 | Shaft heading machine and propulsion system thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115342091A (en) * | 2021-05-12 | 2022-11-15 | 哈威油液压技术(无锡)有限公司 | Hydraulic control system |
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Application publication date: 20210326 |