CN211655320U - Crossbeam structure and low-voltage switchgear - Google Patents
Crossbeam structure and low-voltage switchgear Download PDFInfo
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- CN211655320U CN211655320U CN201922453683.7U CN201922453683U CN211655320U CN 211655320 U CN211655320 U CN 211655320U CN 201922453683 U CN201922453683 U CN 201922453683U CN 211655320 U CN211655320 U CN 211655320U
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Abstract
The application discloses a beam structure, which comprises a G-shaped beam and two side plates connected to two ends of the G-shaped beam, wherein the G-shaped beam comprises a rear cross beam, a bottom cross beam, a front cross beam and a top cross beam which are sequentially and integrally connected in a G shape, and the side plates are integrally connected with the bottom cross beam of the G-shaped beam and are lapped with the rear cross beam, the front cross beam and the top cross beam; each side plate is connected with the front cross beam and/or the top cross beam through a bending part, and the bending parts are integrally connected to the side plates, attached to the front cross beam and/or the top cross beam and fixedly connected with the front cross beam and/or the top cross beam through fasteners; or the bending part is integrally connected to the front cross beam and/or the top cross beam, is attached to the side plate and is fixedly connected with the side plate through a fastener. The utility model provides a exempt from welding, crossbeam structure and low-voltage switchgear that intensity is high.
Description
Technical Field
The utility model relates to a low-voltage apparatus technical field, concretely relates to beam structure and low-voltage switchgear.
Background
The beam structure of the low-voltage switch cabinet in the prior art is that a G-shaped beam is provided with two side blocking plates, the blocking plates are welded with the G-shaped beam together, surface galvanization is needed after welding, but galvanization can cause environmental pollution, and the workpiece supply period is long. The beam structure in the prior art also has the problem of relatively weak strength.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide a exempt from welding, crossbeam structure and low-voltage switchgear that intensity is high.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a beam structure comprises a G-shaped beam and two side plates connected to two ends of the G-shaped beam, wherein the G-shaped beam comprises a rear beam, a bottom beam, a front beam and a top beam which are sequentially and integrally connected in a G shape, and the side plates are integrally connected with the bottom beam of the G-shaped beam and are lapped with the rear beam, the front beam and the top beam; each side plate is connected with the front cross beam and/or the top cross beam through a bending part, and the bending parts are integrally connected to the side plates, attached to the front cross beam and/or the top cross beam and fixedly connected with the front cross beam and/or the top cross beam through fasteners; or the bending part is integrally connected to the front cross beam and/or the top cross beam, is attached to the side plate and is fixedly connected with the side plate through a fastener.
Preferably, the rear cross member, the front cross member and the top cross member overlap on the end portions of the two side plates.
Preferably, the bending part is integrally connected to the side plate and attached to the inner side of the front cross beam and/or the top cross beam.
Preferably, the bending parts are integrally connected to the side plates, each side plate is provided with two bending parts, and the two bending parts of each side plate are respectively attached to the front cross beam and the top cross beam; and fixing holes matched with the fasteners are formed in the bending part, the front cross beam and the top cross beam.
Preferably, the bending part of the side plate protrudes out of the side edge of the side plate, the width of the bending part is smaller than that of the side edge of the side plate, a bending groove is formed in the side edge of the side plate, which is provided with the bending part, and the bending root of the bent part is located in the bending groove.
Preferably, the G-shaped beam and the two side plates are formed by bending a steel plate, the middle part of the steel plate is a bottom cross beam, the left end part and the right end part of the steel plate are respectively bent by 90 degrees to form the two side plates perpendicular to the bottom cross beam, the rear end part of the steel plate is bent by 90 degrees to form a rear cross beam perpendicular to the bottom cross beam and overlapped with the rear end parts of the two side plates, the middle part of the front end part of the steel plate is bent by 90 degrees to form a front cross beam perpendicular to the bottom cross beam and overlapped with the front end parts of the two side plates, and the front end part of the steel plate is bent by 90 degrees to form a top cross beam perpendicular to the; the front end convex part of the side plate is bent for 90 degrees to form a bent part attached to the front cross beam, and the top end convex part of the side plate is bent for 90 degrees to form a bent part attached to the top cross beam.
Preferably, the fastener is a countersunk screw, a round head screw or a rivet.
A low-voltage switch cabinet comprises the beam structure in any one of the schemes.
The utility model discloses a beam structure, G type roof beam are integrated into one piece structure, and curb plate and end beam body coupling, and realize fixed connection through the portion of bending and fastener between front beam and/or the top beam, realize exempting from to weld, avoid the environmental pollution that the welding brought, and improve beam structure's bulk strength.
Drawings
Fig. 1 is a schematic structural view of a steel plate before bending of the present invention;
fig. 2 is a front perspective view of the cross beam structure of the present invention;
fig. 3 is a rear perspective view of the cross beam structure of the present invention;
FIG. 4 is a front perspective view of the cross beam structure of the present invention without fasteners installed;
FIG. 5 is a rear perspective view of the cross beam structure of the present invention without fasteners installed;
fig. 6 is a partially cut-away front perspective view of the cross beam structure of the present invention;
fig. 7 is a rear perspective view of the cross beam structure of the present invention, partially cut away.
Detailed Description
The following describes the embodiments of the beam structure and the low-voltage switch cabinet according to the present invention with reference to the embodiments shown in fig. 1 to 7. The beam structure and the low-voltage switch cabinet of the present invention are not limited to the description of the following embodiments.
As shown in fig. 2-6, the utility model discloses a beam structure, including G type roof beam 1 and connect two curb plates 2 at G type roof beam 1 both ends, G type roof beam 1 is including being rear beam 11, bottom end rail 12, front beam 13 and the top end rail 14 of G type a body coupling in proper order, curb plate 2 and G type roof beam 1's bottom end rail 12 a body coupling to with rear beam 11, front beam 13, top end rail 14 overlap joint. Each side plate 2 is connected with the front cross beam 13 and/or the top cross beam 14 through a bending part 20, the bending parts 20 are integrally connected to the side plates 2, are attached to the front cross beam 13 and/or the top cross beam 14, and are fixedly connected with the front cross beam 13 and/or the top cross beam 14 through fasteners 3; or the bending part 20 is integrally connected to the front beam 13 and/or the top beam 14, is attached to the side plate 2, and is fixedly connected to the side plate 2 through the fastener 3. The utility model discloses a beam structure, G type roof beam are integrated into one piece structure, and curb plate and end beam body coupling, and realize fixed connection through the portion of bending and fastener between front beam and/or the top beam, realize exempting from to weld, avoid the environmental pollution that the welding brought, and improve beam structure's bulk strength.
As shown in fig. 2 and 3, the rear cross member 11, the front cross member 13, and the top cross member 14 overlap the ends of the two side panels 2. The rear cross beam 11, the bottom cross beam 12, the front cross beam 13 and the top cross beam 14 surround the periphery of the side plates 2, namely the two side plates 2 support two ends of the G-shaped beam 1, so that the G shape of the G-shaped beam is stably maintained, and the strength of the cross beam structure is improved. Further, the bent portion 20 is integrally connected to the side panel 2 and is attached to the inner side of the front cross member 13 and/or the top cross member 14.
Specifically, the bending parts 20 are integrally connected to the side plates 2, each side plate 2 is provided with two bending parts 20, and the two bending parts 20 of each side plate 2 are respectively attached to the front cross beam 13 and the top cross beam 14; the bending part 20, the front cross beam 13 and the top cross beam 14 are provided with fixing holes 30 matched with the fasteners 3, one bending part 20 of a single side plate 2 is locked with the front cross beam 13 through one fastener 3, and the other bending part 20 of the single side plate 2 is locked with the top cross beam 14 through the other fastener 3. The side plates 2 are fastened and connected with the front cross beam 13 and the top cross beam 14, so that the strength, firmness and reliability of the cross beam structure are improved. The portion 20 of bending of curb plate 2 protrusion in the side of curb plate 2, the width of the portion 20 of bending is far less than the width of the side of curb plate 2, is equipped with the groove of bending on the side that curb plate 2 was equipped with the portion 20 of bending, and the crooked root after the portion 20 of bending is located the inslot of bending, makes the portion 20 of bending buckle after 90 with the side parallel and level of curb plate 2.
The fastener 3 of the present invention can be a countersunk screw, as shown in fig. 1 and fig. 2, the end of the countersunk screw does not exceed the end surface of the locked member (the front beam 13 or the top beam 14) after being locked; the fastener 3 can also adopt a round head screw, and the end part of the round head screw after being locked exceeds the end surface of the locked part (the front cross beam 13 or the top cross beam 14), namely the front cross beam 13 or the top cross beam 14 is positioned between the bending part 20 and the round head of the round head screw after being locked; the fastener 3 may be a rivet, a hexagonal head screw, a square head screw, or the like.
In a specific embodiment, as shown in fig. 1-3, the G-shaped beam 1 and the two side plates 2 are formed by bending a steel plate 4 as shown in fig. 1, the middle part of the steel plate 4 is a bottom cross beam 12, the left and right end parts of the steel plate 4 are respectively bent by 90 ° to form the two side plates 2 perpendicular to the bottom cross beam 12, the rear end part of the steel plate 4 is bent by 90 ° to form a rear cross beam 11 perpendicular to the bottom cross beam 12 and overlapping the rear end parts of the two side plates 2, the middle part of the front end part of the steel plate 4 is bent by 90 ° to form a front cross beam 13 perpendicular to the bottom cross beam 12 and overlapping the front end parts of the two side plates 2, and the front end part of the steel plate is bent by 90 ° to form a top cross beam 14 perpendicular to the front cross beam 13; front end convex part 21 of curb plate 2 bends 90 and forms the portion of bending 20 of laminating mutually with front beam 13, and the top convex part 22 of curb plate 2 bends 90 and forms the portion of bending 20 of laminating mutually with top beam 14, and front end convex part 21 and top convex part 22 width far are less than curb plate 2, bulge respectively and locate the front end portion and the top portion of curb plate 2, and curb plate 2 corresponds front end convex part 21 and top convex part 22 department and is equipped with the groove of bending. In the actual processing process, first, the front end convex portion 21 of the side plate 2 is bent by 90 °, and the top end convex portion 22 of the side plate 2 is bent by 90 ° (the bending order of the front end convex portion 21 and the top end convex portion 22 is not sequential); then bending the left and right ends of the steel plate 4 by 90 degrees respectively to form two side plates 2; then, the rear end of the steel plate 4 is bent by 90 ° to form a rear cross member 11, the middle part of the front end of the steel plate 4 is bent by 90 ° to form a front cross member 13, and the end of the front end of the steel plate 4 is bent by 90 ° to form a top cross member 14 (the bending forming sequence of the rear cross member 11, the front cross member 13, and the top cross member 14 is not sequential).
The utility model discloses a low-voltage switch cabinet, including the crossbeam structure of any one in the above-mentioned scheme.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (8)
1. A beam structure characterized in that: the G-shaped beam comprises a G-shaped beam (1) and two side plates (2) connected to two ends of the G-shaped beam (1), wherein the G-shaped beam (1) comprises a rear cross beam (11), a bottom cross beam (12), a front cross beam (13) and a top cross beam (14) which are sequentially and integrally connected in a G shape, and the side plates (2) are integrally connected with the bottom cross beam (12) of the G-shaped beam (1) and are lapped with the rear cross beam (11), the front cross beam (13) and the top cross beam (14); each side plate (2) is connected with the front cross beam (13) and/or the top cross beam (14) through a bending part (20), the bending parts (20) are integrally connected to the side plates (2), are attached to the front cross beam (13) and/or the top cross beam (14), and are fixedly connected with the front cross beam (13) and/or the top cross beam (14) through fasteners (3); or the bending part (20) is integrally connected to the front cross beam (13) and/or the top cross beam (14), is attached to the side plate (2), and is fixedly connected with the side plate (2) through a fastener (3).
2. The beam structure according to claim 1, wherein: the rear cross beam (11), the front cross beam (13) and the top cross beam (14) are lapped on the end parts of the two side plates (2).
3. The beam structure according to claim 2, wherein: the bending part (20) is integrally connected to the side plate (2) and attached to the inner side of the front cross beam (13) and/or the top cross beam (14).
4. The beam structure according to claim 1, wherein: the bending parts (20) are integrally connected to the side plates (2), each side plate (2) is provided with two bending parts (20), and the two bending parts (20) of each side plate (2) are respectively attached to the front cross beam (13) and the top cross beam (14); and fixing holes (30) matched with the fasteners (3) are formed in the bending part (20), the front cross beam (13) and the top cross beam (14).
5. The beam structure according to claim 4, wherein: the side of the side board (2) is protruded out of the bending part (20) of the side board (2), the width of the bending part (20) is smaller than that of the side board (2), a bending groove is formed in the side, provided with the bending part (20), of the side board (2), and the bending root of the bending part (20) is located in the bending groove.
6. The beam structure according to any one of claims 1 to 5, wherein: the G-shaped beam (1) and the two side plates (2) are formed by bending a steel plate (4), the middle part of the steel plate (4) is provided with a bottom cross beam (12), the left end part and the right end part of the steel plate (4) are respectively bent by 90 degrees to form the two side plates (2) vertical to the bottom cross beam (12), the rear end part of the steel plate (4) is bent by 90 degrees to form a rear cross beam (11) vertical to the bottom cross beam (12) and overlapped with the rear end parts of the two side plates (2), the middle part of the front end part of the steel plate (4) is bent by 90 degrees to form a front cross beam (13) vertical to the bottom cross beam (12) and overlapped with the front end parts of the two side plates (2), and the front end part of the steel plate (4) is bent by 90 degrees to form a top cross beam (14) vertical to the front cross beam (13); the front end convex part (21) of the side plate (2) is bent for 90 degrees to form a bent part (20) attached to the front cross beam (13), and the top end convex part (22) of the side plate (2) is bent for 90 degrees to form a bent part (20) attached to the top cross beam (14).
7. The beam structure according to claim 1, wherein: the fastener (3) is a countersunk head screw, a round head screw or a rivet.
8. A low-voltage switchgear, its characterized in that: comprising a beam structure according to any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922453683.7U CN211655320U (en) | 2019-12-30 | 2019-12-30 | Crossbeam structure and low-voltage switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922453683.7U CN211655320U (en) | 2019-12-30 | 2019-12-30 | Crossbeam structure and low-voltage switchgear |
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| Publication Number | Publication Date |
|---|---|
| CN211655320U true CN211655320U (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922453683.7U Active CN211655320U (en) | 2019-12-30 | 2019-12-30 | Crossbeam structure and low-voltage switchgear |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114473146A (en) * | 2021-12-24 | 2022-05-13 | 江苏徐工工程机械研究院有限公司 | Box-shaped arm support and welding deformation control method thereof |
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2019
- 2019-12-30 CN CN201922453683.7U patent/CN211655320U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114473146A (en) * | 2021-12-24 | 2022-05-13 | 江苏徐工工程机械研究院有限公司 | Box-shaped arm support and welding deformation control method thereof |
| CN114473146B (en) * | 2021-12-24 | 2023-11-03 | 江苏徐工工程机械研究院有限公司 | Box-shaped arm support and welding deformation control method thereof |
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