CN216846377U

CN216846377U - Open channel flowmeter with adjustable width

Info

Publication number: CN216846377U
Application number: CN202220296883.5U
Authority: CN
Inventors: 韩明; 高进胜; 徐莎莎; 张天亮; 许瑞祥; 薛蕾; 肖远欢; 彭亮
Original assignee: Shandong Institute of Metrology
Current assignee: Shandong Institute of Metrology
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-06-28
Anticipated expiration: 2032-02-14

Abstract

The utility model discloses an open channel flowmeter of adjustable width relates to flow measurement technical field. The utility model discloses a first width regulating plate, bracing piece and ultrasonic flowmeter main part, first width regulating plate one end connect soon and be fixed with second width regulating plate, and first width regulating plate both ends are rotated and are connected with first rotor plate and second rotor plate, connect soon on the second rotor plate and are fixed with the bracing piece, and bracing piece outer peripheral face upper end welded fastening has the registration arm, and the bracing piece upper end connects soon and is fixed with the ultrasonic flowmeter main part. The utility model discloses a first width regulating plate, bracing piece and ultrasonic flowmeter main part, it is great to have solved the influence that current open channel flowmeter received the environment when installing, probably because the barrier leads to installing inconveniently, and the weir groove size just has been fixed when producer produces usually, probably because the error leads to causing the influence to in-service use, reduces measurement accuracy's problem.

Description

Open channel flowmeter with adjustable width

Technical Field

The utility model belongs to the technical field of flow measurement, especially, relate to an open channel flowmeter of adjustable width.

Background

An open channel flowmeter is a flow instrument for measuring free surface natural flow in a non-full tubular open channel, a waterway in which the non-full tubular flow flows is called an open channel, and is divided into an ultrasonic open channel flowmeter, a Doppler open channel flowmeter and a multichannel open channel flowmeter according to different measurement principles, and an open channel flowmeter monitoring system is suitable for flow measurement of rectangular, trapezoidal open channels and culverts such as reservoirs, rivers, hydraulic engineering, urban water supply, sewage treatment, farmland irrigation, water resources of water administration and the like, and the open channel flowmeter has the advantages of large measurement range, no influence of large changes of sediment, bubbles and water level of floating substances in water during measurement, small volume, convenience in installation, water level, mud level, over-flow-rate alarm function and the like, but still has the following defects in practical use:

1. the prior open channel flow meter mainly adopts the structure, flow and the like can be accurately measured, but in the actual use process, the weir groove used by the open channel flow meter is usually fixed, a user needs to communicate with a factory and make a decision, the consumed time is long, and the measurement of the size possibly has certain errors, so that the actual use possibly causes certain influence on the flow, the measurement precision is reduced, the weir groove cannot be reused, and manpower and material resources are wasted;

2. in the installation process of the existing open channel flowmeter, particularly when the open channel flowmeter is installed in a Parshall tank, the open channel flowmeter can only be installed at a fixed position, and the installation is difficult due to the influence of surrounding obstacles, so that the open channel flowmeter is greatly influenced by the environment and is inconvenient to use.

Therefore, the existing open channel flow meter with adjustable width can not meet the requirement in practical use, so that the market urgently needs improved technology to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an open channel flowmeter of adjustable width, through first width regulating plate, bracing piece and ultrasonic flowmeter main part, it is great to have solved the influence that current open channel flowmeter received the environment when installing, probably leads to the installation inconvenient because the barrier, and the weir groove size just has been fixed when producer produces usually, probably leads to causing the influence to in-service use because the error, reduces measurement accuracy's problem.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to an open channel flowmeter with adjustable width, which comprises a first width adjusting plate, a support rod and an ultrasonic flowmeter main body, wherein one end of the first width adjusting plate is screwed and fixed with a second width adjusting plate, the width of the utility model can be changed through the adjustment of the position between the first width adjusting plate and the second width adjusting plate, so that the utility model can adapt to water channels with different sizes, thereby improving the universality of the utility model, the two ends of the first width adjusting plate are rotatably connected with a first rotating plate and a second rotating plate, the rotation of the first rotating plate and the second rotating plate can be attached to two sides, avoiding the great influence on the flow due to the size incompatibility, improving the detection precision, the upper end of the second rotating plate is screwed and fixed with the support rod, the upper end of the support rod is welded and fixed with a positioning tube, the upper end of the support rod is screwed and fixed with the ultrasonic flowmeter main body, the ultrasonic flowmeter main part can be installed in the many places position of registration arm, and the bracing piece can be followed the second rotor plate and slided, makes the staff can be to the position of adjusting the installation of ultrasonic flowmeter main part as required when the installation, improves greatly the utility model discloses a flexibility.

Furthermore, first connecting plates are fixedly welded at two ends of the upper side of the first width adjusting plate, first fixing holes are formed in the upper ends of the first connecting plates in a penetrating mode, first fixing bolts are connected to the upper ends of the first fixing holes in a penetrating and screwing mode, the first rotating plate is rotatably connected to two ends of the first width adjusting plate, and a positioning plate is fixedly welded at the bottom end of one side of the first rotating plate;

first rotation board can rotate according to the shape of channel, makes it laminate in channel one side, avoids the utility model discloses and there is the gap to lead to flow measurement accuracy's decline between the channel, runs through the bolt and pegs graft in the position that the locating plate upside can be fixed first width regulating plate and first rotation board, improves the stability in the use.

Furthermore, a second connecting plate is fixedly welded at the upper end of one side of the second width adjusting plate, a second fixing hole is formed in the upper end of the second connecting plate in a penetrating mode, the second rotating plate is rotatably connected to the two ends of the second width adjusting plate, a positioning plate is fixedly welded at the bottom end of one side, located on the second connecting plate, of the second rotating plate, and a sliding groove is formed in the upper end of one side, located on the second connecting plate, of the second rotating plate;

the second rotor plate can rotate according to the shape of channel, makes it laminate in the channel opposite side, improves the utility model discloses and the laminating degree of channel, guarantee measuring precision, the bolt runs through to peg graft in the locating plate upside can fix the position of second width regulating plate and second rotor plate, improves the stability in the use, avoids leading to producing displacement or deformation because rivers erode for a long time.

Furthermore, a first connecting plate of the first width adjusting plate is attached to the upper side of a second connecting plate of the second width adjusting plate, a first fixing hole of the first connecting plate is attached to the upper side of a second fixing hole of the second connecting plate, and a first fixing bolt of the first connecting plate penetrates through and is screwed to the inner side of the second fixing hole;

connect the different positions that are fixed with first fixed orifices and second fixed orifices through first fixing bolt soon, can adjust the width between first width regulating plate and the second width regulating plate, make the utility model discloses can be applicable to not unidimensional ditch, improve greatly the utility model discloses a commonality.

Furthermore, a sliding plate is fixedly welded at the bottom end of the supporting rod, one end of the sliding plate is screwed with a positioning bolt, the sliding plate is attached to one side of the sliding groove of the second rotating plate, and the positioning bolt is screwed and fixed on the inner side of the sliding groove;

slide along the spout is inboard through the slide, can adjust the position of ultrasonic flowmeter main part installation, avoid because the surrounding environment causes the influence to the installation of ultrasonic flowmeter main part, improve the utility model discloses a flexibility.

Furthermore, an extension rod is clamped at the other end of the positioning tube relative to the support rod, third fixing holes are formed in the upper ends of the outer peripheral surfaces of the positioning tube and the extension rod in a penetrating mode, a control box is clamped and fixed at the upper end of the outer peripheral surface of the support rod, a box cover is clamped and fixed on one side of the control box, and a photovoltaic panel is clamped and fixed at the top end of the support rod;

the control box inboard contains control assembly and signalling subassembly, can carry out the analysis to the data that ultrasonic flowmeter main part measured to send to staff one end, can supply solar energy transformation for the electric energy through the photovoltaic board the utility model discloses use, energy-concerving and environment-protective, reduce the electric energy spending.

Furthermore, a support plate is screwed and fixed at the lower end of the outer peripheral surface of the main body of the ultrasonic flowmeter, a second fixing bolt is screwed and connected in a penetrating manner at the center of the upper side of the support plate, a nut is screwed and connected on the outer peripheral surface of the second fixing bolt, the nut is attached to the bottom end of the support plate, a through hole and a fourth fixing hole are arranged at the upper end of the support plate in a penetrating manner, the main body of the ultrasonic flowmeter is inserted and connected inside the through hole in a penetrating manner, a third fixing bolt is screwed and fixed inside the fourth fixing hole at the periphery of the bottom end of the main body of the ultrasonic flowmeter, and the second fixing bolt is screwed and connected inside the third fixing hole of the support rod in a penetrating manner;

the ultrasonic flowmeter main part can be installed in a plurality of positions of backup pad as required, and the backup pad can be installed in the different positions of registration arm or extension rod as required, makes the installation of ultrasonic flowmeter main part not influenced by the environment basically, improves the flexibility of using greatly, and can change the position of installation as required, and easy operation is convenient, reduces staff's intensity of labour.

The utility model discloses following beneficial effect has:

1. the utility model solves the problems that the weir groove used by the prior open channel flowmeter is usually fixed, a user needs to communicate with a factory and customize the weir groove, the consumed time is long, the measurement of the size possibly has certain errors, the actual use possibly causes certain influence on the flow, the measurement precision is reduced, the weir groove can not be reused, and manpower and material resources are wasted by arranging the first width adjusting plate, the weir groove is screwed and fixed at different positions of the first rotating plate and the second rotating plate through the first fixing bolt, the width between the first width adjusting plate and the second width adjusting plate can be adjusted, the universality of the utility model is improved, and the first rotating plate and the second rotating plate can rotate and be attached to both sides of a channel, the reduction of flow measurement precision caused by the existence of a gap between the weir groove and the channel is avoided.

2. The utility model solves the problems that the prior open channel flowmeter is not convenient to install by arranging the first width adjusting plate, the supporting plate and the main body of the ultrasonic flowmeter, particularly when the open channel meter is installed in a baschel tank, the open channel meter can generally only be installed in a fixed position, the installation is difficult, the influence of the environment is large and the use is inconvenient due to the influence of surrounding obstacles, the supporting rod can adjust the position at the upper end of the second rotating plate along the sliding groove, the supporting plate can be screwed and fixed at a plurality of positions of the positioning pipe or the extension rod, the main body of the ultrasonic flowmeter can be arranged at a plurality of positions of the supporting plate, the influence of the environment in the installation process is greatly reduced, the installation flexibility of the utility model is improved, and the position can be quickly adjusted according to the requirement after the installation is finished, so that the labor intensity of workers is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a structural effect diagram of the present invention;

FIG. 2 is a structural diagram of a first width adjustment plate of the present invention;

FIG. 3 is a structural view of the support rod of the present invention;

fig. 4 is a side view of the support rod of the present invention;

fig. 5 is a structural diagram of the ultrasonic flowmeter main body of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a first width adjustment plate; 101. a first rotating plate; 102. a second rotating plate; 103. a second width adjustment plate; 104. positioning a plate; 105. a chute; 106. a first connecting plate; 107. a second connecting plate; 108. a first fixing hole; 109. a second fixing hole; 110. a first fixing bolt; 2. a support bar; 201. a slide plate; 202. positioning the bolt; 203. a positioning tube; 204. an extension rod; 205. a third fixing hole; 206. a control box; 207. a photovoltaic panel; 208. a box cover; 3. an ultrasonic flow meter body; 301. a support plate; 302. a through hole; 303. a fourth fixing hole; 304. a second fixing bolt; 305. a nut; 306. and a third fixing bolt.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-5, the present invention relates to an open channel flowmeter with adjustable width, comprising a first width adjusting plate 1, a support rod 2 and an ultrasonic flowmeter body 3, wherein one end of the first width adjusting plate 1 is fixed with a second width adjusting plate 103 by screwing, the width of water flow can be changed by adjusting the position between the first width adjusting plate 1 and the second width adjusting plate 103, the present invention can be adapted to channels with different sizes, the two ends of the first width adjusting plate 1 are connected with a first rotating plate 101 and a second rotating plate 102 by rotating, the rotating of the first rotating plate 101 and the second rotating plate 102 can be attached to the two sides, avoiding the larger influence on the flow due to the size incompatibilities, the upper end of the second rotating plate 102 is fixed with the support rod 2 by screwing, the upper end of the outer peripheral surface of the support rod 2 is fixed with a positioning tube 203 by welding, the upper end of the support rod 2 is fixed with the ultrasonic flowmeter body 3 by screwing, the ultrasonic flowmeter main body 3 can be installed at a plurality of positions of the positioning pipe 203, and the support rod 2 can slide along the second rotating plate 102, so that when the ultrasonic flowmeter main body 3 is installed, the installation position of the ultrasonic flowmeter main body 3 can be adjusted as required by a worker, and the influence of the environment on the installation efficiency is reduced.

As shown in fig. 2, first connecting plates 106 are welded and fixed at two ends of the upper side of the first width adjusting plate 1, first fixing holes 108 are formed in the upper end of the first connecting plates 106 in a penetrating manner, first fixing bolts 110 are screwed in the upper ends of the first fixing holes 108 in a penetrating manner, the first rotating plates 101 are rotatably connected to two ends of the first width adjusting plate 1, positioning plates 104 are welded and fixed at the bottom ends of one sides of the first rotating plates 101, second connecting plates 107 are welded and fixed at the upper ends of one sides of the second width adjusting plates 103, second fixing holes 109 are formed in the upper ends of the second connecting plates 107 in a penetrating manner, the second rotating plates 102 are rotatably connected to two ends of the second width adjusting plate 103, positioning plates 104 are welded and fixed at the bottom ends of one sides of the second connecting plates 107 of the second rotating plates 102, and sliding grooves 105 are formed in the upper ends of one sides of the second connecting plates 107 of the second rotating plates 102;

first rotating plate 101 and second rotating plate 102 can rotate according to the shape of channel, make it laminate in the channel both sides, avoid the utility model discloses and there is the gap between the channel to lead to the decline of flow measurement precision, runs through to peg graft in locating plate 104 upside can fix the position of first width regulating plate 1 through the bolt.

As shown in fig. 1-2, the first connecting plate 106 of the first width adjustment plate 1 is attached to the upper side of the second connecting plate 107 of the second width adjustment plate 103, the first fixing hole 108 of the first connecting plate 106 is attached to the upper side of the second fixing hole 109 of the second connecting plate 107, and the first fixing bolt 110 of the first connecting plate 106 is screwed inside the second fixing hole 109;

connect the different positions that are fixed with first fixed orifices 108 and second fixed orifices 109 soon through first fixing bolt 110, can adjust the width between first width regulating plate 1 and the second width regulating plate 103, make the utility model discloses can be applicable to not unidimensional ditch.

As shown in fig. 1, 3 and 4, a sliding plate 201 is fixedly welded at the bottom end of a support rod 2, one end of the sliding plate 201 is screwed with a positioning bolt 202, the sliding plate 201 is attached to one side of a sliding groove 105 of a second rotating plate 102, the positioning bolt 202 is screwed and fixed to the inner side of the sliding groove 105, an extension rod 204 is clamped at the other end of the positioning tube 203 relative to the support rod 2, third fixing holes 205 are formed in the upper ends of the outer peripheral surfaces of the positioning tube 203 and the extension rod 204 in a penetrating manner, a control box 206 is clamped and fixed at the upper end of the outer peripheral surface of the support rod 2, a box cover 208 is clamped and fixed at one side of the control box 206, and a photovoltaic plate 207 is clamped and fixed at the top end of the support rod 2;

slide 201 slides along spout 105 inboard and fixes slide 201's position through positioning bolt 202, can adjust the position that ultrasonic flowmeter main part 3 installed, avoid causing the influence because the surrounding environment to the installation of ultrasonic flowmeter main part 3, control box 206 inboard contains control assembly and signalling subassembly, can carry out the analysis to the data that ultrasonic flowmeter main part 3 measured, and send to staff one end, and when needs carry out the periodic overhaul, can overhaul control box 206 inboard through opening case lid 208, can turn into solar energy into the electric energy through photovoltaic board 207 and supply the utility model discloses use, reduce the electric energy spending.

As shown in fig. 1 and 5, a support plate 301 is screwed and fixed to the lower end of the outer peripheral surface of the ultrasonic flowmeter main body 3, a second fixing bolt 304 is screwed and connected to the center of the upper side of the support plate 301, a nut 305 is screwed and connected to the outer peripheral surface of the second fixing bolt 304, the nut 305 is attached to the bottom end of the support plate 301, a through hole 302 and a fourth fixing hole 303 are formed in the upper end of the support plate 301, the ultrasonic flowmeter main body 3 is screwed and connected to the inner side of the through hole 302, a third fixing bolt 306 is screwed and connected to the periphery of the bottom end of the ultrasonic flowmeter main body 3, the third fixing bolt 306 is screwed and fixed to the inner side of the fourth fixing hole 303, and the second fixing bolt 304 is screwed and connected to the inner side of the third fixing hole 205 of the support rod 2;

the ultrasonic flowmeter body 3 can be mounted at a plurality of positions of the support plate 301 as required, and the support plate 301 can be mounted at different positions of the positioning pipe 203 or the extension rod 204 as required, so that the mounting of the ultrasonic flowmeter body 3 is not affected by the environment basically, and the mounting position can be changed as required, thereby reducing the labor intensity of workers.

One specific application of this embodiment is: it is right the utility model discloses when installing, make first fixing bolt 110 connect soon to be fixed in the corresponding position of first connecting plate 106 and second connecting plate 107 according to the width of channel to rotate first rotor plate 101 and second rotor plate 102 and make it laminate in the channel both sides, avoid because the utility model discloses and there is the decline that the gap leads to measurement accuracy between the channel, just the utility model discloses can install in the channel of multiple size inboardly, improve the commonality greatly, run through the bolt and peg graft in locating plate 104 upside can fix the position of first rotor plate 101 and second rotor plate 102, further improved the stability of first width regulating plate 1 in the use, avoid leading to because rivers wash for a long time the utility model discloses produce displacement or deformation, along spout 105 slip bracing piece 2 and connect soon fixedly through positioning bolt 202, tensile extension rod 204 connects soon backup pad 301 through second fixing bolt 304 and nut 305 and is fixed in locating tube 203 or extension rod 204 suitable for use Suitable position, be fixed in the backup pad 301 upside with ultrasonic flowmeter main part 3 through third fixing bolt 306, the influence that the environment caused to installation ultrasonic flowmeter main part 3 has been reduced, and can adjust ultrasonic flowmeter main part 3's position as required after the use that comes into operation fast, easy operation is nimble, staff's intensity of labour has been reduced, can monitor the flow in the ditch through ultrasonic flowmeter main part 3, and carry out analysis and sending with data transmission to control box 206, can supply solar energy transformation for the electric energy through photovoltaic board 207 the utility model discloses use, energy-concerving and environment-protective.

The above is only the preferred embodiment of the present invention, and the present invention is not limited thereto, any technical solutions recorded in the foregoing embodiments are modified, and some technical features thereof are replaced with equivalent ones, and any modification, equivalent replacement, and improvement made thereby all belong to the protection scope of the present invention.

Claims

1. The utility model provides an open channel flowmeter of adjustable width, includes first width regulating plate (1), bracing piece (2) and ultrasonic flowmeter main part (3), its characterized in that: first width regulating plate (1) one end connects soon and is fixed with second width regulating plate (103), first width regulating plate (1) both ends are rotated and are connected with first rotor plate (101) and second rotor plate (102), second rotor plate (102) upper end connects soon and is fixed with bracing piece (2), bracing piece (2) outer peripheral face upper end welded fastening has registration arm (203), bracing piece (2) upper end connects soon and is fixed with ultrasonic flowmeter main part (3).

2. The open channel flowmeter with the adjustable width as claimed in claim 1, wherein a first connecting plate (106) is welded and fixed to both ends of the upper side of the first width adjusting plate (1), a first fixing hole (108) is formed in the upper end of the first connecting plate (106) in a penetrating manner, a first fixing bolt (110) is screwed and connected to the upper end of the first fixing hole (108) in a penetrating manner, the first rotating plate (101) is rotatably connected to both ends of the first width adjusting plate (1), and a positioning plate (104) is welded and fixed to the bottom end of one side of the first rotating plate (101).

3. The open channel flowmeter with the adjustable width of claim 1, wherein a second connecting plate (107) is welded and fixed to the upper end of one side of the second width adjusting plate (103), a second fixing hole (109) is formed in the upper end of the second connecting plate (107) in a penetrating mode, the second rotating plate (102) is rotatably connected to two ends of the second width adjusting plate (103), a positioning plate (104) is welded and fixed to the bottom end of one side of the second connecting plate (107) of the second rotating plate (102), and a sliding groove (105) is formed in the upper end of one side of the second connecting plate (107) of the second rotating plate (102).

4. The adjustable-width open channel flow meter according to claim 1, wherein the first connecting plate (106) of the first width adjustment plate (1) is attached to the upper side of the second connecting plate (107) of the second width adjustment plate (103), the first fixing hole (108) of the first connecting plate (106) is attached to the upper side of the second fixing hole (109) of the second connecting plate (107), and the first fixing bolt (110) of the first connecting plate (106) is screwed inside the second fixing hole (109).

5. The open channel flowmeter with the adjustable width as claimed in claim 1, wherein a sliding plate (201) is welded and fixed to the bottom end of the support rod (2), a positioning bolt (202) is screwed to one end of the sliding plate (201), the sliding plate (201) is attached to one side of the sliding groove (105) of the second rotating plate (102), and the positioning bolt (202) is screwed and fixed to the inner side of the sliding groove (105).

6. The open channel flowmeter of claim 1, wherein an extension rod (204) is fastened to the other end of the positioning tube (203) opposite to the support rod (2), third fixing holes (205) are formed in the upper ends of the outer peripheral surfaces of the positioning tube (203) and the extension rod (204) in a penetrating manner, a control box (206) is fastened and fixed to the upper end of the outer peripheral surface of the support rod (2), a box cover (208) is fastened and fixed to one side of the control box (206), and a photovoltaic panel (207) is fastened and fixed to the top end of the support rod (2).

7. The adjustable width open channel flow meter of claim 1, the lower end of the outer peripheral surface of the ultrasonic flowmeter main body (3) is screwed and fixed with a support plate (301), a second fixing bolt (304) penetrates through the center of the upper side of the supporting plate (301) in a screwing way, the outer peripheral surface of the second fixing bolt (304) is screwed with a nut (305), the nut (305) is attached to the bottom end of the supporting plate (301), the upper end of the supporting plate (301) is provided with a through hole (302) and a fourth fixing hole (303) in a penetrating way, the ultrasonic flowmeter main body (3) penetrates through and is inserted into the inner side of the through hole (302), the periphery of the bottom end of the ultrasonic flowmeter main body (3) is screwed with a third fixing bolt (306), the third fixing bolt (306) is screwed and fixed at the inner side of the fourth fixing hole (303), the second fixing bolt (304) penetrates through and is screwed inside the third fixing hole (205) of the support rod (2).