CN116556983A - Electric slag discharging device for pumping energy storage power station inclined shaft TBM excavation and use method - Google Patents
Electric slag discharging device for pumping energy storage power station inclined shaft TBM excavation and use method Download PDFInfo
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- CN116556983A CN116556983A CN202310601641.1A CN202310601641A CN116556983A CN 116556983 A CN116556983 A CN 116556983A CN 202310601641 A CN202310601641 A CN 202310601641A CN 116556983 A CN116556983 A CN 116556983A
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- inclined shaft
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- roller
- electric slag
- slag discharging
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- 239000002893 slag Substances 0.000 title claims abstract description 113
- 238000007599 discharging Methods 0.000 title claims abstract description 73
- 238000009412 basement excavation Methods 0.000 title claims abstract description 26
- 238000005086 pumping Methods 0.000 title claims abstract description 20
- 238000004146 energy storage Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000008093 supporting effect Effects 0.000 claims abstract description 45
- 239000000463 material Substances 0.000 claims abstract description 29
- 238000005096 rolling process Methods 0.000 claims abstract description 11
- 238000010276 construction Methods 0.000 claims description 25
- 238000010079 rubber tapping Methods 0.000 claims description 18
- 238000003860 storage Methods 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 8
- 230000005641 tunneling Effects 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 4
- 239000011798 excavation material Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000013461 design Methods 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- 238000005452 bending Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/02—Driving inclined tunnels or galleries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
An electric slag discharging device for pumping energy storage power station inclined shaft TBM excavation and a use method thereof, wherein the electric slag discharging device comprises an arc-shaped section and a groove, the outer wall of the arc-shaped section is supported on the inner wall of the inclined shaft through a supporting shoe, the inner wall of the arc-shaped section is provided with spaced grooves, and an electric device and rollers are arranged in the grooves; the electric device is used for driving the roller to rotate or/and vibrate, so that materials contacted above and at two sides of the roller move downwards along the inclined shaft; a supporting shoe for supporting the electric slag discharging device on the wall of the long inclined shaft; the electric device is connected with the roller in series through a connecting piece, the electric device drives the roller to operate, and the rolling and vibrating actions of the roller enable the excavated materials to slide down smoothly to slag; the outer side of the groove is connected with the supporting shoe, and the inner side of the groove is used for fixing a connecting piece of the roller and the electric device; by putting the invention into the device, the invention is started to realize electric slag discharge and assist operation under the condition of low gradient of the inclined shaft.
Description
Technical Field
The invention relates to the technical field of inclined shaft excavation of a pumped storage power station, in particular to an electric slag discharging device for TBM excavation of the inclined shaft of the pumped storage power station.
Background
At present, the pumped storage power station is a green low-carbon, economical and reliable energy storage power supply in a novel power system, and is a charger with the largest development condition at present; the construction of the inclined shaft is often the heavy difficult point of the pumped storage power station, and is easy to be a key line for controlling the construction period, the construction efficiency can be improved, the construction risk can be reduced, the construction period of a diversion system can be shortened by adopting TBM to carry out the construction of the inclined shaft of the pumped storage power station, and the hydraulic loss of the diversion system can be reduced by combining the multistage short inclined shafts into a one-stage long inclined shaft to carry out TBM construction, but the slow inclination angle slag tapping of the long inclined shaft becomes a key technical problem;
TBM is an abbreviation for "tunneller" (Tunnel Boring Machine); TBM is a special mechanical device for underground tunnel and pipeline construction; the tunnel with larger diameter can be excavated underground, so that the manpower and time required by traditional blasting or manual excavation are reduced;
TBM is typically composed of a circular cutting head (also known as a shield machine) and a rear located propulsion system; the cutting head has a rotary cutter disc which can cut the rock or soil underground into small pieces and remove broken stone or soil from the tunnel by a conveying system; simultaneously, the whole machine is pushed forward by the propulsion system, so that the cutting head continuously excavates a tunnel;
the use of TBM has many advantages in tunnel engineering, including reducing noise and vibration, improving work efficiency, increasing construction safety, etc.; in the case of pumped storage power station inclined shafts, the TBM may be used to excavate the underground portion of the inclined shaft for installation of the hydro-generator set and associated equipment;
a TBM is adopted to construct a long inclined shaft, when the angle of the inclined shaft is larger than 50 degrees, the excavated material can automatically slide slag, but when the inclination angle is slower, slag accumulation is easy to occur, and the excavated material does not have the condition of automatically sliding slag; therefore, an electric slag discharging device for pumping and storing energy for the TBM excavation of the inclined shaft of the power station is needed to solve the technical problem of the slow inclination slag discharging of the inclined shaft.
Disclosure of Invention
In view of the above, the invention aims to provide an electric slag discharging device for pumping and storing power station inclined shaft TBM excavation and a using method thereof, wherein the guide shaft and TBM are constructed by expanding from top to bottom, and the electric slag discharging device for pumping and storing power station inclined shaft TBM excavation is provided for assisting the slow inclination angle expansion of a long inclined shaft to dig dead weight slag, and the slag is prevented from accumulating by the vibration of an electric roller, so that the smooth slag discharging is ensured.
The present application aims to solve one of the problems in the background art.
The technical scheme adopted by the invention is as follows: in order to achieve the above and other related objects, the present invention provides an electric slag discharging device for pumping and storing energy for excavating a TBM of an inclined shaft of a power station;
the electric slag discharging device comprises an arc-shaped section and a groove, wherein the outer wall of the arc-shaped section is supported on the inner wall of the inclined shaft through a supporting shoe, the inner wall of the arc-shaped section is provided with spaced grooves, and an electric device and rollers are arranged in the grooves;
the electric device is used for driving the roller to rotate or/and vibrate, so that materials contacted above and at two sides of the roller move downwards along the inclined shaft.
A supporting shoe for supporting the electric slag discharging device on the wall of the long inclined shaft;
the electric device is connected with the roller in series through a connecting piece, the electric device drives the roller to operate, and the rolling and vibrating actions of the roller enable the excavated materials to slide down smoothly to slag;
the outer side of the groove is connected with the supporting shoe, and the inner side of the groove is used for fixing the connecting piece of the roller and the electric device.
The application provides a technical scheme still has following technical feature:
preferably, the rotation axis of the roller is perpendicular to the axis of the inclined shaft and is a different-plane straight line.
Preferably, the rotation axis of the roller is perpendicular to the axis of the inclined shaft and is an out-of-plane straight line, and the included angle of the two is 70-90 degrees.
Preferably, the rotation axis of the roller is perpendicular to the axis of the inclined shaft and is an out-of-plane straight line, and the included angle of the two is 90 degrees.
Preferably, the electric device is connected in series with the roller through the connecting piece.
Preferably, the electric slag discharging device is arranged at the lower half circumference of the well wall of the inclined well, and the inclination angle of the inclined well is smaller than 50 degrees.
Preferably, the electric slag tapping devices are arranged at intervals along the inclined shaft from top to bottom.
Preferably, the electric slag discharging device is formed by splicing a plurality of arc sections, so that the radius of the inner working surface and the outer working surface of the electric slag discharging device are matched with the specification change of the inclined shaft.
Preferably, one end of the supporting shoe is embedded in the groove, and the other end of the supporting shoe is supported on the inner wall of the inclined shaft.
Preferably, when the TBM tunneling machine is used for construction, the electric device drives the roller to operate, an automatic function can be realized, and the rolling and vibration of the roller can enable the excavated materials contacted with the roller to move downwards along the inclined shaft.
Preferably, the connecting member is a connecting shaft.
Preferably, the connecting piece is a flexible shaft, and the flexible shaft is used for meeting the driving requirements of different axial directions by utilizing the torsion of the flexible shaft.
The application method of the electric slag discharging device for the pumping energy storage power station inclined shaft TBM excavation comprises the following steps:
first, preparation: the electric slag discharging device and the supporting shoe are in a non-starting state, and the supporting shoe is buried in the groove;
secondly, placing an electric slag discharging device: placing the electric slag discharging devices into the inclined shaft through the traction ropes, and arranging the electric slag discharging devices at intervals;
thirdly, fixing an electric slag discharging device: starting the electric device, opening the supporting shoe, and supporting the supporting shoe in the wall of the inclined shaft through pressure;
fourth, slag is discharged: after the electric device is started, when the excavated material meets the roller, the slag is slipped through the rolling of the roller and the high-frequency vibration assistance.
The invention has the following beneficial effects:
the construction of the primary long inclined shaft TBM is not limited by construction technology, construction support holes and construction road arrangement can be reduced, and the construction period is shortened; the water diversion system arrangement can be optimized, the length of the water diversion system is shortened, and the hydraulic loss is reduced; under the same adjustment and protection condition, the position of the plant can be moved downwards, the length of an auxiliary cavity of the plant is shortened, the length of a exploratory hole is shortened, the geological condition of the position of the plant is clarified in advance, and the construction period is shortened. The guide well and TBM are constructed by expanding from top to bottom, the self weight of the excavated material is utilized to slide slag, the electric slag discharging device is utilized to assist the sliding slag, and the excavated material does not need to pass through TBM heading machine equipment, so that TBM equipment can be optimized, and slag passing devices in the equipment can be reduced; the TBM tunneling machine expands from top to bottom to dig, the self weight of the TBM tunneling machine can increase the tunneling pressure of the TBM tool bit, the excavation efficiency is improved, and the energy consumption is reduced. The invention has simple construction process, simple construction machine, high construction slag discharging efficiency, convenient construction popularization and application, is more environment-friendly and economical compared with the measure of hydraulic auxiliary slag sliding, does not need manual slag removal, and can reduce potential safety hazard.
Drawings
FIG. 1 is a schematic cross-sectional view of an electric slag discharging device excavated by a pumped storage power station inclined shaft TBM;
FIG. 2 is a schematic longitudinal section view of a long inclined shaft of an electric slag discharging device excavated by a pumping energy storage power station inclined shaft TBM;
in the figure:
1. current situation topographic line
2. Water inlet/outlet of upper reservoir
3. Inclined shaft
4. Drainage of a horizontal tunnel
5. Electric slag discharging device
6. Electric device
7. Roller wheel
8. Groove
9. Supporting boots
10. And a connecting piece.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to be limiting.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
Examples
1-2, before introducing an electric slag discharging device excavated by a TBM of an inclined shaft, introducing a water diversion system arrangement of a pumped storage power station; as shown in fig. 1, the water diversion system of the pumped storage power station mainly comprises an upper water diversion flat section, an upper inclined shaft section, a middle flat section, a lower inclined shaft section and a lower flat section, wherein the TBM construction combines the upper water diversion flat section, the upper inclined shaft section, the middle flat section and the lower inclined shaft section into a primary long inclined shaft 3, the upper part of the primary long inclined shaft 3 is an upper water inlet/outlet 2, and the lower part of the primary long inclined shaft 3 is a water diversion lower flat hole 4;
when the TBM is used for constructing a slow-dip angle long inclined shaft, the excavated materials slide slag through dead weight, but the dip angle is slower, so that the slag accumulation condition is easy to occur, and the construction progress is influenced;
the electric slag discharging devices 5 are arranged at the lower half circumference of the wall of the long inclined shaft 3 and are arranged at intervals from top to bottom along the long inclined shaft; the radius of the electric slag discharging device 5 is customized according to the radius of the long inclined shaft, so that the electric slag discharging device is an unchangeable diameter device, and can be further optimized, hinged connection or telescopic and the like are added to realize the diameter-changing adjusting function; the specific structure of the electric slag discharging device 5 is shown in figure 1;
the electric slag discharging device 5 is supported on the wall of the long inclined shaft 3 through a supporting shoe 9, the supporting shoe 9 is embedded in the groove 8 structure, and the electric slag discharging device can be supported on the wall of the long inclined shaft 3 through extending out of the groove 8 in specific implementation;
the electric device 6 and the roller 7 are arranged in the groove 8, the electric device 6 is connected with the roller in series through the connecting piece 10, when the TBM tunneling machine is constructed, the electric device 6 drives the roller 7 to operate, the automatic function can be realized, when the roller 7 encounters an excavated material, the rolling and large-frequency vibration function is exerted, the excavated material slides away quickly, and when no excavated material obstacle exists, the roller 7 stops operating; the electric device 6 and the roller 7 are connected with the groove 8 through a connecting piece 10.
Specifically, as shown in fig. 1-2, an electric slag discharging device for pumping and storing power station inclined shaft TBM excavation is provided, wherein the electric slag discharging device 5 comprises an arc section and a groove 8, the outer wall of the arc section is supported on the inner wall of the inclined shaft through a supporting shoe 9, the inner wall of the arc section is provided with spaced grooves 8, and an electric device 6 and a roller 7 are arranged in the grooves 8;
the electric device 6 is used for driving the roller 7 to rotate or/and vibrate, so that materials contacted above and at two sides of the roller 7 move downwards along the inclined shaft;
the application has the following characteristics:
arc section and recess: the electric slag discharging device comprises an arc section and a groove, the outer wall of the arc section is supported on the inner wall of the inclined shaft through a supporting shoe, and the inner wall is provided with spaced grooves; the structural design can adapt to the shape change of the inclined shaft, provide supporting and guiding functions and ensure the stability and reliability of the device;
electric device and gyro wheel: an electric device and a roller are arranged in the groove; the electric device is used for driving the roller to rotate or vibrate, so that materials contacted above and at two sides of the roller move downwards along the inclined shaft; the rotation axis of the roller is perpendicular to the axis of the inclined shaft and is a different-plane straight line, and the descending speed and direction of the material can be controlled by adjusting the rotation angle of the roller;
arrangement and combination: the electric slag discharging devices are arranged at the lower half circumference of the well wall of the inclined shaft and are arranged at intervals along the inclined shaft from top to bottom; the device is formed by splicing a plurality of arc sections, so that the radius of the inner working surface and the outer working surface of the device are matched with the specification change of an inclined shaft; the arrangement and the combination mode can adapt to inclined shafts with different sizes and shapes, and the applicability and the working efficiency of the device are improved;
thus, there are advantages in that:
the automatic function: when the TBM tunneling machine is constructed, the electric device drives the roller to work, so that an automatic function is realized; the rolling and vibrating of the rollers enable the excavated materials contacted by the rollers to move downwards along the inclined shaft, so that the waste materials do not need to be manually cleaned, and the efficiency and the safety of the excavation process are improved;
the adaptability is strong: the electric slag discharging device is flexible in structural design and arrangement mode, so that the electric slag discharging device can adapt to inclined shafts with different shapes and sizes; the radius of the inner working surface and the outer working surface of the device can be matched with the specification change of the inclined shaft, so that the tight fit of the device and the inclined shaft is ensured, and the risks of waste accumulation and blockage are reduced;
stable and reliable: the arc-shaped section is supported on the inner wall of the inclined shaft through the supporting shoe, so that stable supporting and guiding effects are provided; the structural design can reduce shaking and shaking of the device in the working process, and the stability and reliability of the device are improved;
flexible adjustment: the rotation angle of the roller can be adjusted, so that the descending speed and the descending direction of the materials are controlled; the flexibility enables operators to adjust the device according to actual needs so as to adapt to different types of waste materials and broken stones, and the adaptability and the treatment effect of the device are improved.
Specifically, the rotation axis of the roller 7 is perpendicular to the axis of the inclined shaft and is a different-plane straight line, namely the rotation axis of the roller and the axis of the inclined shaft are not on the same plane, and the rotation axis of the roller and the axis of the inclined shaft are two intersecting but non-coincident straight lines; this means that there is a vertical relationship between the rotational axis of the roller and the axis of the inclined shaft, forming a vertical intersection therebetween; this design allows the rollers to contact and move in a vertical fashion with the material in the inclined shaft.
Specifically, the rotation axis of the roller 7 is perpendicular to the axis of the inclined shaft and is an abnormal plane straight line, and the included angle of the two is 70-90 degrees, including 90 degrees; the included angle between the rotation axis of the roller and the axis of the inclined shaft can be 70-90 degrees or exactly 90 degrees; this setting may be adjusted according to specific needs; the falling speed and direction of the materials can be controlled by changing the included angle between the roller and the axis of the inclined shaft.
Specifically, the electric device 6 is connected in series with the roller 7 through the connecting piece 10; the electric device 6 is connected with the roller 7 through a connecting piece 10 and transmits electric power to the roller to drive the roller to rotate or vibrate; the connection may be a connection shaft or a flexible shaft, the specific choice depending on the application requirements and design requirements.
Specifically, the electric slag discharging device 5 is arranged at the lower half circumference of the wall of the inclined shaft 3, and the inclination angle of the inclined shaft 3 is smaller than 50 degrees; the electric slag tapping device 5 is arranged at the lower half-cycle position of the inclined shaft 3 to treat the waste and broken stone tunneled from the upper part; meanwhile, the inclination angle of the inclined shaft is limited to be less than 50 degrees so as to ensure the stability and the working efficiency of the device.
Specifically, the electric slag discharging devices 5 are arranged at intervals along the inclined shaft 3 from top to bottom; in order to effectively treat the waste material generated during the excavation, the electric slag discharging devices 5 are arranged at intervals from the upper portion to the lower portion of the inclined shaft 3; this arrangement ensures that the waste is properly disposed and removed during the descent.
Specifically, the electric slag discharging device 5 is formed by splicing a plurality of arc sections, so that the radius of the inner working surface and the outer working surface of the electric slag discharging device 5 are matched with the specification change of the inclined shaft 3; the electric slag discharging device 5 is composed of a plurality of arc-shaped sections so as to adapt to the specification change of the inclined shaft 3. The radiuses of the inner and outer working surfaces of the arc sections can be matched with the specification change of the inclined shaft, so that the device is well matched with the inclined shaft.
Specifically, one end of the supporting shoe 9 is embedded in the groove 8, and the other end of the supporting shoe 9 is supported on the inner wall of the inclined shaft 3; the structural design can enhance the stability and the supporting force of the electric slag discharging device and ensure that the device keeps a fixed position in the operation process.
Specifically, when TBM entry driving machine is under construction, electric device 6 drives the operation of gyro wheel 7, can realize automated function, and the excavation material of gyro wheel 7 contact is followed inclined shaft 3 downstream to the roll and the vibration messenger gyro wheel 7, and automated function has improved the efficiency of construction, has reduced manual operation's demand, prevents putty.
Specifically, the connector 10 is a connecting shaft.
Specifically, the connecting piece 10 is a flexible shaft, and the structure has the following characteristics:
bending properties: the flexible shaft can work in a curved or curved transmission path; it can adapt to nonlinear or curved layout, so that the transmission works in complex geometric environment;
elasticity and flexibility: the flexible shaft is typically made of a soft material, such as an elastic material, rubber or plastic; the flexible shaft has certain elasticity and flexibility, can absorb vibration, impact and torsion force in the transmission process, and provides certain damping and buffering effects;
torsion capability: the flexible shaft can bear a certain degree of torsion force, so that the flexible shaft can transmit torque or rotary power; it generally has a certain torsional stiffness, which can transmit torque and rotational movement during transmission;
lightweight and flexibility: compared with a rigid transmission shaft, the flexible shaft is lighter and more flexible, and is convenient to install and adjust; the bending and adjustment can be carried out according to the requirement of a transmission path, and the bending and adjustment device is suitable for different layouts and space constraints;
shock absorption and noise reduction: due to the softness and elasticity of the flexible shaft, vibration and noise in a transmission system can be reduced; the vibration and impact force from the transmission part can be absorbed and dispersed, and noise and vibration in the transmission process are reduced;
in the structure of the embodiment, the applied flexible shaft has the characteristics of excellent bending performance, elasticity and flexibility, torsion capability, light weight and flexibility, and vibration absorption and noise reduction in nonlinear transmission.
The application method of the electric slag discharging device for the pumping energy storage power station inclined shaft TBM excavation comprises the following steps:
first, preparation: the electric slag tapping device 5 and the supporting shoes 9 are in a non-starting state, and the supporting shoes 9 are embedded in the grooves 8 so as to provide supporting effect in the subsequent steps;
secondly, placing the slag into an electric slag discharging device 5: the electric slag discharging device 5 is put into the inclined shaft 3 through a traction rope and is arranged at intervals; this means that the device will be properly positioned at different locations in the inclined shaft to achieve a tapping effect that compensates for the non-uniformity of the tapping;
thirdly, fixing an electric slag discharging device 5: starting the electric device 6, opening the supporting shoes 9, and supporting the electric device in the wall of the inclined shaft 3 by pressure; the purpose of this step is to ensure the stability and fixability of the electric tapping device, enabling it to maintain the correct position and attitude during operation;
fourth, slag is discharged: after the electric device 6 is started, when the excavated material meets the roller 7, the slag is slipped through the rolling of the roller 7 and the high-frequency vibration assistance; the aim of the step is to push and guide the excavated material to move downwards along the inclined shaft through the movement and vibration of the roller, so as to realize the slag discharging effect.
In general, the invention has the following features: the electric slag discharging device 5 comprises supporting shoes 9, the supporting shoes 9 are embedded in the groove 8 structure, an electric device 6 and a roller 7 are arranged in the groove 8, the electric device 6 is connected with the roller 7 in series through a connecting piece 10, and the connecting piece 10 is fixedly connected with the groove 8, so that the electric slag discharging device 5 is integrated;
the electric slag discharging device 5 is arranged at the lower half circumference of the wall of the slow-dip angle long inclined shaft 3 and is arranged at intervals from top to bottom along the long inclined shaft 3; the radius of the electric slag discharging device 5 is customized according to the radius of the long inclined shaft 3, so that the electric slag discharging device is an unchangeable diameter device, can be further optimized later, and can realize the diameter-changing adjusting function by adding hinged connection or telescopic connection and the like;
the electric slag discharging device 5 is supported on the wall of the long inclined shaft 3 through a supporting shoe 9, the supporting shoe 9 is embedded in the groove 8 structure, and the electric slag discharging device can be supported on the wall of the long inclined shaft 3 through extending out of the groove 8 in specific implementation;
when the TBM tunneling machine is constructed, the electric device 6 drives the roller 7 to operate, so that an automatic function can be realized, when the roller 7 encounters an excavated material, the roller 7 plays roles of rolling and high-frequency vibration, so that the excavated material slides away quickly, and when no excavated material obstacle exists, the roller 7 stops operating;
the application method of the electric slag discharging device for the pumping energy storage power station inclined shaft TBM excavation comprises the following steps:
first, preparation: the electric slag discharging device 5 and the supporting shoe 9 are in a non-starting state, and the supporting shoe 9 is embedded in the groove 8;
secondly, placing the slag into an electric slag discharging device 5: the electric slag discharging device 5 is put into the inclined shaft 3 through a traction rope and is arranged at intervals;
thirdly, fixing an electric slag discharging device 5: starting the electric device 6, opening the supporting shoes 9, and supporting the electric device in the wall of the inclined shaft 3 by pressure;
fourth, slag is discharged: when the electric device 6 is started and the material is excavated and meets the roller 7, the slag is slipped through the rolling and high-frequency vibration assistance of the roller 7.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (10)
1. The electric slag discharging device for the TBM excavation of the inclined shaft of the pumped storage power station is characterized in that the electric slag discharging device (5) comprises an arc-shaped section and a groove (8), the outer wall of the arc-shaped section is supported on the inner wall of the inclined shaft through a supporting shoe (9), the inner wall of the arc-shaped section is provided with spaced grooves (8), and an electric device (6) and rollers (7) are arranged in the grooves (8);
the electric device (6) is used for driving the roller (7) to rotate or/and vibrate, so that materials contacted above and at two sides of the roller (7) move downwards along the inclined shaft.
2. An electric slag tapping device for pumping energy storage power station inclined shaft TBM excavation as in claim 1, characterized in that the rotation axis of the roller (7) is perpendicular to the inclined shaft axis and is a different plane straight line, and the included angle between the two is 70-90 degrees.
3. An electric slag tapping device for pumping energy storage power station inclined shaft TBM excavation as in claim 1, characterized in that the rotation axis of the roller (7) is perpendicular to the inclined shaft axis and is a different plane straight line, and the included angle between the two is 90 degrees.
4. An electric slag tapping device for pumping energy storage power station inclined shaft TBM excavation according to claim 1, characterized in that the electric device (6) is connected in series with the roller (7) through the connecting piece (10), the connecting piece (10) is a flexible shaft.
5. An electric slag tapping device for pumping and storing power station inclined shaft TBM excavation according to claim 1, characterized in that the electric slag tapping device (5) is arranged at the lower half-circle of the wall of the inclined shaft (3), the inclination angle of the inclined shaft (3) is less than 50 °.
6. An electric slag tapping device for pumping and storing power station inclined shaft TBM excavation according to claim 1, characterized in that the electric slag tapping device (5) is arranged at intervals from top to bottom along the inclined shaft (3).
7. An electric slag tapping device for pumping energy storage power station inclined shaft TBM excavation according to claim 1, characterized in that the electric slag tapping device (5) is composed of a plurality of arc segments spliced together, so that the radius of the inner and outer working surfaces of the electric slag tapping device (5) is matched with the specification change of the inclined shaft (3).
8. An electric slag tapping device for pumping energy storage power station inclined shaft TBM excavation according to claim 1, characterized in that one end of the supporting shoe (9) is embedded in the groove (8), and the other end of the supporting shoe (9) is supported on the inner wall of the inclined shaft (3).
9. An electric slag discharging device for TBM excavation of a inclined shaft of a pumped storage power station as claimed in claim 1, wherein the electric device (6) drives the roller (7) to operate during construction of a TBM tunneling machine, an automatic function can be realized, and the rolling and vibration of the roller (7) enables excavation materials contacted with the roller (7) to move downwards along the inclined shaft (3).
10. The application method of the electric slag discharging device for the pumping energy storage power station inclined shaft TBM excavation is characterized by comprising the following steps of: the method comprises the following steps:
first, preparation: the electric slag discharging device (5) and the supporting shoes (9) are in a non-starting state, and the supporting shoes (9) are embedded in the grooves (8);
secondly, placing an electric slag discharging device (5): the electric slag discharging device (5) is placed into the inclined shaft (3) through a traction rope and is arranged at intervals;
thirdly, fixing an electric slag discharging device (5): the electric device (6) is started, the supporting shoe (9) is opened, and the electric device is supported in the wall of the inclined shaft (3) through pressure;
fourth, slag is discharged: after the electric device (6) is started, when the excavated material meets the roller (7), slag is slipped through the rolling of the roller (7) and the assistance of high-frequency vibration.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310601641.1A CN116556983B (en) | 2023-05-25 | 2023-05-25 | Electric slag discharging device for pumping energy storage power station inclined shaft TBM excavation and use method |
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|---|---|---|---|
| CN202310601641.1A CN116556983B (en) | 2023-05-25 | 2023-05-25 | Electric slag discharging device for pumping energy storage power station inclined shaft TBM excavation and use method |
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| CN116556983B CN116556983B (en) | 2024-02-06 |
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| CN116556983B (en) | 2024-02-06 |
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