CN216158076U - Wind power tower cylinder bolt assembly - Google Patents
Wind power tower cylinder bolt assembly Download PDFInfo
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- CN216158076U CN216158076U CN202122093337.XU CN202122093337U CN216158076U CN 216158076 U CN216158076 U CN 216158076U CN 202122093337 U CN202122093337 U CN 202122093337U CN 216158076 U CN216158076 U CN 216158076U
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- cross plate
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Abstract
The utility model discloses a wind power tower cylinder bolt assembly which comprises a nut, a first round rod, a first external threaded rod and a nut, wherein the lower end face of the nut is provided with the coaxial first round rod, the lower end face of the first round rod is provided with the coaxial first external threaded rod, the first external threaded rod is screwed with the corresponding nut and comprises a cross groove, a U-shaped groove, a cross plate and a protrusion, the cross groove is formed in the lower end face of the first external threaded rod, the axis of the cross groove is coaxial with the axis of the first external threaded rod, the cross groove radially penetrates through the external thread wall of the first external threaded rod, and the cross groove vertically and upwards extends to a proper position. According to the utility model, the cross plate is clamped between the nut and the first external thread rod, so that relative rotation between the nut and the first external thread rod is avoided, the position of the nut is ensured to be limited on the first external thread rod, the nut is firmly installed on the first external thread rod, and the risk caused by looseness between the nut and the first external thread rod is avoided.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field of bolts, in particular to the technical field of a wind power tower cylinder bolt assembly.
[ background of the utility model ]
The bolt is a mechanical part and is a cylindrical threaded fastener matched with a nut. A fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut and is used for fastening and connecting two parts with through holes. The connection form is called bolt connection, the bolt connection is widely applied, and is one of important connection forms of the wind power tower, after the conventional bolt assembly is installed, the bolt and the nut are easy to loosen, and long-time firm dark rotation cannot be realized
[ Utility model ] content
The utility model aims to solve the problems in the prior art, and provides a wind power tower cylinder bolt assembly which can ensure that after a nut is installed on a bolt, the nut and the bolt cannot be loosened and are firmly installed.
In order to achieve the purpose, the utility model provides a wind power tower cylinder bolt assembly, which comprises a nut, a first round rod, a first external thread rod and a nut, wherein the lower end face of the nut is provided with the coaxial first round rod, the lower end face of the first round rod is provided with the coaxial first external thread rod, the first external thread rod is screwed with the adaptive nut and comprises a cross groove, a U-shaped groove, a cross plate and a protrusion, the cross groove is arranged on the lower end face of the first external thread rod, the axis of the cross groove is coaxial with the axis of the first external thread rod, the cross groove radially penetrates through the external thread wall of the first external thread rod, the cross groove vertically extends upwards to a proper position, the inner groove wall of the cross groove is provided with the groove, the inner thread pipe wall of the nut is provided with four axially arranged U-shaped grooves, the U-shaped groove axially extends from the upper end face to the lower end face of the nut, the four U-shaped grooves are adaptive to the cross groove, the protrusion adaptive to the groove is arranged on the outer wall of the cross plate, the cross plate is inserted into the cross groove, the protrusions are clamped into the corresponding grooves, and the four plate bodies on the periphery of the cross plate radially extend out of the outer thread wall of the first outer thread rod and are clamped into the four U-shaped grooves in a one-to-one correspondence mode.
Preferably, after the nut is mounted on the first external thread rod, the height of the uppermost horizontal surface of the cross groove is lower than that of the uppermost horizontal surface of the nut, and the difference between the height of the uppermost horizontal surface of the cross groove and the height of the uppermost horizontal surface of the nut is less than half of the axial length of the nut.
Preferably, after the nut is mounted on the first external thread rod, the four U-shaped grooves are matched with the cross-shaped grooves, and the grooves are positioned below the lower end face of the nut.
Preferably, the cross plate mainly comprises a first cross plate and a second cross plate, the first cross plate is matched with the cross groove, four plate bodies on the periphery of the first cross plate radially extend out from the outer thread wall of the first external thread rod and are clamped into the four U-shaped grooves in a one-to-one correspondence mode, the lower end face of the first cross plate is coplanar with the lower end face of the nut, the lower end face of the first cross plate is provided with a coaxial second cross plate, the outer diameter of the second cross plate is equal to that of the first external thread rod, and the lower end face of the second cross plate is coplanar with that of the first external thread rod.
Preferably, the lower end face of the second cross plate is provided with a second coaxial round rod, the outer wall of the second round rod is provided with a through hole, the through hole radially penetrates through the second round rod, and the first cross plate, the second cross plate and the second round rod are of an integrated structure.
Preferably, the vertical cross section of the groove is arc-shaped.
The utility model has the beneficial effects that: according to the utility model, the cross plate is clamped between the nut and the first external threaded rod, so that relative rotation cannot be generated between the nut and the first external threaded rod, the position of the nut is ensured to be limited on the first external threaded rod, the nut is firmly installed on the first external threaded rod, and the risk caused by looseness between the nut and the first external threaded rod is avoided; after the nut is installed on the first external thread rod, the height of the uppermost horizontal plane of the cross groove is lower than the horizontal height of the uppermost horizontal plane of the nut, so that the cross groove can be effectively utilized; the difference between the horizontal height of the uppermost end of the cross groove and the horizontal height of the uppermost end of the nut is less than half of the axial length of the nut, so that a first cross plate clamped between the nut and the first external threaded rod has sufficient axial length, the axial length of the first cross plate is too short and is easy to deform, and when the connection of the nut and the threaded rod is not impacted, the nut is easy to extrude and deform the first cross plate so as to cause the nut to loosen; when the protrusion is clamped into the groove, the cross groove needs to be expanded outwards, the groove is located below the lower end face of the nut, the first external thread rod on the outer side of the groove is not pressed by the nut, and the protrusion is easily clamped into the groove.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a front view of a wind tower bolt assembly of the present invention;
FIG. 2 is a top sectional view of a wind tower bolt assembly of the present invention.
[ detailed description ] embodiments
Referring to fig. 1 and 2, the wind power tower bolt assembly of the utility model comprises a nut 1, a first round bar 20, a first external threaded bar 21 and a nut 3, wherein the lower end surface of the nut 1 is provided with the first round bar 20 which is coaxial, the lower end surface of the first round bar 20 is provided with the first external threaded bar 21 which is coaxial, the first external threaded bar 21 is screwed with the nut 3 which is matched with the first external threaded bar 21 and comprises a cross groove 211, a groove 212, a U-shaped groove 31, a cross plate 4 and a bulge 40, the cross groove 211 is arranged on the lower end surface of the first external threaded bar 21, the axis of the cross groove 211 is coaxial with the axis of the first external threaded bar 21, the cross groove 211 radially penetrates through the external threaded wall of the first external threaded bar 21, the cross groove 211 vertically extends upwards to a proper position, the inner groove wall of the cross groove 211 is provided with the groove 212, the inner threaded pipe wall of the nut 3 is provided with four U-shaped grooves 31 which are axially arranged, the U-shaped groove 31 axially extends from the upper end surface of the nut 3 to the lower end surface, four U-shaped grooves 31 are adapted to cross recess 211, and be equipped with the arch 40 that suits with recess 212 on the outer wall of cross plate 4, and cross plate 4 inserts in cross recess 211, and arch 40 card is gone into in the recess 212 that corresponds, and four block plate bodies all around of cross plate 4 radially stretch out and the one-to-one correspondence card goes into four U-shaped grooves 31 from the external screw thread wall of first external screw thread pole 21, nut 3 is after the installation is accomplished on first external screw thread pole 21, and cross recess 211 topmost horizontal level is less than nut 3 topmost horizontal level, and the difference between cross recess 211 topmost horizontal level and nut 3 topmost horizontal level is less than half of nut 3 axial length, nut 3 is after the installation is accomplished on first external screw thread pole 21, and four U-shaped grooves 31 are adapted to cross recess 211, and recess 212 is located nut 3 lower terminal surface below, cross plate 4 is mainly by first cross plate 41, The second cross plate 42 is formed, the first cross plate 41 is adapted to the cross groove 211, four plate bodies around the first cross plate 41 radially extend out from the outer thread wall of the first outer thread rod 21 and are clamped into the four U-shaped grooves 31 in a one-to-one correspondence manner, the lower end face of the first cross plate 41 is coplanar with the lower end face of the nut 3, the lower end face of the first cross plate 41 is provided with the coaxial second cross plate 42, the outer diameter of the second cross plate 42 is equal to the outer diameter of the first outer thread rod 21, the lower end face of the second cross plate 42 is coplanar with the lower end face of the first outer thread rod 21, the lower end face of the second cross plate 42 is provided with the coaxial second round rod 43, the outer wall of the second round rod 43 is provided with a through hole 431, the through hole 431 radially penetrates through the second round rod 43, the first cross plate 41, the second cross plate 42 and the second round rod 43 are of an integrated structure, and the vertical section of the groove 212 is arc-shaped.
The working process of the utility model is as follows:
in the working process of the wind power tower cylinder bolt assembly, when the bolt is installed, the first step is carried out; a second step of passing the first externally threaded rod 21 through the mounting hole; screwing the nut 3 onto the first externally threaded rod 21, a third step; the integrated structure composed of the first cross plate 41, the second cross plate 42 and the second round rod 43 is adaptively inserted into the cross groove 211, four plate bodies around the first cross plate 41 radially extend out from the outer thread wall of the first outer thread rod 21 and are clamped into the four U-shaped grooves 31 in a one-to-one correspondence manner, the lower end face of the first cross plate 41 is coplanar with the lower end face of the nut 3, when the bolt is disassembled, a proper tool is utilized to penetrate through the through hole 431 and pull out the integrated structure composed of the first cross plate 41, the second cross plate 42 and the second round rod 43 from the cross groove 211, and then the nut 3 is screwed down.
According to the utility model, the cross plate 4 is clamped between the nut 3 and the first external thread rod 21, so that relative rotation between the nut 3 and the first external thread rod 21 is avoided, the position of the nut 3 can be ensured to be limited on the first external thread rod 21, the nut 3 is firmly installed on the first external thread rod 21, and the risk caused by looseness between the nut 3 and the first external thread rod 21 is avoided; after the nut 3 is mounted on the first external thread rod 21, the height of the uppermost horizontal surface of the cross recess 211 is lower than that of the uppermost horizontal surface of the nut 3, so that the cross recess 211 can be effectively used, and if the height of the uppermost horizontal surface of the cross recess 211 is higher than that of the uppermost horizontal surface of the nut 3, the cross recess 211 in which the height of the uppermost horizontal surface of the cross recess 211 is higher than that of the uppermost horizontal surface of the nut 3 cannot be inserted into the cross plate 4, and is useless; the difference between the horizontal height of the uppermost end of the cross-shaped groove 211 and the horizontal height of the uppermost end of the nut 3 is less than half of the axial length of the nut 3, so that the first cross plate 41 clamped between the nut 3 and the first external threaded rod 21 has sufficient axial length, the axial length of the first cross plate 41 is too short and is easy to deform, and when the connection between the nut 3 and the threaded rod 21 is not impacted, the nut 3 is easy to extrude and deform the first cross plate 41 so as to loosen the nut 3; when the projection 40 is fitted into the groove 212, the cross-shaped recess 211 needs to be spread outward, and the groove 212 is located below the lower end surface of the nut 3, so that the first externally threaded rod 21 outside the groove 212 is not pressed by the nut 3, and the projection 40 is easily fitted into the groove 212.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (6)
1. The utility model provides a wind power tower cylinder bolt assembly, includes nut (1), first round bar (20), first external screw thread pole (21), nut (3), and the lower terminal surface of nut (1) is equipped with coaxial first round bar (20), and the lower terminal surface of first round bar (20) is equipped with coaxial first external screw thread pole (21), twists nut (3) that have adapted on first external screw thread pole (21), its characterized in that: comprises a cross groove (211), a groove (212), a U-shaped groove (31), a cross plate (4) and a protrusion (40), wherein the cross groove (211) is arranged on the lower end face of a first external thread rod (21), the axis of the cross groove (211) is coaxial with the axis of the first external thread rod (21), the cross groove (211) radially penetrates through the external thread wall of the first external thread rod (21), the cross groove (211) vertically extends upwards to a proper position, the inner groove wall of the cross groove (211) is provided with the groove (212), the inner thread wall of a nut (3) is provided with four U-shaped grooves (31) which are axially arranged, the U-shaped grooves (31) axially extend to the lower end face from the upper end face of the nut (3), the four U-shaped grooves (31) are matched with the cross groove (211), the protrusion (40) matched with the groove (212) is arranged on the outer wall of the cross plate (4), and the cross plate (4) is inserted into the cross groove (211), the protrusions (40) are clamped into the corresponding grooves (212), and four plate bodies on the periphery of the cross plate (4) radially extend out from the outer thread wall of the first outer thread rod (21) and are clamped into the four U-shaped grooves (31) in a one-to-one correspondence mode.
2. The wind tower bolt assembly of claim 1, wherein: after the nut (3) is installed on the first external thread rod (21), the height of the uppermost horizontal plane of the cross groove (211) is lower than that of the uppermost horizontal plane of the nut (3), and the difference between the height of the uppermost horizontal plane of the cross groove (211) and the height of the uppermost horizontal plane of the nut (3) is smaller than one half of the axial length of the nut (3).
3. The wind tower bolt assembly of claim 1, wherein: after the nut (3) is installed on the first external thread rod (21), the four U-shaped grooves (31) are matched with the cross-shaped groove (211), and the groove (212) is positioned below the lower end face of the nut (3).
4. The wind tower bolt assembly of claim 1, wherein: the cross plate (4) mainly comprises a first cross plate (41) and a second cross plate (42), the first cross plate (41) is matched with the cross groove (211), four plate bodies on the periphery of the first cross plate (41) radially extend out from the outer thread wall of the first outer thread rod (21) and are clamped into the four U-shaped grooves (31) in a one-to-one correspondence mode, the lower end face of the first cross plate (41) is coplanar with the lower end face of the nut (3), the lower end face of the first cross plate (41) is provided with a coaxial second cross plate (42), the outer diameter of the second cross plate (42) is equal to the outer diameter of the first outer thread rod (21), and the lower end face of the second cross plate (42) is coplanar with the lower end face of the first outer thread rod (21).
5. The wind tower bolt assembly of claim 4, wherein: the lower terminal surface of second cross plate (42) is equipped with coaxial second round bar (43), is equipped with through-hole (431) on the outer wall of second round bar (43), and second round bar (43) radially run through-hole (431), first cross plate (41), second cross plate (42), second round bar (43) formula structure as an organic whole.
6. The wind tower bolt assembly of claim 1, wherein: the vertical section of the groove (212) is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122093337.XU CN216158076U (en) | 2021-09-01 | 2021-09-01 | Wind power tower cylinder bolt assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122093337.XU CN216158076U (en) | 2021-09-01 | 2021-09-01 | Wind power tower cylinder bolt assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216158076U true CN216158076U (en) | 2022-04-01 |
Family
ID=80841019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122093337.XU Active CN216158076U (en) | 2021-09-01 | 2021-09-01 | Wind power tower cylinder bolt assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216158076U (en) |
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2021
- 2021-09-01 CN CN202122093337.XU patent/CN216158076U/en active Active
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