阅读说明：本技术 一种水利工程液位监测装置 (Hydraulic engineering liquid level monitoring device ) 是由 李颖 雷恒 刘子祺 方琳 杨春景 聂松广 周晓岚 秦净净 于 2021-08-31 设计创作，主要内容包括：本发明属于水利工程领域,具体涉及一种水利工程液位监测装置,本发明保证电子水尺测量的数值准；我们将电子水尺固定在固定座上,那么电子水尺就不会直接受到风力的作用,在底座竖向间隔固定安装有转动球,转动球滑动安装有固定座,固定座和底座之间设置有和两者接触的防倒筒,底座、固定座、防倒筒相配合实现固定座可以转动的同时保证和水平面平行,在固定座上开设有通风孔,将风向标和固定座同轴心固定安装,风向标和通风孔的配合保证了不论风从那个方向吹过了,都可以通过通风孔,减少了固定座受到的风力,从而保证力固定座不会松动,使得电子水尺测量的数值准确。(The invention belongs to the field of hydraulic engineering, and particularly relates to a hydraulic engineering liquid level monitoring device, which ensures the accuracy of the measured value of an electronic water gauge; we fix the electron water gauge on the fixing base, so the electron water gauge just can not directly receive the effect of wind force, there is the rolling ball at the vertical interval fixed mounting of base, rolling ball slidable mounting has the fixing base, be provided with between fixing base and the base with both contact prevent down a section of thick bamboo, a pedestal, a fixing base, prevent down a section of thick bamboo and cooperate and realize that the fixing base can be pivoted simultaneously guarantee and the horizontal plane is parallel, the ventilation hole has been seted up on the fixing base, with the axle center fixed mounting of wind vane and fixing base, the cooperation in wind vane and ventilation hole has been guaranteed no matter wind has blown over from that direction, all can pass through the ventilation hole, the wind-force that the fixing base received has been reduced, thereby guarantee that the power fixing base can not become flexible, make the measuring numerical value of electron water gauge accurate.)

1. The utility model provides a hydraulic engineering liquid level monitoring device, includes base (1), base (1) vertical interval fixed mounting has rotor ball (2) and rotor ball (2) slidable mounting has fixing base (3), fixing base (3) rotate with the axle center and install with it and contact with base (1) prevent down a section of thick bamboo (4), seted up ventilation hole (5) and fixing base (3) on fixing base (3) and rotate with the axle center and install wind vane (6), the axial direction of ventilation hole (5) and the arrow point direction of wind vane (6) are parallel, fixed mounting has electron water gauge (7) on fixing base (3), seted up on fixing base (3) and seted up inlet opening (9) with electron water gauge (7) matched with measurement chamber (8) and the bottom of measuring chamber (8).

2. A hydraulic engineering liquid level monitoring device according to claim 1, characterized in that a wind screen (10) matched with the vent hole (5) is axially and slidably arranged on the fixed seat (3), the fixed seat (3) is connected with an air speed spring (11), the other end of the air speed spring (11) is connected with a first rope (12), the first rope (12) is connected with a first sliding disc (13) which is axially and slidably arranged on the fixed seat (3), the first sliding disc (13) is rotatably provided with a first rotating disc (34), the first rotating disc (34) is connected with a first rotating ball (14) through a second rope, the first rotating ball (14) is connected with an anemoscope (15) which is rotatably arranged on the fixed seat (3) through a third rope, the first rope (12) penetrates through the wind shield (10), and a wind shield block (16) matched with the wind shield (10) is arranged on the first rope (12) in a tight fit mode.

3. The hydraulic engineering liquid level monitoring device according to claim 2, wherein the number of the wind deflectors (10) is the same as that of the ventilation holes (5) and is multiple, each wind deflector (10) is provided with a wind deflector block (16) matched with the wind deflector, an initial limiting block (17) and a terminal limiting block (18) matched with the wind deflectors (10) are fixedly installed on the fixed seat (3), the distance between the wind deflectors (10) and the wind deflector blocks (16) is gradually increased along the direction from top to bottom of the fixed seat (3), and a reset limiting block (19) matched with the wind deflectors (10) is fixedly installed on the fixed seat (3).

4. The hydraulic engineering liquid level monitoring device according to claim 2 or 3, wherein an electronic angle gauge (20) and an electronic angle gauge (20) measuring instrument are arranged in the fixed seat (3), the direction of the measured inclination angle is consistent with the direction of the wind vane (6), the connecting line of the central line of the electronic water gauge (7) and the spherical center of the rotating ball (2) is parallel to the axis of the fixed seat (3), the fixed seat (3) is rotatably provided with an anti-falling supporting seat (21), an anti-falling spring (22) is arranged between the anti-falling supporting seat (21) and the base (1), an anti-falling cavity (23) for accommodating the anti-falling barrel (4) is arranged in the fixed seat (3), a supporting block (24) which is in contact with the anti-falling barrel (4) is transversely slidably arranged on the base (1), and a second spring (25) is arranged between the base (1) and the supporting block (24), a device which enables the anti-falling cylinder (4) to fall into the anti-falling cavity (23) is arranged between the supporting block (24) and the fixed seat (3).

5. The hydraulic engineering liquid level monitoring device according to claim 4, wherein the device for preventing the falling of the falling cylinder (4) into the falling cavity (23) is a first groove (26) formed in a supporting block (24), the first groove (26) is matched with a first bump (27) sleeved on the falling cylinder (4), a bounce spring (28) is arranged between the first bump (27) and the first groove (26), the wind speed spring (11) is connected with a first block (29), the first block (29) is fixedly installed with the fixed seat (3) through a first pin shaft (30), and the first block (29) is connected with a first shaft (31) and the other end of the first shaft (31) is abutted against the first bump (27).

6. A hydraulic engineering liquid level monitoring device according to claim 5, characterized in that the fixing base (3) is transversely slidably provided with a hole blocking block (32) matched with the ventilation hole (5), and a first spring (33) is arranged between the hole blocking block (32) and the fixing base (3).

Technical Field

The invention belongs to the field of hydraulic engineering, and particularly relates to a hydraulic engineering liquid level monitoring device.

Background

Most of the existing water level monitoring instruments are electronic water gauges, and data are acquired by measuring the water level of electrodes. The electronic water gauge is used for monitoring water levels in hydraulic engineering such as rivers, lakes, reservoirs, hydropower stations, irrigation areas and water delivery, is also suitable for monitoring water levels in municipal engineering such as tap water, municipal sewage treatment and urban road ponding, and if the electronic water gauge stands in the rivers and the reservoirs, the service life of the electronic water gauge is short under the action of wind, and the electronic water gauge can be blown loose by wind in the using process so as to enable the detection numerical value of the electronic water gauge to be inaccurate;

or the electronic water gauge is fixed on a supporting column, the existing supporting column is fixed and cannot rotate, and the supporting column is easy to loosen in the process of repeatedly blowing wind repeatedly, so that the measured numerical value of the electronic water gauge is inaccurate.

Therefore, how to ensure the accuracy of the measured value of the electronic water gauge becomes a problem to be solved by those skilled in the art.

Disclosure of Invention

Aiming at the above situation, in order to overcome the defects of the prior art; we fix the electron water gauge on the fixing base, so the electron water gauge just can not directly receive the effect of wind force, there is the rolling ball at the vertical interval fixed mounting of base, rolling ball slidable mounting has the fixing base, be provided with between fixing base and the base with both contact prevent down a section of thick bamboo, a pedestal, a fixing base, prevent down a section of thick bamboo and cooperate and realize that the fixing base can be pivoted simultaneously guarantee and the horizontal plane is parallel, the ventilation hole has been seted up on the fixing base, with the axle center fixed mounting of wind vane and fixing base, the cooperation in wind vane and ventilation hole has been guaranteed no matter wind has blown over from that direction, all can pass through the ventilation hole, the wind-force that the fixing base received has been reduced, thereby guarantee that the power fixing base can not become flexible, make the measuring numerical value of electron water gauge accurate.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a hydraulic engineering liquid level monitoring device, includes the base, the vertical interval fixed mounting of base has rotor ball and rotor ball slidable mounting to have the fixing base, the fixing base rotates with the axle center and installs contact with it and the base contact prevent down a section of thick bamboo, seted up ventilation hole and fixing base on the fixing base and rotate with the axle center and install the wind vane, the axial direction in ventilation hole and the arrow point direction of wind vane are parallel, fixed mounting has the electron water gauge on the fixing base, set up on the fixing base and measure the chamber and measure the bottom in chamber and seted up the inlet opening with electron water gauge matched with.

Preferably, the fixing base is provided with an air vent matched with a wind screen in an axial sliding manner, the other end of the fixing base, which is connected with an air spring and the air spring, is connected with a first rope, the first rope is connected with a first sliding disc and a first sliding disc which are axially and slidably installed on the fixing base, the first sliding disc is rotatably installed with a first rotating disc, the first rotating disc is connected with a first rotating ball through a second rope, the first rotating ball is connected with an anemoscope which is rotatably installed on the fixing base through a third rope, and the first rope penetrates through the wind screen and the first rope and is provided with a wind screen matched with a wind screen block in a tight fit manner.

Preferably, the quantity of deep bead is the same and a plurality of, every with the quantity in ventilation hole the deep bead all has rather than complex wind-break piece, fixed mounting has initial restriction piece and the terminal restriction piece with deep bead matched with on the fixing base, along fixing base from the top down direction, the deep bead increases gradually with the distance of the piece that keeps out the wind, fixed mounting has the restriction piece that resets with deep bead matched with on the fixing base.

Preferably, be provided with electron angle appearance and electron angle appearance measuring apparatu in the fixing base, its measuring inclination direction is unanimous with the direction of wind vane, the central line of electron water gauge and the line of the centre of sphere of rolling ball are parallel with the axis of fixing base, the fixing base rotates and installs anti-falling supporting seat, it prevents down to be provided with down the spring between supporting seat and the base, it prevents down the chamber to have set up to hold and prevent down a section of thick bamboo in the fixing base, base lateral sliding installs and prevents the supporting shoe of a section of thick bamboo contact, be provided with the second spring between base and the supporting shoe, be provided with between supporting shoe and the fixing base and make to prevent down a section of thick bamboo and fall into the device in preventing down the chamber.

Preferably, the device that the falling prevention barrel falls into the falling prevention cavity is a first groove formed in the supporting block, the first groove is matched with a first lug sleeved on the falling prevention barrel, a bounce spring is arranged between the first lug and the first groove, the wind speed spring is connected with a first block, the first block is fixedly installed through a first pin shaft and a fixed seat, and the first block is connected with the other end of the first shaft and is abutted against the first lug.

Preferably, the fixing base is transversely slidably mounted with a hole blocking block matched with the vent hole, and a first spring is arranged between the hole blocking block and the fixing base.

The invention has the beneficial effects that:

1. we fix the electron water gauge on the fixing base, so the electron water gauge just can not directly receive the effect of wind force, there is the rolling ball at the vertical interval fixed mounting of base, rolling ball slidable mounting has the fixing base, be provided with between fixing base and the base with both contact prevent down a section of thick bamboo, a pedestal, a fixing base, prevent down a section of thick bamboo and cooperate and realize that the fixing base can be pivoted simultaneously guarantee and the horizontal plane is parallel, the ventilation hole has been seted up on the fixing base, with the axle center fixed mounting of wind vane and fixing base, the cooperation in wind vane and ventilation hole has been guaranteed no matter wind has blown over from that direction, all can pass through the ventilation hole, the wind-force that the fixing base received has been reduced, thereby guarantee that the power fixing base can not become flexible, make the measuring numerical value of electron water gauge accurate.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion A of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

FIG. 4 is a schematic view of another cross-sectional mechanism of the present invention;

FIG. 5 is a partial enlarged view of B in FIG. 4;

FIG. 6 is an enlarged view of a portion C of FIG. 4;

FIG. 7 is a schematic cross-sectional view of another embodiment of the present invention;

FIG. 8 is an enlarged view of a portion D of FIG. 7;

FIG. 9 is an enlarged view of a portion E of FIG. 7;

FIG. 10 is an enlarged view of a portion F of FIG. 7;

FIG. 11 is an enlarged view of a portion G of FIG. 7;

FIG. 12 is an enlarged view of a portion H of FIG. 7;

FIG. 13 is a schematic view of the position relationship of the electronic water gauge and the electronic angle gauge;

FIG. 14 is a schematic view of the position of the cavity on the base.

Detailed Description

The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments with reference to the accompanying drawings, in which reference is made to the accompanying drawings.

The invention will be described with reference to the accompanying drawings

In the first embodiment, referring to fig. 1, a hydraulic engineering liquid level monitoring device comprises a base 1, wherein the base 1 is fixed in a river, a hydropower station and the like, rotating balls 2 are fixedly installed on the base 1 at vertical intervals, a rotating cavity matched with the rotating balls 2 is formed in a fixed seat 3, the rotating balls 2 and the rotating cavity are matched to be equivalent to a universal bearing, so the fixed seat 3 can rotate towards any direction relative to the base 1, a tilting cylinder 4 and the fixed seat 3 are coaxially and rotatably installed, one end surface of the tilting cylinder 4 is contacted with the fixed seat 3, the other end surface of the tilting cylinder is contacted with the base 1, the arrangement is that the central axis of the fixed seat 3 is perpendicular to the horizontal plane and cannot form an inclination angle with a certain angle, a vent hole 5 is formed in the fixed seat 3, and the vent hole 5 is arranged so that wind blowing towards the fixed seat 3 can pass through the vent hole 5, therefore, the direct blowing of wind onto the fixed seat 3 is avoided, the fixed seat 3 is blown loose, the wind is blown from different directions, and in order to ensure that the wind can permeate through the vent holes 5 no matter the wind is blown from all directions, a wind vane 6 is fixedly arranged on the fixed seat 3 coaxially, and meanwhile, the direction of an arrow of the wind vane 6 is ensured to be parallel to the axial direction of the vent holes 5, so that the arrangement can ensure that the wind vane 6 can drive the axial direction of the vent holes 5 on the fixed seat 3 to be the same as the direction of the wind under the action of the wind force, in order to know the water level positions of rivers, rivers and hydropower stations in hydraulic engineering, an electronic water gauge 7 is fixedly arranged on the fixed seat 3, meanwhile, a measuring cavity 8 matched with the electronic water gauge 7 is arranged on the fixed seat 3, the electronic water gauge 7 is positioned in the measuring cavity 8, the bottom of a measuring cavity 8 is provided with a water inlet hole 9, water flows into the measuring cavity 8 from the water inlet hole 9, an electronic water gauge 7 can measure the water level at the moment, the electronic water gauge 7 is electrically connected with a controller, the electronic water gauge 7 is electrically connected with an external power supply, the controller can be a display screen arranged indoors, the electronic water gauge 7 transmits the water level at the moment, and in the controller, a worker can monitor the water level in real time through the display screen;

wind vane 6, fixing base 3, prevent down a 4 and base 1 mutually support and make the ventilation hole 5 of seting up on fixing base 3 can all pass through from that direction no matter wind to the avoided setting up more holes on fixing base 3 and satisfying different wind directions, set up a lot of ventilation holes 5 on fixing base 3 and also can reduce fixing base 3's intensity.

In the second embodiment, on the basis of the first embodiment, the vent hole 5 is arranged to enable wind to pass through the vent hole 5, so that the problem that data of a measuring position of the electronic water gauge 7 is inaccurate due to the fact that the fixing base 3 is blown is avoided, but the strength of the fixing base 3 is reduced due to the arrangement of the vent hole 5, the fixing base 3 can be broken from the vent hole 5, a wind deflector 10 matched with the vent hole 5 is axially and slidably mounted on the fixing base 3, when the wind power is not high, the wind deflector 10 blocks the vent hole 5, and the strength of the fixing base 3 can be improved while the wind deflector 10 blocks the vent hole 5, so that the arrangement is like drilling a hole on an empty pipe, and then, a shaft is slidably arranged in the empty pipe; however, if the wind deflector 10 blocks the vent hole 5 all the time, wind blows the fixing base 3 loose, in order to enable the wind deflector 10 to block the wind hole when the wind force is small, the wind deflector 10 is prevented from breaking the fixing base 3 from the position of the wind hole under the action of long-time wind force, and when the wind force is large, the wind deflector 10 cannot block the vent hole 5, so that the wind can pass through the vent hole 5, and the fixing base 3 is prevented from loosening under the action of long time, so that the measured data of the electronic water gauge 7 are inaccurate; the structure is that an anemoscope 15 is coaxially and rotatably installed on a fixed seat 3, the anemoscope 15 can be used for measuring the wind speed at the moment, wind enables the anemoscope 15 to rotate, the anemoscope 15 rotates and drives a first rotating ball 14 to rotate through a third rope, the first rotating ball 14 rotates and drives a first rotating disc which is rotatably installed on a first sliding disc 13 through a second rope to rotate and simultaneously moves along the direction of the central axis of the first sliding disc 13, the first rotating disc moves and drives the first sliding disc 13 which is slidably installed on the fixed seat 3 to move towards the direction close to the anemoscope 15, the first sliding disc 13 moves and drives a first rope 12 to move, the first rope 12 penetrates through a wind shield 10, the first rope 12 moves and drives a wind shield block 16 which is fixed in a close fit mode (under the absence of external force, the first rope 12 and the wind shield block 16 synchronously move), the wind blocking block 16 moves to drive the wind blocking plate 10 matched with the wind blocking block to move, the wind blocking plate 10 can move to block the vent hole 5, so that wind can pass through the vent hole 5, the first rope 12 moves to drive the wind speed spring 11 connected with the first rope and fixedly arranged on the fixed seat 3 to extend, in order to enable the first rope 12 and the wind speed spring 11 to be better fixed together, a fixing plate which is slidably arranged in the fixed seat 3 is arranged between the first rope and the wind speed spring, the hardness of the wind speed spring 11 is selected to determine that the vent hole 5 can be opened only when the wind speed is several levels of wind, the arrangement can enable the vent hole 5 to be blocked when the wind speed is low, so that the fixed seat 3 is prevented from being broken from the position of the vent hole 5 under the long-time action, and the vent hole 5 is opened under the condition of high wind speed, so that the fixed seat 3 is prevented from being under the condition of high wind speed, the fixing seat 3 is blown loose, so that the condition that the monitoring value of the electronic water gauge 7 is inaccurate is avoided, and the wind shield 10 blocks the vent hole 5 under the action of the wind speed spring 11 under the condition that no wind power exists or the wind power is small.

In the third embodiment, in addition to the second embodiment, the number of the vent holes 5 is the same as that of the wind deflector 10, and a plurality of the vent holes are provided, and 4 are introduced as an example in the present application, and for convenience of description, reference is made to fig. 7, and the vent holes are numbered as first, second, third, and fourth along the fixing base 3 in order from top to bottom. The wind blocking blocks 16 matched with the wind blocking blocks 16 and the initial limiting blocks 17 are numbered in sequence, in order to ensure that different numbers of the ventilation holes 5 are opened under different wind speeds, the first initial limiting block 17 is arranged to be contacted with the first wind blocking plate 10 in the initial state, the first wind blocking block 16 is contacted with or not contacted with the first wind blocking plate 10, the second initial limiting block 17 is contacted with the second wind blocking plate 10, the second wind blocking block 16 is not contacted with the second wind blocking plate 10 and has a certain distance, the third initial limiting block 17 is contacted with the third wind blocking plate 10, the third wind blocking block 16 is not contacted with the third wind blocking plate 10 and has a certain distance, the fourth initial limiting block 17 is contacted with the fourth wind blocking plate 10, the fourth wind blocking block 16 is not contacted with the fourth wind blocking plate 10 and has a certain distance, and the distance between the fourth initial limiting block 17 and the fourth wind blocking plate 10 is longer than the distance between the third initial limiting block 17 and the third wind blocking plate 10, the distance between the third initial limit block 17 and the third wind deflector 10 is longer than the distance between the second initial limit block 17 and the second wind deflector 10, if the first initial limit block 17 is not in contact with the first wind deflector 10, then in the initial state, the distance between the second initial limit block 17 and the second wind deflector 10 is longer than the distance between the first initial limit block 17 and the first wind deflector 10, which can be achieved in the initial state, the number of ventilation holes 5 which can be ventilated is different under different wind speeds, the wind velocity indicator 15 rotates at different angular speeds, then the wind velocity indicator 15 drives the first sliding disc 13 to move different distances through the third rope, the second rope of the first rotating ball 14 and the first rotating disc, the first sliding disc 13 moves different distances to drive the first rope 12 to move different distances, the first wind deflector 16 is driven by the first telescopic movement to drive the first wind deflector 10 to move, so that the first wind deflector 10 has no way to block the first vent hole 5, at this time, the second wind deflector 10 and the second wind deflector 16 are not yet contacted, the first rope 12 continues to move under the action of wind speed until the wind deflector 10 is contacted with the first end limiting block 18, so that the first wind deflector 10 has no way to continue moving, then the second wind deflector 10 is contacted with the second wind deflector 16, so that the first rope 12 drives the second wind deflector 10 to move through the first wind deflector 16, so that the second vent hole 5 can ventilate, at the same time, the first wind deflector 16 moves relative to the first rope 12 at this time, the third wind deflector 16 and the third wind deflector 10, the fourth wind deflector 16 and the fourth wind deflector 10 are prevented from moving the same as the second wind deflector 10 and the second wind deflector 16, and under the action of the wind speed spring 11, the wind deflector 10 returns to the initial position, at this time, the distance between the first wind deflector 16 and the first wind deflector 16 is the largest, the distance between the second wind deflector 16 and the second wind deflector 10 is the second, the distance between the third wind deflector 16 and the third wind deflector 10 is the second, and the distance between the fourth wind deflector 16 and the fourth wind deflector 10 is the smallest, in order to ensure that the wind deflector 16 also returns to the initial position, a reset limiting block 19 matched with the wind deflector 16 is fixedly installed on the fixed base 3, under the action of the reset limiting block 19, the wind deflector 16 returns to the disposal position matched with the reset limiting block 19 and does not move, and in the initial position, the wind deflector 16 is contacted with the reset limiting block 19 matched with the wind deflector.

In the fourth embodiment, on the basis of the third embodiment, under the condition of large wind power, and when all the vent holes 5 are opened, the fixed seat 3 and the horizontal plane form a certain inclination angle, the wind power borne by the fixed seat 3 can be reduced after the fixed seat 3 is inclined, but once the electronic water gauge 7 is inclined, the measured data is not the real water level at the moment, an electronic angle measuring instrument is installed in the fixed seat 3, the direction of the measured inclination angle is ensured to be consistent with the direction of the wind vane 6, and the connection line of the central line of the electronic water gauge 7 and the sphere center of the rotating ball 2 is ensured to be parallel to the axis of the fixed seat 3, so that if the value measured by the electronic water gauge 7 is multiplied by the trigonometric function of the angle measured by the electronic measuring instrument, the water level value at the moment can be obtained, and how to incline the fixed seat 3 when the wind power is larger, we install the falling prevention support seat 21 on the fixed seat 3, we install the falling prevention spring 22 between the falling prevention support seat 21 and the base 1, the falling prevention spring 22 can absorb part of the vibration caused by the wind power, and can make the fixed seat 3 return to the initial position without the wind power, we install the falling prevention cavity 23 for accommodating the falling prevention barrel 4 in the fixed seat 3, under the condition of large wind power, the falling prevention barrel 4 between the fixed seat 3 and the base 1 will fall into the falling prevention cavity 23, so the falling prevention barrel 4 loses the function, the fixed seat 3 can tilt under the wind power and rotate around the rotating ball 2, we install the support block 24 on the base 1 in a sliding way, under the normal condition, the support block 24 and the falling prevention barrel 4 contact and never support the falling prevention barrel 4 and do not fall into the falling prevention cavity 23, so that it plays a role, namely prevents the fixed seat 3 from tilting, we are provided with between supporting seat and fixing base 3 and make the device that prevents down section of thick bamboo 4 and fall into preventing down the chamber 23, under the condition that the wind speed condition reaches, prevent down the device action that down section of thick bamboo 4 falls into preventing down the chamber 23, thereby make the second spring 25 drive supporting shoe 24 that sets up between base 1 and supporting shoe 24 to remove towards keeping away from preventing down the axial direction in chamber 23 center, thereby make supporting shoe 24 and prevent down section of thick bamboo 4 and break away from the contact, after breaking away from the contact, prevent down section of thick bamboo 4 will fall into preventing down the chamber 23, thereby make prevent down section of thick bamboo 4 and not exert effect, fixing base 3 can slope way.

In the fifth embodiment, on the basis of the fourth embodiment, a first groove 26 is formed in the supporting block 24, a first protrusion 27 sleeved on the anti-falling cylinder 4 is arranged on the first groove 26, the first protrusion 27 and the first groove 26 are matched to enable the second spring 25 to drive the supporting block 24 to move towards the direction away from the central axis of the anti-falling cavity 23 without any way, so that the supporting block 24 is in contact with the anti-falling cylinder 4, the anti-falling cylinder 4 plays a role, a bounce spring 28 is arranged between the first protrusion 27 and the first groove 26, the bounce spring 28 is used for ensuring that the first protrusion 27 can be bounced under the condition that the first protrusion 27 does not have an external force, so that the first protrusion 27 is separated from the first groove 26, the supporting block 24 is not limited, the supporting block 24 can move under the action of the second spring 25, so that the supporting block 24 is separated from the anti-falling cylinder 4, when the wind speed does not reach a set value, the first lug 27 has a limiting effect on the supporting block 24, the wind speed spring 11 is connected with the first block 29, the first block 29 is fixedly connected with the fixed seat 3 through a first pin shaft 30, the first pin shaft 30 is made of fragile materials, a first shaft 31 is fixedly connected to the fixed seat 3, the first shaft 31 is abutted against the first lug 27, the first shaft 31 enables the first lug 27 to be clamped in the first groove 26, so that the movement of the supporting block 24 is limited, under the condition that the wind speed meets the requirement, the first rope 12 drives the wind speed spring 11 to stretch and contract, the elastic force generated by the telescopic spring exceeds the bearing force of the first pin shaft 30, the first pin shaft 30 is pulled off, the telescopic spring contracts so as to drive the first block 29 to move towards the ventilation hole 5, the first quick movement drives the first shaft 31 to move, the first shaft 31 moves so as to be separated from the contact with the first lug 27, and the first lug 27 is separated from the first groove 26 under the action of the bounce spring 28, supporting shoe 24 is not receiving the restriction thereby under the effect of second spring 25 with prevent down a section of thick bamboo 4 and break away from the contact to make prevent down a section of thick bamboo 4 and fall down to prevent down the chamber 23 under the effect of gravity, at this moment, wind blows the slope with fixing base 3, and the wind-force that fixing base 3 received will reduce, thereby life-span when making fixing base 3 increases.

Sixth embodiment, on the basis of fifth embodiment, when the water level rises, if the water level has already passed through a certain vent 5 on the fixed base 3, and if the wind speed increases, the vent 5 is opened, water will contact the first rope 12 through the vent 5 and the first rope 12, so that the life of the first rope 12 is reduced, a hole blocking block 32 matched with the vent 5 is transversely and slidably installed on the fixed base 3, the direction of the vent 5 is better perpendicular to the moving direction of the hole blocking block 32, a first spring 33 is arranged between the hole blocking block 32 and the fixed base 3, the first spring 33 is arranged to overcome resistance, so that the hole blocking block 32 does not work, so that the wind blocking block 16 can be far away from the vent 5, so that the wind can pass through the vent 5, when the vent 5 is under the water, the pressure of the water on the hole blocking block 32 overcomes the elastic force of the first spring 33 to drive the hole blocking block 32 to move towards the direction close to the wind blocking block 16, thereby blocking the movement of the wind-shielding block 16, the wind-shielding block 16 has no way to move so that the ventilation hole 5 cannot ventilate, and water does not contact the first rope 12 through the ventilation hole 5, so that the use time of the first rope 12 is not reduced.

The above description is only for the purpose of illustrating the present invention, and it should be understood that the present invention is not limited to the above embodiments, and various modifications conforming to the spirit of the present invention are within the scope of the present invention.