CN214367358U

CN214367358U - Hydraulic serpentine spring coupling

Info

Publication number: CN214367358U
Application number: CN202120296874.1U
Authority: CN
Inventors: 张代新; 张代菊; 张代平
Original assignee: Zhejiang Decheng Machinery Technology Co ltd
Current assignee: Zhejiang Decheng Machinery Technology Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-10-08
Anticipated expiration: 2031-02-02

Abstract

The utility model relates to a shaft coupling field, concretely relates to hydraulic pressure serpentine spring shaft coupling, including serpentine spring, housing and two half-couplings, the half-coupling includes hydraulic pressure axle sleeve and fluted disc, the hydraulic pressure axle sleeve is equipped with the notes liquid hole in intermediate layer chamber and intercommunication intermediate layer chamber, annotate hydraulic medium in the intermediate layer intracavity, annotate the liquid hole and install the end cap screw, the fluted disc passes through threaded connection and fixes on the hydraulic pressure axle sleeve, the periphery of fluted disc has a plurality of components of a whole that can function independently teeth of align to grid and components of a whole that can function independently tooth and be the annular and distribute, form the tooth's socket with the serpentine spring adaptation between the adjacent components of a whole that can function independently tooth, serpentine spring installs in the tooth's socket on two half-couplings in turn, the housing cover is on two half-couplings, the both ends of housing are sealed conflict in the hydraulic pressure axle sleeve of both sides respectively, still be equipped with the oil filler point on the housing. The utility model provides a half-coupling adopts the components of a whole that can function independently design, divide into hydraulic pressure axle sleeve and fluted disc, only needs to change the fluted disc and need not change the hydraulic pressure axle sleeve when the fluted disc damages, therefore can reduce use cost effectively.

Description

Hydraulic serpentine spring coupling

Technical Field

The utility model relates to a shaft coupling technical field, concretely relates to hydraulic pressure serpentine spring shaft coupling.

Background

The coupler is a device for connecting two rotating shafts, so that the two rotating shafts rotate together in the process of transmitting motion and power and do not separate under normal conditions.

According to the principle that liquid can uniformly transmit pressure to a container wall in a certain-shaped container, a hydraulic coupling appears on the market, a certain hydraulic medium is generally injected into a shaft sleeve with an interlayer, the pressure can be uniformly transmitted to a contact surface of a shaft and a hub through a screw/piston or an external working pump, and the shaft sleeve with the interlayer uniformly expands around the contact surface of the shaft and the hub under the action of the pressure, so that balanced contact pressure is generated.

The hydraulic serpentine spring coupling is a novel hydraulic coupling, and is connected two half couplings through serpentine spring, but present half coupling is mostly the integral type design, has axle sleeve part and fluted disc part on the half coupling, and the wearing and tearing phenomenon appears in the fluted disc part after using for a long time easily, will not continue to use when wearing and tearing are serious, at this moment just need to change whole half coupling, has greatly increased actual use cost. In view of the above-mentioned shortcomings, the present invention provides an improvement.

Disclosure of Invention

In order to overcome the not enough of background art, the utility model provides a hydraulic pressure serpentine spring shaft coupling, half-coupling adopt the components of a whole that can function independently design, divide into hydraulic pressure axle sleeve and fluted disc, only need change the fluted disc and need not change the hydraulic pressure axle sleeve when the fluted disc damages, therefore can reduce use cost effectively, just so can make the product satisfy the in-service use demand better.

The utility model adopts the technical proposal that: the utility model provides a hydraulic pressure serpentine spring shaft coupling, including serpentine spring, housing and two half-couplings, the half-coupling includes hydraulic pressure axle sleeve and fluted disc, hydraulic pressure axle sleeve is equipped with the notes liquid hole in intermediate layer chamber and intercommunication intermediate layer chamber, the notes hydraulic medium has in the intermediate layer chamber, annotate the liquid hole and install the end cap screw, the fluted disc passes through threaded connection and fixes on the hydraulic pressure axle sleeve, the periphery of fluted disc has a plurality of components of a whole that can function independently teeth of align to grid and the components of a whole that can function independently tooth and be the annular distribution, form between the adjacent components of a whole that can function independently tooth with the tooth's socket of serpentine spring adaptation, serpentine spring installs in the tooth's socket on two half-couplings in turn, the housing cover is two on the half-coupling, the both ends of housing are sealed respectively contradicted in the hydraulic pressure axle sleeve of both sides, still be equipped with the oil filler point on the housing.

In the technical scheme, hydraulic medium can be injected into the interlayer cavity through the injection hole, the plug screw can block and inject the injection hole, the housing is provided with the oil injection hole, lubricating oil can be conveniently injected, the serpentine spring is alternately installed in tooth grooves on the two half-couplers, the two half-couplers can be elastically connected together, the fluted disc is fixedly arranged on the hydraulic shaft sleeve through threaded connection, the practical disassembly and assembly work can be conveniently realized through the threaded connection, the fluted disc can be conveniently replaced when the fluted disc is seriously abraded due to long-term use, the half-couplers adopt a split design and are divided into the hydraulic shaft sleeve and the fluted disc, only the fluted disc needs to be replaced without replacing the hydraulic shaft sleeve when the fluted disc is damaged, the use cost can be effectively reduced, and the product can better meet the actual use requirements.

In order to firmly fix the fluted disc on the hydraulic shaft sleeve, the fluted disc is fixed on the hydraulic shaft sleeve through a plurality of high-strength screws, an annular step groove is formed in the periphery of the hydraulic shaft sleeve, the step groove is matched with the fluted disc, a protruding supporting table is formed on one side of the step groove, a threaded hole in the step groove is formed in the hydraulic shaft sleeve, a counter sink is formed in the fluted disc, and the threaded hole and the counter sink are matched with the high-strength screws.

In order to fix the fluted disc more firmly, an annular clamping groove is arranged in the stepped groove, and an annular boss matched with the annular clamping groove is arranged on the fluted disc.

In order to enable the housing and the hydraulic shaft sleeves to be connected in a better sealing mode, double sealing rings are arranged between the two hydraulic shaft sleeves and the housing.

Preferably, the housing comprises two half shells, the end parts of the two half shells are fixed together through a connecting bolt and a connecting nut, and the half shells are provided with connecting through holes matched with the connecting bolt.

Preferably, the serpentine spring is made of high-quality spring steel.

Preferably, the half shell is integrally formed by aluminum alloy.

To sum up, the utility model discloses beneficial effect does:

1. the half coupling adopts a split design and is divided into the hydraulic shaft sleeve and the fluted disc, and only the fluted disc needs to be replaced without replacing the hydraulic shaft sleeve when the fluted disc is damaged, so that the use cost can be effectively reduced, and the product can better meet the actual use requirement;

2. the annular clamping groove has a limiting effect on the annular boss and can bear certain radial force, the fluted disc and the hydraulic shaft sleeve can be connected more firmly by arranging the annular clamping groove and the annular boss, and the actual requirement can be better met;

3. all set up double seal circle between two hydraulic pressure axle sleeves and the housing, can form better sealed effect between housing and hydraulic pressure axle sleeve like this.

The invention is further described with reference to the accompanying drawings and the detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

the drawing marks comprise 1-serpentine spring, 2-housing, 3-hydraulic shaft sleeve, 4-fluted disc, 5-interlayer cavity, 6-liquid injection hole, 7-plug screw, 8-split tooth, 10-oil injection hole, 11-installation gap, 12-high-strength screw, 13-step groove, 14-support table, 15-threaded hole, 16-counter bore, 17-annular clamping groove, 18-annular boss, 19-first sealing ring, 20-second sealing ring, 21-half shell and 22-connecting through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 3 in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention.

As shown in fig. 1 to 3, the hydraulic serpentine spring coupling disclosed in this embodiment comprises a serpentine spring 1, a housing 2 and two half-couplings, each half-coupling comprises a hydraulic shaft sleeve 3 and a fluted disc 4, the hydraulic shaft sleeve 3 is provided with a liquid injection hole 6 of a sandwich cavity 5 and a communicating sandwich cavity 5, a hydraulic medium is injected in the sandwich cavity 5, the liquid injection hole 6 is provided with a plug screw 7, the fluted disc 4 is fixed on the hydraulic shaft sleeve 3 through threaded connection, the periphery of the fluted disc 4 is provided with a plurality of split teeth 8 which are uniformly arranged, the split teeth 8 are distributed annularly, tooth grooves matched with the serpentine spring 1 are formed between the adjacent split teeth 8, the serpentine spring 1 is alternately arranged in the tooth grooves on the two half-couplings, the housing 2 covers the two half-couplings, and the two ends of the housing 2 are respectively sealed and abutted against the hydraulic shaft sleeves 3 on the two sides, the housing 2 is also provided with an oil filling hole 10.

In the above technical scheme, can pour into the hydraulic medium into intermediate layer chamber 5 through annotating liquid hole 6, end cap screw 7 can the shutoff annotate liquid hole 6, it can be convenient for annotate lubricating oil to set up oil filler point 10 on the housing 2, serpentine spring 1 installs in the tooth's socket on two half-couplings in turn, can be in the same place two half-couplings elastic connection, fluted disc 4 passes through threaded connection and fixes to hydraulic shaft sleeve 3, adopt threaded connection can be convenient for actual dismouting work, fluted disc 4 can conveniently be changed when leading to fluted disc 4 wearing and tearing serious like this to long-term the use, the half-couplings adopts the components of a whole that can function independently design, divide into hydraulic shaft sleeve 3 and fluted disc 4, only need change fluted disc 4 and need not change hydraulic shaft sleeve 3 when fluted disc 4 damages, therefore can reduce use cost effectively, just so can make the product satisfy the in-service use demand better. When the hydraulic shaft sleeve is installed, a small installation gap 11 is formed between the two hydraulic shaft sleeves 3, the tooth form of the split tooth 8 is processed by a four-shaft linkage numerical control machining center, and the special cambered surface and the precision of the tooth form can be guaranteed. The serpentine spring 1, the plug screw 7, the split teeth 8 and the tooth grooves all belong to the prior art, and are not specifically described herein.

In order to firmly fix the fluted disc 4 to the hydraulic shaft sleeve 3, the fluted disc 4 is fixed to the hydraulic shaft sleeve 3 through a plurality of high-strength screws 12, the periphery of the hydraulic shaft sleeve 3 is provided with an annular step groove 13, the step groove 13 is matched with the fluted disc 4, one side of the step groove 13 forms a protruding supporting table 14, a threaded hole 15 in the step groove 13 is formed in the hydraulic shaft sleeve 3, a counter sink 16 is formed in the fluted disc 4, and the threaded hole 15 and the counter sink 16 are matched with the high-strength screws 12. During assembly, the fluted disc 4 is just arranged in the stepped groove 13, the countersunk hole 16 on the fluted disc 4 is aligned to the threaded hole 15 on the hydraulic shaft sleeve 3, then the high-strength screw 12 penetrates through the countersunk hole 16 and is screwed into the threaded hole 15, the fluted disc 4 can be firmly fixed on the hydraulic shaft sleeve 3 after all the high-strength screws 12 are screwed, the support table 14 protrudes outwards to well support the fluted disc 4 and is convenient to arrange the threaded hole 15, the countersunk hole 16 arranged on the fluted disc 4 can facilitate the head of the high-strength screw 12 to sink, and therefore the mounting gap 11 between the two hydraulic shaft sleeves 3 can be reduced during actual mounting. The high-strength screw 12 and the countersunk hole 16 are all in the prior art and are not described in detail herein.

In order to fix the fluted disc 4 more firmly, an annular clamping groove 17 is formed in the stepped groove 13, and an annular boss 18 matched with the annular clamping groove 17 is formed on the fluted disc 4. In this embodiment, two annular clamping grooves 17 are arranged in the step groove 13, two annular bosses 18 are arranged on the fluted disc 4, the fluted disc 4 is clamped into the two annular clamping grooves 17 when being arranged in the step groove 13, the annular clamping grooves 17 limit the annular bosses 18 and can bear certain radial force, the fluted disc 4 can be more firmly connected with the hydraulic shaft sleeve 3 by arranging the annular clamping grooves 17 and the annular bosses 18, and actual requirements can be better met. In this embodiment, the depth of the annular clamping groove 17 is shallow, and the installation is performed by heating, so that the fluted disc 4 can be more conveniently installed in the stepped groove 13 after heating, and the annular boss 18 can be better clamped in the annular clamping groove 17.

In order to enable the housing 2 and the hydraulic shaft sleeves 3 to be better in sealing connection, double sealing rings are arranged between the two hydraulic shaft sleeves 3 and the housing 2. In this embodiment, the both ends of housing 2 all are provided with first seal groove and second seal groove, install first sealing washer 19 in the first seal groove, install second sealing washer 20 in the second seal groove, and first sealing washer 19 and second sealing washer 20 constitute two sealing washers, can form better sealed effect between housing 2 and hydraulic pressure axle sleeve 3. The first sealing ring 19 and the second sealing ring 20 are both rubber sealing rings, which belong to the prior art and are not specifically described herein.

Preferably, the housing 2 includes two half shells 21, ends of the two half shells 21 are fixed together by a connecting bolt and a connecting nut, and the half shells 21 are provided with a connecting through hole 22 adapted to the connecting bolt. When the two half shells 21 are respectively covered on the two half couplings from two sides during assembly, the two half shells 21 are combined together, the connecting through hole 22 on one half shell 21 is opposite to the connecting through hole 22 on the other half shell 21, and then the connecting bolt is penetrated and the connecting nut is screwed, so that the shell 2 can be covered on the outer side of the joint of the two half couplings.

Preferably, the serpentine spring 1 is made of high-quality spring steel. The serpentine spring 1 in this embodiment is made of high-quality spring steel, and the strength and toughness of the material can reach the best applicability through strict heat treatment, which is beneficial to prolonging the service life of the product. The spring steel belongs to the prior art and is not specifically described herein.

Preferably, the half shell 21 is integrally formed of aluminum alloy. In the embodiment, the half shell 21 is integrally formed by 6063 aluminum alloy section, and the 6063 aluminum alloy section is a material with better comprehensive performance, has the characteristics of good strength, corrosion resistance, wear resistance, high temperature resistance, attractiveness and the like, and can well meet the actual use requirements. The material of the half-shell 21 is not limited to 6063 aluminum alloy. The 6063 aluminum alloy section belongs to the prior art, and is not specifically described herein.

The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concept is not limited to this embodiment, and any modification that utilizes the inventive concept is intended to be within the scope of the present patent application.

Claims

1. A hydraulic serpentine spring coupling, its characterized in that: including serpentine spring, housing and two half-couplings, the half-coupling includes hydraulic pressure axle sleeve and fluted disc, hydraulic pressure axle sleeve is equipped with the notes liquid hole in intermediate layer chamber and intercommunication intermediate layer chamber, the hydraulic medium has been annotated to the intermediate layer intracavity, it installs the end cap screw to annotate the liquid hole, the fluted disc passes through threaded connection and fixes on the hydraulic pressure axle sleeve, the periphery of fluted disc has a plurality of components of a whole that can function independently teeth of align to grid and the components of a whole that can function independently tooth and be the annular and distribute, form between the adjacent components of a whole that can function independently tooth with the tooth's socket of serpentine spring adaptation, serpentine spring installs in the tooth's socket on two half-couplings in turn, the housing cover is two on the half-coupling, the both ends of housing are sealed respectively contradicted in the hydraulic pressure axle sleeve of both sides, still be equipped with the oil filler point on the housing.

2. The hydraulic serpentine spring coupling of claim 1, wherein: the fluted disc is fixed to the hydraulic shaft through a plurality of high-strength screws and is sheathe in, the periphery of hydraulic shaft is equipped with annular step groove, the step groove with the fluted disc adaptation, one side in step groove forms outstanding brace table, be equipped with on the hydraulic shaft cover and be located the threaded hole of step inslot, be equipped with the counter sink on the fluted disc, threaded hole and counter sink all with the screw adaptation that excels in.

3. The hydraulic serpentine spring coupling of claim 2, wherein: the step groove is internally provided with an annular clamping groove, and the fluted disc is provided with an annular boss matched with the annular clamping groove.

4. A hydraulic serpentine spring coupling according to claim 2 or 3, wherein: two hydraulic pressure axle sleeve with all set up double seal circle between the housing.

5. The hydraulic serpentine spring coupling of claim 4, wherein: the housing includes two half shells, two the tip of half shell is fixed together through connecting bolt and coupling nut, be equipped with on the half shell with the connect the through-hole of connecting bolt adaptation.

6. The hydraulic serpentine spring coupling of claim 5, wherein: the serpentine spring is made of high-quality spring steel.

7. The hydraulic serpentine spring coupling of claim 6, wherein: the half shells are integrally formed by aluminum alloy.