CN115963290A - Buoy type water surface flow velocity measuring equipment - Google Patents

Abstract

The invention relates to the technical field of water surface flow velocity measuring equipment, in particular to buoy type water surface flow velocity measuring equipment. Provided is a float-type water surface flow velocity measuring device which can float on the water surface for a long time and can detect the flow velocity of water flow for a long time. The utility model provides a buoy type surface of water velocity of flow measuring equipment, is including mounting bracket, first link, gasbag, velocity of flow detection mechanism and anchor stabilizing mean down, and the mounting bracket left and right sides all is connected with first link, and one side that first link was kept away from each other all is connected with two gasbags, is equipped with velocity of flow detection mechanism on the mounting bracket, is equipped with anchor stabilizing mean down on the mounting bracket. According to the invention, the mounting frame floats on the water surface through the air bag, and the flow velocity detector is used for calculating and measuring the flow velocity of the water surface for a long time, so that the accuracy of measurement is improved, and the flow velocity change trend of water flow can be calculated.

Description

Buoy type water surface flow velocity measuring equipment

Technical Field

The invention relates to the technical field of water surface flow velocity measuring equipment, in particular to buoy type water surface flow velocity measuring equipment.

Background

The current measuring method is that when measuring the water flow velocity, the measuring method can measure the flow velocity of water, and the water area environment and the hydrological condition, the flow velocity of water needs to be measured, and the detection method of the flow velocity is various, wherein the flow velocity is detected by a flow velocity meter, the measuring result can be more accurate, and the flow can be calculated by the product of the flow velocity and the cross-sectional area of water, and in a constant river, the flow velocity of water is more balanced, and in a non-constant river, the flow velocity can not be accurately determined by measurement in a short time.

Therefore, a float-type water surface flow velocity measuring device capable of floating on the water surface for a long time and detecting the flow velocity of water flow for a long time has been developed.

Disclosure of Invention

In order to overcome the defect that the existing device can not accurately measure the water surface with unstable flow rate, and the cost can be increased if additionally erecting facilities, the buoy type water surface flow rate measuring equipment can float on the water surface for a long time and can detect the flow rate of water flow for a long time.

The technical scheme is as follows: the utility model provides a buoy type surface of water velocity of flow measuring equipment, is including mounting bracket, first link, gasbag, velocity of flow detection mechanism and anchor stabilizing mean down, and the mounting bracket left and right sides all is connected with first link, and one side that first link was kept away from each other all is connected with two gasbags, is equipped with the velocity of flow detection mechanism that is used for carrying out the detection to the velocity of flow on the mounting bracket, is equipped with on the mounting bracket to be used for keeping the mounting bracket to float stable anchor stabilizing mean down.

Further, the flow velocity detection mechanism comprises a second connecting frame, a first rotating frame, a flow velocity detector and a water collecting frame, the bottom of the mounting frame is connected with the second connecting frame, the second connecting frame is rotatably connected with the first rotating frame, the bottom of the first rotating frame is connected with the flow velocity detector, and the front side of the flow velocity detector is connected with the water collecting frame.

Further, lower anchor stabilizing mean is including first mount, first wire wheel, cable, balancing weight and drive assembly, and both sides upside all has first mount through bolted connection about the mounting bracket, and the equal rotary type in one side that first mount was kept away from each other is connected with first wire wheel, and first wire wheel is last all to have the cable around rolling up, and the cable bottom all is connected with the balancing weight, and the mounting bracket top is connected with two sets of drive assembly, and drive assembly is connected with corresponding first wire wheel respectively.

Further, still including being used for guaranteeing that the balancing weight can stably transfer, the initiative adjustment mechanism of adjustment direction of software simultaneously, initiative adjustment mechanism is including the slider, first spring, the second rotating turret, the guide, the third link, fixed plate and connection pressing member, the equal slidingtype in both parts is connected with the slider about the mounting bracket, all be connected with first spring between slider and the mounting bracket, the rotary type is connected with the second rotating turret between the one side that the slider is close to each other, be connected with the guide on the first rotating turret, the second rotating turret is connected with the guide slidingtype, both sides all are connected with two third links around the second rotating turret, the third link bottom all is connected with the fixed plate, one side that the slider was kept away from each other all is connected with the connection pressing member, the connection pressing member all is connected with the cable slidingtype.

Further, still including being used for leading the extrusion to the cable, avoid the extrusion mechanism of incrustation scale on the cable, extrusion mechanism is including the second mount, the tight pulley, the carriage, extrusion wheel and second spring, the mounting bracket left and right sides all is connected with the second mount, the equal rotary type in one side that the second mount is close to the mounting bracket is connected with the tight pulley, the equal slidingtype in one portion that the second mount was kept away from each other is connected with the carriage, equal rotary type is connected with the extrusion wheel on the carriage, all be connected with the second spring between carriage and the second mount.

Further, still including the drive mechanism who is convenient for the measurement personnel to retrieve fast, drive mechanism is connected with the connecting piece including second wire rod wheel and connecting piece, mounting bracket rear portion upside, and mounting bracket upper portion rear side joint has the second wire rod wheel.

Further, still including being used for carrying out the warning mechanism of reminding to the ship of coming and going night, warning mechanism is connected with the fixed column including fixed column and reflection of light strip at the mounting bracket top, is connected with reflection of light strip on the fixed column.

Further, drive assembly all includes driving motor, drive wheel and driving band, and driving motor all connects at the mounting bracket top, all is connected with the drive wheel on the driving motor output shaft, all is connected with another drive wheel on the first dish line wheel, around having drive belt between the left drive wheel, also around having drive belt between the drive wheel on right side.

The beneficial effects are that: 1. according to the invention, the mounting frame floats on the water surface through the air bag, and the flow velocity detector is used for calculating and measuring the flow velocity of the water surface for a long time, so that the accuracy of measurement is improved, and the flow velocity change trend of water flow can be calculated.

2. According to the invention, the first reel is driven to rotate by the driving component, so that the cable is discharged, the balancing weight sinks into the water bottom to fix the mounting frame, and the situation that the position of the mounting frame is moved due to water flow impact of the air bag to influence the measurement result is avoided.

3. According to the water collecting frame, the sliding parts slide downwards under the action of the first springs through the cable discharging, so that the pressing parts are connected to extrude and push the balancing weights, the balancing weights are prevented from rusting in water after being soaked for a long time and moving downwards into the water surface, meanwhile, the flow direction of water flow is adapted through the fixing plate, the third connecting frame drives the second rotating frame to rotate, the water collecting frame can be always matched with the flow direction of the water flow, and the flow speed of the water surface can be conveniently measured.

4. According to the invention, through the matching between the extrusion wheel and the fixed wheel, the cable can be guided in the process of lowering the cable, the cable can be prevented from violent shaking, and meanwhile, water stains on the cable can be scraped in the process of recovering the cable, so that scale is prevented from being generated on the cable.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a partial perspective view of the present invention.

Fig. 4 is a schematic perspective view of the active adjustment mechanism of the present invention.

Fig. 5 is a schematic perspective view of the pressing mechanism of the present invention.

Fig. 6 is a schematic perspective view of the traction mechanism of the present invention.

Reference numerals: 1_ mounting frame, 2_ first connecting frame, 3_ air bag, 4_ flow rate detection mechanism, 40_ second connecting frame, 41_ first rotating frame, 42_ flow rate detector, 43_ water collecting frame, 5_ lower anchor stabilizing mechanism, 50_ first fixing frame, 51_ first coiling wheel, 52_ cable, 521_ balancing weight, 53_ driving component, 6_ active adjusting mechanism, 60_ sliding part, 601_ first spring, 61_ second rotating frame, 611_ guide part, 62_ third connecting frame, 621_ fixing plate, 63_ connection pressing part, 7_ extruding mechanism, 70_ second fixing frame, 71_ fixing wheel, 72_ sliding frame, 73_ extruding wheel, 74_ second spring, 8_ traction mechanism, 80_ second coiling wheel, 81_ connecting part, 9_ warning mechanism, 90_ fixing column and 91_ reflecting strip.

Detailed Description

The technical scheme of the invention is further explained by combining the attached drawings.

The utility model provides a buoy type surface of water velocity of flow measuring equipment, as shown in fig. 1 and fig. 2, including mounting bracket 1, first link 2, gasbag 3, velocity of flow detection mechanism 4 and anchor stabilizing mean 5 down, the 1 left and right sides of mounting bracket all is connected with first link 2, one side that first link 2 kept away from each other all is connected with two gasbags 3, mutually support between the gasbag 3 can make mounting bracket 1 float on the surface of water, be equipped with velocity of flow detection mechanism 4 on the mounting bracket 1, be used for detecting the velocity of flow of water, be equipped with anchor stabilizing mean 5 down on the mounting bracket 1, be used for keeping mounting bracket 1 float stably.

When carrying out surface of water velocity of flow measurement to the waters, use this device can measure the velocity of flow of water on the surface of water for a long time, make measured data more accurate, and can calculate surface of water velocity of flow variation trend, at first place mounting bracket 1 on the surface of water, support mounting bracket 1 top through gasbag 3's buoyancy, make mounting bracket 1 be located the surface of water and float, later float on the surface of water that makes mounting bracket 1 can be stable through anchor stabilizing mean 5 down, can not remove the change along with rivers flow, later detect the surface of water velocity through velocity of flow detection mechanism 4, anchor stabilizing mean 5 under controlling after detecting, make mounting bracket 1 can carry out the floating movement, later withdraw mounting bracket 1 can, to sum up, make mounting bracket 1 float on the surface of water through gasbag 3 and carry out long time surface of water velocity of flow measurement, calculate the change trend of surface of water velocity of flow, improve measured data's accurate degree.

As shown in fig. 1-3, the flow rate detection mechanism 4 includes a second connecting frame 40, a first rotating frame 41, a flow rate detector 42 and a water collection frame 43, the second connecting frame 40 is connected to the bottom of the mounting frame 1, the first rotating frame 41 is rotatably connected to the second connecting frame 40, the flow rate detector 42 is connected to the bottom of the first rotating frame 41, the flow rate detector 42 is used for detecting the flow rate of water, the water collection frame 43 is connected to the front side of the flow rate detector 42, the water collection frame 43 facilitates the flow to flow into the flow rate detector 42, and the flow rate detector 42 facilitates the detection and calculation of the flow rate of water.

Before mounting bracket 1 placed, according to the flow direction of rivers, rotate the orientation of adjusting velocity of flow detector 42, make water collection frame 43 can collect rivers, put the device on the surface of water after the regulation is accomplished, velocity of flow detector 42 can directly get into the surface of water this moment, along with rivers constantly flow, some rivers can get into velocity of flow detector 42 through water collection frame 43 and calculate the detection, detect along with the device is located the surface of water for a long time, can calculate the velocity of flow change of rivers, reach the velocity of flow trend of rivers, simultaneously under the assistance of a large amount of data, can make the measurement more accurate, close velocity of flow detector 42 after the measurement finishes, and take out the device can, to sum up, make mounting bracket 1 float on the surface of water through gasbag 3, use velocity of flow detector 42 to carry out long-time velocity of flow calculation measurement to the surface of water, improve the accurate degree of measurement, also can calculate the velocity of flow change trend of rivers simultaneously.

As shown in fig. 1-3, the lower anchor stabilizing mechanism 5 includes a first fixing frame 50, a first wire wheel 51, a cable 52, a counterweight 521 and a driving assembly 53, the upper sides of the left and right sides of the mounting frame 1 are all connected with the first fixing frame 50 through bolts, one side of the first fixing frame 50 away from each other is rotatably connected with the first wire wheel 51, the cable 52 is wound around the first wire wheel 51, the bottom end of the cable 52 is connected with the counterweight 521, the counterweight 521 can move downwards and contact with the water bottom, so as to achieve the anchoring effect, the top of the mounting frame 1 is connected with two sets of driving assemblies 53, the driving assemblies 53 are respectively connected with the corresponding first wire wheels 51, the driving assemblies 53 include driving motors, driving wheels and driving belts, the driving motors are connected to the top of the mounting frame 1, the output shafts of the driving motors are connected with the driving wheels, the first wire wheel 51 is connected with another driving wheel, a driving belt is wound between the left driving wheels, and a driving belt is wound between the right sides.

In order to improve the stability of mounting bracket 1, avoid gasbag 3 to make mounting bracket 1 remove under the impact of rivers, lead to the detection position to change, after the assigned position is placed to the device, need start drive assembly 53, drive assembly 53 starts and can drive first drum 51 and rotate, thereby make cable 52 all be given out, cable 52 after giving out can be downstream under the effect of balancing weight 521, balancing weight 521 all can get into the water level this moment, and constantly because self action of gravity sinks into submarine, later close drive assembly 53, thereby submerge submarine through balancing weight 521 and anchor mounting bracket 1, reinforcing device floats the stability on the surface of water, after the measurement, control drive assembly 53 makes first drum 51 all carry out the antiport, thereby carry out the rolling to cable 52, and make balancing weight 521 all move upwards, and leave the surface of water, this moment mounting bracket 1 no longer fixed, can retrieve, to sum up, drive assembly 53 drives first drum 51 and rotates, thereby make cable 52 give out, balancing weight 521 sink into and fix 1, avoid gasbag 3 because of the impact, lead to the removal position of rivers and lead to the measuring result of mounting bracket 1, lead to the measuring result.

As shown in fig. 1, fig. 2 and fig. 4, the active adjustment mechanism 6 further includes an active adjustment mechanism 6, the active adjustment mechanism 6 includes a sliding member 60, a first spring 601, a second rotating frame 61, a guiding member 611, a third connecting frame 62, a fixing plate 621 and a connecting pressing member 63, the sliding member 60 is slidably connected to both left and right sides of the mounting frame 1, the first spring 601 is connected between the sliding member 60 and the mounting frame 1, the top end of the first spring 601 is connected to the mounting frame 1, the bottom end of the first spring 601 is connected to the sliding block, the second rotating frame 61 is rotatably connected to one side of the sliding member 60 adjacent to the sliding member, the guiding member 611 is connected to the first rotating frame 41, the second rotating frame 61 is slidably connected to the guiding member 611, the front and rear sides of the second rotating frame 61 are connected to two third connecting frames 62, the third connecting frames 62 are symmetrically distributed, the fixing plate 621 is connected to the bottoms of the third connecting frames 62, the fixing plate can contact water flow, thereby the third connecting frame 62 rotates by water flow impact, the pressing member 63 is connected to one side of the sliding member 63, and the pressing member 52 can push the sliding member 521.

Because the counterweight 521 is soaked in water for a long time, the counterweight 521 may rust, and after the cable 52 is released, the counterweight 521 cannot fall automatically, and in order to avoid the influence on the lowering of the counterweight 521 caused by the situation, the device is provided with the active adjusting mechanism 6, when the cable 52 is released, the first spring 601 is in a stressed and compressed state in an initial state, and the connection pressing piece 63 is not pulled by the cable 52 any more due to the cable 52 being released, at this time, under the action of the first spring 601, the sliding piece 60 can slide downwards and drive the connection pressing piece 63 to move downwards, so as to extrude the counterweight 521, so that the counterweight 521 can be lowered normally, and simultaneously along with the downward sliding of the sliding piece 60, the second rotating frame 61 can also move downwards, so that the third connecting frame 62 drives the fixing plate 621 to move downwards, at this time, the fixing plate 621 can keep the same height as the flow rate detector 42, when the water flow direction changes suddenly, the water flow impacts the fixed plate 621, so that the fixed plate 621 drives the third connecting frame 62 to move, and further the second rotating frame 61 rotates, so that the water collecting frame 43 can be always matched with the flow direction of the water flow, and the water flow rate can be conveniently measured, after the detection is finished, as the cable 52 starts to be recovered, the counterweight 521 moves upwards and resets, so that the connecting pressing piece 63 is pushed to move upwards and reset, and further the sliding piece 60 drives the second rotating frame 61 to reset upwards, the first spring 601 returns to the stressed and compressed state, and meanwhile, the third connecting frame 62 also drives the fixed plate 621 to move upwards and reset, in conclusion, by releasing the cable 52, the sliding piece 60 slides downwards under the action of the first spring 601, so that the connecting pressing piece 63 pushes the counterweight 521, avoid balancing weight 521 to soak for a long time and rust the unable smooth downstream of entering the surface of water in the aquatic, simultaneously carry out the adaptation through fixed plate 621 to the rivers flow direction for third link 62 drives second rotating turret 61 dwang, thereby makes catchment frame 43 can match the flow direction of rivers all the time, is convenient for measure the surface of water velocity of flow.

As shown in fig. 1, fig. 2, and fig. 5, the extruding mechanism 7 further includes an extruding mechanism 7, the extruding mechanism 7 includes a second fixing frame 70, a fixed wheel 71, a sliding frame 72, an extruding wheel 73, and a second spring 74, the second fixing frame 70 is connected to the left and right sides of the mounting frame 1, the fixed wheel 71 is connected to one side of the second fixing frame 70 close to the mounting frame 1 in an equal rotation manner, the sliding frame 72 is connected to one portion of the second fixing frame 70 away from each other in a sliding manner, the extruding wheel 73 is connected to the sliding frame 72 in an equal rotation manner, guide slots are formed in the extruding wheel 73 and the fixed wheel 71, the cable 52 can be guided to be lowered by matching between the extruding wheel 73 and the fixed wheel 71, the second spring 74 is connected between the sliding frame 72 and the second fixing frame 70, the second spring 74 is wound on the sliding frame 72, one end of the second spring 74 close to each other is connected to the sliding frame 72, and one end of the second spring 74 away from each other is connected to the second fixing frame 70.

When the cable 52 is lowered, the fixed wheel 71 and the extrusion wheel 73 are matched with each other to compress and guide the cable 52, so that the cable 52 is prevented from being wound and knotted due to the fact that the cable 52 is discharged at an excessively high speed, meanwhile, the extrusion wheel 73 can always keep extruding the cable 52 under the action of the second spring 74, so that severe shaking of the upper portion of the cable 52 is avoided, a stable effect is achieved when the counterweight 521 is lowered, then along with upward recovery of the cable 52, water stains on the cable 52 can be scraped through matching between the extrusion wheel 73 and the fixed wheel 71, a large amount of water stains on the cable 52 caused by excessive adhesion of the water stains are avoided from being generated, and recovery of the cable 52 is influenced, in conclusion, through matching between the extrusion wheel 73 and the fixed wheel 71, the cable 52 can be guided in the lowering process of the cable 52, severe shaking of the cable 52 can be avoided, and meanwhile, the water stains on the cable 52 can be scraped during the recovery of the cable 52, and scale is prevented from being generated on the cable 52.

As shown in fig. 1, 2 and 6, the device further comprises a traction mechanism 8, the traction mechanism 8 comprises a second wire coiling wheel 80 and a connecting piece 81, the connecting piece 81 is connected to the upper side of the rear portion of the mounting frame 1, the second wire coiling wheel 80 is connected to the rear side of the upper portion of the mounting frame 1 in a clamping mode, the second wire coiling wheel 80 is connected with the connecting piece 81 through a pull rope, and the second wire coiling wheel 80 and the connecting piece 81 are matched with each other to facilitate a measurer to pull the mounting frame 1 on the bank.

When the water surface flow velocity is measured, the second wire coiling wheel 80 is taken down from the mounting rack 1, then the second wire coiling wheel 80 is left on the bank, after the water surface flow velocity measurement is completed, the second wire coiling wheel 80 can be used for pulling and recycling the mounting rack 1, and therefore measuring personnel can conveniently and rapidly recycle the device.

As shown in fig. 1-3, still including warning mechanism 9, warning mechanism 9 is connected with fixed column 90 including fixed column 90 and reflection of light strip 91 at the 1 top of mounting bracket, is connected with reflection of light strip 91 on the fixed column 90, and reflection of light strip 91 homoenergetic reflects light to the boats and ships on the suggestion surface of water avoid colliding.

If when measuring night, because people's visual range is limited under the environment of dark, the ship observation personnel on the surface of water is carrying out surface of water condition observation time measuring, shines the surface of water through illumination, and reflection of light strip 91 can reflect irradiation light this moment to at fixed column 90 surface formation highlight region, the ship of being convenient for is differentiateed, avoids appearing the collision accident.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (8)

1. The utility model provides a buoy type surface of water velocity of flow measuring equipment, including mounting bracket (1), first link (2) and gasbag (3), the mounting bracket (1) left and right sides all is connected with first link (2), one side that first link (2) kept away from each other all is connected with two gasbag (3), a serial communication port, still including velocity of flow detection mechanism (4) and lower anchor stabilizing mean (5), be equipped with on mounting bracket (1) and be used for carrying out velocity of flow detection mechanism (4) that detect to the velocity of flow, be equipped with on mounting bracket (1) and be used for keeping mounting bracket (1) to float stable lower anchor stabilizing mean (5).

2. The buoy type water surface flow velocity measuring equipment of claim 1, wherein the flow velocity detecting mechanism (4) comprises a second connecting frame (40), a first rotating frame (41), a flow velocity detector (42) and a water collecting frame (43), the second connecting frame (40) is connected to the bottom of the mounting frame (1), the first rotating frame (41) is rotatably connected to the second connecting frame (40), the flow velocity detector (42) is connected to the bottom of the first rotating frame (41), and the water collecting frame (43) is connected to the front side of the flow velocity detector (42).

3. The buoy type water surface flow velocity measuring equipment is characterized in that the anchor lowering stabilizing mechanism (5) comprises a first fixing frame (50), a first spiral wheel (51), a cable (52), a balancing weight (521) and a driving assembly (53), the upper sides of the left portion and the right portion of the mounting frame (1) are respectively connected with the first fixing frame (50) through bolts, one side, far away from the first fixing frame (50), of the first fixing frame (50) is connected with the first spiral wheel (51) in a rotating mode, the cable (52) is wound on the first spiral wheel (51), the bottom end of the cable (52) is connected with the balancing weight (521), the top of the mounting frame (1) is connected with two groups of driving assemblies (53), and the driving assemblies (53) are respectively connected with the corresponding first spiral wheels (51).

4. The buoy type water surface flow velocity measuring equipment as claimed in claim 3, further comprising an active adjusting mechanism (6) for ensuring that the balancing weight (521) can be stably lowered and adjusting the test direction, wherein the active adjusting mechanism (6) comprises a sliding part (60), a first spring (601), a second rotating frame (61), a guide part (611), a third connecting frame (62), a fixing plate (621) and a connecting pressing part (63), the sliding part (60) is slidably connected to the left and right sides of the mounting frame (1), the first spring (601) is connected between the sliding part (60) and the mounting frame (1), the second rotating frame (61) is rotatably connected between the sides, close to each other, of the sliding part (60), the guide part (611) is connected to the first rotating frame (41), the second rotating frame (61) is slidably connected to the guide part (611), the two third connecting frames (62) are connected to the front and rear sides of the second rotating frame (61), the fixing plate (621) is connected to the bottom of each third connecting frame (62), the side, far away from each sliding part (60) is connected to the pressing part (63), and the cable (52) is connected to the pressing part (63).

5. The buoy type water surface flow velocity measuring equipment as claimed in claim 4, further comprising an extrusion mechanism (7) for guiding and extruding the cable (52) to avoid scale formation on the cable (52), wherein the extrusion mechanism (7) comprises a second fixing frame (70), a fixed wheel (71), a sliding frame (72), an extrusion wheel (73) and a second spring (74), the left side and the right side of the mounting frame (1) are respectively connected with the second fixing frame (70), one side of the second fixing frame (70) close to the mounting frame (1) is rotatably connected with the fixed wheel (71), one part of the second fixing frame (70) far away from each other is rotatably connected with the sliding frame (72), the extrusion wheel (73) is rotatably connected on the sliding frame (72), and the second spring (74) is connected between the sliding frame (72) and the second fixing frame (70).

6. The buoy type water surface flow velocity measuring equipment as claimed in claim 5, further comprising a traction mechanism (8) convenient for measuring personnel to rapidly recover, wherein the traction mechanism (8) comprises a second wire coiling wheel (80) and a connecting piece (81), the connecting piece (81) is connected to the upper side of the rear part of the mounting frame (1), and the second wire coiling wheel (80) is clamped on the rear side of the upper part of the mounting frame (1).

7. The buoy type water surface flow velocity measuring equipment as claimed in claim 6, further comprising a warning mechanism (9) for reminding ships at night, wherein the warning mechanism (9) comprises a fixed column (90) and a reflective strip (91), the fixed column (90) is connected to the top of the mounting frame (1), and the reflective strip (91) is connected to the fixed column (90).

8. The buoy type water surface flow velocity measuring equipment as claimed in claim 3, wherein the driving assemblies (53) comprise driving motors, driving wheels and driving belts, the driving motors are connected to the top of the mounting frame (1), the output shafts of the driving motors are connected with the driving wheels, the first spiral wheels (51) are connected with the other driving wheels, a driving belt is wound between the driving wheels on the left side, and a driving belt is wound between the driving wheels on the right side.

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