CN211259317U - Locking pad and main anti-loosening device for mounting bolt - Google Patents
Locking pad and main anti-loosening device for mounting bolt Download PDFInfo
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- CN211259317U CN211259317U CN201922152380.1U CN201922152380U CN211259317U CN 211259317 U CN211259317 U CN 211259317U CN 201922152380 U CN201922152380 U CN 201922152380U CN 211259317 U CN211259317 U CN 211259317U
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Abstract
The utility model belongs to the technical field of helicopter structural design, and discloses a locking pad and a main reducer mounting bolt anti-loosening device, wherein the locking pad is used for locking two bolts and is marked as a first bolt and a second bolt; the locking pad includes: the bolt locking device comprises a connecting structure, two bolt mounting holes, two locking holes and two locking wires; the two bolt mounting holes are connected through the connecting structure; the two bolt mounting holes are respectively mounted on the first bolt and the second bolt, the fuse hole in the first bolt is connected with one locking hole through one locking wire, and the fuse hole in the second bolt is connected with the other locking hole through the other locking wire, so that the problem that fuses cannot be mutually arranged between the bolts due to the fact that the structure of the casing is complex is solved.
Description
Technical Field
The utility model belongs to the technical field of helicopter structural design, especially, relate to a locking pad and main mounting bolt locking device that subtracts.
Background
Under the action of impact, vibration or alternating load of the helicopter, the friction force between the screw pairs can be reduced or instantly disappears, and after the phenomenon is repeated for many times, the connection can be loosened, so that serious accidents of the helicopter are caused.
The fundamental problem of anti-loosening is to prevent relative rotation of the screw pairs when loaded. The mounting bolt of the speed reducer of the helicopter is generally used for making a fuse at the head part of the bolt, but due to the structural limitation, all the bolts can not mutually make a fuse.
SUMMERY OF THE UTILITY MODEL
To the problem among the above-mentioned background art, the utility model aims to provide a locking pad and main mounting bolt locking device that subtracts has avoided because the machine casket structure is complicated for can not beat the problem of insurance each other between the bolt.
In order to achieve the above purpose, the present invention is realized by the following technique.
The first technical scheme is as follows:
a locking pad for locking two bolts, denoted first bolt and second bolt; the locking pad includes: the bolt locking device comprises a connecting structure, two bolt mounting holes, two locking holes and two locking wires;
the two bolt mounting holes are connected through the connecting structure;
the two bolt mounting holes are respectively mounted on the first bolt and the second bolt, the fuse hole in the first bolt is connected with one locking hole through one locking wire, and the fuse hole in the second bolt is connected with the other locking hole through the other locking wire.
The utility model discloses technical scheme one's characteristics and further improvement do:
the connecting structure is a rigid structure.
The second technical scheme is as follows:
a main reduction mounting bolt anti-loosening apparatus, the apparatus comprising:
the device comprises a speed reducer casing (1), a first bolt (2), a second bolt (3), a locking pad (4), a machine body platform (5), a first nut (6) and a second nut (7);
the speed reducer casing (1) is connected with the machine body platform (5) through a first bolt (2), a second bolt (3), a first nut (6) and a second nut (7), and the locking pad (4) is installed between the first bolt (2), the second bolt (3) and the speed reducer casing (1).
The utility model discloses technical scheme two's characteristics and further improvement do:
(1) a locking pad (4) is arranged between the first bolt (2), the second bolt (3) and the speed reducer casing (1), so that a fuse is arranged between the first bolt (2) and the locking pad (4), and a fuse is arranged between the second bolt (3) and the locking pad (4).
(2) The first bolt (2) is connected with one bolt mounting hole of the locking pad (4), the second bolt (3) is connected with the other bolt mounting hole of the locking pad (4), the safety hole of the first bolt (2) is connected with one locking hole of the locking pad (4) through one locking wire, and the safety hole of the second bolt (3) is connected with the other locking hole of the locking pad (4) through the other locking wire.
(3) When the first bolt (2) and the second bolt (3) are not loosened, the locking pad (4) is arranged between the first bolt (2) and the second bolt (3) and cannot rotate due to loading, and the two locking wires are tensioned to inhibit the first bolt (2) and the second bolt (3) from rotating in the loosening direction.
The utility model has the advantages that: the utility model discloses technical scheme has installed the locking pad between two bolts, and the locking pad can not rotate because of the production of bearing the load, and when two bolts were not hard up, will tighten the lock wire and restrain the bolt and rotate to not hard up direction, and the locking mode of this kind of bolt is simple, and compact structure has avoided because the machine casket structure is complicated simultaneously for can not each other beat the defect of insurance between the bolt.
Drawings
Fig. 1 is a schematic structural diagram of a locking pad according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a main reducing mounting bolt anti-loosening device provided in an embodiment of the present invention;
wherein, a is connection structure, b and c are two bolt mounting holes, e and d are two locking holes, f is two locking screws, 1 is the reduction gear machine casket, 2 is first bolt, 3 is the second bolt, 4 is the locking pad, 5 is first nut, 6 is the second nut, 7 is the fuselage platform.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model provides a locking pad, as shown in fig. 1, the locking pad is used for locking two bolts, and is marked as a first bolt and a second bolt; the locking pad includes: a connecting structure a, two bolt mounting holes b and c, two locking holes d and e, and two locking wires f (see fig. 2);
the two bolt mounting holes are connected through the connecting structure;
the two bolt mounting holes are respectively mounted on the first bolt and the second bolt, the fuse hole in the first bolt is connected with one locking hole through one locking wire, and the fuse hole in the second bolt is connected with the other locking hole through the other locking wire.
The connecting structure is a rigid structure.
The embodiment of the utility model provides a still provide a main mounting bolt locking device that subtracts, as shown in FIG. 2, the device includes: the device comprises a speed reducer casing (1), a first bolt (2), a second bolt (3), a locking pad (4), a machine body platform (5), a first nut (6) and a second nut (7);
the speed reducer casing (1) is connected with the machine body platform (5) through a first bolt (2), a second bolt (3), a first nut (6) and a second nut (7), and the locking pad (4) is installed between the first bolt (2), the second bolt (3) and the speed reducer casing (1).
Further, in the above-mentioned case,
a locking pad (4) is arranged between the first bolt (2), the second bolt (3) and the speed reducer casing (1), so that a fuse is arranged between the first bolt (2) and the locking pad (4), and a fuse is arranged between the second bolt (3) and the locking pad (4).
The first bolt (2) is connected with one bolt mounting hole of the locking pad (4), the second bolt (3) is connected with the other bolt mounting hole of the locking pad (4), the safety hole of the first bolt (2) is connected with one locking hole of the locking pad (4) through one locking wire, and the safety hole of the second bolt (3) is connected with the other locking hole of the locking pad (4) through the other locking wire.
When the first bolt (2) and the second bolt (3) are not loosened, the locking pad (4) is arranged between the first bolt (2) and the second bolt (3) and cannot rotate due to loading, and the two locking wires are tensioned to inhibit the first bolt (2) and the second bolt (3) from rotating in the loosening direction.
The utility model has the advantages that: the utility model discloses technical scheme has installed the locking pad between two bolts, and the locking pad can not rotate because of the production of bearing the load, and when two bolts were not hard up, will tighten the lock wire and restrain the bolt and rotate to not hard up direction, and the locking mode of this kind of bolt is simple, and compact structure has avoided because the machine casket structure is complicated simultaneously for can not each other beat the defect of insurance between the bolt.
The above description is only for the specific embodiments of the present invention, and the present invention is described in detail, and the detailed description is not the conventional technology. However, the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. The protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A locking pad is characterized in that the locking pad is used for locking two bolts, namely a first bolt and a second bolt; the locking pad includes: the bolt locking device comprises a connecting structure, two bolt mounting holes, two locking holes and two locking wires;
the two bolt mounting holes are connected through the connecting structure;
the two bolt mounting holes are respectively mounted on the first bolt and the second bolt, the fuse hole in the first bolt is connected with one locking hole through one locking wire, and the fuse hole in the second bolt is connected with the other locking hole through the other locking wire.
2. A lock pad according to claim 1, wherein the attachment formation is a rigid formation.
3. A main reducing mounting bolt anti-loosening apparatus implemented using the locking pad of any one of claims 1-2, the apparatus comprising:
the device comprises a speed reducer casing (1), a first bolt (2), a second bolt (3), a locking pad (4), a machine body platform (5), a first nut (6) and a second nut (7);
the speed reducer casing (1) is connected with the machine body platform (5) through a first bolt (2), a second bolt (3), a first nut (6) and a second nut (7), and the locking pad (4) is installed between the first bolt (2), the second bolt (3) and the speed reducer casing (1).
4. A main reducing mounting bolt looseness prevention device according to claim 3,
a locking pad (4) is arranged between the first bolt (2), the second bolt (3) and the speed reducer casing (1), so that a fuse is arranged between the first bolt (2) and the locking pad (4), and a fuse is arranged between the second bolt (3) and the locking pad (4).
5. A main reducing mounting bolt looseness prevention device according to claim 3,
the first bolt (2) is connected with one bolt mounting hole of the locking pad (4), the second bolt (3) is connected with the other bolt mounting hole of the locking pad (4), the safety hole of the first bolt (2) is connected with one locking hole of the locking pad (4) through one locking wire, and the safety hole of the second bolt (3) is connected with the other locking hole of the locking pad (4) through the other locking wire.
6. A primary lock bolt anti loosening device according to claim 5,
when the first bolt (2) and the second bolt (3) are not loosened, the locking pad (4) is arranged between the first bolt (2) and the second bolt (3) and cannot rotate due to loading, and the two locking wires are tensioned to inhibit the first bolt (2) and the second bolt (3) from rotating in the loosening direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922152380.1U CN211259317U (en) | 2019-12-04 | 2019-12-04 | Locking pad and main anti-loosening device for mounting bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922152380.1U CN211259317U (en) | 2019-12-04 | 2019-12-04 | Locking pad and main anti-loosening device for mounting bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211259317U true CN211259317U (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922152380.1U Active CN211259317U (en) | 2019-12-04 | 2019-12-04 | Locking pad and main anti-loosening device for mounting bolt |
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|---|---|
| CN (1) | CN211259317U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115848420A (en) * | 2023-02-21 | 2023-03-28 | 四川工程职业技术学院 | Tourism sightseeing cable car protection machanism and sightseeing cable car |
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2019
- 2019-12-04 CN CN201922152380.1U patent/CN211259317U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115848420A (en) * | 2023-02-21 | 2023-03-28 | 四川工程职业技术学院 | Tourism sightseeing cable car protection machanism and sightseeing cable car |
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