CN214471107U - Triangular weir box with high measurement precision - Google Patents

Abstract

The utility model discloses a higher triangle weir box of measurement accuracy relates to hydrogeology technical field, including triangle weir box, the middle part fixedly connected with guide block of link, the outside fixedly connected with connecting rod of lifter, the last fixed surface of triangle weir box is connected with the support, and the surface transmission of action wheel is connected with the drive belt, and the outside transmission of pulley is connected with the rope, rope other end fixedly connected with spool, the lower part threaded connection of crank has the screw rod. The utility model discloses a set up link, guide block, lifter, floating block, connecting rod and instruction arrow point, though when the surface of water is unstable, also can get easily and cross the water section height, reduce the human factor simultaneously, different people's reading also does not have too big deviation to improve measurement accuracy, through setting up crank, screw rod, action wheel, drive belt, from driving wheel, spool, rope and pulley, conveniently clear up it, reduce the clearance degree of difficulty.

Description

Triangular weir box with high measurement precision

Technical Field

The utility model relates to a hydrogeology technical field specifically is a higher triangle weir box of measurement accuracy.

Background

The weir is an overflow weir disposed in the channel or trough for measuring the flow of water. The thin-wall weir is a current measuring facility which is earliest in use and has higher precision, is simple to manufacture, easy to install and lower in manufacturing cost, and is widely applied to hydraulics, hydraulic laboratories and irrigation and drainage channels. The triangular weir is one of thin-wall weirs, and has the greatest advantages that the small water head water surface width is small, the small change of the flow rate can cause larger water head change, and when Q is less than 0.1m3/s, higher precision can be obtained. At present, the triangular weir box is generally applied when the flow is measured in a field low-flow water pumping well, and the fixed integrated triangular weir box is used.

At present, the current triangle weir box is in the test process of actually drawing water, because the surface of water is unstable, the difficult volume of getting is crossed the water section height, the human factor is great simultaneously, different people's reading is different, cause great error, the triangle weir box has silt impurity to sink at the bottom of the case after using in addition, the clearance degree of difficulty is great, consequently certain improvement space still, there is the inconvenient problem of clearing up of certain reading error and the silt impurity in the triangle weir box in the test process of actually drawing water of current triangle weir box.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a higher triangle weir box of measurement accuracy has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: comprises a triangular weir box, wherein the upper surface of the triangular weir box is fixedly connected with a connecting frame, the middle part of the connecting frame is fixedly connected with a guide block, the inside of the guide block is slidably connected with a lifting rod, the outside of the lifting rod is fixedly connected with a connecting rod, the two ends of the connecting rod are fixedly connected with indicating arrows, the lower end of the connecting rod is rotatably connected with a floating block through a rotating shaft, the upper surface of the triangular weir box is fixedly connected with a support, the inside of the support is rotatably connected with a pulley through the rotating shaft, the outside of the pulley is in transmission connection with a rope, one end of the rope is fixedly connected with a bottom plate, the other end of the rope is fixedly connected with a winding shaft, one end of the winding shaft is fixedly connected with a driven wheel, the back of the triangular weir box is rotatably connected with a driving wheel through the rotating shaft, the outer surface of the driving wheel is in transmission connection with a transmission belt, the outside of the driving wheel is fixedly connected with a crank, the lower part of the crank is in threaded connection with a screw.

Optionally, the two sides of the connecting frame are fixedly provided with water volume scales, the connecting frame is U-shaped, the upper end of the lifting rod is fixedly connected with a stop block, and the upper surface of the guide block abuts against the lower surface of the stop block.

Optionally, a water outlet is formed in the front face of the triangular weir box, the water outlet is triangular, and the lower surface of the floating block abuts against the bottom of the water outlet.

Optionally, the lower surface of the bottom plate abuts against the inner bottom wall of the triangular weir box, and the inner surface of the triangular weir box is connected with the bottom plate in a sliding manner.

Optionally, the outer fixed surface of triangle weir box is connected with the mounting bracket, the both sides of spool rotate with the mounting bracket to be connected, the internal surface of drive belt with from driving wheel transmission connection.

Optionally, one end of the screw rod abuts against the back of the triangular weir box, and one end of the screw rod is fixedly connected with a rotating handle.

Advantageous effects

The utility model provides a higher triangle weir box of measurement accuracy possesses following beneficial effect:

1. this triangle weir box that measurement accuracy is higher, through setting up the link, the guide block, the lifter, the floating block, connecting rod and instruction arrow point, can float the floating block when rivers flow from delivery port department, and drive through lifter and connecting rod and instruct the arrow point in the outside lift slip of water yield scale, the scale that user's accessible instructed on the water yield scale that the arrow point corresponds is surveyd and is read data, although when the surface of water is unstable, also can measure easily and cross the water section height, reduce the human factor simultaneously, different people's reading also can not too big deviation, thereby improve measurement accuracy.

2. This higher triangle weir box of measurement accuracy, through setting up the crank, the screw rod, the action wheel, the drive belt, from the driving wheel, the spool, rope and pulley, wave crank accessible action wheel, the drive belt with drive the spool rotation from the driving wheel, thereby twine the rope on the spool, and the pulling bottom plate upwards slides, and make its one end sticis the surface at triangle weir box through rotating the screw rod, fix the crank, thereby rise remaining silt impurity on the bottom plate, and conveniently clear up it, reduce the clearance degree of difficulty.

Drawings

FIG. 1 is a schematic view of the front perspective structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the rear perspective structure of the present invention;

fig. 4 is a schematic view of the front view structure of the present invention.

In the figure: 1. a triangular weir box; 2. a base plate; 3. a lifting rod; 4. floating blocks; 5. a water outlet; 6. a connecting rod; 7. an arrow is indicated; 8. a water quantity scale; 9. a connecting frame; 10. a guide block; 11. a stopper; 12. a support; 13. a pulley; 14. a rope; 15. a spool; 16. a mounting frame; 17. a transmission belt; 18. a driven wheel; 19. a driving wheel; 21. a crank; 22. a screw.

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.

Referring to fig. 1 to 4, the present invention provides a technical solution: a triangular weir box with high measurement precision comprises a triangular weir box 1, wherein the upper surface of the triangular weir box 1 is fixedly connected with a connecting frame 9, the middle part of the connecting frame 9 is fixedly connected with a guide block 10, both sides of the connecting frame 9 are fixedly provided with water volume scales 8, the connecting frame 9 is U-shaped, the upper end of a lifting rod 3 is fixedly connected with a stop block 11, the upper surface of the guide block 10 is abutted against the lower surface of the stop block 11, the lifting rod 3 is slidably connected inside the guide block 10, the outer part of the lifting rod 3 is fixedly connected with a connecting rod 6, both ends of the connecting rod 6 are fixedly connected with indicating arrows 7, the lower end of the connecting rod 6 is rotatably connected with a floating block 4 through a rotating shaft, the front surface of the triangular weir box 1 is provided with a water outlet 5, the water outlet 5 is triangular, the lower surface of the floating block 4 is abutted against the bottom of the water outlet 5, the upper surface of the triangular weir box 1 is fixedly connected with a support 12, the inside of the support 12 is rotatably connected with a pulley 13 through the rotating shaft, pulley 13's external transmission is connected with rope 14, rope 14's one end fixedly connected with bottom plate 2, bottom plate 2's lower surface butt in the interior diapire of triangle weir box 1, the internal surface and the 2 sliding connection of bottom plate of triangle weir box 1, rope 14 other end fixedly connected with spool 15, spool 15's one end fixedly connected with follows driving wheel 18, triangle weir box 1's external surface fixedly connected with mounting bracket 16, spool 15's both sides are rotated with mounting bracket 16 and are connected, driving belt 17's internal surface and follow driving wheel 18 transmission are connected, triangle weir box 1's the back is rotated through the pivot and is connected with action wheel 19, action wheel 19's external surface transmission is connected with drive belt 17, action wheel 19's external fixedly connected with crank 21, crank 21's lower part threaded connection has screw rod 22, screw rod 22's one end butt in triangle weir box 1's the back, screw rod 22's one end fixedly connected with rotates the handle.

When the water level measuring device is used, water is injected into the triangular weir box 1 from the rear part of the triangular weir box 1, when water flows out of the water outlet 5, the floating block 4 can float, the lifting rod 3 is driven to slide upwards in the guide block 10, and the indication arrow 7 is driven to slide up and down outside the water quantity scale 8 through the connecting rod 6, a user can observe and read data through the scales on the water quantity scale 8 corresponding to the indication arrow 7, although the water level is unstable, the water level height can be easily measured, meanwhile, human factors are reduced, and different people do not have too large deviation in reading, so that the measuring precision is improved; the accessible shakes crank 21 with the hand to drive action wheel 19 and rotates, action wheel 19 rotates through drive belt 17 and spool 15 that drives both sides from driving wheel 18 again, and twine rope 14 on spool 15, thereby pulling bottom plate 2 upwards slides in triangle weir box 1, when rising suitable height, make its one end sticis the surface at triangle weir box 1 through rotating screw rod 22, fix crank 21, thereby rise remaining silt impurity on bottom plate 2, and conveniently clear up it, reduce the clearance degree of difficulty.

To sum up, the utility model discloses a set up link 9, guide block 10, lifter 3, floating block 4, connecting rod 6 and instruction arrow 7, can float floating block 4 when rivers flow from delivery port 5, and drive instruction arrow 7 through connecting rod 6 and go up and down the slip in the outside of water yield scale 8, user's accessible instructs the scale on the water yield scale 8 that arrow 7 corresponds to observe and read data, even when the surface of water is unstable, also can easily measure the cross section height of crossing, reduce the human factor simultaneously, different people's readings also do not have too big deviation, thereby improve measurement accuracy, through setting up crank 21, screw rod 22, action wheel 19, drive belt 17, follow driving wheel 18, bobbin 15, rope 14 and pulley 13, crank 21 accessible action wheel 19 shakes, drive belt 17 and follow driving wheel 18 and drive bobbin 15 and rotate, thereby twine rope 14 on bobbin 15, and the bottom plate 2 is pulled to slide upwards, one end of the bottom plate is tightly pressed on the outer surface of the triangular weir box 1 by rotating the screw 22, and the crank 21 is fixed, so that the residual silt impurities on the bottom plate 2 are lifted, the bottom plate is convenient to clean, and the cleaning difficulty is reduced.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a triangle weir box that measurement accuracy is higher, includes triangle weir box (1), its characterized in that: the upper surface of the triangular weir box (1) is fixedly connected with a connecting frame (9), the middle part of the connecting frame (9) is fixedly connected with a guide block (10), the inside of the guide block (10) is slidably connected with a lifting rod (3), the outside of the lifting rod (3) is fixedly connected with a connecting rod (6), the two ends of the connecting rod (6) are fixedly connected with indication arrows (7), the lower end of the connecting rod (6) is rotatably connected with a floating block (4) through a rotating shaft, the upper surface of the triangular weir box (1) is fixedly connected with a support (12), the inside of the support (12) is rotatably connected with a pulley (13) through a rotating shaft, the outside of the pulley (13) is in transmission connection with a rope (14), one end of the rope (14) is fixedly connected with a bottom plate (2), the other end of the rope (14) is fixedly connected with a winding shaft (15), one end of the winding shaft (15) is fixedly connected with a driven wheel (18), the back of triangle weir box (1) rotates through the pivot and is connected with action wheel (19), the surface transmission of action wheel (19) is connected with drive belt (17), the outside fixedly connected with crank (21) of action wheel (19), the lower part threaded connection of crank (21) has screw rod (22).

2. The triangular weir box with high measurement accuracy of claim 1, wherein: the water gauge (8) is fixedly mounted on two sides of the connecting frame (9), the connecting frame (9) is U-shaped, the stop block (11) is fixedly connected to the upper end of the lifting rod (3), and the upper surface of the guide block (10) abuts against the lower surface of the stop block (11).

3. The triangular weir box with high measurement accuracy of claim 1, wherein: the front surface of the triangular weir box (1) is provided with a water outlet (5), the water outlet (5) is triangular, and the lower surface of the floating block (4) is abutted to the bottom of the water outlet (5).

4. The triangular weir box with high measurement accuracy of claim 1, wherein: the lower surface butt of bottom plate (2) in the interior diapire of triangle weir box (1), the internal surface and the bottom plate (2) sliding connection of triangle weir box (1).

5. The triangular weir box with high measurement accuracy of claim 1, wherein: the outer fixed surface of triangle weir box (1) is connected with mounting bracket (16), the both sides and mounting bracket (16) of spool (15) are rotated and are connected, the internal surface and the driven round of (18) transmission of drive belt (17) are connected.

6. The triangular weir box with high measurement accuracy of claim 1, wherein: one end of the screw rod (22) is abutted to the back face of the triangular weir box (1), and one end of the screw rod (22) is fixedly connected with a rotating handle.

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