CN109915079B

CN109915079B - Oil exploitation equipment

Info

Publication number: CN109915079B
Application number: CN201910214757.3A
Authority: CN
Inventors: 陈亮; 栾娟娟; 尹海峡
Original assignee: Shandong Saina Petroleum Technology Co Ltd
Current assignee: Shandong Saina Petroleum Technology Co., Ltd
Priority date: 2019-03-20
Filing date: 2019-03-20
Publication date: 2021-02-02
Anticipated expiration: 2039-03-20
Also published as: CN109915079A

Abstract

The invention discloses oil exploitation equipment, which comprises a device main body, wherein a through hole penetrates through the device main body from top to bottom, a one-way circulation device is arranged at the position, close to an opening at the lower end, of the through hole, the one-way circulation device can guarantee that oil flows from bottom to top during operation, an oil pumping device is arranged on the upper side of the one-way circulation device and in the through hole, the oil pumping device can pump the oil out, the oil pumping device has a water pressing function, a water inlet device is arranged on the right side of the device main body, and a switching device is arranged on the left side of the device main body; the invention aims to design a small oil exploitation device which is suitable for exploitation of small oil fields.

Description

Oil exploitation equipment

Technical Field

The invention relates to the technical field of oil exploitation, in particular to oil exploitation equipment.

Background

Nowadays, although new energy is actively developed in all countries, oil still occupies a large proportion of energy utilization, and with the development of large oil fields, all countries are gradually looking to small oil fields, but the cost of constructing large-scale exploitation equipment in small oil fields is too high, and the relative profit ratio is too low.

Disclosure of Invention

The object of the present invention is to provide an oil extraction installation which overcomes the above-mentioned drawbacks of the prior art.

The oil exploitation equipment comprises a device main body, wherein a through hole is formed in the device main body in a vertically penetrating mode, a one-way circulation device is arranged in the through hole and close to an opening at the lower end of the through hole, the one-way circulation device can guarantee that oil flows from bottom to top during operation, an oil pumping device is arranged on the upper side of the one-way circulation device and in the through hole and can pump the oil out, the oil pumping device has a water pumping function, a water inlet device is arranged on the right side of the device main body, and a switching device is arranged on the left side of the device main body, wherein the switching device can switch the oil pumping device into an oil pumping function or a water pumping function, the one-way circulation device is in an open state when the oil pumping device is switched into the water pumping function, liquid in the through hole can flow downwards at the moment, an oil outlet pipe is connected to, the oil outlet pipe can lead out oil pumped by the oil pumping device, a check valve assembly is arranged in the oil outlet pipe, a fixing device is fixedly arranged at the lower end of the device main body, and the fixing device can fix the device on the ground.

The oil pumping device is characterized by comprising sliding grooves which are communicated and arranged in the arc-shaped inner walls of the peripheral sides of the through holes and have upward openings, sliding blocks are arranged in the sliding grooves in a sliding mode, through holes are formed in the sliding blocks in a vertically penetrating mode, the left end of the oil outlet pipe is communicated with the through holes, oil pumping pistons are arranged in the through holes in a sliding mode, the upper ends of the sliding blocks extend out of the openings of the upper ends of the through holes and are fixedly connected with lifting blocks arranged on the upper side of the device body, connecting holes which are communicated with the through holes and have upward openings are formed in the lifting blocks in a vertically penetrating mode, oil pumping motors are fixedly arranged in the inner walls of the left sides of the connecting holes, the right sides of the oil pumping motors are located in the connecting holes and are connected with first rotating plates through rotating shafts, second rotating plates which are identical to the first rotating plates in structure are arranged on, the lower end of the end face of one side, opposite to the first rotating plate and the second rotating plate, of the first rotating plate is fixedly connected with a rotating shaft, a rotatable rotating sleeve is sleeved on the rotating shaft, a push-pull rod is connected between the rotating sleeve and the end face of the upper side of the oil pumping piston, and the push-pull rod is connected with the rotating sleeve and the upper end of the oil pumping piston in a rotating matching mode.

The water inlet device is characterized by comprising a fixed block fixedly connected to the right end face of the device body, a lifting cavity matched with the fixed block is arranged in the lifting block in a vertically penetrating manner, the upper end of the fixed block extends into the lifting cavity, a piston cavity with an upward opening is arranged in the fixed block, a water inlet hole is communicated between the lower inner wall of the piston cavity and the right inner wall of the through hole, a water pressing piston is slidably arranged in the piston cavity, a third rotating plate and a fourth rotating plate are symmetrically arranged on the upper side of the fixed block and positioned in the lifting cavity in a bilateral mode, the second rotating plate and the third rotating plate are connected through a linkage shaft, the right end of the fourth rotating plate is rotatably connected to the right inner wall of the lifting cavity through a rotating shaft, and a sleeve column is fixedly connected to the upper end face of one side of the third rotating plate and the fourth rotating plate opposite to each other, the jacket post is sleeved with a water pressing sleeve, a water pressing push rod is connected and arranged between the water pressing sleeve and the upper side end face of the water pressing piston, the water pressing push rod is connected with the water pressing sleeve and the water pressing piston in a rotating fit mode, a notch with an upward opening is formed in the left end and the right end of the fixing block in a penetrating mode, the notch can enable the lifting block to pass through the linkage shaft when the lifting block descends, water inlet pipes are arranged in the right side inner wall of the piston cavity in a communicated mode, and the water in the piston cavity can be supplemented through the water inlet pipes.

The water inlet pipe is characterized in that a through hole penetrates through the inner wall of the right side of the through hole from left to right, wherein the through hole can be communicated with the lower end of the water inlet hole or the upper end of the oil outlet pipe.

It is characterized in that the one-way circulation device comprises a fixed connecting block fixedly arranged on the inner wall of the through hole, a flow hole with a downward opening is arranged in the fixed connecting block, a baffle groove with an upward opening is arranged in the inner wall of the upper side of the flow hole in a communicated manner, a baffle plate is arranged in the baffle groove in a slidable manner, one-way sliding grooves communicated with the baffle groove are arranged in the inner walls of the left side and the right side of the flow hole, one-way sliding rods with upper ends fixedly connected on the lower side end surface of the baffle plate are arranged in the one-way sliding grooves in a slidable manner, guide sliding grooves communicated with the guide sliding grooves are arranged in the inner wall of one side of the one-way sliding rods far away from the flow hole, guide sliding blocks extending into the guide sliding grooves are fixedly connected on the end surface of one side of the one-, the lower side terminal surface of sliding block with it is provided with first spring to lead to connect between the upside terminal surface of slider, fixedly connected with upwards extends and extends to let in on the upside terminal surface of sliding block the ejector pad in the sliding tray, it keeps away from to lead the sliding tray be provided with in the inner wall of discharge orifice one side with the spring groove that the sliding tray communicates mutually, the lower side terminal surface of spring groove with it is provided with the second spring to connect between the downside terminal surface of sliding block.

Its characterized in that, auto-change over device include opening left set up in switching spout in the device main part, the upside inner wall internal fixation that switches the spout is provided with the switching motor, the lower extreme power fit of switching motor is connected with the switching lead screw, slidable be provided with in the switching spout with the switching slider that switches lead screw thread fit and connect, fixedly connected with downwardly extending on the left side terminal surface of elevator and with the lift connecting block that the left side terminal surface sliding fit of device main part is connected, wherein, the left end of switching the slider with the lower extreme fixed fit of lift connecting block right side terminal surface is connected.

The one-way valve assembly is characterized by comprising a one-way sliding cavity communicated with the water inlet hole, a one-way valve core is arranged in the one-way sliding cavity in a sliding mode, a third spring is connected between the right end face of the one-way valve core and the inner wall of the right side of the one-way sliding cavity, water through holes are formed in the one-way valve core in an annular array mode, and the positions of the water through holes and the positions of the water inlet holes are staggered.

The device is characterized in that the fixing device comprises fixing plates which are bilaterally symmetrical and fixedly connected to the lower ends of the end faces of the left side and the right side of the device body, fixing holes penetrate through the fixing plates from top to bottom, and the device body can be fixed through the fixing holes.

The invention has the beneficial effects that: the device has the advantages of simple structure and convenient operation, underground oil can be pumped out by the device through the oil pipe stretching into the ground, when the liquid level of the underground oil is lowered, the device can enable the liquid level of the underground oil to be raised in a water injection mode, and further continue to mine the oil, and the phenomenon of ground subsidence caused by the transition mining of the oil can be prevented by the mode.

Drawings

FIG. 1 is a schematic view of the internal overall structure of an oil producing apparatus of the present invention;

FIG. 2 is an enlarged schematic view of "A" in FIG. 1;

FIG. 3 is an enlarged schematic view of "B" in FIG. 1;

FIG. 4 is an enlarged schematic view of "C" in FIG. 1;

fig. 5 is a schematic view of the one-way valve cartridge of fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1-5, an oil extraction apparatus according to an embodiment of the present invention includes an apparatus main body 11, a through hole 21 is vertically disposed in the apparatus main body 11, a one-way circulation device is disposed near a lower opening of the through hole 21, the one-way circulation device can ensure that oil flows from bottom to top when operating, an oil pumping device is disposed above the one-way circulation device and in the through hole 21, the oil pumping device can pump oil out, the oil pumping device has a water pumping function, a water inlet device is disposed on a right side of the apparatus main body 11, and a switching device is disposed on a left side of the apparatus main body 11, wherein the switching device can switch the oil pumping device to an oil pumping function or a water pumping function, and when the oil pumping device is switched to a water pumping function, the one-way circulation device is in an open state, and at this time, liquid in the through hole 21, the oil pumping device is characterized in that an oil outlet pipe 46 is connected to the right end face of the device main body 11, the oil outlet pipe 46 can lead out oil pumped by the oil pumping device, a check valve assembly is arranged in the oil outlet pipe 46, a fixing device is fixedly arranged at the lower end of the device main body 11, and the fixing device can fix the device on the ground.

Beneficially, the oil pumping device comprises a sliding groove 23 which is communicated with and arranged in the arc-shaped inner wall of the peripheral side of the through hole 21 and has an upward opening, a sliding block 22 is slidably arranged in the sliding groove 23, a through hole 98 is vertically penetrated in the sliding block 22, wherein the left end of the oil outlet pipe 46 is communicated with the through hole 98, an oil pumping piston 39 is slidably arranged in the through hole 98, the upper end of the sliding block 22 extends out of the opening of the upper end of the through hole 21 and is fixedly connected with a lifting block 29 which is arranged on the upper side of the device main body 11, a connecting hole 99 which is communicated with the through hole 98 and has an upward opening is vertically penetrated in the lifting block 29, an oil pumping motor 31 is fixedly arranged in the inner wall of the left side of the connecting hole 99, a first rotating plate 32 is connected and arranged on the right side of the oil pumping motor 31 and, a second rotating plate 34 having the same structure as the first rotating plate 32 is arranged on the right side of the first rotating plate 32 and in the connecting hole 99, a rotating shaft 36 is fixedly connected to the lower end of the end face of one side of the first rotating plate 32 opposite to the second rotating plate 34, a rotatable rotating sleeve 35 is sleeved on the rotating shaft 36, a push-pull rod 38 is connected between the rotating sleeve 35 and the end face of the upper side of the oil pumping piston 39, and the push-pull rod 38 is connected with the rotating sleeve 35 and the upper end of the oil pumping piston 39 in a rotating and matching manner.

Beneficially, the water inlet device includes a fixed block 43 fixedly connected to the right end face of the device main body 11, a lifting cavity 97 capable of being matched with the fixed block 43 is arranged in the lifting block 29 in a vertically penetrating manner, the upper end of the fixed block 43 extends into the lifting cavity 97, a piston cavity 44 with an upward opening is arranged in the fixed block 43, a water inlet hole 45 is communicated between the lower inner wall of the piston cavity 44 and the right inner wall of the through hole 98, a water pressing piston 64 is slidably arranged in the piston cavity 44, a third rotating plate 67 and a fourth rotating plate 68 are symmetrically arranged on the upper side of the fixed block 43 and in the lifting cavity 97, wherein the second rotating plate 34 and the third rotating plate 67 are connected through a linkage shaft 37, and the right end of the fourth rotating plate 68 is rotatably connected to the right inner wall of the lifting cavity 97 through a rotating shaft, the third rotating plate 67 with the upper end fixedly connected with cover post 71 of the relative side end face of fourth rotating plate 68, the cover is equipped with pressurized-water sleeve 69 on the cover post 71, pressurized-water sleeve 69 with it is provided with pressurized-water push rod 66 to connect between the upside terminal surface of pressurized-water piston 64, pressurized-water push rod 66 with pressurized-water sleeve 69 and pressurized-water piston 64 normal running fit connects, wherein, what run through about the upper end of fixed block 43 is provided with the ascending breach 65 of opening, breach 65 can supply when elevator 29 descends universal driving shaft 37 passes through, the intercommunication is provided with inlet tube 63 in the right side inner wall of piston chamber 44, inlet tube 63 can be right the moisture in the piston chamber 44 supplements.

Advantageously, a through hole 33 is formed in the right inner wall of the through hole 98 to penetrate left and right, wherein the through hole 33 may communicate with the lower end of the water inlet hole 45 or the upper end of the oil outlet pipe 46.

Advantageously, the one-way circulating device comprises a fixed connecting block 49 fixedly arranged on the inner wall of the through hole 21, a flow hole 51 with a downward opening is arranged in the fixed connecting block 49, a baffle groove 48 with an upward opening is arranged in the inner wall of the upper side of the flow hole 51 in a communicating manner, a baffle 47 is arranged in the baffle groove 48 in a sliding manner, a one-way sliding groove 53 communicated with the baffle groove 48 is arranged in the inner wall of the left side and the right side of the flow hole 51, a one-way sliding rod 52 with an upper end fixedly connected to the lower side end surface of the baffle plate 47 is arranged in the one-way sliding groove 53, a guide sliding groove 56 is arranged in the inner wall of the side of the one-way sliding rod 53 far away from the flow hole 51 in a communicating manner, a guide sliding block 55 extending into the guide sliding groove 56 is fixedly connected to the end surface of the side of, slidable is provided with sliding block 61 in the sliding groove 59, sliding block 61's downside terminal surface with it is provided with first spring 54 to connect between the upside terminal surface of guide slide 55, fixedly connected with upwards extends and lets in on sliding block 61's the upside terminal surface ejector pad 62 in the sliding groove 23, it keeps away from to lead spout 56 be provided with in the inner wall of discharge orifice 51 one side with the spring groove 57 that sliding groove 59 is linked together, the downside terminal surface of spring groove 57 with it is provided with second spring 58 to connect between sliding block 61's the downside terminal surface.

Advantageously, the switching device includes a switching chute 24 arranged in the device body 11 and having a leftward opening, a switching motor 28 is fixedly arranged in an upper inner wall of the switching chute 24, a switching lead screw 26 is connected to a lower end of the switching motor 28 in a power-fit manner, a switching slider 25 connected to the switching lead screw 26 in a screw-fit manner is slidably arranged in the switching chute 24, a lifting connection block 27 extending downward and connected to a left end face of the device body 11 in a sliding-fit manner is fixedly connected to a left end face of the lifting block 29, and a left end of the switching slider 25 is connected to a lower end of a right end face of the lifting connection block 27 in a fixed-fit manner.

Advantageously, the check valve assembly comprises a one-way sliding cavity 75 communicated with and arranged in the water inlet 45, a check valve core 73 is slidably arranged in the one-way sliding cavity 75, a third spring 76 is connected between the right end face of the check valve core 73 and the right inner wall of the one-way sliding cavity 75, a water through hole 74 is arranged in the check valve core 73 in an annular array, and the position of the water through hole 74 is staggered with the position of the water inlet 45.

Advantageously, the fixing device comprises fixing plates 41 which are bilaterally symmetrical and fixedly connected to the lower ends of the left and right side end surfaces of the device body 11, fixing holes 42 are vertically penetratingly formed in the fixing plates 41, and the device body 11 can be fixed through the fixing holes 42.

In the initial state: the lower end face of the switching slider 25 abuts against the lower inner wall of the switching chute 24, at this time, the lower end face of the lifting block 29 abuts against the upper end face of the device main body 11, the sliding block 22 descends in the sliding groove 23 to the maximum extent, and further the sliding block 61 is pushed to descend to the maximum extent, at this time, the lower end face of the guide slider 55 abuts against the lower inner wall of the guide chute 56, the baffle plate 47 slides into the blocking groove 48, the left end face of the one-way valve spool 73 abuts against the left inner wall of the one-way sliding cavity 75, the left end opening of the water through hole 74 is blocked by the left inner wall of the one-way sliding cavity 75, and the upper end of the fixed block 43 extends into the.

The working steps of the device are as follows: when underground oil needs to be pumped, the oil pumping motor 31 is started, the first rotating plate 32 and the third rotating plate 34 are driven to rotate through the rotating shaft, the rotating shaft 36 is driven to swing up and down, the upper end of the rotating sleeve 35 is driven to swing up and down, the oil pumping piston 39 is driven to move up and down through the push-pull rod 38, when the oil pumping piston 39 ascends, negative pressure is generated in the through hole 98 at the lower side of the oil pumping piston 39 and the upper side of the baffle plate 47, the oil at the lower side of the baffle plate 47 can be pumped up, the baffle plate 47 ascends, the oil enters the space at the lower side of the oil pumping piston 39 and the upper side of the baffle plate 47, when the oil pumping piston 39 descends, the baffle plate 47 moves downwards under the action of the elastic force of the first spring 54, the baffle groove 48 is blocked, the descending oil pumping piston 39 extrudes the oil through the through, when the liquid level of underground petroleum is low, the pipeline extending into the underground is lower than the liquid level of the petroleum, so that when the petroleum cannot be continuously extracted, water needs to be injected into the underground, the liquid level of the underground petroleum is increased, at the moment, the switching motor 28 is started, the switching slide block 25 is driven to ascend through the switching lead screw 26, the lifting block 29 is driven to ascend through the lifting connecting block 27, at the moment, the ascending lifting block 29 drives the slide block 22 to ascend, so that the conducting hole 33 is communicated with the lower end of the water inlet 45, the upper end opening of the oil outlet pipe 46 is separated through the slide block 22, at the moment, the slide block 61 moves upwards under the elastic force of the second spring 58, at the moment, the slide block 61 pulls the guide slide block 55 to move upwards through the first spring 54, further drives the baffle plate 47 to ascend through the one-way slide rod 52 and ascend out of the upper end opening of the baffle groove 48, at the moment, the, and then the linkage shaft 37 drives the third rotating plate 67 and the fourth rotating plate 68 to move up and down, and further drives the water pressing piston 64 to move up and down, when the water pressing piston 64 ascends to the maximum, the water in the water inlet pipe 63 fills the piston cavity 44, at the moment, the oil pumping piston 39 is in the maximum descending state, the oil pumping piston 39 gradually ascends in the descending process of the water pressing piston 64, and the water in the piston cavity 44 is injected into the through hole 98, and the water in the through hole 98 can be squeezed into the ground when the oil pumping piston 39 descends again, and when the lifting block 29 is in the initial state, the water pressing piston 64 is always positioned below the lower inner wall of the water inlet pipe 63, so the water in the water inlet pipe 63 cannot enter the piston cavity 44, and only oil pumping can be carried out at the moment.

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.

Claims

1. An oil exploitation equipment, includes the device main part, its characterized in that: the device is characterized in that a through hole is arranged in the device body in a vertically penetrating manner, a one-way circulation device is arranged at the position, close to the opening at the lower end, of the through hole, the one-way circulation device can ensure that oil can circulate from bottom to top when working, an oil pumping device is arranged above the one-way circulation device and in the through hole, the oil pumping device can pump the oil out, the oil pumping device has a water pumping function, a water inlet device is arranged at the right side of the device body, a switching device is arranged at the left side of the device body, the switching device can switch the oil pumping device into an oil pumping function or a water pumping function, the one-way circulation device is in an open state when the oil pumping device is switched into the water pumping function, at the moment, the liquid in the through hole can circulate downwards, an oil outlet pipe is connected to the end face at the right, a check valve assembly is arranged in the oil outlet pipe, a fixing device is fixedly arranged at the lower end of the device main body, and the fixing device can fix the device on the ground; the oil pumping device comprises sliding grooves which are communicated and arranged in arc-shaped inner walls of the peripheral sides of the through holes and have upward openings, sliding blocks are slidably arranged in the sliding grooves, through holes are arranged in the sliding blocks in a vertically penetrating manner, the left end of the oil outlet pipe is communicated with the through holes, oil pumping pistons are slidably arranged in the through holes, the upper ends of the sliding blocks extend out of the openings of the upper ends of the through holes and are fixedly connected with lifting blocks arranged on the upper side of the device main body, connecting holes which are communicated with the through holes and have upward openings are arranged in the lifting blocks in a vertically penetrating manner, oil pumping motors are fixedly arranged in the inner walls of the left sides of the connecting holes, first rotating plates are connected and arranged in the connecting holes through rotating shafts on the right sides of the oil pumping motors, second rotating plates which have the same structure as the first rotating plates are arranged in the connecting holes on the right, the lower end of the end face of one side, opposite to the first rotating plate and the second rotating plate, of the first rotating plate is fixedly connected with a rotating shaft, a rotatable rotating sleeve is sleeved on the rotating shaft, a push-pull rod is connected between the rotating sleeve and the end face of the upper side of the oil pumping piston, and the push-pull rod is connected with the rotating sleeve and the upper end of the oil pumping piston in a rotating matching mode; the water inlet device comprises a fixed block fixedly connected to the right end face of the device main body, a lifting cavity which can be matched with the fixed block is arranged in the lifting block in a vertically penetrating mode, the upper end of the fixed block extends into the lifting cavity, a piston cavity with an upward opening is arranged in the fixed block, a water inlet hole is formed in the position, communicated with the right inner wall of the through hole, of the lower inner wall of the piston cavity, a water pressing piston is arranged in the piston cavity in a sliding mode, a third rotating plate and a fourth rotating plate are arranged on the upper side of the fixed block and positioned in the lifting cavity in a bilateral symmetry mode, the second rotating plate and the third rotating plate are connected through a linkage shaft, the right end of the fourth rotating plate is rotatably connected to the right inner wall of the lifting cavity through a rotating shaft, and a sleeve column is fixedly connected to the upper end face, opposite to the third rotating plate and the fourth rotating plate, of, a water pressing sleeve is sleeved on the sleeve column, a water pressing push rod is connected between the water pressing sleeve and the upper side end face of the water pressing piston, the water pressing push rod is connected with the water pressing sleeve and the water pressing piston in a rotating fit mode, a notch with an upward opening is formed in the left end and the right end of the fixed block in a penetrating mode, the notch can be used for allowing the linkage shaft to pass through when the lifting block descends, a water inlet pipe is arranged in the inner wall of the right side of the piston cavity in a communicated mode, and the water inlet pipe can supplement water in the piston cavity; a through hole penetrates through the inner wall of the right side of the through hole from left to right, wherein the through hole can be communicated with the lower end of the water inlet hole or the upper end of the oil outlet pipe; the one-way circulation device comprises a fixed connecting block fixedly arranged on the inner wall of the through hole, a flow hole with a downward opening is arranged in the fixed connecting block, a baffle groove with an upward opening is arranged in the inner wall of the upper side of the flow hole in a communicated manner, a baffle is arranged in the baffle groove in a slidable manner, one-way sliding grooves communicated with the baffle groove are arranged in the inner walls of the left side and the right side of the flow hole, one-way sliding rods with upper ends fixedly connected to the lower side end face of the baffle are arranged in the one-way sliding grooves in a slidable manner, guide sliding grooves are arranged in the inner wall of the one-way sliding grooves far away from the flow hole in a communicated manner, guide sliding blocks extending into the guide sliding grooves are fixedly connected to the end face of the one-way sliding rods far away from the flow hole in a, a first spring is connected between the lower side end face of the sliding block and the upper side end face of the guide sliding block, a push block which extends upwards and is introduced into the sliding groove is fixedly connected to the upper side end face of the sliding block, a spring groove communicated with the sliding groove is formed in the inner wall of the guide sliding groove, which is far away from the flow hole, and a second spring is connected between the lower side end face of the spring groove and the lower side end face of the sliding block; the switching device comprises a switching chute with a leftward opening, the switching chute is arranged in the device main body, a switching motor is fixedly arranged in the inner wall of the upper side of the switching chute, the lower end of the switching motor is in power fit connection with a switching lead screw, a switching slide block in threaded fit connection with the switching lead screw is slidably arranged in the switching chute, and a lifting connecting block which extends downwards and is in sliding fit connection with the left end face of the device main body is fixedly connected to the left end face of the lifting block, wherein the left end of the switching slide block is fixedly in fit connection with the lower end of the right end face of the lifting connecting block; the check valve assembly comprises a check slide cavity communicated with the water inlet hole, a check valve core is arranged in the check slide cavity in a sliding manner, a third spring is connected between the right end face of the check valve core and the right inner wall of the check slide cavity, and water through holes are arranged in the check valve core in an annular array manner, wherein the positions of the water through holes and the position of the water inlet hole are staggered; the fixing device comprises fixing plates which are bilaterally symmetrical and fixedly connected to the lower ends of the end faces of the left side and the right side of the device body, fixing holes penetrate through the fixing plates from top to bottom, and the device body can be fixed through the fixing holes.