CN209604242U - A kind of dedicated friction of vane type centering rotor volumes pump is secondary - Google Patents

Abstract

It is secondary that the utility model discloses a kind of dedicated friction of vane type centering rotor volumes pump, three sliding blocks being assembled together including three blades being mounted in vane type stator rotor positive displacement pump and cooperation corresponding with the blade, inner wall forms revolute pair at the sliding block and rotor openings, there is sliding bearing between the blade and main shaft, blade lower part circular-hole internal-wall and sliding bearing outer wall are revolute pair contact surface, it is secondary in the rotor end-face friction that the end face of the rotor is inlaid with arc plate, the blade is made of depth hardening oxidation aluminium alloy, the sliding bearing is using PTFE-based composites as friction with pair, cooperate with the blade；The sliding block adopts a split structure, including the first slide body and with the second slide body.The utility model improves the performance of the friction pair of rotor volumes pump, promotes the durability of sub- impeller pump.

Description

A kind of dedicated friction of vane type centering rotor volumes pump is secondary

Technical field

The utility model relates to chip centering rotor volumes pump technical fields, more particularly to a kind of vane type centering rotor The dedicated friction of positive displacement pump is secondary.

Background technique

Vane type feels relieved rotor volumes pump as power plant, is used for the waters surface such as naval vessel, underwater hiding-machine and carries under water Body, propeller provide power for naval vessel or latent device and drive its autonomous navigation and motor-driven under water.

Chinese patent notification number CN201363270 patent application discloses vane type centering rotor volumes pump, selects in material Aspect is taken, not only considers that blade pump part there will be the corrosion resistance of component in preferable intensity and welding performance, seawater, also to examine Consider the practical structures of impeller pump.In production, major part element has selected the cast steel material with preferable intensity and toughness, sliding block Element has selected the lesser graphite material of coefficient of friction, and bearing element has selected intensity higher and the lesser ceramic shaft of coefficient of friction It holds.It is found soon in carrying out correlation performance parameters test process, the slider component of impeller pump just burst apart, bearing Crackle is produced, it is poor so as to cause the durability of impeller pump.

Utility model content

The purpose of this utility model is to be directed to technological deficiency existing in the prior art, and provide a kind of vane type centering turn The sub- dedicated friction of positive displacement pump is secondary.

It is for technical solution used by realization the purpose of this utility model:

A kind of dedicated friction of vane type centering rotor volumes pump is secondary, including being mounted in vane type stator rotor positive displacement pump Three sliding blocks that three blades and cooperation corresponding with the blade are assembled together, the sliding block and inner wall at rotor openings Revolute pair is formed, has sliding bearing between the blade and main shaft, blade lower part circular-hole internal-wall is with sliding bearing outer wall Revolute pair contact surface, secondary in the rotor end-face friction that the end face of the rotor is inlaid with arc plate, the blade is adopted It being made of depth hardening oxidation aluminium alloy, the sliding bearing matches pair as friction using PTFE-based composites, with The blade cooperation；The sliding block adopts a split structure, including the first slide body and with the second slide body.

The rotor is made of hardening oxidation aluminium alloy, and the sliding block is made of PTFE-based composites.

The rotor end-face friction is secondary to be formed using tetrafluoroethene based composites block.

Compared with prior art, the utility model has the beneficial effects that

The utility model improves the performance of the friction pair of rotor volumes pump, promotes the durability of sub- impeller pump.

Detailed description of the invention

Fig. 1 is the radial cross-section of vane type centering rotor volumes pump.

Fig. 2 is the axial sectional view of vane type centering rotor volumes pump.

Fig. 3 A-3C is that vane type centering rotor volumes pump three kinds of different leaves schematic diagrames.

Fig. 4 A-4D is respectively that vane type centering rotor volumes pump three kinds of different slide block schematic diagrams.

Fig. 5 is the secondary schematic diagram of rotor end-face friction.

Fig. 6 is the schematic diagram of main shaft sliding bearing.

Fig. 7 A-7B is the structural schematic diagram of end cap.

In figure: 1, cabinet, 2, passive blade one, 3, active blade, 4, rotor, 5, passive blade two, 6, main shaft, 7, cunning Block, 8, sliding bearing, 9, rotor end-face friction pair, 10, end cap, 11, rotor endcap.

Specific embodiment

The utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place The specific embodiment of description is only used to explain the utility model, is not used to limit the utility model.

As shown, the structure of the vane type centering rotor volumes pump of the utility model, including cabinet 1, passive blade one 2, active blade 3, rotor 4, passive blade 25, main shaft 6, sliding block 7, sliding bearing 8, rotor end-face friction pair 9, end cap 10 turns Sub- end cap 11；Fig. 3 A-3C is three kinds of blades of impeller pump: active blade 3, passive blade 1 and passive blade 25, three kinds of leaves Piece corresponds respectively to three kinds of sliding blocks, and the structure of sliding block is as shown in figure 4, active blade 3, passive blade 1 and passive blade 25 are logical It crosses sliding bearing 8 to match with main shaft 6, sliding bearing structure is as shown in fig. 6, the external splines transition of its internal spline and main shaft 6 is matched It closes；6 both ends of main shaft are fixed on end cap central by deep groove ball bearing, and two ends of rotor is fixed on by deep groove ball bearing is eccentric in end At lid center, end cover structure schematic diagram is as shown in Figure 7.Vane type feel relieved rotor volumes pump structure and working principle here just not It describes in detail one by one, for details, reference can be made to vane type rotator pump patent, the notification number CN201363270 of Chinese patent.The above is The structure of existing chip impeller pump.

The improvement of the utility model is, the structure of three kinds of sliding blocks of the positive displacement pump, rotor end-face friction be secondary and main shaft With sliding bearing, as shown in Figure 1, when giving 6 power of main shaft, due to main shaft 6 and active blade 3 be with spline fitted, can Know that main shaft 6 and active blade 3 have same rotational speed.Active blade 3 drives matched sliding block 7 to swing in rotor openings, To drive rotor to rotate around center axis thereof, the rotation of rotor is to push the rotation of other two passive blade and sliding block to exist Swing in rotor openings, in this way when active blade rotates about the axis thereof one week, vane type centering rotor volumes pump completes one The process of secondary water suction and draining realizes energy conversion.

Because there is bias in structure design in the central axis of rotor and main shaft, so in the impeller pump course of work, Blade can be produced relative sliding relative to the inner cavity of the sliding block in rotor openings.By Fig. 2 it is recognised that being filled between blade and main shaft Have sliding bearing 8 (structure is as shown in Figure 6), blade lower part circular-hole internal-wall and sliding bearing outer wall are revolute pair contact surface, right Depth hardening oxidation aluminium alloy is used in blade, sliding bearing is matched using teflon based composites as friction Pair, the anti-friction wear-resistant effect that can have been played.

Similarly as shown in Figure 1, pump is in course of normal operation, by movement relation it is found that sliding block and rotor openings inner wall Revolute pair is formed, sliding block is relative to rotor swing.Herein, depth hardening oxidation aluminium alloy (6061 bases are used for rotor Body), sliding block uses PTFE-based composites.And it is needed according to Standard using sliding block as split type structure, every piece Sliding block corresponds to corresponding blade, and structural schematic diagram is as shown in Fig. 4 A-4D, the first two figure, i.e. figure shown in 4A-4B is one It from the survey of the axis of sliding block 71 and sectional view, is cut at cutting line 74, forms split type structure, two in addition are respectively master slider 72 and another from the sectional view of sliding block 73, it is essentially identical with the structure from sliding block 71, and cut from corresponding cutting, Split type structure is formed, is then assembled together again with corresponding three kinds of blades, as shown in Figure 1, realizing the cooperation of rotor, each Sliding block is by two parts of cutting, and specific is from the nearly other end (there is long hole location 76 at right end as shown in the figure, the end) predetermined Position cut open, can be one end 751 that through slot 75 is formed by the wall surface for not reaching its axial end portion of sliding block Neighbouring position is cut open, and formed two parts, formed the first slide body and with the second slide body

Wherein, the cutting position is about at 1/5 position at the place of axial length.

In addition, the utility model passes through the inlaid polytetrafluoroethylsliders based composites block (structure in the groove of rotor end-face Schematic diagram is as shown in Figure 5) solve sealing and the friction problem of end cap and rotor end-face, impeller pump both can guarantee by the method Lesser flow leakage in the course of work, and do not increase too many energy consumption.If only guaranteed by machining accuracy, one increases Add processing cost and assembly difficulty, two increase energy consumption.

By above-mentioned elaboration, it is found that the present invention can not only feel relieved vane type, rotor volumes pump pushes functionization to, greatly increases Its working life improves energy utilization efficiency also by the energy consumption reduced in work, thus push industry transformation and Social development.

The above is only the preferred embodiment of the utility model, it is noted that for the general of the art For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change It also should be regarded as the protection scope of the utility model into retouching.

Claims (3)

1. a kind of vane type centering rotor volumes pump dedicated friction pair, including be mounted in vane type stator rotor positive displacement pump three Three sliding blocks that a blade and cooperation corresponding with the blade are assembled together, the sliding block and inner wall shape at rotor openings At revolute pair, there is sliding bearing between the blade and main shaft, blade lower part circular-hole internal-wall and sliding bearing outer wall are to turn Dynamic pair contact surface, it is secondary in the rotor end-face friction that the end face of the rotor is inlaid with arc plate, which is characterized in that described Blade using depth hardening oxidation aluminium alloy make, the sliding bearing using PTFE-based composites as friction With pair, cooperate with the blade；The sliding block adopts a split structure, including the first slide body and with the second sliding block Body.

2. it is secondary that vane type centering rotor volumes as described in claim 1 pump dedicated friction, which is characterized in that the rotor is using hard The production of matter aluminium oxide alloy, the sliding block are made of PTFE-based composites.

3. it is secondary that vane type centering rotor volumes as described in claim 1 pump dedicated friction, which is characterized in that the rotor end-face rubs Pair is wiped to be formed using tetrafluoroethene based composites block.