CN201794940U - Tension device - Google Patents

Tension device Download PDF

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Publication number
CN201794940U
CN201794940U CN2010205361427U CN201020536142U CN201794940U CN 201794940 U CN201794940 U CN 201794940U CN 2010205361427 U CN2010205361427 U CN 2010205361427U CN 201020536142 U CN201020536142 U CN 201020536142U CN 201794940 U CN201794940 U CN 201794940U
Authority
CN
China
Prior art keywords
overcoat
hole
axial
interior
belt tensioner
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.)
Expired - Fee Related
Application number
CN2010205361427U
Other languages
Chinese (zh)
Inventor
沈康
田世其
徐晓晨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baosteel Special Steel Co Ltd
Original Assignee
Baoshan Iron and Steel Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Baoshan Iron and Steel Co Ltd filed Critical Baoshan Iron and Steel Co Ltd
Priority to CN2010205361427U priority Critical patent/CN201794940U/en
Application granted granted Critical
Publication of CN201794940U publication Critical patent/CN201794940U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a tension device, which is used for connecting a wheel and a shaft. The tension device comprises an outer sleeve with a certain axial thickness and an inner sleeve with a certain axial thickness, wherein the inner hole of the outer sleeve is a conical hole; the outer sleeve wall of the outer sleeve is provided with an axial outer sleeve groove; the outer sleeve groove is communicated with the conical hole; the inner sleeve comprises a disc-shaped head part and a conical tail part; the conical tail part is embedded in the outer sleeve and is matched with the conical hole of the outer sleeve; the inner hole of the inner sleeve is a circular hole; the inner sleeve wall of the inner sleeve is provided with an axial inner sleeve groove; and the inner sleeve groove is communicated with the circular hole. The tension device can realize rapid and convenient detachment of the wheel and the shaft without damaging related mechanical elements.

Description

A kind of belt tensioner
Technical field
The utility model relates to a kind of connection set, relates in particular to a kind of connection set that axle is connected with wheel that is used for.
Background technique
At mechanical field, axle is a kind of very general mode with taking turns being connected of (belt wheel, sprocket wheel etc.), can not become flexible after connecting in order to make axle, wheel, generally can take key to connect or the employing interference fit.
Adopt key carry out fixedly connected can transfer larger torque, but moment of torsion can damage component such as key, axle after being increased to certain value.
Interference fit is meant on wheel opens a hole, and the undersized in hole is in the size of axle.When mounted,, therefore need in advance independent heat treated is carried out in the hole, expanded in the hole, thereby axle can be installed in the hole because the size in hole can't directly be installed less than the size of axle.Adopt this method, though the installation of carrying out that can be more convenient axle, wheel.But just relatively more difficult during dismounting, because can't carry out independent heat treated, be installed on the axle in case take turns to wheel, when wheel was heated, heat passed to axle simultaneously, and axle is expanded synchronously, so dismantled relatively difficulty.In addition, adopt interference fit, after moment of torsion is increased to certain value, the turnover of can skidding between wheel and the axle.
Summary of the invention
The purpose of this utility model provides a kind of belt tensioner, it is simple in structure, is used to realize axle and being connected of taking turns, and it can transfer larger torque, and can overcome the not easily detachable shortcoming that the interference fit connection causes, just not realize axle and the fast quick-detach of taking turns thereby axle and wheel are not destroyed.
In order to realize the foregoing invention purpose, the utility model provides a kind of belt tensioner, is used for axle and being connected of taking turns, and this belt tensioner comprises:
One has the overcoat of certain axial thickness, and the endoporus of described overcoat is a cone shape hole, has an axial outer grooving on the overcoat wall of described overcoat, and described outer grooving and cone shape hole are conducted;
One has the interior cover of certain axial thickness, comprise a discoid head and a tapered tail, described tapered tail is nested in the described overcoat, the cone shape hole of described tapered tail and described overcoat is complementary, the endoporus of cover is a circular port in described, have an axial interior grooving on the interior jacket wall of cover in described, described interior grooving and circular port are conducted.
Belt tensioner described in the utility model, by interior cover and the overcoat that the conical surface connects is set, and interior cover and put the axial groove of setting outward, change existing interference fit of expanding with heat and contract with cold into utilize the metallic elastic deformation principle to design interference fit connection set.In the time will realizing being connected of axle and wheel, as long as overcoat is packed in the central shaft hole of wheel, in axle is packed in the circular inner hole of cover, just can by this belt tensioner realize wheel with spool be connected.Since overcoat with in put and be equipped with axial groove, so the amplification that all can realize diameter of overcoat and interior cover with dwindle.When the needs tensioner, the axial feeding of cover and overcoat in increasing, overcoat just can be realized diameter expansion under the effect of expanding force, thereby realizes that axle is connected with the interference fit of wheel; When needs disassemble on the axle trailing wheel, the axial feeding of cover and overcoat in only need reducing, the diameter of overcoat diminishes, thereby will unload on the axle trailing wheel.
Preferably, the discoid head of described interior cover along the circumferential direction has some axial holes, and described putting corresponding shaft is provided with some tapped holes to the position of through hole outward, and some bolt correspondences run through described axial hole, are threaded with each tapped hole.These bolts are used to realize the axially adjusting of the relative amount of feed between overcoat and the interior cover.
Preferably, the thread rotary orientation of adjacent two tapped holes is opposite, thereby is convenient to tightening and unscrewing of bolt.
Preferably, the discoid head of described interior cover is provided with at least one dismounting screw that axially is provided with, at least one demounting bolt and the corresponding connection of described dismounting screw.When between interior cover and the overcoat during nested tension, can adopt demounting bolt that the overcoat end is applied a thrust, thereby interior cover is ejected from overcoat.
Belt tensioner described in the utility model makes it have following advantage than the existing axle and the connection set of wheel realized by adopting technique scheme:
1. belt tensioner described in the utility model is simple in structure, is convenient to realize and axle and being connected of taking turns;
2. belt tensioner described in the utility model can be realized the transmission of high pulling torque;
3. belt tensioner described in the utility model can be realized axle and quick mounting and the dismounting taken turns, and can not produce destruction to the associated mechanical element.
Description of drawings
Come belt tensioner described in the utility model is described further below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation of belt tensioner described in the utility model.
Fig. 2 is the structural representation of pull rod shaft in the side view of Fig. 1 bearing disassembling device described in the utility model.
Fig. 3 is a jacket structure schematic representation in the belt tensioner described in the utility model.
Fig. 4 is the side view of Fig. 3.
Fig. 5 is the user mode figure of belt tensioner described in the utility model.
Embodiment
As depicted in figs. 1 and 2, this belt tensioner comprises: interior cover 1, it comprises a discoid head and a tapered tail, the tapered tail of interior cover 1 is nested in the overcoat 2, the endoporus of overcoat 2 is a cone shape hole, and the cone shape hole of the tapered tail of interior cover 1 and overcoat 2 is complementary, and the endoporus of interior cover 1 is a circular port, be used for installation shaft, have an axial interior grooving 13 on the interior jacket wall of interior cover 1.The discoid head of interior cover 1 along the circumferential direction has 6 axial holes 11, and the position of corresponding axial hole 11 is provided with 6 tapped holes on the overcoat 2, and 6 bolt 3 correspondences run through axial hole 11, are threaded with each tapped hole.The discoid head of interior cover 1 along the circumferential direction also is provided with two dismounting screws 12 that axially are provided with, and is used for the installing/dismounting bolt.When between interior cover 1 and the overcoat 2 during nested tension, can adopt demounting bolt that the end of overcoat 2 is applied a thrust, thereby interior cover 1 is ejected from overcoat 2.
As shown in Figure 3 and Figure 4, the endoporus of overcoat 2 is a cone shape hole, and to have a thread rotary orientation of 6 tapped hole 21, two adjacent tapped holes that axially are provided with opposite in the position of corresponding axial hole on the overcoat 2.Have an axial outer grooving 22 on the overcoat wall of overcoat 2, outer grooving 22 and cone shape hole conducting.
As shown in Figure 5, this belt tensioner is installed on axle 5 in the interior cover 1 in use, interior cover 1 is nested in the overcoat 2, screw bolt 3 and make the distance between the interior edge face of the exterior edge face of overcoat 2 and interior cover 1 dwindle, thereby the diameter of overcoat 2 is risen greatly, realize that axle 5 is connected with the interference fit of taking turns 4.When needs take apart in axle 5 trailing wheels 4, unscrew bolt 3, and demounting bolt is screwed in the dismounting screw, thereby apply a thrust for the exterior edge face of overcoat 2, interior cover 1 is extracted from the cone-shaped inner hole of overcoat 2, realize that axle 5 separates with the dismounting of wheel.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model the above embodiment's variation, modification.

Claims (4)

1. a belt tensioner is used for axle and being connected of taking turns, and it is characterized in that comprising:
One has the overcoat of certain axial thickness, and the endoporus of described overcoat is a cone shape hole, has an axial outer grooving on the overcoat wall of described overcoat, and described outer grooving and cone shape hole are conducted;
One has the interior cover of certain axial thickness, comprise a discoid head and a tapered tail, described tapered tail is nested in the described overcoat, the cone shape hole of described tapered tail and described overcoat is complementary, the endoporus of cover is a circular port in described, have an axial interior grooving on the interior jacket wall of cover in described, described interior grooving and circular port are conducted.
2. belt tensioner as claimed in claim 1, it is characterized in that the discoid head of described interior cover along the circumferential direction has some axial holes, described putting corresponding shaft is provided with some tapped holes to the position of through hole outward, some bolt correspondences run through described axial hole, are threaded with each tapped hole.
3. belt tensioner as claimed in claim 2 is characterized in that the thread rotary orientation of adjacent two tapped holes is opposite.
4. belt tensioner as claimed in claim 3 is characterized in that, the discoid head of described interior cover is provided with at least one dismounting screw that axially is provided with, at least one demounting bolt and the corresponding connection of described dismounting screw.
CN2010205361427U 2010-09-20 2010-09-20 Tension device Expired - Fee Related CN201794940U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205361427U CN201794940U (en) 2010-09-20 2010-09-20 Tension device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010205361427U CN201794940U (en) 2010-09-20 2010-09-20 Tension device

Publications (1)

Publication Number Publication Date
CN201794940U true CN201794940U (en) 2011-04-13

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ID=43849849

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010205361427U Expired - Fee Related CN201794940U (en) 2010-09-20 2010-09-20 Tension device

Country Status (1)

Country Link
CN (1) CN201794940U (en)

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105565050A (en) * 2016-02-19 2016-05-11 任超 Transmission roller
CN107701677A (en) * 2017-10-30 2018-02-16 徐州市工大三森科技有限公司 Unidirectional limiter helical structure
CN107947461A (en) * 2017-10-10 2018-04-20 大连钰霖电机有限公司 Motor and dynamical system
CN108262765A (en) * 2016-12-30 2018-07-10 中国科学院沈阳自动化研究所 A kind of expander tool that operation is screwed available for manipulator
CN108396665A (en) * 2018-05-21 2018-08-14 王智博 A kind of bridge strengthening device
CN108687651A (en) * 2018-05-21 2018-10-23 王海兰 A kind of metal machining equipment of low stain
CN108711275A (en) * 2018-05-21 2018-10-26 深圳市佰泽电子有限公司 A kind of radio reception device
CN108710258A (en) * 2018-05-21 2018-10-26 深圳市云海易联电子有限公司 A kind of projection device
CN108723906A (en) * 2018-05-21 2018-11-02 广州益为科技有限公司 A kind of metal machining equipment of intelligent control
CN108755450A (en) * 2018-05-21 2018-11-06 广州正辉科技有限公司 A kind of high-performance bridge bracing means
CN108755451A (en) * 2018-05-21 2018-11-06 广州正辉科技有限公司 A kind of high performance bridge strengthening device
CN108785782A (en) * 2018-05-21 2018-11-13 广州立杏科技有限公司 A kind of cleaning wound chlorination equipment of clinical care
CN108801592A (en) * 2018-05-21 2018-11-13 广州上龙智能科技有限公司 A kind of high suction projection device
CN108789207A (en) * 2018-05-21 2018-11-13 深圳深略智慧信息服务有限公司 A kind of intelligent Information Collection equipment
CN108829141A (en) * 2018-05-21 2018-11-16 广州上龙智能科技有限公司 A kind of projection device of high suction
CN108838804A (en) * 2018-05-21 2018-11-20 广州益为科技有限公司 A kind of intelligent metal machining equipment
CN108853630A (en) * 2018-05-21 2018-11-23 河南科技大学第附属医院 A kind of clinical care cleaning wound chlorination equipment
CN108971661A (en) * 2018-05-21 2018-12-11 马爱丽 A kind of non-destructive testing device in manufacturing process
CN109027545A (en) * 2018-05-21 2018-12-18 广州轻舟科技有限公司 A kind of intelligent information collecting device
CN113107850A (en) * 2021-05-27 2021-07-13 威鹏晟(山东)真空技术有限公司 Oblique roots screw composite vacuum pump

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105565050A (en) * 2016-02-19 2016-05-11 任超 Transmission roller
CN108262765A (en) * 2016-12-30 2018-07-10 中国科学院沈阳自动化研究所 A kind of expander tool that operation is screwed available for manipulator
CN107947461A (en) * 2017-10-10 2018-04-20 大连钰霖电机有限公司 Motor and dynamical system
CN107947460A (en) * 2017-10-10 2018-04-20 大连钰霖电机有限公司 Motor and dynamical system
CN107939849A (en) * 2017-10-10 2018-04-20 大连钰霖电机有限公司 Expansion sleeve and motor
CN107701677A (en) * 2017-10-30 2018-02-16 徐州市工大三森科技有限公司 Unidirectional limiter helical structure
CN108723906A (en) * 2018-05-21 2018-11-02 广州益为科技有限公司 A kind of metal machining equipment of intelligent control
CN108785782A (en) * 2018-05-21 2018-11-13 广州立杏科技有限公司 A kind of cleaning wound chlorination equipment of clinical care
CN108711275A (en) * 2018-05-21 2018-10-26 深圳市佰泽电子有限公司 A kind of radio reception device
CN108710258A (en) * 2018-05-21 2018-10-26 深圳市云海易联电子有限公司 A kind of projection device
CN108396665A (en) * 2018-05-21 2018-08-14 王智博 A kind of bridge strengthening device
CN108755450A (en) * 2018-05-21 2018-11-06 广州正辉科技有限公司 A kind of high-performance bridge bracing means
CN108755451A (en) * 2018-05-21 2018-11-06 广州正辉科技有限公司 A kind of high performance bridge strengthening device
CN108687651A (en) * 2018-05-21 2018-10-23 王海兰 A kind of metal machining equipment of low stain
CN108801592A (en) * 2018-05-21 2018-11-13 广州上龙智能科技有限公司 A kind of high suction projection device
CN108789207A (en) * 2018-05-21 2018-11-13 深圳深略智慧信息服务有限公司 A kind of intelligent Information Collection equipment
CN108829141A (en) * 2018-05-21 2018-11-16 广州上龙智能科技有限公司 A kind of projection device of high suction
CN108838804A (en) * 2018-05-21 2018-11-20 广州益为科技有限公司 A kind of intelligent metal machining equipment
CN108853630A (en) * 2018-05-21 2018-11-23 河南科技大学第附属医院 A kind of clinical care cleaning wound chlorination equipment
CN108971661A (en) * 2018-05-21 2018-12-11 马爱丽 A kind of non-destructive testing device in manufacturing process
CN109027545A (en) * 2018-05-21 2018-12-18 广州轻舟科技有限公司 A kind of intelligent information collecting device
CN113107850A (en) * 2021-05-27 2021-07-13 威鹏晟(山东)真空技术有限公司 Oblique roots screw composite vacuum pump

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: BAOSTEEL SPECIAL STEEL CO., LTD.

Free format text: FORMER OWNER: BAOSHAN IRON + STEEL CO., LTD.

Effective date: 20140128

COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 201900 BAOSHAN, SHANGHAI TO: 200940 BAOSHAN, SHANGHAI

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20140128

Address after: 200940 Baoshan District aquatic Road, Shanghai, No. 1269

Patentee after: BAOSTEEL SPECIALSTEEL CO., LTD.

Address before: 201900 Shanghai City, Baoshan District Mudanjiang Road No. 1813 South

Patentee before: Baoshan Iron & Steel Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110413

Termination date: 20190920