CN208702711U

CN208702711U - Excavating pump

Info

Publication number: CN208702711U
Application number: CN201821301367.7U
Authority: CN
Inventors: 梁明; 王慧琳; 王晓丹
Original assignee: Shijiazhuang Eyong Pump Industry Co Ltd
Current assignee: Shijiazhuang Eyong Pump Industry Co Ltd
Priority date: 2018-08-13
Filing date: 2018-08-13
Publication date: 2019-04-05
Anticipated expiration: 2028-08-13

Abstract

The utility model embodiment discloses a kind of excavating pump, comprising: pump case, the inside of pump case have pump chamber, offers inlet and outlet on pump case；Outlet pipe is seal-installed on outlet；Inlet pipe is seal-installed on import；Impeller is rotatably installed on pump chamber；Vibrating screen collects material shell along direction arrangement from front to back, and the inside for collecting material shell has the chamber that gathers materials, and collects and offers feed inlet and blanking port on the side wall of material shell, the chamber that gathers materials is connected to feed inlet, blanking port.The utility model embodiment has the beneficial effect that under the action of the impeller being located in pump chamber, mud is isolated together with isometric big, quality weight the foreign matter of the sandstone being mixed in mud by vibrating screen, and collection material shell is delivered to along vibrating screen and is gathered materials in chamber, finally dropped out from blanking port, mud is conveyed along inlet pipe → pump chamber → outlet pipe direction, to which before entering pump chamber that volume is big, quality weight foreign matter is separated from mud, individually conveying, prevent the high-speed motion in pump chamber from damaging pump case, impeller.

Description

Excavating pump

Technical field

The utility model embodiment is related to medium pump technical field, and in particular to a kind of excavating pump.

Background technique

Excavating pump is mainly used for the dredging work of river, sewer pipe etc..Mud in river, sewer pipe is dug out, To keep water flow unimpeded.Often there is sandstone isometric big, quality weight foreign matter when work, in mud, when foreign matter is with silt Mud, water can impact the impeller in pump chamber, pump chamber after entering pump chamber, influence the normal operation of excavating pump.

Utility model embodiment content

The utility model embodiment is designed to provide a kind of excavating pump, to solve the foreign matter in existing mud to pump Chamber, impeller impact and caused by influence excavating pump normal operation the problem of.

To achieve the above object, the technical solution of the utility model embodiment is

A kind of excavating pump, comprising:

Pump case, the inside of the pump case have pump chamber, offer inlet and outlet on the pump case, the pump chamber with it is described Import, the outlet are connected to；

Outlet pipe is seal-installed on the outlet；

Inlet pipe is seal-installed on the import；

Impeller is rotatably installed on the pump chamber；

Vibrating screen, along direction arrangement from front to back, the discharge end of the vibrating screen, which is pierced by, is arranged in the upper of the inlet pipe The sandstone at end exports；

Collect material shell, the valve jacket that gathers materials is set to the outside of the inlet pipe, and the inside of the collection material shell has the chamber that gathers materials, described Collect and offer feed inlet and blanking port on the side wall of material shell, the chamber that gathers materials is connected to the feed inlet, the blanking port, institute It states feed inlet to arrange in a manner of it can receive the sandstone tumbled from the discharge end of the vibrating screen, the blanking port is arranged in institute State the lower part of collection material shell.

Optionally, the import is set to the middle part of the end face of the pump case.

Optionally, described to export the distal end for being set to the pump case.

Optionally, the height of the bottom wall on the top of the chamber that gathers materials is gradually reduced along the direction far from the feed inlet.

Optionally, the height of the bottom wall of the lower part of the chamber that gathers materials is gradually reduced along the direction close to the blanking port.

Optionally, one embodiment of excavating pump further includes sandstone conveying device, and the sandstone conveying device is set to described fall The lower section of material mouth, to receive the sandstone rolled out from the blanking port and be delivered to the position far from the excavating pump.

Optionally, one embodiment of excavating pump further includes closeouts, the top edge of the upper end of the inlet pipe and the feed inlet Between there are joint gap, the closeouts cover the joint gap.

Optionally, one embodiment of excavating pump further includes aggregate bin, and the aggregate bin is the funnel-form of opening upwards, the collection Hopper is fixed between the blanking port and the sandstone conveying device.

Optionally, the central axes of the aggregate bin are overlapped with the axis of the blanking port.

The utility model embodiment has the advantages that

Under the action of the impeller being located in pump chamber, mud is isometric big, quality weight together with the sandstone being mixed in mud Foreign matter is isolated by vibrating screen, and is delivered to collection material shell along vibrating screen and is gathered materials in chamber, is finally dropped out from blanking port, mud along into Pipe → pump chamber → outlet pipe direction conveying, so that before entering pump chamber that volume is big, quality weight foreign matter separates from mud, is single Solely conveying, prevents the high-speed motion in pump chamber from damaging pump case, impeller, to ensure that longer service life, save Maintenance, replacement cost.

Detailed description of the invention

Fig. 1 is the schematic cross-sectional view of one embodiment of excavating pump；

Fig. 2 is an embodiment cross-sectional view of the Fig. 1 along A-A；

Fig. 3 is the partial enlarged view of region Z in Fig. 2；

Fig. 4 is the partial enlarged view of region Y in Fig. 2.

In figure:

100, pump case；110, pump chamber；120, import；130, it exports；140, foreign matter；

200, outlet pipe；

300, inlet pipe；

400, impeller；410, rotation axis；420, power intake；

500, vibrating screen；510, discharge end；

600, collect material shell；610, feed inlet；620, blanking port；630, gather materials chamber；

700, aggregate bin；

800, closeouts；

900, sandstone conveying device.

Specific embodiment

Embodiment that the following examples illustrate the utility model, but it is not limited to the model of the utility model embodiment It encloses.

The utility model embodiment discloses a kind of excavating pump, referring to Fig.1-Fig. 4 comprising:

Pump case 100, the inside of pump case 100 have pump chamber 110, import 120 and outlet 130, pump chamber are offered on pump case 100 110 are connected to import 120, outlet 130；

Outlet pipe 200 is seal-installed on outlet 130；

Inlet pipe 300 is seal-installed on import 120, to provide mud along 300 → pump chamber of inlet pipe, 110 → outlet pipe 200 The channel of direction flowing；

After impeller 400 is rotatably installed on pump chamber 110, provides power to the flowing of mud, and impeller 400 is installed Continue and the power that mud is flowed along import 120 → outlet 130 direction is provided, in addition a kind of mounting means of impeller 400 are as follows: impeller 400 are fixed on a rotation axis 410, and rotation axis 410 is rotatably installed on pump case 100 by bearing, in addition, driving for convenience Dynamic, pump case 100 is extended in one end that rotation axis 410 is fitted without impeller 400, and end installation just like gear, sprocket wheel, The power intakes such as belt pulley 420 are sequentially connected by the power units such as motor and the power intake 420, drive impeller 400 Rotation；

Vibrating screen 500, along direction arrangement from front to back, herein, from inlet pipe 300 away from one end of import 120 to import The direction of 120 one end is " preceding ", and opposite direction is " rear ", and the discharge end 510 of vibrating screen 500, which is pierced by, is arranged in inlet pipe 300 The sandstone outlet 130 of upper end, so that will be isolated in isometric big, quality weight the foreign matter 140 of the sandstone on vibrating screen 500 enters pump It separates and is delivered to outside inlet pipe 300 with mud before chamber 110, above-mentioned foreign matter 140 is avoided to enter high-speed motion after pump chamber 110 with mud Pump case 100, impeller 400 are damaged, to ensure that longer service life, save maintenance, replacement cost；

Collecting material shell 600, collection material shell 600 is sheathed on the outside of inlet pipe 300, and the inside of collection material shell 600 has the chamber 630 that gathers materials, Collect and offer feed inlet 610 and blanking port 620 on the side wall of material shell 600, gather materials chamber 630 and feed inlet 610, blanking port 620 are equal It is connected to, feed inlet 610 is arranged in a manner of the sandstone that the discharge end 510 that can be received from vibrating screen 500 tumbles, blanking port 620 Be arranged in collection material shell 600 lower part, the foreign matters 140 such as sandstone tumbled from the discharge end 510 of vibrating screen 500 through feed inlet 610 into Enter to gather materials in chamber 630, finally be dropped out through blanking port 620, to realize the transport path of the foreign matters such as sandstone 140.

The foreign matters such as the sandstone being mixed in mud 140 are isolated using vibrating screen 500, with the conveying of vibrating screen 500 Above-mentioned foreign matter 140 can be vibrated, so that the mud for being attached to 140 surface of foreign matter is fallen after rise into inlet pipe 300, prevent adherence of mud fluid from existing The adhesion between foreign matter 140, between foreign matter 140 and the chamber 630 that gathers materials is caused on 140 surface of foreign matter, conducive to foreign matter 140 from the chamber that gathers materials 630 inner wall removing.

In addition, import 120 is set to the middle part of the end face of pump case 100.The sectional area of the end face of pump case 100 is greater than side Sectional area, therefore, import 120 is set to the middle part of the section of pump case 100, to guarantee that mud can flow into pump chamber with biggish flow In 110.

Inventors have found that centrifugal principle is utilized in excavating pump, by centrifugal force formula it is found that in the rotation apart from impeller 400 The centrifugal force of centre distance maximum is maximum, therefore the distal end (side) that pump case 100 is arranged in outlet 130 can guarantee mud tool Standby biggish centrifugal force, to have biggish flowing velocity, consequently facilitating the efficient conveying of mud.

Inventors have found that the foreign matters such as sandstone conveyed by vibrating screen 500 140 are fallen into after gathering materials 630 top of chamber, can be detained, It is deposited near feed inlet 610, therefore, the height of the bottom wall on the top for the chamber 630 that gathers materials is arranged to along far from charging by inventor The structure type that mouthfuls 610 direction is gradually reduced reduces along linear referring to Fig. 3 and (forms slope), it can also be along parabolic certainly Other curves such as line reduce, so that foreign matter 140 can scroll down through under Gravitative Loads along the direction far from feed inlet 610, prevent Only delay, accumulation of the foreign matter 140 near feed inlet 610.

Inventor also found, foreign matter 140 has rolling to have some setbacks situation when being rolled near blanking port 620, therefore, inventor Set the height of the bottom wall for 630 lower part of chamber that gathers materials to the structure type being gradually reduced along the direction close to blanking port 620, reference Fig. 4, reduce along linear and (form slope), it can also reduce along other curves such as parabola certainly, so that foreign matter 140 is certainly Can roll to blanking port 620 under recast, be rolled out through blanking port 620, prevent delay of the foreign matter 140 near blanking port 620 and Accumulation.

In addition, inventors have found that with dredging work progress, the foreign matter 140 of the lower section of blanking port 620 is more and more, makes At occupied space, the case where excavating pump normal operation is even influenced, therefore, inventor is solved by setting sandstone conveying device 900 The problem of certainly foreign matter 140 is deposited in 620 lower section of blanking port, specifically, sandstone conveying device 900 are arranged under blanking port 620 Sandstone to receive the sandstone rolled out from blanking port 620, and is delivered to the position far from excavating pump by side.Sandstone conveying device 900 can be used the conveying devices such as vibrating screen 500, conveyor belt.

From the foregoing, it will be observed that the size of feed inlet 610, sandstone outlet 130 removes the discharge end 510 that should meet vibrating screen 500 By should also reserve an additional clearance outside, passed through with providing the sandstone on discharge end 510, thus will cause the upper end of feed pipe with Generate joint gap between the top edge of feed inlet 610, sandstone may be from when conveying on the discharge end 510 of vibrating screen 500 It is dropped out in the joint gap, causes the confusion at dredging scene, therefore closeouts 800 are set, the setting of closeouts 800 is can cover The joint gap is covered, Fig. 3 is specifically shown in.

It, can not be with vertical side when foreign matter 140 is dropped out from blanking port 620 since foreign matter 140 itself is in irregular shape To whereabouts, will cause part foreign matter 140 can not be received by sandstone conveying device 900, equally will cause the mixed of dredging scene Disorderly, therefore, inventor solves the technical problem by setting aggregate bin 700, and specifically, aggregate bin 700 is the leakage of opening upwards Bucket-shaped, aggregate bin 700 is fixed between blanking port 620 and sandstone conveying device 900.

In addition, setting revolving structure for aggregate bin 700, and collect for the collecting action for being further ensured that aggregate bin 700 The axis of hopper 700 is overlapped with the axis of blanking port 620, even if there is foreign matter 140 to deviate the axis of aggregate bin 700, can also be protected The quantity for demonstrate,proving the foreign matter 140 deviateed to all directions is equal, is alleviated when foreign matter 140 falls to the maximum extent to aggregate bin 700 Impact, ensure that the durability of aggregate bin 700, to ensure that the service life of the present embodiment.

Although above having made to retouch in detail to the utility model embodiment with generality explanation and specific embodiment It states, but on the basis of the utility model embodiment, it can be made some modifications or improvements, this is to those skilled in the art It is obvious.Therefore, these modifications or improvements on the basis of without departing from the utility model embodiment spirit, Belong to the claimed range of the utility model embodiment.

Claims

1. a kind of excavating pump characterized by comprising

Pump case, the inside of the pump case have pump chamber, offer inlet and outlet on the pump case, the pump chamber and it is described into Mouth, the outlet are connected to；

Outlet pipe is seal-installed on the outlet；

Inlet pipe is seal-installed on the import；

Impeller is rotatably installed on the pump chamber；

Vibrating screen, along direction arrangement from front to back, the discharge end of the vibrating screen is pierced by the upper end that the inlet pipe is arranged in Sandstone outlet；

Collect material shell, the valve jacket that gathers materials is set to the outside of the inlet pipe, and the inside of the collection material shell has the chamber that gathers materials, described to gather materials Feed inlet and blanking port are offered on the side wall of shell, the chamber that gathers materials is connected to the feed inlet, the blanking port, it is described into Material mouth arranges that the blanking port is arranged in the collection in a manner of it can receive the sandstone tumbled from the discharge end of the vibrating screen The lower part of material shell.

2. excavating pump according to claim 1, which is characterized in that the import is set in the end face of the pump case Portion.

3. excavating pump according to claim 2, which is characterized in that described to export the distal end for being set to the pump case.

4. excavating pump according to claim 3, which is characterized in that the height of the bottom wall on the top of the chamber that gathers materials is along separate The direction of the feed inlet is gradually reduced.

5. excavating pump according to claim 4, which is characterized in that the height of the bottom wall of the lower part of the chamber that gathers materials is along close The direction of the blanking port is gradually reduced.

6. excavating pump according to claim 5, which is characterized in that it further include sandstone conveying device, the sandstone conveying dress The lower section for being placed in the blanking port is installed, to receive the sandstone rolled out from the blanking port and be delivered to far from the excavating pump Position.

7. excavating pump according to claim 6, which is characterized in that further include closeouts, the upper end of the inlet pipe with it is described There are joint gap between the top edge of feed inlet, the closeouts cover the joint gap.

8. excavating pump according to claim 7, which is characterized in that further include aggregate bin, the aggregate bin is opening upwards Funnel-form, the aggregate bin is fixed between the blanking port and the sandstone conveying device.

9. excavating pump according to claim 8, which is characterized in that the axis of the central axes of the aggregate bin and the blanking port Line is overlapped.