CN209815796U

CN209815796U - Low-speed impeller

Info

Publication number: CN209815796U
Application number: CN201920391344.8U
Authority: CN
Inventors: 陈岩飞; 侯宁宁
Original assignee: Fujian Green Airlines Environmental Protection Technology Co Ltd
Current assignee: Fujian Green Airlines Environmental Protection Technology Co Ltd
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2019-12-20
Anticipated expiration: 2029-03-26

Abstract

The utility model relates to a low-speed impeller, which comprises a guide rod, a guide sleeve, a submersible motor, a constant-speed universal joint, a transmission shaft and impeller blades, wherein the guide rod is vertically arranged at the bottom of a pool, the guide sleeve is sleeved on the guide rod in a sliding way, and a set screw for locking the guide rod is screwed on the guide sleeve; the rear end of the submersible motor is screwed on the guide sleeve and is driven by the lifting mechanism to slide up and down along the guide rod; one end of the constant velocity universal joint is connected with an output shaft of the submersible motor, and the other end of the constant velocity universal joint is connected with the transmission shaft; the impeller blades are arranged on the transmission shaft. The utility model has the advantages of simple and reasonable design, make things convenient for installing and removing and the maintenance of impeller to the intensity of impeller blade, stability are high, have improved life.

Description

Low-speed impeller

The technical field is as follows:

the utility model relates to a low-speed impeller.

Background art:

the low-speed impeller is mainly suitable for aeration tanks, anaerobic tanks and the like of industrial and urban sewage treatment plants, generates strong water flow with low tangential flow, and can be used for water circulation in the tanks, water flow creation in nitrification, denitrification and dephosphorization stages and the like. However, the existing low-speed impeller is fixed in installation position and difficult to disassemble, install and maintain, and if the existing low-speed impeller needs to be disassembled or maintained, the water in the pool needs to be drained firstly and then the existing low-speed impeller descends to the bottom of the pool to be disassembled or maintained.

The utility model has the following contents:

the utility model discloses make the improvement to the problem that above-mentioned prior art exists, promptly the utility model aims to solve the technical problem that a low-speed impeller is provided, not only rational in infrastructure, it is convenient high-efficient moreover.

In order to realize the purpose, the utility model discloses a technical scheme is: a low-speed flow impeller comprises a guide rod, a guide sleeve, a submersible motor, a constant-speed universal joint, a transmission shaft and impeller blades, wherein the guide rod is vertically arranged at the bottom of a pool, the guide sleeve is slidably sleeved on the guide rod, and a set screw for locking the guide rod is screwed on the guide sleeve; the rear end of the submersible motor is screwed on the guide sleeve and is driven by the lifting mechanism to slide up and down along the guide rod; one end of the constant velocity universal joint is connected with an output shaft of the submersible motor, and the other end of the constant velocity universal joint is connected with the transmission shaft; the impeller blades are arranged on the transmission shaft.

Furthermore, impeller blade includes the middle wheel hub that is used for being connected with the transmission shaft and fixes two solid blade in middle wheel hub both sides, solid blade is provided with two strengthening ribs of guaranteeing intensity and rigidity in yielding intermediate position, and solid blade is provided with curved guiding gutter in strengthening rib both sides position.

Furthermore, the solid blades and the hub are integrally cast into a whole, the hub is a cylinder, and the two solid blades are symmetrical about the hub; the surface of the hub, the solid blades, the reinforcing ribs and the flow guide grooves are coated with polyether type polyurethane coating layers.

Further, the polyether polyurethane coating layer is a colored polyether polyurethane coating layer.

Further, the hub and the solid blades are of an integral structure formed by casting copper or iron or stainless steel or aluminum alloy.

Further, the constant velocity joint is a ball-and-fork joint or a rzeppa joint.

Further, elevating system includes that one end connects firmly the support frame on the guide pin bushing, it has the vertical sleeve of axial to connect firmly on the support frame, wear to be equipped with the couple of "J" font in the sleeve, the dive motor is caught on to the bottom crotch of couple, and the top of couple has the through-hole that is used for the ligature to hang the stay cord, and the bottom of couple connects firmly the pole setting that has vertical setting and is used for with the bottom of the pool looks top-connection, the couple spiro union is on the sleeve.

Furthermore, the cross sections of the guide rod and the guide sleeve are square, the bottom end of the guide rod is mounted at the bottom of the tank, the top end of the guide rod is exposed out of the tank opening through foundation bolts, and a limiting block used for limiting the downward sliding of the guide sleeve is fixedly connected to the bottom end of the guide rod.

Furthermore, the support frame is L-shaped and is fixedly arranged on the guide sleeve above the submersible motor, the sleeve is arranged beside the submersible motor in an offset manner, the non-hook section of the hook is provided with an external thread section, and the upper end surface and the lower end surface of the sleeve are connected with a locking nut in a threaded manner.

Furthermore, the bottom end of the vertical rod is fixedly connected with a supporting bottom plate, and the bottom surface of the supporting bottom plate is fixedly connected with two damping blocks.

Compared with the prior art, the utility model discloses following effect has: the utility model has the advantages of simple and reasonable design, make things convenient for installing and removing and the maintenance of impeller to the intensity of impeller blade, stability are high, have improved life.

Description of the drawings:

fig. 1 is a schematic front view of the embodiment of the present invention;

fig. 2 is a schematic diagram of a right-view configuration of an embodiment of the present invention (with the impeller blades omitted);

FIG. 3 is a schematic view of the configuration of FIG. 2 with the hook not hooked to the submersible motor;

fig. 4 is a schematic view of the construction of a blade of a flow impeller according to an embodiment of the present invention.

In the figure:

1-a guide rod; 2-guide sleeve; 3-a submersible motor; 4-constant velocity joint; 5-a transmission shaft; 6-impeller blades; 7-a hub; 8-solid blade; 9-reinforcing ribs; 10-a diversion trench; 11-a support frame; 12-hanging hooks; 13-hanging ropes; 14-a through hole; 15-erecting a rod; 16-a limiting block; 17-external thread section; 18-a lock nut; 19-a support floor; 20-a damper block; 21-a waterproof cover; 22-a sleeve; 23-pool bottom.

The specific implementation mode is as follows:

the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 4, the utility model relates to a low-speed impeller, which comprises a guide rod 1, a guide sleeve 2, a submersible motor 3, a constant velocity universal joint 4, a transmission shaft 5 and impeller blades 6, wherein the guide rod 1 is vertically installed at the bottom of a pool, the guide sleeve 2 is slidably sleeved on the guide rod 1, and the guide sleeve 2 is screwed with a set screw for locking the guide rod 1; the rear end of the submersible motor 3 is screwed on the guide sleeve 2 and is driven by the lifting mechanism to slide up and down along the guide rod 1; one end of the constant velocity universal joint 4 is connected with an output shaft of the submersible motor 3, and the other end of the constant velocity universal joint is connected with the transmission shaft 5; the impeller blades 6 are mounted on the drive shaft 5. When in use, the submersible motor 3 and the impeller blades 6 are driven to lift through the lifting mechanism, so that the assembly, disassembly and maintenance are convenient; and the output shaft of the submersible motor is connected with the transmission shaft through the constant velocity universal joint, and the angle between the transmission shaft and the output shaft of the submersible motor can be adjusted according to the requirement.

In this embodiment, the impeller blade 6 includes a middle hub 7 for connecting with the transmission shaft 5 and two solid blades 8 fixed on both sides of the middle hub 7, and the solid blades 8 are provided with two reinforcing ribs 9 for ensuring strength and rigidity at an easily deformable middle position to prevent deformation of the solid blades; the solid blade 8 is provided with curved guiding gutter 10 in strengthening rib 9 both sides position, and guiding gutter 10 can play the guide effect to rivers when solid blade 8 rotates to push away the flow, reduces the reposition of redundant personnel, improves greatly and pushes away a class efficiency.

In the embodiment, the solid blades 8 and the hub 7 are integrally cast into a whole, the hub is a cylinder, and the two solid blades are symmetrical about the hub, so that the integral strength and rigidity of the impeller blades are improved; the surface of the hub 7, the surface of the solid blade 8, the surface of the reinforcing rib 9 and the surface of the diversion trench 10 are coated with polyether polyurethane coating layers. Set up the polyether type polyurethane dope layer on solid blade's surface, can absorb the impact force, and have better insulating nature, the cohesion of polyether type polyurethane dope layer and blade is increased simultaneously in the setting of arc guiding gutter, prevents droing of polyether type polyurethane dope layer.

In this embodiment, the polyether type polyurethane coating layer is a colored polyether type polyurethane coating layer so as to be more striking and improve the observability of the blade of the impeller.

In this embodiment, the hub 7 and the solid blades 8 are formed by casting copper or iron or stainless steel or aluminum alloy.

In the present embodiment, the constant velocity joint 4 is a ball-and-fork joint or a rzeppa joint. The selection of the constant velocity universal joint can be selected by the person skilled in the art according to the needs, as long as the output shaft of the submersible motor can be connected with the transmission shaft to transmit power, and the angle between the output shaft of the submersible motor and the transmission shaft can be adjusted.

In this embodiment, elevating system includes that one end couples to the support frame 11 on guide pin bushing 2 admittedly, the vertical sleeve 22 of axial is coupled to the support frame 11 admittedly, wear to be equipped with the couple 12 of "J" font in the sleeve 22, the bottom crotch of couple 12 catches on submersible motor 3, and the top of couple 12 has the through-hole 14 that is used for the ligature to hang stay cord 13, and the bottom of couple 12 couples to the pole setting 15 that has vertical setting and is used for with the bottom of the pool looks butt joint firmly, couple 12 spiro union is on sleeve 22.

In the embodiment, the cross sections of the guide rod 1 and the guide sleeve 2 are square, the bottom end of the guide rod 1 is arranged at the bottom of the tank through a foundation bolt, and the top end of the guide rod is exposed out of the tank opening; the near bottom end of the guide rod 1 is fixedly connected with a limiting block 16 for limiting the downward sliding of the guide sleeve 2, and when the vertical rod is connected with the top of the pool bottom after the submersible motor descends in place, the guide sleeve is also connected with the limiting block.

In this embodiment, the support frame 11 is L-shaped and is fixedly arranged on the guide sleeve 2 above the submersible motor 3, the sleeve 22 is arranged beside the submersible motor 3 in an offset manner, the non-hook section of the hook 12 is provided with an external thread section 17, and the upper end face and the lower end face of the sleeve 22 are screwed with the locking nuts 18.

In this embodiment, the bottom end of the vertical rod 15 is fixedly connected with a supporting bottom plate 19, and since the vertical rod is tapered, in order to avoid that the vertical rod pokes a hole at the bottom of the pool for a long time, the supporting bottom plate is used for expanding the contact area for auxiliary support. Furthermore, two damping blocks 20 are fixedly connected to the bottom surface of the supporting bottom plate 19 so as to damp vibration and reduce shaking.

In this embodiment, a waterproof cover 21 is provided outside the submersible motor 3.

In this embodiment, a set screw for tightly pushing the guide rod 1 is screwed on the guide sleeve 2, so that the guide sleeve 2 can be temporarily fixed when the flow driver (including the submersible motor 3, the constant velocity universal joint 4, the transmission shaft 5 and the flow driver blade 6) is disassembled and assembled; when the current thruster is installed, the guide sleeve 2 is positioned at the position of a pool opening and is temporarily positioned on the guide rod 1 through a set screw, the rear end of the current thruster is firstly screwed on the guide sleeve 2, then the locking nut 18 is unscrewed, the hook 12 can move up and down in the sleeve 22, the hook 12 descends firstly, then rotates 90 degrees clockwise, the hook 12 ascends to enable the bottom end hook to hook the lower peripheral part of the submersible motor 3 and screw the locking nut 18, finally the set screw is screwed out, and the suspension rope 13 is paid off to enable the current thruster to descend to the bottom of the pool; when tearing open the impeller, the line is received to the suspension rope 13 and makes the impeller rise to the pool mouth, and guide pin bushing 2 is located the pool mouth position and fixes a position on guide arm 1 temporarily through holding screw, then loosens lock nut 18 soon, and couple 12 descends earlier, then anticlockwise rotation 90, makes couple 12 leave the impeller, and the impeller alright dismantlement compares with traditional staple bolt, and the use of couple is all more convenient, high-efficient with the installation.

The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.

Claims

1. A low-speed impeller is characterized in that: the device comprises a guide rod, a guide sleeve, a submersible motor, a constant velocity universal joint, a transmission shaft and impeller blades, wherein the guide rod is vertically arranged at the bottom of the pool, the guide sleeve is slidably sleeved on the guide rod, and a set screw for locking the guide rod is screwed on the guide sleeve; the rear end of the submersible motor is screwed on the guide sleeve and is driven by the lifting mechanism to slide up and down along the guide rod; one end of the constant velocity universal joint is connected with an output shaft of the submersible motor, and the other end of the constant velocity universal joint is connected with the transmission shaft; the impeller blades are arranged on the transmission shaft.

2. The low-speed impeller of claim 1 wherein: impeller blade includes the middle wheel hub that is used for being connected with the transmission shaft and fixes two solid blades in middle wheel hub both sides, solid blade is provided with two strengthening ribs of assurance intensity and rigidity in yielding intermediate position, and solid blade is provided with curved guiding gutter in strengthening rib both sides position.

3. The low-speed impeller of claim 2 wherein: the solid blades and the hub are integrally cast into a whole, the hub is a cylinder, and the two solid blades are symmetrical about the hub; the surface of the hub, the solid blades, the reinforcing ribs and the flow guide grooves are coated with polyether type polyurethane coating layers.

4. The low-speed impeller of claim 3 wherein: the polyether type polyurethane coating layer is a colored polyether type polyurethane coating layer.

5. The low-speed impeller of claim 3 wherein: the hub and the solid blades are of an integrated structure formed by casting copper or iron or stainless steel or aluminum alloy.

6. The low-speed impeller of claim 1 wherein: the constant velocity universal joint is a ball-and-fork type universal joint or a rzeppa type universal joint.

7. The low-speed impeller of claim 1 wherein: the lifting mechanism comprises a support frame with one end fixedly connected to the guide sleeve, the support frame is fixedly connected with a sleeve with an axial vertical direction, a hook in a J shape is arranged in the sleeve in a penetrating mode, the submersible motor is hooked by a hook at the bottom end of the hook, a through hole for binding a suspension rope is formed in the top end of the hook, a vertical rod is fixedly connected to the bottom end of the hook and used for abutting against the bottom of the pool, and the hook is connected to the sleeve in a threaded mode.

8. The low-speed impeller of claim 7 wherein: the cross section of guide arm and guide pin bushing is square form, and the bottom of guide arm is installed at the bottom of the pool, the top exposes the pond mouth through rag bolt, and the nearly bottom of guide arm is connected firmly and is used for the spacing stopper of guide pin bushing gliding.

9. The low-speed impeller of claim 7 wherein: the support frame is L-shaped and is fixedly arranged on a guide sleeve above the submersible motor, the sleeve is arranged beside the submersible motor in a biasing way, an external thread section is arranged on a non-hook section of the hook, and locking nuts are screwed on the upper end surface and the lower end surface of the sleeve.

10. The low-speed impeller of claim 7 wherein: the bottom of pole setting is connected with supporting baseplate admittedly, supporting baseplate's bottom surface is connected with two snubber blocks admittedly.