CN103950013B - Threaded fastening device - Google Patents
Threaded fastening device Download PDFInfo
- Publication number
- CN103950013B CN103950013B CN201410128923.5A CN201410128923A CN103950013B CN 103950013 B CN103950013 B CN 103950013B CN 201410128923 A CN201410128923 A CN 201410128923A CN 103950013 B CN103950013 B CN 103950013B
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- China
- Prior art keywords
- connecting rod
- sleeve
- fastening device
- threaded fastening
- polygonal
- Prior art date
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- 238000009434 installation Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 240000009023 Myrrhis odorata Species 0.000 description 1
- 235000007265 Myrrhis odorata Nutrition 0.000 description 1
- 235000012550 Pimpinella anisum Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B19/00—Impact wrenches or screwdrivers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Revetment (AREA)
Abstract
The invention provides a kind of threaded fastening device, comprising: sleeve, the circumference profile of the profile of inwall and polygonal nut or polygonal hook bolt head is coincide, to be set on polygonal nut or polygonal hook bolt head closely; Connecting rod, lower end is connected to the top of described sleeve vertically; Support, for providing support for described connecting rod, described connecting rod is located on described support rotationally; Locating rack, is located at the side of described support, and the upper end of described connecting rod is located on described locating rack rotationally; Gear, is sheathed on described sleeve outer wall, rotates for driving described sleeve; Tooth bar, is located on described locating rack along its length movably, with described gears meshing with when end receives impact, moves along its length, thus drives described pinion rotation.The polygonal hook bolt that the present invention is small space, polygonal nut fastening and dismounting provide a kind of brand-new lightweight specific purpose tool, can improve the maintenance of equipment and installation accuracy and operating efficiency.
Description
Technical field
The present invention relates to the fastening of the securing member such as bolt, nut and dismantling technology field, particularly a kind of threaded fastening device for hexagon-headed bolt, hex nut.
Background technology
At present, along with the development of science and technology, a lot of industrial equipment volume is increasing, parts get more and more, assembly precision is more and more higher, main equipment often needs a large amount of parts to be connected by screw thread, and therefore the pretension degree of screw thread in connection procedure has become the key factor affecting equipment quality.And in device assembles and installation process, some regional spaces of industrial equipment are comparatively narrow and small, existing erecting tools is comparatively large due to operating space, is difficult to the effect of bringing into normal play, and causes threaded pre-tightening power not enough, and the equipment that affects runs.Meanwhile, also comparatively difficulty when dismantling the bolt of small space or nut.Therefore, a kind of threaded fastening device being suitable for or dismounting hexagon-headed bolt fastening at narrow space, hex nut is needed at present.
Summary of the invention
The object of the present invention is to provide a kind of threaded fastening device, inadequate with the small space internal thread pretension degree solving prior art existence, to be difficult to dismounting problem.
In order to solve the problem, the invention provides a kind of threaded fastening device, its technical scheme is as follows:
A kind of threaded fastening device, comprising: sleeve, and the circumference profile of the profile of inwall and polygonal nut or polygonal hook bolt head is coincide, to be set on polygonal nut or polygonal hook bolt head closely; Connecting rod, lower end is connected to the top of described sleeve vertically; Support, for providing support for described connecting rod, described connecting rod is located on described support rotationally; Locating rack, is located at the side of described support, and the upper end of described connecting rod is located on described locating rack rotationally; Gear, is sheathed on described sleeve outer wall, rotates for driving described sleeve; Tooth bar, is located on described locating rack along its length movably, with described gears meshing with when end receives impact, moves along its length, thus drives described pinion rotation.
In a kind of preferred embodiment of above-mentioned threaded fastening device, described sleeve and described connecting rod for removably connecting so that change the sleeve of different size, preferred described polygonal be hexagonal.
In a kind of preferred embodiment of above-mentioned threaded fastening device, described support comprises supporting leg and top board, and described top board is fixed on the top of described supporting leg, and described supporting leg is distributed in around described sleeve, and described connecting rod is through the central region of described top board.
In a kind of preferred embodiment of above-mentioned threaded fastening device, described locating rack comprises connecting rod and lower link, the upper end of described connecting rod is located at one end of described upper connecting rod rotationally, one end of described lower link is fixed on described upper connecting rod, the other end of described lower link is provided with gathering sill, and described tooth bar embeds in described gathering sill movably.
In a kind of preferred embodiment of above-mentioned threaded fastening device, described upper connecting rod is horizontally disposed with, and described lower link is vertically arranged, and described upper connecting rod is connected in " fourth " font with lower link.
In a kind of preferred embodiment of above-mentioned threaded fastening device, the top of described connecting rod is arranged with an annular slab, the upper surface of described connecting rod is provided with a cover plate, the end of described upper connecting rod is provided with a collar, the described collar be sheathed on described connecting rod top and between described annular slab and cover plate.
In a kind of preferred embodiment of above-mentioned threaded fastening device, described cover plate is fixed on the upper surface of described connecting rod by a bolt.
In a kind of preferred embodiment of above-mentioned threaded fastening device, described connecting rod is provided with bearing, to reduce the friction between described connecting rod and top board through the position of described top board.
In a kind of preferred embodiment of above-mentioned threaded fastening device, the upper end of described sleeve is fixed with a connecting cylinder, and the inwall of described connecting cylinder is prismatic, and the bottom of described connecting rod is prismatic, and the inwall of described connecting cylinder is inserted in the bottom of described connecting rod.
In a kind of preferred embodiment of above-mentioned threaded fastening device, the other end of described lower link is provided with the guide plate protruded in two directions to described gear, and the space between two described guide plates forms described gathering sill.Analyze known, fastening and the dismounting of the hexagon-headed bolt that the present invention is small space, hex nut provides a kind of brand-new lightweight specific purpose tool, and it can improve the pretension degree of screw thread, reduces labour intensity, raise labour efficiency, and then improve the maintenance of equipment and installation accuracy and operating efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the preferred embodiment of the present invention;
Fig. 2 is the plan structure schematic diagram of the sleeve of the preferred embodiment of the present invention, gear, tooth bar.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
As Fig. 1, the preferred embodiment of the present invention shown by it mainly comprises sleeve 1, gear 21, tooth bar 22, support 3, connecting rod 5, locating rack 6 etc.
Specifically, the profile (as shown in phantom in Figure 2) of the inwall of sleeve 1 coincide with the circumference profile of hexagon-headed bolt 7 head or hex nut, to be set in closely on hex nut or hexagon-headed bolt 7 head.Connecting rod 5 is vertically arranged, and its lower end is connected to the upper surface of sleeve 1 vertically by connecting cylinder 11.Support 3 is for providing support for connecting rod 5, and connecting rod 5 is located on support 3 rotationally by bearing 4.Locating rack 6 is located at the side of support 3, and the upper end of connecting rod 5 is located on locating rack 6 rotationally.As shown in Figure 1 and Figure 2, gear 21 is sheathed on sleeve 1 outer wall, rotates for drive sleeve 1.Tooth bar 22 is located on locating rack 6 along its length movably, engages with when end receives impact, move horizontally along its length with gear 21, thus driven wheel 21 rotates.
During application, by support 3 as in the narrow space of equipment, sleeve 1 is enclosed within the head of hexagon-headed bolt 7, then in the larger space of outside, knock one end of tooth bar 22 with hammer, tooth bar 22 driven gear 21 is rotated, thus fastening or dismounting is carried out to hexagon-headed bolt 7.
In order to can fastening, the hexagon-headed bolt 7 of dismantling all kinds of specification, sleeve 1 also should have plurality of specifications, further, is convenient to the sleeve 1 mating plurality of specifications in order to make this preferred embodiment, sleeve 1 and connecting rod 5 are for removably connecting, so that the sleeve 1 of replacing different size.More preferably, as shown in Figure 1 and Figure 2, the upper end of sleeve 1 is fixed with a connecting cylinder 11, the inwall of connecting cylinder 11 is prismatic (square with reference to shown in figure 2), the bottom of connecting rod 5 is prismatic, the inwall of connecting cylinder 11 is inserted in the bottom of connecting rod 5, not only avoids rotating between connecting cylinder 11 and connecting rod 5, and fast, simply can change sleeve 1.
In the preferred embodiment, support 3 comprises supporting leg 31 and top board 32, and top board 32 is fixed on the top of supporting leg 31, and supporting leg 31 is distributed in sleeve 1 around, and connecting rod 5 is through the central region of top board 32.And the position passing top board 32 at top board 32 upper connecting rod 5 is provided with bearing 4, and when connecting rod 5 rotates, bearing 4 can reduce the friction between connecting rod 5 and top board 32.
As Fig. 1, the locating rack 6 of this preferred embodiment comprises connecting rod 61 and lower link 62, the upper end of connecting rod 5 is located at one end of connecting rod 61 rotationally, one end of lower link 62 is fixed on connecting rod 61, the other end of lower link 62 is provided with gathering sill 620, and tooth bar 22 level embeds in gathering sill 620 movably.More preferably, upper connecting rod 61 is horizontally disposed with, and lower link 62 is vertically arranged, and upper connecting rod 61 is connected in " fourth " font with lower link 62.
In order to realize being rotatably connected between connecting rod 5 and upper connecting rod 61, the top of connecting rod 5 is arranged with an annular slab 51, and the upper surface of connecting rod 5 is provided with a cover plate 52, and the middle part of this cover plate 52 is fixed on the upper surface of connecting rod 5 by a bolt 53.The end of upper connecting rod 61 is provided with a collar 610 (its structure is also similar to a short tube), the collar 610 be sheathed on connecting rod 5 top and between annular slab 51 and cover plate 52.
In order to form the above-mentioned gathering sill 620 for holding tooth bar 22, as Fig. 1, the space that the other end of lower link 62 is provided with between guide plate 621, two guide plates 621 from directions to gear 21 that protrude in two forms gathering sill 620.
The Detailed operating procedures of this preferred embodiment is as follows:
First, select the sleeve 1 of suitable specification, sleeve 1 is connected with locating rack 6 by connecting rod 5, and is enclosed within by sleeve 1 and is positioned on the hexagon-headed bolt 7 of small space.
Then, tooth bar 22 is placed in the gathering sill 620 of lower link 62, and engages with the gear 21 of sleeve 1 outside.
Finally, in the space of spaciousness, knock tooth bar 22 one end with hand hammer, its driven gear 21 is rotated, thus fastening or dismounting is carried out to hexagon-headed bolt 7.
Although have hexagonal to be illustrated for the head of nut or bolt in above embodiment, can be five jiaos according to actual conditions, anise is even more etc., now only need to be changed accordingly the inner wall shape of sleeve.In addition, as bolt, be preferably M8 ~ M24.
To sum up, the present invention can fastening in narrow space, demounting bolt or nut, can improve the pretension degree of screw thread, improves the maintenance of equipment and installation accuracy and operating efficiency; And structure is simple, flexible operation, can promote the use of on a large scale.
As known by the technical knowledge, the present invention can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Within the scope of the present invention all or be all included in the invention being equal to the change in scope of the present invention.
Claims (11)
1. a threaded fastening device, is characterized in that, comprising:
Sleeve, the circumference profile of the profile of inwall and polygonal nut or polygonal hook bolt head is coincide, to be set on polygonal nut or polygonal hook bolt head closely;
Connecting rod, lower end is connected to the top of described sleeve vertically;
Support, for providing support for described connecting rod, described connecting rod is located on described support rotationally;
Locating rack, is located at the side of described support, and the upper end of described connecting rod is located on described locating rack rotationally;
Gear, is sheathed on described sleeve outer wall, rotates for driving described sleeve;
Tooth bar, is located on described locating rack along its length movably, with described gears meshing with when end receives impact, moves along its length, thus drives described pinion rotation.
2. threaded fastening device according to claim 1, is characterized in that, described sleeve and described connecting rod are for removably connecting, so that the sleeve of replacing different size.
3. threaded fastening device according to claim 2, is characterized in that, described polygonal be hexagonal.
4. threaded fastening device according to claim 1, it is characterized in that, described support comprises supporting leg and top board, and described top board is fixed on the top of described supporting leg, described supporting leg is distributed in around described sleeve, and described connecting rod is through the central region of described top board.
5. threaded fastening device according to claim 1, it is characterized in that, described locating rack comprises connecting rod and lower link, the upper end of described connecting rod is located at one end of described upper connecting rod rotationally, one end of described lower link is fixed on described upper connecting rod, the other end of described lower link is provided with gathering sill, and described tooth bar embeds in described gathering sill movably.
6. threaded fastening device according to claim 5, is characterized in that, described upper connecting rod is horizontally disposed with, and described lower link is vertically arranged, and described upper connecting rod is connected in " fourth " font with lower link.
7. threaded fastening device according to claim 5, it is characterized in that, the top of described connecting rod is arranged with an annular slab, the upper surface of described connecting rod is provided with a cover plate, the end of described upper connecting rod is provided with a collar, the described collar be sheathed on described connecting rod top and between described annular slab and cover plate.
8. threaded fastening device according to claim 7, is characterized in that, described cover plate is fixed on the upper surface of described connecting rod by a bolt.
9. threaded fastening device according to claim 4, is characterized in that, described connecting rod is provided with bearing, to reduce the friction between described connecting rod and top board through the position of described top board.
10. threaded fastening device according to claim 2, it is characterized in that, the upper end of described sleeve is fixed with a connecting cylinder, and the inwall of described connecting cylinder is prismatic, the bottom of described connecting rod is prismatic, and the inwall of described connecting cylinder is inserted in the bottom of described connecting rod.
11. threaded fastening devices according to claim 5, is characterized in that, the other end of described lower link is provided with the guide plate protruded in two directions to described gear, and the space between two described guide plates forms described gathering sill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410128923.5A CN103950013B (en) | 2014-04-01 | 2014-04-01 | Threaded fastening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410128923.5A CN103950013B (en) | 2014-04-01 | 2014-04-01 | Threaded fastening device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103950013A CN103950013A (en) | 2014-07-30 |
| CN103950013B true CN103950013B (en) | 2015-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410128923.5A Expired - Fee Related CN103950013B (en) | 2014-04-01 | 2014-04-01 | Threaded fastening device |
Country Status (1)
| Country | Link |
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| CN (1) | CN103950013B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108098687B (en) * | 2017-12-11 | 2020-02-18 | 中国航发沈阳黎明航空发动机有限责任公司 | Aeroengine internal force limiting nut assembling device and using method |
| CN110883534B (en) * | 2019-11-22 | 2020-11-10 | 河南飞龙(芜湖)汽车零部件有限公司 | Hexagon screw tightening device for mounting electronic water pump |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1187978A1 (en) * | 1983-03-05 | 1985-10-30 | Магнитогорский Дважды Ордена Ленина И Ордена Трудового Красного Знамени Металлургический Комбинат Им.В.И.Ленина | Device for joining components |
| CN102581813A (en) * | 2012-03-16 | 2012-07-18 | 王跃平 | Mining nut fastening device |
| CN202399179U (en) * | 2011-11-24 | 2012-08-29 | 沈逸峰 | Vehicle bolt handling device |
| CN103302489A (en) * | 2013-06-03 | 2013-09-18 | 中国海洋石油总公司 | Secondary locking mechanism of underwater horizontal connector installing tool |
| CN203228183U (en) * | 2013-04-10 | 2013-10-09 | 徐州工程学院 | Narrow rotating space bolt fastening device |
| CN103612243A (en) * | 2013-12-04 | 2014-03-05 | 天津振兴水泥有限公司 | Set bolt mounting device of kiln opening guard iron in cement plant |
| CN203792271U (en) * | 2014-04-01 | 2014-08-27 | 莱芜钢铁集团有限公司 | Threaded fastening device |
-
2014
- 2014-04-01 CN CN201410128923.5A patent/CN103950013B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1187978A1 (en) * | 1983-03-05 | 1985-10-30 | Магнитогорский Дважды Ордена Ленина И Ордена Трудового Красного Знамени Металлургический Комбинат Им.В.И.Ленина | Device for joining components |
| CN202399179U (en) * | 2011-11-24 | 2012-08-29 | 沈逸峰 | Vehicle bolt handling device |
| CN102581813A (en) * | 2012-03-16 | 2012-07-18 | 王跃平 | Mining nut fastening device |
| CN203228183U (en) * | 2013-04-10 | 2013-10-09 | 徐州工程学院 | Narrow rotating space bolt fastening device |
| CN103302489A (en) * | 2013-06-03 | 2013-09-18 | 中国海洋石油总公司 | Secondary locking mechanism of underwater horizontal connector installing tool |
| CN103612243A (en) * | 2013-12-04 | 2014-03-05 | 天津振兴水泥有限公司 | Set bolt mounting device of kiln opening guard iron in cement plant |
| CN203792271U (en) * | 2014-04-01 | 2014-08-27 | 莱芜钢铁集团有限公司 | Threaded fastening device |
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| Publication number | Publication date |
|---|---|
| CN103950013A (en) | 2014-07-30 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Xuetao Inventor after: Zhang Ge Inventor before: Zhang Ge Inventor before: Li Xuetao |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHANG GE LI XUETAO TO: LI XUETAO ZHANG GE |
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| C14 | Grant of patent or utility model | ||
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| 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: 20150819 |