CN109059874B - Auxiliary positioning system for flow measurement starting point distance of hydrological cableway - Google Patents
Auxiliary positioning system for flow measurement starting point distance of hydrological cableway Download PDFInfo
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- CN109059874B CN109059874B CN201810636274.8A CN201810636274A CN109059874B CN 109059874 B CN109059874 B CN 109059874B CN 201810636274 A CN201810636274 A CN 201810636274A CN 109059874 B CN109059874 B CN 109059874B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C13/00—Surveying specially adapted to open water, e.g. sea, lake, river or canal
- G01C13/002—Measuring the movement of open water
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Abstract
The invention discloses a hydrological cableway flow measurement starting point distance auxiliary positioning system, which comprises: the number of the towers is two, and the towers are symmetrically arranged on the left side and the right side of the main river channel of the current measuring water area; the two ends of the main cable are fixed outside the two towers; the flow measuring device is arranged along the main cable in a sliding manner; the flow measuring point positioning device drives the flow measuring device to move to each flow measuring point; the two ends of the auxiliary cable are respectively fixed at the bottom of the tower and positioned above the main cable, a plurality of positioning boards arranged along the length direction of the auxiliary cable are fixed at the horizontal river-crossing part of the auxiliary cable, and an inductive switch and a signal transmitter in signal connection with the inductive switch are arranged between the current measuring device and the positioning boards; and the controller is in signal connection with the signal output end of the signal transmitter and the control end of the flow measuring point positioning device. The invention has the beneficial effects that: the positioning precision including the starting point distance is improved, and the auxiliary manual flow measurement is realized during power failure; the winding abrasion of the circulating cable caused by the rotation of the balance weight is avoided; and automatically detecting the descending position of the balance weight and stopping the machine.
Description
Technical Field
The invention relates to the technical field of hydrological flow measurement, in particular to an auxiliary positioning system for a flow measurement starting point distance of a hydrological cableway.
Background
With the popularization and application of hydrological modernization and hydrological new technology in China, more and more hydrological measuring stations get rid of the original manual flow measuring mode, and flow measurement is started by using an automatic or semi-automatic flow measuring system of a hydrological cableway, so that the physical labor of hydrological workers is greatly reduced. However, a common problem of these systems is that the starting point distance positioning has a certain amount of error with the actual situation, the error is larger when the distance is farther away, and the error is larger when the cable is used for a longer time, so that the starting point distance correction needs to be performed frequently, which brings great challenges to the basic hydrographic workers. When the problems of defects, inaccurate starting point distance counting and the like of a control system of the hydrological cableway flow measuring system occur, the flow measuring process can not be completed. In addition, the existing hydrological cable channel often has two damage phenomena, namely, the cable channel is rotated to cause the winding and the abrasion of the circulating cable, and when the current measurement finishes the water recovery of the fish lead, the descending position of the balance weight needs to be observed by naked eyes manually to control the motor to stop, but the dangerous accident that the machine is stopped and the lifting cable of the balance weight is not pulled off timely can often occur.
Disclosure of Invention
The invention aims to provide a hydrological cableway flow measurement starting point distance auxiliary positioning system which is used for solving the problems of large starting point distance positioning error, incapability of manually using a cableway for flow measurement during power failure, circulating cable winding abrasion caused by the rotation of a balance weight and dangerous accidents of untimely shutdown and breakage of the balance weight lifting cable of the conventional hydrological cableway flow measurement system.
In order to achieve the purpose, the technical scheme of the invention is that
A hydrologic cableway current surveying starting point apart from assistance-localization real-time system includes:
the number of the towers is two, and the towers are symmetrically arranged on the left side and the right side of the main river channel of the current measuring water area;
two ends of the main cable respectively penetrate through two ends of the two towers and then are fixed outside the two towers;
the flow measuring device is arranged along the main cable in a sliding manner;
the flow measuring point positioning device drives the flow measuring device to move to each flow measuring point;
the two ends of the auxiliary cable are respectively and vertically fixed on the base at the bottom of the tower through the tops of the two towers, the river-crossing part is positioned above the main cable, the horizontal river-crossing part of the auxiliary cable is fixedly provided with a plurality of positioning boards which are arranged along the length direction of the auxiliary cable, and an inductive switch and a signal transmitter which is in signal connection with the inductive switch are arranged between the current measuring device and the positioning boards; and the number of the first and second groups,
and the controller is in signal connection with the signal output end of the signal transmitter and the control end of the flow measuring point positioning device.
Optionally, a guide wheel is fixed to the top of the tower, and the main cable is matched with the guide wheel.
Optionally, the flow measuring device includes:
the travelling crane is arranged along the main cable in a sliding manner; and the number of the first and second groups,
the fish lead is suspended below the travelling crane.
Optionally, the main rope is parallel to the auxiliary rope.
Optionally, the flow point measuring and positioning device includes:
the control end of the hydrological winch is in signal connection with the controller; and the number of the first and second groups,
the circulating cable is arranged between the two towers in a reciprocating sliding manner under the driving of the hydrological winch, so that the travelling crane fixed on the circulating cable is driven to move to a corresponding flow measuring point; and (c) and (d).
Optionally, the circulating cable comprises a plurality of reciprocating vertical sections between the top of the tower and the hydrographic winch, and a balance weight is suspended at the lower end of the vertical section in the middle of the tower;
the balance weight is fixedly provided with a horizontal connecting rod, two ends of the horizontal connecting rod are respectively provided with a ring buckle, and each ring buckle is respectively sleeved outside one vertical section.
Optionally, the hydrographic cableway flow-measuring starting point distance auxiliary positioning system further comprises a lower limit switch in signal connection with the controller, and the lower limit switch is arranged at the bottom of the tower.
Optionally, the roots of the two towers are fixed to a first installation foundation, the two ends of the main cable are fixed to a second installation foundation, and the first installation foundation and the second installation foundation are fixed to a current surveying water bank.
Optionally, the distance between any two adjacent positioning cards is 5N meters, and N is a positive integer.
Optionally, the hydrographic cableway flow measurement starting point distance auxiliary positioning system further comprises a control room, the control room and the tower in which the balance weight is arranged are located on the same side of the flow measurement water area, and the controller and the hydrographic winch are located in the control room.
The invention has the following advantages:
the flow measuring device slides to a corresponding positioning board along the main cable under the driving action of the flow measuring point positioning device, the induction switch is triggered, the signal transmitter transmits a trigger signal to the controller, the controller transmits a stop signal to the flow measuring point positioning device, and the flow measuring device stops, so that the flow measuring work of the flow measuring point is completed, the flow measuring point is accurately positioned, and the error is small;
the auxiliary cable is arranged, the positioning plate is arranged on the auxiliary cable, the inductive switch and the signal transmitter which are arranged between the positioning plate and the flow measuring device are in linkage work, so that the flow measuring point is positioned accurately, the error is small, in addition, the signal transmitter adopts a working mode of electrifying in an induction mode (the inductive switch induces the positioning plate and then triggers the signal transmitter), the electric energy consumption of the system during working is saved, and meanwhile, the full-automatic flow measuring is realized.
Drawings
FIG. 1 is a schematic structural view of an embodiment of an auxiliary positioning system for a hydrometric cableway flow-measuring starting point distance according to the present invention;
FIG. 2 is an enlarged view of a portion of region Z of FIG. 1;
fig. 3 is an operation principle diagram for preventing the counter weight from rotating.
In the figure:
1. a tower; 2. a main rope; 3. an auxiliary rope; 4. positioning the plate; 5. a guide wheel; 6. driving a vehicle; 7. fishing with lead; 8. a hydrological winch; 9. circulating cables; 10. a vertical section; 11. a counterweight; 12. a horizontal connecting rod; 121. looping; 13. a lower limit switch; 14. a first mounting base; 15. a second mounting base; 16. a control room; 17. and a controller.
Detailed Description
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example 1
1-3, a hydrographic cableway flow-measuring origin distance auxiliary positioning system, see FIGS. 1-3, comprising:
the number of the towers 1 is two, and the towers are symmetrically arranged on the left side and the right side of the flow direction of the current measuring water area;
two ends of the main cable 2 respectively penetrate through two ends of the two towers 1 and then are fixed outside the two towers 1;
the flow measuring device is arranged along the main rope 2 in a sliding manner;
the flow measuring point positioning device drives the flow measuring device to move to each flow measuring point;
two ends of an auxiliary cable 3 are respectively and vertically fixed on a base at the bottom of the tower through the tops of the two towers 1 downwards and are positioned above the main cable 2, a plurality of positioning boards 4 arranged along the length direction of the auxiliary cable 3 are fixed on the horizontal river-crossing part of the auxiliary cable 3, and an inductive switch and a signal transmitter in signal connection with the inductive switch are arranged between the current measuring device and the positioning boards 4; and the number of the first and second groups,
and the controller 17 is in signal connection with the signal output end of the signal transmitter and the control end of the flow measuring point positioning device.
In addition, a guide wheel 5 is fixed on the top of the tower frame 1, and the main cable 2 is matched with the guide wheel 5.
One configuration of a flow measuring device includes:
the travelling crane 6 is slidably arranged along the main cable 2; and the number of the first and second groups,
the fish lead 7 is suspended below the travelling crane 6.
In addition, the main cable 2 is parallel to the auxiliary cable 3, so that after the flow measuring device moves below the corresponding positioning plate 4, a connecting line between the flow measuring device and the positioning plate 4 is perpendicular to the main cable 2 and the auxiliary cable 3, and the positioning accuracy of a flow measuring point (the position of the flow measuring point corresponds to the position of the positioning plate 4, and the installation position of the positioning plate 4 on the auxiliary cable 3 is arranged according to the actual flow measuring requirement) of the flow measuring device is further improved.
Example 2
On the basis of the embodiment 1, one structure of the flow point measuring and positioning device comprises:
the control end of the hydrological winch 8 is in signal connection with the controller 17; and the number of the first and second groups,
a circulating cable 9 is arranged between the two towers 1 in a reciprocating sliding manner under the driving of the hydrological winch 8, so that the travelling crane 6 fixed on the circulating cable 9 is driven to move to a corresponding flow measuring point; and (c) and (d).
The flow measuring point positioning device of the structure drives the flow measuring device in the following mode: the hydrologic winch 8 works, pulls the circulating cable 9, thereby drives the travelling crane 6 fixed on the circulating cable 9 to slide along the main cable 2, when the travelling crane slides to the position plate 4, the inductive switch is started, the signal transmitter works to send a signal to the controller 17, the controller 17 sends a stop signal to the hydrologic winch 8, and the hydrologic winch 8 stops, so that the travelling crane 6 is accurately positioned to the position plate 4, and the current measurement operation is facilitated.
In addition, the circulating cable 9 comprises a plurality of reciprocating vertical sections 10 between the top of the tower 1 and the hydrographic winch 8, and a balance weight 11 is hung at the lower end of the vertical section 10 in the middle of the tower 1;
a horizontal connecting rod 12 is fixed on the balance weight 11, two ends of the horizontal connecting rod 12 are respectively provided with a ring buckle 121, and each ring buckle 121 is respectively sleeved outside one vertical section 10. This arrangement solves the problem that the circulating cable 9 is wound and worn due to the rotation of the counter weight 11.
In addition, the guide wheels 5 are arranged at the end parts of the two towers 1 of the circulating cable 9 to change the direction of the circulating cable 9, the guide wheels 5 are also arranged at the upper end and the lower end of the vertical section 10, so that the circulating cable 9 is pulled and the guide wheels 5 are driven to rotate, static friction is formed between the circulating cable 9 and the guide wheels 5, the abrasion of the circulating cable 9 is reduced as much as possible, and the service life of the tower crane is prolonged.
Example 3
On the basis of embodiment 1 or 2, the present embodiment further includes a lower limit switch 13 in signal connection with the controller 17, the lower limit switch 13 is disposed at the bottom of the tower 1, and the position of the lower limit switch 13 corresponds to the lowest position to which the counterweight 11 can be lowered. The lower limit switch 13 is arranged at the joint of the vertical part (namely the vertical section 10) of the auxiliary rope 3 and the bottom of the tower frame 1, the position of the balance weight is automatically detected, and the motor of the hydrological winch 8 is automatically closed to prevent the balance weight 11 from being pulled downwards continuously, so that the dangerous accident that the balance weight 11 is pulled off when the manual shutdown is not in time is solved.
Example 4
On the basis of the embodiments 1, 2 or 3, the tower 1 and the main cable 2 are fixed in the following way: the roots of the two towers 1 are fixed on a first installation foundation 14, the two ends of the main cable 2 are fixed on a second installation foundation 15, and the first installation foundation 14 and the second installation foundation 15 are fixed on a current measuring water bank.
In addition, the distance between any two adjacent positioning cards 4 is 5N meters, and N is a positive integer or is set according to the flow measurement requirement.
Meanwhile, the embodiment further comprises a control room 16, the control room 16 and the tower 1 with the balance weight 11 arranged inside are positioned on the same side of a current measuring water area, and the controller 17 and the hydrological winch 8 are both positioned in the control room 16.
In addition, the signal of the control system of the present invention is transmitted by using the broken line in fig. 1 as a path.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. The utility model provides a hydrology cableway survey flow starting point apart from assistance-localization real-time system which characterized in that includes:
the number of the towers is two, and the towers are symmetrically arranged on the left side and the right side of the main river channel of the current measuring water area;
two ends of the main cable respectively penetrate through two ends of the two towers and then are fixed outside the two towers;
the flow measuring device is arranged along the main cable in a sliding manner;
the flow measuring point positioning device drives the flow measuring device to move to each flow measuring point;
the two ends of the auxiliary cable are respectively and vertically fixed on the base at the bottom of the tower through the tops of the two towers, the river-crossing part is positioned above the main cable, the horizontal river-crossing part of the auxiliary cable is fixedly provided with a plurality of positioning boards which are arranged along the length direction of the auxiliary cable, and an inductive switch and a signal transmitter which is in signal connection with the inductive switch are arranged between the current measuring device and the positioning boards;
the controller is in signal connection with the signal output end of the signal transmitter and the control end of the flow measuring point positioning device;
the flow measuring device comprises:
the travelling crane is arranged along the main cable in a sliding manner; and the number of the first and second groups,
the fish lead is suspended below the travelling crane;
the flow measurement point positioning device comprises:
the control end of the hydrological winch is in signal connection with the controller; and the number of the first and second groups,
and the circulating cable is arranged between the two towers in a reciprocating sliding manner under the driving of the hydrological winch, so that the travelling crane fixed on the circulating cable is driven to move to a corresponding flow measuring point.
2. The hydrographic cableway current-measuring origin distance auxiliary positioning system according to claim 1, wherein a guide wheel is fixed to the top of the tower, and the main cable is engaged with the guide wheel.
3. The hydrographic cableway odometry starting point auxiliary positioning system of claim 1 wherein the main cables are parallel to the auxiliary cables.
4. The hydrographic cableway current-measuring origin distance auxiliary positioning system according to claim 1, wherein said circulating cable comprises a plurality of reciprocating vertical sections between the top of the tower and the hydrographic winch, a counterweight being suspended from the lower end of said vertical section in the middle of said tower;
the balance weight is fixedly provided with a horizontal connecting rod, two ends of the horizontal connecting rod are respectively provided with a ring buckle, and each ring buckle is respectively sleeved outside one vertical section.
5. The hydrographic cableway current-measuring origin distance auxiliary positioning system according to claim 4, further comprising a lower limit switch in signal connection with the controller, the lower limit switch being disposed at the bottom of the tower.
6. The auxiliary positioning system for the current-measuring starting point distance of the hydrographic cableway according to claim 1, wherein the roots of the two towers are fixed to a first installation foundation, the two ends of the main cable are fixed to a second installation foundation, and the first installation foundation and the second installation foundation are fixed to a current-measuring water bank.
7. The hydrographic cableway survey starting point is apart from assistance-localization real-time system of claim 1, characterized in that, the distance between any two adjacent locating tablets is 5N meters, N is a positive integer.
8. The hydrographic cableway current-measuring origin distance auxiliary positioning system according to claim 5, further comprising a control room located on the same side of the current-measuring water area as the tower inside which the counterweight is disposed, the controller and the hydrographic winch being located within the control room.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810636274.8A CN109059874B (en) | 2018-06-20 | 2018-06-20 | Auxiliary positioning system for flow measurement starting point distance of hydrological cableway |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810636274.8A CN109059874B (en) | 2018-06-20 | 2018-06-20 | Auxiliary positioning system for flow measurement starting point distance of hydrological cableway |
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| CN109059874A CN109059874A (en) | 2018-12-21 |
| CN109059874B true CN109059874B (en) | 2021-03-02 |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101705831B (en) * | 2009-10-22 | 2011-10-19 | 武汉武大巨成加固实业有限公司 | Construction method for installing support rapidly by using rear chambering self-locking anchor rod |
| CN201647839U (en) * | 2009-12-04 | 2010-11-24 | 武汉钢铁(集团)公司 | Crown block counterweight limit device |
| KR20110122590A (en) * | 2010-05-04 | 2011-11-10 | 황재호 | Streamflow estimation system and method using radar |
| CN202304910U (en) * | 2011-11-04 | 2012-07-04 | 王慧斌 | Hydrological cableway testing system of suspended acoustical Doppler velocity meter |
| CN202512017U (en) * | 2011-12-29 | 2012-10-31 | 华南理工大学 | Device for gauge length graving and assisted final gauge length measurement of tension test piece |
| CN203615933U (en) * | 2013-11-14 | 2014-05-28 | 水利部南京水利水文自动化研究所 | Light hydrologic cableway |
| CN206339229U (en) * | 2017-01-10 | 2017-07-18 | 左庆科 | A kind of novel protective hydrometric cableway |
| CN207451494U (en) * | 2017-07-24 | 2018-06-05 | 张俊 | A kind of new cableway hydrographic winch |
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