A hydraulic turbine performance testing device

Abstract

The invention discloses a hydraulic turbine performance test device, belonging to the technical field of hydraulic turbines. The device comprises a test frame, a test filling mechanism for filling different liquids is arranged on the side wall of the test frame; the liquid outlet of the test filling mechanism is connected with the liquid inlet of the hydraulic turbine mechanism arranged on the test frame through a detachable delivery pipe; the test frame is provided with a performance test monitoring mechanism for monitoring the hydraulic turbine performance of different liquids; by arranging the test filling mechanism and the performance test monitoring mechanism, it is realized to test the electric energy generated by different liquids after flowing through the hydraulic turbine mechanism at different temperatures and different flow rates, and the damage degree of the liquid to the turbine equipment under different conditions can be checked through the observation mechanism, and the damaged parts can be replaced in time, so as to avoid affecting the accuracy of the test result; the invention has the characteristics of multiple test types, high test efficiency and high accuracy of the test result.

Description

Technical Field

[0001] The invention belongs to the technical field of hydraulic turbines, and in particular relates to a hydraulic turbine performance testing device. Background Art

[0002] A hydraulic turbine is a mechanical device that converts the pressure energy in a liquid fluid into mechanical energy. The hydraulic turbine can be used to recycle the residual pressure of the liquid in the process and convert it into mechanical energy to drive the mechanical equipment to achieve energy saving. Technically, if there is 20KW of recovered energy, it can be recycled by a hydraulic turbine; in practice, the liquid to be tested is transmitted to the hydraulic turbine performance test equipment through a large number of pipelines, and the liquid will suffer a great loss of mass during the transmission process, affecting the test efficiency and test results; and the hydraulic turbine equipment has a certain working temperature when working. It is not that the higher the temperature of the liquid introduced, the higher the conversion recovery efficiency of the hydraulic turbine, but at a specific temperature, the energy recovery efficiency of the hydraulic turbine equipment is higher, otherwise it will cause a certain amount of energy waste; in order for the hydraulic turbine equipment to play the best working efficiency, the liquid temperature needs to be set to the optimal temperature; at present, there is no energy recovery performance test equipment that can achieve the higher working efficiency of the hydraulic turbine equipment at a certain temperature.

[0003] The Chinese invention patent application with publication number CN116608075A discloses a hydraulic turbine performance test device for gas-containing working conditions, comprising: a mixing tank; a gas tank, whose gas outlet is connected to the inlet of the mixing tank through a gas delivery pipe, and the gas delivery pipe is equipped with a gas delivery pump, a gas flow meter and a first valve; a water storage tank, whose water outlet is connected to the inlet of the mixing tank through a water delivery pipe, and the water delivery pipe is equipped with a water delivery pump and a second valve; a support box; a hydraulic turbine, which is arranged in the support box, and whose liquid inlet is connected to the outlet of the mixing tank through a liquid outlet pipe, and the liquid outlet pipe is equipped with a There is a liquid pump; a dynamometer; a sliding tube, a first end of which passes through a support box and is connected to the rotor of the hydraulic turbine, and a second end of which is connected to the rotating shaft of the dynamometer; an amplitude detection component, which is connected to the inner wall of the support box and is sleeved with a sliding tube for monitoring the amplitude of the rotor of the hydraulic turbine; however, this technical solution only tests the vibration amplitude of the rotor of the hydraulic turbine under gas-containing liquid, and does not realize the performance test of the hydraulic turbine under different liquids at different temperatures and different flow rates, nor does it realize the test of the efficiency of the turbine liquid in generating electricity, and the test types are incomplete. Summary of the invention

[0004] In order to overcome the shortcomings of the above-mentioned prior art, the purpose of the present invention is to provide a hydraulic turbine performance testing device. By setting a test filling mechanism and a performance test monitoring mechanism, it is possible to test the situation in which different liquids generate electricity after flowing through a hydraulic turbine mechanism at different temperatures and different flow rates, and through the observation mechanism, it is possible to check the degree of damage to the hydraulic turbine mechanism caused by the liquid under different conditions, and replace damaged parts in time to avoid affecting the accuracy of the test results. The present invention has the characteristics of multiple test types, high test efficiency and high accuracy of test results.

[0005] In order to achieve the above object, the technical solution adopted by the present invention is as follows:

[0006] A hydraulic turbine performance testing device comprises a test frame, wherein a test filling mechanism for filling different liquids is arranged on the side wall of the test frame; the liquid outlet of the test filling mechanism is connected with the liquid inlet of the hydraulic turbine mechanism arranged on the test frame through a detachable delivery pipe; and a performance test monitoring mechanism for monitoring the hydraulic turbine performance of different liquids is arranged on the test frame.

[0007] The test filling mechanism comprises a conveying tank arranged on the side wall of the test frame, a conveying cavity is arranged in the conveying tank, a plurality of heating cavities are evenly arranged on the outer peripheral cavity wall of the conveying cavity, and a heating wire is arranged on the inner cavity wall of the heating cavity; an injection pipe penetrating the top tank body of the conveying tank is arranged on the top of the conveying tank, one end of the injection pipe is connected with the liquid inlet of the conveying cavity, the liquid outlet of the conveying cavity is connected with one end of the extraction pipe through the extraction pump, the other end of the extraction pipe is connected with one end of the output pipe, the output pipe is arranged on the top of the conveying tank and penetrating the top tank body of the conveying tank, and the extraction pump is fixedly arranged on the cavity wall of the conveying cavity; a flow rate regulating valve is arranged on the pipeline at the other end of the output pipe, and an output threaded pipe is arranged above the flow rate regulating valve;

[0008] The signal input ends of the extraction pump and the flow rate regulating valve are connected to the signal output end of the control processor, and the signal input end of the control processor is connected to the signal output end of the input panel arranged on the test frame; the signal input end of the temperature controller of the heating wire is connected to the signal output end of the input panel.

[0009] The hydraulic turbine mechanism comprises an input threaded tube connected to the output threaded tube through a delivery pipe, the other end of the input threaded tube passes through an upper cover plate, and the upper cover plate is connected to the test stand through a moving assembly; a first flow rate monitor is arranged inside the upper cover plate; a sealing ring is arranged at the inner bottom of the upper cover plate, and a sealing gasket fixedly installed at the inner bottom of the upper cover plate is arranged on the outer side of the sealing ring; a lower cover plate is arranged below the upper cover plate, and a sealing groove matched with the sealing ring is processed inside the lower cover plate; the lower cover plate is connected to the through hole arranged on the test stand The top of the flat tank is connected, an input channel connected to the lower cover plate is arranged in the turbine tank, and the input channel is connected to the liquid inlet of the turbine chamber arranged in the turbine tank; a turbine shaft is arranged in the turbine chamber, one end of the turbine shaft penetrates the wall of the turbine chamber and extends to the outside of the turbine tank; a plurality of turbine blades are evenly arranged on the shaft of the turbine shaft located in the turbine chamber; the liquid outlet of the turbine chamber is connected to the discharge channel penetrating the wall of the turbine tank, and a temperature sensor and a second flow rate monitor are respectively arranged on the inner wall of the discharge channel;

[0010] The signal output ends of the first flow rate monitor, the second flow rate monitor and the temperature sensor are all connected to the signal input end of the control processor, and the signal output end of the control processor is connected to the signal input end of the display panel arranged on the test stand.

[0011] The moving assembly includes height adjustment plates symmetrically arranged on both sides of the outer periphery of the upper cover plate, the bottom of the height adjustment plate is fixedly connected to one end of the filling lifting electric push rod, the other end of the filling lifting electric push rod is fixedly connected to the moving nut block, the moving nut block is threadedly connected to the moving lead screw, one end of the moving lead screw is connected to the power output shaft of the moving motor arranged in the test frame, the moving lead screw is arranged in the moving slide groove, the moving nut block reciprocates along the axial direction of the moving lead screw in the moving slide groove, and the moving slide groove is symmetrically arranged on the test frame and located on both sides of the hydraulic turbine mechanism;

[0012] The signal input ends of the filling lifting electric push rod and the moving motor are connected to the signal output end of the control processor, and the signal input end of the control processor is connected to the signal output end of the input panel arranged on the test stand.

[0013] The performance test monitoring mechanism includes a monitoring block arranged on the test frame, wherein a cavity is arranged inside the monitoring block, and one end of the turbine shaft extending to the outside of the turbine tank body passes through the cavity and extends to the outside of the monitoring block, and is connected to the power input shaft of the generator; a speed monitor is arranged on the cavity wall at the bottom of the cavity; a vibration monitoring cavity connected to the cavity is arranged in the monitoring block, and a vibration monitor in contact with the axial surface of the turbine shaft is arranged on the cavity wall at the bottom of the vibration monitoring cavity; the generator is connected to the battery arranged on the test frame through a wire; the battery is connected to the power monitor arranged on the test frame through a monitoring wire;

[0014] The signal output ends of the rotation speed monitor, the vibration monitor and the power monitor are all connected to the signal input end of the control processor, and the signal output end of the control processor is connected to the signal input end of the display panel arranged on the test stand.

[0015] The turbine tank body is also provided with an observation mechanism, which includes an observation chamber provided in the turbine tank body, an observation gear shaft provided in the observation chamber, one end of the observation gear shaft is connected to the power output shaft of the observation motor provided in the turbine tank body, the other end of the observation gear shaft is fixedly connected to the observation gear, the observation gear is meshed with an annular rack provided in the turbine chamber, a plurality of observation rods parallel to the turbine shaft are evenly provided on the annular rack, the length of the observation rods is equal to the length of the turbine shaft in the turbine chamber, each observation rod is provided with a plurality of side wall observation sensors and fan blade observation sensors, and the side wall observation sensors and fan blade observation sensors are staggered and evenly distributed;

[0016] The signal input end of the observation motor is connected to the signal output end of the control processor, and the signal input end of the control processor is connected to the signal output end of the input panel set on the test frame; the signal output ends of the side wall observation sensor and the fan blade observation sensor are both connected to the signal input end of the control processor, and the signal output end of the control processor is connected to the signal input end of the display panel set on the test frame.

[0017] A motion mechanism is arranged on the side wall of the test frame, and the motion mechanism includes a motion frame symmetrically arranged on the side wall of the test frame, a steering motor is embedded in the bottom of the motion frame, a power output shaft of the steering motor is fixedly connected to one end of the steering shaft, the steering shaft is fixedly embedded in the rotating block, and the rotating block is connected to the motion frame through a stabilizing ring; a motion motor is arranged in the rotating block, a power output shaft of the motion motor is fixedly connected to one end of the motion rotating shaft, and the other end of the motion rotating shaft is fixedly connected to the motion wheel;

[0018] The signal input ends of the steering motor and the motion motor are both connected to the signal output end of the control processor, and the signal input end of the control processor is connected to the signal output end of the input panel arranged on the test stand.

[0019] The rotating block is provided with a brake mechanism, which includes a brake frame arranged outside the rotating block, the bottom of the brake frame is fixedly connected to one end of the brake electric push rod, the other end of the brake electric push rod is fixedly connected to the brake tooth, and a brake gear arranged around the moving shaft is arranged below the brake tooth, and the brake tooth can be inserted into the brake gear;

[0020] The signal input end of the brake electric push rod is connected to the signal output end of the control processor, and the signal input end of the control processor is connected to the signal output end of the input panel arranged on the test stand.

[0021] The bottom of the test frame is provided with a stabilizing mechanism, which includes a plurality of stabilizing electric push rods arranged at the bottom of the test frame, the bottom ends of the plurality of stabilizing electric push rods are fixedly connected to the stabilizing frame, an air pumping cavity is arranged in the stabilizing frame, and the air outlet of the air pumping cavity is connected to the air inlet of the air pump arranged at the top of the air pumping cavity; the bottom of the air pumping cavity is connected to a plurality of adsorption plates, the adsorption plates are provided with electric one-way valves, and the electric one-way valves are plugged with plug blocks;

[0022] The signal input ends of the stable electric push rod, the vacuum pump and the electric one-way valve are all connected to the signal output end of the control processor, and the signal input end of the control processor is connected to the signal output end of the input panel arranged on the test stand.

[0023] A clamping mechanism is provided on the top of the moving frame near the turbine tank body, the clamping mechanism comprises a fixed block provided on the top of the moving frame near the turbine tank body, the top of the fixed block is fixedly connected to one end of the height adjustment electric push rod, the other end of the height adjustment electric push rod is fixedly connected to the connecting block, the side wall of the connecting block is fixedly connected to one end of the clamping electric push rod, the other end of the clamping electric push rod is fixedly connected to the clamping plate, the shape of the clamping plate is adapted to the tank body of the turbine tank body;

[0024] The signal input ends of the height adjustment electric push rod and the clamping electric push rod are both connected to the signal output end of the control processor, and the signal input end of the control processor is connected to the signal output end of the input panel arranged on the test stand.

[0025] Compared with the prior art, the present invention has the following beneficial effects:

[0026] 1. The present invention provides a test filling mechanism to provide different liquids to the hydraulic turbine mechanism for hydraulic turbine performance testing, and can also test the hydraulic turbine performance at different temperatures and different flow rates, with a wide variety of tests.

[0027] 2. The present invention provides an observation mechanism, so that after a test process is completed, the degree of damage to the hydraulic turbine mechanism caused by the liquid under different conditions can be observed.

[0028] 3. The present invention is capable of monitoring the efficiency of liquid in generating electricity under different conditions by providing a performance test monitoring mechanism.

[0029] 4. The present invention provides a moving mechanism to more conveniently move the hydraulic turbine performance test equipment to the storage location of the liquid to be tested, thereby avoiding the loss of liquid mass caused by transmission through a large number of pipelines and improving the test efficiency; and by providing a stabilizing mechanism, the shaking of the hydraulic turbine performance test equipment during the test is avoided, thereby increasing stability and improving the test effect.

[0030] In summary, the present invention realizes the test of the generation of electrical energy by different liquids after flowing through the hydraulic turbine mechanism at different temperatures and different flow rates by setting up a test filling mechanism and a performance test monitoring mechanism, and the damage degree of the hydraulic turbine mechanism caused by the liquid under different conditions can be checked through the observation mechanism, and the damaged parts can be replaced in time to avoid affecting the accuracy of the test results; the present invention has the characteristics of multiple test types, high test efficiency and high accuracy of test results. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a schematic diagram of the first direction structure of a hydraulic turbine performance testing device in the present invention.

[0032] Figure 2 It is a schematic diagram of the second direction structure of a hydraulic turbine performance testing device in the present invention.

[0033] Figure 3 It is a schematic diagram of the third direction structure of a hydraulic turbine performance testing device in the present invention.

[0034] Figure 4 It is a schematic diagram of the fourth direction structure of a hydraulic turbine performance testing device in the present invention.

[0035] Figure 5 It is a schematic diagram of the fifth direction structure of a hydraulic turbine performance testing device in the present invention.

[0036] Figure 6 It is a sixth direction structural schematic diagram of a hydraulic turbine performance testing device in the present invention.

[0037] Figure 7 for Figure 6 Schematic diagram of the cross-sectional structure at AA in the middle.

[0038] Figure 8 for Figure 7 Schematic diagram of the cross-sectional structure at BB in the middle.

[0039] Fig. 9 for Figure 6 Schematic diagram of the cross-sectional structure at CC in the middle.

[0040] Fig.10 for Figure 6 Schematic diagram of the cross-sectional structure at DD in the middle.

[0041] Fig.11 It is a structural schematic diagram of the observation mechanism provided in the present invention.

[0042] Fig.12 It is a schematic diagram of the combined structure of the delivery pipe and the connector provided in the present invention.

[0043] In the figure: 1-test frame, 2-motion frame, 3-motion wheel, 4-transport tank, 5-injection pipe, 6-output pipe, 7-flow rate regulating valve, 8-fixed block, 9-height adjustment electric push rod, 10-connection block, 11-turbine tank, 12-hanging ring, 13-height adjustment plate, 14-upper cover, 15-input threaded pipe, 16-lower cover, 17-sealing groove, 18-filling lifting electric push rod, 19-monitoring block, 20-generator, 21-battery, 22-control console, 23-input panel, 24- Display panel, 25-rotating block, 26-signal line jack, 27-clamping electric push rod, 28-clamping plate, 29-moving slide, 30-moving screw, 31-moving nut block, 32-moving shaft, 33-turbine shaft, 34-generator fixing plate, 35-electricity monitor, 36-monitoring wire, 37-wire, 38-battery mounting plate, 39-battery fixing bolt, 40-generator fixing bolt, 41-brake gear, 42-adsorption plate, 43-stabilizing frame, 44-output threaded pipe, 4 5-turbine equipment mounting frame, 46-turbine fixing bolt, 47-discharge channel, 48-stabilizing electric push rod, 49-brake frame, 50-brake electric push rod, 51-brake tooth, 52-input channel, 53-sealing pad, 54-sealing ring, 55-first flow rate monitor, 56-cavity, 57-speed monitor, 58-vibration monitoring cavity, 59-vibration monitor, 60-air extraction cavity, 61-insert block, 62-electric check valve, 63-air extraction pump, 64-second flow rate monitor, 65-temperature sensor Device, 66-observation motor, 67-observation chamber, 68-observation gear, 69-observation gear shaft, 70-heating chamber, 71-conveying chamber, 72-turbine chamber, 73-turbine blade, 74-stabilizing ring, 75-steering motor, 76-steering shaft, 77-motion motor, 78-heating wire, 79-extraction pipe, 80-extraction pump, 81-annular rack, 82-observation rod, 83-side wall observation sensor, 84-blade observation sensor, 85-first connecting head, 86-conveying pipe, 87-second connecting head. DETAILED DESCRIPTION

[0044] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0045] like Figure 1 and Fig.12 As shown, a hydraulic turbine performance test device includes a test frame 1, a test filling mechanism is provided on the side wall of the test frame 1, the test filling mechanism is used to fill different liquids, and can adjust the flow rate and temperature of the filled liquid; the liquid outlet of the test filling mechanism is connected to the liquid inlet of the hydraulic turbine mechanism arranged on the test frame 1 through a detachable delivery pipe 86; the test frame 1 is provided with a performance test monitoring mechanism for monitoring the hydraulic turbine performance of different liquids.

[0046] like Figure 1 and Figure 8 As shown, the test filling mechanism includes a delivery tank 4 arranged on the side wall of the test frame 1, a delivery cavity 71 is arranged in the delivery tank 4, a plurality of heating cavities 70 are evenly arranged on the outer peripheral cavity wall of the delivery cavity 71, and a heating wire 78 is arranged on the inner cavity wall of the heating cavity 70 for heating the liquid in the delivery cavity 71, so as to facilitate the testing of liquids at different temperatures; an injection pipe 5 is arranged on the top of the delivery tank 4, and one end of the injection pipe 5 is connected to the liquid inlet of the delivery cavity 71, and the liquid outlet of the delivery cavity 71 is connected to one end of the extraction pipe 79 through the extraction pump 80, and the extraction pipe 79 The other end of the output pipe 6 is connected with one end of the output pipe 6, the output pipe 6 is arranged on the top of the delivery tank 4 and passes through the top tank body of the delivery tank 4, and the extraction pump 80 is fixedly arranged on the cavity wall of the delivery cavity 71; a flow rate regulating valve 7 is arranged on the pipeline at the other end of the output pipe 6, which is used to adjust the liquid flow rate flowing through the output pipe 6, so as to facilitate the testing of liquids with different flow rates; an output threaded pipe 44 is arranged above the flow rate regulating valve 7, one end of the output threaded pipe 44 is connected with one end of the delivery pipe 86 through the first connector 85, and the other end of the delivery pipe 86 is connected with the liquid inlet of the hydraulic turbine mechanism through the second connector 87.

[0047] During operation, liquid enters the delivery chamber 71 through the injection pipe 5, and the liquid in the delivery chamber 71 is extracted by the extraction pump 80, flows through the extraction pipe 79, the output pipe 6, the flow rate regulating valve 7 and the output threaded pipe 44 in sequence, and then enters the hydraulic turbine mechanism through the delivery pipe 86; the flow rate regulating valve 7 adjusts the flow rate of the liquid, so as to facilitate the testing of liquids with different flow rates; when it is necessary to test liquids at different temperatures, the temperature of the heating wire 78 is controlled by the temperature controller of the heating wire 78, and the heating wire 78 heats the liquid in the delivery chamber 71 by physical heat conduction. After reaching a certain temperature, it is extracted by the extraction pump 80, so as to facilitate the testing of liquids at different temperatures.

[0048] like Figure 1 , Figure 4 , Figure 5 and Figure 7As shown, the hydraulic turbine mechanism includes an input threaded tube 15 connected to the output threaded tube 44 through a delivery tube 86, the other end of the input threaded tube 15 passes through the upper cover plate 14, and the upper cover plate 14 is connected to the test frame 1 through a moving component; a first flow rate monitor 55 is arranged inside the upper cover plate 14 for detecting the flow rate of the liquid entering the upper cover plate 14; a sealing ring 54 is arranged at the inner bottom of the upper cover plate 14, and a sealing gasket 53 fixedly installed at the inner bottom of the upper cover plate 14 is arranged on the outer side of the sealing ring 54; a lower cover plate 16 is arranged below the upper cover plate 14, and an annular sealing groove 17 adapted to the sealing ring 54 is processed inside the lower cover plate 16, and the sealing ring 54 can be inserted into the sealing groove 17 to seal the connection between the upper cover plate 14 and the lower cover plate 16; the lower cover plate 16 is connected to the top of the turbine tank body 11 arranged on the test frame 1, and an input channel 52 connected to the lower cover plate 16 is arranged in the turbine tank body 11, The input channel 52 is communicated with the liquid inlet of the turbine chamber 72 arranged in the turbine tank body 11; the turbine tank body 11 is fixedly mounted on the turbine equipment mounting frame 45, and the turbine equipment mounting frame 45 is detachably mounted on the test frame 1 through the turbine fixing bolts 46; a turbine shaft 33 is arranged in the turbine chamber 72, one end of the turbine shaft 33 passes through the wall of the turbine chamber 72 and extends to the outside of the turbine tank body 11; a plurality of turbine blades 73 are evenly arranged on the shaft of the turbine shaft 33 located in the turbine chamber 72; the liquid outlet of the turbine chamber 72 is communicated with the discharge channel 47 passing through the tank wall of the turbine tank body 11, and a temperature sensor 65 for detecting the liquid temperature during discharge and a second flow rate monitor 64 for detecting the liquid flow rate during discharge are respectively arranged on the inner wall of the discharge channel 47; a hanging ring 12 is symmetrically arranged on the top of the turbine tank body 11, and when the turbine tank body 11 is damaged and needs to be replaced, the hanging ring 12 is used to facilitate the disassembly and assembly of the turbine tank body 11.

[0049] like Figure 1 , Figure 2 and Figure 6 As shown, the moving component includes a height adjustment plate 13 symmetrically arranged on both sides of the outer periphery of the upper cover plate 14, the bottom of the height adjustment plate 13 is fixedly connected to one end of the filling lifting electric push rod 18, the other end of the filling lifting electric push rod 18 is fixedly connected to the moving nut block 31, the moving nut block 31 is threadedly connected to the moving screw 30, one end of the moving screw 30 is connected to the power output shaft of the moving motor arranged in the test frame 1, the moving screw 30 is arranged in the moving slide groove 29, the moving nut block 31 slides back and forth along the axial direction of the moving screw 30 in the moving slide groove 29, and the moving slide groove 29 is symmetrically arranged on the test frame 1 and is located on both sides of the hydraulic turbine mechanism.

[0050] During operation, the moving motor is started to drive the moving screw 30 to rotate, thereby driving the moving nut block 31 to move axially along the moving screw 30, thereby driving the filling lifting electric push rod 18, the height adjustment plate 13 and the upper cover plate 14 to move axially along the moving screw 30. When the upper cover plate 14 moves to the top of the lower cover plate 16, the filling lifting electric push rod 18 is started, and the filling lifting electric push rod 18 moves downward, driving the height adjustment plate 13 and the upper cover plate 14 to move downward together, until the sealing ring 54 in the lower cover plate 16 is inserted into the sealing groove 17 in the upper cover plate 14, and the edge position of the lower cover plate 16 is sealed by the sealing gasket 53, so that the upper cover The plate 14 is sealed and connected with the lower cover plate 16; the liquid enters the input threaded tube 15 through the delivery pipe 86, flows through the upper cover plate 14 and the lower cover plate 16 in turn, enters the input channel 52, and then enters the turbine chamber 72, contacts the turbine blades 73, drives the turbine shaft 33 to rotate, and the liquid after the turbine flows through the discharge channel 47 to be discharged; when the liquid flows through the first flow rate monitor 55, the first flow rate monitor 55 detects the flow rate of the liquid entering the upper cover plate 14; when the liquid flows through the discharge channel 47 and is discharged, the temperature sensor 65 detects the temperature of the discharged liquid, and the second flow rate monitor 64 detects the flow rate of the discharged liquid.

[0051] like Figure 7 and Fig.11 As shown, an observation mechanism is provided in the turbine tank body 11 for observing the situation inside the turbine cavity 72. The observation mechanism includes an observation cavity 67 provided in the turbine tank body 11. An observation gear shaft 69 is provided in the observation cavity 67. One end of the observation gear shaft 69 is connected to the power output shaft of the observation motor 66 provided in the turbine tank body 11. The other end of the observation gear shaft 69 is fixedly connected to an observation gear 68. The observation gear 68 is meshed with an annular rack 81 provided in the turbine cavity 72. A plurality of observation rods 82 parallel to the turbine shaft 33 are evenly provided on the annular rack 81. The length of the observation rod 82 is equal to the length of the turbine shaft 33 located in the turbine cavity 72. A plurality of side wall observation sensors 83 and fan blade observation sensors 84 are provided on each observation rod 82. The side wall observation sensors 83 and fan blade observation sensors 84 are staggered and evenly distributed.

[0052] During operation, the observation motor 66 is started to drive the observation gear shaft 69 to rotate, thereby driving the observation gear 68 to rotate. The observation gear 68 is meshed with the annular rack 81, driving the annular rack 81 and the observation rod 82 to rotate together, thereby driving the side wall observation sensor 83 and the fan blade observation sensor 84 to rotate. The fan blade observation sensor 84 detects the surface of the turbine fan blade 73, and the side wall observation sensor 83 detects the cavity wall of the turbine cavity 72 and the turbine shaft 33, so as to facilitate the detection of the degree of damage caused by different liquids to the cavity wall of the turbine cavity 72, the turbine fan blade 73 and the turbine shaft 33 at different flow rates and different temperatures.

[0053] like Figure 1 , Figure 2 , Figure 5 and Figure 7 As shown, the performance test monitoring mechanism includes a monitoring block 19 fixedly connected to the test frame 1, a cavity 56 is arranged inside the monitoring block 19, one end of the turbine shaft 33 extending to the outside of the turbine tank 11 passes through the cavity 56 and extends to the outside of the monitoring block 19, and is connected to the power input shaft of the generator 20, the generator 20 is fixedly mounted on the generator fixing plate 34, and the generator fixing plate 34 is detachably mounted on the test frame 1 through the generator fixing bolts 40; a speed monitor 57 is arranged on the cavity wall at the bottom of the cavity 56 for monitoring the speed of the turbine shaft 33; the monitoring block 19 is provided with a vibration monitoring cavity 58 connected to the cavity 56, and a vibration monitor 59 in contact with the axial surface of the turbine shaft 33 is provided on the cavity wall at the bottom of the vibration monitoring cavity 58, for monitoring the vibration of the turbine shaft 33; the generator 20 is connected to the battery 21 through the wire 37, and the battery 21 is fixedly mounted on the battery mounting plate 38, and the battery mounting plate 38 is detachably mounted on the test frame 1 through the battery fixing bolts 39; the battery 21 is connected to the power monitor 35 through the monitoring wire 36, and the power monitor 35 is fixedly mounted on the test frame 1.

[0054] During operation, the turbine shaft 33 rotates, driving the generator 20 to move. The electric energy generated by the generator 20 is input into the battery 21 for storage through the wire 37. The power monitor 35 monitors the power in the battery 21, so as to test the charging speed and battery capacity generated by different liquids at different flow rates and different temperatures in one test process.

[0055] like Figure 1 , Figure 5 and Fig. 9 As shown, a moving mechanism for moving the hydraulic turbine mechanism is arranged on the side wall of the test frame 1; the moving mechanism includes a moving frame 2 symmetrically arranged on the side wall of the test frame 1, a steering motor 75 is embedded in the bottom of the moving frame 2, a power output shaft of the steering motor 75 is fixedly connected to one end of the steering shaft 76, the steering shaft 76 is fixedly embedded in the rotating block 25, a moving motor 77 is arranged in the rotating block 25, a power output shaft of the moving motor 77 is fixedly connected to one end of the moving shaft 32, and the other end of the moving shaft 32 is fixedly connected to the moving wheel 3; the rotating block 25 is connected to the moving frame 2 through a stabilizing ring 74.

[0056] During operation, the motion motor 77 is started to drive the motion shaft 32 to rotate, thereby driving the motion wheel 3, the rotating block 25 and the motion frame 2 to move together, thereby driving the test frame 1 to move to the corresponding position; when steering is required, the steering motor 75 is started to drive the steering shaft 76 to rotate, thereby driving the rotating block 25, the motion shaft 32 and the motion wheel 3 to rotate to achieve steering.

[0057] like Figure 4 and Figure 8 As shown, a braking mechanism is provided on the rotating block 25, and the braking mechanism is used to brake the moving wheel 3 to prevent the moving shaft 32 from rotating; the braking mechanism includes a braking frame 49 arranged on the outside of the rotating block 25, and the bottom of the braking frame 49 is fixedly connected to one end of a braking electric push rod 50, and the other end of the braking electric push rod 50 is fixedly connected to a braking tooth 51, and a braking gear 41 is arranged below the braking tooth 51 and is ringed on the moving shaft 32, and the braking tooth 51 can be inserted into the braking gear 41.

[0058] During operation, when the test stand 1 moves to a corresponding position, the brake electric push rod 50 is started to move downward, driving the brake tooth 51 to move downward and insert into the brake gear 41 , thereby braking the moving shaft 32 .

[0059] like Figure 3 , Figure 4 and Figure 7 As shown, the bottom of the test frame 1 is provided with a stabilizing mechanism for stabilizing the test frame 1 to prevent the test frame 1 from shaking too much; the stabilizing mechanism includes a plurality of stabilizing electric push rods 48 arranged at the bottom of the test frame 1, and the bottom ends of the plurality of stabilizing electric push rods 48 are fixedly connected to the stabilizing frame 43, and an air suction chamber 60 is arranged in the stabilizing frame 43, and the air outlet of the air suction chamber 60 is connected to the air inlet of the air suction pump 63 arranged at the top of the air suction chamber 60; the bottom of the air suction chamber 60 is connected to a plurality of adsorption plates 42, and the adsorption plate 42 is provided with an electric one-way valve 62, and the electric one-way valve 62 is plugged with a plug block 61.

[0060] During operation, the stabilizing electric push rod 48 is started to move downward, driving the stabilizing frame 43 and the adsorption plate 42 to move downward together until the adsorption plate 42 contacts the ground; the vacuum pump 63 is started to extract the gas in the vacuum chamber 60, and then the gas in the adsorption plate 42 is extracted, so that the adsorption plate 42 is firmly adsorbed on the ground; after the test, the plug block 61 is pulled out to release the gas in the adsorption plate 42, and the adsorption plate 42 is no longer adsorbed on the ground.

[0061] like Figure 5 and Fig. 9 As shown, a clamping mechanism is provided at the top of the moving frame 2 near the turbine tank body 11, which is used to clamp the turbine tank body 11; the clamping mechanism includes a fixed block 8 provided at the top of the moving frame 2 near the turbine tank body 11, the top of the fixed block 8 is fixedly connected to one end of the height adjustment electric push rod 9, the other end of the height adjustment electric push rod 9 is fixedly connected to the connecting block 10, the side wall of the connecting block 10 is fixedly connected to one end of the clamping electric push rod 27, the other end of the clamping electric push rod 27 is fixedly connected to the clamping plate 28, and the shape of the clamping plate 28 is adapted to the tank body of the turbine tank body 11;

[0062] During operation, the height adjustment electric push rod 9 is started to move upward, driving the connecting block 10 and the clamping plate 28 to move upward together until the clamping plate 28 moves to the corresponding position, and the clamping electric push rod 27 is started to move, driving the clamping plate 28 to move until the clamping plate 28 is clamped on the turbine tank body 11, thereby clamping the turbine tank body 11 to prevent the turbine tank body 11 from shaking during testing.

[0063] like Figure 1 and Figure 6 As shown, the test stand 1 is provided with a console 22, and the console 22 is provided with an input panel 23 for inputting corresponding operation instructions and a display panel 24 for displaying corresponding information. The signal output end of the input panel 23 is connected to the signal input end of the control processor arranged in the console 22, and the control processor is provided with a corresponding control program; the signal output end of the control processor is respectively connected to the signal input ends of the filling and lifting electric push rod 18, the height adjustment electric push rod 9, the clamping electric push rod 27, the flow rate regulating valve 7, the moving motor, the braking electric push rod 50, the observation motor 66, the suction pump 63, the electric one-way valve 62, the steering motor 75, the motion motor 77, the extraction pump 80, and the stabilization electric push rod 48; the signal output ends of the first flow rate monitor 55, the second flow rate monitor 64, the temperature sensor 65, the side wall observation sensor 83, the fan blade observation sensor 84, the speed monitor 57, the vibration monitor 59, and the power monitor 35 are all connected to the signal input end of the control processor. , the signal output end of the control processor is connected to the signal input end of the display panel 24; the signal output end of the input panel 23 is connected to the signal input end of the temperature controller of the heating wire 78, and the temperature controller controls the heating wire 78 to be energized to heat the liquid; a plurality of signal line jacks 26 are provided on the console 22, and the plurality of signal line jacks 26 are respectively connected to the control processor and the temperature controller of the heating wire 78 through signal lines; a plurality of signal line jacks 26 are respectively connected to the filling and lifting electric push rod 18, the height adjustment electric push rod 9, the clamping electric push rod 27, the flow rate regulating valve 7, the moving motor, the braking electric push rod 50, the observation motor 66, the suction pump 63, the electric one-way valve 62, the steering motor 75, the motion motor 77, the extraction pump 80, the stabilization electric push rod 48, the first flow rate monitor 55, the second flow rate monitor 64, the temperature sensor 65, the fan blade observation sensor 84, the side wall observation sensor 83, the speed monitor 57, the vibration monitor 59, and the power monitor 35 through signal lines.

[0064] The working principle of the present invention is as follows:

[0065] During operation, the corresponding operation instruction is input on the input panel 23, and the instruction signal is transmitted to the control processor and the temperature controller of the heating wire 78. The control processor sends a signal to the corresponding electrical component to make the corresponding electrical component move, and the temperature controller of the heating wire 78 controls the heating wire 78 to energize and heat the liquid; at the same time, the corresponding electrical component can detect the relevant information and feed it back to the control processor, and the control processor transmits the relevant information signal to the display panel 24, which is displayed on the display panel 24; the motion mechanism is started to drive the test frame 1 to move to the corresponding position, and steering can be achieved during the movement; after moving to the corresponding position, the braking mechanism and the stabilizing mechanism are started to brake the moving shaft 32, and at the same time, the adsorption plate 42 is controlled to move downward to contact the ground and adsorb on the ground, thereby increasing the test time. Stability; start the clamping mechanism to clamp the turbine tank body 11 to prevent the turbine tank body 11 from shaking during the test; after clamping and fixing; start the test, start the test filling mechanism and the turbine mechanism, the liquid enters the hydraulic turbine mechanism through the test filling mechanism, the hydraulic turbine mechanism drives the generator 20 to generate electricity, and at the same time start the performance test monitoring mechanism, through the performance test monitoring mechanism to monitor the charging speed and battery capacity generated by different liquids flowing through the hydraulic turbine mechanism at different temperatures and different flow rates during a test process; after a test is completed, start the observation mechanism to observe the surface conditions of the cavity wall of the turbine cavity 72, the turbine blades 73 and the turbine shaft 33, and monitor the degree of damage caused by different liquids to the surface of the turbine shaft 33, the turbine blades 73 and the cavity wall of the turbine cavity 72 at different temperatures and different flow rates.

Claims

1. A hydraulic turbine performance testing device, comprising a test stand (1), characterized in that: A test filling mechanism for filling different liquids is provided on the side wall of the test frame (1); a liquid outlet of the test filling mechanism is connected to a liquid inlet of a hydraulic turbine mechanism arranged on the test frame (1) through a detachable delivery pipe (86); and a performance test monitoring mechanism for monitoring the performance of hydraulic turbines of different liquids is provided on the test frame (1); The test filling mechanism comprises a delivery tank (4) arranged on the side wall of the test frame (1), a delivery cavity (71) being arranged in the delivery tank (4), a plurality of heating cavities (70) being evenly arranged on the outer peripheral cavity wall of the delivery cavity (71), and a heating wire (78) being arranged on the inner cavity wall of the heating cavity (70); an injection pipe (5) penetrating the top tank body of the delivery tank (4) is arranged on the top of the delivery tank (4), one end of the injection pipe (5) is connected to the liquid inlet of the delivery cavity (71), and the delivery cavity (71) is provided with a heating wire (78). The liquid outlet of the delivery chamber (71) is connected to one end of the extraction pipe (79) through an extraction pump (80), and the other end of the extraction pipe (79) is connected to one end of the output pipe (6). The output pipe (6) is arranged at the top of the delivery tank (4) and passes through the top tank body of the delivery tank (4). The extraction pump (80) is fixedly arranged on the cavity wall of the delivery cavity (71); a flow rate regulating valve (7) is arranged on the pipeline at the other end of the output pipe (6), and an output threaded pipe (44) is arranged above the flow rate regulating valve (7); The signal input ends of the extraction pump (80) and the flow rate regulating valve (7) are connected to the signal output end of the control processor, and the signal input end of the control processor is connected to the signal output end of the input panel (23) arranged on the test stand (1); the signal input end of the temperature controller of the heating wire (78) is connected to the signal output end of the input panel (23); The hydraulic turbine mechanism comprises an input threaded tube (15) connected to the output threaded tube (44) via a delivery tube (86); the other end of the input threaded tube (15) passes through an upper cover plate (14); the upper cover plate (14) is connected to the test frame (1) via a moving assembly; a first flow rate monitor (55) is arranged inside the upper cover plate (14); a sealing ring (54) is arranged at the inner bottom of the upper cover plate (14); a sealing gasket (53) fixedly mounted on the inner bottom of the upper cover plate (14) is arranged outside the sealing ring (54); a lower cover plate (16) is arranged below the upper cover plate (14); a sealing groove (17) adapted to the sealing ring (54) is machined inside the lower cover plate (16); the lower cover plate (16) is connected to a turbine arranged on the test frame (1). The top of the tank body (11) is connected, and an input channel (52) connected to the lower cover plate (16) is arranged in the turbine tank body (11), and the input channel (52) is connected to the liquid inlet of the turbine chamber (72) arranged in the turbine tank body (11); a turbine shaft (33) is arranged in the turbine chamber (72), and one end of the turbine shaft (33) penetrates the wall of the turbine chamber (72) and extends to the outside of the turbine tank body (11); a plurality of turbine blades (73) are evenly arranged on the shaft of the turbine shaft (33) located in the turbine chamber (72); the liquid outlet of the turbine chamber (72) is connected to the discharge channel (47) penetrating the tank wall of the turbine tank body (11), and a temperature sensor (65) and a second flow rate monitor (64) are respectively arranged on the inner wall of the discharge channel (47); The signal output ends of the first flow rate monitor (55), the second flow rate monitor (64) and the temperature sensor (65) are all connected to the signal input end of the control processor, and the signal output end of the control processor is connected to the signal input end of the display panel (24) arranged on the test stand (1).

2. A hydraulic turbine performance testing device according to claim 1, characterized in that: The moving assembly comprises a height adjustment plate (13) symmetrically arranged on both sides of the outer periphery of the upper cover plate (14); the bottom of the height adjustment plate (13) is fixedly connected to one end of the filling lifting electric push rod (18); the other end of the filling lifting electric push rod (18) is fixedly connected to a moving nut block (31); the moving nut block (31) is threadedly connected to a moving screw rod (30); one end of the moving screw rod (30) is connected to a power output shaft of a moving motor arranged in the test frame (1); the moving screw rod (30) is arranged in a moving slide groove (29); the moving nut block (31) slides back and forth in the moving slide groove (29) along the axial direction of the moving screw rod (30); the moving slide groove (29) is symmetrically arranged on the test frame (1) and is located on both sides of the hydraulic turbine mechanism; The signal input ends of the filling lifting electric push rod (18) and the moving motor are both connected to the signal output end of the control processor, and the signal input end of the control processor is connected to the signal output end of the input panel (23) arranged on the test stand (1).

3. A hydraulic turbine performance testing device according to claim 1, characterized in that: The performance test monitoring mechanism comprises a monitoring block (19) arranged on the test frame (1), wherein a cavity (56) is arranged inside the monitoring block (19), and one end of the turbine shaft (33) extending to the outside of the turbine tank (11) passes through the cavity (56) and extends to the outside of the monitoring block (19), and is connected to the power input shaft of the generator (20); a rotation speed monitor (57) is arranged on the cavity wall at the bottom of the cavity (56); a vibration monitoring cavity (58) communicating with the cavity (56) is arranged inside the monitoring block (19), and a vibration monitor (59) in contact with the axial surface of the turbine shaft (33) is arranged on the cavity wall at the bottom of the vibration monitoring cavity (58); the generator (20) is connected to a storage battery (21) arranged on the test frame (1) through a wire (37); and the storage battery (21) is connected to a power monitor (35) arranged on the test frame (1) through a monitoring wire (36); The signal output ends of the rotation speed monitor (57), the vibration monitor (59) and the power monitor (35) are all connected to the signal input end of the control processor, and the signal output end of the control processor is connected to the signal input end of the display panel (24) arranged on the test stand (1).

4. A hydraulic turbine performance testing device according to claim 1, characterized in that: The turbine tank (11) is also provided with an observation mechanism, which includes an observation chamber (67) provided in the turbine tank (11), an observation gear shaft (69) provided in the observation chamber (67), one end of the observation gear shaft (69) being connected to a power output shaft of an observation motor (66) provided in the turbine tank (11), and the other end of the observation gear shaft (69) being fixedly connected to an observation gear (68), the observation gear (68) being meshed with an annular rack (81) provided in the turbine chamber (72), a plurality of observation rods (82) being evenly provided on the annular rack (81) and being parallel to the turbine shaft (33), the length of the observation rods (82) being equal to the length of the turbine shaft (33) located in the turbine chamber (72), each observation rod (82) being provided with a plurality of side wall observation sensors (83) and fan blade observation sensors (84), and the side wall observation sensors (83) and fan blade observation sensors (84) being staggered and evenly distributed; The signal input end of the observation motor (66) is connected to the signal output end of the control processor, and the signal input end of the control processor is connected to the signal output end of the input panel (23) arranged on the test frame (1); the signal output ends of the side wall observation sensor (83) and the fan blade observation sensor (84) are both connected to the signal input end of the control processor, and the signal output end of the control processor is connected to the signal input end of the display panel (24) arranged on the test frame (1).

5. A hydraulic turbine performance testing device according to any one of claims 1 to 4, characterized in that: A motion mechanism is arranged on the side wall of the test frame (1), and the motion mechanism comprises a motion frame (2) symmetrically arranged on the side wall of the test frame (1); a steering motor (75) is embedded in the bottom of the motion frame (2); a power output shaft of the steering motor (75) is fixedly connected to one end of a steering shaft (76); the steering shaft (76) is fixedly embedded in a rotating block (25); the rotating block (25) is connected to the motion frame (2) via a stabilizing ring (74); a motion motor (77) is arranged in the rotating block (25); a power output shaft of the motion motor (77) is fixedly connected to one end of a motion rotating shaft (32); and the other end of the motion rotating shaft (32) is fixedly connected to a motion wheel (3); The signal input ends of the steering motor (75) and the motion motor (77) are both connected to the signal output end of the control processor, and the signal input end of the control processor is connected to the signal output end of the input panel (23) arranged on the test stand (1).

6. A hydraulic turbine performance testing device according to claim 5, characterized in that: The rotating block (25) is provided with a brake mechanism, which includes a brake frame (49) arranged outside the rotating block (25), the bottom of the brake frame (49) is fixedly connected to one end of a brake electric push rod (50), the other end of the brake electric push rod (50) is fixedly connected to a brake tooth (51), and a brake gear (41) arranged around the moving shaft (32) is arranged below the brake tooth (51), and the brake tooth (51) can be inserted into the brake gear (41); The signal input end of the brake electric push rod (50) is connected to the signal output end of the control processor, and the signal input end of the control processor is connected to the signal output end of the input panel (23) arranged on the test stand (1).

7. The hydraulic turbine performance testing device according to claim 5, characterized in that: The bottom of the test frame (1) is provided with a stabilizing mechanism, which includes a plurality of stabilizing electric push rods (48) arranged at the bottom of the test frame (1), the bottom ends of the plurality of stabilizing electric push rods (48) are fixedly connected to the stabilizing frame (43), an air pumping cavity (60) is arranged in the stabilizing frame (43), the air outlet of the air pumping cavity (60) is connected to the air inlet of an air pump (63) arranged at the top of the air pumping cavity (60); the bottom of the air pumping cavity (60) is connected to a plurality of adsorption disks (42), an electric one-way valve (62) is arranged on the adsorption disk (42), and an insert (61) is plugged into the electric one-way valve (62); The signal input ends of the stabilizing electric push rod (48), the air pump (63) and the electric one-way valve (62) are all connected to the signal output end of the control processor, and the signal input end of the control processor is connected to the signal output end of the input panel (23) arranged on the test stand (1).

8. The hydraulic turbine performance testing device according to claim 5, characterized in that: A clamping mechanism is provided at the top of the moving frame (2) on the side close to the turbine tank body (11), and the clamping mechanism comprises a fixed block (8) provided at the top of the moving frame (2) on the side close to the turbine tank body (11), the top of the fixed block (8) is fixedly connected to one end of a height adjustment electric push rod (9), the other end of the height adjustment electric push rod (9) is fixedly connected to a connecting block (10), the side wall of the connecting block (10) is fixedly connected to one end of a clamping electric push rod (27), the other end of the clamping electric push rod (27) is fixedly connected to a clamping plate (28), and the shape of the clamping plate (28) is adapted to the tank body of the turbine tank body (11); The signal input ends of the height adjustment electric push rod (9) and the clamping electric push rod (27) are both connected to the signal output end of the control processor, and the signal input end of the control processor is connected to the signal output end of the input panel (23) arranged on the test stand (1).

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