CN211202404U

CN211202404U - Supporting structure for middle-open pump impeller

Info

Publication number: CN211202404U
Application number: CN201921652452.2U
Authority: CN
Inventors: 冉军国; 李朴蓉
Original assignee: Shanghai Cotes Fluid Equipment Co ltd
Current assignee: Shanghai Cotes Fluid Equipment Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-08-07
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a bearing structure for well open pump impeller, including workstation and pump case, first recess has been seted up to the intermediate position department on workstation top, the second recess has been seted up to the both sides position department symmetry on workstation top, the top butt of first recess has the pump case, both sides the top of second recess all the butt has a supporting seat, both sides the supporting seat welds respectively on the outer wall of entry and export bottom, the right-hand member welding of entry is at the pump case rear side, the left end welding of export is in the pump case front side, both sides both ends all weld the fixed plate about the supporting seat, and pass through screw rod fixed connection between fixed plate and the workstation, the left end welding of entry has first annular slab, and the through-hole has all been seted up to the round of first annular slab. This a bearing structure for opening pump impeller when two pump pulleys concatenate, the workman need not to twist a plurality of external screws again, has reduced workman's work load, has improved work efficiency.

Description

Supporting structure for middle-open pump impeller

Technical Field

The utility model relates to a well open pump impeller technical field specifically is a bearing structure for well open pump impeller.

Background

The split pump is one of a plurality of pump types, and has the main advantage of large medium conveying flow, the split pump mainly comprises a rotating shaft connected in a pump shell, the rotating shaft supports a pump impeller in the pump shell, and the medium at one end is transmitted to the other end through the rotation of the pump impeller, so that the supporting effect of the pump impeller is particularly important for the whole device, the support of the traditional pump impeller basically meets the normal requirement, but the traditional pump impeller support still faces some problems in the using process.

The supporting task of the pump impeller is that the shell of the pump impeller is used as a support, then the shell of the pump impeller is fixedly connected on the workbench through the peripheral screw, the traditional fixing process of the pump shell is only to simply place the pump shell on the horizontal workbench, the fixing work of the pump body is finished by respectively fixing one screw at each of two sides, the method is not firm in fixing the shell, the pump body shakes when the pump impeller runs at high speed, the screw loosening happens after a long time, and in large-scale transmission, one pump body can not meet the normal requirement, a worker can adopt a mode of connecting two pump bodies in series to increase the power of the pump, in the series connection process, the traditional method is that the inlet of one pump body and the outlet of the other pump body are sequentially connected through a plurality of external screws, the number of required screws is large, the workload of workers is increased, and the working efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bearing structure for opening pump impeller is fixed firm inadequately in order to solve the traditional bearing structure who provides in the above-mentioned background art, and the pump body takes place the shake when the high-speed moving of pump impeller, and the time length leads to the screw to take place not hard up and when supporting the pump body and establish ties, because of screw quantity is more, leads to workman's work load to strengthen, has reduced work efficiency's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a supporting structure for an impeller of a split pump comprises a workbench and a pump shell, wherein a first groove is formed in the middle position of the top end of the workbench, second grooves are symmetrically formed in the positions of the two sides of the top end of the workbench, the top end of the first groove is abutted to the pump shell, supporting seats are abutted to the top ends of the second grooves, the supporting seats are welded to the two sides of the supporting seats respectively, the right end of an inlet is welded to the rear side of the pump shell, the left end of the outlet is welded to the front side of the pump shell, fixing plates are welded to the left end and the right end of the supporting seats respectively, the fixing plates are fixedly connected with the workbench through screws, a first annular plate is welded to the left end of the inlet, a through hole is formed in one circle of the first annular plate, a first connecting sleeve is sleeved on the outer wall of the inlet on the right side of the first annular plate, and a clamping groove, the inside welding of draw-in groove has the fixture block, the right-hand member welding of export has the second annular slab, and the cover is equipped with the second connecting sleeve on the left export of second annular slab, the inside round welding of second connecting sleeve has the pole, and welds on the outer wall of pole right-hand member has another fixture block, all set up threaded hole around first connecting sleeve and the second connecting sleeve about.

Preferably, the inner walls of the first groove and the second groove are provided with buffering pads, and the buffering pads are adhered to the inner walls of the first groove and the second groove.

Preferably, the shape of the first groove is consistent with that of the bottom end of the pump shell and is in a circular arc shape, and the shape of the second groove is consistent with that of the bottom end of the supporting seat and is in a trapezoid shape.

Preferably, the diameter of the inner wall of the first annular plate is equal to the diameter of the outer wall of the second annular plate.

Preferably, the shapes of the clamping blocks inside the clamping groove and on the outer wall of the right end of the round rod are all set to be oval, and the clamping blocks inside the clamping groove and the clamping blocks on the outer wall of the right end of the round rod are arranged in a staggered mode and are correspondingly matched.

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

1. the supporting structure for the middle-open pump impeller is provided with a workbench, a first groove, a second groove, a supporting seat, a fixed plate and a buffer cushion, wherein the bottom end of a pump shell is attached and placed in the first groove formed in the top end of the workbench, the direct contact between the pump shell and the workbench is prevented through the adhesive buffer cushion in the first groove, the bottom end of the supporting seat at the inlet bottom end and the bottom end of the outlet bottom end are attached and placed in the second groove, the direct contact between the supporting seat and the workbench is avoided through another buffer cushion in the second groove, the friction is reduced, the anti-rust paint on the surfaces of the pump shell and the supporting seat is protected, the anti-rust paint is prevented from falling off to influence the attractiveness and rust later period, then the fixed plates at the two ends of the supporting seat are fixedly connected on the workbench through external screws, the screws at the two sides are more stable than the traditional simple screw, the connection between the pump body, the vibration of the pump shell and the supporting seat caused by the high-speed rotation of the impeller is relieved, the probability of loosening screws on two sides is reduced, the stability of the impeller in the pump shell is guaranteed due to the improvement of the stability of the pump shell, and the whole device is more stable and efficient in work.

2. The supporting structure for the middle-open pump impeller is provided with a first annular plate, a through hole, a first connecting sleeve, a clamping block, a second annular plate, a second connecting sleeve and a round rod, by welding a first annular plate at the left end of the inlet, forming a through hole in the first annular plate, sleeving a first connecting sleeve on the outer wall of the left end of the inlet, sleeving a second connecting sleeve on the outer wall of the right end of the outlet, forming a clamping groove in the first connecting sleeve, welding a clamping block in the clamping groove, welding a round welding rod in the second connecting sleeve, inserting the round welding rod into the through hole when matching, simultaneously inserted into the clamping groove, the first connecting sleeve and the second connecting sleeve form a closed connecting state, the first connecting sleeve and the second connecting sleeve extrude the first annular plate and the second annular plate to be closed and abutted, when two pump wheels are connected in series, workers do not need to screw a plurality of external screws, the workload of the workers is reduced, and the working efficiency is improved.

Drawings

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

fig. 2 is a schematic sectional view of a partial structure of the first connection sleeve and the second connection sleeve in a state of being engaged with each other;

fig. 3 is an enlarged schematic view of the structure at a in fig. 2 according to the present invention;

FIG. 4 is a schematic side view of the fixture block, the second annular plate, the second connecting sleeve and the round bar of the present invention;

FIG. 5 is a schematic side view of a partial structure of the first annular plate, the through hole, the first connecting sleeve and the clamping block of the present invention;

fig. 6 is a front view of the structure in series.

In the figure: 1. a work table; 2. a first groove; 3. a second groove; 4. a pump housing; 5. a supporting seat; 6. an inlet; 7. an outlet; 8. a fixing plate; 9. a first annular plate; 10. a through hole; 11. a first connecting sleeve; 12. a card slot; 13. a clamping block; 14. a second annular plate; 15. a second connecting sleeve; 16. a round bar; 17. a cushion pad; 18. a threaded bore.

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. 1-6, the present invention provides an embodiment: a supporting structure for an impeller of a split pump comprises a workbench 1 and a pump shell 4, wherein a first groove 2 is formed in the middle position of the top end of the workbench 1, second grooves 3 are symmetrically formed in the positions of two sides of the top end of the workbench 1, the top end of the first groove 2 is abutted with the pump shell 4, supporting seats 5 are abutted to the top ends of the second grooves 3 on two sides, the shape of the first groove 2 is consistent with that of the bottom end of the pump shell 4 and is arranged to be arc-shaped, the shape of the second groove 3 is consistent with that of the bottom end of the supporting seat 5 and is arranged to be trapezoid, the shapes are consistent, the pump shell 4 and the supporting seats 5 can be ensured to be just abutted into the first groove 2 and the second groove 3, the pump shell 4 and the supporting seats 5 cannot slide in the first groove 2 and the second groove 3 due to abutting, the influence of shake generated when the impeller of the pump rotates at high speed is small, and, the inner walls of the first groove 2 and the second groove 3 are both provided with cushion pads 17, the cushion pads 17 are made of polyurethane, the buffer structure is characterized by being good in buffer effect and wear-resistant, the cushion pads 17 are adhered to the inner walls of the first groove 2 and the second groove 3 and are used for preventing the pump shell 4, the supporting seat 5 and the workbench 1 from being in direct contact with each other and preventing paint from dropping from the pump shell 4 and the supporting seat 5 due to friction, meanwhile, vibration of the pump shell 4 and the supporting seat 5 is dispersed, so that the whole pump wheel works more stably, the supporting seats 5 on two sides are respectively welded on the outer walls at the bottom ends of the inlet 6 and the outlet 7, the right end of the inlet 6 is welded on the rear side of the pump shell 4, the left end of the outlet 7 is welded on the front side of the pump shell 4, fixing plates 8 are welded at the left end and the right end of the supporting seats 5 on, the pump body and the base are connected more stably, the pump shell and the supporting seat are buffered by the buffer pads in the first groove and the second groove, the vibration of the pump shell and the supporting seat caused by high-speed rotation of the impeller is relieved, and the probability of looseness of screws on two sides is reduced.

The left end of the inlet 6 is welded with a first annular plate 9, one circle of the first annular plate 9 is provided with a through hole 10, the outer wall of the inlet 6 on the right side of the first annular plate 9 is sleeved with a first connecting sleeve 11, a clamping groove 12 is formed in the first connecting sleeve 11, a clamping block 13 is welded inside the clamping groove 12, the right end of the outlet 7 is welded with a second annular plate 14, the diameter of the inner wall of the first annular plate 9 is equal to the diameter of the outer wall of the second annular plate 14, the effect is that the second annular plate 14 is just inserted into the first annular plate 9, so that the connection is tighter, the sealing performance is improved, leakage in the transmission process is prevented, the outlet 7 on the left side of the second annular plate 14 is sleeved with a second connecting sleeve 15, one circle of the inner part of the second connecting sleeve 15 is welded with a round rod 16, and the outer wall at the right end of the round rod 16 is welded with another clamping block 13, wherein the through hole 10, the diameter of the through hole 10 is the same as that of the clamping groove 12, the positions of the through hole are corresponding to the clamping groove 12, the shapes of the clamping blocks 13 inside the clamping groove 12 and on the outer wall of the right end of the round rod 16 are all set to be oval, the clamping blocks 13 inside the clamping groove 12 and the clamping blocks 13 on the outer wall of the right end of the round rod 16 are arranged in a staggered mode and are correspondingly matched, the round rod 16 and the clamping groove 12 are connected more tightly, the round rod 16 can be inserted into the clamping groove 12 and clamped firmly due to the oval shape, the round rod 16 cannot be separated from the clamping groove 12, the device can normally operate, threaded holes 18 are formed in the first connecting sleeve 11 and the second connecting sleeve 15 from top to bottom and from front to back, when two pump wheels are connected in series, workers do not need to screw.

The working principle is as follows: when the device is used, the pump shell 4 is horizontally placed at the top end of the workbench 1, the bottom end of the pump shell 4 is correspondingly matched and abutted into the first groove 2 at the top end of the workbench 1, the buffer cushion 17 in the first groove 2 prevents the pump shell 4 from being in direct contact with the first groove 2, meanwhile, the support seat 5 at the bottom ends of the inlet 6 and the outlet 7 can also be attached and clamped into the second groove 3 on the workbench 1, the other buffer cushion 17 in the second groove 3 prevents the support seat 5 from being in direct contact with the second groove 3, and then the fixing plates 8 at two sides of the support seat 5 are fixed at the top end of the workbench 1 through external screws;

when a worker needs to connect pump wheels in parallel to increase power, the other pump wheel is transported, the two pump wheels are placed in parallel, the outlet 7 at the front end of the pump shell 4 is aligned to the inlet 6 at the rear end of the pump shell 4 of the other pump wheel, the second annular plate 14 at the right end of the outlet 7 is inserted into the first annular plate 9 at the left end of the inlet 6, then the first connecting sleeve 11 and the second connecting sleeve 15 which are sleeved on the outer walls of the inlet 6 and the outlet 7 move towards the middle simultaneously, in the moving process, the round rod 16 welded at the front end of the second connecting sleeve 15 is inserted into the through hole 10 in the first annular plate 9 and is inserted into the clamping groove 12 formed in the first connecting sleeve 11, the clamping block 13 in the clamping groove 12 is matched with the other clamping block 13 on the outer wall of the round rod 16, the round rod 16 is fixed in the clamping groove 12, the first connecting sleeve 11 and the second connecting sleeve 15 are connected in a closed mode, the first connecting sleeve 11 and the second connecting sleeve 15 extrude the first annular plate 9 and the second annular plate 14 to, finally, the first connecting sleeve 11 and the second connecting sleeve 15 are fixedly connected by four external screws, and the operation is finished.

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. A bearing structure for an axially split pump impeller, comprising a work head (1) and a pump casing (4), characterized in that: the middle position of the top end of the workbench (1) is provided with a first groove (2), the positions of two sides of the top end of the workbench (1) are symmetrically provided with second grooves (3), the top end of the first groove (2) is abutted with a pump shell (4), the top ends of the second grooves (3) of two sides are abutted with supporting seats (5), the supporting seats (5) of two sides are respectively welded on the outer walls of the bottoms of an inlet (6) and an outlet (7), the right end of the inlet (6) is welded on the rear side of the pump shell (4), the left end of the outlet (7) is welded on the front side of the pump shell (4), the left end and the right end of the supporting seats (5) of two sides are both welded with fixing plates (8), the fixing plates (8) are fixedly connected with the workbench (1) through screws, the left end of the inlet (6) is welded with a first annular plate (9), and one circle of the first annular plate (9) is provided with, the utility model discloses a round bar welding of first annular plate (9) is characterized in that the cover is equipped with first connecting sleeve (11) on entry (6) outer wall on first annular plate (9) right side, and has seted up draw-in groove (12) in first connecting sleeve (11), the inside welding of draw-in groove (12) has fixture block (13), the right-hand member welding of export (7) has second annular plate (14), and the cover is equipped with second connecting sleeve (15) on export (7) on second annular plate (14) left side, the inside round welding of second connecting sleeve (15) has round bar (16), and the welding has another fixture block (13) on the outer wall of round bar (16) right-hand member, screw hole (18) have all been seted up around first connecting sleeve (11) and second connecting sleeve (15) about from.

2. The support structure for an axially split pump impeller of claim 1, wherein: the inner walls of the first groove (2) and the second groove (3) are provided with buffer pads (17), and the buffer pads (17) are glued on the inner walls of the first groove (2) and the second groove (3).

3. The support structure for an axially split pump impeller of claim 1, wherein: the shape of the first groove (2) is consistent with that of the bottom end of the pump shell (4) and is arranged to be arc-shaped, and the shape of the second groove (3) is consistent with that of the bottom end of the supporting seat (5) and is arranged to be trapezoid.

4. The support structure for an axially split pump impeller of claim 1, wherein: the diameter of the inner wall of the first annular plate (9) is equal to the diameter of the outer wall of the second annular plate (14).

5. The support structure for an axially split pump impeller of claim 1, wherein: the shapes of the clamping blocks (13) in the clamping groove (12) and on the outer wall of the right end of the round rod (16) are all set to be oval, and the clamping blocks (13) in the clamping groove (12) and the clamping blocks (13) on the outer wall of the right end of the round rod (16) are arranged in a staggered mode and are correspondingly matched.