CN204780961U - Well point drainage device - Google Patents
Well point drainage device Download PDFInfo
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- CN204780961U CN204780961U CN201520476069.1U CN201520476069U CN204780961U CN 204780961 U CN204780961 U CN 204780961U CN 201520476069 U CN201520476069 U CN 201520476069U CN 204780961 U CN204780961 U CN 204780961U
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Abstract
The utility model discloses a well point drainage device, it is main including a set of well point pipe (9), water -collecting header (7), piston pump (2), piston pump (2) are mainly by cylinder liner (31), piston (29), connecting rod (24), machine case (44) constitutes, have on a left side cylinder cap (27) left water intaking valve (42) and left outlet valve (25), have on the right side cylinder cap (34) right water intaking valve (36) and right outlet valve (33), piston (29) every stroke can both absorb water, the efficiency of piston pump absorbs water is improved.
Description
Technical field: the utility model relates to a kind of processing infrastructure of the realm of building construction, i.e. drainage by well points device.
Background technology: architecture construction be unable to do without based process, is commonly called as the based process of silt, because groundwater table is higher than the design elevation of based process, when digging foundation ditch, around other places often subside, and are not only difficult to continue excavation, the infringement of other buildings near also may causing.For this ground, extensively adopt drainage by well points method at present, utilize drainage by well points device that groundwater table is evacuated to below basic engineering absolute altitude, keep based process position dry, then excavation pit construction.Apply wider piston pump water-taking efficiency in current drainage by well points device not high, back and forth, two strokes just complete a draining to one, piston.
Utility model content: the purpose of this utility model is to provide a kind of drainage by well points device, its piston pump water-taking efficiency is high.
For this reason, the technical solution that the utility model proposes is, a kind of drainage by well points device, mainly comprise one group of well-point pipe, water header, gutter, the piston pump of motor and driving thereof, piston pump is formed primarily of piston, the piston rod be connected with piston, cylinder sleeve, connecting rod, water intaking valve, outlet valve, the left cylinder cap being fixed on two ends, cylinder sleeve left and right and right cylinder cap, and wherein piston rod is through left cylinder cap central through hole and rod hinge connection;
Described left cylinder cap and right cylinder cap bottom are respectively fixed left cylinder cap respectively by one group of connecting bolt and are connected and fixed plate and right cylinder cap is connected and fixed plate, and left cylinder cap is connected and fixed plate and right cylinder cap and is connected and fixed plate and is fastened on respectively on the base plate of cabinet;
The left wall inner surface of cabinet is fixed with motor, motor output shaft is fixedly connected with drive pulley, on the antetheca that negative pulley wheel is arranged on cabinet by the bearing on its wheel shaft and wheel shaft and rear wall, driving belt is enclosed within drive pulley and negative pulley wheel, negative pulley wheel front surface is fixedly connected with eccentric pin shaft, and one end of described connecting rod is hinged on eccentric pin shaft;
Left cylinder cap there is a taper water outlet through hole, this through hole is that cylinder interior diameter little cylinder external diameter is large, the left cylinder cap water outlet valve seat that a columnar and left cylinder cap is connected is covered with around this through hole, left cylinder cap water outlet valve seat cylindrical wall has and to be connected and the left titting water outlet having adpting flange of inner space with left cylinder cap water outlet valve seat, there is the center screw of individual break-through in left cylinder cap water outlet valve seat end face centre, center screw internal diameter is greater than the maximum gauge of taper water outlet through hole, is installed with the left cylinder cap water outlet valve pocket that has central through hole in this center screw; Right cylinder cap also there is the taper water outlet through hole that identical, also the right cylinder cap water outlet valve seat that a columnar and right cylinder cap is connected is covered with around this through hole, right cylinder cap water outlet valve seat cylindrical wall also has and to be connected and the right titting water outlet having adpting flange of inner space with right cylinder cap water outlet valve seat, right cylinder cap water outlet valve seat end face also has the center screw of individual break-through, is installed with the right cylinder cap water outlet valve pocket that has central through hole in this center screw;
Described outlet valve has left outlet valve and right outlet valve, there is the plate-like truncated cones platform be connected one end, bar portion of left outlet valve, the end diameter of the plate-like frustum of a cone is minimum, the maximum gauge of this frustum of a cone is less than the internal diameter of left cylinder cap water outlet valve seat end face center screw, the bar portion other end has the threaded cylindrical head of individual reduced, left water outlet valve stem is set on can be movable in the central through hole of left cylinder cap water outlet valve pocket, the taper seat of the taper water outlet through hole on the taper seat of its plate-like frustum of a cone and left cylinder cap is closely sealed, and a left side goes out
Water valve head cover has a discoid left outlet valve spring bearer plate, by a left outlet valve spring bearer plate nut, left outlet valve spring bearer plate is fixed on left outlet valve head, left water outlet valve stem cover between left cylinder cap water outlet valve pocket end face and left outlet valve spring bearer plate has left outlet valve spring, one end of left outlet valve spring is worn back from another small through hole again through after a small through hole of left outlet valve spring bearer plate, thus left outlet valve spring is connected with left outlet valve spring bearer plate, the other end of left outlet valve spring is then connected with left cylinder cap water outlet valve pocket, the elastic force of left outlet valve spring makes the taper water outlet through hole on left outlet valve and left cylinder cap closely sealed closed, the right water outlet valve stem identical with left outlet valve is also set on can be movable in the central through hole of right cylinder cap water outlet valve pocket, taper water outlet through hole taper seat on the taper seat of its plate-like frustum of a cone and right cylinder cap is closely sealed, right outlet valve head also overlaps a discoid right outlet valve spring bearer plate, by a right outlet valve spring bearer plate nut, right outlet valve spring bearer plate is fixed on right outlet valve head, right water outlet valve stem cover between right cylinder cap water outlet valve pocket end face and right outlet valve spring bearer plate has right outlet valve spring, one end of right outlet valve spring is worn back from another small through hole again through after a small through hole of right outlet valve spring bearer plate, thus right outlet valve spring is connected with right outlet valve spring bearer plate, the other end of right outlet valve spring is then connected with right cylinder cap water outlet valve pocket, the elastic force of right outlet valve spring makes the taper water outlet through hole on the dish type frustum of a cone of right outlet valve and right cylinder cap closely sealed closed,
Left cylinder cap also has a left cylinder cap taper inlet through hole, this through hole is that cylinder interior diameter vat external diameter is little, the left cylinder cap inlet valve seat that a columnar and left cylinder cap is connected is covered with around left cylinder cap taper inlet through hole, left cylinder cap inlet valve seat cylindrical wall has and to be connected and the left admitting pipe joint having adpting flange of inner space with left cylinder cap inlet valve seat, there is the center screw of individual break-through in left cylinder cap inlet valve seat end face centre, this center screw internal diameter is greater than the maximum gauge of taper inlet through hole, also the left cylinder cap water inlet valve pocket that has central through hole is installed with in this center screw, right cylinder cap also there is a right cylinder cap taper inlet through hole, also a right cylinder cap inlet valve seat be connected with right cylinder cap is covered with around right cylinder cap taper inlet through hole, right cylinder cap inlet valve seat cylindrical wall also has and to be connected and the right admitting pipe joint having adpting flange of inner space with right cylinder cap inlet valve seat, there is the center screw of individual break-through in right cylinder cap inlet valve seat end face centre, this center screw internal diameter is greater than the maximum gauge of taper inlet through hole, is also installed with the right cylinder cap water inlet valve pocket that has central through hole in this center screw,
Described water intaking valve has left water intaking valve and right water intaking valve, there is the plate-like truncated cones platform be connected left water inlet valve stem one end, the end diameter of the plate-like frustum of a cone is maximum, but this maximum gauge is less than the internal diameter of left cylinder cap inlet valve seat end face center screw, the bar portion other end has the threaded cylindrical head of individual reduced, left water inlet valve stem is set on can be movable in the central through hole at left cylinder cap water inlet valve pocket top, the taper seat of the taper inlet through hole on the taper seat of its plate-like frustum of a cone and left cylinder cap is closely sealed, left water intaking valve head cover has a discoid left water intaking valve spring bearer plate, by a left water intaking valve spring bearer plate nut, left water intaking valve spring bearer plate is fixed on left water intaking valve head, left water inlet valve stem cover between left cylinder cap water inlet valve pocket end face and left water intaking valve spring bearer plate has left water intaking valve spring, one end of left water intaking valve spring is worn back from another small through hole again through after a small through hole of left water intaking valve spring bearer plate, thus left water intaking valve spring is connected with left water intaking valve spring bearer plate, the other end and the left cylinder cap of left water intaking valve spring valve pocket of intaking is connected, the elastic force of left water intaking valve spring makes the taper inlet through hole on left water intaking valve and left cylinder cap closely sealed closed, the right water inlet valve stem identical with left water intaking valve be also set on right cylinder cap intake valve pocket central through hole in can be movable, taper inlet through hole taper seat on its plate-like frustum of a cone and right cylinder cap is closely sealed, right water intaking valve head also overlaps a discoid right water intaking valve spring bearer plate, by a right water intaking valve spring bearer plate nut, right water intaking valve spring bearer plate is fixed on right water intaking valve head, right water inlet valve stem cover between right cylinder cap water inlet valve pocket end face and right water intaking valve spring bearer plate has right water intaking valve spring, one end of right water intaking valve spring is worn back from another small through hole again through after a small through hole of right water intaking valve spring bearer plate, thus right water intaking valve spring is connected with right water intaking valve spring bearer plate, the other end of right water intaking valve spring valve pocket of then intaking with right cylinder cap is connected, the elastic force of right water intaking valve spring makes the taper inlet through hole on the dish type frustum of a cone of right water intaking valve and right cylinder cap closely sealed closed,
Comprise the left cylinder cap of taper water outlet through hole and taper inlet through hole and right cylinder cap, left cylinder cap water outlet valve seat and right cylinder cap water outlet valve seat, left cylinder cap water outlet valve pocket and right cylinder cap water outlet valve pocket, left outlet valve and right outlet valve, left outlet valve spring and right outlet valve spring, left outlet valve spring bearer plate and right outlet valve spring bearer plate; Left cylinder cap inlet valve seat and right cylinder cap inlet valve seat, left cylinder cap water inlet valve pocket and right cylinder cap are intake valve pocket, left water intaking valve and right water intaking valve, left water intaking valve spring and right water intaking valve spring, left water intaking valve spring bearer plate and right water intaking valve spring bearer plate are identical all one by one and symmetrical one by one centered by the cross section of cylinder sleeve center vertical;
The lange fitting head at the two ends, U-shaped water inlet pipe left and right of a threeway is connected through with the right admitting pipe joint on the left admitting pipe joint on left cylinder cap inlet valve seat and right cylinder cap inlet valve seat respectively, again with the lange fitting head of described water header is connected through after connecting after the water-in flange coil pipe joint in the middle of it connects a water inlet elbow horizontal through the water-in flange coil pipe joint that the antetheca of cabinet is identical with another; The lange fitting head at the two ends, U-shaped outlet pipe left and right of another threeway is connected through with the right titting water outlet on the left titting water outlet on left cylinder cap water outlet valve seat and right cylinder cap water outlet valve seat respectively, again with the lange fitting head of described gutter is connected through after connecting after the water-output flange coil pipe joint in the middle of it connects a water exit elbow horizontal through the water-output flange coil pipe joint that the rear wall of cabinet is identical with another.
Therefore left and right cylinder cap all has left and right water intaking valve and left and right outlet valve, each stroke of piston always has the draining valve water outlet of a water intake valve, and water-taking efficiency doubles.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing illustrates:
Fig. 1 is the utility model general structure schematic diagram;
Fig. 2 is the sectional structure schematic diagram of piston pump 2 in Fig. 1;
Fig. 3 is the sectional structure schematic diagram of left cylinder cap water outlet valve seat 27a, left outlet valve 25 and annex thereof in Fig. 2;
Fig. 4 is the sectional structure schematic diagram of left cylinder cap inlet valve seat 27e, left water intaking valve 42 and annex thereof in Fig. 2.
Detailed description of the invention:
Embodiment 1 as shown in Figures 1 to 4.Burrow in the foundation ditch needing excavation and bury one group of well-point pipe 9, each well-point pipe 9 needs below the bottom surface of excavation to have one group of small through hole 9a below foundation ditch plane 11, namely the elevation of all small through hole 9a is lower than excavating bottom surface, this section of well-point pipe 9 having small through hole 9a is surrounded by nonwoven layer 12, permeablely can stop silt again, outer heap sand filtering layer 13 drainage again of nonwoven layer 12.One section of well-point pipe 9 surrounding filling dirt bed 10 also tamping that more than bottom surface does not have small through hole 9a need be excavated, prevent air from infiltrating well-point pipe 9 inner chamber.Several parallel well-point pipe 9 is one group and is all communicated with same collection branch pipe 7a, and several parallel collection branch pipe 7a is all communicated with water header 7.Conveniently connect, be connected with collection branch pipe 7a again after equal connecting hose 7b above each well-point pipe 9.Equally, water header 7 is connected again after the equal connecting hose 7b of each collection branch pipe 7a.On water header 7, also side is connected to vacuum meter 6, with vacuum in detected set supply mains 7.The structure of piston pump 2 is as shown in Figure 2, Figure 3, Figure 4:
Horizontal two ends have cylindrical shape cylinder sleeve about 31 two ends of flange collar respectively to connect left cylinder cap 27 and right cylinder cap 34 respectively by one group of connecting bolt, left cylinder cap 27 and right cylinder cap 34 bottom are respectively fixed left cylinder cap respectively by one group of connecting bolt and are connected and fixed plate 40 and right cylinder cap is connected and fixed plate 37, left cylinder cap is connected and fixed plate 40 and right cylinder cap and is connected and fixed plate 37 and is separately fixed at again on the base plate of cabinet 44, welding can be illustrated in figure 2, also can be connected and fixed plate 40 and right cylinder cap and be connected and fixed plate 37 bottom and have flanging by left cylinder cap, be fixed on cabinet 44 by attachment screw.Cabinet 44 is casings, but uncovered, separately there is a case lid 45, by one group of attachment screw, case lid 45 is fixed on cabinet 44 top.The utility model accuracy of manufacture is less demanding, even if there is water to bleed cabinet 44, cabinet 44 base plate has several through hole, and the water that can bleed is discharged.The left wall inner surface of cabinet is by attachment screw fixed motor 20, motor 20 output shaft 20a is connected with drive pulley 21 by flat key, on the antetheca that negative pulley wheel 23 is arranged on cabinet 44 by the bearing on its wheel shaft 23b and wheel shaft 23b and rear wall, driving belt 22 is enclosed within drive pulley 21 and negative pulley wheel 23.This belt transmission can be flat belt, Belt Drive, but is good with odontoid belt transmission.Negative pulley wheel 23 front surface there is individual eccentric through-hole, eccentric through-hole is connected and fixed eccentric pin shaft 23a, can weld, also can stationary fit connect, also can have the threaded head of individual reduced in eccentric pin shaft two ends, one of them head is set on eccentric through-hole and is connected and fixed by nut.Cylinder sleeve 31 inner sleeve has piston 29, and piston 29 center is connected with piston rod 28, can weld, and also can be threaded.Piston rod 28 left end passes left cylinder cap 27 central through hole, its left end has individual through hole, or the annulus be connected, hinged by hinge 43 and connecting rod 24, there is through hole at connecting rod 24 two ends, also can be the annulus be connected, the other end be then hinged with eccentric pin shaft 23a, and by the nut locking be spun on eccentric pin shaft 23a head.
Left cylinder cap 27 has a taper water outlet through hole, this through hole is that cylinder interior diameter little cylinder external diameter is large.A columnar left cylinder cap water outlet valve seat 27a is covered with around this through hole, left cylinder cap water outlet valve seat 27a is connected with left cylinder cap 27, its cylindrical wall has to be connected and the left titting water outlet 27b having adpting flange of inner space with left cylinder cap water outlet valve seat 27a.Left cylinder cap water outlet valve seat 27a end face has the center screw of individual break-through, and center screw internal diameter is greater than the maximum gauge of taper water outlet through hole, is installed with the columnar left cylinder cap water outlet valve pocket 27c that has central through hole in this center screw.Also can be as shown in Figure 3, left cylinder cap water outlet valve seat 27a end face center screw is a shoulder hole, its outside diameter is large, inner chamber side diameter is little, and the little circular hole of diameter is screw, the circular hole that diameter is large is unthreaded hole, and the left cylinder cap water outlet valve pocket 27c of rotation set in center screw is a ladder barrel, and left like this cylinder cap water outlet valve pocket 27c just can axial location.Right cylinder cap 34 also there is an identical taper water outlet through hole, also the right cylinder cap water outlet valve seat 34a that a columnar and right cylinder cap 34 is connected is covered with around this through hole, right cylinder cap water outlet valve seat 34a cylindrical wall also has and to be connected and the right titting water outlet 34b having adpting flange of inner space with right cylinder cap water outlet valve seat 34a, right cylinder cap water outlet valve seat 34a end face also has the center screw of individual break-through, is also installed with the right cylinder cap water outlet valve pocket that has central through hole in this center screw.
Described outlet valve has left outlet valve 25 and right outlet valve 33.There is the plate-like truncated cones platform be connected one end, left outlet valve 25 bar portion, the end diameter of the plate-like frustum of a cone is minimum, the maximum gauge of this frustum of a cone is less than the internal diameter of left cylinder cap water outlet valve seat 27a end face center screw, the bar portion other end has the threaded cylindrical head of individual reduced, left outlet valve 25 bar portion is set on can be movable in the central through hole of left cylinder cap water outlet valve pocket 27c, taper water outlet through hole taper seat on the taper seat of its plate-like frustum of a cone and left cylinder cap 27 is closely sealed, left outlet valve 25 head cover has a discoid left outlet valve spring bearer plate 27d, by a left outlet valve spring bearer plate nut, left outlet valve spring bearer plate 27d is fastened on left outlet valve 25 head.Left outlet valve 25 bar portion between left cylinder cap water outlet valve pocket 27c end face and left outlet valve spring bearer plate 27d overlaps and has left outlet valve spring 26, one end of left outlet valve spring 26 is worn back from another small through hole again through after a small through hole of left outlet valve spring bearer plate 27d, thus left outlet valve spring 26 is connected with left outlet valve spring bearer plate 27d, the other end of left outlet valve spring 26 is then connected with left cylinder cap water outlet valve pocket 27c, can be welded on left cylinder cap water outlet valve pocket 27c end face, also can go directly through a small through hole on left cylinder cap water outlet valve pocket 27c left cylinder cap water outlet valve pocket 27c bottom surface after bending.Left outlet valve spring 26 is in the state be elongated after assembling, and its elastic force makes left outlet valve 25 and the taper water outlet through hole on left cylinder cap 27 closely sealed closed.Right outlet valve 33 bar portion is also set on can be movable in the central through hole of right cylinder cap water outlet valve pocket, taper water outlet through hole taper seat on the taper seat of its plate-like frustum of a cone and right cylinder cap 34 is closely sealed, right outlet valve 33 head also overlaps a discoid right outlet valve spring bearer plate, by a right outlet valve spring bearer plate nut, right outlet valve spring bearer plate is fixed on right outlet valve 33 head, right outlet valve 33 bar portion between right cylinder cap water outlet valve pocket end face and right outlet valve spring bearer plate overlaps and has right outlet valve spring 32, one end of right outlet valve spring 32 is worn back from another small through hole again through after a small through hole of right outlet valve spring bearer plate, thus right outlet valve spring 32 is connected with right outlet valve spring bearer plate, the other end of right outlet valve spring 32 is also connected with right cylinder cap water outlet valve pocket, it can be the end face being welded on right cylinder cap water outlet valve pocket, also can be a small through hole that the other end of right outlet valve spring 32 puts through right cylinder cap outlet valve go directly right cylinder cap water outlet valve pocket bottom surface after bending.The elastic force of the right outlet valve spring 32 be elongated after assembling makes right outlet valve 33 and the taper water outlet through hole on right cylinder cap 34 closely sealed closed.
Left cylinder cap 27 also has a left cylinder cap taper inlet through hole, this through hole is that cylinder interior diameter vat external diameter is little, the left cylinder cap inlet valve seat 27e that a columnar and left cylinder cap 27 is connected is covered with around left cylinder cap taper inlet through hole, left cylinder cap inlet valve seat 27e cylindrical wall has and to be connected and the left admitting pipe joint 27f having adpting flange of inner space with left cylinder cap inlet valve seat 27e, there is the center screw of individual break-through in left cylinder cap inlet valve seat 27e end face centre, this center screw internal diameter is greater than the maximum gauge of taper inlet through hole, also the left cylinder cap water inlet valve pocket 27h that has central through hole is installed with in this center screw.Right cylinder cap 34 also there is a right cylinder cap taper inlet through hole, also a right cylinder cap inlet valve seat 34e be connected with right cylinder cap 34 is covered with around right cylinder cap taper inlet through hole, right cylinder cap inlet valve seat 34e cylindrical wall also has and to be connected and the right admitting pipe joint 34f having adpting flange of inner space with right cylinder cap inlet valve seat 34e, there is the center screw of individual break-through in right cylinder cap inlet valve seat 34e end face centre, this center screw internal diameter is greater than the maximum gauge of taper inlet through hole, is also installed with the right cylinder cap water inlet valve pocket that has central through hole in this center screw.
Described water intaking valve has left water intaking valve 42 and right water intaking valve 36.There is the plate-like truncated cones platform be connected one end, left water intaking valve 42 bar portion, the end diameter of the plate-like frustum of a cone is maximum, but this maximum gauge is less than the internal diameter of left cylinder cap inlet valve seat 27e end face center screw, the bar portion other end has the threaded cylindrical head of individual reduced, left water intaking valve 42 bar portion is set on can be movable in the central through hole of left cylinder cap water inlet valve pocket 27h, the taper seat of the taper inlet through hole on the taper seat of its plate-like frustum of a cone and left cylinder cap 27 is closely sealed, left water intaking valve 42 head cover has a discoid left water intaking valve spring bearer plate 27g, by a left water intaking valve spring bearer plate nut, left water intaking valve spring bearer plate 27g is fixed on left water intaking valve 42 head, left water intaking valve 42 bar portion between left cylinder cap water inlet valve pocket 27h end face and left water intaking valve spring bearer plate 27g overlaps and has left water intaking valve spring 41, one end of left water intaking valve spring 41 is worn back from another small through hole again through after a small through hole of left water intaking valve spring bearer plate 27g, thus left water intaking valve spring 41 is connected with left water intaking valve spring bearer plate 27g, the other end of left water intaking valve spring 41 valve pocket 27h of then intaking with left cylinder cap is connected, can be welded on left cylinder cap water inlet valve pocket 27h end face, also can through bending behind through left cylinder cap water inlet valve pocket 27h bottom surface after a small through hole on left cylinder cap water inlet valve pocket 27h.Left water intaking valve spring 41 after assembling is compressed, and its elastic force makes left water intaking valve 42 and the taper inlet through hole on left cylinder cap 27 closely sealed closed.Right water intaking valve 36 bar portion is also set on can be movable in the central through hole of right cylinder cap water inlet valve pocket, its plate-like frustum of a cone can be closely sealed with the taper inlet through hole taper seat on right cylinder cap 34, right water intaking valve 36 head also overlaps a discoid right water intaking valve spring bearer plate, by a right water intaking valve spring bearer plate nut, right water intaking valve spring bearer plate is fixed on right water intaking valve 36 head, right water intaking valve 36 bar portion between right cylinder cap water inlet valve pocket end face and right water intaking valve spring bearer plate overlaps and has right water intaking valve spring 35, one end of right water intaking valve spring 35 is worn back from another small through hole again through after a small through hole of right water intaking valve spring bearer plate, thus right water intaking valve spring 35 is connected with right water intaking valve spring bearer plate, right water intaking valve spring 35 other end valve pocket of then intaking with right cylinder cap is connected, can be welded on right cylinder cap water inlet valve pocket end face, bending behind through right cylinder cap water inlet valve pocket bottom surface after a small through hole that also can put through right cylinder cap water intaking valve.Right water intaking valve spring 35 after assembling is compressed, and its elastic force makes right water intaking valve 35 and the taper inlet through hole on right cylinder cap 34 closely sealed closed.
Comprise the left cylinder cap 27 of taper water outlet through hole and taper inlet through hole and right cylinder cap 34, left cylinder cap water outlet valve seat 27a and right cylinder cap water outlet valve seat 34a, left cylinder cap water outlet valve pocket 27c and right cylinder cap water outlet valve pocket, left outlet valve 25 and right outlet valve 33, left outlet valve spring 26 and right outlet valve spring 32, left outlet valve spring bearer plate 27d and right outlet valve spring bearer plate; Left cylinder cap inlet valve seat 27e and right cylinder cap inlet valve seat 34e, left cylinder cap water inlet valve pocket 27h and right cylinder cap are intake valve pocket, left water intaking valve 42 and right water intaking valve 36, left water intaking valve spring 41 and right water intaking valve spring 35, left water intaking valve spring bearer plate 27g and right water intaking valve spring bearer plate are identical all one by one and symmetrical one by one centered by the cross section of cylinder sleeve 31 center vertical.
The lange fitting head at U-shaped water inlet pipe about 38 two ends of a threeway is connected through with the right admitting pipe joint 34f on the left admitting pipe joint 27f on left cylinder cap inlet valve seat 27e and right cylinder cap inlet valve seat 34e respectively, again with the lange fitting head of water header 7 is connected through after connecting after the water-in flange coil pipe joint 38a in the middle of it connects a water inlet elbow 48 horizontal through the water-in flange coil pipe joint 38a that the antetheca of cabinet 44 is identical with another.The lange fitting head at U-shaped outlet pipe about 30 two ends of another threeway is connected through with the right titting water outlet 34b on the left titting water outlet 27b on left cylinder cap water outlet valve seat 27a and right cylinder cap water outlet valve seat 34a respectively, be connected through with the lange fitting head of gutter 1 again after connecting horizontal through the water-output flange coil pipe joint 30a that the rear wall of cabinet 44 is identical with another after water-output flange coil pipe joint 30a in the middle of it connects a water exit elbow 47, the water that gutter 1 is discharged can put into rhone.Described cabinet 44 rear wall refers to the cabinet wall towards gutter 1, and cabinet 44 antetheca refers to the cabinet wall towards water header 7; The left and right of described left cylinder cap 27 and right cylinder cap 34 etc. refers to that left hand is a left side, and the right hand is the right side in the face of cabinet 44 antetheca.
Embodiment 2 also as shown in Figures 1 to 4.Left cylinder cap 27 central through hole is embedded with the piston rod water seal 39 that has central through hole, and piston rod 28 can be movable through piston rod water seal 39 central through hole.A circular pit is all had around the central through hole of left cylinder cap water outlet valve pocket 27c inner chamber one side end face, around the central through hole of right cylinder cap water outlet valve pocket inner chamber one side end face, around the central through hole of left cylinder cap water inlet valve pocket 27h inner chamber one side end face, around the central through hole of right cylinder cap water inlet valve pocket inner chamber one side end face, all be embedded with the valve rod water seal 46 that has central through hole in each circular pit, the bar portion of left water intaking valve 42, right water intaking valve 36, left outlet valve 25, right outlet valve 33 can be movable through respective valve rod water seal 46 central through hole.Piston rod water seal 39, valve rod water seal 46 are all oil sealings of commercially available routine.Other are all identical with embodiment 1, no longer repeat.There is above-mentioned water seal, just can reduce leaking or seeping water of region of interest.
Embodiment 3 also as shown in Figures 1 to 4.Water header 7 connects a water tank 3, the radiator drain 3b that bottom water tank 3, connection two is downward, after these two radiator drain 3b are connected in series a Cistern valve 3a separately, be connected with water header 7 respectively, this section of water header 7 between two radiator drain 3b is connected in series a graduating valve 5.Protruding opening is arranged at water tank 3 top, and opening having screw thread, it is rotary with tank lid 4, have a seal washer in tank lid 4, is rubber washer.All the other are all identical with embodiment 2, no longer repeat.
In Fig. 1, each collection branch pipe 7a end all connects a vent valve 8.
The course of work of embodiment 1, embodiment 2 is substantially the same manner as Example 3.When pipe-line system volume is larger, adopt embodiment 3 more applicable, its course of work is: piston pump 2 first opens each vent valve 8 before starting shooting, then opens two Cistern valve 3a and graduating valve 5, water tank 3 is to pipe-line system water filling, after vent valve 8 water outlet, close vent valve 8, deflation operations can repeat several times, namely close after each vent valve 8 again to water tank 3 water filling, open vent valve 8 again to exit, then close vent valve 8, exhaust velocity in pipeline can be accelerated like this.Then actuating motor 20, piston pump 2 operates.When piston 29 moves right, there is negative pressure in cylinder sleeve 31 inner chamber on piston 29 left side, overcomes the elastic force of left water intaking valve spring 41, and left water intaking valve 42 is opened to the right, and underground water by the road system is inhaled in cylinder sleeve 31.Meanwhile, cylinder sleeve 31 chamber pressure on the right of piston 29 increases, and overcome right outlet valve spring 32 elastic force, right outlet valve 33 is opened to the right, and the water in the cylinder sleeve 31 on the right of piston 29 is forced into outlet pipe 30 through adjutage 1 draining; When piston 29 is to left movement, there is negative pressure in cylinder sleeve 31 inner chamber on the right of piston 29, right water intaking valve 36 is opened left, and underground water flows into inner chamber on the right side of cylinder sleeve 31.Meanwhile, piston 29 left side cylinder sleeve 31 chamber pressure increases, and left outlet valve 25 is opened left, and on the left of cylinder sleeve 31, inner chamber water is forced into outlet pipe 30 and discharges.Piston 29 moves continuously, and water suction work is carried out continuously, and each stroke of piston can be intake and draining, doubles than existing piston pump efficiency of drawing water.When adjutage 1 water outlet significantly reduce, silt foundation pit earth obviously hardens, and represents that the groundwater table within the scope of foundation ditch has been down to and need have been excavated below bottom surface, just can excavation pit.
Claims (3)
1. a drainage by well points device, mainly comprise one group of well-point pipe, water header, gutter, the piston pump of motor and driving thereof, piston pump is formed primarily of piston, the piston rod be connected with piston, cylinder sleeve, connecting rod, water intaking valve, outlet valve, the left cylinder cap being fixed on two ends, cylinder sleeve left and right and right cylinder cap, and wherein piston rod is through left cylinder cap central through hole and rod hinge connection, it is characterized in that:
Described left cylinder cap (27) and right cylinder cap (34) bottom are respectively fixed left cylinder cap respectively by one group of connecting bolt and are connected and fixed plate (40) and right cylinder cap is connected and fixed plate (37), and left cylinder cap is connected and fixed plate (40) and right cylinder cap and is connected and fixed plate (37) and is fastened on the base plate of cabinet (44) respectively;
The left wall inner surface of cabinet (44) is fixed with motor (20), motor (20) output shaft (20a) is fixedly connected with drive pulley (21), on the antetheca that negative pulley wheel (23) is arranged on cabinet (44) by the bearing on its wheel shaft (23b) and wheel shaft and rear wall, driving belt (22) is enclosed within drive pulley (21) and negative pulley wheel (23), negative pulley wheel (23) front surface is fixedly connected with eccentric pin shaft (23a), one end of described connecting rod (24) is hinged on eccentric pin shaft (23a);
Left cylinder cap (27) there is a taper water outlet through hole, this through hole is that cylinder interior diameter little cylinder external diameter is large, the left cylinder cap water outlet valve seat (27a) that a columnar and left cylinder cap (27) is connected is covered with around this through hole, left cylinder cap water outlet valve seat (27a) cylindrical wall has and to be connected and the left titting water outlet (27b) having adpting flange of inner space with left cylinder cap water outlet valve seat (27a), there is the center screw of individual break-through in left cylinder cap water outlet valve seat (27a) end face centre, center screw internal diameter is greater than the maximum gauge of taper water outlet through hole, the left cylinder cap water outlet valve pocket (27c) that one has central through hole is installed with in this center screw, right cylinder cap (34) also there is the taper water outlet through hole that identical, also the right cylinder cap water outlet valve seat (34a) that a columnar and right cylinder cap (34) is connected is covered with around this through hole, right cylinder cap water outlet valve seat (34a) cylindrical wall also has and to be connected and the right titting water outlet (34b) having adpting flange of inner space with right cylinder cap water outlet valve seat (34a), right cylinder cap water outlet valve seat (34a) end face also has the center screw of individual break-through, is installed with the right cylinder cap water outlet valve pocket that has central through hole in this center screw,
Described outlet valve has left outlet valve (25) and right outlet valve (33), there is the plate-like truncated cones platform be connected one end, bar portion of left outlet valve (25), the end diameter of the plate-like frustum of a cone is minimum, the maximum gauge of this frustum of a cone is less than the internal diameter of left cylinder cap water outlet valve seat (27a) end face center screw, the bar portion other end has the threaded cylindrical head of individual reduced, left outlet valve (25) bar portion is set on can be movable in the central through hole of left cylinder cap water outlet valve pocket (27c), the taper seat of the taper water outlet through hole on the taper seat of its plate-like frustum of a cone and left cylinder cap (27) is closely sealed, left outlet valve (25) head cover has a discoid left outlet valve spring bearer plate (27d), by a left outlet valve spring bearer plate nut, left outlet valve spring bearer plate (27d) is fixed on left outlet valve (25) head, left outlet valve (25) bar portion between left cylinder cap water outlet valve pocket (27c) end face and left outlet valve spring bearer plate (27d) is overlapped left outlet valve spring (26), one end of left outlet valve spring (26) is worn back from another small through hole again through after a small through hole of left outlet valve spring bearer plate (27d), thus left outlet valve spring (26) is connected with left outlet valve spring bearer plate (27d), the other end of left outlet valve spring (26) is then connected with left cylinder cap water outlet valve pocket (27c), the elastic force of left outlet valve spring (26) makes left outlet valve (25) and the taper water outlet through hole on left cylinder cap (27) closely sealed closed, right outlet valve (33) the bar portion identical with left outlet valve (25) is also set on can be movable in the central through hole of right cylinder cap water outlet valve pocket, taper water outlet through hole taper seat on the taper seat of its plate-like frustum of a cone and right cylinder cap (34) is closely sealed, right outlet valve (33) head also overlaps a discoid right outlet valve spring bearer plate, by a right outlet valve spring bearer plate nut, right outlet valve spring bearer plate is fixed on right outlet valve (33) head, right outlet valve (33) the bar portion between right cylinder cap water outlet valve pocket end face and right outlet valve spring bearer plate overlaps and has right outlet valve bullet
Spring (32), one end of right outlet valve spring (32) is worn back from another small through hole again through after a small through hole of right outlet valve spring bearer plate, thus right outlet valve spring (32) is connected with right outlet valve spring bearer plate, the other end of right outlet valve spring (32) is then connected with right cylinder cap water outlet valve pocket, and the elastic force of right outlet valve spring (32) makes the taper water outlet through hole on the dish type frustum of a cone of right outlet valve (33) and right cylinder cap (34) closely sealed closed;
Left cylinder cap (27) is upper also has a left cylinder cap taper inlet through hole, this through hole is that cylinder interior diameter vat external diameter is little, the left cylinder cap inlet valve seat (27e) that a columnar and left cylinder cap (27) is connected is covered with around left cylinder cap taper inlet through hole, left cylinder cap inlet valve seat (27e) cylindrical wall has and to be connected and the left admitting pipe joint (27f) having adpting flange of inner space with left cylinder cap inlet valve seat (27e), there is the center screw of individual break-through in left cylinder cap inlet valve seat (27e) end face centre, this center screw internal diameter is greater than the maximum gauge of taper inlet through hole, also left cylinder cap water inlet valve pocket (27h) that has central through hole is installed with in this center screw, right cylinder cap (34) also there is a right cylinder cap taper inlet through hole, also a right cylinder cap inlet valve seat (34e) be connected with right cylinder cap (34) is covered with around right cylinder cap taper inlet through hole, right cylinder cap inlet valve seat (34e) cylindrical wall also has and to be connected and the right admitting pipe joint (34f) having adpting flange of inner space with right cylinder cap inlet valve seat (34e), there is the center screw of individual break-through in right cylinder cap inlet valve seat (34e) end face centre, this center screw internal diameter is greater than the maximum gauge of taper inlet through hole, also the right cylinder cap water inlet valve pocket that has central through hole is installed with in this center screw,
Described water intaking valve has left water intaking valve (42) and right water intaking valve (36), there is the plate-like truncated cones platform be connected one end, left water intaking valve (42) bar portion, the end diameter of the plate-like frustum of a cone is maximum, but this maximum gauge is less than the internal diameter of left cylinder cap inlet valve seat (27e) end face center screw, the bar portion other end has the threaded cylindrical head of individual reduced, left water intaking valve (42) bar portion is set on can be movable in the central through hole of left cylinder cap water inlet valve pocket (27h), the taper seat of the taper inlet through hole on the taper seat of its plate-like frustum of a cone and left cylinder cap (27) is closely sealed, left water intaking valve (42) head cover has a discoid left water intaking valve spring bearer plate (27g), by a left water intaking valve spring bearer plate nut, left water intaking valve spring bearer plate (27g) is fixed on left water intaking valve (42) head, left water intaking valve (42) bar portion between left cylinder cap water inlet valve pocket (27h) end face and left water intaking valve spring bearer plate (27g) overlaps and has left water intaking valve spring (41), one end of left water intaking valve spring (41) is worn back from another small through hole again through after a small through hole of left water intaking valve spring bearer plate (27g), thus left water intaking valve spring (41) is connected with left water intaking valve spring bearer plate (27g), the other end and the left cylinder cap of left water intaking valve spring (41) valve pocket (27h) of intaking is connected, the elastic force of left water intaking valve spring (41) makes left water intaking valve (42) and the taper inlet through hole on left cylinder cap (27) closely sealed closed, right water intaking valve (36) the bar portion identical with left water intaking valve (42) be also set on right cylinder cap intake valve pocket central through hole in can be movable, taper inlet through hole taper seat on its plate-like frustum of a cone and right cylinder cap (34) is closely sealed, right water intaking valve (36) head also overlaps a discoid right water intaking valve spring bearer plate, by a right water intaking valve spring bearer plate nut, right water intaking valve spring bearer plate is fixed on right water intaking valve (36) head, right water intaking valve (36) bar portion between right cylinder cap water inlet valve pocket end face and right water intaking valve spring bearer plate overlaps and has right water intaking valve spring (35), one end of right water intaking valve spring (35) is worn back from another small through hole again through after a small through hole of right water intaking valve spring bearer plate, thus right water intaking valve spring (35) is connected with right water intaking valve spring bearer plate, the other end of right water intaking valve spring (35) valve pocket of then intaking with right cylinder cap is connected, the elastic force of right water intaking valve spring (35) makes the taper inlet through hole on the dish type frustum of a cone of right water intaking valve (36) and right cylinder cap (34) closely sealed closed,
Comprise the left cylinder cap (27) of taper water outlet through hole and taper inlet through hole and right cylinder cap (34), left cylinder cap water outlet valve seat (27a) and right cylinder cap water outlet valve seat (34a), left cylinder cap water outlet valve pocket (27c) and right cylinder cap water outlet valve pocket, left outlet valve (25) and right outlet valve (33), left outlet valve spring (26) and right outlet valve spring (32), left outlet valve spring bearer plate (27d) and right outlet valve spring bearer plate; Left cylinder cap inlet valve seat (27e) and right cylinder cap inlet valve seat (34e), left cylinder cap water inlet valve pocket (27h) and right cylinder cap are intake valve pocket, left water intaking valve (42) and right water intaking valve (36), left water intaking valve spring (41) and right water intaking valve spring (35), left water intaking valve spring bearer plate (27g) and right water intaking valve spring bearer plate are identical all one by one and symmetrical one by one centered by the cross section of cylinder sleeve (31) center vertical;
The lange fitting head at U-shaped water inlet pipe (38) two ends, left and right of a threeway is connected through with the left admitting pipe joint (27f) on left cylinder cap inlet valve seat (27e) and the right admitting pipe joint (34f) on right cylinder cap inlet valve seat (34e) respectively, again with the lange fitting head of described water header (7) is connected through after connecting after the water-in flange coil pipe joint (38a) in the middle of it connects a water inlet elbow (48) horizontal through the water-in flange coil pipe joint (38a) that the antetheca of cabinet (44) is identical with another; The lange fitting head at U-shaped outlet pipe (30) two ends, left and right of another threeway is connected through with the right titting water outlet (34b) on the left titting water outlet (27b) on left cylinder cap water outlet valve seat (27a) and right cylinder cap water outlet valve seat (34a) respectively, again with the lange fitting head of described gutter (1) is connected through after connecting after the water-output flange coil pipe joint (30a) in the middle of it connects a water exit elbow (47) horizontal through the water-output flange coil pipe joint (30a) that the rear wall of cabinet (44) is identical with another.
2. drainage by well points device according to claim 1, is characterized in that: left cylinder cap (27) central through hole is embedded with the piston rod water seal (39) that has central through hole, and piston rod (28) can be movable through piston rod water seal (39) central through hole, around left cylinder cap water outlet valve pocket (27c) inner chamber side bottom center through hole, around right cylinder cap water outlet valve pocket inner chamber side bottom center through hole, around left cylinder cap water inlet valve pocket (27h) inner chamber side bottom center through hole, a circular pit is all had around right cylinder cap water inlet valve pocket inner chamber side bottom center through hole, the valve rod water seal (46) that one has central through hole is all embedded with in each circular pit, left water intaking valve (42), right water intaking valve (36), left outlet valve (25), the bar portion of right outlet valve (33) can be movable through respective valve rod water seal (46) central through hole.
3. drainage by well points device according to claim 1 and 2, it is characterized in that: described water header (7) is also connected with a water tank (3), water tank (3) bottom is connected with two downward radiator drains (3b) and is connected with water header (7) respectively, each radiator drain (3b) respectively there is a Cistern valve (3a) can be communicated with or cut off radiator drain (3b), water header (7) between two radiator drains (3b) is also connected with a graduating valve (5) and can be communicated with or cuts off water header (7), a tank lid (4) is arranged at water tank (3) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520476069.1U CN204780961U (en) | 2015-06-30 | 2015-06-30 | Well point drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520476069.1U CN204780961U (en) | 2015-06-30 | 2015-06-30 | Well point drainage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204780961U true CN204780961U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520476069.1U Withdrawn - After Issue CN204780961U (en) | 2015-06-30 | 2015-06-30 | Well point drainage device |
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| Country | Link |
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| CN (1) | CN204780961U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912092A (en) * | 2015-06-30 | 2015-09-16 | 钟平华 | Well point unwatering device |
| CN110131786A (en) * | 2019-05-23 | 2019-08-16 | 福建工程学院 | A kind of fan coil with water seal |
-
2015
- 2015-06-30 CN CN201520476069.1U patent/CN204780961U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912092A (en) * | 2015-06-30 | 2015-09-16 | 钟平华 | Well point unwatering device |
| CN110131786A (en) * | 2019-05-23 | 2019-08-16 | 福建工程学院 | A kind of fan coil with water seal |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151118 Effective date of abandoning: 20170426 |