CN103950013A - Thread fastening device - Google Patents

Thread fastening device Download PDF

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Publication number
CN103950013A
CN103950013A CN201410128923.5A CN201410128923A CN103950013A CN 103950013 A CN103950013 A CN 103950013A CN 201410128923 A CN201410128923 A CN 201410128923A CN 103950013 A CN103950013 A CN 103950013A
Authority
CN
China
Prior art keywords
connecting rod
sleeve
fastening device
threaded fastening
gear
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.)
Granted
Application number
CN201410128923.5A
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Chinese (zh)
Other versions
CN103950013B (en
Inventor
张戈
李雪涛
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.)
Laiwu Iron and Steel Group Co Ltd
Original Assignee
Laiwu Iron and Steel Group 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 Laiwu Iron and Steel Group Co Ltd filed Critical Laiwu Iron and Steel Group Co Ltd
Priority to CN201410128923.5A priority Critical patent/CN103950013B/en
Publication of CN103950013A publication Critical patent/CN103950013A/en
Application granted granted Critical
Publication of CN103950013B publication Critical patent/CN103950013B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B19/00Impact wrenches or screwdrivers

Abstract

The invention provides a thread fastening device which comprises a sleeve, a connecting rod, a bracket, a positioning frame, a gear and a rack, wherein the outline of the inner wall of the sleeve is identical with that of the circumference of the head of a polygonal nut or a polygonal head bolt, so that the sleeve can be arranged on the polygonal nut or the polygonal head bolt in a tightly sleeving manner; the lower end of the connecting rod is vertically connected to the upper part of the sleeve; the bracket is used for providing support for the connecting rod, and the connecting rod can be rotatably arranged on the bracket; the positioning frame is arranged on one side of the bracket, and the upper end of the connecting rod can be rotatably arranged on the positioning frame; the gear is arranged on the outer wall of the sleeve in a sleeving manner and is used for driving the sleeve to rotate; the rack is movably arranged on the positioning frame along a length direction and meshed with the gear and can move along the length direction when the head part of the rack is hit, thus driving the gear to rotate. According to the thread fastening device, a brand-new lightweight special tool is provided for fastening and dismounting of the polygonal head bolt and the polygonal nut in a narrow space, and the maintenance and installation precision and the operation efficiency of equipment can be improved.

Description

Threaded fastening device
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 scientific and technological development, a lot of industrial equipment volumes are increasing, parts are more and more, assembly precision is more and more higher, main equipment often needs a large amount of parts to connect by screw thread, and therefore the pretension degree of screw thread in connection procedure become the key factor that affects equipment quality.And in device assembles and installation process, some regional spaces of industrial equipment are comparatively narrow and small, existing erecting tools is because operating space is larger, and the effect that is difficult to bring into normal play, causes threaded pre-tightening power deficiency, affects equipment operation.Meanwhile, also difficulty comparatively when the dismounting bolt of small space or nut.Therefore, need at present a kind of threaded fastening device fastening at narrow space or dismounting hexagon-headed bolt, hex nut that is suitable for.
Summary of the invention
The object of the present invention is to provide a kind of threaded fastening device, with solve small space internal thread pretension degree that prior art exists not, the problem that is difficult to dismounting.
In order to address the above 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 in closely on polygonal nut or polygonal hook bolt head; Connecting rod, lower end is connected in the top of described sleeve vertically; Support, is used to described connecting rod to provide support, and described connecting rod is located on described support rotationally; Locating rack, is located at a 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, for driving described sleeve to rotate; Tooth bar, is located on described locating rack along its length movably, engages to receive in end while impacting with described gear, moves along its length, thereby drives described gear to rotate.
In a kind of preferred embodiment of above-mentioned threaded fastening device, described sleeve and described connecting rod be for removably connecting so that change the sleeve of different size, preferably 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 described sleeve around, 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 vertically arranges, and described upper connecting rod is " fourth " font and is connected 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, and the described collar is sheathed on the top of described connecting rod 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 through the position of described top board, to reduce the friction between described connecting rod and 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 that two directions to described gear are protruded, and the space between two described guide plates forms described gathering sill.Analyze known, the hexagon-headed bolt that the present invention is small space, the fastening and dismounting of hex nut provide 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 maintenance and installation accuracy and the operating efficiency of equipment.
Brief description of the drawings
Fig. 1 is the structural representation of the preferred embodiment of the present invention;
Fig. 2 is sleeve, the gear of the preferred embodiment of the present invention, the plan structure schematic diagram of 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, its shown preferred embodiment of the present invention mainly comprises sleeve 1, gear 21, tooth bar 22, support 3, connecting rod 5, locating rack 6 etc.
Particularly, the profile of the inwall of sleeve 1 (as shown in phantom in Figure 2) coincide with the circumference profile of hexagon-headed bolt 7 heads or hex nut, to be set in closely on hex nut or hexagon-headed bolt 7 heads.Connecting rod 5 vertically arranges, and its lower end is connected in the upper surface of sleeve 1 vertically by connecting cylinder 11.Support 3 is used to connecting rod 5 to provide support, and connecting rod 5 is located on support 3 rotationally by bearing 4.Locating rack 6 is located at a 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 to receive in end while impacting with gear 21, move horizontally along its length, thereby driven wheel 21 rotates.
When application, in the narrow space by support 3 as for equipment, sleeve 1 is enclosed within the head of hexagon-headed bolt 7, then in outside larger space, knock one end of tooth bar 22 with hammer, tooth bar 22 driven gears 21 are rotated, thereby hexagon-headed bolt 7 is carried out to fastening or dismounting.
For hexagon-headed bolt 7 that can be fastening, dismantle all kinds of specifications, sleeve 1 also should have plurality of specifications, further, mates the sleeve 1 of plurality of specifications in order to make this preferred embodiment be convenient to, sleeve 1 and connecting rod 5 are for removably connecting, so that change the sleeve 1 of 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 (with reference to the square 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 can fast, simply change sleeve 1.
In this 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 be provided with bearing 4 at top board 31 upper connecting rods 5 through the position of top board 31, in the time that 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 levels embed in gathering sill 620 movably.More preferably, upper connecting rod 61 is horizontally disposed with, and lower link 62 vertically arranges, and upper connecting rod 61 is " fourth " font with lower link 62 and is connected.
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 its structure of collar 610(and is also similar to a short tube), the collar 610 is sheathed on the top of connecting rod 5 and between annular slab 51 and cover plate 52.
Above-mentioned for holding the gathering sill 620 of tooth bar 22 in order to form, as Fig. 1, the space that the other end of lower link 62 is provided with between 621, two guide plates 621 of guide plate that two directions to gear 21 protrude forms gathering sill 620.
The detailed operating procedure 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 sleeve 1 is enclosed within on the hexagon-headed bolt 7 that is positioned at 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 spacious space, knock tooth bar 22 one end with hand hammer, its driven gear 21 is rotated, thereby hexagon-headed bolt 7 is carried out to fastening or dismounting.
Although have hexagonal to be illustrated as example taking the head of nut or bolt in above embodiment, can be that five jiaos, anise are even more etc. according to actual conditions, 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 be fastening in narrow space, demounting bolt or nut, can improve the pretension degree of screw thread, improves maintenance and installation accuracy and the operating efficiency of equipment; And simple in structure, flexible operation, can promote the use of on a large scale.
As known by the technical knowledge, the present invention can realize by other the embodiment that does not depart from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, and is not only.Within the scope of the present invention all or be all included in the invention in the change being equal in scope of the present invention.

Claims (10)

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 in closely on polygonal nut or polygonal hook bolt head;
Connecting rod, lower end is connected in the top of described sleeve vertically;
Support, is used to described connecting rod to provide support, and described connecting rod is located on described support rotationally;
Locating rack, is located at a 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, for driving described sleeve to rotate;
Tooth bar, is located on described locating rack along its length movably, engages to receive in end while impacting with described gear, moves along its length, thereby drives described gear to rotate.
2. threaded fastening device according to claim 1, is characterized in that, described sleeve and described connecting rod be for removably connecting so that change the sleeve of different size, preferably described polygonal be hexagonal.
3. 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 described sleeve around, and described connecting rod is through the central region of described top board.
4. 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.
5. threaded fastening device according to claim 4, is characterized in that, described upper connecting rod is horizontally disposed with, and described lower link vertically arranges, and described upper connecting rod is " fourth " font and is connected with lower link.
6. threaded fastening device according to claim 4, 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, and the described collar is sheathed on the top of described connecting rod and between described annular slab and cover plate.
7. threaded fastening device according to claim 6, is characterized in that, described cover plate is fixed on the upper surface of described connecting rod by a bolt.
8. threaded fastening device according to claim 3, is characterized in that, described connecting rod is provided with bearing through the position of described top board, to reduce the friction between described connecting rod and top board.
9. 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.
10. threaded fastening device according to claim 4, is characterized in that, the other end of described lower link is provided with the guide plate that two directions to described gear are protruded, and the space between two described guide plates forms described gathering sill.
CN201410128923.5A 2014-04-01 2014-04-01 Threaded fastening device Active CN103950013B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410128923.5A CN103950013B (en) 2014-04-01 2014-04-01 Threaded fastening device

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Application Number Priority Date Filing Date Title
CN201410128923.5A CN103950013B (en) 2014-04-01 2014-04-01 Threaded fastening device

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CN103950013A true CN103950013A (en) 2014-07-30
CN103950013B CN103950013B (en) 2015-08-19

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108098687A (en) * 2017-12-11 2018-06-01 中国航发沈阳黎明航空发动机有限责任公司 Limiter nut assembling device and application method inside a kind of aero-engine
CN110883534A (en) * 2019-11-22 2020-03-17 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 (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108098687A (en) * 2017-12-11 2018-06-01 中国航发沈阳黎明航空发动机有限责任公司 Limiter nut assembling device and application method inside a kind of aero-engine
CN110883534A (en) * 2019-11-22 2020-03-17 河南飞龙(芜湖)汽车零部件有限公司 Hexagon screw tightening device for mounting electronic water pump
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

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Inventor after: Li Xuetao

Inventor after: Zhang Ge

Inventor before: Zhang Ge

Inventor before: Li Xuetao

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