CN210129792U - Junction box mounting structure - Google Patents
Junction box mounting structure Download PDFInfo
- Publication number
- CN210129792U CN210129792U CN201920921209.XU CN201920921209U CN210129792U CN 210129792 U CN210129792 U CN 210129792U CN 201920921209 U CN201920921209 U CN 201920921209U CN 210129792 U CN210129792 U CN 210129792U
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- China
- Prior art keywords
- junction box
- mounting
- terminal box
- end cover
- junction
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Abstract
The utility model belongs to the technical field of aerogenerator assembles, a mounting structure of terminal box is related to, include: the terminal box comprises an end cover, a terminal box assembly and a connecting piece, wherein the end cover is positioned below the terminal box, a mounting joint surface of the end cover and the terminal box assembly is provided with a sinking groove, and the sinking groove is matched with a mounting bottom plate of the terminal box assembly; the junction box assembly is arranged in the mounting combination surface of the end cover through a bolt and a spring washer; the upper wall and the lower wall of the sinking plane, which are arranged on the mounting combination surface of the end cover and the junction box assembly, can play a role in bearing the gravity of the junction box, the junction box bolt is loosened and fails, the gravity of the junction box can act on the lower wall of the mounting plane, the shearing damage to the cable is avoided, the left displacement and the right displacement of the junction box can also be limited by the left wall and the right wall of the sinking plane, the accurate positioning of the junction box is realized, the displacement of the junction box is prevented, and finally the normal operation of the motor is influenced by the shearing action of the junction.
Description
Technical Field
The utility model belongs to the technical field of aerogenerator assembles, relate to the terminal box, especially relate to a mounting structure of terminal box.
Background
The junction box of the wind turbine is an interface that provides a connection to external transmission cables, and a plurality of cables are usually passed through the junction box. In the operation process of the junction box, the junction box is not only under the action of self gravity and partial gravity of the cable, but also under the action of alternating stress generated by the cable due to the vibration of the motor, so that the junction box is easy to generate radial displacement, the cable is sheared, and the normal operation of the wind driven generator is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a mounting structure of terminal box, realize the accurate positioning of terminal box, prevent that the terminal box from producing the displacement to avoid the cable to receive the shearing action influence motor normal operating of terminal box.
The utility model aims at solving through the following technical scheme:
this junction box mounting structure includes: the terminal box comprises an end cover, a terminal box assembly and a connecting piece, wherein the end cover is positioned below the terminal box, a mounting joint surface of the end cover and the terminal box assembly is provided with a sinking groove, and the sinking groove is matched with a mounting bottom plate of the terminal box assembly; the junction box assembly is arranged in the mounting combination surface of the end cover through a bolt and a spring washer.
Furthermore, the mounting bottom plate of the junction box assembly is provided with a plurality of symmetrical through holes.
Furthermore, four corners of the mounting bottom plate of the junction box assembly are rounded.
Furthermore, four sides of the joint surface of the mounting bottom plate of the junction box assembly and the end cover are rounded.
Furthermore, four edges of the installation combination surface of the end cover and the junction box assembly are subjected to back chipping treatment, so that complete installation is guaranteed.
Furthermore, four corners of the sinking groove are fillets which are matched with four fillets of the mounting bottom plate of the junction box assembly.
Compared with the prior art, the utility model provides a technical scheme has following beneficial effect: the sinking groove is arranged on the mounting and combining surface of the end cover and the junction box assembly, and the upper wall and the lower wall of the sinking groove can play a role in bearing the gravity of the junction box. When the terminal box bolt is loosened and fails, the gravity of the terminal box can act on the lower wall of the installation joint surface, the shearing damage to the cable is avoided, the left and right displacement of the terminal box can be limited through the left and right walls of the sinking groove, and the safe operation of the motor is ensured. The mounting bottom plate of the junction box assembly is completely embedded into the sinking groove, and then the junction box and the motor are connected together by combining the bolt and the spring washer.
In addition, the installation bottom plate of the junction box assembly is provided with a plurality of symmetrical through holes, four corners of the installation bottom plate are designed to be rounded, and four sides of the junction surface of the installation bottom plate and the end cover are designed to be rounded, so that the junction box is completely installed in place.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a schematic structural view of a junction box mounting structure provided by the present invention;
FIG. 2 is an enlarged view of a portion of area A of FIG. 1;
fig. 3 is a schematic structural diagram of the junction box assembly provided by the present invention;
FIG. 4 is a schematic cross-sectional view of FIG. 3;
fig. 5 is a schematic structural diagram of the end cap provided by the present invention;
fig. 6 is a schematic cross-sectional view of fig. 5.
Wherein: 1 is an end cover; 2 is a bolt; 3 is a spring washer; 4 is a junction box component; and 5 is a through hole.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the following claims.
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and the embodiments.
Examples
Referring to fig. 1, the utility model provides a terminal box mounting structure, include: a sinking groove is formed in the mounting combination surface of the end cover 1 and the junction box assembly 4 and is matched with a mounting bottom plate of the junction box assembly 4; the terminal box assembly 4 is mounted in the mounting joint surface of the end cover 1 through the bolt 2 and the spring washer 3.
When the bolt 2 of installation became flexible when inefficacy, the lower wall of the installation sunken plane of end cover 1 can bear certain weight of terminal box to can effectively restrict the displacement of terminal box, avoid because of the shearing damage of bolt inefficacy terminal box to the cable.
Further, as shown in fig. 3-4, the mounting bottom plate of the junction box assembly 4 is provided with a plurality of symmetrical through holes 5, four corners of the mounting bottom plate of the junction box assembly 4 are designed to be rounded, and four sides of the junction surface of the mounting bottom plate and the end cover 1 are rounded, so that the junction box is completely mounted in place.
Further, as shown in fig. 5-6, four corners of the sinking groove formed in the end cover 1 are designed to be rounded to match with four rounded corners of the mounting base plate of the terminal box assembly 4, and four sides of the mounting surface of the end cover 1 and the terminal box assembly 4 are subjected to back chipping treatment to ensure that the terminal box is completely mounted in place.
To sum up, the utility model provides a terminal box mounting structure through set up a recess that sinks on the installation faying face of end cover 1 and terminal box subassembly 4, should sink the recess and be planar structure, the installation combination is personally submitted the mounting plane, and the planar size that should sink matches with terminal box subassembly 4's mounting plate, and in terminal box subassembly 4's mounting plate imbed the above-mentioned plane that sinks completely, rethread bolt 2 links together terminal box and motor with spring washer 3. Wherein, terminal box mounted position sinks planar last lower wall promptly, can play the effect of bearing terminal box gravity, takes place not hard up the inefficacy when the terminal box bolt, and the gravity of terminal box can be used in the mounting surface lower wall, avoids causing the shearing harm to the cable, and displacement also can restrict through the planar left and right sides wall that sinks about the terminal box, ensures the safe operation of motor.
The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.
It is to be understood that the present invention is not limited to what has been described above, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (6)
1. A terminal block mounting structure, comprising: the terminal box comprises an end cover (1) positioned below a terminal box, wherein a sinking groove is formed in the mounting joint surface of the end cover (1) and a terminal box assembly (4), and the sinking groove is matched with a mounting bottom plate of the terminal box assembly (4); and the junction box assembly (4) is arranged in the mounting combination surface of the end cover (1) through a bolt (2) and a spring washer (3).
2. The junction box mounting structure according to claim 1, wherein the mounting bottom plate of the junction box assembly (4) is provided with a plurality of symmetrical through holes (5).
3. The junction box mounting structure according to claim 1, wherein four corners of the mounting base plate of the junction box assembly (4) are rounded.
4. The junction box mounting structure according to claim 1, wherein four sides of a junction surface of the mounting base plate of the junction box assembly (4) and the end cap (1) are rounded.
5. The junction box mounting structure according to claim 4, wherein four sides of a mounting junction surface of the end cap (1) and the junction box assembly (4) are subjected to back chipping.
6. The junction box mounting structure according to any one of claims 1 to 5, wherein four corners of the depressed groove are rounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920921209.XU CN210129792U (en) | 2019-06-19 | 2019-06-19 | Junction box mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920921209.XU CN210129792U (en) | 2019-06-19 | 2019-06-19 | Junction box mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210129792U true CN210129792U (en) | 2020-03-06 |
Family
ID=69664379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920921209.XU Active CN210129792U (en) | 2019-06-19 | 2019-06-19 | Junction box mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210129792U (en) |
-
2019
- 2019-06-19 CN CN201920921209.XU patent/CN210129792U/en active Active
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