CN218207404U - Anti-loosening bolt for transmission tower - Google Patents
Anti-loosening bolt for transmission tower Download PDFInfo
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- CN218207404U CN218207404U CN202222527356.3U CN202222527356U CN218207404U CN 218207404 U CN218207404 U CN 218207404U CN 202222527356 U CN202222527356 U CN 202222527356U CN 218207404 U CN218207404 U CN 218207404U
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Abstract
The utility model discloses a steel pylons check bolt, including the bolt head, the bottom body coupling of bolt head has the screw thread post, the threaded bush is equipped with stop nut on the screw thread post, the bottom of screw thread post is connected with down spacing carousel through connecting threaded rod one, screw thread through-hole one has been seted up in the screw thread post, screw thread through-hole one with a connecting threaded rod threaded connection, be located in screw thread through-hole one the one end of bolt head is equipped with connecting threaded rod two, be equipped with in the connecting threaded rod one with connecting threaded rod two that matches mutually, spacing carousel with stop nut lug connection has outer locking mechanism, beneficial effect: the device is simple in structure and convenient to use, can effectively prevent the bolt from being locked by the three locking devices after being installed, ensures that the problem of loose connection can not occur under any condition, and prevents potential safety hazards.
Description
Technical Field
The utility model relates to a fastener technical field particularly, relates to an iron tower check bolt that transmits power.
Background
The transmission line iron tower is a tower-shaped building for power transmission. The structure of the truss type steel truss is characterized in that various tower types belong to space truss structures, a rod piece mainly comprises single equilateral angle steel or combined angle steel, a bolt is a fastener consisting of a head part and a screw rod, the bolt is matched with a nut and is used for fastening and connecting two parts with through holes, and the connection form is called bolt connection. Bolts are scarce in daily life and in industrial production and manufacture, and are also called industrial rice. It can be seen that the bolt has wide application. In the power transmission iron tower, various bolts are needed for connection and fixation.
For example, chinese patent No. CN201822017286.0 discloses a bolt assembly, which improves the integrity between a first reinforcing rib and a second reinforcing rib by the cooperation between the two reinforcing ribs, and further ensures the structural strength between the bolt head and the bolt rod according to the stability of the triangle.
However, in the actual use process, because the bolt is used for a long time, the metal piece receives the reason of expend with heat and contract with cold and stress, leads to very easily that the bolt appears becoming flexible, leads to connecting portion to appear becoming flexible, causes the potential safety hazard.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the problem in the correlation technique, the utility model provides a steel pylons check bolt to overcome the above-mentioned technical problem that current correlation technique exists.
The technical scheme of the utility model is realized like this:
the utility model provides an iron tower check bolt that transmits power, includes the bolt head, the bottom an organic whole of bolt head is connected with the screw thread post, threaded sleeve is equipped with stop nut on the screw thread post, connecting threaded rod one is connected with spacing carousel through the bottom of screw thread post, screw thread through-hole one has been seted up in the screw thread post, screw thread through-hole one with connecting threaded rod threaded connection, be located in screw thread through-hole one the one end of bolt head is equipped with connecting threaded rod two, be equipped with in the connecting threaded rod one with connecting threaded rod two-phase matched's screw thread through-hole two, stop dial with stop nut lug connection has outer locking mechanical system, outer locking mechanical system is including seting up two positioning screw holes on the spacing carousel, the threaded locking lever runs through in the positioning screw hole, stop nut's bottom one side is equipped with circular groove, the one end of threaded locking lever extends to in the circular groove, the other end of threaded locking lever is located stop dial's both sides all are equipped with lock nut.
Furthermore, the bottom of the bolt head is provided with a square groove, and the bottom of the limiting rotary table is provided with a cross-shaped groove.
Furthermore, the outer walls of the bolt head, the threaded column, the first connecting threaded rod and the limiting rotary table are all coated with antirust paint.
Furthermore, an elastic washer I is arranged below the bolt head, and a sealing washer II is arranged above the limiting nut.
Furthermore, the depth of the first threaded through hole is the same as the length of the first connecting threaded rod, and the length of the second connecting threaded rod is the same as the depth of the second threaded through hole.
The utility model provides a steel pylons check bolt, beneficial effect as follows:
the bolt head locking device is characterized in that a threaded column is integrally connected to the bottom of the bolt head, a limiting nut is sleeved on the threaded column in a threaded manner, the bottom end of the threaded column is connected with a limiting turntable through a first connecting threaded rod, a first threaded through hole is formed in the threaded column and is in threaded connection with a first connecting threaded rod, a second connecting threaded rod is arranged at one end, located on the bolt head, in the first threaded through hole, a second threaded through hole matched with the second connecting threaded rod is formed in the first connecting threaded rod, the limiting turntable and the limiting nut are directly connected with an external locking mechanism.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a locking bolt of a power transmission tower according to an embodiment of the present invention;
fig. 2 is a schematic view of a connection structure of a first connection threaded rod in a check bolt of a power transmission tower according to an embodiment of the invention;
fig. 3 is a schematic structural view of an outer locking mechanism in a locking bolt of an iron tower for power transmission according to an embodiment of the present invention.
In the figure:
1. a bolt head; 2. a threaded post; 3. a limit nut; 4. connecting a first threaded rod; 5. a limiting turntable; 6. a first threaded through hole; 7. connecting a second threaded rod; 8. a second threaded through hole; 9. an outer locking mechanism; 10. a threaded locking bar; 11. positioning the threaded hole; 12. locking the nut; 13. a square groove; 14. a first elastic washer; 15. a second sealing washer; 16. a cross-shaped groove; 17. a circular groove.
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 all belong to the protection scope of the present invention.
The invention is further described with reference to the following drawings and detailed description:
the first embodiment is as follows:
please refer to fig. 1-3, according to the embodiment of the present invention, a locking bolt for a transmission tower includes a bolt head 1, a threaded column 2 is integrally connected to the bottom of the bolt head 1, a stop nut 3 is threadedly mounted on the threaded column 2, a stop turntable 5 is connected to the bottom end of the threaded column 2 through a first connecting threaded rod 4, a first threaded through hole 6 is formed in the threaded column 2, the first threaded through hole 6 is threadedly connected to the first connecting threaded rod 4, a second connecting threaded rod 7 is threadedly mounted at one end of the bolt head 1 in the first threaded through hole 6, a second threaded through hole 8 matched with the second connecting threaded rod 7 is mounted in the first connecting threaded rod 4, an outer locking mechanism 9 is directly connected to the stop turntable 5 and the outer locking mechanism 9 includes two positioning threaded holes 11 formed in the stop turntable 5, a locking rod 10 penetrates through the positioning threaded holes 11, a circular groove 17 is formed in one side of the bottom of the stop nut 3, one end of the locking rod 10 extends into the circular groove 17, and a locking nut 12 is disposed on both sides of the other end of the stop turntable 5.
Through the above scheme of the utility model, the bottom of the bolt head 1 is integrally connected with the threaded column 2, the threaded sleeve on the threaded column 2 is provided with the limit nut 3, the bottom end of the threaded column 2 is connected with the limit turntable 5 through the connecting threaded rod one 4, the threaded column 2 is internally provided with the threaded through hole one 6, the threaded through hole one 6 is in threaded connection with the connecting threaded rod one 4, one end of the threaded through hole one 6, which is positioned at the bolt head 1, is provided with the connecting threaded rod two 7, the connecting threaded rod one 4 is internally provided with the threaded through hole two 8 matched with the connecting threaded rod two 7, the limit turntable 5 and the limit nut 3 are directly connected with the outer locking mechanism 9, the outer locking mechanism 9 comprises two positioning threaded holes 11 arranged on the limit turntable 5, and the threaded locking rod 10 penetrates through the positioning threaded through holes 11, when the screw locking device is used, firstly, the threaded column 2 passes through a hole prepared in advance, then the limiting nut 3 is gradually rotated from the bottom of the threaded column 2 to be attached to the bottom of an object to be fastened to complete first locking, then, the connecting threaded rod I4 is rotated into the threaded through hole I6, and the connecting threaded rod II 7 is rotated into the threaded through hole II 8 to complete second locking, finally, the threaded locking rod 10 passes through the positioning threaded hole 11 on the limiting rotary disc 5, and one end of the threaded locking rod 10 extends into the circular groove 17, and then, the threaded locking rod 10 is limited from two sides of the limiting rotary disc 5 through the locking nut 12, the third locking is completed, the structure of the device is simple, the use is convenient, the bolt can be effectively prevented from being installed, the problem of connection looseness can be avoided under any condition through the three locking, and potential safety hazards can be prevented.
The second embodiment:
as shown in fig. 1-2, a square groove 13 is formed in the bottom of the bolt head 1, a cross-shaped groove 16 is formed in the bottom of the limiting rotary disc 5, the bolt head 1 can be matched with the threaded column 2 to rotate conveniently through the square groove 13, and the connecting threaded rod one 4 can be rotated conveniently through the cross-shaped groove 16;
example three:
as shown in fig. 1-2, the outer walls of the bolt head 1, the threaded column 2, the first connecting threaded rod 4 and the limiting rotary table 5 are all coated with antirust paint, and the surfaces of the bolt head, the threaded column 2, the first connecting threaded rod 4 and the limiting rotary table 5 are prevented from rusting under the action of the antirust paint;
example four:
as shown in fig. 1, an elastic washer one 14 is arranged below the bolt head 1, a sealing washer two 15 is arranged above the limiting nut 3, and the overall sealing performance is improved and the connection stability is improved through the action of the elastic washer one 14 and the sealing washer two 15.
In practical application, firstly, the threaded column 2 penetrates through a hole prepared in advance, then the limiting nut 3 is rotated gradually from the bottom of the threaded column 2 to be attached to the bottom of an object to be fastened, first locking is completed, then the first connecting threaded rod 4 is rotated to enter the first threaded through hole 6, the second connecting threaded rod 7 is rotated to enter the second threaded through hole 8, second locking is completed, finally, the threaded locking rod 10 penetrates through the positioning threaded hole 11 in the limiting turntable 5, one end of the threaded locking rod 10 extends into the circular groove 17, then the threaded locking rod 10 is limited from two sides of the limiting turntable 5 through the locking nut 12, third locking is completed, the device is simple in structure and convenient to use, the problem of connection looseness under any condition can be effectively prevented through the three locking after the bolt is installed, and potential safety hazards are prevented.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A check bolt of a power transmission tower comprises a bolt head (1) and is characterized in that, the bottom of the bolt head (1) is integrally connected with a threaded column (2), the upper thread of the threaded column (2) is sleeved with a limit nut (3), the bottom end of the threaded column (2) is connected with a limit turntable (5) through a connecting threaded rod I (4), a first threaded through hole (6) is formed in the threaded column (2), the first threaded through hole (6) is in threaded connection with the first connecting threaded rod (4), a second connecting threaded rod (7) is arranged at one end of the bolt head (1) in the first threaded through hole (6), a second threaded through hole (8) matched with the second connecting threaded rod (7) is arranged in the first connecting threaded rod (4), the limiting turntable (5) and the limiting nut (3) are directly connected with an external locking mechanism (9), the outer locking mechanism (9) comprises two positioning threaded holes (11) arranged on the limiting turntable (5), a thread locking rod (10) penetrates through the positioning threaded hole (11), one side of the bottom of the limiting nut (3) is provided with a circular groove (17), one end of the thread locking rod (10) extends into the circular groove (17), the other end of the thread locking rod (10) is positioned on two sides of the limiting turntable (5) and is provided with a locking nut (12).
2. Anti-loose bolt for transmission towers according to claim 1, characterized in that the bottom of the bolt head (1) is provided with a square groove (13) and the bottom of the limiting turntable (5) is provided with a cross-shaped groove (16).
3. The anti-loose bolt for the transmission tower as claimed in claim 2, wherein the outer walls of the bolt head (1), the threaded column (2), the first connecting threaded rod (4) and the limiting rotary table (5) are all coated with anti-rust paint.
4. The anti-loose bolt for the transmission tower as claimed in claim 3, wherein a first elastic washer (14) is arranged below the bolt head (1), and a second sealing washer (15) is arranged above the limiting nut (3).
5. The anti-loose bolt for the power transmission tower as claimed in claim 4, wherein the depth of the first threaded through hole (6) is the same as the length of the first connecting threaded rod (4), and the length of the second connecting threaded rod (7) is the same as the depth of the second threaded through hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222527356.3U CN218207404U (en) | 2022-09-23 | 2022-09-23 | Anti-loosening bolt for transmission tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222527356.3U CN218207404U (en) | 2022-09-23 | 2022-09-23 | Anti-loosening bolt for transmission tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218207404U true CN218207404U (en) | 2023-01-03 |
Family
ID=84638306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222527356.3U Active CN218207404U (en) | 2022-09-23 | 2022-09-23 | Anti-loosening bolt for transmission tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218207404U (en) |
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2022
- 2022-09-23 CN CN202222527356.3U patent/CN218207404U/en active Active
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