CN214313962U - Mounting beam for low-voltage switch cabinet and low-voltage switch cabinet - Google Patents
Mounting beam for low-voltage switch cabinet and low-voltage switch cabinet Download PDFInfo
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- CN214313962U CN214313962U CN202023133130.2U CN202023133130U CN214313962U CN 214313962 U CN214313962 U CN 214313962U CN 202023133130 U CN202023133130 U CN 202023133130U CN 214313962 U CN214313962 U CN 214313962U
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Abstract
The utility model relates to a mounting beam for a low-voltage switch cabinet and the low-voltage switch cabinet, the mounting beam of the low-voltage switch cabinet comprises a first side plate, a second side plate and a connecting side plate, the first side plate, the second side plate and the connecting side plate are used for forming the side wall of the mounting beam, which is parallel to the length direction; a second side plate arranged in parallel with the first side plate; the second side plate and the connecting side plate are respectively provided with one position, and the connecting side plate is connected between the corresponding side edges of the second side plate and the first side plate, so that the cross section of the mounting beam is U-shaped; or the second side plate and the connecting side plate are respectively provided with two positions, and the two second side plates are arranged in a coplanar manner and are respectively connected between the edge of one side, away from each other, of the two second side plates and the corresponding side edge of the first side plate; the length of first curb plate is greater than the second curb plate, be equipped with the mounting panel fixed orifices on the second curb plate, the mounting panel fixed orifices supplies component mounting panel fixed connection, enables the convenient installation of installation roof beam on the stand to guarantee the installation accuracy of installation roof beam.
Description
Technical Field
The utility model relates to a cubical switchboard field, in particular to an installation roof beam and low-voltage switchgear for low-voltage switchgear.
Background
The drawer type low-voltage switch cabinet is a common electrical device, is responsible for completing electric energy control, protection, conversion and distribution in a low-voltage power supply system, and has large-scale application in a substation, a power plant and a power distribution center. For example, an MNS low-voltage draw-out type switchgear includes a cabinet body and drawer compartments, in each of which a functional module is installed, thereby assembling a plurality of functional modules together.
Generally, the electrical components of the low-voltage switch cabinet need to be accurately fixed on the switch cabinet, specifically, as shown in fig. 1, the electrical components 55 are fixed on the mounting plate 51, then both sides of the mounting plate 51 are fixed on the C-shaped profile 52, and the C-shaped profile 52 is fixed on the first large C-shaped profile 54 and the second large C-shaped profile 56 (i.e. the upright) of the cabinet body through the L-shaped connecting plate 53. However, in this positioning and mounting manner, two C-shaped profiles 52 are generally required on each side of the mounting plate 51, four C-shaped profiles 52 are required to fix the mounting plate 51 in total, and the C-shaped profiles 52 and the columns are fixed by the L-shaped connecting plates 53 and four holes are required for positioning, which causes inconvenience in fixing the electrical components; in addition, because the C-shaped section 52 and the upright post are fixed through the L-shaped connecting plate 53, the positioning hole needs to be aligned for many times in the middle, the mounting precision cannot be ensured due to machining errors of workpieces, and meanwhile, the C-shaped section needs to be bent for four times during manufacturing, so that the process is complicated, and raw materials are wasted indirectly.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an installation beam for a low-voltage switch cabinet, which can be conveniently fixed on a vertical column; simultaneously, the low-voltage switch cabinet is provided, so that the mounting beam can be conveniently fixed on the upright post.
A mounting beam for a low-voltage switchgear cabinet,
the mounting beam comprises a first side plate, a second side plate and a connecting side plate, wherein the first side plate, the second side plate and the connecting side plate are used for forming side walls parallel to the length direction of the mounting beam;
a second side plate arranged in parallel with the first side plate; the second side plate and the connecting side plate are respectively provided with one position, and the connecting side plate is connected between the corresponding side edges of the second side plate and the first side plate, so that the cross section of the mounting beam is U-shaped; or the second side plate and the connecting side plate are respectively provided with two positions, and the two second side plates are arranged in a coplanar manner and are respectively connected between the edge of one side, away from each other, of the two second side plates and the corresponding side edge of the first side plate;
the length of the first side plate is greater than that of the second side plate, and two ends of the first side plate in the length direction extend out of two sides of the second side plate in the length direction to form fixing lug plates;
the fixing lug plate is used for being attached to an upright post of the low-voltage switch cabinet, and an upright post fixing hole is formed in the fixing lug plate and is fixedly connected with the upright post through a bolt;
the mounting plate fixing holes are formed in the second side plate and used for fixedly connecting the element mounting plates, and the element mounting plates are plates for mounting electric elements in the low-voltage switch cabinet.
Has the advantages that: the utility model provides an installation roof beam for low-voltage switchgear has first curb plate and second curb plate and connects the curb plate, and first curb plate is parallel with the second curb plate, and the installation roof beam has two kinds of forms: the first side plate, the second side plate and the connecting side plate are respectively provided with one position, and the connecting side plate is connected between the corresponding side edges of the second side plate and the first side plate, so that the cross section of the mounting beam is U-shaped; the second side plate, the second side plate and the connecting side plate are arranged at two positions, the second side plates at the two positions are arranged in a coplanar manner and are respectively connected between the edge of one side, away from each other, of the two second side plates and the corresponding side edge of the first side plate, and the C-shaped structure is similar to a C shape. The length of the first side plate is greater than that of the second side plate, so that two ends of the first side plate in the length direction extend out of two sides of the second side plate in the length direction to form fixing lug plates, the fixing lug plates are provided with upright post mounting holes, and the first side plate and the upright posts can be fixedly connected through bolts; and the second side plate is provided with a mounting plate fixing hole, so that the element mounting plate can be fixedly mounted on the other side surface of the mounting beam, and the electric element is fixed in the low-voltage cabinet. The first side plate of the mounting beam of the utility model can be fixed on the upright post through the bolt, and other intermediate connecting pieces are not needed, thus simplifying the step of fixing the mounting beam on the upright post and leading the mounting beam to be conveniently fixed on the upright post; and the fixing mode reduces the hole positioning times and can ensure the mounting precision of the mounting beam.
As a further optimized scheme, the column fixing holes are long round holes, and the long round holes extend along the length direction of the first side plate.
Has the advantages that: the long round holes can facilitate the fixed connection of the mounting plate and the upright posts, and the problem that the mounting beam cannot be accurately fixed on the upright posts due to machining errors is avoided.
According to a further optimized scheme, the cross section of the mounting beam is U-shaped, and the mounting beam is made of cold-rolled steel plates through bending.
Has the advantages that: the mounting beam with the U-shaped cross section is simple in structure, few in bending times, simple in manufacturing process and free of raw material waste, and the structural strength of the mounting beam can be effectively improved due to the fact that the cold-rolled steel plate is adopted for bending.
As a further optimized scheme, the mounting plate fixing holes are round holes and are uniformly distributed along the length direction of the second side plate.
Has the advantages that: the round holes are uniformly arranged on the second side plate, so that the strength of the second side plate is more stable.
As a further optimized scheme, the first side plate is provided with heat dissipation holes.
Has the advantages that: the louvre can be used for the circulation of low-voltage switchgear air, makes the installation roof beam play the radiating effect of cooling down.
As a further optimized scheme, the connecting side plate is provided with a connecting side plate fixing hole for fixing other mounting beams or parts.
Has the advantages that: the connecting side plate fixing holes can enable the mounting beams to be used for supporting or fixing other mounting beams and other low-voltage switch cabinet parts.
Low-voltage switchgear, including stand, installation roof beam and component mounting panel, the both ends and the stand fixed connection of installation roof beam, component mounting panel fixed mounting is on the installation roof beam, the installation roof beam
The mounting beam comprises a first side plate, a second side plate and a connecting side plate, wherein the first side plate, the second side plate and the connecting side plate are used for forming side walls parallel to the length direction of the mounting beam;
a second side plate arranged in parallel with the first side plate; the second side plate and the connecting side plate are respectively provided with one position, and the connecting side plate is connected between the corresponding side edges of the second side plate and the first side plate, so that the cross section of the mounting beam is U-shaped; or the second side plate and the connecting side plate are respectively provided with two positions, and the two second side plates are arranged in a coplanar manner and are respectively connected between the edge of one side, away from each other, of the two second side plates and the corresponding side edge of the first side plate;
the length of the first side plate is greater than that of the second side plate, and two ends of the first side plate in the length direction extend out of two sides of the second side plate in the length direction to form fixing lug plates;
the fixing lug plate is used for being attached to an upright post of the low-voltage switch cabinet, and an upright post fixing hole is formed in the fixing lug plate and is fixedly connected with the upright post through a bolt;
the second side plate is provided with mounting plate fixing holes, the mounting plate fixing holes are used for fixedly connecting element mounting plates, and the element mounting plates are plates for mounting electric elements in the low-voltage switch cabinet;
the second side plate and the connecting side plate are positioned in the space between the two corresponding upright posts.
Has the advantages that: the utility model provides a low-voltage switchgear, its installation roof beam have first curb plate and second curb plate and connect the curb plate, and first curb plate is parallel with the second curb plate, and the installation roof beam has two kinds of forms: the first side plate, the second side plate and the connecting side plate are respectively provided with one position, and the connecting side plate is connected between the corresponding side edges of the second side plate and the first side plate, so that the cross section of the mounting beam is U-shaped; the second side plate, the second side plate and the connecting side plate are arranged at two positions, the second side plates at the two positions are arranged in a coplanar manner and are respectively connected between the edge of one side, away from each other, of the two second side plates and the corresponding side edge of the first side plate, and the C-shaped structure is similar to a C shape. The length of the first side plate is greater than that of the second side plate, so that two ends of the first side plate in the length direction extend out of two sides of the second side plate in the length direction to form fixing lug plates, the fixing lug plates are provided with upright post mounting holes, and the first side plate and the upright posts can be fixedly connected through bolts; and the second side plate is provided with a mounting plate fixing hole, so that the element mounting plate can be fixedly mounted on the other side surface of the mounting beam, and the electric element is fixed in the low-voltage cabinet. The first side plate of the mounting beam of the utility model can be fixed on the upright post through the bolt, and other intermediate connecting pieces are not needed, thus simplifying the step of fixing the mounting beam on the upright post and leading the mounting beam to be conveniently fixed on the upright post; and the fixing mode reduces the hole positioning times and can ensure the mounting precision of the mounting beam.
As a further solution to the optimization of the method,
the stand fixed orifices are oblong holes, and the oblong holes extend along the length direction of the first side plate.
Has the advantages that: the long round holes can facilitate the fixed connection of the mounting plate and the upright posts, and the problem that the mounting beam cannot be accurately fixed on the upright posts due to machining errors is avoided.
According to a further optimized scheme, the cross section of the mounting beam is U-shaped, and the mounting beam is made of cold-rolled steel plates through bending.
Has the advantages that: the mounting beam with the U-shaped cross section is simple in structure, few in bending times, simple in manufacturing process and free of raw material waste, and the structural strength of the mounting beam can be effectively improved due to the fact that the cold-rolled steel plate is adopted for bending.
As a further optimized scheme, the mounting plate fixing holes are round holes and are uniformly distributed along the length direction of the second side plate.
Has the advantages that: the round holes are uniformly arranged on the second side plate, so that the strength of the second side plate is more stable.
As a further optimized scheme, the first side plate is provided with heat dissipation holes.
Has the advantages that: the louvre can be used for the circulation of low-voltage switchgear air, makes the installation roof beam play the radiating effect of cooling down.
As a further optimized scheme, the connecting side plate is provided with a connecting side plate fixing hole for fixing other mounting beams or parts.
Has the advantages that: the connecting side plate fixing holes can enable the mounting beams to be used for supporting or fixing other mounting beams and other low-voltage switch cabinet parts.
Drawings
Fig. 1 is a partial structural schematic diagram of a low-voltage switchgear in the prior art;
fig. 2 is a schematic structural view of an installation beam in embodiment 1 of the low-voltage switch cabinet of the present invention;
fig. 3 is a schematic view of the fitting between the mounting beam and the column in embodiment 1 of the low-voltage switchgear of the present invention;
FIG. 4 is a top view of FIG. 3;
fig. 5 is a schematic view of the overall structure of a low-voltage switch cabinet in embodiment 1 of the low-voltage switch cabinet of the present invention;
FIG. 6 is a schematic view of a portion of the structure of FIG. 5;
description of reference numerals:
1-a first side plate, 11-a fixed lug hole, 12-a column mounting hole, 13-a heat dissipation hole, 2-a second side plate, 21-a mounting plate fixing hole, 3-a connecting side plate, 31-a connecting side plate fixing hole, 4-a column, 41-a positioning hole, 51-a mounting plate, 52-C section bar, 53-L-shaped connecting plate, 54-a first large C section bar, 55-an electric element, 56-a second large C section bar, 6-a mounting beam and 7-an element mounting plate.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
The utility model discloses a low-voltage switchgear's embodiment 1:
as shown in fig. 1 to 6, the low voltage switch cabinet of the present invention comprises a vertical column 4, a mounting beam 6, a component mounting plate 7, and an electrical component 55 fixed in the cabinet body, specifically, as shown in fig. 2, the mounting beam 6 comprises a first side plate 1, a second side plate 2, a connecting side plate 3, the first side plate 1, the second side plate 2, and the connecting side plate 3 are used to form the side wall of the mounting beam parallel to the length direction, the first side plate 1 and the second side plate 2 are arranged in parallel, the second side plate 2 and the connecting side plate 3 are both provided with one place, the connecting side plate 3 is connected between the corresponding side edges of the first side plate 1 and the second side plate 2, so that the cross section of the mounting beam is U-shaped, the length of the first side plate 1 is greater than that of the second side plate 2, so that the two ends of the length direction of the first side plate 1 protrude and the two sides of the length direction of the second side plate 2 form fixing ear plates 11, two upright post mounting holes 12 are arranged on the fixing lug plate 11 at each side, and the upright post mounting holes 12 are used for matching with the positioning holes 41 on the upright posts.
As shown in fig. 2, the second side plate 2 is further provided with mounting plate fixing holes 21 along the length direction, the mounting plate fixing holes 21 are two rows of uniformly arranged round holes for fixing the component mounting plate 7, the electrical component 55 is fixed on the component mounting plate 7, and then the component mounting plate 7 is fixed on the mounting beam 6, so that the relative position of the electrical component in the low-voltage switch cabinet is ensured.
In addition, the first side plate 1 is further provided with heat dissipation holes 13 along the length direction, and large heat can be generated due to the current of the used low-voltage switch cabinet. The first side plate 1 is provided with heat dissipation holes 13 for ventilation and cooling. The connecting side plate 3 is also provided with a connecting side plate fixing hole 31 along the length direction, so that other parts needing to be fixed can be safely and firmly fixed. In the present embodiment, the heat dissipation holes 13, the mounting plate fixing holes 21, and the connecting side plate fixing holes 31 are all uniformly arranged round holes.
As shown in fig. 3 to 4, the mounting beam 6 is fixed between two columns 4, the columns 4 are C-shaped sections and have four bends, two rows of positioning holes 41 are provided on each column 4, and the positioning holes 41 are located on two bending edges of the column adjacent to the opening. The mounting beam 6 is horizontally arranged and is vertical to the left and right upright posts 4, the U-shaped opening of the mounting beam 6 faces downwards, and the connecting side plate 3 faces upwards. The second curb plate 2 all is located the space between two stands 4 about with connecting curb plate 3, and the fixed otic placode 11 at 1 both ends of first curb plate pastes respectively in the surface that corresponds stand 4, all is equipped with two column mouting holes 12 on the fixed otic placode 11 of every end, and this column mouting hole 12 corresponds with locating hole 41 on the stand 4, fixes first curb plate 1 on stand 4 through the bolt.
In order to avoid the occurrence of machining errors and other reasons, the two ends of the first side plate 1 cannot be assembled with the columns 4, the column mounting holes 12 at the two ends of the first side plate 1 are arranged to be long round holes, and the long round holes extend along the length direction of the mounting beam 6.
In order to improve the structural strength of the mounting beam 6, the mounting beam is formed by bending a cold-rolled steel plate in this embodiment.
The utility model discloses a low-voltage switchgear's embodiment 2:
in embodiment 1, the cross section of the mounting beam of the low-voltage switch cabinet is in a U shape, and in this embodiment, the cross section of the mounting beam is in a C shape, which is the same as the cross section of the upright column profile, so that the strength of the mounting beam can be improved, and the stability can be improved.
The utility model discloses a low-voltage switchgear's embodiment 3:
in embodiment 1, the first side plate 1 is further provided with heat dissipation holes 13 along the length direction, and the connecting side plate 3 is further provided with connecting side plate fixing holes 31 along the length direction, in this embodiment, only the first side plate 1 is provided with heat dissipation holes, the connecting side plate 3 is not provided with the connecting side plate fixing holes 31, in other embodiments, the connecting side plate may not be provided with the connecting side plate fixing holes, and the first side plate may not be provided with heat dissipation holes.
The utility model discloses a low-voltage switchgear's embodiment 4:
in embodiment 1, the heat dissipation holes 31 on the first side plate 1, the mounting plate fixing holes 21 on the second side plate 2, and the connecting side plate fixing holes 31 on the connecting side plate 3 are uniformly arranged round holes, in this embodiment, the round holes are not uniformly arranged, and in other embodiments, the round holes may be replaced by elliptical long holes.
The utility model discloses a low-voltage switchgear's embodiment 5:
in embodiment 1, two pillar mounting holes 11 are provided in the fixing ear plates 12 at both ends of the first side plate 1, in this embodiment, only one pillar mounting hole is provided in each fixing ear plate 12, and in other embodiments, two or more pillar mounting holes may be provided at both ends of the first side plate.
The utility model discloses a concrete embodiment of an installation roof beam for low tension switchgear, the installation roof beam structure is the same with among the above-mentioned low tension switchgear, consequently no longer repeated explanation.
The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. A installation roof beam for low-voltage switchgear, its characterized in that: the mounting beam comprises a first side plate, a second side plate and a connecting side plate, wherein the first side plate, the second side plate and the connecting side plate are used for forming side walls parallel to the length direction of the mounting beam;
a second side plate arranged in parallel with the first side plate; the second side plate and the connecting side plate are respectively provided with one position, and the connecting side plate is connected between the corresponding side edges of the second side plate and the first side plate, so that the cross section of the mounting beam is U-shaped; or the second side plate and the connecting side plate are respectively provided with two positions, and the two second side plates are arranged in a coplanar manner and are respectively connected between the edge of one side, away from each other, of the two second side plates and the corresponding side edge of the first side plate;
the length of the first side plate is greater than that of the second side plate, and two ends of the first side plate in the length direction extend out of two sides of the second side plate in the length direction to form fixing lug plates;
the fixing lug plate is used for being attached to an upright post of the low-voltage switch cabinet, and an upright post fixing hole is formed in the fixing lug plate and is fixedly connected with the upright post through a bolt;
the mounting plate fixing holes are formed in the second side plate and used for fixedly connecting the element mounting plates, and the element mounting plates are plates for mounting electric elements in the low-voltage switch cabinet.
2. The mounting beam for low-voltage switchgear cabinets of claim 1, characterized in that: the stand fixed orifices are oblong holes, and the oblong holes extend along the length direction of the first side plate.
3. Mounting beam for low-voltage switchgear cabinets according to claim 1 or 2, characterized in that: the cross section of installation roof beam is the U-shaped, the installation roof beam adopts the cold-rolled steel sheet to bend and makes.
4. Mounting beam for low-voltage switchgear cabinets according to claim 1 or 2, characterized in that: the mounting plate fixing holes are round holes and are uniformly distributed along the length direction of the second side plate.
5. Mounting beam for low-voltage switchgear cabinets according to claim 1 or 2, characterized in that: the first side plate is provided with heat dissipation holes.
6. Mounting beam for low-voltage switchgear cabinets according to claim 1 or 2, characterized in that: and the connecting side plate is provided with a connecting side plate fixing hole for fixing other mounting beams or parts.
7. Low-voltage switchgear, including stand, installation roof beam and component mounting panel, the both ends and the stand fixed connection of installation roof beam, component mounting panel fixed mounting is on the installation roof beam, its characterized in that: the mounting beam for the low-voltage switch cabinet is as claimed in any one of claims 1 to 6, and the second side plate and the connecting side plate are located in a space between the two corresponding upright posts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023133130.2U CN214313962U (en) | 2020-12-23 | 2020-12-23 | Mounting beam for low-voltage switch cabinet and low-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023133130.2U CN214313962U (en) | 2020-12-23 | 2020-12-23 | Mounting beam for low-voltage switch cabinet and low-voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214313962U true CN214313962U (en) | 2021-09-28 |
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ID=77860578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023133130.2U Active CN214313962U (en) | 2020-12-23 | 2020-12-23 | Mounting beam for low-voltage switch cabinet and low-voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214313962U (en) |
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2020
- 2020-12-23 CN CN202023133130.2U patent/CN214313962U/en active Active
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