CN216977899U - Portable current measuring device for electric bridge - Google Patents
Portable current measuring device for electric bridge Download PDFInfo
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- CN216977899U CN216977899U CN202220888403.4U CN202220888403U CN216977899U CN 216977899 U CN216977899 U CN 216977899U CN 202220888403 U CN202220888403 U CN 202220888403U CN 216977899 U CN216977899 U CN 216977899U
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- support plate
- rubber wheel
- measuring device
- cable
- electric bridge
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- 238000004804 winding Methods 0.000 claims abstract description 27
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- 241000251468 Actinopterygii Species 0.000 claims description 19
- 230000007246 mechanism Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 230000001012 protector Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000010959 steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of hydrological monitoring, and particularly relates to a portable current measuring device for an electric bridge. According to the portable current measuring device for the electric bridge, the cables are wound and unwound by pressing the cables through the driving rubber wheels and the pressing rubber wheels, so that the cables are lifted in a nondestructive mode, the electric driving mode is adopted, the winding roll with the reasonable diameter is arranged, and the cable winding and unwinding speed is greatly improved.
Description
Technical Field
The utility model belongs to the technical field of hydrological monitoring, and particularly relates to a portable current measuring device for an electric bridge.
Background
River hydrology refers to the hydrological characteristics and change rules occurring in rivers, including the source of river water supply, river water conditions, water temperature, ice conditions, water chemistry and silt, river types, annual distribution of river runoff, and many-year changes, and monitoring of river hydrological factors is one of the important means for effective management of rivers. With the development of science and technology, bridges are erected on more and more rivers, and when water speed detection is carried out on the rivers, flow measuring equipment is often erected on the bridges.
At present, the portable current measuring pole or frame for the bridge is used, the weight of a measuring instrument is dozens of kilograms, the pole mainly uses a sleeve type square tube as a support arm, a pulley is arranged at the front end, a hand-operated winch is arranged at the back, the current measuring frame is supported on a guardrail of the bridge after the current measuring pole reaches a current measuring bridge, the instrument is hung on a sling at the front end, and the current measuring instrument is placed in a river downwards through the hand-operated winch. However, the following technical problems exist: because the lifting speed of the winding machine is very slow in order to save labor, generally reaches 0.1-0.2 m/s, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a portable current measuring device for an electric bridge, which realizes electric cable winding and unwinding, has high cable winding and unwinding speed and solves the technical problem of low cable winding and unwinding speed of the conventional measuring device.
In order to achieve the technical purpose, the technical scheme of the utility model is as follows:
the portable current measuring device for the electric bridge comprises a rack, wherein a front end wire guide wheel is arranged at the front end of the rack, an installation support is arranged below the middle part of the rack, an electric driving mechanism and a handle are arranged at the rear part of the rack, the electric driving mechanism is in transmission connection with a driving rubber wheel, a pressing rubber wheel corresponding to the driving rubber wheel is arranged on the rack, the peripheral surfaces of the driving rubber wheel and the pressing rubber wheel are in pressing fit, grooves for cables to pass through are formed in the peripheral surfaces of the driving rubber wheel and the pressing rubber wheel, a rear end wire guide wheel is arranged at the rear part of the rack, and a wire winding disc and a rope length counter are arranged above the middle part of the rack;
the winding roll is wound with a cable, the cable is wound through the rear end wire guide wheel, penetrates through the space between the driving rubber wheel and the pressing rubber wheel and is wound through the front end wire guide wheel, the cable is connected with a fish lead, and the fish lead is provided with a flow velocity meter.
As an improved technical scheme, the electric driving mechanism comprises a motor, the motor is connected with a speed reducer, and the speed reducer is connected with the driving rubber wheel.
As a further improved technical scheme, the driving rubber wheel and the pressing rubber wheel are respectively provided with two.
As a further improved technical scheme, the winding roll is in transmission connection with the driving rubber wheel or the pressing rubber wheel, and the winding roll is provided with a torque overload protector.
As a further improved technical scheme, the winding roll is in transmission connection with the pressing rubber wheel through a chain.
As a further improved technical scheme, the mounting bracket comprises a first support plate and a second support plate, the first support plate and the second support plate are connected in an angle, more than two rollers are respectively mounted on the inner side surfaces of the first support plate and the second support plate, and the axial directions of the rollers are respectively parallel to the extending direction of the edge of an included angle between the first support plate and the second support plate.
As a further improved technical scheme, the first support plate and the second support plate are vertically arranged in an L shape, the first support plate is horizontally arranged, the second support plate is vertically arranged, and the length of the first support plate is greater than that of the second support plate along the extending direction of the edge of the included angle between the first support plate and the second support plate.
As a further improved technical scheme, the fish lead is provided with a water surface switch and a bottom contact switch.
As a further improved technical scheme, a deflection angle measuring sensor is arranged at the front end of the machine frame.
Due to the adoption of the technical scheme, the utility model has the beneficial effects that:
according to the portable current measuring device for the electric bridge, the mounting support is arranged below the middle of the rack, the current measuring device can be conveniently placed on a bridge guardrail, when the portable current measuring device is used, a cable is threaded, one end of the cable is connected with the winding roll, the cable is sequentially wound on the winding roll, passes through the rear end wire guide wheel, passes through the space between the driving rubber wheel and the pressing rubber wheel and is wound on the front end wire guide wheel, the other end of the cable is connected with a fish lead, the fish lead is provided with the current meter, the electric driving mechanism is controlled to enable the driving rubber wheel to rotate, the driving rubber wheel is in pressing fit with the pressing rubber wheel to press the cable tightly, friction force is generated on the cable, when the driving rubber wheel rotates, the cable is conveyed towards the water surface direction under the action of the friction force, after measurement is completed, the electric driving rubber wheel is controlled to rotate reversely, winding operation is carried out, and the winding and unwinding speed is high.
The driving rubber wheel and the pressing rubber wheel generate friction force for extruding the cable, the driving rubber wheel is controlled to rotate to drive the cable to take up and pay off, and compared with the existing winch, the cable can be damaged by multi-layer winding extrusion of the take-up and pay-off line, and the cable can be wound and paid off without damage.
And (3) the paying-off process is carried out until the fish lead touches the bottom, the length of the paid-off cable is measured through a rope length counter, then the deflection angle of the cable is measured through a deflection angle measuring sensor, and accurate water depth data are obtained through correction calculation according to the deflection angle.
The driving rubber wheel and the pressing rubber wheel are respectively provided with two rubber wheels, so that enough friction force is provided for the cable, and the cable is stably wound and unwound.
The take-up reel is connected with drive rubber tyer or driven rubber tyer transmission, and the cable is received and released the in-process, and the drive rubber tyer rotates with compressing tightly the rubber tyer, drives the take-up reel and rotates, is convenient for receive and release the cable, because what difference of take-up reel winding cable can lead to the change of take-up and pay-off speed of take-up reel in addition, consequently sets up moment of torsion overload protection ware, avoids excessively dragging and damaging the cable to the cable.
The installing support comprises a first supporting plate and a second supporting plate which are connected in an angled mode, and when the installing support is used for measurement, the included angle between the first supporting plate and the second supporting plate is matched with the bridge guardrail, the roller is arranged, and the position of the installing support on the bridge guardrail is convenient to adjust.
After the number of the cables is increased to 6, the acquisition of a water surface signal and a bottoming signal can be met, the lead fish is provided with a water surface switch and a bottoming switch, the water surface signal is given when the lead fish reaches the water surface, the rope length counter is reset, the counting is automatically stopped after the lead fish is continuously put down and bottoming is carried out, the rope length counter displays accurate water depth, and compared with the existing measuring mode that the position where the instrument reaches is artificially determined through visual measurement and hand feeling, the measuring accuracy is greatly improved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the positions of the driving rubber wheel and the pressing rubber wheel;
in the drawing, 1-frame, 2-front guide wire wheel, 3-mounting bracket, 31-first support plate, 32-second support plate, 33-roller, 4-handle, 5-driving rubber wheel, 6-pressing rubber wheel, 7-rear guide wire wheel, 8-winding reel, 9-rope length counter, 10-cable, 11-fish lead, 12-current meter, 13-bridge guardrail, 14-deflection angle measuring sensor, 15-motor and 16-bottom contact switch.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
As shown in fig. 1 and fig. 2, the present embodiment provides a portable current measuring device for an electric axle, which includes a frame 1, a front end wire guide wheel 2 is disposed at the front end of the frame, a mounting bracket 3 is disposed below the middle portion of the frame, an electric driving mechanism and a handle 4 are disposed at the rear portion of the frame, the electric driving mechanism is in transmission connection with a driving rubber wheel 5, a pressing rubber wheel 6 corresponding to the driving rubber wheel is disposed on the frame, the circumferential surfaces of the driving rubber wheel and the pressing rubber wheel are in pressing fit, grooves for cables 10 to pass through are disposed on the circumferential surfaces of the driving rubber wheel and the pressing rubber wheel, a rear end wire guide wheel 7 is disposed at the rear portion of the frame, and a winding reel 8 and a rope length counter 9 are disposed above the middle portion of the frame; the winding roll twines cable 10, and the cable twines through rear end wire wheel, passes between initiative rubber tyer and the pressure rubber tyer, twines through front end wire wheel, and fish lead 11 is connected to the cable, and current meter 12 is installed to the fish lead for measure the velocity data of rivers speed.
The initiative rubber tyer of this embodiment and the rubber tyer that compresses tightly produces frictional force to the cable extrusion, rotate through control initiative rubber tyer and realize driving the cable and receive and release the line operation, and the multilayer spiral extrusion of receiving and releasing the line with current hoist can cause the damage to the cable and compare, realizes that the harmless promotion of cable receive and releases, and electric operation moreover, it is fast to receive and release the line.
The frame middle part below of this embodiment is equipped with the installing support, be convenient for lay current-measuring device on bridge railing 13, during the specific use, wear the cable, the take-up reel is connected to the one end of cable, the cable is from the take-up reel twine the rear end wire wheel in proper order, pass between initiative rubber tyer and the pressure rubber tyer, twine the front end wire wheel, the fish lead is connected to the cable other end, control electric drive mechanism makes the initiative rubber tyer rotate, initiative rubber tyer and the global pressure fit that compresses tightly of pressure rubber tyer, compress tightly the cable, produce frictional force to the cable, when the initiative rubber tyer rotates, under the frictional force effect, carry the unwrapping wire with the cable to the surface of water direction, after the measurement is accomplished, control electric drive mechanism makes the reversal of initiative rubber tyer, receive the line operation.
In this embodiment, the front end of the frame is provided with a deflection angle measuring sensor 14, the cable is paid off until the fish lead touches the bottom, the length of the cable is measured by a cable length counter 9, then the deflection angle of the cable is measured by the deflection angle measuring sensor, and accurate water depth data is obtained by correction calculation according to the deflection angle, specifically, the cable length counter 9 can be a wheel with a fixed diameter driven by a steel wire rope to rotate, the wheel drives a photoelectric counter, and the cable length is calculated by multiplying the revolution number by the circumference of the wheel.
In this embodiment, electric drive mechanism includes motor 15, and the speed reducer is connected to the motor, and the initiative rubber tyer is connected to the speed reducer, and the speed reducer can adopt the current speed reducer on the market, specifically can adopt worm gear speed reducer, and the worm is connected to the motor, and the worm is connected to the worm, and worm wheel fixed connection initiative rubber tyer.
Specifically, the driving rubber wheel and the pressing rubber wheel are respectively provided with two rubber wheels, two rubber wheels are oppositely arranged and divided into two groups, so that enough friction force is provided for the cable, the cable is stably wound and unwound, the position of the pressing rubber wheel can be adjusted in specific use, the purpose of adjusting the pressing degree between the pressing rubber wheel and the driving rubber wheel is achieved, and the purpose of adjusting the pressing degree between the pressing rubber wheel and the driving rubber wheel according to different weights of lifting instruments is achieved.
In this embodiment, the take-up reel is connected with the transmission of initiative rubber tyer or pressure rubber tyer, be equipped with moment of torsion overload protection ware 15 on the take-up reel, specifically, can be that the take-up reel passes through chain drive with the pressure rubber tyer and is connected, the cable receive and releases the in-process, initiative rubber tyer rotates with the pressure rubber tyer, drive the synchronous rotation of take-up reel, be convenient for receive and release the cable, and because the take-up reel twine what the difference of cable can lead to the change of the receipts unwrapping wire speed of take-up reel, consequently, moment of torsion overload protection ware sets up, avoid excessively dragging and damaging the cable to the cable.
In the in-service use, the diameter that sets up the take-up reel satisfies the bending radius standard of cable safety, and the while rationally sets up the take-up reel and compresses tightly the diameter proportion of rubber tyer, guarantees to receive and release line speed synchronization, because the multilayer wiring of take-up reel for the linear velocity of take-up reel hardly guarantees unanimously, consequently sets up moment of torsion overload protection device at the take-up reel, specifically can be friction overload protector, and it is synchronous to transship through the protector and skids the realization linear velocity.
In this embodiment, the mounting bracket includes a first support plate 31 and a second support plate 32, the first support plate and the second support plate are connected at an angle, the first support plate and the second support plate are respectively provided with two or more rollers 33 on inner side surfaces thereof, axial directions of the rollers are respectively parallel to an extending direction of a side of an included angle between the first support plate and the second support plate, when measuring, the included angle between the first support plate and the second support plate is matched with the bridge guardrail 13, and the rollers 33 are provided, so that the position of the mounting bracket on the bridge guardrail 13 can be conveniently adjusted.
Specifically, first extension board and second extension board set up into L shape perpendicularly, and first extension board level sets up, and the vertical setting of second extension board, the length of first extension board is greater than the length of second extension board on the extending direction of the limit of the contained angle of following first extension board and second extension board, is convenient for place the support.
In this embodiment, the fish lead sets up surface of water switch and touches end switch 16, after the cable increases to 6 cores, can satisfy the collection of surface of water signal and touching end signal, the fish lead sets up surface of water switch and touches end switch, the fish lead arrives the surface of water and gives the surface of water signal, the long counter zero clearing of rope continues to transfer and touches end back automatic stop count, the long counter of rope demonstrates accurate depth of water, compare with the current measurement mode of position that the manual definite instrument of feeling arrived through range estimation, measurement accuracy improves greatly.
According to the portable current measuring device for the electric bridge, the cables are wound and unwound by pressing the cables through the driving rubber wheels and the pressing rubber wheels, so that the cables are lifted in a nondestructive mode, the winding reel with a reasonable diameter is arranged in an electric driving mode, the speed of winding and unwinding the cables is greatly increased, the cables with the diameter of 8mm of 6-core armored cables can be used for providing water surface signals and bottoming signals, the measurement accuracy is improved, and when a large-flow-speed water flow is measured, a drift angle occurs on a water flow impact instrument, the drift angle is measured by matching with a drift angle measuring sensor, and then the rope length is used for correcting, so that the measurement accuracy is improved.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. The portable current measuring device for the electric bridge comprises a frame and is characterized in that a front end wire guide wheel is arranged at the front end of the frame, an installation support is arranged below the middle part of the frame, an electric driving mechanism and a handle are arranged at the rear part of the frame, the electric driving mechanism is in transmission connection with a driving rubber wheel, a pressing rubber wheel corresponding to the driving rubber wheel is arranged on the frame, the circumferential surfaces of the driving rubber wheel and the pressing rubber wheel are in pressing fit, grooves for cables to pass through are formed in the circumferential surfaces of the driving rubber wheel and the pressing rubber wheel, a rear end wire guide wheel is arranged at the rear part of the frame, and a winding reel and a rope length counter are arranged above the middle part of the frame;
the winding roll is wound with a cable, the cable is wound through the rear end wire guide wheel, penetrates through the space between the driving rubber wheel and the pressing rubber wheel and is wound through the front end wire guide wheel, the cable is connected with a fish lead, and the fish lead is provided with a flow velocity meter.
2. The portable current measuring device for the electric bridge according to claim 1, wherein the electric driving mechanism comprises a motor, the motor is connected with a speed reducer, and the speed reducer is connected with the driving rubber wheel.
3. The portable current measuring device for electric bridge of claim 2, wherein there are two driving rubber wheels and two pressing rubber wheels.
4. The portable current measuring device for electric bridge of any claim 1 to 3, wherein said winding roll is in transmission connection with said driving rubber wheel or pressing rubber wheel, and said winding roll is provided with a torque overload protector.
5. The portable current measuring device for electric bridge of claim 4, wherein the winding roll is connected with the pressing rubber wheel through a chain transmission.
6. The flow measuring device for the portable electric bridge according to any one of claims 1 to 3, wherein the mounting bracket includes a first support plate and a second support plate, the first support plate and the second support plate are connected at an angle, the first support plate and the second support plate are respectively provided with more than two rollers on inner side surfaces, and axial directions of the rollers are respectively parallel to an extending direction of a side of an included angle between the first support plate and the second support plate.
7. The flow measuring device for a portable electric bridge according to claim 6, wherein the first support plate and the second support plate are vertically arranged in an L-shape, the first support plate is horizontally arranged, the second support plate is vertically arranged, and the length of the first support plate is longer than the length of the second support plate along the extension direction of the edge of the included angle between the first support plate and the second support plate.
8. The portable current measuring device for electric bridge of any claim 1 to 3, wherein said fish lead is provided with a water switch and a bottom switch.
9. The flow measuring device for a portable electric bridge according to any one of claims 1 to 3, wherein a deflection angle measuring sensor is provided at a front end of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220888403.4U CN216977899U (en) | 2022-04-18 | 2022-04-18 | Portable current measuring device for electric bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220888403.4U CN216977899U (en) | 2022-04-18 | 2022-04-18 | Portable current measuring device for electric bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216977899U true CN216977899U (en) | 2022-07-15 |
Family
ID=82342133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220888403.4U Expired - Fee Related CN216977899U (en) | 2022-04-18 | 2022-04-18 | Portable current measuring device for electric bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216977899U (en) |
-
2022
- 2022-04-18 CN CN202220888403.4U patent/CN216977899U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220715 |