CN112431284A

CN112431284A - Water conservancy construction land used pipe laying protector

Info

Publication number: CN112431284A
Application number: CN202011328069.9A
Authority: CN
Inventors: 王志伟; 胡玉梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-03-02

Abstract

The invention discloses a buried pipe protection device for water conservancy construction, which comprises a buried pipe protection mechanism and a water leakage monitoring mechanism, wherein the buried pipe protection mechanism is arranged on the periphery of the joint of two adjacent buried pipes and is used for preventing the joint of the two adjacent buried pipes from being broken; the water leakage monitoring mechanism is matched with the buried pipe protection mechanism and is used for monitoring whether water leakage occurs at the joint of two adjacent buried pipes in real time and giving an alarm when the water leakage occurs at the joint of the two adjacent buried pipes. The invention can effectively prevent the pipeline from leaking water due to the fracture phenomenon at the joint of two adjacent buried pipes, thereby ensuring the water conservancy construction quality, has the function of monitoring the water leakage, and alarms when the water leakage at the joint of two adjacent buried pipes is monitored, so that daily maintenance personnel can be informed to timely process the water leakage condition, and the normal and stable operation of the water conservancy facility can be ensured.

Description

Water conservancy construction land used pipe laying protector

Technical Field

The invention relates to the technical field of water conservancy construction, in particular to a buried pipe protection device for water conservancy construction.

Background

Hydraulic engineering is an engineering built for controlling and allocating surface water and underground water in nature to achieve the purposes of removing harmful substances and benefiting. Also known as water engineering. Water is a valuable resource essential for human production and life, but its naturally occurring state does not completely meet the needs of human beings. Only when hydraulic engineering is built, water flow can be controlled, flood disasters are prevented, and water quantity is adjusted and distributed to meet the requirements of people on water resources in life and production. Hydraulic engineering needs to build various types of hydraulic buildings such as dams, dikes, spillways, water gates, water inlets, channels, transition troughs, rafts, fishways and the like so as to achieve the aims.

Buried pipe can often be used in hydraulic construction engineering, because buried pipe buries underground for a long time, can lead to two adjacent buried pipe junctions to receive external force influence and can lead to the phenomenon of rupture and then lead to the pipeline to leak in long-term use in-process because of geological change, consequently generally can install protector additional at two adjacent buried pipe junctions, but buried pipe protector among the prior art, be difficult to effectively prevent to lead to the pipeline to leak because of two adjacent buried pipe junctions break phenomenon, be difficult to guarantee water conservancy construction quality, do not possess the function that the monitoring leaked simultaneously, even also be difficult to in time discover when the junction of two buried pipes leaks, be unfavorable for daily maintenance personnel in time to handle the condition of leaking, be difficult to guarantee that water conservancy facility can normal steady operation.

Therefore, the underground pipe protection device for the water conservancy construction is provided.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a buried pipe protection device for water conservancy construction, which can effectively prevent the pipeline from leaking water due to the fracture phenomenon at the joint of two adjacent buried pipes, thereby ensuring the water conservancy construction quality, has the function of monitoring the water leakage, and gives an alarm when the water leakage at the joint of two adjacent buried pipes is monitored, so that a daily maintainer is informed to timely process the water leakage condition, the normal operation of a water conservancy facility is ensured, and the problems in the background art are solved.

In order to achieve the purpose, the invention provides the following technical scheme:

a protection device for a buried pipe for water conservancy construction comprises:

the buried pipe protection mechanisms are arranged on the peripheries of the joints of two adjacent buried pipes and are used for preventing the joints of the two adjacent buried pipes from being broken;

the water leakage monitoring mechanism is matched with the buried pipe protection mechanism and used for monitoring whether water leakage occurs at the joint of two adjacent buried pipes in real time and giving an alarm when the water leakage occurs at the joint of the two adjacent buried pipes.

Further, buried pipe protection machanism includes semi-cylindrical drain pan and semi-cylindrical epitheca, the equal integrated into one piece in both ends of semi-cylindrical drain pan has first connecting plate, the middle part of first connecting plate is for the orientation the arc sunk structure that the extrados of semi-cylindrical drain pan extends, the equal integrated into one piece in both ends of semi-cylindrical epitheca has the second connecting plate, the middle part of second connecting plate is for the orientation the arc sunk structure that the extrados of semi-cylindrical epitheca extends is located same one side the second connecting plate with first connecting plate passes through bolt fixed connection.

Furthermore, the semi-cylindrical bottom shell and the first connecting plate face towards a first rubber sealing layer is jointly arranged on one side face of the semi-cylindrical upper shell, the semi-cylindrical upper shell and the second connecting plate face towards a second rubber sealing layer is jointly arranged on one side face of the semi-cylindrical bottom shell, and when the bolt is pre-tightened, the second rubber sealing layer is attached to the first rubber sealing layer.

Further, the first rubber sealing layer is located on the surface the inboard fixed mounting of arc sunk structure has first semicircle annular rubber strip, the second rubber sealing layer is located on the surface the inboard fixed mounting of arc sunk structure has second semicircle annular rubber strip, second semicircle annular rubber strip with first semicircle annular rubber strip cooperatees and sets up.

Further, the structure of the semi-cylindrical upper shell is the same as that of the semi-cylindrical bottom shell, the structure of the second connecting plate is the same as that of the first connecting plate, and the inner diameter of the semi-cylindrical upper shell is larger than that of the arc-shaped recessed structure.

Further, the nut is welded on the outer arc surface of the semi-cylindrical upper shell and the semi-cylindrical bottom shell, the arc-shaped pressing plate is movably mounted on the inner arc surface of the semi-cylindrical upper shell and the inner arc surface of the semi-cylindrical bottom shell, the adjusting bolt is screwed in the nut, and a screw rod of the adjusting bolt is connected with the outer arc surface of the arc-shaped pressing plate through a bearing.

Further, the monitoring mechanism that leaks includes box body, controller, the sensor that leaks, communication module and apron, a side of box body is open structure, controller fixed mounting is in the inside of box body, the sensor fixed mounting that leaks in on the intrados of semicircle cylindric drain pan, just the signal output part of the sensor that leaks pass through the signal line with the signal input part electric connection of controller, communication module fixed mounting be in the inside of box body, just communication module's automatically controlled end pass through the control line with the control output part electric connection of controller, the apron passes through screw fixed mounting be in on a side of box body for open structure.

Further, still there is a status indicator lamp through bracing piece fixed mounting on the lateral wall of box body, just still inlay on the lateral wall of box body and be equipped with the display screen, the automatically controlled end of status indicator lamp with the automatically controlled end of display screen all through the control line with the control output electric connection of controller.

Further, still fixed mounting has solar cell panel at the top of box body, just the inside fixed mounting of box body has the battery, the battery pass through the charging wire with solar cell panel electric connection, just the battery still through the wire with controller electric connection.

Further, still fixed mounting has the stand of vertical setting in the bottom of box body, the bottom fixedly connected with base of stand, still fixed mounting has the installation ear on the inner wall of box body, set up on the installation ear with screw assorted screw hole.

In summary, the invention mainly has the following beneficial effects:

1. when the underground water pipe is used, the underground water pipe is arranged on the periphery of the joint of two adjacent underground pipes, so that the water leakage of the pipeline caused by the fracture phenomenon of the joint of two adjacent underground pipes can be effectively prevented, the water conservancy construction quality is ensured, and the normal operation of water conservancy facilities is further ensured;

2. the water leakage monitoring mechanism has the function of monitoring water leakage, and is used for monitoring whether water leakage occurs at the joint of two adjacent buried pipes in real time and giving an alarm when the water leakage occurs at the joint of two adjacent buried pipes, so that daily maintenance personnel can be informed to timely process the water leakage condition, and the normal and stable operation of the water conservancy facility can be ensured.

Drawings

FIG. 1 is a schematic structural view of a buried pipe protection device for water conservancy construction according to an embodiment;

FIG. 2 is a schematic structural view of another perspective of the protection device for the buried pipe used in the water conservancy construction according to an embodiment;

FIG. 3 is an exploded view of a protection device for a buried pipe used in water conservancy construction according to an embodiment;

FIG. 4 is a schematic structural view of a buried pipe protection mechanism of the buried pipe protection device for water conservancy construction according to an embodiment;

FIG. 5 is a schematic diagram of the exploded structure of FIG. 4;

FIG. 6 is a schematic view of the structure of FIG. 5 from another perspective;

FIG. 7 is a partial semi-sectional structural view of a buried pipe protective device for water conservancy construction according to an embodiment;

FIG. 8 is a schematic structural view of a water leakage monitoring mechanism of the protection device for the buried pipe used in water conservancy construction according to an embodiment;

fig. 9 is an exploded view of a water leakage monitoring mechanism of the protection device for a buried pipe used in water conservancy construction according to an embodiment.

In the figure: 1. a buried pipe protection mechanism; 101. a semi-cylindrical bottom shell; 102. a semi-cylindrical upper shell; 103. a first connecting plate; 104. a second connecting plate; 105. a bolt; 106. a first rubber sealing layer; 107. a second rubber sealing layer; 108. a first semi-circular rubber strip; 109. a second semicircular rubber strip; 110. a nut; 111. adjusting the bolt; 112. an arc-shaped pressing plate; 113. a base plate; 114. a support plate; 2. a water leakage monitoring mechanism; 201. a box body; 202. a controller; 203. a communication module; 204. a storage battery; 205. mounting lugs; 206. a cover plate; 207. a screw; 208. a solar panel; 209. a display screen; 210. a support bar; 211. a status indicator light; 212. a base; 213. a column; 214. a water leakage sensor; 215. and a signal line.

Detailed Description

The present invention is described in further detail below with reference to figures 1-9.

Example 1

The utility model provides a ground pipe laying protector for water conservancy construction, as shown in fig. 1-2, includes buried pipe protection machanism 1, and buried pipe protection machanism 1 installs in the junction periphery of two adjacent buried pipes, and buried pipe protection machanism 1 is used for preventing the junction rupture phenomenon of two adjacent buried pipes, can effectively prevent to lead to the pipeline to leak because of the junction rupture phenomenon of two adjacent buried pipes.

Wherein, as shown in fig. 1-7, the buried pipe protection mechanism 1 includes a semi-cylindrical bottom shell 101 and a semi-cylindrical upper shell 102, the two ends of the semi-cylindrical bottom shell 101 are all integrally formed with a first connecting plate 103, the middle part of the first connecting plate 103 is an arc-shaped recessed structure extending towards the outer arc surface of the semi-cylindrical bottom shell 101, the two ends of the semi-cylindrical upper shell 102 are all integrally formed with a second connecting plate 104, the middle part of the second connecting plate 104 is an arc-shaped recessed structure extending towards the outer arc surface of the semi-cylindrical upper shell 102, and the second connecting plate 104 and the first connecting plate 103 located on the same side are fixedly connected through a bolt 105.

The buried pipe protection mechanism 1 is composed of a semi-cylindrical bottom shell 101, a semi-cylindrical upper shell 102, a first connecting plate 103 and a second connecting plate 104, the semi-cylindrical bottom shell 101 and the semi-cylindrical upper shell 102 are connected into a whole under the action of the first connecting plate 103, the second connecting plate 104 and a bolt 105, a cavity inside the whole is used for accommodating the joint of two adjacent buried pipes, secondly, the middle part of the first connecting plate 103 is an arc-shaped concave structure extending towards the outer arc surface of the semi-cylindrical bottom shell 101, the middle part of the second connecting plate 104 is an arc-shaped concave structure extending towards the outer arc surface of the semi-cylindrical upper shell 102, so that the cavity inside the whole can better fit with the outside of the buried pipe, and the semi-cylindrical bottom shell 101, the semi-cylindrical upper shell 102, the first connecting plate 103 and the second connecting plate 104 are made of stainless steel, so that the structure of the buried pipe protection mechanism 1 is stable, the anti external force intensity is big, can effectively offset the external force influence that geological change produced to can avoid the junction of two adjacent buried pipes to receive external force influence, under the condition that the junction of two adjacent buried pipes does not receive external force's influence, the phenomenon of splitting can not take place in the junction of two adjacent buried pipes, consequently, usable this buried pipe protection machanism 1 effectively protects the buried pipe.

More perfectly, as shown in fig. 5-6, a first rubber sealing layer 106 is provided on one side of the semi-cylindrical bottom shell 101 and the first connecting plate 103 facing the semi-cylindrical top shell 102, a second rubber sealing layer 107 is provided on one side of the semi-cylindrical top shell 102 and the second connecting plate 104 facing the semi-cylindrical bottom shell 101, and the second rubber sealing layer 107 is attached to the first rubber sealing layer 106 when the bolt 105 is pre-tightened. The sealing performance of the underground pipe protection mechanism 1 is better under the mutual matching of the first rubber sealing layer 106 and the second rubber sealing layer 107.

More perfectly, as shown in fig. 5-6, a first semicircular rubber strip 108 is fixedly installed on the surface of the first rubber sealing layer 106 and located inside the arc-shaped recessed structure, a second semicircular rubber strip 109 is fixedly installed on the surface of the second rubber sealing layer 107 and located inside the arc-shaped recessed structure, and the second semicircular rubber strip 109 is matched with the first semicircular rubber strip 108. Make this buried pipe protection machanism 1's leakproofness better under mutually supporting of first semicircle annular rubber strip 108 and second semicircle annular rubber strip 109, can effectively avoid this buried pipe protection machanism 1 inside to get into foreign matter such as earth to play the good protection to the junction of adjacent two buried pipes.

More perfectly, as shown in fig. 5 to 6, the semi-cylindrical upper shell 102 and the semi-cylindrical bottom shell 101 have the same structure, the second connecting plate 104 has the same structure as the first connecting plate 103, and the inner diameter of the semi-cylindrical upper shell 102 is larger than that of the arc-shaped recessed structure. Above-mentioned scheme adopts one set of mould can machine-shaping when making semi-cylindrical epitheca 102 and semi-cylindrical drain pan 101 and second connecting plate 104 and first connecting plate 103 preparation, can reduce this water conservancy construction land buried pipe protector's manufacturing cost, and in addition, the internal diameter of semi-cylindrical epitheca 102 is greater than the internal diameter of arc sunk structure for this 1 inside spaces of buried pipe protection machanism are great, can hold the junction of two adjacent buried pipes perfectly.

More perfectly, as shown in fig. 5-6, the outer arc surfaces of the semi-cylindrical upper shell 102 and the semi-cylindrical bottom shell 101 are welded with nuts 110, the inner arc surfaces of the semi-cylindrical upper shell 102 and the semi-cylindrical bottom shell 101 are movably provided with arc-shaped pressing plates 112, the inner parts of the nuts 110 are screwed with adjusting bolts 111, and the screws of the adjusting bolts 111 are connected with the outer arc surfaces of the arc-shaped pressing plates 112 through bearings. According to the technical scheme, the arc-shaped pressing plate 112 can be driven to do linear motion through the operation of the adjusting bolt 111, the buried pipes to be protected can be tightly pressed through the arc-shaped pressing plate 112, and the relative offset of two adjacent buried pipes can be avoided, so that the risk of fracture at the joint of the two adjacent buried pipes is reduced.

To sum up, adopt above-mentioned technical scheme's a water conservancy construction land used buried pipe protector, install the junction periphery at two adjacent buried pipes when using, can effectively prevent to lead to the pipeline to leak because of the fracture phenomenon takes place for the junction of two adjacent buried pipes to guarantee water conservancy construction quality, and then guarantee that water conservancy facility can normal steady operation.

Example 2

As shown in fig. 1-2, the difference from embodiment 1 lies in that the underground pipe protection device for water conservancy construction further includes a water leakage monitoring mechanism 2, the water leakage monitoring mechanism 2 is matched with the underground pipe protection mechanism 1, and the water leakage monitoring mechanism 2 is used for monitoring whether water leakage occurs at the joint of two adjacent underground pipes in real time, and gives an alarm when water leakage occurs at the joint of two adjacent underground pipes, so as to inform the daily maintenance personnel to timely handle the water leakage condition, thereby ensuring that the water conservancy facility can normally and stably operate.

As shown in fig. 2-3 and 7-9, the water leakage monitoring mechanism 2 includes a box 201, a controller 202, a water leakage sensor 214, a communication module 203 and a cover plate 206, one side surface of the box 201 is an open structure, the controller 202 is fixedly installed inside the box 201, the water leakage sensor 214 is fixedly installed on an inner arc surface of the semi-cylindrical bottom case 101, a signal output end of the water leakage sensor 214 is electrically connected with a signal input end of the controller 202 through a signal line 215, the communication module 203 is fixedly installed inside the box 201, an electric control end of the communication module 203 is electrically connected with a control output end of the controller 202 through a control line, and the cover plate 206 is fixedly installed on one side surface of the box 201 which is the open structure through a screw 207.

The water leakage monitoring mechanism 2 comprises a box body 201, a controller 202, a water leakage sensor 214, a communication module 203 and a cover plate 206, the water leakage sensor 214 can be used for monitoring whether the water leakage condition occurs at the joint of two adjacent buried pipes in real time, the water leakage sensor 214 generates an electric signal to be transmitted to the controller 202 when the water leakage condition is monitored at the joint of the two adjacent buried pipes, the controller 202 generates an alarm signal, the alarm signal is transmitted to a terminal device or a PC monitoring end held by a daily maintainer through the communication module 203, the daily maintainer is informed to timely process the water leakage condition, and the water conservancy facility can be stably and normally operated.

It should be noted that the water leakage sensor 214 is a conventional water leakage sensor, and the principle of the water leakage sensor is to use water conduction, use an electrode to see whether water exists or not, and then use the water leakage sensor to convert the water existence condition into a transmission signal of a dry contact; the communication module 203 comprises at least one of a Lora communication module, an NB-iot communication module, a 4G communication module and a 5G communication module, the controller 202 can be a Siemens s7-300 series PLC controller, and the controller is small in size, stable in performance and high in cost performance.

More perfectly, as shown in fig. 8, a status indicator lamp 211 is further fixedly mounted on the outer side wall of the box 201 through a support rod 210, a display screen 209 is further embedded on the outer side wall of the box 201, and an electric control end of the status indicator lamp 211 and an electric control end of the display screen 209 are both electrically connected with the control output end of the controller 202 through a control line. Above-mentioned technical scheme, status indicator lamp 211 is used for showing this monitoring mechanism 2's that leaks operating condition, and the routine maintenance personnel of being convenient for know this monitoring mechanism 2's that leaks operating condition through status indicator lamp 211's state, is convenient for accomplish the inspection work fast, and display screen 209 is used for showing the operating condition and the parameter of sensor 214 that leaks, and the routine maintenance personnel of being convenient for know the operating condition and the parameter of sensor 214 that leaks through display screen 209.

To sum up, adopt a water conservancy construction land used pipe laying protector of above-mentioned technical scheme, possess the function of monitoring leaking, whether monitoring mechanism 2 that leaks is used for the junction of two adjacent ground pipe laying to take place to leak in real time, and report to the police when monitoring the junction of two adjacent ground pipe laying and take place to leak, so that inform the routine maintenance personnel in time handle the condition of leaking, in order to guarantee that hydraulic establishment can normal steady operation.

Example 3

As shown in fig. 8 to 9, the difference from embodiment 2 is that a solar panel 208 is further fixedly mounted on the top of the box 201, a storage battery 204 is fixedly mounted inside the box 201, the storage battery 204 is electrically connected to the solar panel 208 through a charging wire, and the storage battery 204 is further electrically connected to the controller 202 through a conducting wire.

Through adopting above-mentioned technical scheme, usable solar cell panel 208 charges for battery 204, and usable battery 204 supplies power for the device need not external power and can work, can put away the trouble that needs to insert the commercial power when using the device.

Example 4

As shown in fig. 1-2, the difference from embodiment 3 is that a vertically arranged upright column 213 is further fixedly mounted at the bottom of the box body 201, a base 212 is fixedly connected to the bottom end of the upright column 213, a mounting ear 205 is further fixedly mounted on the inner wall of the box body 201, and a threaded hole matched with the screw 207 is formed in the mounting ear 205.

Through adopting above-mentioned technical scheme, make this monitoring mechanism 2 that leaks install more conveniently under mutually supporting of stand 213 and base 212, in addition, make apron 206 be convenient for through screw 207 fixed mounting on the side that box body 201 is open structure under the cooperation of installation ear 205 and screw hole, the later stage of being convenient for is maintained box body 201 internals.

The working principle is as follows: the buried pipe protection device for water conservancy construction is characterized in that when the buried pipe protection device is used, in order to facilitate fixation of the semi-cylindrical bottom shell 101, the bottom parts of the first connecting plates 103 at two ends of the semi-cylindrical bottom shell 101 are fixedly provided with the bottom plates 113 through the supporting plates 114, so that the bottom plates 113 can be buried in soil for fixation, in order to prevent the bottom plates 113 from settling, a concrete cushion layer with the thickness of 20-30cm can be poured at the bottom parts of the bottom plates 113, when the buried pipe protection device is installed, the joint of two adjacent buried pipes is placed at the upper part of the semi-cylindrical bottom shell 101, the water leakage sensor 214 is fixedly arranged at the inner bottom part of the semi-cylindrical bottom shell 101, the water leakage sensor 214 is used for monitoring whether water leakage of a buried pipe exists or not, then the semi-cylindrical upper shell 102 is arranged at the upper part of the semi-cylindrical bottom shell 101, the device can avoid the relative offset of two adjacent buried pipes, thereby reducing the risk of fracture at the joint of the two adjacent buried pipes, in order to prevent poor sealing performance at two ends of the buried pipe protection mechanism 1, all gaps of the buried pipe protection mechanism 1 can be sealed by using a sealant, then the base 212 is buried in the soil, the water leakage monitoring mechanism 2 is installed, after the water leakage monitoring mechanism 2 is installed, the controller 202 is connected with the water leakage sensor 214 by using the signal wire 215, and meanwhile, the water leakage monitoring mechanism 2 is debugged by using a PC tool, so that the water leakage monitoring mechanism 2 is in remote communication connection with a terminal device or a PC monitoring end held by a daily maintainer, thereby realizing the purpose of remote management and monitoring, avoiding the labor required by the daily maintainer to carry out on-site patrol, effectively improving the working efficiency, and rapidly finding the position of the device when the device is abnormal, the GPS positioning module can be arranged in the box body 201, the GPS positioning module can be a MAX-M8Q-0-10 GPS positioning module produced by Shenzhen Haoyanmai electronic technology Limited company, the size of the GPS positioning module is small, the space in the box body 201 can be saved, an electric control end of the GPS positioning module is electrically connected with the controller 202, and when the water leakage monitoring mechanism 2 monitors the water leakage condition, the GPS positioning module can send geographical position information to a terminal device or a PC monitoring end held by a daily maintainer, so that the daily maintainer can quickly find the position of the device.

The parts not involved in the present invention are the same as or can be implemented by the prior art. The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a water conservancy construction land used pipe laying protector which characterized in that includes:

the underground pipe protection mechanism (1) is arranged on the periphery of the joint of two adjacent underground pipes, and the underground pipe protection mechanism (1) is used for preventing the joint of the two adjacent underground pipes from breaking;

the water leakage monitoring mechanism (2), the water leakage monitoring mechanism (2) with the buried pipe protection mechanism (1) is matched with the water leakage monitoring mechanism (2), the water leakage monitoring mechanism (2) is used for monitoring whether water leakage occurs at the joint of two adjacent buried pipes in real time, and alarming is carried out when water leakage occurs at the joint of the two adjacent buried pipes.

2. The buried pipe protection device for water conservancy construction according to claim 1, characterized in that: buried pipe protection machanism (1) includes semi-cylindrical drain pan (101) and semi-cylindrical epitheca (102), the equal integrated into one piece in both ends of semi-cylindrical drain pan (101) has first connecting plate (103), the middle part of first connecting plate (103) is for the orientation the arc sunk structure that the extrados of semi-cylindrical drain pan (101) extends, the equal integrated into one piece in both ends of semi-cylindrical epitheca (102) has second connecting plate (104), the middle part of second connecting plate (104) is for the orientation the arc sunk structure that the extrados of semi-cylindrical epitheca (102) extends is located same one side second connecting plate (104) with first connecting plate (103) are through bolt (105) fixed connection.

3. The buried pipe protection device for water conservancy construction according to claim 1, characterized in that: the semi-cylindrical bottom shell (101) and the first connecting plate (103) face one side face of the semi-cylindrical upper shell (102) and are jointly provided with a first rubber sealing layer (106), the semi-cylindrical upper shell (102) and the second connecting plate (104) face one side face of the semi-cylindrical bottom shell (101) and are jointly provided with a second rubber sealing layer (107), and when the bolt (105) is pre-tightened, the second rubber sealing layer (107) is attached to the first rubber sealing layer (106).

4. The underground pipe protection device for water conservancy construction according to claim 3, characterized in that: the utility model discloses a rubber sealing structure, including first rubber sealing layer (106), arc sunk structure inboard fixed mounting has first semicircle ring shape rubber strip (108) on the surface of first rubber sealing layer (106), the second rubber sealing layer (107) lie in on the surface the inboard fixed mounting of arc sunk structure has second semicircle ring shape rubber strip (109), second semicircle ring shape rubber strip (109) with first semicircle ring shape rubber strip (108) cooperate the setting.

5. The underground pipe protection device for water conservancy construction according to claim 2, characterized in that: the structure of the semi-cylindrical upper shell (102) is the same as that of the semi-cylindrical bottom shell (101), the structure of the second connecting plate (104) is the same as that of the first connecting plate (103), and the inner diameter of the semi-cylindrical upper shell (102) is larger than that of the arc-shaped concave structure.

6. The underground pipe protection device for water conservancy construction according to claim 2, characterized in that: half cylinder epitheca (102) with all welded nut (110) on the extrados of half cylinder drain pan (101), just half cylinder epitheca (102) with equal movable mounting has arc clamp plate (112) on the intrados of half cylinder drain pan (101), the inside spiro union of nut (110) has adjusting bolt (111), the screw rod of adjusting bolt (111) pass through the bearing with the extrados of arc clamp plate (112) is connected.

7. The underground pipe protection device for water conservancy construction according to claim 2, characterized in that: the water leakage monitoring mechanism (2) comprises a box body (201), a controller (202), a water leakage sensor (214), a communication module (203) and a cover plate (206), one side surface of the box body (201) is of an opening structure, the controller (202) is fixedly arranged in the box body (201), the water leakage sensor (214) is fixedly arranged on the inner arc surface of the semi-cylindrical bottom shell (101), and the signal output end of the water leakage sensor (214) is electrically connected with the signal input end of the controller (202) through a signal wire (215), the communication module (203) is fixedly arranged in the box body (201), the electric control end of the communication module (203) is electrically connected with the control output end of the controller (202) through a control line, the cover plate (206) is fixedly arranged on one side face of the box body (201) which is of an opening structure through a screw (207).

8. The underground pipe protection device for water conservancy construction according to claim 7, characterized in that: still have status indicator lamp (211) through bracing piece (210) fixed mounting on the lateral wall of box body (201), just still inlay on the lateral wall of box body (201) and be equipped with display screen (209), the automatically controlled end of status indicator lamp (211) with the automatically controlled end of display screen (209) all through the control line with the control output electric connection of controller (202).

9. The underground pipe protection device for water conservancy construction according to claim 7, characterized in that: the solar energy storage box is characterized in that a solar cell panel (208) is further fixedly mounted at the top of the box body (201), a storage battery (204) is fixedly mounted inside the box body (201), the storage battery (204) is electrically connected with the solar cell panel (208) through a charging wire, and the storage battery (204) is further electrically connected with the controller (202) through a wire.

10. The underground pipe protection device for water conservancy construction according to claim 7, characterized in that: still fixed mounting has stand (213) of vertical setting in the bottom of box body (201), the bottom fixedly connected with base (212) of stand (213), still fixed mounting has installation ear (205) on the inner wall of box body (201), seted up on installation ear (205) with screw (207) assorted screw hole.