CN114704473B

CN114704473B - Double-suction pump capable of preventing water from accumulating in groove

Info

Publication number: CN114704473B
Application number: CN202210149688.4A
Authority: CN
Inventors: 陈锬; 卢卫明
Original assignee: Jingjiang Yatai Pump Industry Co ltd
Current assignee: Jingjiang Yatai Pump Industry Co ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2023-04-07
Anticipated expiration: 2042-02-18
Also published as: CN114704473A

Abstract

The invention discloses a double-suction pump for preventing water accumulation in a groove, which relates to the technical field of double-suction pumps and comprises a bottom plate, wherein a first telescopic rod is fixedly connected to the outer wall of the top of the bottom plate, an installation plate is fixedly connected to the output end of the first telescopic rod, a damping assembly is fixedly connected to the outer wall of the top of the bottom plate, the damping assembly is fixedly connected with the installation plate, a supporting seat is fixedly connected to the outer wall of the top of the installation plate, and a motor is fixedly connected to the inner circumferential wall of the supporting seat. According to the invention, as the springs in the damping assembly can reset after the double-suction pump stops working, the ejection column can be subjected to upward ejection force of the springs when the damping assembly resets, and the ejection force applied to the ejection column acts on the block, so that the block can be quickly ejected, the drainage work of the second pump shell is realized, and the situation that parts such as helical blades are corroded and damaged after being soaked in accumulated water for a long time is avoided.

Description

Double-suction pump capable of preventing water from accumulating in groove

Technical Field

The invention relates to the technical field of double suction pumps, in particular to a double suction pump capable of preventing water from accumulating in a groove.

Background

The double suction pump is an important form of the centrifugal pump, and is widely applied to engineering because of the characteristics of high lift, large flow and the like, the impeller of the pump type is actually formed by combining two back-to-back impellers, water flow flowing out of the impellers is converged into a volute, and the double suction pump has the following characteristics: the double-suction pump is equivalent to two single-suction impellers with the same diameter working simultaneously, the flow can be doubled under the same impeller outer diameter, the pump shell is horizontally opened, the inspection and the maintenance are convenient, meanwhile, the inlet and the outlet of the double-suction pump are arranged in the same direction and are perpendicular to the pump shaft, the arrangement and the installation of the pump and the water inlet and outlet pipes are facilitated, the impeller structure of the double-suction pump is symmetrical, no axial force exists, and the operation is stable.

The Chinese utility model patent document with publication number CN213016826U discloses a double suction pump for preventing water accumulation in a groove, which comprises a mounting plate, wherein a motor is mounted on one side of the top of the mounting plate, two support frames are mounted on the other side of the top of the mounting plate, a double suction pump body is mounted at the top ends of the two support frames, a water outlet is formed in the front of the double suction pump body, a water seepage box is mounted at the bottom of the double suction pump body, and the motor is in transmission connection with the double suction pump body; a base is arranged below the mounting plate, sliding rods are fixedly connected to two sides of the top of the base, the top ends of the sliding rods extend through the mounting plate, a side plate is fixedly connected to one side of the sliding rods, and a convex block is fixedly connected to the bottom of the side plate; the top of the mounting plate is provided with a mounting block, the mounting block is provided with a connecting hole, the mounting plate is provided with a connecting groove, and the connecting hole is connected with the connecting groove through a fixing bolt; a damping spring is sleeved outside the sliding rod and is positioned between the mounting seat and the base; the utility model discloses a vibrations that can reduce the double entry pump operation and produce, the difficult ponding of the inside recess of double entry pump has prolonged the life of double entry pump.

However, the invention has the following disadvantages: though can reduce the inside ponding degree of double entry pump recess through setting up damper, nevertheless can not derive the inside ponding of pump case to make parts such as double entry pump at inoperative in-process helical blade still soak in aqueous, lead to the corrosion of parts such as helical blade, reduced the holistic life of double entry pump. Therefore, a double suction pump for preventing water accumulation in the groove is needed to solve the above problems.

Disclosure of Invention

The invention aims to provide a double suction pump for preventing water accumulation in a groove, which aims to solve the problems in the background technology.

The technical scheme of the invention is as follows: the utility model provides a prevent double entry pump of recess ponding, includes the bottom plate, the first telescopic link of top outer wall fixedly connected with of bottom plate, the output fixedly connected with mounting panel of first telescopic link, the top outer wall fixedly connected with damper of bottom plate, damper with mounting panel fixed connection, the top outer wall fixedly connected with supporting seat of mounting panel, the circumference inner wall fixedly connected with motor of supporting seat, the output of motor is provided with the shaft coupling, the first mount of top outer wall fixedly connected with of mounting panel, the shaft coupling is kept away from one side of motor output is provided with the rotation post, the top outer wall fixedly connected with second mount of mounting panel, the circumference inner wall fixedly connected with second pump case of second mount, the top of second pump case is provided with first pump case, the top outer wall of second pump case is seted up the screw hole that the equidistance distributes, the circumference inner wall threaded connection of screw hole has the clamping screw, first pump case passes through clamping screw with second fixed connection, the top outer wall fixedly connected with of mounting panel, the rotation post keep away from the one end of shaft coupling with the riser rotates the connection, the fixed slot has been seted up at the top of second pump case, the outer wall of second pump case is provided with the circumference of second pump case and the circumference outer wall is provided with the equal distribution of fixed liquid outlet pipe respectively the circumference of fixed disk, the equal distribution of the circumference of the fixed disk of the screw of the fixed disk, the circumference of liquid outlet pipe is connected with the equal distribution of the spiral discharge tube.

Preferably, damper includes that fixed connection is in the first spout of mounting panel bottom outer wall, the first slider of the equal fixedly connected with of both sides inner wall of first spout, there is the buffer beam one side outer wall of first slider through hinged joint, the buffer beam is kept away from there is the connection pad one end of first slider through hinged joint, the bottom outer wall fixedly connected with second telescopic link of mounting panel, the circumference outer wall of second telescopic link has cup jointed the second spring, connection pad fixed connection is in on the circumference outer wall of second telescopic link.

Preferably, the top outer wall of the bottom plate is fixedly connected with a baffle and a first spring respectively, the top end of the first spring is fixedly connected with a pressing plate, the bottom end of the second telescopic rod is fixedly connected onto the top outer wall of the pressing plate, a second sliding groove is formed in the outer wall of one side of the baffle, and the inner walls of the two sides of the second sliding groove are both connected with a second sliding block in a sliding mode and fixedly connected with the pressing plate.

Preferably, the drainage assembly comprises a drainage groove formed in the inner wall of the bottom of the second pump shell, a block is inserted into the drainage groove, one end of the block extends to the outside of the second pump shell, a lifting assembly is fixedly connected to the outer wall of the bottom of the block, and a sealing assembly is arranged outside the circumference of the block.

Preferably, the seal assembly comprises a seal block fixedly connected to the outer wall of the circumference of the plug block, seal strips are bonded to the outer walls of the two sides of the seal block, a seal groove is formed in the inner wall of the bottom of the second pump shell, a conical tooth block is fixedly connected to the inner wall of the bottom of the seal groove, a groove is formed in the outer wall of the bottom of the seal block, one end of the conical tooth block is located inside the groove, and the outer wall of one side of each seal strip is abutted to the inner wall of one side of the seal groove.

Preferably, the outer wall of the top of the blocking block is fixedly connected with a flow guide block, and the top of the flow guide block is of an arc surface structure.

Preferably, the number of the helical blades is eight, the outer wall of one side of each helical blade is fixedly connected with a fixed seat, the outer wall of the bottom of each fixed seat is fixedly connected with a third telescopic rod, the output end of each third telescopic rod is fixedly connected with a convex block, a third spring is sleeved on the outer wall of the circumference of each third telescopic rod, and the bottom end of each convex block is in contact with the outer wall of the top of each flow guide block.

Preferably, the lifting assembly comprises an electric push rod fixedly connected to the outer wall of the bottom of the plugging block, the output end of the electric push rod is fixedly connected with a connecting column, the outer wall of the periphery of the connecting column is fixedly connected with a fixing block, the outer wall of one side of the fixing block is fixedly connected with a transverse plate, and one end of the transverse plate is fixedly connected with a lifting plate.

Preferably, the top outer wall of the connecting disc is fixedly connected with a top column, the bottom outer wall of the lifting plate is fixedly connected with a slot, the slot and the lifting plate are integrally formed, and the top column is matched with the slot in an inserted manner.

Preferably, the outer wall of the top of the mounting plate is provided with a through hole, and one end of the connecting column penetrates through the through hole.

The invention provides a double suction pump for preventing water accumulation in a groove through improvement, and compared with the prior art, the double suction pump has the following improvements and advantages:

one is as follows: according to the double-suction pump, the motor and the mounting plate can vibrate integrally in the working process of the double-suction pump through the arranged damping component, primary longitudinal damping can be effectively carried out on the whole double-suction pump through the cooperation of the second telescopic rod and the second spring, the connecting disc fixed on the outer wall of the second telescopic rod and the second spring can drive the buffer rod to lift together in the primary damping process of the second telescopic rod and the second spring, the two ends of the buffer rod are respectively connected with the first sliding block and the connecting disc through hinges in the lifting process of the buffer rod, so that transverse damping can be effectively carried out on the whole double-suction pump, the bottom of the second telescopic rod is fixedly connected with the pressing plate, the pressing plate is fixedly connected with the bottom plate through the first spring, secondary damping can be carried out on the double-suction pump through the first spring in the primary damping process of the second telescopic rod and the second spring, the damping effect of the whole double-suction pump is further improved, and the service life of the double-suction pump is prolonged;

and the second step is as follows: according to the invention, through the arranged drainage assembly, a large amount of accumulated water can remain in the second pump shell after the pumping work of the double suction pump is finished, so that a worker starts the electric push rod when the double suction pump is about to finish the work, the electric push rod drives the connecting column and the lifting plate to move downwards, and the work is stopped until the slot at the bottom of the lifting plate is contacted with the jack-prop, at the moment, the jack-prop can be reset by a plurality of groups of springs after the double suction pump stops working, the jack-prop can be subjected to upward jacking force of the plurality of groups of springs when the damping assembly is reset, and the jack-prop can act on the blocking block, so that the blocking block can be quickly pushed open, the drainage work of the second pump shell is realized, and the situation that parts such as helical blades and the like are soaked in the accumulated water for a long time and are rusted and damaged is avoided;

and the third step: according to the double-suction pump, the spiral blade rotates along with the rotation of the fixed disc in the working process of the double-suction pump through the arranged sealing assembly, when the spiral blade with the convex block rotates to the lower part and is in contact with the flow guide block, the convex block can be effectively compressed, the situation that the block loosens and leaks in the process that the double-suction pump carries out large-flow water flow conveying for a long time is avoided, meanwhile, the convex block consists of the semicircular part and the convex point part, and the convex point part of the convex block, which is in contact with the flow guide block, is smaller in contact area with the flow guide block, so that the convex block applies larger pressure to the flow guide block and the block, and the sealing performance of the block is further ensured;

inside sealed piece can deepen more to the seal groove when the sprue receives decurrent pressure, because the inside fixedly connected with awl tooth piece of seal groove consequently along with sealed piece deepening constantly, the sealing strip of sealed piece both sides then can with the seal groove between the joint inseparabler to the holistic leakproofness of double entry pump has been guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

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

FIG. 2 is a schematic disassembled view of the first pump housing of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2 at A according to the present invention;

FIG. 4 is a side cross-sectional view of a first pump casing and a second pump casing of the present invention;

FIG. 5 is an enlarged view of the structure at B in FIG. 4 according to the present invention;

FIG. 6 is an enlarged view of the structure of FIG. 4 at C;

FIG. 7 is a schematic plan view of a shock absorbing assembly according to the present invention;

FIG. 8 is an enlarged view of FIG. 7 at D according to the present invention;

FIG. 9 is an enlarged view of E in FIG. 6 according to the present invention.

Reference numerals are as follows:

1. a base plate; 2. mounting a plate; 3. a first telescopic rod; 4. a vertical plate; 5. a first pump casing; 6. rotating the column; 7. a coupling; 8. a first fixing frame; 9. a motor; 10. a supporting base; 11. a second pump casing; 12. a liquid inlet pipe; 13. a second fixing frame; 14. fixing grooves; 15. fixing the screw rod; 16. a helical blade; 17. fixing the disc; 18. a threaded hole; 19. a first spring; 20. a through hole; 21. a fixed block; 22. connecting columns; 23. a liquid outlet pipe; 24. a baffle plate; 25. a connecting disc; 26. a buffer rod; 27. a second spring; 28. a second telescopic rod; 29. a first slider; 30. a first chute; 31. lifting the plate; 32. a slot; 33. a top pillar; 34. a transverse plate; 35. a sealing block; 36. a bump; 37. a third spring; 38. a third telescopic rod; 39. a fixed seat; 40. a flow guide block; 41. blocking; 42. a sealing groove; 43. a bevel block; 44. a water discharge tank; 45. an electric push rod; 46. and (7) pressing a plate.

Detailed Description

The present invention is described in detail below, and technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a double suction pump for preventing water accumulation in a groove through improvement, and the technical scheme of the invention is as follows:

as shown in fig. 1 to 9, an embodiment of the invention provides a double suction pump for preventing water accumulation in a groove, which comprises a bottom plate 1, wherein a first telescopic rod 3 is fixedly connected to the outer wall of the top of the bottom plate 1, a mounting plate 2 is fixedly connected to the output end of the first telescopic rod 3, a damping assembly is fixedly connected to the outer wall of the top of the bottom plate 1, the damping assembly is fixedly connected to the mounting plate 2, a supporting seat 10 is fixedly connected to the outer wall of the top of the mounting plate 2, a motor 9 is fixedly connected to the inner circumferential wall of the supporting seat 10, a coupling 7 is arranged at the output end of the motor 9, a first fixing frame 8 is fixedly connected to the outer wall of the top of the mounting plate 2, a rotating column 6 is arranged on the side of the coupling 7 away from the output end of the motor 9, a second fixing frame 13 is fixedly connected to the outer wall of the top of the mounting plate 2, and a second pump housing 11 is fixedly connected to the inner circumferential wall of the second fixing frame 13, the top of second pump case 11 is provided with first pump case 5, the screw hole 18 that the equidistance distributes is seted up to the top outer wall of second pump case 11, the circumference inner wall threaded connection of screw hole 18 has set screw 15, first pump case 5 is through set screw 15 and 11 fixed connection of second pump case, the top outer wall fixedly connected with riser 4 of mounting panel 2, the one end and the riser 4 rotation of shaft coupling 7 are kept away from to rotation post 6 are connected, fixed slot 14 has been seted up at the top of second pump case 11, the circumference outer wall of second pump case 11 is provided with feed liquor pipe 12 and drain pipe 23 respectively, the circumference outer wall fixedly connected with fixed disk 17 of rotation post 6, the equal fixedly connected with equidistance distribution's of both sides outer wall helical blade 16 of fixed disk 17, the inside of second pump case 11 is provided with the drainage subassembly.

The working principle is as follows: can be through starter motor 9 when the staff need start the double suction pump, motor 9 drives shaft coupling 7 and rotates the post 6 and together rotate, can effectually drive fixed disk 17 and rotate at the rotatory in-process of post 6 that rotates, because the both sides outer wall of fixed disk 17 all is provided with helical blade 16, consequently, can make the bigger lift of flow of whole double suction pump higher, the feed liquor pipe 12 and the drain pipe 23 of double suction pump are in same direction and perpendicular to pump shaft simultaneously, do benefit to arranging and installing of feed liquor pipe 12 and drain pipe 23 in the double suction pump, the helical blade 16 structural symmetry of double suction pump simultaneously, no axial force, thereby make the double suction pump operation more steady.

Further, damper includes first spout 30 of fixed connection at the outer wall of mounting panel 2 bottom, the first slider 29 of the equal fixedly connected with of both sides inner wall of first spout 30, there is buffer beam 26 one side outer wall of first slider 29 through hinged joint, there is connection pad 25 one end that first slider 29 was kept away from to buffer beam 26 through hinged joint, the bottom outer wall fixedly connected with second telescopic link 28 of mounting panel 2, second spring 27 has been cup jointed to the circumference outer wall of second telescopic link 28, connection pad 25 fixed connection is on the circumference outer wall of second telescopic link 28.

The working principle is as follows: the motor 9 and the mounting plate 2 can wholly vibrate in the working process of the double suction pump, primary longitudinal shock absorption can be effectively carried out on the whole double suction pump through the cooperation of the second telescopic rod 28 and the second spring 27, the connecting disc 25 fixed on the outer wall of the second telescopic rod 28 and the second spring 27 can drive the buffer rod 26 to lift together in the primary shock absorption process, and in the lifting process of the buffer rod 26, as the two ends of the buffer rod are respectively connected with the first sliding block 29 and the connecting disc 25 through hinges, transverse shock absorption can be effectively carried out on the whole double suction pump.

Further, the top outer wall of bottom plate 1 is fixedly connected with baffle 24 and first spring 19 respectively, the top fixedly connected with clamp plate 46 of first spring 19, the bottom fixed connection of second telescopic link 28 is on the top outer wall of clamp plate 46, the second spout has been seted up to one side outer wall of baffle 24, the equal sliding connection of both sides inner wall of second spout has the second slider, second slider and clamp plate 46 fixed connection.

The working principle is as follows: the bottom of the second telescopic rod 28 is fixedly connected with the pressing plate 46, the pressing plate 46 is fixedly connected with the bottom plate 1 through the first spring 19, secondary shock absorption can be carried out on the double-suction pump through the first spring 19 in the primary shock absorption process of the second telescopic rod 28 and the second spring 27, the overall shock absorption effect of the double-suction pump is further improved, and the service life of the double-suction pump is prolonged.

Further, drainage component is including seting up the water drainage tank 44 at 11 bottom inner walls of second pump case, and water drainage tank 44's inside is pegged graft and is had sprue 41, and sprue 41's one end extends to the outside of second pump case 11, and sprue 41's bottom outer wall fixedly connected with lifting unit, sprue 41's circumference is provided with sealing component outward.

The working principle is as follows: can discharge it through water drainage tank 44 when there is a large amount of ponding in second pump case 11 inside, can be effectual seal water drainage tank 44 through sprue 41 simultaneously, stability when having guaranteed double entry pump water delivery.

Further, seal assembly includes that fixed connection is at the sealed piece 35 of the 41 circumference outer walls of sprue, and the both sides outer wall of sealed piece 35 all bonds and has the sealing strip, and the seal groove 42 has been seted up to the bottom inner wall of second pump case 11, and the bottom inner wall fixedly connected with awl tooth piece 43 of seal groove 42, the recess is seted up to the bottom outer wall of sealed piece 35, and the one end of awl tooth piece 43 is located inside the recess, and one side outer wall of sealing strip is inconsistent with one side inner wall of seal groove 42.

The working principle is as follows: the spiral blades 16 can rotate in the working process of the double suction pump, because the end parts of the two groups of spiral blades 16 are fixedly connected with the convex blocks 36, the two groups of spiral blades 16 can drive the convex blocks 36 at the end parts to rotate together along with the continuous rotation of the spiral blades 16, and the convex blocks 36 can be contacted with the flow guide block 40 in the rotating process, so that downward pressure can be applied to the flow guide block 40, meanwhile, the flow guide block 40 and the blocking block 41 are fixedly connected, so that the blocking block 41 can be also stressed when the flow guide block 40 is stressed, the sealing block 35 can be deeper into the sealing groove 42 when the blocking block 41 is stressed downwards, and because the conical tooth blocks 43 are fixedly connected in the sealing groove 42, along with the continuous deepening of the sealing block 35, the sealing strips on the two sides of the sealing block 35 can be clamped with the sealing groove 42 more tightly, so that the whole sealing performance of the double suction pump is ensured.

Further, the outer wall of the top of the blocking block 41 is fixedly connected with a flow guide block 40, and the top of the flow guide block 40 is of an arc surface structure.

The working principle is as follows: because the top of water conservancy diversion piece 40 is ARC structure, consequently avoid having ponding to remain at the top of water conservancy diversion piece 40 for the inside ponding of second pump case 11 can be followed the both ends landing of water conservancy diversion piece 40, better derives ponding from second pump case 11 is inside, simultaneously through the ARC structure of water conservancy diversion piece 40, can be at the lug 36 pivoted in-process better exert pressure to water conservancy diversion piece 40.

Further, the figure of helical blade 16 is eight groups, wherein the equal fixedly connected with fixing base 39 of one side outer wall of two sets of helical blade 16, the bottom outer wall fixedly connected with third telescopic link 38 of fixing base 39, the output fixedly connected with lug 36 of third telescopic link 38, the circumference outer wall of third telescopic link 38 has cup jointed third spring 37, the bottom of lug 36 contacts with the top outer wall of water conservancy diversion piece 40.

The working principle is as follows: during the operation of the double suction pump, the spiral blade 16 rotates along with the rotation of the fixed disk 17, and when the spiral blade 16 with the convex block 36 rotates to the lower part and contacts with the flow guide block 40, the convex block 36 can effectively compress the blocking block 41, so that the situation that the blocking block 41 is loosened and leaks during the process of carrying out large-flow water flow delivery for a long time by the double suction pump is avoided.

Further, the lifting unit includes electric putter 45 of fixed connection at the outer wall of sprue 41 bottom, and electric putter 45's output fixedly connected with spliced pole 22, spliced pole 22's circumference outer wall fixedly connected with fixed block 21, one side outer wall fixedly connected with diaphragm 34 of fixed block 21, the one end fixedly connected with of diaphragm 34 lifts board 31.

The working principle is as follows: after the pumping work of double entry pump is accomplished, 11 insidely can remain a large amount of ponding in the second pump case, consequently, the staff starts electric putter 45 when double entry pump is about to finish the work, electric putter 45 drives spliced pole 22 and lifting board 31 and moves down, slot 32 and fore-set 33 of lifting board 31 bottom cooperate until, the motion that resets through damper can effectually exert ascending thrust to lifting board 31 this moment, can be with effort in sprue 41 when lifting board 31 receives thrust, thereby can realize the automatic drainage of water drainage tank 44.

Further, the top outer wall of the connecting disc 25 is fixedly connected with a top column 33, the bottom outer wall of the lifting plate 31 is fixedly connected with a slot 32, the slot 32 and the lifting plate 31 are integrally formed, and the top column 33 is matched with the slot 32 in an inserting mode.

The working principle is as follows: because the multiunit spring among the shock-absorbing component can reset work behind the double entry pump stop work, the fore-set 33 can receive the ascending apical force of multiunit spring when shock-absorbing component resets the work, the apical force that the fore-set 33 will receive acts on sprue 41 this moment, thereby can be quick with sprue 41 back-off, thereby realized the drainage work to second pump case 11, the condition of corrosion damage appears in having avoided spare parts such as helical blade 16 to soak for a long time in ponding, electric putter 45 starts when the double entry pump stops the drainage needs during operation, can drive through electric putter 45's start and lift board 31 and slot 32 and move up, thereby the fore-set 33 and the slot 32 phase separation that make, consequently, electric putter 45 has driven at shock-absorbing component work's in-process and has lifted board 31 and move up, fore-set 33 can not contact with slot 32 this moment, can not cause 41 constantly opening promptly, double entry pump job stabilization nature has been guaranteed.

Furthermore, the top outer wall of the mounting plate 2 is provided with a through hole 20, and one end of the connecting column 22 penetrates through the through hole 20.

The working principle is as follows: since the connection column 22 passes through the inside of the through hole 20, the connection column 22 can be guided well through the through hole 20.

The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a prevent double entry pump of recess ponding, includes bottom plate (1), its characterized in that: the outer wall of the top of the bottom plate (1) is fixedly connected with a first telescopic rod (3), the output end of the first telescopic rod (3) is fixedly connected with a mounting plate (2), the outer wall of the top of the bottom plate (1) is fixedly connected with a damping assembly, the damping assembly is fixedly connected with the mounting plate (2), the outer wall of the top of the mounting plate (2) is fixedly connected with a supporting seat (10), the inner wall of the circumference of the supporting seat (10) is fixedly connected with a motor (9), the output end of the motor (9) is provided with a coupler (7), the outer wall of the top of the mounting plate (2) is fixedly connected with a first fixing frame (8), one side of the coupler (7) far away from the output end of the motor (9) is provided with a rotating column (6), the outer wall of the top of the mounting plate (2) is fixedly connected with a second fixing frame (13), the inner wall of the circumference of the second fixing frame (13) is fixedly connected with a second pump shell (11), the top of the second pump shell (11) is provided with a first pump shell (5), the outer wall of the top of the second pump shell (11) is provided with threaded holes (18) distributed at equal intervals, the threaded holes (15) are connected with the threaded fixing screws (15), the top outer wall of the mounting plate (2) is fixedly connected with a vertical plate (4), one end, far away from the coupler (7), of the rotating column (6) is rotatably connected with the vertical plate (4), the top of the second pump shell (11) is provided with a fixing groove (14), the circumferential outer wall of the second pump shell (11) is respectively provided with a liquid inlet pipe (12) and a liquid outlet pipe (23), the circumferential outer wall of the rotating column (6) is fixedly connected with a fixed disk (17), the outer walls of the two sides of the fixed disk (17) are respectively and fixedly connected with spiral blades (16) distributed at equal intervals, the inside of the second pump shell (11) is provided with a drainage assembly, the damping assembly comprises a first sliding groove (30) fixedly connected with the outer wall of the bottom of the mounting plate (2), the inner walls of the two sides of the first sliding groove (30) are respectively and fixedly connected with a first sliding block (29), one outer wall of the first sliding block (29) is connected with a buffer rod (26) through a hinge, one end, far away from the first sliding block (29) is fixedly connected with a connecting disk (25) through a hinge, the outer wall of the bottom of the mounting plate (2) is fixedly connected with a second connecting disk (28), the outer wall of the second telescopic rod (28) is fixedly connected with a second telescopic rod (27), and a second telescopic rod (27), the drainage assembly comprises a drainage groove (44) formed in the inner wall of the bottom of the second pump shell (11), a plugging block (41) is inserted into the drainage groove (44), one end of the plugging block (41) extends to the outside of the second pump shell (11), a lifting assembly is fixedly connected to the outer wall of the bottom of the plugging block (41), a sealing assembly is arranged outside the circumference of the plugging block (41), the sealing assembly comprises a sealing block (35) fixedly connected to the outer wall of the circumference of the plugging block (41), sealing strips are bonded to the outer walls of the two sides of the sealing block (35), a sealing groove (42) is formed in the inner wall of the bottom of the second pump shell (11), a conical tooth block (43) is fixedly connected to the inner wall of the bottom of the sealing groove (42), a groove is formed in the outer wall of the bottom of the sealing block (35), one end of the conical tooth block (43) is located inside the groove, the outer wall of one side of the sealing strip is abutted to the inner wall of one side of the sealing groove (42), a flow guide block (40) is fixedly connected to the outer wall of the top of the plugging block (41), a fixing base of a spiral vane set (16) is connected to a fixing base (16), and a third telescopic vane set (39) is connected to a fixing base (38), the outer wall of the circumference of the third telescopic rod (38) is sleeved with a third spring (37), the bottom end of the protruding block (36) is in contact with the outer wall of the top of the flow guide block (40), the lifting assembly comprises an electric push rod (45) fixedly connected to the outer wall of the bottom of the blocking block (41), the output end of the electric push rod (45) is fixedly connected with a connecting column (22), the outer wall of the circumference of the connecting column (22) is fixedly connected with a fixing block (21), the outer wall of one side of the fixing block (21) is fixedly connected with a transverse plate (34), one end of the transverse plate (34) is fixedly connected with a lifting plate (31), the outer wall of the top of the connecting plate (25) is fixedly connected with a top column (33), the outer wall of the bottom of the lifting plate (31) is fixedly connected with a slot (32), the slot (32) and the lifting plate (31) are integrally formed, and the top column (33) is in plug-in fit with the slot (32).

2. The double suction pump for preventing water accumulation in a groove of claim 1, which is characterized in that: the top outer wall of bottom plate (1) is fixedly connected with baffle (24) and first spring (19) respectively, the top fixedly connected with clamp plate (46) of first spring (19), the bottom fixed connection of second telescopic link (28) is in on the top outer wall of clamp plate (46), the second spout has been seted up to one side outer wall of baffle (24), the equal sliding connection of both sides inner wall of second spout has the second slider, the second slider with clamp plate (46) fixed connection.

3. The double suction pump for preventing water accumulation in a groove of claim 1, which is characterized in that: the outer wall of the top of the mounting plate (2) is provided with a through hole (20), and one end of the connecting column (22) penetrates through the through hole (20).