CN114150685A - Drainage pump for large-scale deep foundation pit worker construction - Google Patents

Abstract

The invention discloses a drainage pump for large-scale deep foundation pit construction, which comprises a bottom plate, wherein a pump body is arranged at the top of the bottom plate, a base is arranged at the bottom of the pump body, the bottom of the base is attached to the top of the bottom plate, and the drainage pump can be suitable for construction sites with different ground surfaces by matching a series of components such as a base plate, a groove, a supporting block and the like, and is provided with a supporting mechanism, so that the drainage pump has high stability; through the matching use of a series of components such as the steel brush, the gear, the slide block and the like, the water pump can clean gravel and impurities at a position where water is absorbed while water is extracted, and the blockage of a water discharge pump caused by the absorption of a water suction pipe is avoided; through the matching use of a series of parts such as the clamping block, the side groove, the bolt and the like, the invention can conveniently and rapidly disassemble the parts such as the drainage pump, the bottom plate, the connecting block and the like, thereby being convenient to carry.

Description

Drainage pump for large-scale deep foundation pit worker construction

Technical Field

The invention relates to the technical field of building construction, in particular to a drainage pump for large-scale deep foundation pit construction.

Background

The deep foundation pit is a project with an excavation depth of more than 5 meters or a depth of not more than 5 meters, but with particularly complex geological conditions, surrounding environments and underground pipelines, during building construction, a plurality of large-scale deep foundation pits are usually dug, and after the large-scale deep foundation pits are dug, a plurality of underground water exists in the large-scale deep foundation pits, so that the underground water is generally removed by a drainage pump in order to avoid the influence of the underground water on the construction.

The existing drainage pump is in the use, generally all is direct mount and carries out work at the bottom of the pit, but because job site ground unevenness, there can be pot hole hollow or protruding, lead to the drainage pump staff not stable enough, simultaneously when drainage pump suction water share, often can absorb a large amount of rubble or other impurity at the bottom of the pit, this can cause the inside jam of drainage pump undoubtedly, it is exactly that it is after the use, can't convenient dismantlement carries, so put forward a large-scale deep basal pit for worker's construction drainage pump here and solve above-mentioned problem.

Disclosure of Invention

The invention aims to overcome the defects of low stability, easy blockage, inconvenience in disassembly and carrying and the like in the prior art, and provides the drainage pump for large-scale deep foundation pit construction. The draining pump for large-scale deep foundation pit construction has the characteristics of high stability, difficulty in blockage, convenience in disassembly and carrying and the like.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a drain pump is used in construction of large-scale deep basal pit worker, includes the bottom plate, the bottom plate top is equipped with the pump body, the base is installed to pump body bottom, the laminating of base bottom and bottom plate top, just the base top is close to left and right sides department and all is equipped with two bolts, the bolt bottom runs through base and bottom plate, pump body top is close to right side department and installs the drain pipe, the drinking-water pipe is installed in pump body left side, the bottom plate left side is equipped with cleans the mechanism, the bottom plate bottom is close to the equal fixedly connected with bottom block in four corners department, bottom block bottom is equipped with the connecting block, connecting block bottom swing joint has the backing plate, be equipped with clamping mechanism between connecting block and the bottom block, the bottom plate bottom is equipped with supporting mechanism.

Preferably, clean the mechanism and include the L shaped plate, L shaped plate minor face right side and bottom plate fixed connection, the drinking-water pipe left end runs through the L shaped plate to swing joint with it, L shaped plate left side swing joint has the gear, the steel brush is installed in the gear left side, the meshing of gear front side has the rack, rack top fixedly connected with props up the piece, prop up piece and L shaped plate swing joint.

Preferably, the L-shaped plate is provided with a sliding groove, the inner cavity of the sliding groove is movably connected with a sliding block, the sliding block is provided with a through hole, the water pumping pipe penetrates through the through hole, a fifth spring is fixedly connected between the top of the sliding block and the top of the inner wall of the sliding groove, and the sliding block is fixedly connected with the supporting block.

Preferably, the clamping mechanism includes the installation piece, installation piece fixed connection is in the bottom block bottom, the rectangular channel has been seted up at the connecting block top, the installation piece joint is in the rectangular channel inner chamber, just the cross slot has been seted up on the installation piece, the cross slot inner chamber is equipped with first spring, the equal fixedly connected with riser in both ends about the first spring, the one end fixedly connected with fixture block of first spring is kept away from to the riser, the side channel has all been seted up to the rectangular channel inner wall left and right sides, one side joint that the riser was kept away from to the fixture block is at the side channel inner chamber, the connecting block left and right sides all is equipped with the briquetting, one side fixedly connected with ejector pad that the briquetting is close to the connecting block, the ejector pad extends to the side channel inner chamber, just the ejector pad outside cover is equipped with the second spring, second spring both ends respectively with briquetting and connecting block fixed connection.

Preferably, the supporting mechanism includes two barrels, two the barrel sets up for controlling, two the equal fixedly connected with montant in barrel top, the montant top runs through the bottom plate to laminate bottom the base, just montant and bottom plate swing joint, montant outside cover is equipped with the third spring, the third spring both ends respectively with barrel and bottom plate fixed connection, barrel inner wall top fixedly connected with fourth spring, fourth spring bottom fixedly connected with horizontal block, horizontal block bottom fixedly connected with branch, branch bottom fixedly connected with supporting shoe.

Preferably, the bottom of the base plate is provided with a plurality of uniformly distributed grooves.

Preferably, the top surface of the supporting block is arranged in an arc shape, and the bottom of the supporting block is provided with anti-skid grains.

A use method of a drainage pump for large-scale deep foundation pit construction comprises the following steps:

s1: when the pump is used, the whole pump body is lifted to the bottom of the pit through external equipment, the base plate can change angles according to different terrains through the movable connection between the base plate and the connecting block, and meanwhile, the groove in the bottom of the base plate can effectively prevent the base plate from being unstable due to the presence of gravel at the bottom of the base plate;

s2: meanwhile, the supporting block is contacted with the ground of the pit bottom, and the supporting block compresses the fourth spring through the supporting rod and the cross block, so that the supporting block further supports the bottom plate, and the stability of the bottom plate is improved;

s3: then the pump body is driven by external equipment, so that the pump body can pump water at the bottom of the pit through the water pumping pipe and discharge the water through the water discharging pipe, in the water pumping process of the water pumping pipe, the water can shake in the water pumping process due to the hose, and the sliding block connected with the water pumping pipe can only move up and down due to the limit of the sliding block;

s4: in the moving process of the sliding block, the sliding block compresses the fifth spring and simultaneously drives the support block to move, the support block drives the rack to move, the rack drives the gear to rotate, the gear drives the steel brush to move, and when the sliding block does not move upwards any more, the sliding block can be restored to the original position under the action of the fifth spring, so that the electric steel brush moves reversely, and the ground at the bottom of the pit is cleaned through repeated movement of the steel brush;

s5: through the operation, the gravel and impurities on the ground near the water pumping pipe are swept, so that the phenomenon that the gravel and the impurities are sucked together when the water pumping pipe pumps water is avoided, and the inner part of the pump body is blocked;

s6: when the water at the bottom of the pit is completely discharged and the pump body needs to be transported to the next position for working, the whole device is lifted out through external equipment, then the two pressing blocks are pressed simultaneously, so that the pressing blocks drive the pushing block to move, the clamping blocks are pushed out of the side grooves through the movement of the pushing block, at the moment, the connecting block and the mounting block can be detached, then the bolts on the bottom plate and the base are taken down, the fixation between the bottom plate and the base is released, the whole device is detached into a plurality of small parts, and therefore the device is convenient to carry to the next construction site;

s7: and when the portable water drainage device is carried to the next construction point, the disassembly steps are repeated in the reverse direction to finish the installation operation, and the water drainage work is continued.

Compared with the prior art, the invention has the beneficial effects that:

1. when the invention is used, the invention can be suitable for construction sites on various different grounds by matching the base plate, the groove, the supporting block and a series of parts, and simultaneously has the supporting mechanism, thereby ensuring high stability;

2. when the water pump is used, a series of components such as the steel brush, the gear, the sliding block and the like are matched for use, so that the water pump can clean gravel and impurities at a position where water is absorbed while water is extracted, and the blockage of a water discharge pump caused by the absorption of a water suction pipe is avoided;

3. when the drainage pump is used, the drainage pump, the bottom plate, the connecting block and other parts can be conveniently detached through the matching use of the clamping block, the side groove, the bolt and other parts, so that the drainage pump is convenient to carry.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic structural view in elevation of the present invention;

FIG. 3 is a side view of an L-shaped plate of the present invention;

FIG. 4 is an enlarged view taken at A of FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of the invention at B of FIG. 2;

FIG. 6 is an enlarged view of FIG. 2 at C;

fig. 7 is a perspective view of the cartridge of the components of the present invention.

Reference numbers in the figures: 1. a base plate; 2. a base; 3. a pump body; 4. a bolt; 5. a drain pipe; 6. a water pumping pipe; 7. a steel brush; 8. a base plate; 9. a groove; 10. an L-shaped plate; 11. a bottom block; 12. connecting blocks; 13. a rectangular groove; 14. a transverse groove; 15. a vertical block; 16. a first spring; 17. a clamping block; 18. a side groove; 19. a push block; 20. a second spring; 21. briquetting; 22. a third spring; 23. a vertical rod; 24. a barrel; 25. a fourth spring; 26. a transverse block; 27. a strut; 28. a support block; 29. a fifth spring; 30. a chute; 31. a slider; 32. perforating; 33. supporting a block; 34. a rack; 35. a gear; 36. and (7) installing the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, 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.

Referring to fig. 1-7, the present invention provides a technical solution: a drainage pump for large-scale deep foundation pit worker construction comprises a bottom plate 1, wherein a pump body 3 is arranged at the top of the bottom plate 1, a base 2 is arranged at the bottom of the pump body 3, the bottom of the base 2 is attached to the top of the bottom plate 1, two bolts 4 are arranged at positions, close to the left side and the right side, of the top of the base 2, the bottom ends of the bolts 4 penetrate through the base 2 and the bottom plate 1, a drainage pipe 5 is arranged at a position, close to the right side, of the top of the pump body 3, a water pumping pipe 6 is arranged at the left side of the pump body 3, and a cleaning mechanism is arranged at the left side of the bottom plate 1;

the cleaning mechanism comprises an L-shaped plate 10, the right side of the short side of the L-shaped plate 10 is fixedly connected with a bottom plate 1, the left end of a water pumping pipe 6 penetrates through the L-shaped plate 10 and is movably connected with the L-shaped plate, the left side of the L-shaped plate 10 is movably connected with a gear 35, the left side of the gear 35 is provided with a steel brush 7, the front side of the gear 35 is meshed with a rack 34, the top of the rack 34 is fixedly connected with a support block 33, the support block 33 is movably connected with the L-shaped plate 10, gravel and impurities near the water pumping pipe 6 are cleaned through the arrangement, the L-shaped plate 10 is provided with a sliding groove 30, the inner cavity of the sliding groove 30 is movably connected with a sliding block 31, the sliding block 31 is provided with a through hole 32, the water pumping pipe 6 penetrates through the through hole 32, a fifth spring 29 is fixedly connected between the top of the sliding block 31 and the top of the inner wall of the sliding groove 30, the sliding block 31 is fixedly connected with the support block 33, the bottom of the bottom plate 1 is fixedly connected with bottom block 11 near four corners, the bottom of the bottom block 12 is movably connected with a backing plate 8, the bottom of the backing plate 8 is provided with a plurality of uniformly distributed grooves 9, and a clamping mechanism is arranged between the connecting block 12 and the bottom block 11;

the clamping mechanism comprises an installation block 36, the installation block 36 is fixedly connected to the bottom of the bottom block 11, a rectangular groove 13 is formed in the top of the connecting block 12, the installation block 36 is clamped in an inner cavity of the rectangular groove 13, a transverse groove 14 is formed in the installation block 36, a first spring 16 is arranged in the inner cavity of the transverse groove 14, vertical blocks 15 are fixedly connected to the left end and the right end of the first spring 16, a clamping block 17 is fixedly connected to one end, away from the first spring 16, of each vertical block 15, side grooves 18 are formed in the left side and the right side of the inner wall of the rectangular groove 13, one side, away from the vertical block 15, of each clamping block 17 is clamped in the inner cavity of each side groove 18, pressing blocks 21 are arranged on the left side and the right side of the connecting block 12, a pushing block 19 is fixedly connected to one side, close to the connecting block 12, the pushing block 19 extends to the inner cavity of the side grooves 18, a second spring 20 is sleeved outside the pushing block 19, two ends of the second spring 20 are fixedly connected with the pressing block 21 and the connecting block 12 respectively, and the connecting block 36 are convenient to disassemble, thereby being convenient for carrying subsequently, and the bottom of the bottom plate 1 is provided with a supporting mechanism;

supporting mechanism includes two barrels 24, two barrels 24 are for controlling the setting, the equal fixedly connected with montant 23 in two barrel 24 tops, bottom plate 1 is run through on montant 23 top, and laminate with 2 bottoms of base, and montant 23 and 1 swing joint of bottom plate, montant 23 outside cover is equipped with third spring 22, third spring 22 both ends respectively with barrel 24 and 1 fixed connection of bottom plate, 24 inner wall top fixedly connected with fourth spring 25 of barrel, fourth spring 25 bottom fixedly connected with horizontal block 26, 26 bottom fixedly connected with branch 27 of horizontal block, 27 bottom fixedly connected with supporting shoe 28 of branch, improve the stability of the pump body 3 at the during operation through this setting, the top surface of supporting shoe 28 is the arc setting, and anti-skidding line has been seted up to 28 bottoms of supporting shoe, through this setting up the frictional force that improves between supporting shoe 28 and the ground.

The water pumping pipe 6 is made of a plastic hose, and compared with hoses made of other materials, the plastic hose is light in material and strong in plasticity, and meanwhile, the service life of the plastic hose can be longer than that of a common hose.

A use method of a drainage pump for large-scale deep foundation pit construction comprises the following steps:

s1: when the pump body is used, the whole pump body 3 is lifted to the bottom of a pit through external equipment, the base plate 8 can change angles according to different terrains through the movable connection between the base plate 8 and the connecting block 12, and meanwhile, the groove 9 in the bottom of the base plate 8 can effectively prevent the base plate 8 from being unstable due to the presence of gravel in the bottom of the base plate 8;

s2: meanwhile, the supporting block 28 is in contact with the ground of the pit bottom, and the supporting block 28 compresses the fourth spring 25 through the supporting rod 27 and the cross block 26, so that the supporting block 28 further supports the bottom plate 1, and the stability of the bottom plate 1 is improved;

s3: then, the pump body 3 is driven by external equipment, so that the pump body 3 pumps water at the bottom of the pit through the water pumping pipe 6 and discharges the water through the water discharging pipe 5, in the water pumping process of the water pumping pipe 6, the water can shake in the water pumping process due to the hose, and the sliding block 31 connected with the water pumping pipe is limited, so that the sliding block 31 can only move up and down;

s4: in the moving process of the sliding block 31, the sliding block 31 compresses the fifth spring 29 and simultaneously drives the support block 33 to move, the support block 33 drives the rack 34 to move, the rack 34 drives the gear 35 to rotate, the gear 35 drives the steel brush 7 to move, and when the sliding block 31 does not move upwards any more, the sliding block can be restored to the original position under the action of the fifth spring 29, so that the electric steel brush 7 moves reversely, and the pit bottom ground is cleaned through the repeated movement of the steel brush 7;

s5: through the operation, the gravel and impurities on the ground near the water pumping pipe 6 are swept, so that the phenomenon that the gravel and the impurities are sucked together when the water pumping pipe 6 pumps water is avoided, and the inner part of the pump body 3 is blocked;

s6: when the water at the bottom of the pit is completely discharged and the pump body 3 needs to be transported to the next position for working, the whole device is lifted out through external equipment, then the two pressing blocks 21 are pressed simultaneously, so that the pressing blocks 21 drive the pushing block 19 to move, the clamping block 17 is pushed out of the side groove 18 through the movement of the pushing block 19, at the moment, the connecting block 12 and the mounting block 36 can be detached, then the bolt 4 on the bottom plate 1 and the base 2 is taken down, the fixation between the bottom plate 1 and the base 2 is released, and the whole device is detached into a plurality of small parts, so that the device is convenient to carry to the next construction point;

s7: and when the portable water drainage device is carried to the next construction point, the disassembly steps are repeated in the reverse direction to finish the installation operation, and the water drainage work is continued.

The working principle is as follows: when the invention is used, firstly, the whole pump body 3 is lifted to the bottom of a pit through external equipment, the shim plate 8 can change in angle according to different terrains through the movable connection between the shim plate 8 and the connecting block 12, meanwhile, the groove 9 at the bottom of the shim plate 8 can effectively prevent the shim plate 8 from being unstable due to the presence of gravel at the bottom of the shim plate 8, meanwhile, the supporting block 28 is contacted with the ground of the pit bottom, the supporting block 28 compresses the fourth spring 25 through the supporting rod 27 and the cross block 26, so that the supporting block 28 further supports the bottom plate 1, the stability of the bottom plate 1 is improved, then, the pump body 3 is driven through the external equipment, so that the pump body 3 pumps water at the bottom of the pit through the water pumping pipe 6 and discharges the water through the water discharging pipe 5, in the water pumping process of the water pumping pipe 6, because the water pumping process is a hose, the water pumping process can shake, and because the slide block 31 connected with the hose is limited, so that the slide block 31 can only move up and down, in the moving process of the sliding block 31, the sliding block 31 compresses the fifth spring 29 and simultaneously drives the supporting block 33 to move, the supporting block 33 drives the rack 34 to move, the rack 34 drives the gear 35 to rotate, the gear 35 drives the steel brush 7 to move, when the sliding block 31 does not move upwards any more, the sliding block can be restored to the original position under the action of the fifth spring 29, so that the electric steel brush 7 moves reversely, the ground at the bottom of the pit is cleaned through the repeated movement of the steel brush 7, gravel and impurities on the ground near the water pumping pipe 6 are swept through the operation, the situation that the water pumping pipe 6 sucks the gravel and the impurities together when pumping water is carried out is avoided, the blockage in the pump body 3 is caused, when the moisture at the bottom of the pit is completely discharged, and the pump body 3 needs to be transported to the next position for working, the whole device is lifted out through external equipment, and then the two pressing blocks 21 are pressed simultaneously, so that the pressing block 21 drives the pushing block 19 to move, the fixture block 17 is pushed out of the side groove 18 through the movement of the push block 19, the connecting block 12 and the mounting block 36 can be detached at the moment, then the bolts 4 on the bottom plate 1 and the base 2 are taken down, the fixation between the bottom plate 1 and the base 2 is released, the whole device is disassembled into a plurality of small parts, and therefore the device is convenient to carry to the next construction point.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a drain pump is used in construction of large-scale deep basal pit worker, includes bottom plate (1), its characterized in that: the top of the bottom plate (1) is provided with a pump body (3), the bottom of the pump body (3) is provided with a base (2), the bottom of the base (2) is attached to the top of the bottom plate (1), and two bolts (4) are arranged at the top of the base (2) near the left side and the right side, the bottom end of the bolt (4) penetrates through the base (2) and the bottom plate (1), a drain pipe (5) is arranged at the top of the pump body (3) close to the right side, a water pumping pipe (6) is arranged at the left side of the pump body (3), the left side of the bottom plate (1) is provided with a cleaning mechanism, bottom blocks (11) are fixedly connected at the bottom of the bottom plate (1) close to the four corners, the bottom of the bottom block (11) is provided with a connecting block (12), the bottom of the connecting block (12) is movably connected with a backing plate (8), a clamping mechanism is arranged between the connecting block (12) and the bottom block (11), and a supporting mechanism is arranged at the bottom of the bottom plate (1).

2. The drainage pump for large-scale deep foundation pit construction according to claim 1, wherein: cleaning mechanism includes L shaped plate (10), L shaped plate (10) minor face right side and bottom plate (1) fixed connection, drinking-water pipe (6) left end runs through L shaped plate (10) to swing joint therewith, L shaped plate (10) left side swing joint has gear (35), steel brush (7) are installed in gear (35) left side, gear (35) front side meshing has rack (34), rack (34) top fixedly connected with props up piece (33), prop up piece (33) and L shaped plate (10) swing joint.

3. The drainage pump for large deep foundation pit construction according to claim 2, wherein: seted up spout (30) on L shaped plate (10), spout (30) inner chamber swing joint has slider (31), seted up perforation (32) on slider (31), drinking-water pipe (6) run through perforation (32), common fixedly connected with fifth spring (29) between slider (31) top and spout (30) inner wall top, slider (31) and a piece (33) fixed connection.

4. The drainage pump for large-scale deep foundation pit construction according to claim 1, wherein: the clamping mechanism comprises an installation block (36), the installation block (36) is fixedly connected to the bottom of a bottom block (11), a rectangular groove (13) is formed in the top of a connecting block (12), the installation block (36) is clamped in an inner cavity of the rectangular groove (13), a transverse groove (14) is formed in the installation block (36), a first spring (16) is arranged in the inner cavity of the transverse groove (14), vertical blocks (15) are fixedly connected to the left end and the right end of the first spring (16), a clamping block (17) is fixedly connected to one end, far away from the first spring (16), of each vertical block (15), side grooves (18) are formed in the left side and the right side of the inner wall of the rectangular groove (13), one side, far away from the vertical blocks (15), of each clamping block (17) is clamped in the inner cavity of each side groove (18), pressing blocks (21) are arranged on the left side and the right side of the connecting block (12), and one side, close to the pressing block (21), of the connecting block (12), is fixedly connected with a pushing block (19), the push block (19) extends to the inner cavity of the side groove (18), a second spring (20) is sleeved on the outer side of the push block (19), and two ends of the second spring (20) are fixedly connected with the press block (21) and the connecting block (12) respectively.

5. The drainage pump for large-scale deep foundation pit construction according to claim 1, wherein: supporting mechanism includes two barrels (24), two barrel (24) sets up, two for controlling barrel (24) the equal fixedly connected with montant (23) in barrel (24) top, montant (23) top is run through bottom plate (1) to laminate with base (2) bottom, just montant (23) and bottom plate (1) swing joint, montant (23) outside cover is equipped with third spring (22), third spring (22) both ends respectively with barrel (24) and bottom plate (1) fixed connection, barrel (24) inner wall top fixedly connected with fourth spring (25), fourth spring (25) bottom fixedly connected with horizontal piece (26), horizontal piece (26) bottom fixedly connected with branch (27), branch (27) bottom fixedly connected with supporting shoe (28).

6. The drainage pump for large-scale deep foundation pit construction according to claim 1, wherein: the bottom of the backing plate (8) is provided with a plurality of uniformly distributed grooves (9).

7. The drainage pump for large deep foundation pit construction according to claim 5, wherein: the top surface of supporting shoe (28) sets up for the arc, just anti-skidding line has been seted up to supporting shoe (28) bottom.

8. The use method of the drainage pump for large deep foundation pit construction according to any one of claims 1-7, characterized by comprising the following steps:

s1: when the pump is used, the whole pump body (3) is lifted to the bottom of a pit through external equipment, the base plate (8) can change angles according to different terrains through the movable connection between the base plate (8) and the connecting block (12), and meanwhile, the groove (9) in the bottom of the base plate (8) can effectively prevent the base plate (8) from being unstable due to gravel existing at the bottom of the base plate (8);

s2: meanwhile, the supporting block (28) is in contact with the ground of the pit bottom, and the supporting block (28) compresses the fourth spring (25) through the supporting rod (27) and the transverse block (26), so that the supporting block (28) further supports the bottom plate (1), and the stability of the bottom plate (1) is improved;

s3: then the pump body (3) is driven by external equipment, so that the pump body (3) pumps water at the bottom of the pit through the water pumping pipe (6) and discharges the water through the water discharging pipe (5), in the water pumping process of the water pumping pipe (6), the water can shake in the water pumping process due to the hose, and the sliding block (31) connected with the water pumping pipe is limited, so that the sliding block (31) can only move up and down;

s4: in the moving process of the sliding block (31), the sliding block (31) compresses the fifth spring (29) and simultaneously drives the supporting block (33) to move, the supporting block (33) drives the rack (34) to move, the rack (34) drives the gear (35) to rotate, the gear (35) drives the steel brush (7) to move, and when the sliding block (31) does not move upwards any more, the sliding block can restore to the original position under the action of the fifth spring (29), so that the electric steel brush (7) moves reversely, and the pit bottom ground is cleaned through the repeated movement of the steel brush (7);

s5: through the operation, the gravel and impurities on the ground near the water pumping pipe (6) are swept, so that the situation that the gravel and the impurities are sucked together when the water pumping pipe (6) pumps water is avoided, and the blockage in the pump body (3) is caused;

s6: when the water at the bottom of the pit is completely discharged and the pump body (3) needs to be transported to the next position for working, the whole device is lifted out through external equipment, then the two pressing blocks (21) are pressed simultaneously, so that the pressing blocks (21) drive the pushing block (19) to move, the clamping block (17) is pushed out of the side groove (18) through the movement of the pushing block (19), at the moment, the connecting block (12) and the mounting block (36) can be detached, then the bolt (4) on the bottom plate (1) and the base (2) is taken down, the fixation between the bottom plate (1) and the base (2) is released, the whole device is detached into a plurality of small parts, and the device is convenient to carry to the next construction site;

s7: and when the portable water drainage device is carried to the next construction point, the disassembly steps are repeated in the reverse direction to finish the installation operation, and the water drainage work is continued.

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