CN208950971U - A kind of mine flameproof submersible sand discharge electric pump winding seal guide vane body - Google Patents

Abstract

The utility model discloses a curved road sealing guide vane body of a mine flameproof submersible sand discharge electric pump, which comprises a guide vane body, an impeller is arranged inside the guide vane body, and a pump shaft is installed in the middle of the top of the impeller. The shaft is fixed with a fixed block, the pump shaft is movable with fast moving, the impeller is fixed with a number of diagonal braces, one end of the several diagonal braces are connected with the moving block, and the interior of the impeller is fixed with several reinforcing ribs. And the bottom end of the impeller is covered with a polymer wear-resistant layer. In the present invention, a moving block is arranged on the pump shaft, and the moving block and the impeller are connected by a number of diagonal braces, so that the impact resistance of the impeller can be improved. The rib increases the strength of the impeller itself. The bottom end of the impeller is provided with a polymer wear-resistant layer, which improves the wear-resistant performance of the impeller and prolongs the service time of the impeller. Sealed, not easy to leak.

Description

A kind of mining flame-proof type submersible sand discharging electric pump labyrinth seal diffuser

Technical field

The utility model relates to a kind of labyrinth seal diffuser, in particular to a kind of mining flame-proof type submersible sand discharging electric pump is bent Road seals diffuser.

Background technique

Mining flame-proof type submersible sand discharging electric pump is coal mine down-hole tunnel, bottom hole, local ponding puddle and coal preparation plant row The occasions such as water, engineering drainage use, and are a kind of advanced reliable draining tools.Mining flame-proof type submersible sand discharging electric pump is particularly suitable Contain the place of methane or coal-dust explosion admixture of gas in coal mine down-hole tunnel and getting working face and other working environments, Discharge underground water and containing the water polluting matter for there are the solid particles such as suspension coal dust, landwaste, coal grain, sandstone, silt on a small quantity.Unit can be drained Working face shallow surface water, can also pull the plug work for a long time.Pump structure is compact, light and small easy moves, without diversion, two-sided close Envelope, it is durable, safe and reliable, adaptable the advantages that.

All there is diffuser in pump body, diffuser is intended to divergent flow, recovery section function, then by impeller output The axial movement of water flow becomes rotary motion, and by the impact of water bending phenomenon, impeller can be occurred for the impeller inside diffuser for a long time Surface also be easy damaged by water mill, thus make impeller service life reduce.

Utility model content

The purpose of this utility model is to provide a kind of mining flame-proof type submersible sand discharging electric pump labyrinth seal diffusers, with solution Diffuser internal impeller certainly mentioned above in the background art easily occur bending phenomenon and intolerant to abrasion the problem of.

To achieve the above object, the utility model provides the following technical solutions: a kind of mining flame-proof type submersible sand discharging electric pump Labyrinth seal diffuser, including diffuser ontology, the top and bottom of the diffuser ontology be fixed with respectively water outlet and Water inlet, the diffuser are set inside the body impeller, and pump shaft is equipped in the middle part of the impeller tip, and the pump shaft runs through Water outlet is connect with the pump housing, and fixed block is fixed on the pump shaft, and movable block, and the fixation are movably equipped on the pump shaft Block is located at the surface of movable block, is fixed with several diagonal braces on the impeller, one end of several diagonal braces with shifting Motion block connection, the inside of the impeller is fixed with several reinforcing ribs, and the bottom end of the impeller is equipped with high molecular abrasion-proof Layer.

As a kind of optimal technical scheme of the utility model, the laid inside of the diffuser ontology has rubber seal Layer.

As a kind of optimal technical scheme of the utility model, the pump shaft is threadedly coupled with impeller.

As a kind of optimal technical scheme of the utility model, sealing ring is equipped on the water outlet and water inlet.

As a kind of optimal technical scheme of the utility model, the impeller is made of stainless steel.

Compared with prior art, the utility model has the beneficial effects that by being arranged movable block on pump shaft, movable block with It is connected between impeller by several diagonal braces, the impact strength of impeller on the one hand can be improved, another aspect movable block there is no harm in Hinder the rotation of impeller, to change the movement of water, reinforcing rib is set in impeller, improves the intensity of impeller itself, the bottom end of impeller High molecular abrasion-proof layer is set, the wear-resisting property of impeller is improved, extends the time that uses of impeller, diffuser body interior is laid with rubber Glue sealant seals entire diffuser more, it is not easy to reveal.

Detailed description of the invention

Fig. 1 is the schematic diagram of internal structure of the utility model；

Fig. 2 is the blade wheel structure schematic diagram of the utility model.

In figure: 1, diffuser ontology；2, impeller；3, water inlet；4, water outlet；5, pump shaft；6, fixed block；7, movable block； 8, diagonal brace；9, rubber sealant；10, reinforcing rib；11, high molecular abrasion-proof layer.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model It clearly and completely describes, it is clear that the embodiment of description is only the utility model a part of the embodiment, rather than whole realities Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work The every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of mining flame-proof type submersible sand discharging electric pump labyrinth seal diffuser referring to FIG. 1-2, Including diffuser ontology 1, the top and bottom of diffuser ontology 1 are fixed with water outlet 4 and water inlet 3, diffuser sheet respectively The inside of body 1 is equipped with impeller 2, and pump shaft 5 is equipped in the middle part of 2 top of impeller, and pump shaft 5 is connect through water outlet 4 with the pump housing, pump shaft It is fixed with fixed block 6 on 5, movable block 7 is movably equipped on pump shaft 5, and fixed block 6 is located at the surface of movable block 7, impeller 2 On be fixed with several diagonal braces 8, one end of several diagonal braces 8 is connect with movable block 7, if the inside of impeller 2 is fixed with Dry reinforcing rib 10, and the bottom end of impeller 2 is equipped with high molecular abrasion-proof layer 11.

Preferably, the laid inside of diffuser ontology 1 has rubber sealant 9, seals entire diffuser ontology 1 more, no It is easy leakage.

Preferably, pump shaft 5 is threadedly coupled with impeller 2, and the impeller 2 of threaded connection is easy to disassemble, convenient for impeller 2 maintenance more It changes.

Preferably, it is equipped with sealing ring on water outlet 4 and water inlet 3, connects water outlet 4 and water inlet 3 and external pipe It connects and more seals.

Preferably, impeller 2 is made of stainless steel, and the corrosion resistance of stainless steel material is good, can extend impeller 2 Service life.

When specifically used, a kind of mining flame-proof type submersible sand discharging electric pump labyrinth seal diffuser of the utility model, by guide vane Body ontology 1 is mounted on the bent road of mining flame-proof type submersible sand discharging electric pump, and water inlet 3 is connect with the water outlet of the pump housing, between make It is sealed with sealing ring, prevents from revealing, when inside of the water from water inlet 3 into diffuser ontology 1, impeller 2 is impacted When, the reinforcing rib 10 inside impeller 2 improves the intensity of impeller 2 itself, and prevent impeller 2 to be bent under the impact of water again, water Impact rotates impeller 2, and the diagonal brace 8 on impeller 2 is that impeller 2 provides support force, the intensity of impeller 2 is improved, since impeller 2 is in water Kinetic energy under rotate, so impeller 2 drive diagonal brace 8 by movable block 7 along pump shaft 5 rotate, since fixed block 6 makes movable block 7 It will not move upwards, damage, the high molecular abrasion-proof layer 11 of 2 bottom end of impeller reduces friction of the water to impeller 2, extends impeller 2 Service life.

In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot It is construed as a limitation of the present invention.

In addition, term " first ", " second ", " third ", " the 4th " are used for description purposes only, and should not be understood as instruction or It implies relative importance or implicitly indicates the quantity of indicated technical characteristic, define " first ", " second ", " the as a result, Three ", the feature of " the 4th " can explicitly or implicitly include at least one of the features.

In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral； It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. A winding seal guide vane body of an explosion-proof submersible sand discharge electric pump for mines, comprising a guide vane body (1), characterized in that the top and bottom of the guide vane body (1) are respectively fixedly arranged at the top and bottom. There is a water outlet (4) and a water inlet (3), an impeller (2) is arranged inside the guide vane body (1), and a pump shaft (5) is installed in the middle of the top of the impeller (2). The pump shaft (5) is connected to the pump body through the water outlet (4), the pump shaft (5) is fixedly provided with a fixed block (6), and the pump shaft (5) is movably provided with a moving block (7), And the fixed block (6) is located just above the moving block (7), a number of diagonal braces (8) are fixed on the impeller (2), and one end of the several diagonal braces (8) is connected to the moving block (8). The blocks (7) are connected, a plurality of reinforcing ribs (10) are fixed inside the impeller (2), and a polymer wear-resistant layer (11) is laid on the bottom end of the impeller (2). 2 . The winding seal guide vane body of a mine explosion-proof type submersible sand drainage electric pump according to claim 1 , wherein a rubber sealing layer (9) is laid inside the guide vane body (1). ). 3 . The winding seal guide vane body of a mine explosion-proof submersible sand drainage electric pump according to claim 1 , wherein the pump shaft ( 5 ) is threadedly connected to the impeller ( 2 ). 4 . 4. The winding seal guide vane body of a mine explosion-proof type submersible sand drainage electric pump according to claim 1, characterized in that: the water outlet (4) and the water inlet (3) are provided with seals lock up. 5 . The winding seal guide vane body of a mine explosion-proof submersible sand discharge electric pump according to claim 1 , wherein the impeller ( 2 ) is made of stainless steel. 6 .