CN212429360U

CN212429360U - High-lift pump

Info

Publication number: CN212429360U
Application number: CN202020601469.1U
Authority: CN
Inventors: 陆明伟
Original assignee: Miaohui Energy Technology Shanghai Co ltd
Current assignee: Miaohui Energy Technology Shanghai Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2021-01-29
Anticipated expiration: 2030-04-21

Abstract

The utility model discloses a high-lift pump, its characterized in that: the mixing device comprises a water inlet pipe arranged on the upper stream, and a first tubular pump chamber and a second tubular pump chamber arranged on the lower stream, wherein one end of the water outlet pipe is connected with a mixing mechanism through a flange, the mixing mechanism is connected with an amplifying pipe, one end of the amplifying pipe, which is far away from the mixing mechanism, is connected with a drainage pipe, one end of the drainage pipe, which is far away from the amplifying pipe, is connected with the first tubular pump chamber, the right sides of the first tubular pump chamber and the second tubular pump chamber are respectively connected with a first drain valve and a second drain valve, and a primary buffer tank is arranged on the upper.

Description

High-lift pump

Technical Field

The utility model relates to a hydraulic ram technical field, concretely relates to high-lift pump.

Background

The water hammer pump is a water lifting device which takes running water as power and generates a water hammer effect through mechanical action so as to convert low water head energy into high water head energy. At present, the hydraulic ram pump is mainly used for lifting water and irrigating in remote areas, extra energy sources such as electric energy do not need to be consumed, a special person does not need to take care of the hydraulic ram pump during operation, maintenance cost is saved at ordinary times, and therefore more and more areas begin to popularize and use the hydraulic ram pump. The water hammer pump with the traditional structure is still limited in high-pressure water generating capacity, so that the lift is limited, and the water requirements of mountainous areas and other places cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of prior art, provide a high-lift pump.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a high-lift pump which characterized in that: the mixing device comprises a water inlet pipe arranged at the upper part, a first tubular pump chamber and a second tubular pump chamber arranged at the lower part, wherein one end of the water outlet pipe of the water inlet pipe is connected with a mixing mechanism through a flange, an amplifying pipe is connected on the mixing mechanism, one end of the amplifying pipe, which is far away from the mixing mechanism, is connected with a drainage pipe, one end of the drainage pipe, which is far away from the amplifying pipe, is connected with the first tubular pump chamber, the right side of the first tubular pump chamber and the right side of the second tubular pump chamber are respectively connected with a first drain valve and a second drain valve, the upper part of the first tubular pump chamber is provided with a primary buffer tank, the first tubular pump chamber is connected with a high-pressure water input pipe, the water outlet end of the high-pressure water input pipe extends into the primary buffer tank, the high-pressure water input pipe is provided with a first, the gas conveying mechanism is connected with a gas inlet pipe, the other end of the gas inlet pipe extends into the secondary buffer tank, the sectional area of the gas inlet pipe is smaller than that of the gas collecting pipe, and a water feeding pipe is arranged in the secondary buffer tank; the mixing mechanism comprises a mixer body, the left end of the mixer body is provided with a water inlet pipe mounting port connected with a water inlet pipe, and a nozzle is arranged in the water inlet pipe mounting port; the mixer body is provided with an air inlet at the upper part, the opening of the air inlet is positioned on the water surface, the right side of the mixer body is provided with an amplifying pipe mounting hole for inserting and fixing an amplifying pipe, the inner diameter of the amplifying pipe is that the two ends are large, the middle is small, and the inner diameter of the leftmost end is smaller than that of the rightmost end; the second one-way valve comprises a one-way valve body, a one-way valve cavity is arranged in the one-way valve body, the one-way valve cavity penetrates through the upper end and the lower end of the one-way valve body, a fixed block is mounted on the inner side wall of the one-way valve body, a fixed rod is connected to the inner side of the fixed block, a spring block is connected to the inner side of the fixed rod, a one-way valve shaft is connected in the spring block in a penetrating manner, a one-way valve plate is connected to the lower end of the one-way valve shaft, and a regulating rod is connected to the; the secondary buffer tank comprises a buffer tank body, a support rod is arranged at the bottom of the buffer tank body, an air inlet valve is connected to the upper portion of the support rod, an air inlet hole is formed in the middle of the air inlet valve, the air inlet pipe is communicated with the air inlet hole of the air inlet valve, a guide hole perpendicular to the air inlet hole is formed in the air inlet valve, an air inlet sealing rod is inserted into the guide hole and can move in the guide hole to seal or open the air inlet hole, a support arm is mounted on the side wall of the buffer tank body, a rotating plate is hinged to the support arm, a connecting rod is hinged to the left side of the lower portion of the rotating plate, the lower end of the connecting rod is hinged to the upper end of the air inlet sealing rod, a pull ring is connected to; the buffer tank body upper portion is equipped with the exhaust valve seat of L shape, and the horizontal segment and the upper hose intercommunication of exhaust valve seat, the vertical section upper portion of exhaust valve seat are provided with the exhaust needle, and exhaust needle side is connected with the gangbar, and the gangbar sub-unit connection has the trigger block, and buffer tank body top is equipped with the needle guide tube, exhaust needle and needle guide tube sliding fit.

Preferably, the first and second water drain valves have the same structure, and include a water drain valve body, a valve cover is mounted on the top of the water drain valve body, a water permeable plate is disposed on the upper portion of the water drain valve body, a plurality of water permeable holes are formed in the water permeable plate, a plurality of water drain holes are formed in the side wall of the water drain valve body at positions higher than the water permeable plate, an installation rod is connected to the inner side wall of the water drain valve body, a shaft sleeve is connected to the inner side of the installation rod, a water drain valve shaft penetrates through the shaft sleeve, a fixing plate is connected to the top end of the water drain valve shaft, an adjusting screw is rotatably disposed in the fixing plate, a piston is sleeved on the water drain valve shaft, the lower section of the adjusting screw is in threaded connection with the piston, a water drain valve plate is connected to the bottom end of the water drain valve shaft, a spring is sleeved on the water drain valve, the shape and the outlet valve plate phase-match of seal receptacle, be equipped with the hydraulic pressure chamber in the axle sleeve, outlet valve body side is equipped with the UNICOM container, UNICOM container sub-unit connection has the fuel feeding pipe way, the fuel feeding pipe way other end and hydraulic pressure chamber intercommunication, UNICOM container right side is connected with return oil pipe way, the return oil pipe way other end and fuel feeding pipe way intercommunication all are equipped with the check valve on fuel feeding pipe way and the return oil pipe way, the check valve of direction valve for having the throttling function on the return oil pipe way, the interior slot has been seted up to the contact department of axle sleeve and piston, the outlet valve shaft.

Preferably, a support pad is mounted at a position where the valve body of the check valve contacts the valve plate of the check valve. The supporting pad can play a role in strengthening sealing, can also reduce the collision between the valve plate of the one-way valve and the valve body of the one-way valve, and plays a role in protection.

Preferably, an inner groove is formed in the contact position of the valve shaft of the water escape valve and the piston, and a sealing ring is embedded in the inner groove.

Preferably, the gas conveying mechanism comprises a machine shell and a water wheel, a piston cavity and a crank cavity are arranged inside the machine shell, the piston cavity is communicated with the crank cavity, an air inlet and an air outlet are respectively formed in the upper portion of the piston cavity, the air inlet is connected with a gas collecting pipe, the air outlet is connected with an air inlet pipe, a driving shaft is arranged in the crank cavity in a rotating mode, a crank is installed on the driving shaft, a driving piston is hinged to the upper portion of the crank, the driving piston can move up and down in the piston cavity, air valves are arranged in the air inlet and the air outlet, a rocker arm is arranged on the upper portion of each air valve and is connected with the machine shell in a rotating mode, a spring is sleeved on each air valve, a cam shaft is.

Compared with the prior art, the beneficial effects of the utility model are that: the mixing mechanism is additionally arranged at the upstream water inlet pipe, air is introduced into the water pump system to generate pressure gas, and the water hammer effect, the pressure gas and the secondary pressurization act together, so that the lift of water can be effectively improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a mixing mechanism of the present invention;

FIG. 3 is a schematic structural view of a secondary buffer tank of the present invention;

FIG. 4 is an enlarged schematic view at A in FIG. 3;

FIG. 5 is an enlarged schematic view at A in FIG. 4;

fig. 6 is a schematic structural view of a second check valve of the present invention;

FIG. 7 is a schematic structural view of a first and a second water release valve of the present invention;

FIG. 8 is an enlarged schematic view at A of FIG. 7;

fig. 9 is a schematic structural view of the gas conveying mechanism of the present invention.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

A high-lift pump comprises a water inlet pipe 1 arranged at the upper part, a first tubular pump chamber 5 and a second tubular pump chamber 11 arranged at the lower part, wherein one end of the water outlet of the water inlet pipe 1 is connected with a mixing mechanism 2 through a flange, an amplifying pipe 3 is connected on the mixing mechanism 2, one end of the amplifying pipe 3, which is far away from the mixing mechanism 2, is connected with a drainage pipe 4, one end of the drainage pipe 4, which is far away from the amplifying pipe 3, is connected with the first tubular pump chamber 5, the right sides of the first tubular pump chamber 5 and the second tubular pump chamber 11 are respectively connected with a first water outlet valve 6 and a second water outlet valve 12, a primary buffer tank 9 is arranged at the upper part of the first tubular pump chamber 5, a high-pressure water input pipe 7 is connected with the first tubular pump chamber 5, the water outlet end of the high-pressure water input pipe 7 extends into the primary buffer tank 9, a first one-way valve 8 is arranged on the high-pressure water input pipe 7, the left end of, a gas collecting pipe 10 is arranged on the drainage pipe 4, the other end of the gas collecting pipe 10 is connected with a gas conveying mechanism 16, the gas conveying mechanism 16 is connected with a gas inlet pipe 15, the other end of the gas inlet pipe 15 extends into the secondary buffer tank 13, the sectional area of the gas inlet pipe 15 is smaller than that of the gas collecting pipe 10, and a water feeding pipe 132 is arranged in the secondary buffer tank 13; the mixing mechanism 2 comprises a mixer body 201, the left end of the mixer body 201 is provided with a water inlet pipe mounting port 202 connected with the water inlet pipe 1, and a nozzle 204 is arranged in the water inlet pipe mounting port 202; an air inlet 203 is formed in the upper portion of the mixer body 201, the opening of the air inlet 203 is located on the water surface, an amplifying tube mounting hole 205 for inserting and fixing the amplifying tube 3 is formed in the right side of the mixer body 201, the inner diameter of the amplifying tube 3 is the inner diameter of which the two ends are large and the middle is small, and the inner diameter of the leftmost end is smaller than that of the rightmost end; the second check valve 14 comprises a check valve body 141, a check valve cavity 142 is arranged in the check valve body 141, the check valve cavity 142 penetrates through the upper end and the lower end of the check valve body 141, a fixing block 143 is mounted on the inner side wall of the check valve body 141, a fixing rod 144 is connected to the inner side of the fixing block 143, a spring block 145 is connected to the inner side of the fixing rod 144, a check valve shaft 146 penetrates through the spring block 145, a check valve plate 147 is connected to the lower end of the check valve shaft 146, and a regulating rod 1311 is connected to the upper end of the check valve shaft 146; the secondary buffer tank 13 comprises a buffer tank body 131, a support rod 137 is arranged at the bottom of the buffer tank body 131, an air inlet valve 138 is connected to the upper portion of the support rod 137, an air inlet hole 139 is arranged at the middle position of the air inlet valve 138, an air inlet pipe 15 is communicated with the air inlet hole 139 of the air inlet valve 138, a guide hole 1310 perpendicular to the air inlet hole 139 is arranged in the air inlet valve 138, an air inlet sealing rod 1316 is inserted into the guide hole 1310, the air inlet sealing rod 1316 can move in the guide hole 1310 to seal or open the air inlet hole 139, a support arm 1314 is arranged on the side wall of the buffer tank body 131, a rotating plate 1313 is hinged on the support arm 1314, a connecting rod 1315 is hinged on the left side of the lower portion of the rotating plate 1313, the lower end of the connecting rod 1315 is hinged with the upper end of the air inlet sealing rod 1316, a pull ring 1317 is connected, the rotation block 1319 can rotate on the rotation seat 1320; an L-shaped exhaust valve seat 133 is arranged at the upper part of the buffer tank body 131, the horizontal section of the exhaust valve seat 133 is communicated with the upper water pipe 132, an exhaust valve needle 135 is arranged at the upper part of the vertical section of the exhaust valve seat 133, a linkage rod 136 is connected to the side surface of the exhaust valve needle 135, a trigger block 1312 is connected to the lower part of the linkage rod 136, a valve needle guide pipe 134 is arranged at the top of the buffer tank body 131, and the exhaust valve needle 135 is in sliding fit with the valve needle guide pipe.

The first and second

water release valves

6 and 12 have the same structure, and include a water release valve body 61, a valve cover 62 is mounted on the top of the water release valve body 61, a water permeable plate 64 is disposed on the upper portion of the water release valve body 61, a plurality of water permeable holes 65 are disposed on the water permeable plate 64, a plurality of water release holes 63 are disposed on the side wall of the water release valve body 61 at positions higher than the water permeable plate 64, a mounting rod 66 is connected to the inner side wall of the water release valve body 61, a shaft sleeve 67 is connected to the inner side of the mounting rod 66, a water release valve shaft 69 is connected in the shaft sleeve 67 in a penetrating manner, a fixing plate 617 is connected to the top end of the water release valve shaft 69, an adjusting screw 618 is disposed on the fixing plate 617, a piston 616 is sleeved on the water release valve shaft 69, the lower section 618 of the adjusting screw is in threaded connection with the piston 616, a water release valve plate 611, a sealing plate 613 is arranged in the valve body 61 of the water drain valve, a hole is formed in the middle of the sealing plate 613, a sealing seat 612 is arranged on one side, close to the valve plate 611 of the water drain valve, of the sealing plate 613, the shape of the sealing seat 612 is matched with that of the valve plate 611 of the water drain valve, a hydraulic cavity 68 is arranged in the shaft sleeve 67, a communication container 622 is arranged on the side face of the valve body 61 of the water drain valve, an oil supply pipeline 623 is connected to the lower portion of the communication container 622, the other end of the oil supply pipeline 623 is communicated with the hydraulic cavity 68, an oil return pipeline 624 is connected to the right side of the communication container 622, the other end of the oil return pipeline 624 is communicated with the oil supply pipeline 623, one-way valves are arranged on the oil supply pipeline 623 and the oil return pipeline 624, a. An inner groove 615 is also formed at the contact position of the valve shaft 69 of the water escape valve and the piston 616, and a sealing ring is embedded in the inner groove 615.

A support pad 148 is installed at a position where the check valve body 141 contacts the check valve plate 147. The supporting pad 148 can enhance the sealing effect, reduce the collision between the valve plate of the check valve and the valve body of the check valve, and protect the valve.

The gas conveying mechanism 16 comprises a machine shell 161 and a water wheel 169, a piston cavity 163 and a crank cavity 162 are arranged in the machine shell 161, the piston cavity 163 is communicated with the crank cavity 162, an air inlet 164 and an air outlet 165 are respectively arranged at the upper part of the piston cavity 163, the air inlet 164 is connected with the gas collecting pipe 10, the air outlet 165 is connected with the air inlet pipe 15, a driving shaft 168 is arranged in the crank cavity 162 in a rotating manner, a crank 167 is arranged on the driving shaft 168, a driving piston 166 is hinged to the upper part of the crank 167, the driving piston 166 can move up and down in the piston cavity 163, a valve 1610 is arranged in the air inlet 164 and the air outlet 165, a rocker arm 1611 is arranged at the upper part of the valve 1610, the rocker arm 1611 is connected with the machine shell 161 in a rotating manner, a spring is sleeved on the valve 1610, a cam shaft 1612 is, the water wheel 169 can rotate the drive shaft 168 and the camshaft 1612.

The utility model discloses when concrete implementation, the rivers of upper reaches advance inlet tube 1, enter into the blender body 201 through nozzle 204 in, produce the low pressure, introduce the mouth 203 with the outside air through the air and inhale the blender body 201 in, rivers and air mix in blender body 201. The mixed water flow enters the amplifying pipe 3 to flow in an accelerating way and then flows into the first tubular pump chamber 5 through the drainage pipe 4.

When the first drain valve 6 is in the open state in the initial state, the water in the first tubular pump chamber 5 will be discharged through the water permeable hole 65 and the drain hole 63 of the first drain valve 6 in sequence, but the flow rate of the water will reach a high level in a short time, and at this time, under the action of the jet flow, the valve plate 611 of the drain valve moves up rapidly to block the central hole of the sealing plate 613, and the first drain valve 6 is switched to the closed state.

Due to the sudden closing of the first water escape valve 6, the fast flowing water instantaneously generates a very high pressure under the inertia effect, and the pressure acts towards the periphery, thereby generating a water hammer effect. Under the water hammer effect, water in the first tubular pump chamber 5 quickly passes through the high-pressure water input pipe 7 and jacks up the first one-way valve 8 to enter the primary buffer tank 9, meanwhile, pressure relief is also completed in the first tubular pump chamber 5, the first one-way valve 8 is also quickly closed, and the pressure is sealed in the primary buffer tank 9 to complete pressurization.

When the pressure in the first pipe pump chamber 5 is instantaneously lowered, the first drain valve 6 is returned by the spring 610 to the drain valve plate 611, and the draining is restarted without preparing for the next pressurization.

When the water hammer effect occurs in the pipeline, the water pressure firstly impacts the valve plate 611 of the drain valve and jacks up, so that the piston 616 is driven to rise, and the hydraulic cavity 68 is enabled to be in a negative pressure state and is rapidly sucked into the damping medium in the communicating container 622; when the water hammer effect is over, the valve plate 611 of the water escape valve is reset, the piston 616 presses the medium in the hydraulic cavity 68 to return to the communicating container 622, and the one-way valve on the return pipe 624 has a throttling function, so that the medium can only slowly pass through, and the damping slow-closing effect is realized. The valve is quickly opened and responded when receiving the water hammer effect, and is slowly closed when being closed, thereby avoiding the generation of the water hammer effect of the closed valve, and the valve has long service life and convenient maintenance.

The position of the piston 616 on the drain valve shaft 69 is adjustable by the adjustment screw 618 to vary the volume of the hydraulic chamber 68. The change in the volume of the hydraulic chamber 68 affects the amount of the medium introduced into the hydraulic chamber 68, and the resistance generated to the piston 616 in the return differs, so that the return time of the drain valve plate 611 changes. And adjusting and adapting according to the conditions of different water areas.

In order to prevent the influence of water flow, a shaft sleeve cover 614 is additionally arranged on the shaft sleeve 67 to achieve a sealing effect.

For the high-pressure water in the primary buffer tank 9, the high-pressure water enters the second tubular pump chamber 11 at a high speed, the second water release valve 12 is closed quickly under the impact of the high-speed and high-pressure water flow, so that the water hammer effect is generated again, under the second water hammer effect, the water in the second tubular pump chamber 11 pushes the second one-way valve 14 open to enter the secondary buffer tank 13, meanwhile, the pressure relief is completed in the second tubular pump chamber 11, the second one-way valve 12 is also closed, and the pressure is stored in the secondary buffer tank 13, so that the secondary pressurization is completed.

The high pressure water in the second pressure-collecting buffer air tank 14 has a high pressure after two-stage pressurization, and the high pressure water enters the water supply pipe 132 and is discharged.

When water flows in the drainage tube 4, bubbles in the water move upwards to float out of the water surface, and overflowed gas is collected at the position where the bubbles overflow the water surface so as to form pressurized gas and enter the gas collecting tube 10.

When the check valve plate 147 of the second check valve 14 is closed, the rotating plate 1313 is held horizontally by the tension of the adjusting rod 1311, and the intake sealing rod 1316 is positioned at a high position in the guide hole 1310, so that the intake hole 139 is opened. The pressurized gas enters the buffer tank body 131 through the air inlet pipe 15 and the air inlet hole 139 in the air inlet valve 138, so that the air pressure in the buffer tank body 131 is increased, and the water in the buffer tank body 131 is pressed into the buffer tank 132.

When the check valve plate 147 of the second check valve 14 is opened, the water in the second tube pump chamber 11 enters the buffer tank body 131, the amount of water in the buffer tank body 131 increases, and a part of the water directly enters the water supply pipe 132. The adjustment rod 1311 is raised to rotate the rotating plate 1313 counterclockwise, so that the intake sealing rod 1316 moves downward to seal the intake hole 139. Meanwhile, the rotating plate 1313 drives the linkage rod 136 to rise through the trigger block 1312, so that the exhaust valve needle 135 moves in the valve needle guide pipe 134 and is separated from the exhaust valve seat 133. The gas in the surge tank body 131 is pressed into the water supply pipe 132 from the gas discharge valve seat 133, and pushes the water in the water supply pipe 132 to rise. The water and gas in the buffer tank body 131 are alternately discharged to the water supply pipe 132, and the gas gradually expands in the ascending process, so that the water column in the water supply pipe 132 can be driven to ascend.

The water wheel 169 is driven by water flow to rotate, so that the crankshaft 168 and the camshaft 1612 are driven to rotate, when the crankshaft 167 drives the driving piston 166 to descend in the piston cavity 163, the camshaft 1612 drives the cam 1613 to rotate, so that the valve 1610 in the air inlet 164 is driven to open, and at the moment, the gas in the gas collecting pipe 10 is sucked into the piston cavity 163. The water wheel 169 drives the crankshaft 168 and the camshaft 1612 to rotate continuously, so that the driving piston 166 is driven to ascend in the piston cavity 163, the valve 1610 at the lower air inlet 164 is driven to close by the cam 1613, the valve 1610 at the air outlet 165 is opened, and air in the piston cavity 163 enters the air inlet pipe 15 from the air outlet 165.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a high-lift pump which characterized in that: the device comprises a water inlet pipe (1) arranged on the upper stream, and a first tubular pump chamber (5) and a second tubular pump chamber (11) arranged on the lower stream, wherein one end of the water outlet of the water inlet pipe (1) is connected with a mixing mechanism (2) through a flange, an amplifying pipe (3) is connected onto the mixing mechanism (2), one end of the amplifying pipe (3) far away from the mixing mechanism (2) is connected with a drainage pipe (4), one end of the drainage pipe (4) far away from the amplifying pipe (3) is connected with the first tubular pump chamber (5), the right sides of the first tubular pump chamber (5) and the second tubular pump chamber (11) are respectively connected with a first drain valve (6) and a second drain valve (12), a primary buffer tank (9) is arranged on the upper part of the first tubular pump chamber (5), a high-pressure water input pipe (7) is connected onto the first tubular pump chamber (5), and the water outlet end of the high-pressure water, a first check valve (8) is arranged on the high-pressure water input pipe (7), the left end of the second tubular pump chamber (11) is communicated with a first-stage buffer tank (9), the second tubular pump chamber (11) is connected with a second-stage buffer tank (13) through a second check valve (14), a gas collecting pipe (10) is arranged on the drainage pipe (4), the other end of the gas collecting pipe (10) is connected with a gas conveying mechanism (16), the gas conveying mechanism (16) is connected with a gas inlet pipe (15), the other end of the gas inlet pipe (15) extends into the second-stage buffer tank (13) for arrangement, the sectional area of the gas inlet pipe (15) is smaller than that of the gas collecting pipe (10), and a water feeding pipe (132) is arranged in the second-stage buffer tank (13); the mixing mechanism (2) comprises a mixer body (201), the left end of the mixer body (201) is provided with a water inlet pipe mounting opening (202) which is connected with the water inlet pipe (1), and a nozzle (204) is arranged in the water inlet pipe mounting opening (202); an air inlet (203) is formed in the upper portion of the mixer body (201), an opening of the air inlet (203) is located on the water surface, an amplifying pipe mounting hole (205) for inserting and fixing an amplifying pipe (3) is formed in the right side of the mixer body (201), the inner diameter of the amplifying pipe (3) is that the two ends are large, the middle is small, and the inner diameter of the leftmost end is smaller than that of the rightmost end; the second one-way valve (14) comprises a one-way valve body (141), a one-way valve cavity (142) is arranged in the one-way valve body (141), the one-way valve cavity (142) penetrates through the upper end and the lower end of the one-way valve body (141), a fixing block (143) is mounted on the inner side wall of the one-way valve body (141), a fixing rod (144) is connected to the inner side of the fixing block (143), a spring block (145) is connected to the inner side of the fixing rod (144), a one-way valve shaft (146) penetrates through the spring block (145), a one-way valve plate (147) is connected to the lower end of the one-way valve shaft (146), and an adjusting rod (1311) is connected to the upper end of the one-way valve shaft (146); the secondary buffer tank (13) comprises a buffer tank body (131), a support rod (137) is arranged at the bottom of the buffer tank body (131), an air inlet valve (138) is connected to the upper portion of the support rod (137), an air inlet hole (139) is formed in the middle of the air inlet valve (138), the air inlet pipe (15) is communicated with the air inlet hole (139) of the air inlet valve (138), a guide hole (1310) perpendicular to the air inlet hole (139) is formed in the air inlet valve (138), an air inlet sealing rod (1316) is inserted into the guide hole (1310), the air inlet sealing rod (1316) can move in the guide hole (1310) to close or open the air inlet hole (139), a support arm (1314) is installed on the side wall of the buffer tank body (131), a rotating plate (1313) is hinged to the support arm (1314), and a connecting rod (1315) is hinged to the left side of, the lower end of the connecting rod (1315) is hinged to the upper end of the air inlet sealing rod (1316), the right side of the lower portion of the rotating plate (1313) is connected with a pull ring (1317), a connecting ring (1318) is sleeved in the pull ring (1317), a rotating block (1319) is sleeved on the connecting ring (1318), a rotating seat (1320) is arranged on the upper portion of the adjusting rod (1311), and the rotating block (1319) can rotate on the rotating seat (1320); the buffer tank comprises a buffer tank body (131), and is characterized in that an L-shaped exhaust valve seat (133) is arranged on the upper portion of the buffer tank body (131), the horizontal section of the exhaust valve seat (133) is communicated with a water feeding pipe (132), an exhaust valve needle (135) is arranged on the upper portion of the vertical section of the exhaust valve seat (133), a linkage rod (136) is connected to the side face of the exhaust valve needle (135), a trigger block (1312) is connected to the lower portion of the linkage rod (136), a valve needle guide pipe (134) is arranged on the top of the buffer tank body (131), and the exhaust valve needle (135) is in sliding fit with.

2. A high lift pump as defined in claim 1, further comprising: the first drain valve (6) and the second drain valve (12) are identical in structure and comprise a drain valve body (61), a valve cover (62) is installed at the top of the drain valve body (61), a water permeable plate (64) is arranged at the upper portion of the drain valve body (61), a plurality of water permeable holes (65) are formed in the water permeable plate (64), a plurality of drain holes (63) are formed in the position, higher than the water permeable plate (64), on the side wall of the drain valve body (61), an installation rod (66) is connected to the inner side wall of the drain valve body (61), a shaft sleeve (67) is connected to the inner side of the installation rod (66), a drain valve shaft (69) is connected in the shaft sleeve (67) in a penetrating manner, the top end of the drain valve shaft (69) is connected with a fixing plate (617), an adjusting screw rod (618) is rotationally arranged in the fixing plate (617), and a piston (616) is sleeved on the drain, the lower section of the adjusting screw rod (618) is in threaded connection with a piston (616), the bottom end of a drain valve shaft (69) is connected with a drain valve plate (611), a spring (610) is sleeved on the drain valve shaft (69), the spring (610) is located between a shaft sleeve (67) and the drain valve plate (611), a sealing plate (613) is arranged inside a drain valve body (61), the middle of the sealing plate (613) is provided with a hole, one side, close to the drain valve plate (611), of the sealing plate (613) is provided with a sealing seat (612), the shape of the sealing seat (612) is matched with that of the drain valve plate (611), a hydraulic cavity (68) is arranged in the shaft sleeve (67), a communicating container (622) is arranged on the side surface of the drain valve body (61), the lower portion of the communicating container (622) is connected with an oil supply pipeline (623), and the other end of the oil supply pipeline (623), the right side of the communicating container (622) is connected with an oil return pipeline (624), the other end of the oil return pipeline (624) is communicated with an oil supply pipeline (623), the oil supply pipeline (623) and the oil return pipeline (624) are respectively provided with a one-way valve, a direction valve on the oil return pipeline (624) is a one-way valve with a throttling function, an inner groove (615) is formed in the contact position of the shaft sleeve (67) and the piston (616) and the valve shaft (69) of the water escape valve, and a sealing ring is embedded in the inner groove (615).

3. A high lift pump as defined in claim 2, further comprising: and a supporting pad (148) is arranged at the position where the valve body (141) of the one-way valve is contacted with the valve plate (147) of the one-way valve.

4. A high lift pump as defined in claim 1, further comprising: an inner groove (615) is formed in the contact position of the valve shaft (69) of the water release valve and the piston (616), and a sealing ring is embedded in the inner groove (615).

5. A high lift pump as defined in claim 1, further comprising: the gas conveying mechanism (16) comprises a machine shell (161) and a water wheel (169), a piston cavity (163) and a crank cavity (162) are arranged inside the machine shell (161), the piston cavity (163) is communicated with the crank cavity (162), a gas inlet (164) and a gas outlet (165) are respectively arranged on the upper portion of the piston cavity (163), the gas inlet (164) is connected with a gas collecting pipe (10), the gas outlet (165) is connected with a gas inlet pipe (15), a driving shaft (168) is rotationally arranged in the crank cavity (162), a crank (167) is installed on the driving shaft (168), a driving piston (166) is hinged to the upper portion of the crank (167), the driving piston (166) can move up and down in the piston cavity (163), a gas valve (1610) is arranged in the gas inlet (164) and the gas outlet (165), and a rocker arm (1611) is arranged on the upper portion of the gas valve (1610, rocking arm (1611) rotates with casing (161) and links to each other, the cover is equipped with the spring on valve (1610), casing (161) upper portion rotates and is provided with camshaft (1612), be equipped with a plurality of cams (1613) on camshaft (1612), be connected with drive mechanism between water wheel (169) and drive shaft (168), water wheel (169) and camshaft (1612), water wheel (169) can drive shaft (168) and camshaft (1612) and rotate.