CN105465034A - Bound type straight connecting shaft - Google Patents
Bound type straight connecting shaft Download PDFInfo
- Publication number
- CN105465034A CN105465034A CN201511012999.2A CN201511012999A CN105465034A CN 105465034 A CN105465034 A CN 105465034A CN 201511012999 A CN201511012999 A CN 201511012999A CN 105465034 A CN105465034 A CN 105465034A
- Authority
- CN
- China
- Prior art keywords
- sleeve end
- direct
- straight connecting
- connecting shaft
- connected axle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
- F04D29/044—Arrangements for joining or assembling shafts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a bound type straight connecting shaft. According to the bound type straight connecting shaft, a straight connecting shaft body is utilized as a carrier, a pair of matched half hoops are arranged on the outer wall of the shaft sleeve end of the straight connecting shaft body, and the shaft sleeve end of the straight connecting shaft body is bound by the half hoops locked by bolts. A longitudinal open groove is formed in the sleeve wall of the shaft sleeve end of the straight connecting shaft body, and an inwards-concave annular groove where the half hoops are embedded is formed in the outer wall of the opening portion of the shaft sleeve end. As the open groove is formed in the shaft sleeve end of the straight connecting shaft body, corresponding fine deformation can be generated according to different stressed degrees of the half hoops. When the bolts are unscrewed, the shaft end of a matched motor can be inserted in conveniently. When the bolts are screwed, the shaft sleeve end is forced to directly bind the extending-out shaft end of a built-in motor. The bound type straight connecting shaft is simple in structure, especially suitable for marine pumps and capable of avoiding destructive disassembling. In addition, the tightness of the bound type straight connecting shaft is easy to adjust, the maintaining efficiency is greatly improved, and the maintaining cost is saved.
Description
Technical field
The present invention relates to a kind of shaft member, specifically, the present invention relates to a kind of direct-connected axle of fastening type be connected with necessary electromotor axle head for the direct-connected axle, particularly a kind of water pump of two concentric shafts connections.
Background technique
Direct-connected axle belongs to a kind of conventional machinery driving component, and its structure is simple, it is easy, easy for installation to make, it is reliable to connect, and has been widely used in the connection of the devices such as water pump, blower fan, speed reducer, air compressor and necessary electromotor.Traditional direct-connected axle is axle head and axle sleeve integral structure, and integrally-built axle sleeve directly and the overhanging axle head fit of necessary electromotor.In reality, most of direct-connected axles are positioned at the connecting part of device and necessary electromotor, are in revealing condition for a long time.In order to avoid direct-connected axle surface laying dust, incrustation with get rusty in engineering, require regularly to give necessary maintenance.But marine equipment environment is special, particularly water pump mounting point peculiar to vessel is usually among cabin, and because of present position narrow space, pipeline gathers, and is difficult to carry out normal maintenance.Another aspect is the working medium of most of water pump peculiar to vessel is seawater, and direct-connected axle and the overhanging axle head of necessary electromotor are subject to seawater corrosion.Once water pump peculiar to vessel or necessary electromotor are damaged, maintenance needs to take apart as separation property, because the direct-connected axle of tradition is integrally-built axle sleeve, some application phases are long, the direct-connected axle axle sleeve that corrosion is serious and necessary electromotor axle head bond, instrument can not normal separation by hand, can only take destructive dismounting, the obvious adding users maintenance cost of destructive dismounting.For this floating carrier of boats and ships, the promptness changing accessory is often very poor, easily causes the loss that delays work.
Summary of the invention
The present invention is mainly for the deficiency of the built-in overall structure axle sleeve of direct-connected axle of conventional construction, particularly be difficult to the problem dismantled after axle sleeve and the overhanging axle head corrosion of necessary electromotor, propose a kind of coaxial connect precision high, connect the direct-connected axle of reliable, easy-to-dismount fastening type, the built-in sleeve end of this axle has radial micro-deformation ability and radial locking mechanism.
The present invention is achieved through the following technical solutions technical goal.
The direct-connected axle of fastening type, it is with direct-connected axle for carrier, and install at the sleeve end outer wall of direct-connected axle the anchor ear be harmonious for a pair, half anchor ear be directly tightened by bolts tightens the sleeve end of direct-connected axle.Described half anchor ear is semi-annular shape component, and both sides are provided with overhanging ear along bottom plane, and overhanging ear is provided with the through hole of construction bolt, and another side is provided with the screw settling bolt.Its improvements are: the sleeve end jacket wall of described direct-connected axle is provided with a vertical opening slot, and opening slot runs through jacket wall, and sleeve end oral area outer wall is provided with the circular groove of indent, setting-in half anchor ear in circular groove.The overhanging eardrum plane on described half anchor ear both sides is in a segment distance on inner circle horizontal central line line, its gap h=2 ~ 4mm.
As further improvement project, the sleeve end jacket wall of described direct-connected axle is provided with the longitudinal opening groove of a groove width C=2 ~ 5mm.
As further improvement project, described sleeve end oral area outer wall is provided with the annular groove of groove depth b=3 ~ 6mm.
The present invention compared with prior art, has following good effect:
1, make full use of material, the micro-elastic deformability of structure and spiral locking principle, reach the direct-connected axle of fastening type and easily fill readily removable object, and connect precision high, connect reliable;
2, half anchor ear be harmonious for a pair that is tightened by bolts directly restraints the sleeve end of direct-connected axle, and it is convenient that degree of tightness regulates, greatly convenient for maintaining dismounting, avoid completely destructive dismounting problem occurs, greatly improve maintenance efficiency, save maintenance cost, reduce unnecessary economic loss.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is Figure 1A-A sectional drawing.
Fig. 3 is half hooping structure generalized section in Fig. 1.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, the invention will be further described.
The direct-connected axle embodiment of fastening type shown in Fig. 1, it is the link of the overhanging axle head of centrifugal pump and necessary electromotor.The direct-connected axle of fastening type for carrier, is provided with one section annular groove at the sleeve end oral area outer wall of direct-connected axle 1 with direct-connected axle, setting-in a pair half anchor ear 2 as shown in Figure 3 in this annular groove.The present embodiment because of supporting specification less, coupling mechanism force is corresponding also less, therefore the hollow depth of annular groove made is more shallow, and groove hollow depth b value 2.5mm is just enough to the setting-in requirement of satisfied half anchor ear 2.Be embedded in annular groove with half anchor ear 2 that is harmonious for a pair that bolt 3 is locked, play the sleeve end effect of tightening direct-connected axle 1.The present invention is provided with an opening slot 1.1 as depicted in figs. 1 and 2 on the sleeve end jacket wall of direct-connected axle 1, and opening slot 1.1 longitudinally runs through jacket wall, makes sleeve end endoporus still keep circular.The present embodiment sleeve end internal orifice dimension only 30mm, therefore the width C value 1.5mm of opening slot 1.1.The sleeve end of direct-connected axle 1 is offered an opening slot 1.1 and is naturally reduced some radial rigidities, and greatly promote elastic deformability, be convenient to the compression degree generation corresponding micro-resiliently deformable of sleeve end with half anchor ear 2, unscrew bolt 3 and be convenient to the overhanging axle head insertion of necessary electromotor, screwing bolts 3 forces sleeve end directly to tighten the overhanging axle head of built-in motor, realizes coaxial connection and shaft coupling transmission.Described half anchor ear 2 is semi-annular shape component, and both sides are provided with overhanging ear along bottom plane, and overhanging ear is provided with the through hole of construction bolt 3, and another side is provided with the screw of construction bolt 3.The inner circle radius of half anchor ear 2 is equal with the sleeve end outer wall annular groove external diameter of direct-connected axle 1, half anchor ear 2 for the ease of to be harmonious for a pair effectively tightens the sleeve end of direct-connected axle 1, the overhanging eardrum plane on half anchor ear 2 both sides is in a segment distance on inner circle horizontal centre, this distance h value 1.2mm is proper for the present embodiment, neither reduce rigidity and the intensity of half anchor ear 2, preset clearance is convenient to regulate binding force again.
During as installed of the present invention, half anchor ear 2 that is first harmonious a pair that is furnished with bolt 3 is fitted in the annular groove of straight continuous axle 1, and preliminary screw-in bolt 3, makes half anchor ear 2 be in relaxed state, can accomplish the accessible insertion of the axle head of necessary electromotor like this.Then screwing bolts 3 forces half anchor ear 2 to tighten the sleeve end of direct-connected axle 1, is provided with the sleeve end micro-resiliently deformable of stressed rear generation of opening slot 1.1 and tightens built-in necessary electromotor axle head, thus realizing pump and necessary electromotor coaxial transmission.Maybe need maintenance once generation corrosion after operation, as long as unscrew bolt 3, half anchor ear 2 cease to bind, the sleeve end of direct-connected axle 1 recovers initial shape in the presence of a tensile force, and the axle head being convenient to necessary electromotor easily exits.Structure of the present invention is simple, and technique effect is fairly obvious, is particularly suitable for marine pump supporting, can avoid destructive dismounting occurs, and greatly improves maintenance efficiency, saves maintenance cost.
Claims (3)
1. the direct-connected axle of fastening type, it is with direct-connected axle (1) for carrier, and install at the sleeve end outer wall of direct-connected axle (1) anchor ear (2) be harmonious for a pair, half anchor ear (2) directly using bolt (3) to lock tightens the sleeve end of direct-connected axle (1); Described half anchor ear (2) is semi-annular shape component, and both sides are provided with overhanging ear along bottom plane, and overhanging ear is provided with the through hole of construction bolt (3), and another side is provided with the screw settling bolt (3); It is characterized in that: the sleeve end jacket wall of described direct-connected axle (1) is provided with a vertical opening slot (1.1), and opening slot (1.1) runs through jacket wall, and sleeve end oral area outer wall is provided with the circular groove of indent, setting-in half anchor ear (2) in circular groove; The overhanging eardrum plane on described half anchor ear (2) both sides is in a segment distance on inner circle horizontal central line line, its gap h=2 ~ 4mm.
2. the direct-connected axle of fastening type according to claim 1, is characterized in that: the sleeve end jacket wall of described direct-connected axle (1) is provided with the longitudinal opening groove (1.1) of a groove width C=2 ~ 5mm.
3. the direct-connected axle of fastening type according to claim 1, is characterized in that: described sleeve end oral area outer wall is provided with the annular groove of groove depth b=3 ~ 6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511012999.2A CN105465034A (en) | 2015-12-31 | 2015-12-31 | Bound type straight connecting shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511012999.2A CN105465034A (en) | 2015-12-31 | 2015-12-31 | Bound type straight connecting shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105465034A true CN105465034A (en) | 2016-04-06 |
Family
ID=55603097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511012999.2A Pending CN105465034A (en) | 2015-12-31 | 2015-12-31 | Bound type straight connecting shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105465034A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4432558A (en) * | 1978-01-03 | 1984-02-21 | Westerlund Robert E | Concrete pumping swivel coupling apparatus with seal |
| CN201347880Y (en) * | 2008-12-24 | 2009-11-18 | 山东双轮集团股份有限公司 | Pump shaft |
| CN201771827U (en) * | 2010-07-13 | 2011-03-23 | 山东双轮股份有限公司 | Rigid pump shaft easy to dismount |
| CN202157990U (en) * | 2011-06-14 | 2012-03-07 | 上海连成（集团）有限公司 | Novel fastening structure for vertical packingless pump shaft |
| CN202851428U (en) * | 2012-08-22 | 2013-04-03 | 威乐(中国)水泵***有限公司 | Double-clip type solid coupling |
| CN205298023U (en) * | 2015-12-31 | 2016-06-08 | 江苏振华泵业制造有限公司 | Formula of tightening directly links axle |
-
2015
- 2015-12-31 CN CN201511012999.2A patent/CN105465034A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4432558A (en) * | 1978-01-03 | 1984-02-21 | Westerlund Robert E | Concrete pumping swivel coupling apparatus with seal |
| CN201347880Y (en) * | 2008-12-24 | 2009-11-18 | 山东双轮集团股份有限公司 | Pump shaft |
| CN201771827U (en) * | 2010-07-13 | 2011-03-23 | 山东双轮股份有限公司 | Rigid pump shaft easy to dismount |
| CN202157990U (en) * | 2011-06-14 | 2012-03-07 | 上海连成（集团）有限公司 | Novel fastening structure for vertical packingless pump shaft |
| CN202851428U (en) * | 2012-08-22 | 2013-04-03 | 威乐(中国)水泵***有限公司 | Double-clip type solid coupling |
| CN205298023U (en) * | 2015-12-31 | 2016-06-08 | 江苏振华泵业制造有限公司 | Formula of tightening directly links axle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 225500, 9 Jiangyan Road, Jiangyan Economic Development Zone, Jiangsu, Taizhou (Jiangsu Zhenhua pump industry) Applicant after: Jiangsu Zhenhua pump Limited by Share Ltd Address before: 225500 Jiangsu Zhenhua Pump Manufacturing Co., Ltd., Jiangyan Road, Jiangyan District, Jiangsu, Taizhou 9 Applicant before: Jiangsu Zhenhua Pump Industry Manufacturing Co., Ltd. |
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| COR | Change of bibliographic data | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160406 |
|
| WD01 | Invention patent application deemed withdrawn after publication |