CN108679177B - Open hold-in range overspeed device tensioner - Google Patents
Open hold-in range overspeed device tensioner Download PDFInfo
- Publication number
- CN108679177B CN108679177B CN201810621715.7A CN201810621715A CN108679177B CN 108679177 B CN108679177 B CN 108679177B CN 201810621715 A CN201810621715 A CN 201810621715A CN 108679177 B CN108679177 B CN 108679177B
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- handle
- sliding block
- mounting seats
- shaft mounting
- 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.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H7/0848—Means for varying tension of belts, ropes, or chains with means for impeding reverse motion
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The application discloses an open synchronous belt tensioning device, which comprises a base, a handle, a connecting rod, a sliding block and a pressing block, wherein the rear part of the upper surface of the base is provided with two first rotating shaft mounting seats, and the middle front part of the upper surface of the base is provided with a sliding groove; the sliding block is arranged in the sliding groove, and two third rotating shaft mounting seats are arranged at the rear part of the upper surface of the sliding block; a first rotating shaft is arranged between the two first rotating shaft mounting seats through a first lock nut, and the connecting part of the handle is arranged on the first rotating shaft; the connecting rod is characterized in that a third rotating shaft is arranged between the two third rotating shaft mounting seats through a third lock nut, the connecting end of a sliding block of the connecting rod is arranged on the third rotating shaft, the connecting end of a handle of the connecting rod is movably connected with the connecting part of the handle through the cooperation of a second rotating shaft, a shaft sleeve and a second lock nut, and a pressing block is arranged at the middle front part of the upper surface of the sliding block. The application has small volume, convenient operation and lasting tensioning effect, and is particularly suitable for secondary tensioning adjustment of the synchronous belt.
Description
Technical Field
The application relates to the field of medical equipment and instruments, in particular to an open synchronous belt tensioning device applied to nuclear magnetic resonance or CT equipment.
Background
Nuclear magnetic resonance machines and CT machines have become common medical equipment, and patients typically need to be transported to the equipment for irradiation by moving the bed. However, since the nuclear magnetic resonance machine and the CT machine can not have metal objects during working, the moving bed adopts synchronous belt for transmission. The synchronous belt needs to be kept in a tight state to effectively provide driving force for the moving bed, the traditional method is to adopt a tensioning wheel, the volume of the tensioning wheel mechanism is large, the space of the nuclear magnetic resonance machine and the CT machine is limited, the nuclear magnetic resonance machine and the CT machine form conflict, the synchronous belt has the problem of loosening after being used for a period of time, and the tensioning wheel is difficult to adjust for secondary tensioning of the synchronous belt.
Disclosure of Invention
The application aims to provide an open synchronous belt tensioning device which overcomes the defects of large volume, difficult secondary adjustment, poor tensioning effect and the like of the device in the existing nuclear magnetic resonance/CT machine.
In order to solve the technical problems and achieve the technical effects, the application is realized by the following technical scheme:
the open type synchronous belt tensioning device comprises a base, a handle, a connecting rod, a sliding block and a pressing block, wherein two first rotating shaft mounting seats are arranged at the rear part of the upper surface of the base, and a sliding groove is formed in the middle front part of the upper surface of the base; the sliding block is movably arranged in the sliding groove, two third rotating shaft mounting seats are arranged at the rear part of the upper surface of the sliding block, and the two first rotating shaft mounting seats and the two third rotating shaft mounting seats jointly form a channel for the synchronous belt to move forwards and backwards; a first rotating shaft is arranged between the two first rotating shaft mounting seats through a first locking nut, and the connecting part of the handle is rotatably mounted on the first rotating shaft; a third rotating shaft is arranged between the two third rotating shaft mounting seats through a third lock nut, the connecting end of the sliding block of the connecting rod is rotatably arranged on the third rotating shaft, the connecting end of the handle of the connecting rod is movably connected with the connecting part of the handle through the cooperation of the second rotating shaft, the shaft sleeve and the second lock nut, and the pressing block is detachably arranged at the middle front part of the upper surface of the sliding block; the slider moves to the rear end of the chute when the handle is lifted and to the front end of the chute when the handle is depressed.
Further, the distance between the two first rotating shaft mounting seats is equal to the distance between the two third rotating shaft mounting seats, and the distances are larger than the width of the synchronous belt, so that the synchronous belt can smoothly pass through the device.
Further, the upper surface of the sliding block is flush with the upper surface of the base, so that the synchronous belt is ensured not to interfere when being pulled forward.
Further, the length of the sliding groove is larger than that of the sliding block so as to meet the stroke requirement of the sliding block.
Further, the part of the upper surface of the sliding block, which is in contact with the pressing block, is provided with an anti-skid groove, the anti-skid groove can be meshed with the insection of the lower surface of the synchronous belt, and the synchronous belt can be more effectively prevented from retracting by matching with the pressing block.
Furthermore, the pressing block is arranged at the front part of the upper surface of the sliding block through a locking screw, so that the sliding block can be conveniently and rapidly loosened.
Further, a top block is arranged on the inner side of the connecting part of the handle, and when the handle is pressed down, the top block contacts with the rear end face of the connecting end of the connecting rod handle to prop against the connecting rod, so that the sliding block is more effectively prevented from moving backwards in the sliding groove.
Further, one side of the front portion of the upper surface of the base is provided with a limit screw mounting seat, a limit screw is arranged in the limit screw mounting seat, and when the handle is pressed down, the limit screw penetrates into a limit hole in the handle grip portion to lock the handle.
When needs carry out secondary tensioning to the hold-in range, draw out limit screw from the handle earlier to carry the handle to vertical position, the slider passes through the drive of connecting rod this moment, moves to the rear portion of spout, the hold-in range becomes more lax, then unscrew the briquetting on the slider, and pull tightly the hold-in range forward, screw up the briquetting and push down the hold-in range, then push down the handle to horizontal position, the slider passes through the promotion of connecting rod this moment, remove to the front portion of spout, and lock the location in spout front portion because of lever principle, the hold-in range becomes more tight and difficult the shrink, insert the handle with limit screw at last, lock the handle makes it can't be easily by the spanner, once tensioning is adjusted and is accomplished.
The beneficial effects of the application are as follows:
according to the application, the synchronous belt is tightly pressed on the sliding block through the pressing block, and then the sliding block is tightly fixed at the forefront end of the base through the lever principle, so that the synchronous belt is effectively tensioned. The application has small volume, convenient operation and lasting tensioning effect, and is particularly suitable for secondary tensioning adjustment of the synchronous belt.
The foregoing description is only an overview of the present application, and is intended to provide a better understanding of the present application, as it is embodied in the following description, with reference to the preferred embodiments of the present application and the accompanying drawings. Specific embodiments of the present application are given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is an exploded view of the present application;
FIG. 2 is a perspective view of the present application when unlocked;
fig. 3 is a perspective view of the present application in the locked state.
Description of the embodiments
The application will be described in detail below with reference to the drawings in combination with embodiments. The description herein is to be taken in a providing further understanding of the application and is made in the accompanying drawings, which illustrate and explain the application by way of example and not of limitation.
Referring to fig. 1-3, an open synchronous belt tensioning device comprises a base 1, a handle 2, a connecting rod 3, a sliding block 4 and a pressing block 5. Two first rotating shaft mounting seats 6 are arranged at the rear part of the upper surface of the base 1, and a chute 7 is formed in the middle front part of the upper surface of the base 1. The sliding block 4 is movably arranged in the sliding groove 7, the upper surface of the sliding block 4 is flush with the upper surface of the base 1, and the length of the sliding block 4 is smaller than that of the sliding groove 7. Two third rotating shaft mounting seats 8 are arranged at the rear part of the upper surface of the sliding block 4. The distance between the two first rotation shaft mounting seats 6 is equal to the distance between the two third rotation shaft mounting seats 8, and the distance is larger than the width of the synchronous belt 9, and the two first rotation shaft mounting seats 6 and the two third rotation shaft mounting seats 8 jointly form a channel for the synchronous belt 9 to move back and forth.
A first rotating shaft 10 is arranged between the two first rotating shaft mounting seats 6 through a first locking nut 11, and the connecting part of the handle 2 is rotatably mounted on the first rotating shaft 10; a third rotating shaft 12 is arranged between the two third rotating shaft mounting seats 8 through a third locking nut 13, the sliding block connecting end of the connecting rod 3 is rotatably arranged on the third rotating shaft 12, the handle connecting end of the connecting rod 3 is movably connected with the connecting part of the handle 2 through the cooperation of a second rotating shaft 14, a shaft sleeve 15 and a second locking nut 16, an anti-slip groove 19 is arranged at the middle front part of the upper surface of the sliding block 4, and the pressing block 5 is detachably arranged on the anti-slip groove 19 through a locking screw 17.
When the handle 2 is lifted up, the slider 4 moves to the rear end of the chute 7, and when the handle 2 is depressed, the slider moves to the front end of the chute 7.
Further, a pushing block 18 is disposed at the inner side of the connecting portion of the handle 2, and when the handle 2 is pressed down, the pushing block 18 contacts with the rear end face of the handle connecting end of the connecting rod 3 to push against the connecting rod 3.
Further, a limit screw mounting seat 20 is arranged on one side of the front portion of the upper surface of the base 1, a limit screw 21 is arranged in the limit screw mounting seat 20, and when the handle 2 is pressed down, the limit screw 21 penetrates into a limit hole in the grip portion of the handle 2 to lock the handle 2.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (7)
1. An open hold-in range overspeed device tensioner, its characterized in that: the novel rotary shaft pressing device comprises a base (1), a handle (2), a connecting rod (3), a sliding block (4) and a pressing block (5), wherein two first rotary shaft mounting seats (6) are arranged at the rear part of the upper surface of the base (1), and a sliding groove (7) is formed in the middle front part of the upper surface of the base (1); the sliding block (4) is movably arranged in the sliding groove (7), two third rotating shaft mounting seats (8) are arranged at the rear part of the upper surface of the sliding block (4), and the two first rotating shaft mounting seats (6) and the two third rotating shaft mounting seats (8) form a channel for the synchronous belt (9) to move forwards and backwards; a first rotating shaft (10) is arranged between the two first rotating shaft mounting seats (6) through a first lock nut (11), and the connecting part of the handle (2) is rotatably mounted on the first rotating shaft (10); a third rotating shaft (12) is arranged between the two third rotating shaft mounting seats (8) through a third lock nut (13), the sliding block connecting end of the connecting rod (3) is rotatably arranged on the third rotating shaft (12), the handle connecting end of the connecting rod (3) is movably connected with the connecting part of the handle (2) through the cooperation of a second rotating shaft (14), a shaft sleeve (15) and a second lock nut (16), and the pressing block (5) is detachably arranged at the middle front part of the upper surface of the sliding block (4); when the handle (2) is lifted up, the sliding block (4) moves to the rear end of the sliding groove (7), and when the handle (2) is pressed down, the sliding block moves to the front end of the sliding groove (7); a jacking block (18) is arranged on the inner side of the connecting part of the handle (2), and when the handle (2) is pressed down, the jacking block (18) is contacted with the rear end face of the handle connecting end of the connecting rod (3) to prop against the connecting rod (3); one side of the front part of the upper surface of the base (1) is provided with a limit screw mounting seat (20), a limit screw (21) is arranged in the limit screw mounting seat (20), and when the handle (2) is pressed down, the limit screw (21) penetrates into a limit hole in the grip part of the handle (2) to lock the handle (2).
2. The open timing belt tensioner of claim 1, wherein: the distance between the two first rotating shaft mounting seats (6) and the distance between the two third rotating shaft mounting seats (8) are both larger than the width of the synchronous belt (9).
3. The open timing belt tensioner of claim 2, wherein: the distance between the two first rotating shaft mounting seats (6) is equal to the distance between the two third rotating shaft mounting seats (8).
4. The open timing belt tensioner of claim 1, wherein: the upper surface of the sliding block (4) is flush with the upper surface of the base (1).
5. The open timing belt tensioner of claim 1, wherein: the length of the sliding block (4) is smaller than that of the sliding groove (7).
6. The open timing belt tensioner of claim 1, wherein: the part of the upper surface of the sliding block (4) contacted with the pressing block (5) is provided with an anti-skid groove (19).
7. The open timing belt tensioner of claim 1, wherein: the pressing block (5) is arranged at the front part of the upper surface of the sliding block (4) through a locking screw (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810621715.7A CN108679177B (en) | 2018-06-15 | 2018-06-15 | Open hold-in range overspeed device tensioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810621715.7A CN108679177B (en) | 2018-06-15 | 2018-06-15 | Open hold-in range overspeed device tensioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108679177A CN108679177A (en) | 2018-10-19 |
| CN108679177B true CN108679177B (en) | 2023-09-29 |
Family
ID=63811375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810621715.7A Active CN108679177B (en) | 2018-06-15 | 2018-06-15 | Open hold-in range overspeed device tensioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108679177B (en) |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1178729A (en) * | 1966-06-14 | 1970-01-21 | Dynacast Int Ltd | A Sliding Clasp Fastener Chain Brushing Polishing Device |
| JPH07214865A (en) * | 1994-02-08 | 1995-08-15 | Canon Inc | Image forming device |
| CN201723667U (en) * | 2010-07-07 | 2011-01-26 | 南通华新环保设备工程有限公司 | Underwater chain transmission tensioning device |
| CN202418452U (en) * | 2012-01-17 | 2012-09-05 | 中国矿业大学 | Synchronous belt tension mechanism of press machine |
| CN202926981U (en) * | 2012-08-15 | 2013-05-08 | 席连玉 | Motor belt tightness adjustment device |
| CN103317774A (en) * | 2013-05-16 | 2013-09-25 | 吴江市美晟机械设备有限公司 | Compaction-band tensioning mechanism |
| CN104739594A (en) * | 2015-03-27 | 2015-07-01 | 苏州市天烨医疗设备有限公司 | Medical lifting device |
| CN204852203U (en) * | 2015-05-20 | 2015-12-09 | 河南万国科技股份有限公司 | Chassis dynamometer and overspeed device tensioner thereof |
| JP2016070291A (en) * | 2014-09-26 | 2016-05-09 | 東京都下水道サービス株式会社 | V belt adjustment device |
| CN105757193A (en) * | 2016-03-24 | 2016-07-13 | 贵州大学 | Belt wheel tensioning and fast-changing device |
| DE102015201882A1 (en) * | 2015-02-04 | 2016-08-04 | Schaeffler Technologies AG & Co. KG | Sliding shoe tensioner for a belt drive |
| CN206130010U (en) * | 2016-10-28 | 2017-04-26 | 衢州福创工业设计有限公司 | Take air compressor machine belt tightener of regulating plate |
| CN106626390A (en) * | 2016-12-22 | 2017-05-10 | 广州新域机电制造有限公司 | Unique accurate fine-tuning device for synchronous belt tension of 3D (three-dimensional) printer |
| CN206449167U (en) * | 2017-02-13 | 2017-08-29 | 中山精量衡器制造有限公司 | A kind of belt tension installing mechanism of Fast Installation timing belt |
| EP3222184A1 (en) * | 2015-12-10 | 2017-09-27 | Jiangsu Midea Cleaning Appliances Co., Ltd. | Upright vacuum cleaner |
| CN207131816U (en) * | 2017-09-07 | 2018-03-23 | 中船重工海为郑州高科技有限公司 | The strainer adjusted by positive and negative leading screw |
| CN207178604U (en) * | 2017-08-18 | 2018-04-03 | 杭州世楷自动化设备有限公司 | A kind of linear module timing belt strainer |
| CN208535102U (en) * | 2018-06-15 | 2019-02-22 | 苏州市天烨医疗设备有限公司 | A kind of open type synchronous belt tension device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3967351B2 (en) * | 2004-10-20 | 2007-08-29 | 株式会社椿本チエイン | Tensioner with bent stopper pin |
-
2018
- 2018-06-15 CN CN201810621715.7A patent/CN108679177B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1178729A (en) * | 1966-06-14 | 1970-01-21 | Dynacast Int Ltd | A Sliding Clasp Fastener Chain Brushing Polishing Device |
| JPH07214865A (en) * | 1994-02-08 | 1995-08-15 | Canon Inc | Image forming device |
| CN201723667U (en) * | 2010-07-07 | 2011-01-26 | 南通华新环保设备工程有限公司 | Underwater chain transmission tensioning device |
| CN202418452U (en) * | 2012-01-17 | 2012-09-05 | 中国矿业大学 | Synchronous belt tension mechanism of press machine |
| CN202926981U (en) * | 2012-08-15 | 2013-05-08 | 席连玉 | Motor belt tightness adjustment device |
| CN103317774A (en) * | 2013-05-16 | 2013-09-25 | 吴江市美晟机械设备有限公司 | Compaction-band tensioning mechanism |
| JP2016070291A (en) * | 2014-09-26 | 2016-05-09 | 東京都下水道サービス株式会社 | V belt adjustment device |
| DE102015201882A1 (en) * | 2015-02-04 | 2016-08-04 | Schaeffler Technologies AG & Co. KG | Sliding shoe tensioner for a belt drive |
| CN104739594A (en) * | 2015-03-27 | 2015-07-01 | 苏州市天烨医疗设备有限公司 | Medical lifting device |
| CN204852203U (en) * | 2015-05-20 | 2015-12-09 | 河南万国科技股份有限公司 | Chassis dynamometer and overspeed device tensioner thereof |
| EP3222184A1 (en) * | 2015-12-10 | 2017-09-27 | Jiangsu Midea Cleaning Appliances Co., Ltd. | Upright vacuum cleaner |
| CN105757193A (en) * | 2016-03-24 | 2016-07-13 | 贵州大学 | Belt wheel tensioning and fast-changing device |
| CN206130010U (en) * | 2016-10-28 | 2017-04-26 | 衢州福创工业设计有限公司 | Take air compressor machine belt tightener of regulating plate |
| CN106626390A (en) * | 2016-12-22 | 2017-05-10 | 广州新域机电制造有限公司 | Unique accurate fine-tuning device for synchronous belt tension of 3D (three-dimensional) printer |
| CN206449167U (en) * | 2017-02-13 | 2017-08-29 | 中山精量衡器制造有限公司 | A kind of belt tension installing mechanism of Fast Installation timing belt |
| CN207178604U (en) * | 2017-08-18 | 2018-04-03 | 杭州世楷自动化设备有限公司 | A kind of linear module timing belt strainer |
| CN207131816U (en) * | 2017-09-07 | 2018-03-23 | 中船重工海为郑州高科技有限公司 | The strainer adjusted by positive and negative leading screw |
| CN208535102U (en) * | 2018-06-15 | 2019-02-22 | 苏州市天烨医疗设备有限公司 | A kind of open type synchronous belt tension device |
Non-Patent Citations (2)
| Title |
|---|
| 推土机张紧弹簧总成压装工具;程冠艳;王莉莉;吕茂辉;;工程机械与维修(01);44-45 * |
| 薄带表面微沟槽多齿犁削成形装置的设计;王黎明;吴磊;潘敏强;燕辉;;机械设计(02);61-64 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108679177A (en) | 2018-10-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110450290B (en) | Crystal clamping tool | |
| CN108679177B (en) | Open hold-in range overspeed device tensioner | |
| CN208535102U (en) | A kind of open type synchronous belt tension device | |
| CA2448350A1 (en) | Soil collection receptacle attaching/detaching apparatus for cyclone vacuum cleaner and vacuum cleaner having the same | |
| CN101966860A (en) | Improvement of locking mechanism between stand pipe and adjustment pipe for bicycles and fitness equipment | |
| CN215871111U (en) | Motor magnet steel inserting machine | |
| CN210181703U (en) | Ratchet bar pushing mechanism for vending machine | |
| CN213562239U (en) | Scraper installation auxiliary positioning mechanism for treadmill table top scraper | |
| CN209269018U (en) | A kind of regulation handle of sliding rail drawer | |
| CN212271824U (en) | Lock set | |
| CN218815756U (en) | One-way sliding lock with big handle | |
| CN215663744U (en) | Height adjusting mechanism for baby carriage seat and frame | |
| CN111134995A (en) | Medical nursing trolley | |
| CN110026765A (en) | A kind of rear side strut assembly tooling | |
| CN219782050U (en) | Chair backrest lifting device | |
| CN214349340U (en) | Automatic discharging device of thread rolling machine | |
| CN213183954U (en) | Positioning structure for network transformer | |
| CN221682975U (en) | Cutter box cutter prying mechanism of shield tunneling machine | |
| CN219877792U (en) | Armrest mounting structure | |
| EP0449681B1 (en) | Device for feeding automatically blanks to a press or any other machine | |
| CN208179747U (en) | Plank sizing saw machine | |
| CN2663197Y (en) | Pressing device of auto shift lock of automobile | |
| CN220740221U (en) | Positioning fixture for automobile engine machining | |
| CN217417250U (en) | Spring hold-down mechanism | |
| CN221314142U (en) | Door and window processing closing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tang Caifeng Inventor after: Chu Chengpan Inventor before: Tang Caifeng Inventor before: Chu Chengpan |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |