The automatic precipitation system of Large Diameter Engineering dewatering well time control
Technical field
The utility model relates to the automatic precipitation system of a kind of Large Diameter Engineering dewatering well time control.
Background technology
At present, engineering dewatering substantially all relies on and manually manages, and because the engineering dewatering cycle is general longer, and need uninterrupted precipitation round the clock, at substantial is artificial.Artificial rainmaking differs because of each well inflow, backwater time difference is larger, not easily determine to start the correct time drawing water and stop pumping, very easily cause and start time of pumping excessively late (sleep on duty at night), groundwater table exceedes controlling water level, causes side slope, basic ater-casting water burst or agent structure floating accident.Also or termination of pumping is in time drawn water, and causes and burns pump accident.If precipitation personnel lack a sense of responsibility, above problem can frequently occur.Artificial rainmaking exist poor reliability, costly, many disadvantages such as efficiency is low.
Utility model content
The purpose of this utility model there is poor reliability, costly low with efficiency for solving current artificial rainmaking, affects the technical problem of engineering construction quality.
In order to solve the problems of the technologies described above, the utility model provides the time control of a kind of Large Diameter Engineering dewatering well automatic precipitation system, comprises mechanical system and Circuits System; Described mechanical system comprises cursory, cursory drive link, the stop contact pilotage that draws water, the fixing card of Ω shape and fixed head; Described Circuits System comprises Circuits System control cabinet, the stop that draws water, contactor, the time relay and submersible pump and failure alarm circuit system.
Described cursory be located at described dewatering well water surface top and be fixed on the bottom of described cursory drive link, the described stop contact pilotage that draws water is fixed on described cursory drive link, the described stop contact pilotage that draws water is positioned at described cursory top certain distance, described cursory drive link fixedly fastens on described fixed head by described Ω shape, the described stop that draws water is fixed on described fixed head, protrude fixed head plane, described in draw water stop be positioned at described in draw water certain distance above stop contact pilotage; Described fixed head is located in described dewatering well;
The described stop that draws water is connected with described contactor coil and described time relay coil, and in parallel with an auxiliary constant open contact of described contactor, connects, form automatic precipitation controlling brancher with the constant close contact of the described time relay; The main contacts of described contactor is connected to described submersible pump, and described contactor and the time relay are located in described Circuits System control cabinet.
Further, described mechanical system also comprises warning actuation button supporting plate, and described Circuits System also comprises auxiliary reclay, warning actuation button and alarm lamp;
Described fixed head top is provided with groove, and described warning actuation button embeds in described groove, and its surface flushes with described fixed head, and described warning actuation button supporting plate is fixed on the top of described cursory drive link;
Described warning actuation button and described auxiliary reclay coils connected in series form fault alarm controlling brancher, a constant open contact of described auxiliary reclay and described alarm lamp light warning branch road in series, described fault alarm controlling brancher, light warning branch road and described automatic precipitation controlling brancher three are in parallel.
Further, described fixed head top is provided with weather shield.
Further, 50cm bottom dewatering well described in described submersible pump distance from bottom.
Further, described in the stop contact pilotage that draws water be made up of the iron wire of diameter 2.6mm, it is around being fastened on described cursory drive link.
Further, the described cursory extruded polystyrene board being 100mm by thickness is made.
Further, described cursory drive link is made up of the pvc pipe of diameter 20mm.
Further, described Ω shape is fixed the galvanized sheet iron that card is 1mm by thickness and is made.
Further, the plastic plate that described warning actuation button supporting plate is 3mm by thickness is made.
Further, the flitch that described fixed head is 100mm × 50mm by cross section is made.
The utility model can realize the round-the-clock automatic precipitation comprising evil summary weather conditions, can arrange automatic pumping water level voluntarily and the water level that automatically stops pumping, facilitate the precipitation in engineering each stage to manage according to requirement of engineering; Can continue uninterrupted precipitation to greatest extent, safe and reliable, save artificial, precipitation efficiency maximizes.Because this system is by cursory spacing automatic startup precipitation, automatically precipitation is stopped by the time relay, manually need not carry out startup and the stopping of water pump, start and stop precipitation water level can free setting, and can accurately perform, reliability is high, circular flow, continues uninterrupted precipitation, efficiently solves each well inflow and differ, backwater time difference is comparatively large, a difficult problem for the wayward startup of artificial pumping and stopping precipitation time; The automatic precipitation system of Large Diameter Engineering dewatering well time control is simple, and assembling, operation, operation, convenient management, especially can guarantee lasting uninterrupted precipitation, stopped by neither wind or rain, for excavation slope and structural safety provide powerful guarantee; The material that cursory, the cursory drive link of this system, Ω shape fix card, warning actuation button supporting plate, draw water stop contact pilotage, fixed head and support use to be in construction the leftover bits and pieces such as remaining extruded polystyrene board, pvc pipe, galvanized sheet iron, plastic plate, iron wire, timber and to form, and turnover use can be repeated in multiple engineering, avoid consumption and the waste of material, reach twice laid, increase income and economize on spending, reduce engineering cost, increase reliability, improve the object of work efficiency.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model Circuits System control principle drawing;
Fig. 3 is the utility model mechanical system structure schematic diagram;
Fig. 4 is buoy structure schematic diagram;
Fig. 5 is cursory drive link structural representation;
Fig. 6 is Ω shape fixing structure schematic diagram;
Fig. 7 is warning actuation button support board structure schematic diagram;
Fig. 8 is the stop contact pin arrangement schematic diagram that draws water;
Fig. 9 is fixed plate structure schematic diagram;
Figure 10 is weather shield structural representation;
Figure 11 is supporting structure schematic diagram;
Figure 12 is workflow diagram of the present utility model;
Figure 13 is theory diagram of the present utility model;
Figure 14 a-14d is working state figure of the present utility model;
Figure 15 is for being working timing figure of the present utility model.
In figure: 1. Circuits System control cabinet; 2. draw water stop (SL1 namely in Fig. 2); 3. warning actuation button (SL2 namely in Fig. 2); 4. cursory; 5. cursory drive link; 6. the fixing card of Ω shape; 7. warning actuation button supporting plate; 8. draw water stop contact pilotage; 9. fixed head; 901. groove; 10. weather shield; 11. supports; 12. submersible pumps; 13. carry pump rope; 14. gutters; 15. submersible pump cables; 16. Circuits System cables; 17. dewatering wells; 18. grades; 19. cobbles; 20. waterlines; KM1. contactor; KT. the time relay; KM3. auxiliary reclay; HA. alarm lamp; M. motor for submerged pump.
Detailed description of the invention
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As shown in figures 1-15, the automatic precipitation system of Large Diameter Engineering dewatering well of the present utility model time control, comprises mechanical system and Circuits System; That mechanical system comprises is cursory 4, cursory drive link 5, the stop contact pilotage 8 that draws water, Ω shape fix card 6, warning actuation button supporting plate 7 and fixed head 9; Circuits System comprises Circuits System control cabinet 1, the stop 2 that draws water, contactor KM1, time relay KT, auxiliary reclay KM3, warning actuation button 3, alarm lamp HA and submersible pump 12;
Cursory 4 is 100mm by thickness, and extruded polystyrene board is made, and be located at the water surface top of dewatering well 17 and be fixed on the bottom of cursory drive link 5, cursory drive link 5 is made up of the pvc pipe of diameter 20mm; The stop contact pilotage 8 that draws water is made up of the iron wire of diameter 2.6mm, it is around being fastened on cursory drive link 5, the stop contact pilotage 8 that draws water be positioned at cursory 4 above certain distance, the stop 2 that draws water is fixed on fixed head 9, protrude fixed head 9 plane, the stop 2 that draws water is positioned at certain distance above the stop contact pilotage 8 that draws water; Fixed head 9 is positioned in dewatering well 17, and the placement degree of depth of fixed head 9 is determined according to the automatic pumping water level arranged; Fixed head 9 top is provided with groove 901, warning actuation button 3 embeds in groove 901, the surface of warning actuation button 3 flushes with fixed head 9, warning actuation button supporting plate 7 is firmly fixed at the top of cursory drive link 5 by stickup or other modes, and the plastic plate that warning actuation button supporting plate 7 is 3mm by thickness is made; Cursory drive link 5 is fixed card 6 by Ω shape and is fixed on fixed head 9, and the flitch that fixed head 9 is 100mm × 50mm by cross section is made, and Ω shape is fixed the galvanized sheet iron that card 6 is 1mm by thickness and made; Fixed head 9 top is provided with weather shield 10, prevents from rainwater from drenching drawing water stop 2 and warning actuation button 3 to cause short circuit.
The stop SL1 that draws water connects with contactor coil KM1 and time relay coil KT, and in parallel with an auxiliary constant open contact KM1 of contactor, connects, form automatic precipitation controlling brancher with the constant close contact KT of the time relay, the main contacts KM1 of contactor is connected to motor for submerged pump M, warning actuation button SL2 and auxiliary reclay coil KM3 fault alarm controlling brancher in series, a constant open contact KM3 of auxiliary reclay and alarm lamp HA light warning branch road in series, fault alarm controlling brancher, light warning branch road and precipitation controlling brancher three parallel connection automatically, each branch road also can be connected fuse, contactor KM1, time relay KT and auxiliary reclay KM3 is located in described Circuits System control cabinet 1, stop 2 and the warning actuation button 3 of drawing water is connected to Circuits System control cabinet 1 by Circuits System cable 16, submersible pump 12 is connected to Circuits System control cabinet 1 by submersible pump cable 15, gutter 14 is connected to the delivery port of submersible pump 12, employing is carried pump rope 13 and submersible pump 12 is put into dewatering well 17, make 50cm bottom submersible pump 12 distance from bottom dewatering well 17, Circuits System control cabinet 1 is located on the grade 18 outside dewatering well 17, dewatering well 17 outer exterior wall fills drainage by cobble 19.The well head place of dewatering well 17 is provided with support 11, and the flitch that support 11 is 100mm × 50mm by cross section is made, and carries pump rope 13, gutter 14, submersible pump cable 15 and Circuits System cable 16 etc. for supporting.
During automatic precipitation system work, when dewatering well 17 middle water level goes up to the buoyancy line of cursory 4, cause cursory 4 to float and drive cursory drive link 5 to rise, by being fixed on the stop contact pilotage 8 that draws water on cursory drive link 5, touch the SL1 drawn water in stop 2(and Fig. 2), the stop 2 (SL1 namely in Fig. 2) that draws water transmits the signal of telecommunication to the time relay KT in Circuits System control cabinet 1, opening time relay K T, time relay KT transmits the signal of telecommunication and draws water to the contactor KM1 in Circuits System control cabinet 1, contactor KM1 coil adhesive startup submersible pump 12.Pump process middle water level line 20 continuous decrease, first the stop 2 that draws water declines reset, and when time relay K T closes power-off to setting-up time, contactor KM1 power-off is separated and stops submersible pump 12 to draw water.Dewatering well 17 middle water level goes up, and when dewatering well 17 middle water level goes up to cursory 4 buoyancy lines, repeats above action, moves in circles, realize automatic precipitation.
For improving system reliability, the utility model is with fault alarm function, when motor for submerged pump M break down do not work time, dewatering well 17 middle water level goes up always, cursory 4 float drives cursory drive link 5 to rise, warning actuation button 3 is touched by the warning actuation button supporting plate 7 being fixed on cursory drive link 5 top, the closed signal of telecommunication that transmits of warning actuation button 3 (SL2 namely in Fig. 2) is to the auxiliary reclay KM3 in Circuits System control cabinet 1, open auxiliary reclay KM3, auxiliary reclay KM3 power-off, contactor KM1 power-off, precipitation Circuits System enters power-off protection state.Auxiliary reclay KM3 connects alarm lamp HA simultaneously, and alarm lamp HA reports to the police, and automatic precipitation system administrative staff fix a breakdown.As fault appears at electric elements before submersible pump 12 or Circuits System, alarm circuit system operating principle is identical, and when difference is only auxiliary reclay KM3 power-off, contactor KM1 may access failure power supply.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on manual, must determine its technical scope according to right.