CN101906764B - River-closure testing equipment - Google Patents
River-closure testing equipment Download PDFInfo
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- CN101906764B CN101906764B CN2010102291018A CN201010229101A CN101906764B CN 101906764 B CN101906764 B CN 101906764B CN 2010102291018 A CN2010102291018 A CN 2010102291018A CN 201010229101 A CN201010229101 A CN 201010229101A CN 101906764 B CN101906764 B CN 101906764B
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- frequency modulation
- modulation motor
- power transmission
- river
- feed bin
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Abstract
The invention discloses river-closure testing equipment consisting of a material delivery device, a material charging device and a control device. The material delivery device is a belt conveyer. The material charging device comprises at least four feed bins, a suspension rod and a drive system for driving the suspension rod to move vertically and transversely and rotate. Each feed bin comprises a bin body, a bottom plate hinged with the lower part of the bin body and an electromagnet arranged on the bin body, the four feed bins are arranged along the circumference of a bracket at equal intervals, and distance from each feed bin to the centre of the bracket is equal. The suspension rod is connected with the central part of the bracket, and the suspension rod can drive the feed bins to rotate and move vertically and transversely when the drive system drives the suspension rod. The control device comprises a computer, a computer switch controller and a frequency modulation motor controller, one end of the computer switch controller is connected with the computer, while the other end of the computer switch controller is connected with the electromagnet arranged on the bin body of each feed bin, and one end of the frequency modulation motor controller is connected with the computer, while the other end of the frequency modulation motor controller is connected with a frequency modulation motor in the drive system.
Description
Technical field
The invention belongs to the model testing field of Hydraulic and Hydro-Power Engineering, particularly a kind of model test equipment that dams that is used for the Longkou closure.
Background technology
The test of damming in the hydraulic engineering must be carried out model testing, and model testing should guarantee and on-the-spot similitude, with regard to the model testing of damming, mainly is jettisoning intensity and the Longkou discharge loss amount and on-the-spot similitude that guarantees cut-off material.In the existing model experiment of damming, owing to there is not special-purpose river-closure testing equipment, the intensity of jettisoninging of cut-off material is subjected to artificial influence very big, the Longkou can only be joined the two sections of a bridge, etc behind the fixing width, measure and study the hydraulic parameter of Longkou section, thereby can not clearly obtain the streamflow regime in the closure process and related parameter is arranged, can accurately not simulate the number of dropouts of the material of jettisoninging in the closure process.
Summary of the invention
The object of the present invention is to provide a kind of river-closure testing equipment,, guarantee jettisoning intensity and the Longkou discharge loss amount and on-the-spot similitude of cut-off material, and obtain the complete information in the closure process with the elimination artificial factor in the model testing of damming.
River-closure testing equipment of the present invention is made up of conveyer, charging device and control device; Described conveyer is a track conveyor; Described charging device comprises feed bin, suspension rod, drive the drive system of suspension rod lengthwise movement, transverse movement and rotation, base plate that feed bin is hinged by warehouse, with the warehouse bottom and the electromagnet that is installed on the warehouse constitute, feed bin is at least four, periphery along support is equidistantly installed, each feed bin to the distance of carriage center equates, suspension rod is connected with the centre of described support, under the driving of drive system, can be with feed bin to rotate, longitudinally (test model is clashed the dike direction) and horizontal (clashing the direction of dike perpendicular to test model) moves; Described control device comprises computer, computer switch controller, frequency modulation motor controller, one end of computer switch controller is connected with computer, the other end is connected with electromagnet on being installed in the feed bin warehouse, one end of frequency modulation motor controller is connected with computer, and the other end is connected with frequency modulation motor in the described drive system.
In the charging device of river-closure testing equipment of the present invention, each feed bin to the distance of carriage center be test model clash the dike width 1/2nd.
River-closure testing equipment of the present invention, its drive system that drives suspension rod lengthwise movement, transverse movement and rotation has multiple form of structure, considers preferred following structure from simplified structure, the angle being convenient to process:
Described drive system comprises guide rail, first tooth bar, first gear, first power transmission shaft, second tooth bar, second gear, second power transmission shaft, rectangle truss, adapter sleeve, first frequency modulation motor, second frequency modulation motor and the 3rd frequency modulation motor.The assembling mode of each parts and member: guide rail is two, the parallel installation of two guide rails, and the spacing between them is the width that test model is clashed dike; First tooth bar is two, is separately fixed on two guide rails; First power transmission shaft is two, and the horizontal edge frame that the spacing of being separated by is parallel to the rectangle truss is installed on the rectangle truss; First gear is four, is installed in the two ends of two first power transmission shafts respectively, forms transmission with first tooth bar, and first frequency modulation motor is two or four, and its power output shaft is connected with two first power transmission shafts respectively; Second tooth bar is two, is separately fixed on the widthwise edge frame of rectangle truss; Second power transmission shaft is one, and second gear is two, and two second gears are installed in the two ends of second power transmission shaft respectively, forms transmission with second tooth bar; Second frequency modulation motor is one or two, and its power output shaft is connected with second power transmission shaft; Adapter sleeve is installed on second power transmission shaft, and the 3rd frequency modulation motor is one, is installed in the adapter sleeve, and its power output shaft is connected with suspension rod.
During use, two guide rails in the river-closure testing equipment drive system of the present invention are fixed on the both sides that test model is clashed dike, the horizontal edge frame of rectangle truss is placed perpendicular to guide rail.With the practical project design intensity of jettisoninging is foundation, determines the volume of feed bin according to the test model ratio, adjusts the rotating speed of each frequency modulation motor in the drive system.In order to guarantee the continuity of cut-off material in the whole process of the test of damming, control by the cut-off material amount that computer is carried track conveyor.In the whole process of the test of damming, the conveying of cut-off material and jettisoninging by computer control and record.
The present invention has following beneficial effect:
1, all carries out automation in the whole process of the test of damming, position and jettisoninging of cut-off material that feed bin is clashed dike at test model are expected by computer control, thereby jettisoning intensity and the Longkou discharge loss amount and on-the-spot similitude, the error of having avoided human factor to bring of cut-off material have been guaranteed.
2, dam and accurately to obtain the hydraulic parameter under each width of Longkou and the cut-off material loss amount of Longkou tract in the process of the test, thereby provide reliable basis getting the raw materials ready of scene.
3, river-closure testing equipment is simple in structure, and is easy and simple to handle, has excellent adaptability.
Description of drawings
Fig. 1 is a kind of structural representation of river-closure testing equipment of the present invention;
Fig. 2 is the assembling schematic diagram of adapter sleeve in the river-closure testing equipment of the present invention, the 3rd frequency modulation motor, suspension rod and feed bin;
Fig. 3 is the structural representation of river-closure testing equipment middle gear tooth bar transmission of the present invention;
Fig. 4 is the lateral view of Fig. 3;
Fig. 5 is the structured flowchart of control device in the river-closure testing equipment of the present invention.
Among the figure, 1-guide rail, 2-first gear, 3-first tooth bar, 4-first frequency modulation motor, 5-truss, 6-second gear, 7-second tooth bar, 8-second frequency modulation motor, 9-adapter sleeve, 10-suspension rod, 11-feed bin, 12-support, 13-cut-off material, 14-conveyer belt, 15-drive, 16-the 4th frequency modulation motor, 17-first power transmission shaft, 18-second power transmission shaft, 19-the 3rd frequency modulation motor, 20-electromagnet, 21-feed bin warehouse, 22-feed bin base plate.
The specific embodiment
River-closure testing equipment of the present invention is described further by embodiment below in conjunction with accompanying drawing.
Present embodiment is certain power station model testing of damming, and this power station river closure design flow is at 727m
3/ s adopts the left bank Diversion Tunnel to carry out water conservancy diversion, and the drop up is to 7m, the Peak Flow Rate 7.45m/s of Longkou in the process of damming.According to the above-mentioned data model testing of damming, the width that test model is clashed dike is that 75cm, length are 300cm, and the volume of feed bin is 4 * 2.5 * 2cm
3, the time interval of jettisoninging is 3 feed bins/min.
In the present embodiment, the structure of river-closure testing equipment such as Fig. 1, shown in Figure 5 are made up of conveyer, charging device and control device.Described conveyer is a track conveyor, mainly constitutes (commercial goods is arranged) by conveyer belt 14, drive 15, the 4th frequency modulation motor 16, is installed in and is convenient to the magazine feed place.Described charging device comprises feed bin 11, suspension rod 10 and drive system; Base plate 22 that feed bin 11 is hinged by warehouse 21, with the warehouse bottom and the electromagnet 20 that is installed on the warehouse constitute, feed bin 11 is four, periphery along " cross " shape support 12 is installed, and each feed bin to the distance of carriage center equates, is test model and clashes 1/2nd of dike width; In the drive system, guide rail 1 is two, and two guide rails are fixed on test model and clash the both sides of dike and be parallel to each other, and the spacing between them is the width that test model is clashed dike; First tooth bar 3 is two, is separately fixed on two guide rails 1; Rectangle truss 5 is a connection piece, and its horizontal edge frame is placed perpendicular to guide rail; First power transmission shaft 17 is two, and the horizontal edge frame that the spacing of being separated by is parallel to the rectangle truss is installed on the rectangle truss 5; First gear 2 is four, is installed in the two ends of two first power transmission shafts 17 respectively, forms transmission with first tooth bar 3, and first frequency modulation motor 4 is four, and its power output shaft is connected with the two ends of two first power transmission shafts respectively; Second tooth bar 7 is two, is separately fixed on the widthwise edge frame of rectangle truss; Second power transmission shaft 18 is one, and second gear 6 is two, and two second gears 6 are installed in the two ends of second power transmission shaft respectively, forms transmission with second tooth bar 7; Second frequency modulation motor 8 is two, and its power output shaft is connected with the second power transmission shaft two ends respectively; Adapter sleeve 9 is installed on second power transmission shaft, and the 3rd frequency modulation motor 19 is one, is installed in the adapter sleeve 9; One end of suspension rod 10 is connected with the centre of described support 12, and its other end is connected with the 3rd frequency modulation motor 19.Described control device comprises computer, computer switch controller, frequency modulation motor controller, computer is general PC, the computer switch controller is selected computer RS232 serial ports control intelligent multichannel on-off controller (product specification J_COM-01) for use, and the frequency modulation motor controller is selected PCI motion control card (model PCI1010) for use; The computer switch controller is a cover, its signal input part is connected with computer, its signal output part respectively be installed in each feed bin warehouse on electromagnet 20 be connected, the PCI motion control card is seven, one end of each PCI motion control card is connected with computer respectively, and their other end is connected with each self-corresponding frequency modulation motor respectively.
During use, the operation computer, first frequency modulation motor 4 can drive first power transmission shaft 17 and rotate, thereby make rectangle truss band suspension rod and feed bin moves along guide rail, second frequency modulation motor 8 can drive second power transmission shaft 18 and rotate, thereby move with suspension rod and feed bin horizontal edge frame along rectangle truss 5, the 3rd frequency modulation motor 19 can drive suspension rod and feed bin rotates, make feed bin arrive charging position or the desired position that feeds intake, the 4th frequency modulation motor 16 can drive drive 15 and rotate, make track conveyor carry cut-off material 13, electromagnet can be switched on or cut off the power supply, and realizes charging and jettisonings material.
Claims (5)
1. river-closure testing equipment, it is characterized in that this river-closure testing equipment is by conveyer, charging device and control device are formed, described conveyer is a track conveyor, described charging device comprises feed bin (11), suspension rod (10), drive the suspension rod lengthwise movement, the drive system of transverse movement and rotation, feed bin (11) is by warehouse (21), constitute with the base plate (22) of warehouse bottom hinge and the electromagnet (20) that is installed on the warehouse, feed bin (11) is at least four, periphery along support (12) is equidistantly installed, each feed bin to the distance of carriage center equates, suspension rod (10) is connected with the centre of described support (12), described control device comprises computer, the computer switch controller, the frequency modulation motor controller, one end of computer switch controller is connected with computer, the other end is connected with electromagnet (20) on being installed in the feed bin warehouse, and an end of frequency modulation motor controller is connected with computer, and the other end is connected with frequency modulation motor in the described drive system.
2. river-closure testing equipment according to claim 1 is characterized in that described drive system comprises guide rail (1), first tooth bar (3), first gear (2), first power transmission shaft (17), second tooth bar (7), second gear (6), second power transmission shaft (18), rectangle truss (5), adapter sleeve (9), first frequency modulation motor (4), second frequency modulation motor (8) and the 3rd frequency modulation motor (19);
Guide rail (1) is two, the parallel installation of two guide rails, and the spacing between them is the width that test model is clashed dike; First tooth bar (3) is two, is separately fixed on two guide rails (1); First power transmission shaft (17) is two, and the horizontal edge frame that the spacing of being separated by is parallel to the rectangle truss is installed on the rectangle truss (5); First gear (2) is four, is installed in the two ends of two first power transmission shafts (17) respectively, forms transmission with first tooth bar (3), and first frequency modulation motor (4) is two or four, and its power output shaft is connected with two first power transmission shafts respectively; Second tooth bar (7) is two, is separately fixed on the widthwise edge frame of rectangle truss; Second power transmission shaft (18) is one, and second gear (6) is two, and two second gears (6) are installed in the two ends of second power transmission shaft respectively, forms transmission with second tooth bar (7); Second frequency modulation motor (8) is one or two, and its power output shaft is connected with second power transmission shaft; Adapter sleeve (9) is installed on second power transmission shaft, and the 3rd frequency modulation motor (19) is one, is installed in the adapter sleeve (9), and its power output shaft is connected with suspension rod (10).
3. river-closure testing equipment according to claim 1 and 2, it is characterized in that each feed bin (11) in the charging device to the distance of carriage center be test model clash the dike width 1/2nd.
4. river-closure testing equipment according to claim 1 and 2 is characterized in that the frequency modulation motor controller is the PCI motion control card.
5. river-closure testing equipment according to claim 3 is characterized in that the frequency modulation motor controller is the PCI motion control card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102291018A CN101906764B (en) | 2010-07-19 | 2010-07-19 | River-closure testing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102291018A CN101906764B (en) | 2010-07-19 | 2010-07-19 | River-closure testing equipment |
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| Publication Number | Publication Date |
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| CN101906764A CN101906764A (en) | 2010-12-08 |
| CN101906764B true CN101906764B (en) | 2011-07-20 |
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| CN2010102291018A Expired - Fee Related CN101906764B (en) | 2010-07-19 | 2010-07-19 | River-closure testing equipment |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU896161A1 (en) * | 1980-08-18 | 1982-01-07 | Войсковая часть 70170 | Apparatus for simulating streams formed upon breakage of the head front of dams |
| US5567078A (en) * | 1995-02-02 | 1996-10-22 | The United States Of America As Represented By The Secretary Of The Army | Method for forming a sloped face ice control structure |
| CN1138885A (en) * | 1994-11-22 | 1996-12-25 | 株木建设株式会社 | Appts. for transferring ready-mixed concrete |
| CN101078206A (en) * | 2006-05-22 | 2007-11-28 | 中港第三航务工程局 | Construction method for hollow square sloping breakwater |
| CN101768941A (en) * | 2010-03-22 | 2010-07-07 | 四川大学 | Diversion channel closure advancing dike of upstream cofferdam arranged on river channel |
-
2010
- 2010-07-19 CN CN2010102291018A patent/CN101906764B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU896161A1 (en) * | 1980-08-18 | 1982-01-07 | Войсковая часть 70170 | Apparatus for simulating streams formed upon breakage of the head front of dams |
| CN1138885A (en) * | 1994-11-22 | 1996-12-25 | 株木建设株式会社 | Appts. for transferring ready-mixed concrete |
| US5567078A (en) * | 1995-02-02 | 1996-10-22 | The United States Of America As Represented By The Secretary Of The Army | Method for forming a sloped face ice control structure |
| CN101078206A (en) * | 2006-05-22 | 2007-11-28 | 中港第三航务工程局 | Construction method for hollow square sloping breakwater |
| CN101768941A (en) * | 2010-03-22 | 2010-07-07 | 四川大学 | Diversion channel closure advancing dike of upstream cofferdam arranged on river channel |
Non-Patent Citations (1)
| Title |
|---|
| 惠遇甲等.《第八章 河工模型试验的设备和量测仪器》.《河工模型试验》.中国水利水电出版社,1999,128-140. * |
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| CN101906764A (en) | 2010-12-08 |
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