CN210738911U

CN210738911U - Impeller of slurry pump

Info

Publication number: CN210738911U
Application number: CN201921652460.7U
Authority: CN
Inventors: 冉军国; 李朴蓉
Original assignee: Kevas Fluid Equipment Kunshan Co Ltd
Current assignee: Kevas Fluid Equipment Kunshan Co Ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-06-12
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses an impeller of slush pump, including the rim plate, the welding of the intermediate position department of rim plate front end has the drum, and evenly weld on the outer wall of drum round has five fixed slots, five first screw hole has all been seted up at the both ends of fixed slot, five all insert in the fixed slot and be equipped with the blade, and the blade serves in the fixed slot and set up with first screw hole complex second screw hole, the draw-in groove has all been seted up with the position that the fixed slot corresponds on the rim plate, all the gomphosis has the fixture block in the draw-in groove, and the fixture block all welds in the inboard bottom of blade, five the slide rail has all been seted up at the upper and lower both ends on the right side of blade, and all gomphosis have the slider in the slide rail, the slider welds at the left upper and lower. The impeller of the mud pump realizes that when larger impurities pass through, the blades can shred the larger impurities, so that the impurities pass through smoothly, and therefore, the pump cannot be blocked and stop and can continuously and normally work.

Description

Impeller of slurry pump

Technical Field

The utility model relates to a slush pump technical field specifically is an impeller of slush pump.

Background

The mud pump is a high-speed pump for extracting underground mud or conveying concrete to a designated position, and is characterized in that a transmission medium is complex, the material is hard, the rotating speed of an impeller is high, the impeller is seriously damaged due to the working characteristics of the impeller and needs to be frequently replaced, the traditional integral impeller and the single impeller are integrated, the integral impeller is formed by integrally casting blades and a wheel disc, the method is simple in casting, the whole impeller is replaced when one blade is damaged, the later maintenance cost is too high, the single impeller is designed, each blade is independently connected with the wheel disc, the damaged blade is detached and replaced when one blade is damaged, the whole impeller does not need to be replaced, the later replacement cost is low, and the traditional single impeller also has places needing to be improved in use.

Traditional free style impeller is simply with blade fixed mounting on the rim plate, carry on spacingly through fixing device to the blade, when high-speed operation, the powerful centrifugal force of blade makes fixing device insufficient to the spacing power of blade, make the blade take place the shake, influence the overall stability of pump impeller, the blade that has traditional impeller again all pours as an organic whole, make the blade comparatively wide and thick, great impurity blocks the impeller easily when passing through in muddy earth or mud, make the pump machine card stop, influence pump machine work, so need the impeller of a mud pump to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an impeller of slush pump makes the blade take place to shake in order to solve the impeller that proposes in the above-mentioned background art and moves the powerful centrifugal force of intensity and block the impeller when impurity in influence pump impeller overall stability and the transportation medium is too big and make the pump machine card stop, influences the problem of pump machine work.

In order to achieve the above object, the utility model provides a following technical scheme: an impeller of a slurry pump comprises a wheel disc, wherein a cylinder is welded at the middle position of the front end of the wheel disc, five fixing grooves are uniformly welded on the outer wall of one circle of the cylinder, first screw holes are formed at two ends of the five fixing grooves, blades are inserted into the five fixing grooves, and one end of the blade in the fixed groove is provided with a second screw hole matched with the first screw hole, the positions of the wheel disc corresponding to the fixed groove are provided with clamping grooves, clamping blocks are embedded in the clamping grooves, the clamping blocks are all welded at the bottom end of the inner side of the blade, the upper end and the lower end of the right side of the blade are both provided with a slide rail, sliding blocks are embedded in the sliding rails, the sliding blocks are welded at the upper end and the lower end of the left side of the blade, a through hole is arranged at the middle position of the blade, the inner side of the blade is provided with a circular groove corresponding to the through hole, and the blade is fixedly connected with the blade through a rivet.

Preferably, the shape of the inner side of the blade is consistent with the shape of the inner groove wall of the fixing groove, and the inner side of the blade and the inner groove wall of the fixing groove are both arc-shaped.

Preferably, a rubber pad is arranged in the clamping groove, and the rubber pad is glued on the inner wall of the clamping groove.

Preferably, the shapes of the clamping groove and the clamping block are both trapezoidal.

Preferably, the right end of the blade is set to be circular arc.

Preferably, the bottom of rivet is provided with arc lug, and circular slot inside is provided with the arc recess rather than complex.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the impeller of the slurry pump is provided with a fixing groove, a first screw hole, a blade, a second screw hole, a clamping groove, a rubber pad and a clamping block, the clamping block is inserted into the clamping groove in the wheel disc, the rubber pad in the clamping groove wraps the clamping block, one end, provided with the second screw hole, of the blade is inserted into the fixing groove, when the first screw hole is matched with the second screw hole, the fixing groove and the blade are fixedly connected through an external screw, the blade cannot be thrown away when the blade rotates due to the tension of the fixing groove on the blade, the impeller cannot shake due to strong centrifugal force when the impeller rotates at high speed due to the matching of the clamping groove, the rubber pad and the clamping block, and the;

2. this impeller of slush pump is provided with the blade, the through-hole, circular slot and rivet, slide in the slide rail that both ends were seted up about in the blade one side through the slider with both ends about the blade simultaneously, upwards slide the blade, insert the blade in with the blade top, when the circular slot on blade top coincides with the through-hole position on the blade, inject the rivet into through-hole and circular slot, the arc lug of rivet bottom is blocked to the inside arc recess of circular slot, with blade and blade fixed connection, it has been through to have realized having great impurity, the blade can be with great impurity processing of chipping, make impurity pass through smoothly, so the pump machine can not take place the card and stop, last normal work.

Drawings

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

FIG. 2 is a schematic sectional view of the front view of the structure of the present invention;

fig. 3 is a schematic bottom view of the blade, the second screw hole, the fixture block and the blade according to the present invention;

FIG. 4 is a schematic top view of a partial structure of the slider, the blade and the through hole of the present invention;

fig. 5 is a schematic view of the local structure of the wheel disc, the blade and the blade of the present invention.

In the figure: 1. a wheel disc; 2. a cylinder; 3. fixing grooves; 4. a first screw hole; 5. a blade; 6. a second screw hole; 7. a card slot; 8. a rubber pad; 9. a clamping block; 10. a slide rail; 11. a slider; 12. a blade; 13. a through hole; 14. a circular groove; 15. and (4) riveting.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: an impeller of a slurry pump comprises a wheel disc 1, wherein a cylinder 2 is welded at the middle position of the front end of the wheel disc 1, five fixing grooves 3 are evenly welded on the outer wall of one circle of the cylinder 2, first screw holes 4 are formed at two ends of the five fixing grooves 3, blades 5 are inserted into the five fixing grooves 3, the inner side shapes of the blades 5 are consistent with those of the inner groove walls of the fixing grooves 3 and are all arc-shaped, the blades 5 are well attached to the inner walls of the fixing grooves 3, the fixing grooves 3 and the blades 5 are tightly connected through the good attachment, second screw holes 6 matched with the first screw holes 4 are formed in one ends of the blades 5 in the fixing grooves 3, clamping grooves 7 are formed in the positions, corresponding to the fixing grooves 3, of the wheel disc 1, clamping blocks 9 are embedded in the clamping grooves 7, the clamping grooves 7 and the clamping blocks 9 are trapezoidal in shape, and the clamping grooves 7 and the clamping blocks 9 are in special shapes of small, make fixture block 9 can not take place to break away from when moving in draw-in groove 7, fixture block 9 is fixed to in draw-in groove 7, the impeller high-speed strong centrifugal force that rotates the blade 5 production is injectd by draw-in groove 7, so whole impeller is more stable when rotating, be provided with rubber pad 8 in draw-in groove 7, and rubber pad 8 is glued on draw-in groove 7 inner wall, its effect makes to be connected more closely between draw-in groove 7 and the fixture block 9 for setting up of rubber pad 8, the leakproofness between draw-in groove 7 and the fixture block 9 has also been guaranteed simultaneously, unable infiltration liquid makes rusty in the draw-in groove 7, shorten impeller life, and fixture block 9 all welds the bottom in blade 5 inboardly, above-mentioned embodiment has realized that the impeller can not take place the shake because of.

The upper end and the lower end of the right side of the five blades 5 are both provided with slide rails 10, the slide rails 10 are internally embedded with slide blocks 11, the slide blocks 11 are welded at the upper end and the lower end of the left side of the blade 12, the right end of the blade 12 is arc-shaped and is used for being more durable than the traditional cutting edge, the impact strength is higher, the traditional cutting edge is very sharp and is very thin, but impurities in slurry are mostly hard objects, so the cutting edge is easily damaged, the position is arc-shaped, the impact of the impurities on the cutting edge is effectively reduced, the middle positions of the five blades 5 are provided with through holes 13, the inner side of the blade 12 is provided with circular grooves 14 corresponding to the through holes 13, the bottom ends of the rivets 15 fixedly connected between the blades 5 and the blade 12 through the rivets 15 are provided with arc-shaped convex blocks, the circular grooves 14 are internally provided with arc-shaped grooves matched with the arc-shaped concave grooves, the separation can not occur, and the embodiment realizes that when larger impurities pass through, the blade 12 can cut the larger impurities into pieces, so that the impurities can pass through smoothly, the pump can not be blocked and stop, and the pump can continuously and normally work.

The working principle is as follows: when the blade fixing device is used, a blade 5 is taken up, a clamping block 9 at the bottom end of the blade 5 is inserted into a clamping groove 7, then the blade 5 moves inwards along the clamping groove 7, one end of the blade 5, which is provided with a second screw hole 6, is inserted into a fixing groove 3, when the positions of the second screw hole 6 and a first screw hole 4 are aligned, the fixing groove 3 and the blade 5 are fixedly connected by two peripheral screws, then the five blades 5 are all fixed on the fixing groove 3 in sequence, then a blade 12 is taken up, sliders 11 at the upper end and the lower end of the blade 12 slide into a sliding rail 10 in the end face at the right side of the blade 5, when a circular groove 14 at the top end of the blade 12 is matched with a through hole 13 on the blade 5 in position, a rivet 15 is inserted into the through hole 13 and the circular groove 14, an arc-shaped groove in the circular groove 14 just blocks the arc-shaped convex block at the bottom end of the rivet 15, at the moment, one, the operation is thus ended.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An impeller of a slurry pump, comprising a wheel disc (1), characterized in that: the middle position of the front end of the wheel disc (1) is welded with a cylinder (2), five fixing grooves (3) are evenly welded on the outer wall of one circle of the cylinder (2), first screw holes (4) are formed in two ends of the five fixing grooves (3), blades (5) are inserted into the five fixing grooves (3), second screw holes (6) matched with the first screw holes (4) are formed in one ends of the blades (5) in the fixing grooves (3), clamping grooves (7) are formed in positions, corresponding to the fixing grooves (3), on the wheel disc (1), clamping blocks (9) are embedded in the clamping grooves (7), the clamping blocks (9) are welded at the bottom ends of the inner sides of the blades (5), slide rails (10) are formed in the upper end and the lower end of the right side of the five blades (5), slide blocks (11) are embedded in the slide rails (10), and the slide blocks (11) are welded at the upper end and the lower end of the left side of the blade (12), five through-holes (13) have all been seted up in the middle part position department of blade (5), circular slot (14) have been seted up with through-hole (13) corresponding position in the inboard of blade (12), pass through rivet (15) fixed connection between blade (5) and blade (12).

2. The impeller of a slurry pump as claimed in claim 1, wherein: the shape of the inner side of the blade (5) is consistent with the shape of the inner groove wall of the fixed groove (3), and the blades are all arc-shaped.

3. The impeller of a slurry pump as claimed in claim 1, wherein: a rubber pad (8) is arranged in the clamping groove (7), and the rubber pad (8) is glued on the inner wall of the clamping groove (7).

4. The impeller of a slurry pump as claimed in claim 1, wherein: the clamping groove (7) and the clamping block (9) are both trapezoidal in shape.

5. The impeller of a slurry pump as claimed in claim 1, wherein: the right end of the blade (12) is arc-shaped.

6. The impeller of a slurry pump as claimed in claim 1, wherein: the bottom of the rivet (15) is provided with an arc-shaped convex block, and an arc-shaped groove matched with the circular groove (14) is formed in the circular groove.