» Fixtures »Non-standard vibration pump suspension, increased reliability

Non-standard vibration pump suspension, increased reliability

Non-standard vibration pump suspension, increased reliability


Equipping the winter version of the water supply system from our own spring, I had to pay attention to the pump with the nearest communications. The pump is factory vibrating. Some improvement, or rather, adaptation to their own needs, its installation in an existing small capacity and a standard suspension, and I would like to offer the attention of the venerable public.

Prelude

The vibration pump is a wonderful gizmo - the simplest maintenance-free, highly reliable design with a minimum of moving parts, a completely underwater working position (good cooling, does not freeze in winter). Low probability of electrical breakdown (per housing). Simple design provides moderate cost. The characteristics of the pump cannot be called outstanding, but they cover most of the needs in the farm.

The pump is an open-core coil connected to the network. An alternating magnetic field distorts, with a network frequency, an anchor mechanically connected to an elastic membrane. Water is sucked through two valves and is supplied to the outlet pipe.

The pump coil is filled with a compound in the wide bottom of the pump housing. For normal operation of the pump, it must be immersed in water for cooling. It is worth saying here that there are pumps with an upper water intake and a lower one - the latter are convenient only for work involving pumping water. In other cases, pumps with an upper intake of water are preferable - they can be suspended in less deep containers, wells - less trash is sucked from the bottom, moreover, it is more convenient to operate such a pump - it will not be able to pump water out of itself and burn out.



Formulation of the problem

Our source is a spring with a container for water intake. Capacity, represents a dug piece of a ceramic reclamation pipe with a concreted bottom. The depth and generally the size of the tank is small, it is located, although on our site, but in a kind of lowland, in winter it is covered with snow, it’s difficult to go to the spring at this time of year for inspections, preventive repairs, and repairs.

A small volume of water tank and all-weather work require well-known measures to prevent freezing of the water supply. We made our batch water supply system, completely drained between the work.The terrain also contributes to this - the spring is pretty much lower than everything else.

Our main pressure pipe is insulated and buried in the ground, but what about. There was only a small area left above the ceramic container with water. The pipe should be molded so that any of its length was directed downward, towards the drain of water. At a shallow depth of the "well", comparable to a large pan, the standard installation of the pump - a vertical suspension, although possible, leaves an uncomfortable "not drained" hose ring above the surface of the water (freezes).

For a convenient, "merged" installation of the pump, we used its non-standard suspension - horizontally. At the same time, a plastic pipe and a piece of a transitional silicone hose are formed by a sort of descending half-ring that fits perfectly into our container. He molded a plastic pipe, heating its individual sections with a building hairdryer. It is not necessary to bend one place at a large angle - folds are formed that reduce the pipe section, it is better to make several small bends. A silicone hose is installed for vibration isolation and ease of maintenance. Compared to garden irrigation, it does not harden in the cold (in cold water) and allows you to pull out the pump for inspections without wriggling a hard plastic pipe.



To take advantage of the “upper fence”, the pump in the water column is located like a swimmer - with his head slightly higher.



In the event of a water outage (for example, a blockage in the supply pipe), the pump coil will still remain in the water.

Pump suspension

The standard suspension of the pump is made in the form of two tides-ears on a silumin body and involves only vertical installation. Moreover, the inner part of the ears is rather rough and during operation of the pump (vibration) frays short suspension ropes, even if they are reinforced with thermotubes, as suggested in the instructions.



Probably, with a long rope suspension (well, pond), a thick elastic rope softens this effect. It is possible to reduce grinding a little by grinding the inner surface of the holes.

With the desired horizontal suspension of the pump, another suspension point is required at the rear (bottom). She chose a rectangular protrusion at the bottom of the case, it is clamped with a special clamp. Initially, it was a piece of thin steel tape pulled together by an M5 screw. For a screw, a wire ring of 5-6 turns caught on (distribute the load). One of the standard mounts was supplied with the same ring. The rope was not frayed, but the metal parts quickly deteriorated, repairs had to be carried out, including in the winter, digging up snow, working in the cold.

Once, the pump came off the rusted mounts and worked for some time lying on the bottom. With his vibrating body, he nearly "ate" his way out, Count Montecristo a sort of.



Special stainless steel mounts have solved this problem.

What was used for work

Instruments.
The usual set of bench tools. For cutting sheet steel I used a small angle grinder with an abrasive disk ø125mm. It is highly advisable to use protective headphones and glasses. The marking tool - an alcohol felt-tip pen or a metalwork "pencil" - a scratcher with a sharp hardened nose, a large joiner square, a long ruler. To fix the parts during cutting-welding, several joinery clamps were useful. For welding, a small inverter with accessories was used - cables, a protective mask, leather gaiters, homemade whisking of glassy slag from a small chisel with a handle. It should also include tight non-synthetic clothing and boots. The work was carried out on the street - a good extension cord with a pair (angle grinder, inverter) of sockets came in handy. As always - absolutely necessary, a bit of patience and accuracy.

Materials
In addition to the sheet steel itself, welding electrodes were needed - I used TsL-11, ø2mm, and abrasive wheels ø125mm, 1 mm thick.

Mounts

Affordable was 1.5mm thick stainless steel sheet. I cut out several strips of suitable thickness from it, straightened it, and cleaned the burrs.





For the rear suspension, from the strip of the appropriate width, I curved the outline of the rectangle, fastened it with a short M6 screw with everything due - a grover, washers, everything. The latter applied - reinforced, or "body". The sticking-out strip, in place of the future eyelet, was carefully polished with several numbers of the skin, to a completely smooth state, and it bent the eyelet, the end of which was fixed at several points by welding. He took a stainless steel electrode ø2mm, grade TsL-11, reverse polarity, current - 40 ... 50A





He did the same with the front suspension - he narrowed the strip through the regular ears and fixed the edge with welding, polished the remaining tail, molded it, welded it.












For the last photo I had to climb into the spring, at the same time I made an autumn revision. And it turns out in the captivity chamber, the princess lives with me, now admire what a beauty!





Conclusions in pursuit

The fasteners turned out to be very successful - the ropes do not fray, the glands do not rust. The operation of the pump for more than two years, including in the garden seasons (watering), without any maintenance, confirms the reliability of the design.

For fasteners, you can try to use stainless wire, get a small piece of it, you can by stripping the welding electrode on stainless steel - they are relatively expensive and in specialized stores, often sold by weight - individually. Several pieces, even of significant diameter, are quite moderate.

Practice shows that a vibration pump that constantly works in a system with pressure (a hydraulic accumulator that turns off by a pressure switch) does not last long. Usually up to a year - swam, we know.

The well-known maxim says - a correctly formulated question, contains half the answer - while writing the article, it came up with a good way to protect the ropes from rubbing with a standard suspension - use vulgar thimbles.





We have such glands sold in hardware stores, along with all sorts of there, eyebolts - lanyards.
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19 comments
Author
Well, of course send, everyone will be very interested!
VYTAS, PO RUSKI VITIOK
PRIVET OT SAMADELKINA IZ LITVI, PRIKOLNIJ SAITIK, MOZET MOGU SKINUT NESKOLKO SVOIH SAMODELOK
Author
Thanks. No, in horizontal position, the pump works reliably. The working experience shown in the photo is more than 4 years. Well, then, the heating cable into the pipe ... Mmm, somehow it's not elegant, on the forehead. I would like, as it were, more elegant - so that everything would be done on its own, with minimal effort and without expenditure of energy.
No, a synthetic cord in water, not a spring replacement. Lower the pump as expected (it will not work for a long time in a horizontal position), and so that the pipe does not freeze, the heating cable is self-regulating. Better in a pipe, but it is possible also outside. The diameter of your pipe is small. The price of the issue is 150 - 200 rubles a meter. Put on a segment that is not buried. And live in peace, it will not freeze, and not fray. Here is the link https://youtu.be/npW-RYXRBoU. Very good channel, I advise.
I hung on a rope and at the end a rubber styptic tourniquet from an old first-aid kit. Thick like a belt with holes.
Author
Yes, perhaps such a design would be the most competent, the matter is materials. The easiest way is to probably hang it on a thick but long synthetic cord with thimbles. It is quite elastic, with a considerable length, it will play the role of a spring. The piece of iron will rub against the piece of iron, but this process is not fast.
Author
Dmitry, thanks! It seems that was the case.
The pump is VIBRATION, which means that the pump must not be rigid. It is necessary to fasten the cable, then the spring and the pump itself. And then nothing will be rubbed and the pump will work forever. Only here, from the hard water, the “plateau” gum, which is inside, can not last for a long time. I have been using the "Kid" for 25 years, twice only the "plate" was changed.
Five years he used such pumps - for water supply at home and watering the garden. The family is not small, plus for the summer I put a pool for children of 5 cubic meters, I also water the garden from it, in general, 20-30 cubes per month come out. The pump is in the well, a barrel with a simple autofill system is at home - a float, a magnet, 2 reed switches and a starter to turn on the pump, water enters the barrel through coarse filters. For 5 years I bought about 4 of these pumps, plus I repaired them five times, in general, once every six months, suddenly without water, sometimes in winter in a 20-degree frost. The pump design is not intended for long-term pumping of large volumes of water - either the bolts will unwind from vibration, the rubber bands will become unusable, as a result, water gets into the chamber with coils, then through the microcracks of the compound into coils, the inter-turn circuit and the pump burned out. This year I installed a centrifugal - I hope it will last longer, although it costs 5 times more.
Well, it's probably the same as loading a steel bar in a double-barrel))
Author
It shouldn’t seem like - the pressure here is the main thing, and this is the difference in heights, there it was not particularly large. Hmm, maybe a really big mass? Move her up.
I put the automation unit, without a GA, everything worked. True highway meters 5. You can try not a block, but just put a pressure switch. True, without a hydraulic accumulator it will work every time the crane is opened.
maybe too much water? Does the pump die when it is turned on? I'm also interested in the question of how the vibrating pump will work in conjunction with the hydraulic accumulator.
Author
A colleague, you are probably right and it wasn’t worth it so categorically, well, let’s say this - working in a system under pressure for such a pump is less desirable. For some time we lived in the Altai taiga with hermits, and so they had a system with a length of 150 meters, a pipe and a hydraulic accumulator. The pump lasted less than a year - the entire cabinet in the attic was littered with dead carcasses. And the accumulator seems to be not the smallest and the pressure is set to low, and brands of pumps - which just have not been tried, but here you go. Apparently there was some kind of unfortunate factor that greatly affected motor resources.

And the suspension itself - here is rather a description, as a whole, it was possible to solve an individual problem - to ensure long-term unsupervised operation of the pump in a small tank.
Author
This is yes, it’s another matter that water changes its structure and properties, literally from the thoughts of others - so, whatever it is, it’s only if people believe that it is good. Well, to understand this yourself - any drink, vividly present as a healing balm, no less!
The suspension idea is good, but in my classic version of the suspension, a pump in a well, under pressure, with a relay and a hydraulic accumulator, has been living safely for more than 7 years. The main thing is not to forget to drain water from pipes for the winter.
Yes, it is always tasty, already sweet, but the kidneys can fall off from it)) Therefore, I try to drink only boiled water.

We have springs here, Kiev priests came, set up crosses, consecrated the type. All do not care for the composition, they are going to gain, tasty and holy, this is the main thing)))
Author
Greetings Dmitry! Yes, the water is hard, there is scale. I did not know that it intensifies corrosion, but yes, it rusts. Apparently, the water underground, one way or another, is enriched with soluble salts - how much it has to leak. These are not mountain streams - thawed snow and ice, but on top. But we don’t have any particular problems, we didn’t determine the composition - it’s painfully expensive, but the water is tasty when the guests are coming, they take cans and eggplant with them. But if the heating with the boiler is fenced, then yes, you have to soften it somehow.

Increased oxidation can also be caused by currents, even very insignificant - leaks of all kinds, galvanic pairs of metals.
The water is apparently hard. Whitens when boiling? For some reason, from the springs it is almost always tough.

From such water, everything instantly rusts ...

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