CN2103674U

CN2103674U - Special pump for pumping sand

Info

Publication number: CN2103674U
Application number: CN 91219968
Authority: CN
Inventors: 谢文化
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-08-07
Filing date: 1991-08-07
Publication date: 1992-05-06

Abstract

The utility model relates to a special pump for pumping sand, mainly comprising casings of upper and lower layers, upper and lower inner liners and an impeller. The half-and-half parts of the upper and lower inner liners are sheathed between the casings of upper and lower layers which are arranged in a half-and-half way. The impeller, two side walls of which are respectively provided with an arc protruding bar in a projecting way, is arranged between the casings of upper and lower layers, and in addition, the inner parts of the casings of upper and lower layers are provided with upper and lower inner liners. At last, the casings of upper and lower layers are positioned by a screw thread connection element. By groove parts on the two sides of the impeller, high pressure water poured from surroundings are used for spraying and brushing the upper part of the groove parts, and a centrifugal force for throwing and swinging which is generated under the high-speed driving of the impeller is cooperated to prevent silt from taking a chance to enter a gap between the inner liner and the impeller. The inner liners which are used and abrasive can be replaced.

Description

Special pump for pumping sand

The utility model relates to a kind of pump of taking out the sand special use, especially a kind of pump at the cleaning work of extracting port bank silt.

Generally the magna pump structure as the silt cleaning tool that extracts the bank, port roughly adopts the moulding of high grade cast iron integrally casting, it is for inner sheathed with impeller (2) at pump outer casing (1) (asking for an interview Fig. 6), and cover (3) (4) in pump outer casing (1) outlet port, both sides (11) installing and cooperatively interact and assemble, as extraction port bank silt the time, then connect axle center of motor and come drives impeller (2) rotation (this is not shown in the figures) at pump one end that combines, make the impeller in this pump under axle center of motor drives, produce quick rotation, and impeller is rotated the powerful suction that is caused and the outlet port discharge on the past pump top of the silt that extracts, reach the purpose of the silt that extracts riverbank or bank, port; The pump structure of integrally casting moulding is behind the extraction silt of a period of time yet this kind adopts high grade cast iron, then the user can be that silt impacts the erosion damage of rolling and being caused for the pump case madial wall all, feel puzzlement and must get the large-scale sand pump that more renews, the high grade cast iron moulding price of therefore planting large-scale sand pump is not low, and the impeller that is installed in pump case inside is then because two outer side walls are the plane, this impeller two side and pump case madial wall are the state of reclining when assembling, when the primer pump power motor and drives impeller when rotation, the silt that powerful suction is drawn in the pump then often impacts because of brute force and is mixed between impeller two side and the pump madial wall, at this moment, since impeller for rotary state quickly cause sand grains can't be under the clamping situation by the gap in discharge outward, cause mutual wearing and tearing between pump madial wall and impeller two outer side walls and make, the gap of pump madial wall and impeller two outer side walls just day by day increases, and causes pump to lose it through the wearing and tearing of length and extracts the silt function.

Therefore, the purpose of this utility model is to provide the impeller in a kind of sand pump that overcomes prior art sand grains to be clamped between pump madial wall and impeller two outer side walls and the defective that can't discharge, and a kind of sand pump of easy dismounting and change quick-wear part is provided, the life-span of sand pump is prolonged.

According to a kind of pump of taking out the sand special use of the present utility model, it is characterized in that mainly including;

One upper and lower layer of housing is provided with groove edge portion at the both sides intersection of upper and lower layer housing, and is provided with flange in upper and lower layer hull outside intersection, is beneficial to two housings and fixes it in correspondence assembling back with screw thread connecting component;

One upper and lower layer of liner, it is the set unworn liner of proportioning pump upper and lower casing interior shape, and is provided with overhanging flange at the both sides intersection of upper and lower layer liner, between the groove edge portion that is folded in upper and lower layer housing intersection;

One impeller is installed between the upper and lower layer liner with the solid of rotation as the extraction sand grains.

Relevant for feature of the present utility model and practice, be described as follows with a possible embodiments conjunction with figs. now:

Fig. 1: three-dimensional exploded view of the present utility model

Fig. 2: combination front sectional elevation of the present utility model

Fig. 3: combination top plan view of the present utility model

Fig. 4: another embodiment's three-dimensional exploded view of the present utility model

Fig. 5: the schematic top plan view before another embodiment of the present utility model assembles

Fig. 6: the three-dimensional exploded view of conventional sand pump

At first see also Fig. 1, the utility model is mainly by one upper and lower layer of housing (1), (2), one upper and lower layer of liner (3), (4), and impeller members such as (5) is formed;

One upper and lower layer of housing (1), (2), it is divided into upper and lower two-layer body with pump outer casing correspondence, and be arranged with groove edge portion (11), (21) at the both sides intersection of upper and lower layer housing (1), (2), and, be beneficial to two housings (1), (2) and fix it respectively with screw thread connecting component etc. in correspondence assembling back in upper and lower layer housing (1), prominent the establishing of (2) outside intersection with flange (12), (22).

One upper and lower layer of liner (3), (4), the unworn liner that it is set up for the upper and lower layer of proportioning pump housing (1), (2) interior shape, and do not have outwardly directed flange (31), (41) at the both sides intersection of upper and lower layer liner (3), (4), between the groove edge portion (11) that is folded in upper and lower layer housing (1), (2) intersection, (21).

One impeller (5), be installed between upper and lower layer liner (3), (4) with solid of rotation as the extraction silt, and be provided with the flange of stretching from the curved outward expansion of center bore (51) (52), and be provided with inside slightly inclined notches formed portion (53) in two outer side wall center bore (51) orientation of impeller (5) at two outer side walls of impeller (5).

Install when implementing and (see also Fig. 2, Fig. 3), then the assembler can with on, lower floor's liner (3), (4) each is inserted in regular turn in last, lower floor's housing (1), (2) between madial wall, be linked on lower floor's housing (2) and the lower floor's liner (4) with impeller (5) correspondence then, again upper strata housing (1) and upper strata liner (3) are arranged on lower floor's housing (2) and liner (4) intersection symmetrically subsequently, at last then the mat bolt in regular turn through last, lower floor's housing (1), (2) flange (12), (22) preformed hole place, with nut with a plurality of through last, lower floor's housing (1), (2) bolt of lower end is locked; When the operator wants with this knockdown large-scale sand pump as the silt draw-out device of riverbank or port bank, then power motor one end axes sleeve can be located at and have impeller (5) one end caliber places in the pump, make impeller (5) in this pump case (1), (2) under axle center of motor drives, but the powerful suction that mat impeller (5) fast rotational is caused and the silt that extracts is discharged toward the outlet port (13) on pump case (1), (2) top; And can be when the quick rotation of companion impeller (5) by the arc raised line (52) that is provided with on impeller (5) two outer side walls; produce one and throw the centrifugal force that gets rid of outward; preventing that silt from taking advantage of a loophole enters liner (3); (4) with the gap location (i.e. the mover layer that enters as prior protection silt) of impeller (5); if having partly, silt is being mixed in liner (3) through under the interface of mover layer; (4) with impeller (5) gap in; can be by pump case (1); (2) guide hole of Yu Liuing (14); (23); (32); (42) locate with connect from another extraneous road high pressure water perfusion enter and spary on the groove part (53) of impeller (5) two outer side walls; the centrifugal force of borrowing the arc raised line (52) of impeller (5) to be produced; take advantage of a situation and form a guard ring through hydraulic pressure; force and be mixed in pump liner (3); (4) and the sand grains between impeller (5) two outer side walls promptly discharge outward, be not mixed in pump liner (3) and have; (4) and the alluvial sand grains between impeller (5) two outer side walls and the wearing and tearing that cause take place.

In addition, pump case of the present utility model and liner also can be forward and backward side body (1), (2) and front and back sidelining (3), (4) by double subdivision in front and back, inner sheathed impeller (5) is then consistent with aforesaid impeller (5) structure, no longer describes in detail at this; When fitting operation, (see also Fig. 5), side body (1), (2) madial wall before and after earlier front and back sidelining (3), (4) respectively being inserted in regular turn, then impeller (5) correspondence is installed in the center bore place that forward and backward side body (1), (2) and forward and backward sidelining (3), (4) are reserved, then each is applied between the outboard flanges (11), (21) of forward and backward side body (1), (2) in regular turn with a plurality of bolts at last, cooperates with nut simultaneously and runs through the bolt of forward and backward side body (1), (2) and lock it; The mode that pump structure after it is installed extracts port bank silt is identical with aforementioned manner, is not repeated in this description at this.

The pump that is sheathed with tough and wear-resistant liner in forming by the utility model is being provided as the time spent of extracting silt, operator after using a period of time is if find to have liner (3), (4) impact to be rolled the contact abrasion that caused to can not use condition the time by silt, then but operator's mat instrument will be gone up, lower floor's housing (1), (2) the screw thread connecting component pine of place, boundary locking is unloaded and takes off, to go up, lower shell body (1), (2) each self-separation, take off then produced wearing course on, lower floor's liner (3), (4), afterwards last, lower floor's housing (1), (2) inner change one complete on, lower floor's liner (3), (4), with housing and the mutual assembly of liner that half-and-half forms, and last, lower floor's housing (1), (2) outboard flanges (11), (21) upward give fastening locking with screw thread connecting component.

The sand pump that the utility model is improved has following advantage in practical application:

(1) can be flexibly use length and in as silt loss situation, the liner that pump case inside is sheathed is changed at pump, but the service efficiency of pump can improve greatly.

(2) impeller of installing in pump is prominent to be established with the arc raised line, can produce the protection ring that outward throwing throws away mental and physical efforts with centrifugal force and the water under high pressure that is injected on the impeller concave part, to guarantee the suitable assembling orientation between pump madial wall and impeller.

(3) because the easy wear parts of pump integrated member is replaceable, and the centrifugal action of the set arc raised line generation of impeller two lateral walls, pump of the present utility model is increased service life, and its integrated member also can be more convenient on making, and its manufacturing cost is decrease also.

Claims

1, a kind of pump of taking out the sand special use is characterized in that mainly including:

One upper and lower layer of liner, it is the set unworn liner of proportioning pump upper and lower casing interior shape, and is provided with overhanging flange at the both sides intersection of upper and lower layer liner, is beneficial to be folded between the groove edge portion of upper and lower layer housing intersection;

One impeller is installed between the upper and lower layer liner, with the solid of rotation as the extraction sand grains.

2, the pump of taking out the sand special use as claimed in claim 1, two outer walls that it is characterized in that this impeller are provided with the raised line of stretching from the curved outward expansion of center bore, and be provided with each inwardly inclined notches formed portion slightly in two outer side wall center hole orientation of impeller, the high-pressure water spraying that can inject by the external world is on it, be mixed under the centrifugal action that the sand grains between pump liner and impeller two outer walls can be produced at the arc raised line on the impeller, take advantage of a situation and sand grains is discharged outward, to reduce the component wear between pump liner and impeller through hydraulic pressure and centrifugal force.

3, the pump of taking out the sand special use as claimed in claim 1, it is characterized in that this pump outer casing and inner sheathed liner can double subdivision be forward and backward both sides housing and liner.