CN213456989U - Portable engineering measuring tool for water conservancy and hydropower - Google Patents
Portable engineering measuring tool for water conservancy and hydropower Download PDFInfo
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- CN213456989U CN213456989U CN202022865748.1U CN202022865748U CN213456989U CN 213456989 U CN213456989 U CN 213456989U CN 202022865748 U CN202022865748 U CN 202022865748U CN 213456989 U CN213456989 U CN 213456989U
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Abstract
The utility model belongs to the technical field of water conservancy water and electricity, and a portable engineering measuring tool is used to water conservancy water and electricity is disclosed, the measuring instrument comprises an instrument body, the bottom fixed mounting of instrument body has the telescopic link, the bottom fixed mounting of telescopic link has the mount, the inboard bottom fixed mounting of mount has the measuring chamber, the both sides of measuring chamber are all fixed the intercommunication and are had the honeycomb duct. The utility model discloses a filter screen can keep off outside with a class of debris of large granule stone or pasture and water, make its inside that can't enter into measuring tool through the baffle, if some solid-like debris go into stone and vertical etc, then can upwards roll out the filter screen along the inclined plane of baffle owing to the unique toper structure of baffle, can not be detained on the surface of baffle, ensured that large granule impurity can not be because the entering tool is inside and exert an influence to the measuring result, and the inner structure of effectively having protected the instrument does not receive large granule impurity's wearing and tearing, the situation of instrument inner chamber production jam has been stopped.
Description
Technical Field
The utility model belongs to the technical field of water conservancy water and electricity, specifically a portable engineering measuring tool is used to water conservancy water and electricity.
Background
The flow velocity of water is measured by using a special flow velocity meter (rotor flow meter), the flow velocity multiplied by the sectional area is the flow of water, the rotor flow meter is used for measuring the flow of fluid according to the throttling principle, but the flow velocity meter changes the flow area of the fluid to keep the pressure difference between the upper part and the lower part of a rotor constant, so the rotor flow meter is also called as a variable flow area constant differential pressure flow meter and is also called as a float flow meter, and the rotor flow meter is the most common flow meter in industry and laboratories, and has the advantages of simple structure, intuition, small pressure loss, convenient maintenance and portability due to small volume.
The existing tool for measuring the water flow rate has the defects that the existing tool for measuring the water flow rate is to be improved, the existing tool can be used for measuring the water flow rate in different water areas, including water areas with higher pollution, the water areas contain a lot of impurities, and the measuring result cannot be greatly influenced by fine silt, but the existing tool can meet some large-particle impurities, such as stones, verticality, plastic bags and the like, so that the existing tool not only can produce larger errors on the measuring result, but also can be clamped in the measuring tool, and the measuring damage and other adverse effects can be caused.
And existing measuring tools are generally electronic devices whose conditions of use are greatly limited by the environment, for example, power failure or exposure to moisture rendering them useless, an alternative measuring solution is needed and may exhibit good utility in any situation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at above problem, the utility model provides a portable engineering measuring tool is used to water conservancy water and electricity has the advantage of filtering large granule impurity, protection tool inner structure and not receive damage and the stronger measurement scheme of suitability.
In order to achieve the above object, the utility model provides a following technical scheme: a portable engineering measuring tool for water conservancy and hydropower comprises an instrument body, wherein a telescopic rod is fixedly arranged at the bottom of the instrument body, a fixed frame is fixedly arranged at the bottom of the telescopic rod, a measuring chamber is fixedly arranged at the bottom of the inner side of the fixed frame, guide pipes are fixedly communicated with the two sides of the measuring chamber, the left side of each guide pipe is fixedly communicated with an inlet pipe, a snap ring is fixedly arranged at the left end of each inlet pipe, a filter screen is fixedly clamped at the left end of the snap ring, an outlet pipe is fixedly communicated with the right end of each guide pipe at the right side of the snap ring, a counter is fixedly arranged at the front part of the measuring chamber, rotating blades are fixedly arranged in an inner cavity of the measuring chamber, the rotating blades are fixedly connected with the counter, the counter is electrically connected with the instrument body, the counter is connected with the rotating blades, the flow speed of the whole water flow flowing through the water flow is judged by the rotation number of the water flow in unit time.
As a preferred technical scheme of the utility model, the right-hand member fixed mounting of outlet pipe has the baffle, the outside fixed mounting of baffle has the pressure pipe, the guiding gutter has been seted up to the surface of pressure pipe, piston and spring have been cup jointed in the inside activity of pressure pipe, both ends difference fixed connection in piston and pressure pipe about the spring.
As a preferred technical scheme of the utility model, the filter screen includes the top, the right side fixed mounting of top has the baffle, the right-hand member fixed mounting of baffle has the buckle, buckle and the fixed joint of snap ring.
As a preferred technical scheme of the utility model, the inside of measuring chamber is a cross-section for the space of rectangle, the inner chamber of honeycomb duct is the space that a circular gradual change is the rectangle, and rotating vane's blade is the rectangle, and rivers flow in the inner chamber of rectangle its can take place the complete contact with the blade of rectangle to this ensures that the impact force of rivers can promote rotating vane to rotate fast.
As a preferred technical proposal of the utility model, the baffle is a semicircular plate, a circular through hole is arranged at the joint of the surface of the baffle and the pressure pipe, the upper half part of the outlet at the right end of the outlet pipe is shielded by the baffle plate and the lower half part is in an open state, the cross section area of the left end passage of the inlet pipe is the same as that of the lower half part of the right end passage of the outlet pipe, most of water flows out of the lower part of the outlet pipe, but still some water flow can directly impact the piston at the upper half part, the piston is impacted by the water flow to press the spring to contract, the piston generates displacement along the water flow direction, the flow rate of the water flow is higher, the displacement of the piston is higher, when the piston is displaced to the diversion trench, the water flow finally flows out of the diversion trench, meanwhile, the displacement degree of the inner piston can be observed through the diversion trench, so that the flow velocity of water flow can be roughly judged.
As a preferred technical scheme of the utility model, the appearance that the whole frame that the baffle constitutes is the cone, the buckle is provided with four altogether, because the direction of rivers should be in opposite directions and parallel with the most advanced direction of filter screen, so rivers have inevitably when coming partially can be blockked by the filter screen and have influenced discharge, in order to guarantee that the inside velocity of water and the outside velocity of water are the same at the measuring chamber, then need keep the front and back discharge as far as possible the same, so it is the prerequisite to guarantee that the left end passage sectional area size of inlet tube is the same with the right-hand member latter half area of outlet pipe.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a filter screen can keep off outside with a class of debris of large granule stone or pasture and water, make its inside that can't enter into measuring tool through the baffle, if some solid-like debris go into stone and vertical etc, then can upwards roll out the filter screen along the inclined plane of baffle owing to the unique toper structure of baffle, can not be detained on the surface of baffle, ensured that large granule impurity can not be because the entering tool is inside and exert an influence to the measuring result, and the inner structure of effectively having protected the instrument does not receive large granule impurity's wearing and tearing, the situation of instrument inner chamber production jam has been stopped.
2. The utility model discloses a rivers strike the piston and can oppress the spring shrink, the piston produces the displacement along the rivers direction, the velocity of flow of rivers is big more, the displacement volume of piston just is big more, can observe the displacement degree of inside piston through the guiding gutter simultaneously, the staff can be in the condition that loses electronic equipment support according to the velocity of flow of the rough judgement rivers of the displacement degree of range estimation piston, this structure has improved the practicality of equipment, the staff still can measure under the emergency condition that loses electronic equipment, and the work efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention showing a partially exploded structure;
FIG. 3 is a schematic view of the present invention showing a partial exploded structure;
FIG. 4 is a schematic structural view of the filter screen of the present invention;
fig. 5 is a front view of an inlet tube of the present invention.
In the figure: 1. an instrument body; 2. a telescopic rod; 3. a fixed mount; 4. a measurement chamber; 5. a flow guide pipe; 6. an inlet tube; 7. a filter screen; 701. ejecting the head; 702. a guide plate; 703. buckling; 8. an outlet pipe; 9. a pressure pipe; 10. a baffle plate; 11. a rotor blade; 12. a counter; 13. a piston; 14. a diversion trench; 15. a snap ring; 16. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in figures 1 to 5, the utility model provides a portable engineering measuring tool for water conservancy and hydropower, which comprises an instrument body 1, a telescopic rod 2 is fixedly arranged at the bottom of the instrument body 1, a fixed frame 3 is fixedly arranged at the bottom of the telescopic rod 2, a measuring chamber 4 is fixedly arranged at the bottom of the inner side of the fixed frame 3, guide pipes 5 are fixedly communicated with both sides of the measuring chamber 4, an inlet pipe 6 is fixedly communicated with the left side surface of the guide pipe 5 at the left side, a snap ring 15 is fixedly arranged at the left end of the inlet pipe 6, a filter screen 7 is fixedly clamped at the left end of the snap ring 15, an outlet pipe 8 is fixedly communicated with the right end of the guide pipe 5 at the right side, a counter 12 is fixedly arranged at the front part of the measuring chamber 4, rotating blades 11 are fixedly arranged in the inner cavity of the measuring chamber 4, the rotating, during the rotation of the rotor blade 11, the counter 12 may be a number of revolutions of the rotor blade 11, and the flow rate of the whole water flow is determined by the number of revolutions per unit time.
Wherein, outlet pipe 8's right-hand member fixed mounting has baffle 10, and baffle 10's outside fixed mounting has pressure pipe 9, and guiding gutter 14 has been seted up to pressure pipe 9's surface, and piston 13 and spring 16 have been cup jointed in pressure pipe 9's inside activity, and both ends difference fixed connection is in piston 13 and pressure pipe 9 about spring 16.
The filter screen 7 comprises a top 701, a guide plate 702 is fixedly mounted on the right side of the top 701, a buckle 703 is fixedly mounted at the right end of the guide plate 702, and the buckle 703 is fixedly clamped with the snap ring 15.
The inside of the measuring chamber 4 is a space with a rectangular cross section, the inner cavity of the draft tube 5 is a space with a circular gradually changing shape into a rectangular shape, the blades of the rotating blades 11 are rectangular, and water flow flowing in the rectangular inner cavity can be in complete contact with the rectangular blades, so that the impact force of the water flow can push the rotating blades 11 to rotate rapidly.
Wherein, the baffle 10 is a semicircular plate, a circular through hole is arranged on the surface of the baffle 10 at the joint of the baffle 10 and the pressure pipe 9, the upper half part of the outlet at the right end of the outlet pipe 8 is shielded by the baffle 10, the lower half part is in an open state, the cross section area of the left end passage of the inlet pipe 6 is the same as that of the lower half part of the right end passage of the outlet pipe 8, most of water flows out from the lower part of the outlet pipe 8, but still some water flow can directly impact the piston 13 in the upper half part, the piston 13 is impacted by the water flow to press the spring 16 to contract, the piston 13 generates displacement along the water flow direction, the larger the flow rate of the water flow is, the larger the displacement of the piston 13 is, when the piston 13 is displaced to the diversion trench 14, the water flow finally flows out from the diversion trench 14, meanwhile, the displacement degree of the inner piston 13 can be observed through the diversion trench 14, so that the flow speed of the water flow can be roughly judged.
Wherein, the appearance that the whole frame that baffle 702 constitutes is the cone, buckle 703 is provided with four altogether, because the direction of rivers should be in opposite directions and parallel with the most advanced direction of filter screen 7, thereby the rivers have necessarily when coming partly can be blockked by filter screen 7 and have influenced discharge, in order to guarantee that the inside velocity of water flow in measuring chamber 4 is the same with outside velocity of water flow, then need keep the front and back discharge as far as possible the same, so it is the prerequisite to guarantee that the left end passage sectional area size of inlet tube 6 is the same with the right-hand member latter half passage area of outlet tube 8.
The utility model discloses a theory of operation and use flow:
when the measurement is started, the whole measuring tool is completely immersed in water, the tip direction of the filter screen 7 is opposite to the flow direction of water, impurities such as large-particle stones or aquatic weeds are blocked by the guide plate 702 and cannot enter the measuring tool through the guide plate 702, and if the impurities are solid-like impurities such as stones and vertical impurities, the impurities roll out of the filter screen 7 upwards along the inclined plane of the guide plate 702 due to the unique conical structure of the guide plate 702 and cannot be retained on the surface of the guide plate 702.
Part of water flow can directly impact the piston 13 at the upper half part, the piston 13 is impacted by the water flow to press the spring 16 to contract, the piston 13 generates displacement along the water flow direction, the flow rate of the water flow is higher, the displacement of the piston 13 is higher, when the piston 13 displaces to the diversion trench 14, the water flow finally flows out of the diversion trench 14, and the displacement degree of the inner piston 13 can be observed through the diversion trench 14, so that the flow rate of the water flow is roughly judged, the supporting force of the spring 16 with different stiffness coefficients for the piston 13 is different, so that the displacement generated under the same flow rate of the piston 13 is different, a worker can replace the piston according to the field environment, and the piston has certain visual estimation capability and needs certain experience support.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a portable engineering measuring tool is used to water conservancy water and electricity, includes instrument body (1), its characterized in that: the measuring instrument is characterized in that a telescopic rod (2) is fixedly mounted at the bottom of the instrument body (1), a fixing frame (3) is fixedly mounted at the bottom of the telescopic rod (2), a measuring chamber (4) is fixedly mounted at the inner side of the fixing frame (3), guide pipes (5) are fixedly communicated with the two sides of the measuring chamber (4), an inlet pipe (6) is fixedly communicated with the left side surface of each guide pipe (5), a clamping ring (15) is fixedly mounted at the left end of each inlet pipe (6), a filter screen (7) is fixedly clamped at the left end of each clamping ring (15), an outlet pipe (8) is fixedly communicated with the right end of each guide pipe (5) at the right side, a counter (12) is fixedly mounted at the front part of the measuring chamber (4), rotating blades (11) are fixedly mounted in an inner cavity of the measuring chamber (4), and the, the counter (12) is electrically connected with the instrument body (1).
2. The portable engineering measurement tool for water conservancy and hydropower of claim 1, which is characterized in that: the right-hand member fixed mounting of outlet pipe (8) has baffle (10), the outside fixed mounting of baffle (10) has pressure pipe (9), guiding gutter (14) have been seted up to the surface of pressure pipe (9), piston (13) and spring (16) have been cup jointed in the inside activity of pressure pipe (9), both ends difference fixed connection is in piston (13) and pressure pipe (9) about spring (16).
3. The portable engineering measurement tool for water conservancy and hydropower of claim 1, which is characterized in that: the filter screen (7) comprises a top head (701), a guide plate (702) is fixedly mounted on the right side of the top head (701), a buckle (703) is fixedly mounted at the right end of the guide plate (702), and the buckle (703) is fixedly clamped with a clamping ring (15).
4. The portable engineering measurement tool for water conservancy and hydropower of claim 1, which is characterized in that: the inside of the measuring chamber (4) is a space with a rectangular cross section, and the inner cavity of the flow guide pipe (5) is a space with a circular gradually changing shape into a rectangular shape.
5. The portable engineering measurement tool for water conservancy and hydropower of claim 2, which is characterized in that: baffle (10) are a semicircle board, a circular through-hole has been seted up in the junction with pressure pipe (9) on the surface of baffle (10), the first half is sheltered from and the lower half is the state of opening by baffle (10) in the right-hand member exit of outlet pipe (8), the left end access sectional area size of inlet tube (6) is the same with the right-hand member latter half access area of outlet pipe (8).
6. A portable engineering measurement tool for water conservancy and hydropower according to claim 3, wherein: the shape of the integral frame formed by the guide plates (702) is a cone, and the number of the buckles (703) is four.
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CN202022865748.1U CN213456989U (en) | 2020-12-02 | 2020-12-02 | Portable engineering measuring tool for water conservancy and hydropower |
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CN202022865748.1U CN213456989U (en) | 2020-12-02 | 2020-12-02 | Portable engineering measuring tool for water conservancy and hydropower |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN116293470A (en) * | 2023-05-23 | 2023-06-23 | 安徽宏远水务科技有限公司 | Water supply network subregion measurement integration management system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN116293470A (en) * | 2023-05-23 | 2023-06-23 | 安徽宏远水务科技有限公司 | Water supply network subregion measurement integration management system |
CN116293470B (en) * | 2023-05-23 | 2023-08-11 | 安徽宏远水务科技有限公司 | Water supply network subregion measurement integration management system |
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