CN111196412A - Porcelain knob type circuit breaker packaging structure - Google Patents
Porcelain knob type circuit breaker packaging structure Download PDFInfo
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- CN111196412A CN111196412A CN201911328665.4A CN201911328665A CN111196412A CN 111196412 A CN111196412 A CN 111196412A CN 201911328665 A CN201911328665 A CN 201911328665A CN 111196412 A CN111196412 A CN 111196412A
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- circuit breaker
- type circuit
- fixing frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/02—Internal fittings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
- B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
- B65D21/0209—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together stackable or joined together one-upon-the-other in the upright or upside-down position
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/02—Internal fittings
- B65D25/10—Devices to locate articles in containers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packaging Of Machine Parts And Wound Products (AREA)
Abstract
The invention relates to a porcelain knob type circuit breaker packaging structure. The porcelain column type circuit breaker packaging structure comprises at least two layers of fixing frames which are arranged up and down, wherein the fixing frames comprise a first fixing frame and other second fixing frames which are positioned at the top layer when in use; the second fixing frame comprises a bottom frame, and the bottom frame comprises a cross beam and a longitudinal beam which are enclosed into a rectangular structure; when the circuit breaker is used, the cross beam is used for supporting an end flange of the porcelain column type circuit breaker and fixedly connecting a wiring board at the end flange; the second fixing frame also comprises a vertical supporting beam fixed at the corner of the rectangular structure and used for supporting the first fixing frame or the second fixing frame which is adjacent to the upper part; the first fixing frame comprises a transverse supporting beam, the transverse supporting beam is supported and fixed on a vertical supporting beam of the second fixing frame adjacent to the lower portion when in use, and the transverse supporting beam is used for supporting a corresponding flange of the porcelain column type circuit breaker and fixedly connecting a wiring board at the flange. Compared with the steel frame in the prior art, the steel frame has the advantages of less required steel and lower cost.
Description
Technical Field
The invention relates to a porcelain knob type circuit breaker packaging structure.
Background
The circuit breaker is an important element in the processes of power generation, power transformation, power transmission, power distribution and the like in the power industry. In the high-voltage, extra-high-voltage and extra-high-voltage fields, the size of the matched circuit breaker is often larger, for example, a 252kV porcelain column type circuit breaker occupies a large area in the storage and transportation processes, and the storage and transportation costs are high.
There is a steel frame for pile porcelain column type circuit breaker among the prior art, include the rectangle structure that is enclosed by crossbeam and longeron, be equipped with the perpendicular supporting beam who is used for supporting upper steel frame in the bight of rectangle structure, the steel frame still includes the removable horizontal supporting beam who fixes on the longeron, and the horizontal supporting beam is equipped with three for support porcelain column type circuit breaker through three flange structure on the porcelain column type circuit breaker respectively, and the horizontal supporting beam still supplies the wiring board of flange department to pass through bolt fixed connection.
Above-mentioned steel frame can pile porcelain column type circuit breaker, reduces the area of porcelain column type circuit breaker when depositing and transporting, reduces the cost of storing and transporting, but the steel that above-mentioned steel frame used is more, and manufacturing cost is high.
Disclosure of Invention
The invention aims to provide a porcelain column type circuit breaker packaging structure, which is used for solving the problems that a steel frame for stacking porcelain column type circuit breakers in the prior art needs more steel and is higher in cost.
In order to achieve the purpose, the technical scheme of the porcelain column type circuit breaker packaging structure is as follows: the porcelain column type breaker packaging structure comprises at least two layers of fixing frames which are arranged up and down, the adjacent two layers of fixing frames are supported and matched,
the fixing frame comprises a first fixing frame and other second fixing frames which are positioned on the top layer when in use;
the second fixing frame comprises a bottom frame, and the bottom frame comprises a cross beam and a longitudinal beam which are enclosed into a rectangular structure;
when the circuit breaker is used, the cross beam is used for supporting an end flange of the porcelain column type circuit breaker and fixedly connecting a wiring board at the end flange;
the second fixing frame also comprises a vertical supporting beam fixed at the corner of the rectangular structure and used for supporting the first fixing frame or the second fixing frame which is adjacent to the upper part;
the first fixing frame comprises a transverse supporting beam, the transverse supporting beam is supported and fixed on a vertical supporting beam of the second fixing frame adjacent to the lower portion when in use, and the transverse supporting beam is used for supporting the corresponding flange of the porcelain column type circuit breaker and fixedly connecting the wiring board at the corresponding flange.
The porcelain column type circuit breaker packaging structure has the beneficial effects that: first, the corner of the rectangular structure is fixed with a vertical supporting beam which can support a transverse supporting beam of the first fixing frame, and the transverse supporting beam is used for supporting and fixing the porcelain-column type circuit breaker.
Furthermore, the second fixing frame also comprises a vertical supporting beam which is fixed and supported in the middle of the longitudinal beam.
The fixing frame has the beneficial effects that the structural strength of the second fixing frame is ensured, and the middle part of the second fixing frame is prevented from being bent.
Furthermore, the second mount still includes horizontal auxiliary beam, fixes and supports in the middle part of longeron for support porcelain column type circuit breaker's middle part flange and supply the wiring board fixed connection of middle part flange department when using.
The porcelain knob type circuit breaker has the beneficial effects that the middle part of the porcelain knob type circuit breaker is prevented from being bent.
Furthermore, the auxiliary cross beam and one of the cross beams are detachably and fixedly connected with the corresponding longitudinal beam.
The porcelain column type circuit breaker fixing device has the beneficial effects that the cross beam and the transverse auxiliary beam can be fixedly connected with the corresponding flanges of the porcelain column type circuit breaker, and then the cross beam and the transverse auxiliary beam are fixedly connected with the longitudinal beam, so that the porcelain column type circuit breaker can be more reliably fixed.
Furthermore, the first fixing frame and a second fixing frame adjacent to the lower portion are fixedly connected to form a double-layer structure.
The porcelain knob type circuit breaker packaging structure has the beneficial effects that the occupied space is saved when the porcelain knob type circuit breaker is fixedly connected with the porcelain knob type circuit breaker packaging structure.
Further, the vertical supporting beams fixed at the corners of the rectangular structures are provided with limiting structures used for limiting the adjacent and upper rectangular structures along the horizontal direction.
The anti-slipping device has the beneficial effects that the relative positions of the two adjacent second fixing frames in the horizontal direction are ensured, and the slipping is avoided.
Furthermore, the top of the limiting structure comprises a guide surface extending outwards and used for guiding the rectangular structure above the limiting structure.
The beneficial effect is that the stacking is convenient.
Furthermore, the vertical supporting beams are detachably and fixedly connected with the corresponding transverse supporting beams.
The fixing device has the beneficial effect of avoiding the dislocation of the first fixing frame and the second fixing frame.
Furthermore, the vertical supporting beam fixed and supported in the middle of the longitudinal beam can be detachably fixed on the longitudinal beam.
The porcelain knob type circuit breaker has the beneficial effect that the interference generated on the fixation of the porcelain knob type circuit breaker is avoided.
Furthermore, the vertical supporting beams fixed and supported in the middle of the longitudinal beam of the at least two layers of fixing frames are arranged in a staggered mode along the extending direction of the longitudinal beam.
The structure is more reliable.
Drawings
Fig. 1 is a schematic view illustrating a single layer of support frame and a porcelain knob type circuit breaker in a specific embodiment 1 of a porcelain knob type circuit breaker packaging structure according to the present application;
fig. 2 is a three-dimensional view of a bottom chassis of a double-layer fixing frame in embodiment 1 of the porcelain knob type circuit breaker packaging structure of the present application;
fig. 3 is a schematic view illustrating a double-layer supporting frame and a porcelain knob type circuit breaker in an embodiment 1 of the porcelain knob type circuit breaker packaging structure of the present application;
fig. 4 is a three-dimensional view of a porcelain knob type circuit breaker packaging structure according to embodiment 1 of the present application when mated with a porcelain knob type circuit breaker;
fig. 5 is an axial view of the porcelain knob type circuit breaker packaging structure according to embodiment 1 of the present application when mated with a porcelain knob type circuit breaker;
fig. 6 is a three-dimensional view of a sheet metal part in embodiment 1 of the porcelain knob type circuit breaker packaging structure of the present application;
in the figure: 1. porcelain column type circuit breaker, 2, individual layer longeron, 3, first crossbeam, 4, individual layer horizontal auxiliary beam, 5, individual layer removable crossbeam, 6, individual layer tip vertical supporting beam, 7, first stop arm, 8, second stop arm, 9, the guide surface, 10, individual layer middle part vertical supporting beam, 11, bottom longeron, 12, second crossbeam, 13, bottom tip vertical supporting beam, 14, support angle steel, 15, bottom horizontal auxiliary beam, 16, bottom removable crossbeam, 17, bottom middle part vertical supporting beam, 18, horizontal supporting beam, 19, the strengthening rib.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the application, i.e., the embodiments described are only a subset of, and not all embodiments of the application. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present application are described in further detail below with reference to examples.
The application of the porcelain knob type circuit breaker packaging structure embodiment 1: porcelain column type circuit breaker packaging structure (hereinafter referred to as packaging structure) includes the three-layer mount of arranging from top to bottom, and adjacent two-layer mount supports the cooperation. The three-layer fixing frame is divided into a single-layer fixing frame and a double-layer fixing frame when in use, and the double-layer fixing frame forms a double-layer structure formed by fixedly connecting a first fixing frame and a second fixing frame adjacent to the lower portion. The double-deck mount includes the bottom mount of bottom and the top layer mount at top, and after porcelain column type circuit breaker 1 that each layer mount corresponds all fixed, with double-deck mount pile on the individual layer mount, the bottom mount of individual layer mount and double-deck mount constitutes the second mount respectively, and the top layer mount of double-deck mount constitutes first mount.
As shown in figure 1, the single-layer fixing frame comprises a single-layer underframe, a single-layer transverse auxiliary beam 4, a single-layer middle vertical supporting beam 10 and a single-layer detachable cross beam 5, and all the structures of the single-layer fixing frame are detachably and fixedly connected through hexagon bolts. The single-layer underframe comprises a first cross beam 3, a single-layer longitudinal beam 2 and a single-layer end vertical support beam 6, as shown in fig. 6, a sheet metal part is arranged at the top of the single-layer end vertical support beam 6 and comprises a first stop arm 7 and a second stop arm 8, the first stop arm 7 and the second stop arm 8 form an L-shaped structure, and when the single-layer underframe is used, the L-shaped structures of the four single-layer end vertical support beams 6 are matched with each other to limit a double-layer fixing frame above the single-layer end vertical support beams along the horizontal direction, so that reliable stacking of the single-layer support frame and the double-layer support frame. The first stop arm 7 and the second stop arm 8 together form a limit structure. The upper parts of the limiting arms of the first stopping arm 7 and the second stopping arm 8 are bent outwards to form bent parts, inclined guide surfaces 9 are arranged on the bent parts, and the guide surfaces 9 are used for guiding the stacking process of the upper double-layer fixing piece and are convenient for placing the double-layer fixing frame at a preset position on the single-layer fixing frame.
The detachable crossbeam 5 of individual layer encloses into rectangular structure and constitutes the bottom frame of individual layer mount with first crossbeam 3, individual layer longeron 2, is equipped with on the detachable crossbeam 5 of individual layer to be used for erecting the removable strengthening rib 19 that links firmly of a supporting beam 6 with the individual layer tip that corresponds, and the detachable crossbeam 5 of individual layer and first crossbeam 3 supply the tip flange that porcelain column circuit breaker 1 corresponds respectively to form reliable support and supply the wiring board of tip flange department to pass through hexagon bolt and fix. The horizontal auxiliary beam 4 of individual layer is fixed and is supported in the middle part of longeron for support porcelain column type circuit breaker's middle part flange and supply the wiring board of middle part flange department to pass through hexagon bolt fixed connection when using, and with the removable crossbeam 5 cooperation of first crossbeam 3 and individual layer, supply porcelain column type circuit breaker 1 to form reliable support and fixed. A supporting beam 10 is fixed and is supported at the middle part of longeron in individual layer middle part, including the channel-section steel, roof and bottom plate, the channel-section steel extends along upper and lower direction when using, the roof and bottom plate are fixed respectively at the top of channel-section steel, the bottom for the area of contact of increase and upper and lower below bottom frame, the supporting beam 10 is erected at the individual layer middle part and is supported the double-deck mount of top with the cooperation of the supporting beam 6 is erected to the individual layer tip, the supporting beam 10 is erected at the individual layer middle part and the supporting beam 6 is erected to the individual layer. The single-layer middle vertical support beam 10 constitutes a vertical support beam fixed and supported at the middle of the longitudinal beam, and the single-layer end vertical support beam 6 constitutes a vertical support beam fixed at the corner of the rectangular structure.
As shown in fig. 2 and 3, the bottom mount includes the bottom chassis, bottom horizontal auxiliary beam 15, bottom middle part erects a supporting beam 17, bottom detachable cross beam 16, the individual layer chassis includes second crossbeam 12, bottom longeron 11 and bottom tip erect a supporting beam 13, the structure of bottom mount is similar with the structure of individual layer mount, the difference lies in the vertical supporting beam of bottom mount and the vertical supporting beam's of individual layer support frame structure difference, the vertical supporting beam of bottom mount includes bottom tip erects a supporting beam 13 and bottom middle part erects a supporting beam 17, bottom tip erects a supporting beam 13 and includes the channel-section steel that extends along upper and lower direction, the opening direction of channel-section steel is outside along the extending direction of crossbeam, it has the through-hole to open on the bottom plate of channel-section steel, supply the shoring support. The outside of the bottom plate of channel-section steel is equipped with support angle 14, support angle 14 includes linking arm and support arm, the linking arm supports a horizontal supporting beam 18 when being used for supporting the horizontal supporting beam 18 of top layer support frame with the vertical supporting beam 13 of the bottom tip that corresponds or the vertical supporting beam 17 fixed connection in bottom middle part, be convenient for a horizontal supporting beam 18 with the vertical supporting beam 13 of the bottom tip that corresponds or the vertical supporting beam 17 centering in bottom middle part, be convenient for inserting of the hexagon bolt that corresponds.
The bottom layer middle vertical support beam 17 is different from the bottom layer end vertical support beam 13 in that the opening of the channel steel of the bottom layer middle vertical support beam 17 is inward along the extending direction of the bottom layer transverse auxiliary beam 15, and the support angle steel is fixed on the inner side of the bottom plate of the channel steel. The through hole formed in the bottom plate of the channel steel is a long hole with the length direction along the horizontal direction, so that manufacturing and assembling errors of the bottom layer support frame along the extension direction of the longitudinal beam are compensated.
The top layer fixing frame is composed of three parallel cross supporting beams 18, the cross supporting beams 18 are respectively fixed on the bottom layer end vertical supporting beam 13 and the bottom layer middle vertical supporting beam 17 of the bottom layer fixing frame through hexagon bolts and are used for respectively supporting an end flange or a middle flange of the corresponding porcelain column type circuit breaker 1 and fixedly connecting a wiring board at the corresponding end flange or the middle flange.
The application of the porcelain knob type circuit breaker packaging structure of the embodiment 1 is as follows: as shown in fig. 4 and 5, the single-layer support frame is used: firstly, a single-layer transverse auxiliary beam 4 and a single-layer detachable cross beam 5 are respectively connected with a single-layer underframe by using hexagon bolts to form a bottom frame of a single-layer fixed frame and are not fastened temporarily. And secondly, stably hoisting the porcelain knob type circuit breaker 1 to the single-layer frame one by one and fixing the porcelain knob type circuit breaker 1 to the first cross beam 3, the single-layer transverse auxiliary beam 4 and the single-layer detachable cross beam 5 by using a hexagon bolt, and paying attention to the fact that the fixing surface of the porcelain knob type circuit breaker 1 is in close contact with the single-layer frame. And thirdly, mounting the single-layer middle vertical support beam 10 on the single-layer underframe by using the hexagon bolts and fastening all the hexagon bolts in the first step. And fourthly, wrapping the porcelain bushing part of the porcelain column type circuit breaker 1 by using a flexible material so as to properly improve the protection performance.
The use process of the double-layer support frame is as follows: firstly, the bottom layer transverse auxiliary beam 15, the bottom layer middle vertical supporting beam 17 and the bottom layer detachable cross beam 16 are respectively connected with the bottom layer underframe by using hexagon bolts and are not fastened temporarily. And secondly, stably hoisting the porcelain knob type circuit breaker 1 one by one and fixing the porcelain knob type circuit breaker 1 to the bottom support frame by using a hexagon bolt, and paying attention to the fact that the fixing surface of the porcelain knob type circuit breaker 1 is in close contact with the bottom support frame. And thirdly, fastening all the hexagon bolts in the first step. Fourthly, the three transverse supporting beams 18 are respectively connected with the corresponding bottom end vertical supporting beam 13 and the bottom middle vertical supporting beam 17 by using the hexagon bolts, and are not fixed temporarily. Fifthly, the porcelain knob type circuit breaker 1 is hoisted one by one stably and fixed to the cross support beam 18 by using a hexagon bolt, and the fixing surface of the porcelain knob type circuit breaker 1 is required to be in close contact with the cross support beam 18. And sixthly, fastening all the hexagon bolts in the fourth step and wrapping the porcelain bushing part of the porcelain column type circuit breaker 1 by using a flexible material so as to properly improve the protection performance.
And finally, stably hoisting the double-layer support frame on the single-layer support frame, and fixing the upper layer and the lower layer together by using the hexagon bolts and the connecting bent plate so as to improve the safety performance in the transportation process. The first step in the use of individual layer support frame, first step and the fourth step in the use of double-deck support frame, the purpose of not fastening bolt earlier is that better assurance knob insulator type circuit breaker 1 closely laminates with individual layer crossbeam, the horizontal auxiliary beam 4 of individual layer, bottom crossbeam, the horizontal auxiliary beam 15 of bottom, horizontal supporting beam 18 that correspond.
Because the top layer support frame of the double-layer support frame does not have the longitudinal beam and the vertical support beam, the interference on the operation of wrapping the flexible material is avoided, and the safety of operators when wrapping the flexible material is ensured.
This embodiment is written according to the knob insulator type circuit breaker packaging structure who is used for wrapping up the knob insulator type circuit breaker of 252kV, according to the radial dimension of knob insulator type circuit breaker and the limit for height during the transportation to the consideration of comprehensive transportation expense, the general pile three-layer of knob insulator type circuit breaker when the transportation of 252kV, when needs pile two-layer, double-deck mount or two-layer support complex individual layer mount can satisfy the requirement. When more than three layers need to be stacked, only one double-layer fixing frame is arranged and the number of the stacking layers is equal to the number of the single-layer fixing frames, and certainly, stacking can also be completely realized through the single-layer fixing frame.
The packaging structure of the porcelain column type circuit breaker can also be used for porcelain column type circuit breakers of other voltage classes, and the size of the packaging structure can be changed according to the size of the porcelain column type circuit breaker.
The application of the porcelain knob type circuit breaker packaging structure embodiment 2: this example differs from the specific example 1 in that: a single-layer middle vertical supporting beam is not arranged, a double-layer fixing frame above the single-layer end vertical supporting beam is used for supporting, and the waist collapse can be avoided only by the fact that the structural strength of the bottom longitudinal beam is high.
The application of the porcelain knob type circuit breaker packaging structure embodiment 3: this example differs from the specific example 1 in that: the bottom layer transverse auxiliary beam and the single-layer transverse auxiliary beam are not arranged, the porcelain column type circuit breaker is supported only by the first cross beam, the single-layer detachable cross beam, the second cross beam and the bottom layer detachable cross beam, and the mode is suitable for the porcelain column type circuit breaker with shorter axial length.
The application of the porcelain knob type circuit breaker packaging structure embodiment 4: this example differs from the specific example 1 in that: the single-layer detachable cross beam is fixedly connected with the single-layer longitudinal beam, and the bottom-layer detachable cross beam is fixedly connected with the bottom-layer longitudinal beam in a non-detachable mode.
The application of the porcelain knob type circuit breaker packaging structure embodiment 5: this example differs from the specific example 1 in that: three-layer knob insulator type circuit breakers are stacked through the three single-layer fixing frames, the knob insulator type circuit breakers are supported and fixed on the corresponding single-layer fixing frames respectively, and then the three single-layer fixing frames are stacked in sequence.
The application of the porcelain knob type circuit breaker packaging structure embodiment 6: this example differs from the specific example 1 in that: a limit structure is not arranged at the top of the single-layer end vertical support beam, and the position of the single-layer fixing frame and the position of the double-layer fixing frame are prevented from deviating by connecting the bent plate.
The application of porcelain column circuit breaker packaging structure embodiment 7: this example differs from the specific example 1 in that: the top of limit structure does not set up the guide face, and at this moment, when hoist double-deck mount to the individual layer mount on, need accurate centering.
The application of the porcelain knob type circuit breaker packaging structure embodiment 8: this example differs from the specific example 1 in that: the horizontal support beam is supported on the corresponding bottom end vertical support beam and the bottom middle vertical support beam, and is not connected through the hexagon bolt, so that the bottom end vertical support beam is required to be set into a bottom middle vertical support beam mode, and the horizontal support beam is reliably limited in the horizontal direction.
The application of the porcelain knob type circuit breaker packaging structure embodiment 9: this example differs from the specific example 1 in that: the single-layer middle vertical supporting beam is integrally arranged on the single-layer longitudinal beam, and the bottom middle vertical supporting beam is integrally arranged on the bottom longitudinal beam.
The concrete embodiment 10 of the porcelain knob type circuit breaker packaging structure of the present application: this example differs from the specific example 1 in that: the bottom middle vertical supporting beam and the single-layer middle vertical supporting beam are positioned in the same vertical plane.
The above description is only a preferred embodiment of the present application, and not intended to limit the present application, the scope of the present application is defined by the appended claims, and all changes in equivalent structure made by using the contents of the specification and the drawings of the present application should be considered as being included in the scope of the present application.
Claims (10)
1. The porcelain column type breaker packaging structure comprises at least two layers of fixing frames which are arranged up and down, the adjacent two layers of fixing frames are supported and matched,
the fixing frame comprises a first fixing frame and other second fixing frames which are positioned on the top layer when in use;
the second fixing frame comprises a bottom frame, and the bottom frame comprises a cross beam and a longitudinal beam which are enclosed into a rectangular structure;
the method is characterized in that: when the circuit breaker is used, the cross beam is used for supporting an end flange of the porcelain column type circuit breaker and fixedly connecting a wiring board at the end flange;
the second fixing frame also comprises a vertical supporting beam fixed at the corner of the rectangular structure and used for supporting the first fixing frame or the second fixing frame which is adjacent to the upper part;
the first fixing frame comprises a transverse supporting beam, the transverse supporting beam is supported and fixed on a vertical supporting beam of the second fixing frame adjacent to the lower portion when in use, and the transverse supporting beam is used for supporting the corresponding flange of the porcelain column type circuit breaker and fixedly connecting the wiring board at the corresponding flange.
2. The porcelain knob type circuit breaker packing structure according to claim 1, wherein: the second fixing frame further comprises a vertical supporting beam fixed and supported in the middle of the longitudinal beam.
3. A porcelain column type circuit breaker packing structure according to claim 1 or 2, wherein: the second fixing frame further comprises a transverse auxiliary beam which is fixed and supported in the middle of the longitudinal beam and used for supporting a middle flange of the porcelain column type circuit breaker and fixedly connecting a wiring board at the middle flange when the second fixing frame is used.
4. The porcelain knob type circuit breaker packing structure according to claim 3, wherein: the transverse auxiliary beam and one of the transverse beams are detachably and fixedly connected with the corresponding longitudinal beam respectively.
5. A porcelain column type circuit breaker packing structure according to claim 1 or 2, wherein: the first fixing frame is fixedly connected with the second fixing frame adjacent to the lower portion to form a double-layer structure.
6. A porcelain column type circuit breaker packing structure according to claim 1 or 2, wherein: the vertical supporting beams fixed at the corners of the rectangular structures are provided with limiting structures used for limiting the adjacent upper rectangular structures along the horizontal direction.
7. The porcelain knob type circuit breaker packing structure according to claim 6, wherein: the top of the limiting structure comprises a guide surface extending outwards and used for guiding the rectangular structure above the limiting structure.
8. A porcelain column type circuit breaker packing structure according to claim 1 or 2, wherein: the vertical supporting beam is detachably and fixedly connected with the corresponding transverse supporting beam.
9. The porcelain knob type circuit breaker packing structure according to claim 2, wherein: the vertical supporting beam fixed and supported in the middle of the longitudinal beam can be detachably fixed on the longitudinal beam.
10. The porcelain knob type circuit breaker packing structure according to claim 2, wherein: and the vertical supporting beams fixed and supported in the middle of the longitudinal beam of the at least two layers of fixing frames are arranged in a staggered manner along the extending direction of the longitudinal beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911328665.4A CN111196412B (en) | 2019-12-20 | 2019-12-20 | Porcelain knob type circuit breaker packaging structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911328665.4A CN111196412B (en) | 2019-12-20 | 2019-12-20 | Porcelain knob type circuit breaker packaging structure |
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| CN111196412A true CN111196412A (en) | 2020-05-26 |
| CN111196412B CN111196412B (en) | 2021-11-05 |
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| CN201911328665.4A Active CN111196412B (en) | 2019-12-20 | 2019-12-20 | Porcelain knob type circuit breaker packaging structure |
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