CN219731932U - Reservoir water level observation platform comprehensively utilizing diversion tunnel - Google Patents
Reservoir water level observation platform comprehensively utilizing diversion tunnel Download PDFInfo
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- CN219731932U CN219731932U CN202320656166.3U CN202320656166U CN219731932U CN 219731932 U CN219731932 U CN 219731932U CN 202320656166 U CN202320656166 U CN 202320656166U CN 219731932 U CN219731932 U CN 219731932U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 163
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- 239000010959 steel Substances 0.000 claims description 4
- 238000012795 verification Methods 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 2
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- 238000004519 manufacturing process Methods 0.000 abstract description 2
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- 238000000034 method Methods 0.000 description 2
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- 230000035939 shock Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
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- 238000007726 management method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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Abstract
The utility model discloses a reservoir water level observation platform structure comprehensively utilizing diversion tunnels, which comprises a water body communicating vessel and a water level measurement structure; the water body communicating vessel comprises a plugging gate, a permanent plugging body, an upstream cavity and a water inlet device of the diversion tunnel; the water level measuring structure comprises a borehole logging, a float-type water level gauge, a comprehensive service device and a water level observation building. The utility model uses the upstream cavity after the diversion tunnel is permanently blocked as a communicating vessel between the reservoir and the borehole logging, solves the problems of high manufacturing cost, long construction period, easy siltation of the borehole type water level observation platform and poor communicating effect of the shore tower type water level observation platform, can obviously shorten the construction period and save investment, and has better practicability and economy. The utility model is convenient for rechecking and maintenance, and ensures the stability and effectiveness of reservoir water level monitoring.
Description
Technical Field
The utility model relates to a reservoir water level observation platform structure technology, in particular to a reservoir water level automatic observation platform which is particularly suitable for mountain reservoirs, and particularly relates to a reservoir water level automatic observation platform which comprehensively utilizes diversion tunnels, wherein an upstream cavity between a plugging gate and a permanent plugging body is used as a communicating vessel for communicating reservoir water, and the top of the cavity is connected with a drilling water level logging for measurement. According to the principle of the communicating vessel, the well logging water level and the reservoir water level are kept at the same height all the time, and the real-time reservoir water level is obtained by measuring the water level in the borehole well logging.
Background
The reservoir water level observation platform is an important hydrologic infrastructure in hydraulic engineering, and provides accurate and real-time reservoir water level data for works such as engineering flood prevention, operation, water resource allocation and management and the like. The site selection of the reservoir water level observation platform needs to be adapted to the conditions of topography, water potential, hydraulic conditions, reservoir bank evolution, hydrological characteristics and the like, and an ideal natural position is difficult to find. Therefore, a reservoir water level observation platform usually adopts a shore tower structure, a tower water level logging is built at a position with a certain distance from the shore, and the water level logging is connected with the reservoir via a trestle. The structure can technically ensure the accuracy of the measurement result, but has obvious defects in construction, shock resistance and cost. In large and medium-sized reservoirs with larger water level fluctuation range, the building height of tower logging can exceed 50m, not only strict anti-seismic measures are required, but also high slope support and the like can be generated. The construction of the reservoir water level observation platform also needs large-scale hoisting equipment, has large investment and long construction period, and even can influence the time of reservoir sluice and water storage. In order to solve the problems, in some small reservoir projects in recent years, water level observation facilities consisting of small-diameter drilling logging and horizontal diversion tunnels are adopted, the logging diameter is generally not more than 25cm, and faults such as wall contact, jamming and the like of measuring equipment are easy to occur; the diameter of the bottom horizontal diversion tunnel is not more than 20cm and is directly connected with a reservoir, so that sedimentation is easy to occur, the method can only be applied to projects with small water level change amplitude and low measurement accuracy requirements, and the method is not suitable for large and medium-sized reservoir projects.
For large and medium-sized reservoir engineering, in order to guarantee the effectiveness of communication structure, it is uneconomical to excavate longer horizontal drainage hole specially, can consider reforming transform the cavity that the diversion hole was permanently sealed up body upper reaches and replace horizontal drainage hole, and structural structure is simple, the silt prevention effect is showing, measurement stability is good and economical and practical's novel water level observation platform.
Disclosure of Invention
In order to solve the problems of high cost and long construction period of the conventional large and medium-sized water bank tower type water level observation platform, and overcome the defects of low precision, easy siltation and difficult maintenance of a drilling type water level observation platform, the utility model provides a structure for realizing automatic observation of the water level of a reservoir by comprehensively utilizing the water level observation platform of a diversion tunnel, and utilizing an upstream cavity between a plugging gate and a permanent plugging body as a water body communicating vessel to ensure that the drilling logging water level and the water level of the reservoir keep synchronously changed.
The technical scheme adopted by the utility model is as follows:
the reservoir water level observation platform comprehensively utilizing the diversion tunnel comprises a water body communicating vessel and a water level measurement structure; the water body communicating vessel comprises a blocking gate, a permanent blocking body, an upstream cavity and a water inlet device of the diversion tunnel, wherein the blocking gate is positioned at the inlet of the diversion tunnel, the permanent blocking body is positioned at the middle part of the diversion tunnel, the upstream cavity is positioned between the blocking gate and the permanent blocking body, and the blocking gate cuts off water flow, thereby creating conditions for construction of the permanent blocking body; the permanent blocking body is a concrete plug which completely blocks the hole body to prevent the reservoir from leaking; the water inlet device of the diversion tunnel comprises a water inlet pipe and a stainless steel fish blocking net, the water inlet pipe is positioned behind the plugging gate, the stainless steel fish blocking net is arranged at the inlet of the water inlet pipe, and fish is blocked from entering the diversion tunnel; the water level measuring structure comprises a borehole logging, a float-type water level gauge, a comprehensive service device and a water level observation building; the drilling logging is formed by drilling holes with large diameters in a mountain where the diversion tunnel is located until the diversion tunnel is penetrated; the upstream cavity between the blocking gate and the permanent blocking body is a communicating vessel between the reservoir and the borehole logging, and the water level in the borehole logging is kept consistent with the water level of the reservoir.
Further, the float type water level gauge is a measuring instrument for tracking the water level rise and fall in the borehole logging by utilizing the up-and-down floating of a float, and comprises the float, a balance weight, a suspension cable, a water level wheel and an encoder, wherein the suspension cable is respectively connected with the float and the balance weight after bypassing the water level wheel, the balance weight tightens the suspension cable to drive the water level wheel to rotate, and the water level wheel shaft drives the encoder to display the reading through a gear; when the water level rises, the water level wheel rotates clockwise, and the reading of the encoder is increased; when the water level drops, the water level wheel rotates anticlockwise, and the reading of the encoder is reduced; the comprehensive service device comprises a device cabinet body, a digital communication interface, a wind-solar complementary power supply and lightning protection grounding; the equipment cabinet body is a cuboid cabinet made of stainless steel and is arranged in the water level observation building and used for installing the water level wheel and the encoder; the equipment cabinet body is connected with lightning protection ground by adopting a grounding line; the digital communication interface is connected with an encoder of the float-type water level gauge and is used for transmitting water level signals outwards; the encoder is connected with a wind-solar complementary power supply by adopting a power line; the wind-solar complementary power supply is positioned in an outdoor open-air field, is connected with a power input end of the digital communication interface by adopting a power line, generates power by utilizing wind energy and photovoltaic and provides power required by equipment; the lightning protection grounding is connected with the ground, so that the equipment cabinet body is prevented from being struck by lightning.
Further, the bottom plate of the upstream chamber is lower than the lowest water level of the reservoir; the height of the pipe orifice of the water inlet pipe is lower than the lowest water level of the reservoir.
Further, the water inlet pipe adopts a straight pipe, an inclined pipe or a siphon pipe.
Further, the wellhead and the bottom of the borehole logging are connected with the upstream cavity, and the connection part adopts a stainless steel pipe casing lining to prevent collapse, and positioning steel sheets are uniformly arranged on the outer wall of the stainless steel pipe casing to prevent deflection.
Further, the water level measuring structure adopts a borehole logging to install a plurality of float-type water level meters for verification; or adopting a plurality of drilling well logging, and respectively installing a single float type water level gauge for verification.
Furthermore, a plurality of float-type water level timers are installed in the borehole logging, and stainless steel partition plates are used for separating and dividing areas so as to prevent mutual interference.
Further, if the borehole logging cannot be directly communicated with the upstream cavity, the short branch hole is additionally arranged to be communicated with the borehole logging.
The beneficial effects of the utility model are as follows:
1. the structure can comprehensively utilize temporary engineering, avoid constructing high-rise shore towers and trestle bridges, and solve the problems of high manufacturing cost, long construction period and poor shock resistance of a shore tower type water level observation platform by using an upstream cavity between the blocking gate and the permanent blocking body as a communicating vessel between the reservoir and the borehole logging; and the construction period is obviously shortened, the investment is saved, and the practicability and the economy are better.
2. The problems that a drilling type water level observation platform is easy to pool and poor in communication effect can be effectively solved by using the plugging gate and the water inlet device, and maintenance requirements are reduced.
3. The vertical deviation can be effectively controlled by the borehole logging, better installation and observation conditions are provided for the float-type water level gauge, faults such as wall contact and blocking are avoided, and even a plurality of devices can be installed in one borehole logging, so that rechecking and maintenance are facilitated, and stability and effectiveness of reservoir water level monitoring are guaranteed.
Drawings
FIG. 1 is a plan view of the structural arrangement of a water level observation platform of the present utility model;
FIG. 2 is a schematic diagram of a water body connector of a water level observation platform according to the present utility model;
FIG. 3 is a schematic diagram of a water level measuring structure of a water level observation platform according to the present utility model;
fig. 4 is a schematic diagram of a device cabinet structure of the integrated service device of the present utility model;
FIG. 5 is a schematic diagram of a single-equipment borehole logging configuration of the present utility model;
FIG. 6 is a schematic diagram of a multi-equipment borehole logging configuration of the present utility model;
fig. 7 is a schematic diagram of a short-branch hole connection structure according to the present utility model.
In the figure: 1-plugging a gate; 2-permanent occlusion; 3-an upstream cavern; 4-a water inlet device of the diversion tunnel; 5-a water inlet pipe; 6-stainless steel fish blocking net; 7-water level observation building; 8-drilling logging; 9-protecting a stainless steel tube; 10-an integrated service device; 11-wind-light complementary power supply; 12-lightning protection grounding; 13-float type water level gauge; 14-a counterweight; 15-float; 16-suspension cable; 17-an equipment cabinet; 18-a water level wheel; a 19-encoder; a 20-digital communication interface; 21-a power line; 22-ground lines; 23-positioning a steel sheet; 24-stainless steel separator; 25-short branch hole.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
As shown in fig. 1 and 2, the reservoir water level observation platform comprehensively utilizing diversion tunnels comprises a water body communicating vessel and a water level measurement structure; the water body communicating vessel comprises a plugging gate 1, a permanent plugging body 2, an upstream cavity 3 and a water inlet device 4 of the diversion tunnel; the sealing gate 1 is positioned at the inlet of the diversion tunnel, the permanent sealing body 2 is positioned at the middle part of the diversion tunnel, the upstream chamber 3 is positioned between the sealing gate 1 and the permanent sealing body 2, the sealing gate 1 cuts off water flow, conditions are created for the construction of the permanent sealing body 2, and the permanent sealing body 2 is a concrete plug which completely seals the chamber to prevent the reservoir from leaking; the bottom plate height of the upstream chamber 3 is lower than the lowest water level of the reservoir; the water inlet device 4 of the diversion tunnel comprises a water inlet pipe 5 and a stainless steel fish blocking net 6, wherein the water inlet pipe 5 is positioned behind the plugging gate 1, the stainless steel fish blocking net 6 is arranged at the inlet of the water inlet pipe 5, and fish is blocked from entering the diversion tunnel; the height of the pipe orifice of the water inlet pipe 5 is lower than the lowest water level of the reservoir.
As shown in fig. 3, the water level measuring structure includes a borehole log 8, a float-type water level gauge 13, an integrated service device 10, and a water level observation building 7. The water level observation building 7 is communicated with the upstream chamber 3 up and down through the borehole logging 8. The float gauge 13 includes a counterweight 14, a float 15, a suspension cable 16, a level wheel 18 and an encoder 19. The suspension cable 16 is connected with the floater 15 and the balance weight 14 after bypassing the water level wheel 18, the balance weight 14 tightens the suspension cable 16 to drive the water level wheel 18 to rotate, and the water level wheel 18 shaft displays the reading through the gear driving encoder 19. When the water level rises, the water level wheel 18 rotates clockwise, and the reading of the encoder 19 increases; as the water level drops, the water wheel 18 rotates counter-clockwise and the encoder 19 readings decrease.
As shown in fig. 4, the integrated service device 10 includes a device cabinet 17, a digital communication interface 20, a wind-solar complementary power supply 11 and a lightning protection ground 12; the equipment cabinet body 17 is a cuboid cabinet made of stainless steel and is arranged in the water level observation building 7; stainless steel pipe casing 9, water level wheel 18, encoder 19 and digital communication interface 20 with display from bottom to top in the equipment cabinet 17; the encoder 19 is connected with the wind-solar complementary power supply 11 by adopting a power line 21; the equipment cabinet 17 is connected with the lightning protection ground 12 by adopting a grounding line 22; the digital communication interface 20 is connected with the encoder 19 and transmits the water level signal outwards; the wind-solar complementary power supply 11 is positioned in an outdoor open-air field, is connected with a power input end of the digital communication interface 20 by adopting a power line 21, and provides power by utilizing wind energy and photovoltaic power generation; the lightning protection ground 12 is connected to the ground, so as to prevent the equipment cabinet 17 from being struck by lightning.
As shown in fig. 5, the intersecting part of the borehole logging 8 and the upstream chamber 3 and the wellhead position need to be provided with a stainless steel pipe casing 9 for local lining protection; the stainless steel pipe casing 9 is evenly provided with positioning steel sheets 23 outside for positioning and maintaining verticality of the stainless steel pipe casing 9 in the borehole log 8.
When two float water level gauges 13 are installed by adopting two well logging, the distance between the two well logging 8 is larger than 3 times of the diameter of the well logging of the borehole hole so as to keep the surrounding rock between the well logging 8 stable; meanwhile, the distance should not exceed 3m, so that hysteresis of two water level measurement value changes is avoided.
As shown in fig. 6, when two float-type water level gauges 13 are required to be installed in one borehole log 8 when the platform field is narrow, the borehole log 8 with the diameter larger than 1.2m can be adopted; in order to prevent the suspension wires 16 of the two float-type water level gauges 13 from being wound, stainless steel spacers 24 are required to be provided at regular intervals in the stainless steel pipe casing 9.
The water level observation building 7 can be used as a building for accommodating the equipment cabinet 17 and can be adjusted according to the scene landscape requirement, and the types of observation rooms, landscape buildings, underground observation wells and the like can be adopted.
The water inlet pipe 5 of the water inlet device 4 of the diversion tunnel can be a straight pipe, an inclined pipe or a siphon pipe, and the pipe orifice is required to be provided with a stainless steel fish-preventing net.
As shown in fig. 7, when the borehole log 8 cannot directly communicate with the upstream chamber 3, a short branch 25 may be added to the upstream chamber 3 to communicate with the borehole log 8.
The above embodiments are described in connection with the accompanying drawings, but are not to be construed as limiting the scope of the utility model, and it should be noted that it is possible for those skilled in the art to obtain technical solutions by equivalent substitution or equivalent transformation without departing from the concept of the utility model, which fall within the scope of protection of the utility model.
Claims (8)
1. Comprehensive utilization diversion tunnel's reservoir water level observation platform, its characterized in that: comprises a water body communicating vessel and a water level measuring structure; the water body communicating vessel comprises a blocking gate, a permanent blocking body, an upstream cavity and a water inlet device of the diversion tunnel, wherein the blocking gate is positioned at the inlet of the diversion tunnel, the permanent blocking body is positioned in the middle of the diversion tunnel, the upstream cavity is positioned between the blocking gate and the permanent blocking body, the water inlet device of the diversion tunnel comprises a water inlet pipe and a stainless steel fish blocking net, the water inlet pipe is positioned behind the blocking gate, and the stainless steel fish blocking net is positioned at the inlet of the water inlet pipe; the water level measuring structure comprises a drilling well logging, a float-type water level gauge, a comprehensive service device and a water level observation building on the ground, wherein the drilling well logging is a well logging formed by adopting a large-diameter drilling hole in a mountain where a diversion tunnel is located until the diversion tunnel is penetrated, and an upstream cavity between a plugging gate and a permanent plugging body is a communicating vessel between a reservoir and the drilling well logging.
2. The reservoir level observation platform for comprehensively utilizing a diversion tunnel according to claim 1, wherein: the float-type water level gauge comprises a float, a balance weight, a suspension cable, a water level wheel and an encoder, wherein the suspension cable is respectively connected with the float and the balance weight after bypassing the water level wheel, the balance weight tightens the suspension cable to drive the water level wheel to rotate, and the water level wheel shaft drives the encoder to display readings through a gear; when the water level rises, the water level wheel rotates clockwise, and the reading of the encoder is increased; when the water level drops, the water level wheel rotates anticlockwise, and the reading of the encoder is reduced; the comprehensive service device comprises a device cabinet body, a digital communication interface, a wind-solar complementary power supply and lightning protection grounding; the equipment cabinet body is a cuboid cabinet made of stainless steel and is arranged in the water level observation building and used for installing the water level wheel and the encoder; the equipment cabinet body is connected with lightning protection ground by adopting a grounding line; the digital communication interface is connected with an encoder of the float-type water level gauge and is used for transmitting water level signals outwards; the encoder is connected with a wind-solar complementary power supply by adopting a power line; the wind-solar complementary power supply is positioned in an outdoor open-air field, is connected with a power input end of the digital communication interface by adopting a power line, generates power by utilizing wind energy and photovoltaic and provides power required by equipment; the lightning protection ground is connected with the ground.
3. The reservoir level observation platform for comprehensively utilizing a diversion tunnel according to claim 1, wherein: the bottom plate height of the upstream cavity is lower than the lowest water level of the reservoir; the height of the pipe orifice of the water inlet pipe is lower than the lowest water level of the reservoir.
4. A reservoir level observation platform for comprehensive utilization of diversion tunnel according to claim 1 or 3, wherein: the water inlet pipe adopts a straight pipe, an inclined pipe or a siphon pipe.
5. The reservoir level observation platform for comprehensively utilizing a diversion tunnel according to claim 1, wherein: the wellhead and the bottom of the borehole logging are connected with the upstream cavity, and the communicated part is lined and protected by a stainless steel pipe casing to prevent collapse, and positioning steel sheets are uniformly arranged on the outer wall of the stainless steel pipe casing.
6. The reservoir level observation platform for comprehensively utilizing a diversion tunnel according to claim 1, wherein: the water level measuring structure adopts one drilling well logging to install a plurality of float type water level meters for verification; or adopting a plurality of drilling logging units, and respectively installing a single float type water level gauge for verification.
7. The reservoir level observation platform for comprehensively utilizing a diversion tunnel according to claim 6, wherein: and a plurality of float-type water level timers are arranged in the borehole logging, and stainless steel partition plates are used for dividing areas.
8. The reservoir level observation platform for comprehensively utilizing a diversion tunnel according to claim 1, wherein: if the borehole logging cannot be directly communicated with the upstream cavity, the short branch hole is additionally arranged to be communicated with the borehole logging.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320656166.3U CN219731932U (en) | 2023-03-29 | 2023-03-29 | Reservoir water level observation platform comprehensively utilizing diversion tunnel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320656166.3U CN219731932U (en) | 2023-03-29 | 2023-03-29 | Reservoir water level observation platform comprehensively utilizing diversion tunnel |
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| CN219731932U true CN219731932U (en) | 2023-09-22 |
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| CN202320656166.3U Active CN219731932U (en) | 2023-03-29 | 2023-03-29 | Reservoir water level observation platform comprehensively utilizing diversion tunnel |
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