CN203526932U - Large-diameter nut tightening device - Google Patents
Large-diameter nut tightening device Download PDFInfo
- Publication number
- CN203526932U CN203526932U CN201320647207.9U CN201320647207U CN203526932U CN 203526932 U CN203526932 U CN 203526932U CN 201320647207 U CN201320647207 U CN 201320647207U CN 203526932 U CN203526932 U CN 203526932U
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- driving gear
- driven wheel
- hole
- nut
- tighten
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Abstract
The utility model discloses a large-diameter nut tightening device. The large-diameter nut tightening device aims to solve the problem that an existing automatic nut tightening device slips easily in the processing of tightening a large-diameter nut, even an automatic rotating head is damaged, interference occurs in the process of tightening the nut in some small spaces, and inconvenience is caused to operation. The large-diameter nut tightening device comprises a box. A driving gear and a drive gear which are adaptive with each other are arranged in the box, the reference diameter of the driving gear is smaller than that of the drive gear, the driving gear is in adaptive connection with the automatic rotating head for driving the driving gear, and a tightening hole for being adaptive with the nut is coaxially arranged on the drive gear. The large-diameter nut tightening device is simple in structure, slippage does not occur easily in the processing of tightening large-diameter nut, the automatic rotating head cannot be damaged easily, interference does not occur easily in the process of tightening the nut in some small spaces, and the large-diameter nut tightening device is convenient to operate.
Description
Technical field
The utility model relates to a kind of nut tightening device, and more particularly, it relates to a kind of large footpath nut automatic screwing device easy to use.
Background technology
On plant equipment and parts, often need fastening nut operation, in order to accelerate operating efficiency, often adopt automatic screwing device to tighten operation to nut.In tightening the process of large footpath nut, the moment of torsion needing is larger, and conventional automatic screwing device is generally that automatic rotary head is directly socketed on nut at present, in nutting process, moment of torsion is larger, easily there is the phenomenon of skidding, even occur damaging the phenomenon of automatic rotary head, and easily there is the phenomenon of interfering in the process of fastening nut in some little spaces, to operation, brought inconvenience.
Chinese patent notification number CN202212756U, a kind of electric nut screwing machine is disclosed, comprise and be provided with the tightening machine body of tightening axle, tighten axle and comprise axle sleeve and the axis body passing from axle sleeve, the outermost end of axis body is provided with tightens sleeve, and axle sleeve is provided with reaction torque dish, and reaction torque dish is provided with the through hole passing for axle sleeve, reaction torque dish is provided with reaction torque sleeve, and the other end of reaction torque sleeve is provided with nut running-on.In the process of tightening large footpath nut, easily there is the phenomenon of skidding in the electric nut screwing machine of this structure, even there is damaging the phenomenon of automatic rotary head, and easily there is the phenomenon of interfering in the process of fastening nut in some little spaces, to operation, brought inconvenience.
Utility model content
The utility model has overcome existing automatic nut device for screwing up and in the process of tightening large footpath nut, has easily occurred the phenomenon of skidding, even there is damaging the phenomenon of automatic rotary head, and easily there is the phenomenon of interfering in the process of fastening nut in some little spaces, to operation, brought inconvenient deficiency, a kind of large footpath nut tightening device is provided, it simple in structure, in the process of tightening large footpath nut, be not prone to the phenomenon of skidding, automatically rotary head is not fragile, in some little spaces, the process of fastening nut is not prone to the phenomenon of interference, easy to operate.
In order to solve the problems of the technologies described above, the utility model is by the following technical solutions: a kind of large footpath nut tightening device, comprise casing, in casing, be provided with driving gear and the driven wheel of mutual adaptation, the reference diameter of driving gear is less than the reference diameter of driven wheel, driving gear is adaptive to be connected for driving the automatic rotary head of driving gear, is coaxially provided with for the hole of tightening with nut adaptation on driven wheel.
Nut tightening device is connected on the borehole jack of tightening on driven wheel on nut in the operating process that large footpath nut is tightened, then start automatic rotary head, thereby the engagement by driving gear and driven wheel realizes transmission drives driven wheel to rotate, the rotation of driven wheel is tightened nut and is unscrewed operation.Because the reference diameter of driving gear is less than the reference diameter of driven wheel, therefore the less moment of torsion of driving gear input just can make the larger moment of torsion of driven wheel output, thereby in the process of tightening large footpath nut, be not prone to the phenomenon of skidding, rotary head is not fragile automatically.Automatically rotary head is not to be directly socketed on nut, the axis of rotary head and the certain distance in axis interval of nut automatically, and therefore in some little spaces, the process of fastening nut is not prone to the phenomenon of interference, easy to operate.
As preferably, on casing, be removably connected with case lid, case lid covers on driving gear and driven wheel and carries out spacing to driving gear and driven wheel.Case lid has played and driving gear has been connected to spacing effect with driven wheel.
As preferably, casing upper surface is provided with installing hole, installing hole bottom surface is provided with driving gear locating hole and driven wheel locating hole, the engaging tooth of driving gear and driven wheel is separately positioned on the outer wall in driving gear and driven wheel centre position, driving gear and driven wheel lower end are arranged on respectively in driving gear locating hole and driven wheel locating hole, and the engaging tooth lower surface limited support of driving gear and driven wheel is on installing hole bottom surface; Case lid is provided with driving gear spacing hole and driven wheel spacing hole, driving gear spacing hole and driven wheel spacing hole respectively with driving gear locating hole and driven wheel locating hole corresponding setting one by one, driving gear and driven wheel upper end are arranged on respectively in driving gear spacing hole and driven wheel spacing hole, on case lid lower surface, driving gear spacing hole and driven wheel spacing hole marginal position are equipped with the spacing preiection of a ring shape, and spacing preiection is connected on the upper surface of engaging tooth.Driving gear and driven wheel are arranged in casing by this structure setting, spacing reliable, easy for installation.
As preferably, rotary head is pneumatic impact spanner automatically, and the front end of rotary head is provided with the sleeve of regular polygon automatically, and the upper end of driving gear is provided with joint pin, and joint pin is the regular polygon structure with sleeve adaptation.Cooperation by sleeve and joint pin realizes automatic rotary head and drives driving gear to rotate, easy to operate.
As preferably, tighten movable sleeve in hole be connected to several dimensions different tighten sleeve, tighten hole and tighten that sleeve is through hole and upper end open edge is provided with defining flange inwardly, tighten sleeve and connect together successively from big to small and be socketed in and tighten in hole.In tightening hole, arrange several dimensions different tighten sleeve be applicable to different size specification nut turn operation, flexible and convenient to use.And for adaptive with nut, tightening sleeve is regular polygon, what therefore connect together tightens the situation that sleeve there will not be mutual rotation to skid, and uses reliable.Another kind of scheme, tightens hole and is one-level step cavernous structure.The aperture of tightening upper and lower two ends, hole of step cavernous structure is different, be applicable to two kinds of different sizes nut turn operation, by by driven wheel lower end down or upside down two kinds of different mounting means to make to tighten hole adaptive with two kinds of different size nuts respectively.
Compared with prior art, the beneficial effects of the utility model are: large footpath nut tightening device is simple in structure, is not prone to the phenomenon of skidding in the process of tightening large footpath nut, and rotary head is not fragile automatically, in some little spaces, the process of fastening nut is not prone to the phenomenon of interference, easy to operate.
Accompanying drawing explanation
Fig. 1 is cutaway view of the present utility model;
Fig. 2 is the top view of removal case lid of the present utility model;
Fig. 3 is the cutaway view of the driven wheel of embodiment 1 of the present utility model;
Fig. 4 is the cutaway view of the driven wheel of embodiment 2 of the present utility model;
Fig. 5 is the structural representation of use state of the present utility model;
In figure: 1, casing, 2, driving gear, 3, driven wheel, 4, automatically rotary head, 5, tighten hole, 6, case lid, 7, installing hole, 8, driving gear locating hole, 9, driven wheel locating hole, 10, driving gear spacing hole, 11, driven wheel spacing hole, 12, spacing preiection, 13, sleeve, 14, joint pin, 15, tighten sleeve, 16, defining flange.
The specific embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is further described specifically:
Embodiment 1: a kind of large footpath nut tightening device (referring to accompanying drawing 1, accompanying drawing 5), comprise casing 1, in casing, be provided with driving gear 2 and the driven wheel 3 of mutual adaptation, the reference diameter of driving gear is less than the reference diameter of driven wheel, driving gear is adaptive to be connected for driving the automatic rotary head 4 of driving gear, automatically rotary head is pneumatic impact spanner, automatically the front end of rotary head is provided with the sleeve 13 of regular polygon, the upper end of driving gear is provided with joint pin 14, joint pin is the regular polygon structure with sleeve adaptation, and jacket casing is connected on joint pin.On driven wheel, be coaxially provided with for nut adaptation tighten hole 5.On casing, be removably connected with case lid 6, (referring to accompanying drawing 2) with bolts between case lid and casing.Case lid covers on driving gear and driven wheel and carries out spacing to driving gear and driven wheel.Casing upper surface is provided with installing hole 7, installing hole bottom surface is provided with driving gear locating hole 8 and driven wheel locating hole 9, the engaging tooth of driving gear and driven wheel is separately positioned on the outer wall in driving gear and driven wheel centre position, driving gear and driven wheel lower end are arranged on respectively in driving gear locating hole and driven wheel locating hole, and the engaging tooth lower surface limited support of driving gear and driven wheel is on installing hole bottom surface; Case lid is provided with driving gear spacing hole 10 and driven wheel spacing hole 11, driving gear spacing hole and driven wheel spacing hole respectively with driving gear locating hole and driven wheel locating hole corresponding setting one by one, driving gear and driven wheel upper end are arranged on respectively in driving gear spacing hole and driven wheel spacing hole, on case lid lower surface, driving gear spacing hole and driven wheel spacing hole marginal position are equipped with the spacing preiection 12 of a ring shape, and spacing preiection is connected on the upper surface of engaging tooth.Tighten movable sleeve in hole be connected to several dimensions different tighten sleeve 15(referring to accompanying drawing 3), tighten hole and tighten that sleeve is through hole and upper end open edge is provided with defining flange 16 inwardly, tighten sleeve and connect together successively from big to small and be socketed in and tighten in hole.In the present embodiment, tighten movable sleeve in hole be connected to three dimensions different tighten sleeve, the sleeve of tightening of determining varying number according to the specification of nut is connected to tighten and in hole, realizes turning of nut, therefore driven wheel can be realized the operation that turns to the nut of four kinds of different size specifications, uses flexible, changeable.
Nut tightening device is connected on the borehole jack of tightening on driven wheel on nut in the operating process that large footpath nut is tightened, then start automatic rotary head, thereby the engagement by driving gear and driven wheel realizes transmission drives driven wheel to rotate, the rotation of driven wheel is tightened nut and is unscrewed operation.Because the reference diameter of driving gear is less than the reference diameter of driven wheel, therefore the less moment of torsion of driving gear input just can make the larger moment of torsion of driven wheel output, thereby in the process of tightening large footpath nut, be not prone to the phenomenon of skidding, rotary head is not fragile automatically.Automatically rotary head is not to be directly socketed on nut, the axis of rotary head and the certain distance in axis interval of nut automatically, and therefore in some little spaces, the process of fastening nut is not prone to the phenomenon of interference, easy to operate.
Embodiment 2: a kind of large footpath nut tightening device, its structure is similar to embodiment 1, main difference point is the structure (referring to accompanying drawing 4) of driven wheel, the hole of tightening in the present embodiment on driven wheel is one-level step cavernous structure, by driven wheel being end for end up and down to two kinds of mounting means, realizes the operation that turns to the nut of two kinds of different sizes.Other structure is identical with embodiment 1.
Above-described embodiment is two kinds of schemes preferably of the present utility model, not the utility model is done to any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim records.
Claims (6)
1. a large footpath nut tightening device, it is characterized in that, comprise casing, in casing, be provided with driving gear and the driven wheel of mutual adaptation, the reference diameter of driving gear is less than the reference diameter of driven wheel, driving gear is adaptive to be connected for driving the automatic rotary head of driving gear, is coaxially provided with for the hole of tightening with nut adaptation on driven wheel.
2. large footpath according to claim 1 nut tightening device, is characterized in that, is removably connected with case lid on casing, and case lid covers on driving gear and driven wheel and carries out spacing to driving gear and driven wheel.
3. large footpath according to claim 2 nut tightening device, it is characterized in that, casing upper surface is provided with installing hole, installing hole bottom surface is provided with driving gear locating hole and driven wheel locating hole, the engaging tooth of driving gear and driven wheel is separately positioned on the outer wall in driving gear and driven wheel centre position, driving gear and driven wheel lower end are arranged on respectively in driving gear locating hole and driven wheel locating hole, and the engaging tooth lower surface limited support of driving gear and driven wheel is on installing hole bottom surface; Case lid is provided with driving gear spacing hole and driven wheel spacing hole, driving gear spacing hole and driven wheel spacing hole respectively with driving gear locating hole and driven wheel locating hole corresponding setting one by one, driving gear and driven wheel upper end are arranged on respectively in driving gear spacing hole and driven wheel spacing hole, on case lid lower surface, driving gear spacing hole and driven wheel spacing hole marginal position are equipped with the spacing preiection of a ring shape, and spacing preiection is connected on the upper surface of engaging tooth.
4. large footpath according to claim 1 nut tightening device, is characterized in that, rotary head is pneumatic impact spanner automatically, and the front end of rotary head is provided with the sleeve of regular polygon automatically, and the upper end of driving gear is provided with joint pin, and joint pin is the regular polygon structure with sleeve adaptation.
5. according to the large footpath nut tightening device described in claim 1 or 2 or 3 or 4, it is characterized in that, tighten movable sleeve in hole be connected to several dimensions different tighten sleeve, tighten hole and tighten that sleeve is through hole and upper end open edge is provided with defining flange inwardly, tighten sleeve and connect together successively from big to small and be socketed in and tighten in hole.
6. according to the large footpath nut tightening device described in claim 1 or 2 or 3 or 4, it is characterized in that, tighten hole and be one-level step cavernous structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320647207.9U CN203526932U (en) | 2013-10-18 | 2013-10-18 | Large-diameter nut tightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320647207.9U CN203526932U (en) | 2013-10-18 | 2013-10-18 | Large-diameter nut tightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203526932U true CN203526932U (en) | 2014-04-09 |
Family
ID=50413194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320647207.9U Expired - Fee Related CN203526932U (en) | 2013-10-18 | 2013-10-18 | Large-diameter nut tightening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203526932U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105522537A (en) * | 2014-09-29 | 2016-04-27 | 中航商用航空发动机有限责任公司 | Nut placing and tightening device, method and system |
| CN106944966A (en) * | 2017-04-21 | 2017-07-14 | 深圳市福吉五金制品有限公司 | Nut clamping device |
| CN108356752A (en) * | 2018-05-08 | 2018-08-03 | 广州隆控机电设备有限公司 | A kind of fastener for bolt |
| CN112743320A (en) * | 2018-11-19 | 2021-05-04 | 黄阳 | Automatic feeding pressing system and method |
-
2013
- 2013-10-18 CN CN201320647207.9U patent/CN203526932U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105522537A (en) * | 2014-09-29 | 2016-04-27 | 中航商用航空发动机有限责任公司 | Nut placing and tightening device, method and system |
| CN106944966A (en) * | 2017-04-21 | 2017-07-14 | 深圳市福吉五金制品有限公司 | Nut clamping device |
| CN108356752A (en) * | 2018-05-08 | 2018-08-03 | 广州隆控机电设备有限公司 | A kind of fastener for bolt |
| CN112743320A (en) * | 2018-11-19 | 2021-05-04 | 黄阳 | Automatic feeding pressing system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20161018 |
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| CF01 | Termination of patent right due to non-payment of annual fee |