CN211579467U - Electrodeless rotary high-voltage cable support - Google Patents
Electrodeless rotary high-voltage cable support Download PDFInfo
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- CN211579467U CN211579467U CN202020236288.3U CN202020236288U CN211579467U CN 211579467 U CN211579467 U CN 211579467U CN 202020236288 U CN202020236288 U CN 202020236288U CN 211579467 U CN211579467 U CN 211579467U
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Abstract
The utility model relates to a support for high tension cable on power transmission line, especially an electrodeless rotation type high tension cable support, its structural feature lies in, including supporting the horizontal pole, the lower plate, have the last outer backup pad of circular slotted hole, circular last interior backup pad and a plurality of support column, cable support stand and lower plate are connected respectively to the both ends of supporting the horizontal pole, another terminal surface of lower plate is connected respectively through a plurality of support columns and is gone up outer backup pad and last interior backup pad, on interior, the up end of outer backup pad is located the coplanar, and circular last interior backup pad be located the circular slotted hole of outer backup pad and with last outer backup pad between form ring shape seam hole, the screw and this ring shape seam hole adaptation that the both sides of cable clamp set up. The cable clamp can be adjusted in a 360-degree stepless mode on site as required in actual laying, the influence caused by the difference between theoretical radiation and actual radiation is effectively eliminated, the installation reliability is good, the efficiency is high, and the cable clamp can adapt to most of cable lines with different positions and heights.
Description
Technical Field
The utility model relates to a support, especially an electrodeless rotation type high tension cable support for high tension cable on power transmission line. The auxiliary laying method is mainly suitable for auxiliary laying of the high-voltage cable support with arc-shaped bending on the vertical plane.
Background
In the cable is laid, there is the crooked condition of laying of arc in the vertical plane of cable such as electric power shaft and terminal platform, need through increasing cable support with supplementary installation, because the vertical bending angle of every department cable is different, highly different, has the angle difference, consequently can only set out, custom design and processing to the vertical bending angle of every department cable of co-altitude department. However, such custom-designed stents suffer from the following disadvantages:
1. during design, the cable supports at different positions and different heights need to be accurately lofted according to the theoretical linear shape of the high-voltage cable, so that the workload is large, and the design and the processing standardization are not convenient;
2. compared with the structure, the high-voltage cable belongs to a flexible object, deviation exists between construction and design, and the difference exists between a design theoretical line shape and a site actual cable laying line shape, so that the deviation exists between the angle of the bracket processed and lofted according to the theoretical line shape and the angle of the actual cable laying line, the cable bracket cannot be normally used, the reliability is poor, and the efficiency is low.
Disclosure of Invention
An object of the utility model is to provide a cable linear shape, 360 electrodeless adjustments, the influence that effectively eliminates the difference that theory and actual radiation exist and lead to, good reliability, efficient electrodeless rotation type high tension cable support that can adapt to different positions co-altitude department according to prior art's weak point.
The purpose of the utility model is realized through the following ways:
an electrodeless rotary high-voltage cable support is structurally characterized by comprising a support cross rod, a lower base plate, an upper outer support plate with a circular groove hole, a circular upper inner support plate and a plurality of support columns, wherein one end of the support cross rod is connected with a cable support upright post, the other end of the support cross rod is connected with one end surface of the lower base plate, the other end surface of the lower base plate is respectively connected with the upper outer support plate and the upper inner support plate through the plurality of support columns, the upper end surfaces of the upper inner support plate and the upper outer support plate are positioned on the same plane, the circular upper inner support plate is positioned in the circular groove hole of the upper outer support plate and forms a circular slit hole with the upper outer support plate, screw holes arranged at two sides of a cable clamp are matched with the circular slit hole, the lower end parts of screw rods in the screw holes can penetrate through the circular slit hole and then are exposed at the lower end surfaces of the, and the cable clamp is arranged on the upper end surfaces of the upper inner supporting plate and the upper outer supporting plate through bolts on the exposed lower end parts of the screw rods.
Therefore, the cable clamp is installed on the upper end surfaces of the upper inner supporting plate and the upper outer supporting plate, the screw holes arranged on the two sides of the cable clamp can be just aligned to the annular slit hole between the upper inner supporting plate and the upper outer supporting plate, the hole diameter of each screw hole is matched with the diameter of the annular slit hole in the radial direction, so that the screw rod can penetrate through the screw holes and the annular slit hole and is fixedly connected with the screw bolts, and meanwhile, the screw rod can move in the annular slit hole, and the cable clamp is driven to rotate on the cable support at any angle. During the use, according to the cable laying requirement of different positions different height departments, the angle of adjustment cable clamp until satisfying actual need is then fixed through the bolt. Therefore, cable support alright in the actual laying 360 degrees electrodeless adjustment cable clamps on scene as required, the influence that the difference that effectively eliminates theory and actual radiation existence leads to, installation reliability is good, efficient, can adapt to most different positions and the cable line shape of height.
The utility model discloses can further specifically do:
the diameter of the circular annular slit is 1.5mm-2.0mm larger than the diameter of the screw hole of the cable clamp.
The diameter of the circular ring-shaped slit is the width of the slit in the diameter direction passing through the circle center of the circular upper inner support plate, so that a screw rod on the cable clamp can move in the circular ring-shaped slit smoothly, the angle of the cable clamp can be adjusted conveniently, and the width of the circular ring-shaped slit is slightly larger than the diameter of the screw hole and smaller than the outer diameter of a fixed bolt.
The support columns are divided into two groups, wherein the group A is connected with the lower bottom plate and the upper outer support plate, the group B is connected with the lower bottom plate and the upper inner support plate, and the minimum distance between the two groups of support columns is larger than the outer diameter of the bolt for fixing the cable clamp.
Therefore, the bolts can be prevented from interfering with the support columns, and the cable clamp can rotate on the cable support in a stepless mode.
The group A supporting columns are symmetrical pairwise and distributed annularly along the outer side of the circular ring-shaped seam hole at equal intervals, and the distance between one side of the group A supporting columns close to the circular ring-shaped seam hole and the central line of the circular ring-shaped seam hole is larger than half of the outer diameter of the bolt for fixing the cable clamp.
The equidistant distribution of two bisymmetry supports can let upper and outer backup pad provide balanced atress condition for the cable holder, and the rotation and the installation of the cable holder of being convenient for are fixed.
The group B supporting columns are distributed in a cross shape, a star shape or a triangular shape, and the distance between one side of the group B supporting columns close to the circular ring-shaped seam hole and the central line of the circular ring-shaped seam hole is more than half of the outer diameter of the bolt for fixing the cable clamp.
Likewise, group B support columns are the upper internal support plates that connect the main support cable clamps, and thus it is desirable to provide a more robust support structure, preferably a cross-profile, or a star-profile.
The support cross rods are connected with the lower bottom plate in a welding mode, and two ends of each support column are connected with the lower bottom plate, the upper inner support plate and the upper outer support plate respectively in a welding mode.
To sum up, the utility model provides an electrodeless rotation type high tension cable support, cooperation between the screw rod by ring shape slot structure between the last inside and outside backup pad and cable clamp provides 360 degrees electrodeless rotation angle for cable clamp, provides the rotatory support base of electrodeless rotation by bottom plate and the support that inside and outside backup pad formed through the support column for cable clamp, and the space between the top and bottom plate that the support column separates provides rotation space and fixed space for cable clamp's electrodeless rotation. The utility model has the advantages of, can be in the actual 360 electrodeless adjustment cable clamps of degree on-spot as required of laying, effectively eliminate the influence that the difference that theory and actual radiation exist leads to, installation reliability is good, efficient, can adapt to most different positions and the cable line shape of height.
Drawings
Fig. 1 is the utility model discloses electrodeless rotation type high tension cable support's structural schematic.
Fig. 2 is a sectional view taken along line a-a of fig. 1, fig. 3 is a sectional view taken along line B-B of fig. 1, and fig. 4 is a sectional view taken along line C-C of fig. 1.
The present invention will be further described with reference to the following examples.
Detailed Description
The best embodiment is as follows:
referring to the attached figures 1-4, the electrodeless rotary high-voltage cable support comprises a support cross bar 7, a lower base plate 1, an upper outer support plate 5 with a circular groove hole, a circular upper inner support plate 6 and a plurality of support columns, wherein one end of the support cross bar 7 is connected with a cable support upright post, the other end is connected with one end surface of the lower base plate 1, the other end surface of the lower base plate 1 is respectively connected with the upper outer support plate 5 and the upper inner support plate 6 through the plurality of support columns, the thickness of the upper inner support plate 6 is the same as that of the upper outer support plate 5, the upper end surface is positioned on the same plane, the circular upper inner support plate 6 is positioned in the circular groove hole of the upper outer support plate 5 and forms a circular slit hole 4 with the upper outer support plate 5, screw holes 9 arranged at two sides of a cable clamp 8 are matched with the circular slit hole 4, the lower end part of a screw rod in the, The lower end surface of the outer supporting plate moves along the direction of a circular ring, and the cable clamp is arranged on the upper end surfaces of the upper inner supporting plate 6 and the upper outer supporting plate 5 through bolts on the exposed lower end parts of the screw rods. The support columns are divided into two groups, the group A support columns 2 are connected with the lower bottom plate 1 and the upper outer support plate 5, the group B support columns 3 are connected with the lower bottom plate 1 and the upper inner support plate 6, and the minimum distance between the two groups of support columns is larger than the outer diameter of a bolt for fixing the cable clamp.
The structure scheme of the electrodeless rotary high-voltage cable bracket is provided as follows:
1) the lower bottom plate 1 is made of a circular steel plate (the shape can be designed according to construction requirements, and is preferably circular) with the diameter of D1, the upper outer support plate 5 is made of a circular steel plate (the diameter of a circular slot is D3) with the inner diameter of D3 and the outer diameter of D2; d1 should be greater than or equal to D2, which in this embodiment is D1= D2; the upper inner supporting plate is a circular steel plate with the diameter of D4; d4 is smaller than D3, and (D4-D3)/2 is larger than the screw hole diameter of the cable clamp; the thickness of the upper inner supporting plate 5 and the upper outer supporting plate 6 is the same, and the upper end surfaces of the upper inner supporting plate and the upper outer supporting plate are smooth, namely, the upper end surfaces are positioned on the same plane, and the circle centers of the lower bottom plate 1 and the upper inner supporting plate 5 are superposed.
2) Group A support column 2 comprises 4 rectangular steel plates, both ends are all through welded connection lower plate 1 and upper outer support plate 5, wherein lower plate 1 adopts all around weld connection, 4 rectangular steel plates distribute on mutually orthogonal X and Y axis, the marginal distance apart from lower plate 1 is k 1.
3) The group B supporting columns 3 are distributed in a cross shape by three rectangular steel plates at one long end and two ends, the long rectangular steel plates (with the thickness t4, the length B4, the height h 4) are positioned on the axis Y and are connected with the lower bottom plate 1 in a surrounding welding mode; two short rectangular steel plates (t 3 b3 h 3) are positioned on two sides of the long rectangular steel plate, are connected with the long rectangular steel plate by adopting double-sided fillet welding, are positioned on the X axis, and have the plane size meeting 2 b3+ t4= b 4.
4) In order to ensure that the cable clamp bolt can be smoothly locked with G5 and G6, the upper surface and the lower surface of the upper outer supporting plate 5 and the upper inner supporting plate 6 are smooth, and the requirements of construction and installation space are met, wherein h2= h3= h4=100 mm.
5) The diameter of the circular annular slit is 1.5mm-2.0mm larger than the diameter of the screw hole of the cable clamp. Namely:
(D3-D4)/2= D + (1.5-2.0) mm, D is the nominal diameter of the cable clamp bolt.
6) In order to ensure that the cable clamp can rotate on the bracket in an electrodeless way, the bolt holes can be ensured to pass through the two groups of support columns. The distance between A, B sets of support posts on the X/Y axis is typically 50mm, which is required by the following equation:
0.5*D1-k1-b2-0.5*b4=50mm。
7) the supporting cross rod 7 is a seamless steel pipe, one end of the supporting cross rod is welded with the periphery of the lower bottom plate 1, the other end of the supporting cross rod is welded with the support upright post, the length L = 200-.
The utility model discloses a main points and technological effect embody as follows:
1) 360-degree stepless adjustment of the cable clamp can be realized through the annular slot formed between the upper inner supporting plate and the outer supporting plate.
2) According to the cable clamps adopted by different cable models, a series of standardized electrodeless rotary high-voltage cable supports can be produced for selection of actual engineering, the cable supports at different positions and heights do not need to be lofted according to the theoretical line shape of the high-voltage cable, and the standardization of design, processing and installation is realized;
3) for a high-voltage cable bent on a vertical plane, the support can be subjected to 360-degree stepless adjustment, any linear angle of an on-site actually laid cable can be suitable, and the influence caused by the difference between a theoretical linear shape and an actually laid cable linear shape is eliminated.
The part of the utility model which is not described is the same as the prior art.
Claims (5)
1. An electrodeless rotary high-voltage cable support is characterized by comprising a support cross rod, a lower base plate, an upper outer support plate with a circular groove hole, a circular upper inner support plate and a plurality of support columns, wherein one end of the support cross rod is connected with a cable support upright post, the other end of the support cross rod is connected with one end surface of the lower base plate, the other end surface of the lower base plate is respectively connected with the upper outer support plate and the upper inner support plate through the plurality of support columns, the upper end surfaces of the upper inner support plate and the upper outer support plate are positioned on the same plane, the circular upper inner support plate is positioned in the circular groove hole of the upper outer support plate and forms a circular slit hole with the upper outer support plate, screw holes arranged at two sides of a cable clamp are matched with the circular slit hole, the lower end parts of screw rods in the screw holes can penetrate through the circular slit hole and then are exposed at the lower end surfaces of the, and the cable clamp is arranged on the upper end surfaces of the upper inner supporting plate and the upper outer supporting plate through bolts on the exposed lower end parts of the screw rods.
2. The electrodeless rotary high voltage cable holder as claimed in claim 1, wherein the diameter-wise width of the circular annular slit hole is 1.5mm to 2.0mm larger than the diameter of the screw hole of the cable clamp.
3. The electrodeless rotary high voltage cable holder as claimed in claim 1, wherein the supporting columns are divided into two groups, group A connects the lower base plate and the upper outer supporting plate, group B connects the lower base plate and the upper inner supporting plate, and the minimum distance between the two groups of supporting columns is larger than the outer diameter of the bolt for fixing the cable clamp.
4. The electrodeless rotary high voltage cable holder as claimed in claim 3, wherein the group A of supporting columns are symmetrical in pairs and are annularly distributed along the outer side of the circular ring-shaped slot at equal intervals, and the distance between one side of the group A of supporting columns close to the circular ring-shaped slot and the central line of the circular ring-shaped slot is more than half of the outer diameter of the bolt for fixing the cable clamp.
5. The electrodeless rotary high-voltage cable holder as claimed in claim 3, wherein the group B supporting columns are distributed in a cross shape, a star shape or a triangular shape, and the distance between one side of the group B supporting columns close to the circular ring-shaped slit hole and the central line of the circular ring-shaped slit hole is more than half of the outer diameter of the bolt for fixing the cable clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020236288.3U CN211579467U (en) | 2020-03-02 | 2020-03-02 | Electrodeless rotary high-voltage cable support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020236288.3U CN211579467U (en) | 2020-03-02 | 2020-03-02 | Electrodeless rotary high-voltage cable support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211579467U true CN211579467U (en) | 2020-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020236288.3U Active CN211579467U (en) | 2020-03-02 | 2020-03-02 | Electrodeless rotary high-voltage cable support |
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| Country | Link |
|---|---|
| CN (1) | CN211579467U (en) |
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2020
- 2020-03-02 CN CN202020236288.3U patent/CN211579467U/en active Active
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