CN117791335A - Electrical cabinet mounting bracket and design method - Google Patents

Abstract

The embodiment of the invention provides an electric appliance cabinet mounting bracket and a design method thereof, belonging to the technical field of electric appliance cabinet mounting brackets. The electrical cabinet installing support includes: a support frame, the support frame comprising: the system comprises a plurality of reinforcing beams and a plurality of vertically arranged supporting vertical rods, wherein the reinforcing beams are fixed between every two supporting vertical rods; the bearing frame is horizontally arranged at the top end of the supporting frame and consists of a plurality of bearing rods which are connected with each other; the bearing plate is arranged on the bearing frame, is provided with an installation area and is used for installing an electric cabinet, and is formed by mutually splicing a plurality of sub-boards, and the sub-boards are fixed with corresponding bearing rods. The invention has simple structure and convenient use, and can reduce the manufacturing, transportation, installation and maintenance cost by adopting the detachable structure.

Description

Electrical cabinet mounting bracket and design method

Technical Field

The invention relates to the technical field of electric cabinet mounting brackets, in particular to an electric cabinet mounting bracket and a design method of the electric cabinet mounting bracket.

Background

At present, the general installation sequence of the tower barrel of the wind generating set is as follows: mounting a control cabinet platform and an electrical cabinet, lifting a tower barrel at the bottom section, lifting the rest tower barrel parts, mounting accessories in the tower barrel, lifting a cabin and lifting an impeller. The control cabinet platform, other platforms and the tower are connected differently and are fixed on the ground through the mounting bracket.

The conventional stent is generally divided into 3 parts of a left stent, a middle stent and a right stent. The anticorrosion mode is hot galvanizing anticorrosion, and the zinc plating is carried out in a galvanizing pool. The left and right brackets are typically large in size and the unitary construction dictates that they must be integrated into the galvanization bath. Therefore, the size of the galvanizing bath is larger, increasing the cost of galvanizing. In addition, the traditional support is generally shipped integrally in the transportation process, and the left support and the right support are assembled in a larger size even in a part shipment field, so that the transportation cost is increased; secondly, when in field installation, a crane is required to be used for hoisting the cable in place, and the installation cost is high; if the whole and part of the damage needs to be replaced, the damage is not carried out through the tower drum door, and the purpose can be achieved only by disassembling the tower drum after the whole machine is stopped at high cost, so that the maintenance is inconvenient, and the cost and the simultaneous machine stopping cost are high, so that the maintenance is inconvenient.

Disclosure of Invention

The embodiment of the invention aims to provide an electric appliance cabinet mounting bracket and a design method thereof, which are used for solving the problems.

To achieve the above object, an embodiment of the present invention provides an electrical cabinet mounting bracket, including:

a support frame, the support frame comprising: the system comprises a plurality of reinforcing beams and a plurality of vertically arranged supporting vertical rods, wherein the reinforcing beams are fixed between every two supporting vertical rods;

the bearing frame is horizontally arranged at the top end of the supporting frame and consists of a plurality of bearing rods which are connected with each other;

the bearing plate is arranged on the bearing frame, is provided with an installation area and is used for installing an electric cabinet, and is formed by mutually splicing a plurality of sub-boards, and the sub-boards are fixed with corresponding bearing rods.

Optionally, a plurality of support montants set up mutually symmetrically, and the top and the bottom of every support montant all level is provided with the backup pad, bear the frame with the backup pad on support montant top is fixed.

Optionally, the electrical cabinet mounting bracket further includes:

each horizontal adjusting plate is rotatably connected with the corresponding supporting plate at the bottom end of the supporting vertical rod through a bolt.

Optionally, the carrier bar includes:

a plurality of first vertical brackets which are arranged at intervals in parallel, and a plurality of first transverse brackets are arranged between two adjacent first vertical brackets;

the second vertical supports are arranged at intervals in parallel, and the second vertical supports are connected with the corresponding first vertical supports through a plurality of second transverse supports;

and each inclined bracket is connected with the corresponding first vertical bracket and the corresponding second vertical bracket.

Optionally, the inclined bracket, the first vertical bracket and the second vertical bracket all include: the upper connecting plates and the lower connecting plates are oppositely arranged and are mutually fixed through a plurality of middle connecting plates which are arranged at intervals;

the first transverse support and the second transverse support are I-steel, extension parts are arranged at two end parts of the I-steel, and the extension parts are connected with the corresponding middle connecting plates.

Optionally, the electrical cabinet mounting bracket further includes:

the climbing auxiliary mechanism, the top of climbing auxiliary mechanism with the frame is connected, climbing auxiliary mechanism's bottom is connected with two corresponding support montants through supporting the backing plate.

Optionally, the electrical cabinet mounting bracket further includes:

the cable hanger is arranged on the lower end face of the bearing frame and is used for bearing cables of the electrical cabinet.

In another aspect, the present invention provides a method for designing an electrical cabinet mounting bracket, the electrical cabinet mounting bracket comprising: the support frame, set up the carriage on the support frame top and set up the loading board on the carriage, the method includes:

based on the minimum preset load and boundary conditions, an initial design scheme of the electric cabinet mounting bracket is constructed, and the initial design scheme comprises the following steps: the specification, the setting number and the setting position of the support frame, the specification, the setting number and the setting position of the bearing frame, and the specification of the bearing plate:

calculating the tensile strength, the shearing strength and the main stress of the support frame, the bearing frame and the bearing plate in each initial design scheme;

determining an initial design scheme that the tensile strength, the shearing strength and the main stress are smaller than the allowable stress of the material as a plurality of initial design results;

and (3) taking no interference among the support frame, the bearing frame and the bearing plate, the maximum load and the minimum total weight as objective functions, carrying out iterative optimization on an initial design result by utilizing an optimization algorithm until the maximum iterative times are reached, and outputting an updated optimal design result of the electric cabinet mounting bracket.

Optionally, the boundary condition includes: geometric dimension of structure, specification of support frame, arrangement interval of support frame, specification of bearing frame, arrangement interval of bearing frame, specification of bearing plate.

Optionally, the optimization algorithm is an annealing optimization algorithm or a genetic algorithm.

The support frame is arranged to be a plurality of support vertical rods and a plurality of stiffening beams, the bearing frame is arranged to be a plurality of mutually connected bearing rods, the bearing plate is arranged to be a plurality of sub-plates, the sub-plates are fixed with the corresponding bearing rods, and the detachable structure is adopted to greatly reduce the manufacturing, transporting, installing and maintaining cost and has the advantages of simple structure and convenient use.

Additional features and advantages of embodiments of the invention will be set forth in the detailed description which follows.

Drawings

The accompanying drawings are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain, without limitation, the embodiments of the invention. In the drawings:

FIG. 1 is a schematic view of the structure of an electrical cabinet mounting bracket provided by the invention;

FIG. 2 is a front view of an appliance cabinet mounting bracket according to one embodiment of the present invention;

FIG. 3 is a schematic view of a part of the structure of the installation bracket of the electrical cabinet provided by the invention;

fig. 4 is a schematic structural view of a support frame provided by the present invention;

FIG. 5 is a schematic view of a structure of a carrier provided by the present invention;

FIG. 6 is a schematic view of the structure of the diagonal brace provided by the present invention;

FIG. 7 is a schematic view of a second cross brace provided by the present invention;

FIG. 8 is a schematic view of a carrier plate according to the present invention;

FIG. 9 is a flow chart of a method for designing an electrical cabinet mounting bracket provided by the invention;

fig. 10 is a flow chart of a method for designing an electrical cabinet mounting bracket according to an embodiment of the present invention.

Description of the reference numerals

1-a supporting frame; 2-a carrier; 3-a carrier plate;

4-a horizontal adjusting plate; 5-climbing assistance; 6-supporting a backing plate;

7-a cable hanger; 11-supporting vertical rods; 12-reinforcing beams;

21-a carrier bar; 31-mounting area; 32-daughter boards;

111-a support plate; 201-an upper connecting plate; 202-a lower connecting plate;

203-a middle connecting plate; 204-an extension; 211-a first vertical support;

212-a first cross-brace; 213-a second vertical support; 214-a second cross brace;

215-inclined brackets; 2141-reinforcing bars.

Detailed Description

The following describes the detailed implementation of the embodiments of the present invention with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the invention, are not intended to limit the invention.

In the embodiments of the present invention, unless otherwise indicated, terms such as "upper, lower, left, and right" and "upper, lower, left, and right" are used generally referring to directions or positional relationships based on those shown in the drawings, or those conventionally used in the use of the inventive products.

The terms "first," "second," "third," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

The terms "parallel", "perpendicular", and the like do not denote that the components are required to be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel than "perpendicular" and does not mean that the structures must be perfectly parallel, but may be slightly tilted.

The terms "horizontal," "vertical," "overhang," and the like do not denote that the component is required to be absolutely horizontal, vertical, or overhang, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

Furthermore, the terms "substantially," "essentially," and the like, are intended to be limited to the precise form disclosed herein and are not necessarily intended to be limiting. For example: the term "substantially equal" does not merely mean absolute equal, but is difficult to achieve absolute equal during actual production and operation, and generally has a certain deviation. Thus, in addition to absolute equality, "approximately equal to" includes the above-described case where there is a certain deviation. In other cases, the terms "substantially", "essentially" and the like are used in a similar manner to those described above unless otherwise indicated.

In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

FIG. 1 is a schematic view of the structure of an electrical cabinet mounting bracket provided by the invention; FIG. 2 is a front view of an appliance cabinet mounting bracket according to one embodiment of the present invention; FIG. 3 is a schematic view of a part of the structure of the installation bracket of the electrical cabinet provided by the invention; fig. 4 is a schematic structural view of a support frame provided by the present invention; FIG. 5 is a schematic view of a structure of a carrier provided by the present invention; FIG. 6 is a schematic view of the structure of the diagonal brace provided by the present invention; FIG. 7 is a schematic view of a second cross brace provided by the present invention; FIG. 8 is a schematic view of a carrier plate according to the present invention; FIG. 9 is a flow chart of a method for designing an electrical cabinet mounting bracket provided by the invention; fig. 10 is a flow chart of a method for designing an electrical cabinet mounting bracket according to an embodiment of the present invention.

As shown in fig. 1 and 8, the present embodiment provides an electrical cabinet mounting bracket, including:

a support frame 1, the support frame 1 comprising: the system comprises a plurality of reinforcing beams 12 and a plurality of vertically arranged supporting vertical rods 11, wherein the reinforcing beams 12 are fixed between every two supporting vertical rods 11;

the bearing frame 2 is horizontally arranged at the top end of the supporting frame 1, and the bearing frame 2 consists of a plurality of bearing rods 21 which are connected with each other;

the bearing plate 3 is arranged on the bearing frame 2, the bearing plate 3 is provided with a mounting area 31 for mounting the electrical cabinet, the bearing plate 3 is formed by mutually splicing a plurality of sub-plates 32, and the sub-plates 32 are fixed with the corresponding bearing rods 21.

Specifically, in this embodiment, the supporting frame 1 is formed by a plurality of vertically arranged supporting vertical rods 1, and two reinforcing beams 12 which are arranged in a crossing manner are fixed between the adjacent supporting vertical rods 1 to form a frame structure, so that the structural strength can be increased, and the stability can be ensured; the bearing frame 2 consists of a plurality of bearing rods 21 which are connected with each other, and the whole structure is thinned into a plurality of bearing rods 21; the bearing plate 3 can be set to be round or square and other structures, and is determined according to the actual use environment, for example, when the control cabinet of the wind turbine generator is installed, the bearing plate 3 is round, and the specific structure of the sub-plate 32 can be divided according to the actual use environment, the tower bottom electrical layout and the installation position of the electrical cabinet. Each daughter board 32 is capable of bearing the weight of two adult workers to facilitate the installation and removal of the remaining daughter boards 32 by workers standing on the daughter boards 32. The utility model discloses a support frame is set up into many spinal branch vaulting poles and many stiffening beams in this technical scheme, will bear the weight of the carrier bar that sets up into many interconnect, and will bear the weight of the board and set up into the polylith subplate, and the subplate is fixed with the carrier bar that corresponds, adopt detachable structure can significantly reduce manufacturing (like the material volume is less, reduce the expense of galvanization flow in the production process), transportation (the volume is less, can promote transportation efficiency, reduce transportation cost), installation and maintenance cost (the volume is less, can install fast and dismantle), and simple structure, convenient to use.

More specifically, through holes are formed in corresponding positions of the support frame 1, the bearing frame 2 and the bearing plate 3, and fixing between the support frame 1 and the bearing frame 2 and between the bearing frame 2 and the bearing plate 3 are achieved through fasteners such as screws.

In one embodiment, the number of the supporting vertical rods 1 can be four, ten, etc., and the design can be specifically designed according to the actual use environment.

Further, as shown in fig. 4, the plurality of vertical support rods 11 are symmetrically arranged, and the top end and the bottom end of each vertical support rod 11 are horizontally provided with a support plate 111, and the bearing frame 2 is fixed with the support plate 111 at the top end of the vertical support rod 11.

Specifically, the support vertical rods 11 are symmetrically arranged with each other, so that when bearing gravity, the gravity is distributed at the middle part of the symmetrically arranged support vertical rods 11, thereby ensuring the stability of the structure. In addition, the top end and the bottom end of each vertical support rod 11 are provided with a support plate 111, the support plate 111 arranged at the top end is used for supporting the bearing frame 2, and the bearing frame 2 is fixed on the support plate 111 by using fasteners such as screws, so that the contact area of the contact part is increased, the stress is reduced, and the connection is ensured to be more stable; the support plate 111 provided at the bottom end is in contact with the ground, and also can increase the contact area with the ground, thereby increasing the force receiving area when bearing.

Further, as shown in fig. 3, the electrical cabinet mounting bracket further includes:

each horizontal adjusting plate 4 is rotatably connected with the corresponding support plate 111 at the bottom end of the support vertical rod 11 through a bolt.

Specifically, because the ground of the service environment may not be completely level in the use process, by arranging the level adjusting plate 4 on the support plate 111 supporting the bottom end of the vertical rod 11, the bolt is fixedly arranged on the level adjusting plate 4, the threaded hole is arranged on the support plate 111 supporting the bottom end of the vertical rod 11, and the bolt rotates in the threaded hole, so that the adjustment of the relative distance between the level adjusting plate 4 and the support plate 111 is realized, and the bearing plate 3 is ensured to be in a level state.

Further, as shown in fig. 5, the carrier bar 21 includes:

a plurality of first vertical brackets 211 which are arranged at intervals in parallel, and a plurality of first transverse brackets 212 are arranged between two adjacent first vertical brackets 211;

a plurality of second vertical supports 213 which are arranged at intervals and in parallel, wherein the second vertical supports 213 are connected with the corresponding first vertical supports 211 through a plurality of second transverse supports 214;

a plurality of symmetrically disposed inclined brackets 215, each inclined bracket 215 being connected to a corresponding first vertical bracket 211 and a corresponding second vertical bracket 213.

Specifically, in the present embodiment, as shown in fig. 5, two first vertical supports 211 and two second vertical supports 213 are provided, the first vertical supports 211 are parallel to the second vertical supports 213, the first vertical supports 211 are located between the two second vertical supports 213, the length of the first vertical supports 211 is greater than that of the second vertical supports 213, meanwhile, five first transverse supports 212 are provided between the two first vertical supports 211 at intervals, and at least three second transverse supports 214 are provided between the first vertical supports 211 and the adjacent second vertical supports 213. Through the above arrangement, the structural strength can be greatly increased, and each sub-board 32 can be ensured to have a corresponding bearing rod 21 for bearing. In order to ensure the strength of the connection structure, the joints between the adjacent sub-boards 32 are all located on the bearing rods 21, for example, the gaps between the adjacent two sub-boards 32 are located on the corresponding first vertical brackets 211, or the gaps between the adjacent two sub-boards 32 are located on the corresponding first horizontal brackets 212 on the first vertical brackets 211.

In another embodiment, in order to ensure the tightness of the installation and fixation of the electrical cabinet, a reinforcing rod 2141 is disposed between the second cross brackets 214 in the installation area, and the reinforcing rod 2141 is disposed perpendicular to the second cross brackets 214, so as to increase the structural strength of the installation site of the electrical cabinet.

More specifically, in the zinc plating and corrosion prevention process of production, as each bracket is composed of section steel, the bracket section steel in the embodiment adopts I-steel, and channel steel, C-steel and the like can be adopted according to different types. The galvanization pool does not need to use a large galvanization pool of a traditional control cabinet platform bracket, thereby reducing galvanization process cost and greatly reducing transportation cost.

Further, as shown in fig. 6, the inclined bracket 215, the first vertical bracket 211, and the second vertical bracket 213 each include: an upper connecting plate 201 and a lower connecting plate 202 which are oppositely arranged, wherein the upper connecting plate 201 and the lower connecting plate 202 are mutually fixed through a plurality of middle connecting plates 203 which are arranged at intervals;

as shown in fig. 7, fig. 7 (a) is a front view of the first cross bracket 212, fig. 7 (b) is a left side view of the first cross bracket 212, fig. 7 (c) is a top view of the first cross bracket 212, the first cross bracket 212 and the second cross bracket 214 are i-beams, and both ends of the i-beams are provided with extension portions 204, and the extension portions 204 are connected with the corresponding middle connecting plates 203.

Specifically, in the present embodiment, the inclined bracket 215, the first vertical bracket 211, and the second vertical bracket 213 are each provided to include: the upper connecting plate 201 and the lower connecting plate 202 which are oppositely arranged are mutually fixed through the plurality of middle connecting plates 203 which are arranged at intervals between the upper connecting plate 201 and the lower connecting plate 202, and through the arrangement mode, the use of materials can be reduced, the weight of the upper connecting plate is reduced, and meanwhile, the structural strength can be ensured. In addition, in order to enhance structural strength, the first cross bracket 212 and the second cross bracket 214 are configured as i-steel, and extension portions 204 are respectively disposed at two ends of the i-steel, and the extension portions 204 are connected with the corresponding middle connecting plates 203 in a detachable manner through fasteners such as bolts and the like, so that structural strength can be ensured, and installation and detachment are also facilitated.

In another embodiment, the diagonal braces 215, the first vertical braces 211, the second vertical braces 213, the first cross braces 212, and the second cross braces 214 are all directly configured as i-beams, channel beams, or C-beams.

Further, the electrical cabinet mounting bracket further includes:

the climbing auxiliary mechanism 5, the top of climbing auxiliary mechanism 5 with bear frame 2 and be connected, the bottom of climbing auxiliary mechanism 5 is connected with two corresponding support montants 11 through supporting backing plate 6.

In this embodiment, the climbing assistance mechanism 5 may be configured as a ladder stand, a rope ladder, or the like, and may be configured according to actual conditions, so as to facilitate a worker to climb onto the upper end surface of the carrier plate 3 through the climbing assistance mechanism 5. In order to realize the installation and fixation of the climbing auxiliary mechanism 5, the top end of the climbing auxiliary mechanism 5 is connected with the bearing frame 2, and in order to facilitate the climbing of staff, the strength of the connecting structure is ensured, and the bottom end of the climbing auxiliary mechanism 5 is connected with two corresponding support vertical rods 11 through the support base plate 6; the support pad 6 may be provided in an L-shaped structure to enhance structural strength.

Further, as shown in fig. 2, the bracket further includes:

and the cable hanging bracket 7 is arranged on the lower end surface of the bearing frame 2 and is used for bearing cables of the electrical cabinet.

Specifically, after the electric cabinet is installed, the electric cabinet can lead out high-voltage cables, in order to realize limiting of the high-voltage cables, a cable hanging bracket 7 is arranged on the lower end face of the bearing frame 2, and the cable hanging bracket 7 is of a U-shaped or L-shaped structure and is used for bearing cables of the electric cabinet, so that protection of the electric cabinet cables is realized.

The embodiment of the invention also provides a design method of the electric appliance cabinet mounting bracket, which comprises the following steps: the support frame, set up the bearing frame on the support frame top and set up the loading board on the bearing frame, as shown in figure 9, the said method includes:

step one, constructing an initial design scheme of an electric appliance cabinet mounting bracket based on a minimum preset load and boundary conditions, wherein the initial design scheme comprises the following steps: the specification, the setting number and the setting position of the support frame, the specification, the setting number and the setting position of the bearing frame, and the specification of the bearing plate:

step two, calculating the tensile strength, the shearing strength and the main stress of the support frame, the bearing frame and the bearing plate in each initial design scheme;

step three, determining an initial design scheme that the tensile strength, the shearing strength and the main stress are smaller than the allowable stress of the material as a plurality of initial design results;

and step four, carrying out iterative optimization on the initial design result by using an optimization algorithm by taking no interference among the support frame, the bearing frame and the bearing plate and taking the maximum load and the minimum total weight as objective functions until the maximum iterative times are reached, and outputting the updated optimal design result of the electric cabinet mounting bracket.

In this embodiment, the tensile strength, shear strength and principal stress of the support frame, carrier and carrier plate in each initial design may be calculated by finite element analysis.

Further, the boundary condition includes: geometric dimension of structure, specification of support frame, arrangement interval of support frame, specification of bearing frame, arrangement interval of bearing frame, specification of bearing plate.

Further, the optimization algorithm is an annealing optimization algorithm or a genetic algorithm.

Specifically, in this embodiment, the specification in the initial design results is optimized by using an annealing optimization algorithm or a genetic algorithm, so that the initial design result with the smallest load (the smallest mass target) under the condition of the same weight or the initial design result with the smallest weight (the most economical target) under the condition of the same load is screened out as the optimal design result in all the initial design results.

In one specific embodiment, as shown in fig. 10, a design flow is provided:

1. explicit loading and boundary conditions. In this embodiment, all of the components are gravity loaded. The supporting leg is fixedly supported at one end, and the upper section applies force and moment to calculate. The force and moment are the component force (uniformly distributed force) and moment of the gravity of the electrical cabinet above the platform on each supporting leg and the gravity load (concentrated force) of the person. The simulation is carried out on the upper part of the control cabinet platform according to a manned standard of 2 persons, each person calculates according to 1500KN (including a safety coefficient), the support calculates according to the gravity of the electrical cabinet and the gravity load of the person, and the lower part of the support is connected with the supporting legs and calculates according to the fixed support, and all the loads include the safety coefficient.

2. The engineering algorithm calculates the maximum load. The maximum load calculation was performed as listed in item 1. And respectively calculating the deflection line equation, the end section transfer, the maximum deflection and the maximum load of the bearing plate, the bearing frame and the supporting frame. And carrying out resultant force calculation on each load. And synthesizing the tensile strength and the shearing strength by the first strength theory (or the third strength theory) to obtain the main stress.

3. And (5) calculating intensity. And 2, calculating to obtain values of tensile strength, shearing strength, main stress and the like which are less than or equal to allowable stress values of the material. The allowable stress value is the ratio of the stress value of the corresponding material to the safety coefficient.

4. And (5) determining judgment. And 3, calculating the intensity value to meet the requirement. It can be clarified that:

the specification, the number and the positions of the supporting frames;

the specification, the number and the position of the bearing frames;

the thickness of the carrier plate.

If the strength does not meet the requirement, changing the specification of the bearing plate, the bearing frame and the supporting frame to recalculate 1-3 strips.

5. And (5) drawing a three-dimensional model. Three-dimensional drawing software may be used for drawing.

6. Finite element analysis calculation. And (3) carrying out grid division on the model, and dividing the model into a plurality of working conditions according to the overall analysis of the loaded condition. The remaining several operating conditions are not described in detail.

7. And (5) analyzing results.

8. And optimizing a three-dimensional software model. If the load is smaller or larger in the load analysis process, model optimization can be performed by adjusting the specifications of the bearing plate, the bearing frame and the supporting frame in the step 4. The annealing optimization mode (genetic algorithm can also be adopted) is adopted for optimization in the method. The whole design is carried out by adopting an equal stress principle. The method comprises the following steps:

the stress of the position with large stress can be reduced by adopting modes of increasing supporting rib plates, improving the specification of the profile and the like;

the position with small stress can adopt modes of reducing the thickness of the plate, reducing the specification of the section bar and the like;

9. repeating the steps 6-8 until the iterative analysis meets the optimal solution. The optimal solution standard meets one of the following two conditions:

the load is the smallest (minimum mass target) with the same weight;

the weight is the smallest (most economical goal) with the same load;

10. and (5) calculating the strength of the connecting bolt. And (3) calculating the load at the bolt according to the bolt stress at the corresponding position of the result in the step 7, wherein the load at the bolt is required to meet the ultimate strength of the bolt.

11. The model is finally determined.

12. Functionality is added such as ladders, cable hangers, etc.

13. Checking model interference and the like. And drawing a two-dimensional model without interference.

The foregoing details of the optional implementation of the embodiment of the present invention have been described in detail with reference to the accompanying drawings, but the embodiment of the present invention is not limited to the specific details of the foregoing implementation, and various simple modifications may be made to the technical solution of the embodiment of the present invention within the scope of the technical concept of the embodiment of the present invention, and these simple modifications all fall within the protection scope of the embodiment of the present invention.

In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, various possible combinations of embodiments of the present invention are not described in detail.

Those skilled in the art will appreciate that all or part of the steps in implementing the methods of the embodiments described above may be implemented by a program stored in a storage medium, including instructions for causing a single-chip microcomputer, chip or processor (processor) to perform all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.

In addition, any combination of various embodiments of the present invention may be performed, so long as the concept of the embodiments of the present invention is not violated, and the disclosure of the embodiments of the present invention should also be considered.

Claims (10)

1. An electrical cabinet mounting bracket, characterized in that the electrical cabinet mounting bracket comprises:

a support frame (1), the support frame (1) comprising: the device comprises a plurality of reinforcing beams (12) and a plurality of vertically arranged supporting vertical rods (11), wherein the reinforcing beams (12) are fixed between every two supporting vertical rods (11);

the bearing frame (2) is horizontally arranged at the top end of the supporting frame (1), and the bearing frame (2) consists of a plurality of bearing rods (21) which are connected with each other;

the bearing plate (3) is arranged on the bearing frame (2), an installation area (31) is formed in the bearing plate (3) and used for installing an electrical cabinet, the bearing plate (3) is formed by mutually splicing a plurality of sub-plates (32), and the sub-plates (32) are fixed with corresponding bearing rods (21).

2. The electrical cabinet mounting bracket according to claim 1, wherein a plurality of support vertical rods (11) are symmetrically arranged, the top end and the bottom end of each support vertical rod (11) are horizontally provided with a support plate (111), and the bearing frame (2) is fixed with the support plate (111) at the top end of the support vertical rod (11).

3. The appliance cabinet mounting bracket of claim 2, further comprising:

and each horizontal adjusting plate (4) is rotatably connected with a supporting plate (111) at the bottom end of the corresponding supporting vertical rod (11) through a bolt.

4. The electrical cabinet mounting bracket according to claim 1, wherein the carrier bar (21) comprises:

a plurality of first vertical brackets (211) which are arranged at intervals in parallel, and a plurality of first transverse brackets (212) are arranged between two adjacent first vertical brackets (211);

a plurality of second vertical supports (213) which are arranged at intervals and in parallel, wherein the second vertical supports (213) are connected with the corresponding first vertical supports (211) through a plurality of second transverse supports (214);

and a plurality of symmetrically arranged inclined brackets (215), wherein each inclined bracket (215) is connected with a corresponding first vertical bracket (211) and a corresponding second vertical bracket (213).

5. The appliance cabinet mounting bracket of claim 4 wherein the angled bracket (215), the first upright bracket (211) and the second upright bracket (213) each comprise: the upper connecting plates (201) and the lower connecting plates (202) are oppositely arranged, and the upper connecting plates (201) and the lower connecting plates (202) are mutually fixed through a plurality of middle connecting plates (203) which are arranged at intervals;

the first transverse support (212) and the second transverse support (214) are I-steel, extension portions (204) are arranged at two end portions of the I-steel, and the extension portions (204) are connected with the corresponding middle connecting plates (203) mutually.

6. The appliance cabinet mounting bracket of claim 1, further comprising:

the climbing auxiliary mechanism (5), the top of climbing auxiliary mechanism (5) with bear frame (2) and be connected, the bottom of climbing auxiliary mechanism (5) is connected with two spinal branch stay (11) that correspond through supporting backing plate (6).

7. The appliance cabinet mounting bracket of claim 1, further comprising:

the cable hanging bracket (7) is arranged on the lower end face of the bearing frame (2) and is used for bearing cables of the electrical cabinet.

8. A method of designing an electrical cabinet mounting bracket, the electrical cabinet mounting bracket comprising: the device comprises a support frame, a bearing frame arranged at the top end of the support frame and a bearing plate arranged on the bearing frame, and is characterized in that the method comprises the following steps:

based on the minimum preset load and boundary conditions, an initial design scheme of the electric cabinet mounting bracket is constructed, and the initial design scheme comprises the following steps: the specification, the setting number and the setting position of the support frame, the specification, the setting number and the setting position of the bearing frame, and the specification of the bearing plate:

calculating the tensile strength, the shearing strength and the main stress of the support frame, the bearing frame and the bearing plate in each initial design scheme;

determining an initial design scheme that the tensile strength, the shearing strength and the main stress are smaller than the allowable stress of the material as a plurality of initial design results;

and (3) taking no interference among the support frame, the bearing frame and the bearing plate, the maximum load and the minimum total weight as objective functions, carrying out iterative optimization on an initial design result by utilizing an optimization algorithm until the maximum iterative times are reached, and outputting the updated optimal design result of the electric cabinet mounting bracket.

9. The method of claim 8, wherein the boundary conditions include: geometric dimension of structure, specification of support frame, arrangement interval of support frame, specification of bearing frame, arrangement interval of bearing frame, specification of bearing plate.

10. The method for designing an electrical cabinet mounting bracket according to claim 8, wherein the optimization algorithm is an annealing optimization algorithm or a genetic algorithm.