CN204937534U - A kind of structure in order to eliminate structure predetermincd tension - Google Patents
A kind of structure in order to eliminate structure predetermincd tension Download PDFInfo
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- CN204937534U CN204937534U CN201520609431.8U CN201520609431U CN204937534U CN 204937534 U CN204937534 U CN 204937534U CN 201520609431 U CN201520609431 U CN 201520609431U CN 204937534 U CN204937534 U CN 204937534U
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- bolt
- erecting frame
- predetermincd tension
- fastening bolt
- bottom fastening
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Abstract
The utility model discloses a kind of structure in order to eliminate structure predetermincd tension, belong to air transport air-drop field.Described structure comprises erecting frame, to be installed, side bolt and bottom fastening bolt, described to be installed is bolted on the side of erecting frame by side, described to be installed is fixed on the base of erecting frame by bottom fastening bolt, wherein, the side corresponding position of described to be installed has bolt hole, corresponding position, to be installed base has slotted hole, when described to be installed is fixed on erecting frame by bottom fastening bolt, and after the bolt tightening of side, described bottom fastening bolt can not produce predetermincd tension with to be installed.Avoid equipment or attachment face to produce plasticity or elastic deformation because of predetermincd tension, add the fatigue life of equipment or upper class mechanism.
Description
Technical field
The utility model relates to air transport air-drop field, is specifically related to a kind of structure eliminating structure predetermincd tension.
Background technology
In carrier air transport aerial delivery provisions installation process, when a certain equipment needs to be connected with vertical two sides bolt, when tightening tie bolt, equipment or attachment face can produce plasticity or elastic deformation because of predetermincd tension, reduce the aircraft fatigue life-span.
Utility model content
In order to solve the problem, the utility model provides a kind of structure in order to eliminate structure predetermincd tension, described structure comprises erecting frame, to be installed, side bolt and bottom fastening bolt, described to be installed is bolted on the side of erecting frame by side, described to be installed is fixed on the base of erecting frame by bottom fastening bolt, wherein, the side corresponding position of described to be installed has bolt hole, corresponding position, to be installed base has slotted hole, when described to be installed is fixed on erecting frame by bottom fastening bolt, and after the bolt tightening of side, described bottom fastening bolt can not produce predetermincd tension with to be installed.Described bottom fastening bolt is suitable is placed in described slotted hole, and can move along its long limit in described slotted hole.
Preferably, for convenience of processing, the base bolt hole of described erecting frame also can be set to slotted hole.
The utility model provides a kind of structure in order to eliminate structure predetermincd tension, by by be installed wherein side mounting hole be designed to slotted hole, avoid equipment or attachment face to produce plasticity or elastic deformation because of predetermincd tension, increase the fatigue life of equipment or upper class mechanism.
Accompanying drawing explanation
Fig. 1 is the structural perspective in order to eliminate structure predetermincd tension according to the utility model one embodiment.
Fig. 2 is front view embodiment illustrated in fig. 1.
Fig. 3 is to be installed bolt aperture schematic diagram embodiment illustrated in fig. 1.
Wherein, 1 is erecting frame, and 2 is to be installed, and 3 is side bolt, and 4 is bottom fastening bolt, and 2-1 is the side bolt hole of to be installed, and 2-2 is the bottom side length circular hole of to be installed.
Detailed description of the invention
The object implemented for making the utility model, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, are further described in more detail the technical scheme in the utility model embodiment.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the utility model part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the restriction to the utility model protection domain can not be interpreted as.
As Fig. 1, shown in Fig. 2, the utility model provides a kind of structure in order to eliminate structure predetermincd tension, described structure comprises erecting frame 1, to be installed 2, side bolt 3 and bottom fastening bolt 4, described to be installed 2 is fixed on the side of erecting frame 1 by side bolt 3, described to be installed 2 is fixed on the base of erecting frame 1 by bottom fastening bolt 4, wherein, as shown in Figure 3, the side corresponding position of described to be installed 2 has bolt hole 2-1, to be installed 2 corresponding positions, base have slotted hole 2-2, when described to be installed 2 is fixed on erecting frame 1 by bottom fastening bolt 4, and after side bolt 3 tightens, described bottom fastening bolt 4 can not produce predetermincd tension with to be installed 2.For this reason known, the minor face of slotted hole 2-2 and the diameter of bolt hole 2-1 match, and the long limit of slotted hole 2-2 is greater than the diameter of bolt hole 2-1.
As in alternative of the present utility model, the long limit of slotted hole 2-2 is greater than the diameter of bolt hole 2-1, its concrete length can reference side bolt and determining, concrete, when to be installed 2 in erecting frame 1 pre-placing, along with fabricated section 2 is tightened by side bolt 3 on erecting frame 1, the long limit of slotted hole 2-2 must ensure to make end screw 4 by enough range of movement.
As the utility model one preferred embodiment, for convenience of processing, the base bolt hole of described erecting frame also can be set to slotted hole.
Should be understood that, the base described in above-described embodiment, side are comparatively speaking, and in fact the above-mentioned slotted hole being arranged on to be installed 2 bases refers to and have slotted hole on arbitrary mounting edge of described to be installed 2.
The structure that the utility model provides, when described to be installed is fixed on erecting frame by bottom fastening bolt, and after the bolt tightening of side, described bottom fastening bolt can not produce predetermincd tension with to be installed.Avoid equipment or attachment face to produce plasticity or elastic deformation because of predetermincd tension, add the fatigue life of equipment or upper class mechanism.
Finally it is to be noted: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit.Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (2)
1. one kind in order to eliminate the structure of structure predetermincd tension, it is characterized in that: comprise erecting frame (1), to be installed (2), side bolt (3) and bottom fastening bolt (4), described to be installed (2) are fixed on the side of erecting frame (1) by side bolt (3), described to be installed (2) are fixed on the base of erecting frame (1) by bottom fastening bolt (4), wherein, the side corresponding position of described to be installed (2) has bolt hole, to be installed (2) corresponding position, base has slotted hole, described bottom fastening bolt (4) is suitable is placed in described slotted hole, and can move along its long limit in described slotted hole.
2. as claimed in claim 1 in order to eliminate the structure of structure predetermincd tension, it is characterized in that: the base bolt hole of described erecting frame (1) is set to slotted hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520609431.8U CN204937534U (en) | 2015-08-13 | 2015-08-13 | A kind of structure in order to eliminate structure predetermincd tension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520609431.8U CN204937534U (en) | 2015-08-13 | 2015-08-13 | A kind of structure in order to eliminate structure predetermincd tension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204937534U true CN204937534U (en) | 2016-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520609431.8U Active CN204937534U (en) | 2015-08-13 | 2015-08-13 | A kind of structure in order to eliminate structure predetermincd tension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204937534U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526216A (en) * | 2014-09-28 | 2016-04-27 | 中国航空工业集团公司西安飞机设计研究所 | Two-parallel-face installation structure capable of eliminating structure pre-tightening force |
-
2015
- 2015-08-13 CN CN201520609431.8U patent/CN204937534U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526216A (en) * | 2014-09-28 | 2016-04-27 | 中国航空工业集团公司西安飞机设计研究所 | Two-parallel-face installation structure capable of eliminating structure pre-tightening force |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |