CN112285377A - Water body flow velocity measuring device for hydraulic engineering - Google Patents
Water body flow velocity measuring device for hydraulic engineering Download PDFInfo
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- CN112285377A CN112285377A CN202011173937.0A CN202011173937A CN112285377A CN 112285377 A CN112285377 A CN 112285377A CN 202011173937 A CN202011173937 A CN 202011173937A CN 112285377 A CN112285377 A CN 112285377A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/02—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer
- G01P5/06—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer using rotation of vanes
- G01P5/07—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer using rotation of vanes with electrical coupling to the indicating device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
- G01P1/04—Special adaptations of driving means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/001—Full-field flow measurement, e.g. determining flow velocity and direction in a whole region at the same time, flow visualisation
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Abstract
The invention provides a water body flow velocity measuring device for hydraulic engineering, which not only solves the problem that the result is influenced because obstacles in water easily enter a measuring part when the flow velocity in a water body is measured, but also solves the problem that the measuring device can be automatically kept at a proper measuring position along with the rise and the fall of the water level in the process of lifting the water level, so that the measuring result is more accurate.
Description
Technical Field
The invention relates to a flow velocity measuring device, in particular to a water body flow velocity measuring device for hydraulic engineering.
Background
A flow rate measuring method; turbine measurement: in a flow range, the rotating speed of the turbine is in direct proportion to the flow rate layer of the fluid, the fluid flows to drive the turbine to rotate, and the rotating speed of the turbine is converted into electric pulses which can display data through a secondary meter to reflect the flow rate of the fluid.
The orifice plate flowmeter method comprises the following steps: the fluid fills the pipeline, when the fluid flows through the throttling device in the pipeline, the flow velocity can be locally contracted, so that the flow velocity is increased, the static pressure is reduced, a pressure difference is formed at the throttling part, the larger the flow of the medium flows, the larger the pressure difference generated before and after the throttling part is, and therefore, the orifice plate flowmeter can measure the flow rate of the fluid by measuring the pressure difference, and the measuring method is based on the energy conservation and the flow continuity law.
Venturi flow measurement: when fluid flows through a throttling piece in a pipeline of the Venturi meter, the flow velocity is partially contracted at the Venturi throttling piece initially, so that the flow velocity is increased, the static pressure difference is reduced, the static pressure difference is generated before and after the Venturi meter, the larger the fluid flow is, the larger the static pressure difference is, and the flow velocity is measured according to the static pressure difference.
The influence of impurities, floating objects and the like in the water body can be inevitably met in the process of measuring the water body in the river water through a turbine measuring method on the measuring part, and meanwhile, the measuring part cannot change along with the water level when the water storage and water drainage phenomena occur in the river water body in the process of measuring the water body in the river water, so that the measuring result is inaccurate.
Disclosure of Invention
In view of the above situation, in order to overcome the defects of the prior art, the invention provides the water flow velocity measuring device for the hydraulic engineering, which not only solves the problem that the result is influenced because the obstacles in water easily enter the measuring part when the flow velocity in the water is measured, but also solves the problem that the measuring device can be automatically kept at a proper measuring position along with the rising and the lowering of the water level in the process of lifting the water level, so that the measuring result is more accurate.
The technical scheme for solving the problem is that the device is characterized by comprising a support, a shell which is vertically and slidably connected to the support, a flow velocity detector which is fixedly connected to the shell, and a blocking device which is fixedly connected to the shell and positioned in front of the flow velocity detector, wherein the blocking device comprises a blocking net which is fixedly connected to the shell, a plurality of blocking rods which are transversely arranged are fixedly connected to the blocking net, the blocking rods are vertically and uniformly distributed at intervals and are arranged in parallel, the left end of each blocking rod is fixedly connected to the left side surface of the blocking net, the right end of each blocking rod extends towards the right side, a separating plate is fixedly connected to the right end of each blocking rod, a rotating shaft is vertically and rotatably connected to each separating plate, a plurality of poking plates which are positioned among the blocking rods are arranged on the rotating shaft, a transversely-arranged sliding groove with an upper end opening is fixedly connected to the shell below the blocking net, the upper end of the sliding disc upwards stretches out to be provided with a vertical poking rod, the vertical poking rod stretches out towards the front side surface to be provided with a plurality of cleaning sheets connected with each interception rod at intervals, the threaded rod is arranged between the lower end surfaces of the sliding groove and the interception net and is arranged behind the vertical poking rod and is transversely arranged, the threaded rod is driven by a threaded motor fixedly connected to the shell, the threaded rod is connected with a connecting piece in a threaded manner, the connecting piece is rotatably connected with the vertical poking rod, the rear end of the connecting piece upwards stretches out to form a limiting block, and the vertical poking rod backwards stretches out to form a limiting rod matched with the limiting block.
Preferably, the device also comprises a driving ring which is positioned at the upper end of the vertical poke rod and is rotationally connected with the upper end of the shell, the driving ring is transversely driven in a direction through a second threaded rod which is transversely rotationally connected with the upper end of the shell, and the second threaded rod is driven through a second threaded motor which is fixedly connected with the shell.
Preferably, the flow velocity detector comprises a support frame fixedly connected to the casing, a longitudinally-arranged through hole is formed in the support frame, a detection cylinder is fixedly connected to the inside of the through hole, a support rod extending outwards extends from the rear end of the detection cylinder, an annular support sheet is fixedly connected to the rear end of each support rod, the axis of each support rod coincides with the axis of the detection cylinder, a detection motor is coaxially and fixedly connected to the front side surface of the annular support sheet, and a detection motor rotating shaft extends forwards into the detection cylinder and is fixedly connected with fan blades.
Preferably, the water flow velocity measuring devices are three groups and are respectively connected in a vertical sliding manner along the support, the water flow velocity detecting devices of each group are connected through a synchronizing device, and the side surface of the shell in the uppermost water flow velocity detecting device is fixedly connected with a vertically arranged water level detecting device.
Preferably, the water level detection device comprises a water level detection barrel fixedly connected to the shell, a floating ball is vertically and slidably connected to the inside of the water level detection barrel, a detection rod downwardly extends from the lower end of the floating ball, a touch rod extends out of the detection barrel from the lower end of the detection rod perpendicular to the axis of the detection barrel, contacts are respectively arranged above and below the touch rod on the detection barrel, and a shielding cover is fixedly connected to the upper end of the water level detection barrel.
Preferably, the synchronizing device comprises a driving threaded sleeve which is vertically and rotatably connected to the water body flow velocity measuring device at the middle part, the driving threaded sleeve is driven by a driving motor fixedly connected to the shell, the driving threaded sleeve respectively extends towards the upper part and the lower part, and the extending parts of the driving threaded sleeve are respectively matched with driving threaded shafts fixedly connected to the shell at the upper part and the lower part.
Preferably, all parts in the water body needing to be connected with the electric power are subjected to waterproof treatment.
Preferably, the rotating shaft is provided with a plurality of groups of poking pieces positioned among the intercepting rods, and the rotating shaft is controlled by a rotating motor fixedly connected to the shell.
Preferably, the cleaning piece extends out towards the front and the extending part penetrates through the intercepting rod, the cleaning piece is in sliding fit with the intercepting rod, an arc-shaped chamfer is formed in the left side of the front end of the cleaning piece, the cleaning piece extends out towards the front when the vertical poking rod moves rightwards after being limited by the limiting block and the limiting rod, and the extending part of the front end of the cleaning piece extends out towards the right front when the vertical poking rod moves leftwards.
The invention has the beneficial effects that: 1. the flow velocity of the water body can be measured by a turbine measurement method;
2. the device can stir the obstacles in the water body when the obstacles touch the measuring device in the process of measuring the flow velocity of the water body, so that the measuring result is not influenced;
3. the water level can be always detected by the water level measuring device;
4. the height of the water level detection device can be adjusted through the height of the water level by the synchronization device;
5. the water level detection devices are three groups and are used for respectively monitoring the upper, middle and lower water areas all the time, and the omnibearing monitoring of the water areas is completed.
Drawings
FIG. 1 is an overall schematic view of the present invention.
FIG. 2 is a partially enlarged view of the area A of the overall schematic diagram of the present invention.
FIG. 3 is a second perspective view of the present invention.
Fig. 4 is a partially enlarged view of a second view angle B region of the overall schematic diagram of the present invention.
FIG. 5 is a third perspective view of the present invention.
FIG. 6 is a schematic view of an intercepting apparatus according to the present invention.
FIG. 7 is a second perspective view of the intercepting apparatus of the present invention.
FIG. 8 is a second enlarged view of the intercepting apparatus of the present invention at a view angle C.
FIG. 9 is a schematic view of the intercepting vertical tap lever of the present invention.
FIG. 10 is a schematic view of a flow rate detector according to the present invention.
FIG. 11 is a schematic view of a water level detecting device according to the present invention.
Fig. 12 is a schematic view of the intercepting net of the present invention.
Reference numerals
1. The device comprises a support, 2, a shell, 3, a blocking net, 4, a blocking rod, 5, a separating sheet, 6, a rotating shaft, 7, a poking sheet, 8, a sliding groove, 9, a sliding disc, 10, a vertical poking rod, 11, a cleaning sheet, 12, a threaded rod, 13, a threaded motor, 14, a connecting piece, 15, a limiting block, 16, a limiting rod, 17, a driving ring, 18, a second threaded rod, 19, a second threaded motor, 20, a supporting frame, 21, a detection cylinder, 22, a supporting rod, 23, an annular supporting sheet, 24, a detection motor, 25, a fan blade, 26, a water level detection cylinder, 27, a floating ball, 28, a detection rod, 29, a touch rod, 30, a contact, 31, a shielding cover, 32, a driving threaded sleeve and 33, a driving motor, 34 and a driving threaded shaft.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings 1 to 12.
The first embodiment adopts the technical scheme that the device is characterized by comprising a support 1, a shell 2 which is vertically and slidably connected to the support 1, a flow velocity detector which is fixedly connected to the shell 2, and a blocking device which is fixedly connected to the shell 2 and is positioned in front of the flow velocity detector, wherein the blocking device comprises a blocking net 3 which is fixedly connected to the shell 2, a plurality of transversely-arranged blocks 4 are fixedly connected to the blocking net 3, the blocks 4 are vertically and uniformly distributed at intervals and are arranged in parallel, the left end of each block 4 is fixedly connected to the left side surface of the blocking net 3, the right end of each block 4 extends towards the right side, the right end of each block 4 is fixedly connected with a separating plate 5, each separating plate 5 is vertically and rotatably connected with a rotating shaft 6, a plurality of shifting plates 7 which are positioned among the blocks 4 are arranged on the rotating shaft 6, and a transversely-arranged chute 8 with an opening at the upper end is fixedly connected to the shell, the horizontal sliding connection has the sliding disk 9 in the spout 8, the upper end of sliding disk 9 upwards stretches out has vertical poker rod 10, vertical poker rod 10 is gone towards the leading flank and is stretched out a plurality of and each 4 interval positions of interception between sliding connection's clearance piece 11, be located between spout 8 and the 3 lower terminal surfaces of arresting net and be located vertical poker rod 10 rear side and be equipped with transverse arrangement's threaded rod 12, threaded rod 12 drives through the thread motor 13 of fixed connection on casing 2, threaded rod 12 goes up threaded connection has connecting piece 14, rotate between connecting piece 14 and the vertical poker rod 10 and be connected, the rear end upwards stretches out stopper 15 on being located the connecting piece 14 up end, be located vertical poker rod 10 and go towards the rear side and stretch out stopper 16 with stopper 15 matched with.
When the device is used, firstly, a support 1 is vertically inserted into a river channel to be measured, the support 1 consists of two parallel cylindrical rods, the upper ends of the supports 1 are fixedly connected through a cross rod, the lower end of the support 1 is fixedly connected with a support plate, the support plate plays a role in fixing the stability of the support 1 and also plays a role in limiting the depth of the support inserted into a riverbed, meanwhile, a flow velocity measuring device positioned at the lowest end and used for detecting the depth of a lower layer of water body is fixedly connected onto the support plate, even if the water level of the river channel rises and falls, the flow velocity measuring devices of the upper layer and the middle layer of water body can be adjusted, the position of the flow velocity measuring device of the lower layer of water body is always kept unchanged on the support plate, each water body flow velocity detecting device comprises a shell 2, flow velocity detectors are fixedly connected into the shells 2, and only blocking devices are fixedly connected onto the, the obstacles in the water body of the arresting device can be intercepted by the arresting net 3 in the arresting device in the process that water flow passes through the water body flow velocity detector, a plurality of interceptors 4 in the arresting net 3 can play a role in blocking, while the blocking of the water body by each interception 4 itself does not affect the accuracy of the result of the flow velocity detector when no obstacle is present, but the obstacle enters the flow velocity detector and is blocked by the blocking device to influence the detection result, a vertical poke rod 10 for cleaning the objects blocked by the front end surface of the blocking device is arranged behind the blocking device, a plurality of cleaning sheets 11 matched with the blocks 4 extend forwards from the vertical poke rod 10, in the process of rightward transverse movement of the interception net 4, the obstacles intercepted on the front end face of the interception net 3 can be shifted rightward, so that the obstacles cannot influence water flow.
The vertical poking rod 10 intermittently moves in a transverse direction under the action of the connecting piece 14, when a barrier in a water body touches the barrier net 3, the barrier is intercepted by the interception 4 in the barrier net 3, the intercepted barrier is positioned in front of the flow velocity detector, water flow is blocked when flowing through the front of the flow velocity detector, so that the result detected by the flow velocity detector generates deviation, the threaded rod 12 which is transversely arranged is always driven by the threaded motor 13 to do forward and reverse reciprocating circulating motion, the threaded rod 12 which is transversely arranged drives the connecting piece 14 which is in threaded connection rightwards in the forward rotation process of the threaded motor 13, the vertical poking rod 10 among the connecting pieces 14 is pushed rightwards, the sliding disc 9 which is fixedly connected with the lower section of the vertical poking rod 10 in the rightward movement process of the vertical poking rod 10 transversely slides in the transversely arranged sliding groove 8, and the transversely arranged sliding groove 8 plays a role in guiding and limiting for the vertical poking rod 10, the vertical poking rod 10 is always vertical in the process of moving in the forward direction, the cleaning sheets 11 extending forwards on the vertical poking rod 10 play a role of pushing the obstacles intercepted on the interception 4 rightwards, the limiting rod 16 extending out of the rear end of the vertical poking rod 10 in the process of moving the cleaning sheets 11 rightwards can be blocked under the action of the limiting sheets, the vertical poking rod 10 is pushed leftwards in the process of moving the obstacles in the rightward direction through the poking sheet 7 fixedly connected to the rotating shaft 6 in the rotating process and is separated from the range of the interception net 3 in the rightward reverse direction, the vertical poking rod 10 pushes the vertical poking rod 10 leftwards in the process of moving the connecting piece 14 in the leftward direction, the cleaning sheets 11 extending towards the front end of the vertical poking rod 10 under the action of the friction force between the cleaning sheets and the interception 4 and the combined action of the limiting rod 16 and the limiting block 15 positioned at the rear end of the vertical poking rod 10, the vertical poking rod 10 rotates by a corresponding angle firstly and stops rotating continuously after moving to a set value within the range of the limiting block 15, at the moment, the vertical poking rod moves leftwards, and due to the fact that the vertical poking rod 10 rotates by the corresponding angle, the cleaning sheet 11 extending out of the vertical poking rod 10 towards the front direction is hidden behind the front end face of the interception 4 and cannot extend out of the front of the interception 4 towards the front in the leftward moving process, and therefore if an obstacle with a large size is in front of the interception net 3, the obstacle cannot be pushed leftwards and rightwards repeatedly and cannot leave the range of the interception net 3.
In the second embodiment, on the basis of the first embodiment, the driving device further comprises a driving ring 17 which is positioned at the upper end of the vertical poke rod 10 and is rotationally connected with the upper end of the casing 2, the driving ring 17 is transversely driven in a direction through a second threaded rod 18 which is transversely rotationally connected with the upper end of the casing 2, and the second threaded rod 18 is driven through a second threaded motor 19 which is fixedly connected with the casing 2.
When the driving device is used, the driving ring 17 is connected to the upper end of the vertical poking rod 10 in a vertical coaxial rotating mode, the driving is changed to be driven through the second threaded rod 12 which is transversely arranged, the second threaded rod 18 is driven through the second threaded motor 19, the second threaded motor 19 and the threaded motor 13 move synchronously, the threaded rod 12 which is transversely arranged and the second threaded rod 18 move synchronously, driving force is arranged at the upper end and the lower end of the vertical poking rod 10, the driving force is insufficient in the moving process of the cleaning sheet 11, and the driving force is insufficient in the poking process of a large-size obstacle, and meanwhile the sliding disc 9 at the lower end can be prevented from generating extra moment in the transverse sliding process.
Third embodiment, on the basis of first embodiment, the flow velocity detector includes support frame 20 of fixed connection on casing 2, set up the through-hole of placing of longitudinal arrangement on the support frame 20, place the interior fixedly connected with detection section of thick bamboo 21 of through-hole, it has outside bracing piece 22 that stretches out to stretch out backward to detect the section of thick bamboo 21 rear end, the annular backing sheet 23 of coincidence between an axle center of each bracing piece 22 rear end fixedly connected with and the detection section of thick bamboo 21 axle center, coaxial fixedly connected with detection motor 24 on the annular backing sheet 23 leading flank, detection motor 24 pivot stretches into in the detection section of thick bamboo 21 forward and detection motor 24 pivot front end fixedly connected with flabellum 25.
This embodiment is when using, when water flowing water detector places in the aquatic, detect a section of thick bamboo 21 for with rivers flow direction between consistent, when fixing detect a section of thick bamboo 21 on support frame 20, rivers can promote flabellum 25 and rotate through detecting a section of thick bamboo 21 in-process, determine water velocity of flow size according to flabellum 25 slew velocity, drive detection motor 24 when flabellum 25 rotates and rotate, detection motor 24 transmits the rotation signal for the treater, the treater is handled rotation signal and record, the hole that detects a section of thick bamboo 21 rear end towards each bracing piece 22 that stretches out outside the circumferencial direction slant is used for the passing through of rivers, make rivers can not cause the direction influence to flabellum 25 owing to the existence of detection motor 24, make the testing result more accurate.
Fourth embodiment, on the basis of first embodiment, water velocity of flow measuring device is three groups, carries out vertical sliding connection along support 1 respectively, connects through synchronizer between each group water velocity of flow detection device, is located the water level detection device of vertical arrangement on the casing 2 side among the water velocity of flow detection device of the top.
When the water level detection device is used, the water flow velocity detection devices positioned above and in the middle are adjusted all the time through the synchronization device in the water level detection process, so that the water flow velocity detection device at the upper end detects the water flow velocity at the upper end all the time and the water flow velocity detection device at the middle detects the water flow velocity in the middle water area.
In the fifth embodiment, on the basis of the fourth embodiment, the water level detecting device includes a water level detecting cylinder 26 fixedly connected to the housing 2, a floating ball 27 is vertically and slidably connected to the water level detecting cylinder 26, a detecting rod 28 extends downward from a lower end of the floating ball 27, a touch rod 29 extends out of the lower end of the detecting rod 28 perpendicular to the axis of the detecting cylinder 21 and faces the detecting cylinder 21, contacts 30 are respectively disposed above and below the touch rod 29 on the detecting cylinder 21, and a shielding cover 31 is fixedly connected to an upper end of the water level detecting cylinder 26.
In the embodiment, when the device is used, the lower end of the water level detection cylinder 26 is always positioned in the water body, the floating ball 27 in the water level detection cylinder 26 is always kept parallel to the upper end surface of the water body, the water level detection cylinder 26 can avoid the influence of wind and wave on the detection result of the floating ball 27, the shielding cover 31 arranged at the upper end of the water level detection cylinder 26 can effectively prevent the influence of dust and raindrops on the detection result, and simultaneously, the pressure coordination effect is achieved, if the upper end is in a closed state, the water level detection cylinder 26 cannot circulate due to the pressure of the sealed environment inside, and the floating ball 27 cannot move, so that the result is inaccurate, if the upper end is in an open state, the floating ball 27 can move downwards due to the gravity of raindrops in the raindrop process, the detection result is inaccurate, if the upper end is in an air-permeable shielding cover 31, during the process that the floating ball 27 goes up and down along with the water surface, the touch rod 29 at the lower end of, so that the contact 30 in the detection cylinder 21 receives a corresponding signal, and the synchronizer is controlled to move to adjust the height of the water flow velocity detection device at the upper end when the contact 30 is triggered.
Sixth embodiment, on the basis of the fourth embodiment, the synchronizing device includes a driving threaded sleeve 32 vertically and rotatably connected to the water flow velocity measuring device at the middle portion, the driving threaded sleeve 32 is driven by a driving motor 33 fixedly connected to the housing 2, the driving threaded sleeve 32 respectively extends upward and downward, and the extending portions respectively cooperate with driving threaded shafts 34 fixedly connected to the housing 2 above and below.
When the embodiment is used, the driving threaded sleeve 32 is driven to rotate by the driving motor 33 in the process that the driving threaded sleeve 32 is vertically and rotationally connected to the water flow velocity detection device at the middle part, the driving threaded sleeve 32 is in threaded fit with the driving threaded sleeve 32 through the driving threaded shaft 34 fixedly connected to the shell 2 on the water flow velocity detection devices at the upper part and the lower part in the rotating process, and the water flow velocity detection device at the middle part moves downwards under the action of the synchronizing device because the position of the water flow velocity detection device at the lower end is kept unchanged, so that the water flow velocity detection device at the upper end moves downwards at a speed twice as fast as the water flow velocity detection device at the middle part under the action of the synchronizing device, the distances between the water flow velocity detection devices at the upper end and the lower end and the water flow velocity detection device at the middle part are always kept the same, and the synchronizing device moves reversely in the process of, and the distance between the water body flow velocity detection devices at the upper end and the lower end and the water body flow velocity detection device at the middle part are always kept the same.
And in the seventh embodiment, on the basis of the sixth embodiment, all parts in the water body which need to be connected with the electric power need to be subjected to waterproof treatment.
This embodiment is when using, and in water velocity of flow detection device carries out the course of working, need carry out water repellent to all contacts 30, motor and rotation connection position, prevent that water from entering into the circular telegram position and prevent that water from entering into connection position and causing the influence to life.
In an eighth embodiment, on the basis of the first embodiment, the plurality of groups of the plurality of the toggle pieces 7 positioned between the interception portions 4 are arranged on the rotating shaft 6, and the rotating shaft 6 is controlled by a rotating motor fixedly connected to the housing 2.
When the barrier detection device is used, after the cleaning sheet 11 shifts the barrier to the limit position, the barrier is shifted out of the range of the barrier net 3 through the rotating action of the shifting sheet 7, so that the barrier cannot influence the detection result.
Ninth embodiment, on the basis of first embodiment, clearance piece 11 stretches out and stretches out the position and pass interception 4 towards the place ahead, sliding fit between clearance piece 11 and the interception 4, and the arc chamfer has been seted up on clearance piece 11 front end left side, and clearance piece 11 is after spacing through stopper 15 and gag lever post 16 when vertical poker rod 10 moves right side clearance piece 11 stretches out towards the place ahead, and clearance piece 11 stretches out the position for the front end when vertical poker rod 10 moves left side and stretches out for the right front side.
When the cleaning piece 11 is used, in the process of cleaning the cleaning piece 11, the cleaning piece 11 extends out towards the front in the process of moving the cleaning piece 11 from the right side, the cleaning piece 11 generates oblique deviation under the action between the limiting rod 16 and the limiting piece in the process of moving the cleaning piece 11 to the left side, and the upper left end of the cleaning piece 11 is provided with the arc-shaped chamfer so as to prevent obstacles from being pushed to the left in the process of moving the cleaning piece 11 to the left side.
Claims (9)
1. Water body flow velocity measuring device for hydraulic engineering, which is characterized by comprising a support (1), a shell (2) vertically connected on the support (1) in a sliding manner, a flow velocity detector fixedly connected on the shell (2), a blocking device fixedly connected on the shell (2) and positioned in front of the flow velocity detector, the blocking device comprises a blocking net (3) fixedly connected on the shell (2), a plurality of transversely-arranged interceptors (4) are fixedly connected on the blocking net (3), each interceptor (4) is vertically and uniformly distributed at intervals and is arranged in parallel among the interceptors (4), the left end of each interceptor (4) is fixedly connected on the left side surface of the blocking net (3), the right end of each interceptor (4) extends towards the right side, partition sheets (5) are fixedly connected on the right end of each partition sheet (5), and a rotating shaft (6) is vertically and rotatably connected on each partition sheet (5), a plurality of poking pieces (7) positioned among the interceptors (4) are arranged on the rotating shaft (6), a sliding groove (8) with an upper end opening and arranged transversely is fixedly connected on the shell (2) positioned below the intercepting net (3), a sliding disc (9) is connected in the sliding groove (8) in a transverse sliding manner, a vertical poking rod (10) extends upwards from the upper end of the sliding disc (9), a plurality of cleaning pieces (11) which are connected with the interceptors (4) in a sliding manner extend towards the front side surface on the vertical poking rod (10), a threaded rod (12) arranged transversely is arranged between the sliding groove (8) and the lower end surface of the intercepting net (3) and positioned behind the vertical poking rod (10), the threaded rod (12) is driven by a threaded motor (13) fixedly connected on the shell (2), a connecting piece (14) is connected on the threaded rod (12), and the connecting piece (14) is connected with the vertical poking rod (10) in a rotating manner, the upper end of the upper end face of the connecting piece (14) is provided with a limiting block (15) which extends upwards, and the upper end of the vertical poke rod (10) is provided with a limiting rod (16) which extends backwards and is matched with the limiting block (15).
2. The device for measuring the water flow velocity for the hydraulic engineering is characterized by further comprising a driving ring (17) which is positioned at the upper end of the vertical poke rod (10) and is in rotary connection with the upper end of the vertical poke rod, wherein the driving ring (17) is transversely and rotatably connected with a second threaded rod (18) at the upper end of the shell (2) to drive in a transverse direction, and the second threaded rod (18) is driven by a second threaded motor (19) fixedly connected with the shell (2).
3. The water body flow velocity measuring device for the hydraulic engineering as recited in claim 1, wherein the flow velocity detector comprises a support frame (20) fixedly connected to the housing (2), a longitudinally arranged through hole is formed in the support frame (20), a detecting cylinder (21) is fixedly connected to the inside of the through hole, a support rod (22) extending outwards extends from the rear end of the detecting cylinder (21), an annular support sheet (23) overlapping with the axis of the detecting cylinder (21) is fixedly connected to the rear end of each support rod (22), a detecting motor (24) is coaxially and fixedly connected to the front side surface of the annular support sheet (23), and a rotating shaft of the detecting motor (24) extends forwards into the detecting cylinder (21) and a fan blade (25) is fixedly connected to the front end of the rotating shaft of the detecting motor (24).
4. The water conservancy project water flow velocity measuring device according to claim 1, wherein the water flow velocity measuring devices are three groups, and are respectively connected in a vertical sliding manner along the support (1), the water flow velocity detecting devices in each group are connected through a synchronizing device, and a vertically arranged water level detecting device is fixedly connected to the side surface of the shell (2) in the uppermost water flow velocity detecting device.
5. The water body flow velocity measuring device for the hydraulic engineering according to claim 4, wherein the water level detecting device comprises a water level detecting cylinder (26) fixedly connected to the housing (2), a floating ball (27) is vertically and slidably connected to the inside of the water level detecting cylinder (26), a detecting rod (28) downwardly extends from the lower end of the floating ball (27), a touch rod (29) extends from the lower end of the detecting rod (28) and is perpendicular to the axis of the detecting cylinder (21) and faces the detecting cylinder (21), contacts (30) are respectively arranged above and below the touch rod (29) on the detecting cylinder (21), and a shielding cover (31) is fixedly connected to the upper end of the water level detecting cylinder (26).
6. The water body flow velocity measuring device for the hydraulic engineering according to claim 4, wherein the synchronizing device comprises a driving threaded sleeve (32) which is vertically and rotatably connected to the water body flow velocity measuring device at the middle part, the driving threaded sleeve (32) is driven by a driving motor (33) fixedly connected to the shell (2), the driving threaded sleeve (32) respectively extends upwards and downwards, and the extending parts are respectively matched with driving threaded shafts (34) fixedly connected to the shell (2) at the upper part and the lower part.
7. The device for measuring the flow velocity of a water body for hydraulic engineering according to claim 6, wherein all parts located inside the water body, which need to be connected with electric power, need to be subjected to waterproof treatment.
8. The water body flow velocity measuring device for the hydraulic engineering according to claim 1, wherein a plurality of groups of the plurality of the poking pieces (7) positioned among the interceptors (4) are arranged on the rotating shaft (6), and the rotating shaft (6) is controlled by a rotating motor fixedly connected to the shell (2).
9. The water body flow velocity measuring device for the hydraulic engineering according to claim 1, wherein the cleaning sheet (11) extends out towards the front and the extending part passes through the interception (4), the cleaning sheet (11) is in sliding fit with the interception (4), an arc-shaped chamfer is formed in the left side of the front end of the cleaning sheet (11), the cleaning sheet (11) extends out towards the front when the vertical poking rod (10) moves rightwards after being limited by the limiting block (15) and the limiting rod (16), and the cleaning sheet (11) extends out towards the right when the vertical poking rod (10) moves leftwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011173937.0A CN112285377A (en) | 2020-10-28 | 2020-10-28 | Water body flow velocity measuring device for hydraulic engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011173937.0A CN112285377A (en) | 2020-10-28 | 2020-10-28 | Water body flow velocity measuring device for hydraulic engineering |
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| CN112285377A true CN112285377A (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011173937.0A Withdrawn CN112285377A (en) | 2020-10-28 | 2020-10-28 | Water body flow velocity measuring device for hydraulic engineering |
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| Country | Link |
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| CN (1) | CN112285377A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820467A (en) * | 2021-10-19 | 2021-12-21 | 福建水利电力职业技术学院 | Method and device for detecting health condition of river and lake water quality |
| CN114414832A (en) * | 2022-04-02 | 2022-04-29 | 山东省地质矿产勘查开发局第四地质大队(山东省第四地质矿产勘查院) | Hydrogeology reconnaissance water flow velocity of flow detection device |
-
2020
- 2020-10-28 CN CN202011173937.0A patent/CN112285377A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820467A (en) * | 2021-10-19 | 2021-12-21 | 福建水利电力职业技术学院 | Method and device for detecting health condition of river and lake water quality |
| CN114414832A (en) * | 2022-04-02 | 2022-04-29 | 山东省地质矿产勘查开发局第四地质大队(山东省第四地质矿产勘查院) | Hydrogeology reconnaissance water flow velocity of flow detection device |
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Application publication date: 20210129 |