CN211237849U - Box type resistor cabinet for crane - Google Patents
Box type resistor cabinet for crane Download PDFInfo
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- CN211237849U CN211237849U CN201922302093.4U CN201922302093U CN211237849U CN 211237849 U CN211237849 U CN 211237849U CN 201922302093 U CN201922302093 U CN 201922302093U CN 211237849 U CN211237849 U CN 211237849U
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- type resistor
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- cabinet
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Abstract
The utility model discloses a box resistor cabinet especially discloses a box resistor cabinet for hoist, belongs to electrical equipment annex manufacturing and designing technical field. The box type resistor cabinet for the crane is convenient to maintain, disassemble and assemble. The box-type resistor cabinet comprises a framework, fixing supports and a protection heat dissipation system, the number of the fixing supports is equal to that of box-type resistors to be placed, each group of the fixing supports are fixedly arranged on the framework in sequence along the height direction, the protection heat dissipation system covers the outer side of the framework, and each external box-type resistor is fixedly arranged on each group of the fixing supports correspondingly.
Description
Technical Field
The utility model relates to a box resistor cabinet especially relates to a box resistor cabinet for hoist, belongs to electrical equipment annex manufacturing and designing technical field.
Background
The common speed regulation control of each mechanism of the crane comprises rotor series resistance speed regulation, stator voltage regulation and speed regulation and variable frequency speed regulation, and resistors are necessary components in three speed regulation control loops. In the rotor series resistance speed regulation control loop and the stator voltage and speed regulation control loop, the resistor is connected into a rotor winding of the motor, the starting current is reduced, the starting torque is increased, the rotating speed of the motor is regulated according to the resistance value of the input resistor, and the application number of a single crane is about 10 boxes generally. The resistor is used as a braking element in a variable-frequency speed control loop, the direct-current bus voltage in braking is reduced, and the number of the resistors used on a single crane is about 5 boxes generally.
The resistor generally adopts box design, and terminal/connector lug is located resistance box dead ahead, and every case area heat dissipation protection casing closes on and overlaps from top to bottom between the case and places, adopts the bolt to fix, for safety, the highest 5 casees that overlap. Because the resistor generates heat in the power-on state, when the service life is long and the service environment is severe, the resistance wire of the resistor is broken due to oxidation and corrosion, and the whole resistor box needs to be replaced. When the resistors are replaced, all the cables of the resistors in the box and the resistors overlapped and installed above the resistors need to be protectively removed, the connecting bolts of the resistors in the box and the resistors overlapped and installed above the resistors are removed, the resistors in the box can be replaced after the resistors overlapped and installed above the resistors are removed, then all the resistors and cable joints are restored in sequence, the operation time is long, and the multi-user cooperation operation is needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the box type resistor cabinet for the crane is convenient to maintain, disassemble and assemble.
The technical scheme adopted for solving the technical problems is as follows: the box-type resistor cabinet for the crane comprises a framework, fixing supports and a protection heat dissipation system, wherein the number of the fixing supports is equal to that of box-type resistors to be placed, the fixing supports of all groups are fixedly arranged on the framework in sequence along the height direction, the protection heat dissipation system is coated on the outer side of the framework, and all external box-type resistors are fixedly arranged on all groups of the fixing supports correspondingly.
Furthermore, the framework comprises four supporting columns, each group of fixing supports are respectively connected with the supporting columns at the corresponding positions through four respective corners in a welding mode, and the protective heat dissipation system is detachably coated on the outer side of the framework.
The preferred mode of above-mentioned scheme is that each group's fixed bolster all includes two fixed angle steel of side direction and one backward fixed angle steel, and each fixed angle steel is respectively through the support post welded connection of respective both ends and relevant position department.
Further, each lateral fixing angle steel is respectively provided with a bolt hole, and each external box-type resistor is detachably and fixedly arranged on the fixing support at the corresponding position through the bolt hole at the corresponding position under the matching of the corresponding fixing bolt.
The preferred mode of above-mentioned scheme is, protection cooling system include top cap, rear side backplate, left side backplate, right side backplate and cabinet door rear side backplate, left side backplate and right side backplate on equallyd divide and do not be provided with the venetian blind formula louvre, the top cap adorn admittedly the top of skeleton, rear side backplate, left side backplate and right side backplate are respectively detachable adorn admittedly the rear side, left side and right side of skeleton, the cabinet door can be opened through the hinge and close adorn admittedly the front side of skeleton.
Furthermore, the rear side guard plate, the left side guard plate and the right side guard plate are detachably and fixedly arranged on the rear side, the left side and the right side of the framework respectively through fixing bolts.
The preferred mode of above-mentioned scheme is that the number of blocks of left side backplate and right side backplate along the direction of height is equivalent to the group number of fixed bolster, and each left side backplate and each right side backplate are respectively through the fixed bolt detachable of corresponding position department admittedly adorn on the left side and the right side of skeleton.
The utility model has the advantages that: this application is through setting up a box resistor cabinet including skeleton, fixed bolster and protection cooling system, and will the quantity of fixed bolster sets up to be equivalent with the quantity of the box resistor that needs to place, then will each group the fixed bolster along the solid dress of direction of height order be in the skeleton on, and will protection cooling system cladding in the outside of skeleton, when specifically using, with each box resistor corresponds respectively adorn admittedly on each group of fixed bolster. Therefore, each box-type resistor is fixedly arranged in the box-type resistor cabinet through each group of fixing supports, if one box-type resistor breaks down and needs to be maintained, only the corresponding box-type resistor needs to be disassembled, and the box-type resistors above the box-type resistor cabinet do not need to be completely disassembled when the lowest box-type resistor needs to be maintained like the prior art, but only the lowest box-type resistor needs to be disassembled, so that the maintenance, the disassembly and the installation are both convenient, and the disassembly and the installation time are certainly shorter. The maintenance, the disassembly and the installation can be completed by a single person.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of a box-type resistor cabinet for a crane according to the present invention;
FIG. 2 is a front view of the box-type resistor cabinet for a crane according to the present invention;
FIG. 3 is a side view of FIG. 2;
FIG. 4 is a rear skirt according to the present invention;
fig. 5 is a detailed view of the left and right side guard plates according to the present invention.
Labeled as: skeleton 1, fixed bolster 2, protection cooling system 3, support post 4, the fixed angle steel 5 of side direction, the fixed angle steel 6 of back, top cap 7, rear side backplate 8, left side backplate 9, right side backplate 10.
Detailed Description
As shown in fig. 1 to 5, the present invention provides a box-type resistor cabinet for a crane, which is convenient to maintain, disassemble and assemble for solving the above technical problems existing in the prior art. The box-type resistor cabinet comprises a framework 1, fixed supports 2 and a protection heat dissipation system 3, wherein the number of the fixed supports 2 is equal to that of box-type resistors to be placed, each group of the fixed supports 2 is fixedly arranged on the framework 1 in sequence along the height direction, the protection heat dissipation system 3 covers the outer side of the framework 1, and each group of the fixed supports 2 is fixedly arranged on each box-type resistor correspondingly. This application is through setting up a box resistor cabinet including skeleton, fixed bolster and protection cooling system, and will the quantity of fixed bolster sets up to be equivalent with the quantity of the box resistor that needs to place, then will each group the fixed bolster along the solid dress of direction of height order be in the skeleton on, and will protection cooling system cladding in the outside of skeleton, when specifically using, with each box resistor corresponds respectively adorn admittedly on each group of fixed bolster. Therefore, each box-type resistor is fixedly arranged in the box-type resistor cabinet through each group of fixing supports, if one box-type resistor breaks down and needs to be maintained, only the corresponding box-type resistor needs to be disassembled, and the box-type resistors above the box-type resistor cabinet do not need to be completely disassembled when the lowest box-type resistor needs to be maintained like the prior art, but only the lowest box-type resistor needs to be disassembled, so that the maintenance, the disassembly and the installation are both convenient, and the disassembly and the installation time are certainly shorter. The maintenance, the disassembly and the installation can be completed by a single person.
Among the above-mentioned embodiment, in order to simplify this application box resistor cabinet, reach the dismouting in both having made things convenient for the maintenance process, this application skeleton 1 include four support post 4, each group's fixed bolster 2 respectively through four respective angles with the support post 4 welded connection of corresponding position department, the cladding of 3 detachable of protection cooling system the outside of skeleton 1. In this case, each of the support columns is preferably made of a support angle. Correspondingly, each group of fixed supports 2 comprises two lateral fixed angle steels 5 and a backward fixed angle steel 6, and each fixed angle steel is respectively connected with the support upright 4 at the corresponding position through respective two ends in a welding manner. At the moment, in order to conveniently detach and pack the resistors, bolt holes are respectively formed in each lateral fixing angle steel 5, and each box-type resistor is detachably and fixedly arranged on the fixing support 2 at the corresponding position through the bolt holes at the corresponding position under the matching of the corresponding fixing bolts.
Further, for the convenience of heat dissipation, still be convenient for simultaneously dustproof, rain-proof water, protection cooling system 3 include top cap 7, rear side backplate 8, left side backplate 9, right side backplate 10 and cabinet door rear side backplate 8, left side backplate 9 and right side backplate 10 on equallyd divide and do not be provided with the venetian blind formula louvre, top cap 7 adorn admittedly the top of skeleton, rear side backplate 8, left side backplate 9 and right side backplate 10 detachable respectively adorn admittedly the rear side, left side and the right side of skeleton, the cabinet door can be opened through the hinge and is closed adorned admittedly the front side of skeleton. The rear side guard plate 8, the left side guard plate 9 and the right side guard plate 10 are detachably and fixedly arranged on the rear side, the left side and the right side of the framework respectively through fixing bolts. Each side guard plate is connected by bolts, so that the cabinet body can be conveniently assembled, and the box-type resistor can be conveniently assembled and disassembled. Meanwhile, in order to detach the box-type resistor at any position, only the side wall at the corresponding position is detached, the left side guard plate 9 and the right side guard plate 10 are arranged into a structure with the number of blocks along the height direction equivalent to the number of the groups of the fixed supports 2, and each left side guard plate 9 and each right side guard plate 10 are detachably and fixedly arranged on the left side and the right side of the framework through the fixing bolts at the corresponding positions respectively. Therefore, when the box type resistor at the corresponding position is disassembled and assembled, only the left side protection plate and the right side protection plate at the corresponding position need to be disassembled, the left side protection plate and the right side protection plate do not need to be integrally disassembled, and the purposes of reducing the workload and the labor intensity to the maximum extent are achieved.
In summary, the adoption of the box-type resistor cabinet for installing the box-type resistor also has the following advantages,
when the box type resistor is replaced, the front cabinet door is opened, the cable is protectively removed, then the four galvanized bolts and the left and right window doors, namely the left and right side guard plates and the galvanized bolts on the upright post of the box type resistor are sequentially removed, and then the box type resistor can be drawn out; when a new resistor is installed, the galvanized bolts, the left window and the right window, and the four galvanized bolts are installed in sequence, and the operation can be completed after the wiring is restored. Other box resistors do not need to be dismounted and moved, and when the box resistors can be replaced by a single person, the box resistors can be replaced by the single person, so that the operation can be completed by the single person, the operation steps are simple, and the operation time is greatly shortened.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The utility model discloses a box resistor cabinet is by the stand four skeleton that support post constitutes promptly, support be foretell fixed bolster, top cap, window door promptly foretell rear side guard plate promptly, control side guard plate and cabinet door and constitute, the stand comprises four angle steel, galvanized bolt, and the angle steel interval is adjusted according to the size of resistance box, highly satisfies five case resistor user needs.
The support consists of five layers of sub-supports with the same structure and size, the distance between the sub-supports is larger than the height of the box-type resistor, and the sub-supports are provided with the distance for being drawn out conveniently; each sub-bracket is composed of one edge sealing angle steel, namely the backward fixing angle steel, two edge sealing angle steels, namely the lateral fixing angle steel, and four galvanized bolts, wherein the edge sealing angle steel and the edge sealing angle steel are welded and fixed on the upright post in a welding mode and used for bearing the box-type resistor.
Bolt holes are formed in the edge sealing angle steel, the box-type resistor is fixed through galvanized bolts, and the hole distance is the same as the resistor hole distance.
The specification of the backward fixed angle steel is consistent with that of the angle steel used by the upright post, while the side length of the lateral fixed angle steel is necessarily larger than that of the upright post angle steel, so that the box-type resistor is convenient to draw out.
The four angle steels of the upright post are symmetrically provided with holes at equal intervals, the hole intervals are equal to the intervals of the sub-supports, the hole positions are positioned in the middle positions of the sub-supports, and meanwhile, nuts are welded inside the hole angle steels, and the left window door, the right window door and the rear window door are fixed through galvanized bolts.
The number of the galvanized bolts is 26, wherein four left and right windows of each sub-bracket are needed, and six rear windows are needed.
The top cap is by cold rolling sheet material stamping forming, adopts ridge formula structure, and the border must be greater than the border of stand, and the purpose is rain-proof.
The window door consists of ten left and right window doors, one rear window door and one front cabinet door, wherein the left and right window doors are punched into a shutter shape by cold-rolled sheets for heat dissipation of the resistor, the size of the shutter is matched with that of the upright post and the distance between the sub-supports, and holes are formed in the middle positions of two sides of the shutter for installation; the back window door adopts one side cold-rolled sheet material to become the shutter form according to stand size punching press, and the two pattern of opening the door of preceding cabinet door adoption conventional cold-rolled steel sheet adopt the hinge installation to fix at the stand.
If the resistor cabinet is used outdoors, the left window and the right window are stamped by a cold-rolled steel plate and are the same as the rear window.
The painting treatment of the upright post, the bracket, the top cover and the window and door is anticorrosive.
Example one
The present invention will be further described with reference to the accompanying drawings.
The size of the box resistor is typically 650mm wide by 450mm thick by 210mm high with a spacing of the fixing bolt holes of 630mm by 260 mm.
As shown in the figure, the stand adopts four 50 x 5 equilateral angle steel to constitute, and for satisfying five casees resistor safe placement and operation facility, the individual layer resistor height sets up to 250mm, and the angle steel overall height sets up to 1600mm, and angle steel horizontal spacing, vertical interval are 800mm, 500mm respectively.
The support comprises five layers of sub-supports, and the sub-support interval is 250mm, and the banding angle steel adopts the equal angle steel preparation of 50 x 5 to fixed angle steel promptly to the back, and the banding angle steel adopts the equal angle steel preparation of 100 x 5 to fixed angle steel promptly to the side direction, and the blanking is carried out according to the interval of stand to fixed angle steel and the fixed angle steel of side direction to the back to the welding is on the stand.
The space between the bolt holes on the lateral fixing angle steel is 630mm by 260mm, the specification of the galvanized bolt 2-3 is M10 by 20mm, and the number of the galvanized bolts is 20.
Holes are formed in the upright columns, the positions of the holes are positioned at the positions with the height of 125mm in the middle of the two layers of sub-supports, nuts are welded at the positions of the holes in the inner side of the angle steel, and the left window door, the right window door and the rear window door are fixed through galvanized bolts; the number of the galvanized bolts is 26, and the specification is M10 × 20 mm.
The edge size of top cap adopts 1000mm 850mm for rain-proof, and is 100mm beyond the stand all around, and the top is also for the safety surpasses the resistor 100 mm.
The sizes of the left window door, the right window door, the rear window door and the front cabinet door are manufactured according to the transverse spacing and the longitudinal spacing of the upright columns, the number of the left window door and the right window door is 10, the left window door and the right window door are stamped by adopting a cold-rolled steel plate with the thickness of 1mm, each window door is 250mm high by 500mm wide, the rear window door is stamped by adopting a cold-rolled steel plate with the thickness of 1.2mm, the size is 1500mm high by 800mm wide, and the size of the front cabinet door is 1600mm high by 800mm wide.
When the utility model is used, when the box type resistor is replaced, the front cabinet door is opened, the cable is protectively removed, then the box type resistor can be drawn out after four galvanized bolts, a left window door, a right window door and the galvanized bolts on the upright post of the box type resistor are removed in sequence; when a new resistor is installed, the galvanized bolts, the left window and the right window, and the four galvanized bolts are installed in sequence, and the operation can be completed after the wiring is restored. The single person can complete the operation without dismantling and moving other box resistors.
Claims (7)
1. A box resistor cabinet for a crane, characterized in that: the box resistor cabinet comprises a framework (1), fixed supports (2) and a protection heat dissipation system (3), wherein the number of the fixed supports (2) is equal to that of box resistors needing to be placed, the fixed supports (2) of each group are fixedly arranged on the framework (1) in sequence along the height direction, the protection heat dissipation system (3) is coated on the outer side of the framework (1), and the box resistors outside are fixedly arranged on the fixed supports (2) of each group correspondingly.
2. The box-type resistor cabinet for cranes according to claim 1, characterized in that: the framework (1) comprises four supporting columns (4), each group of fixing supports (2) are respectively connected with the supporting columns (4) at the corresponding positions through respective four corners in a welding mode, and the protective heat dissipation system (3) is detachably coated on the outer side of the framework (1).
3. The box-type resistor cabinet for cranes according to claim 2, characterized in that: each group of fixed supports (2) comprises two lateral fixed angle steels (5) and a backward fixed angle steel (6), and each fixed angle steel is respectively connected with the support upright (4) at the corresponding position through respective two ends in a welding manner.
4. The box-type resistor cabinet for cranes according to claim 3, characterized in that: bolt holes are respectively arranged on each lateral fixing angle steel (5), and each external box-type resistor is detachably and fixedly arranged on the fixing support (2) at the corresponding position through the bolt holes at the corresponding position under the matching of the corresponding fixing bolts.
5. The box-type resistor cabinet for cranes according to any of claims 1 to 4, characterized in that: protection cooling system (3) include top cap (7), rear side backplate (8), left side backplate (9), right side backplate (10) and cabinet door rear side backplate (8), left side backplate (9) and right side backplate (10) on equallyd divide and do not be provided with the venetian blind formula louvre, top cap (7) adorn admittedly the top of skeleton, rear side backplate (8), left side backplate (9) and right side backplate (10) detachable respectively adorn admittedly the rear side, left side and the right side of skeleton, the firm dress that the cabinet door can open and close through the hinge is in the front side of skeleton.
6. The box-type resistor cabinet for cranes according to claim 5, characterized in that: the rear side guard plate (8), the left side guard plate (9) and the right side guard plate (10) are detachably and fixedly arranged on the rear side, the left side and the right side of the framework respectively through fixing bolts.
7. The box-type resistor cabinet for cranes according to claim 6, characterized in that: the number of the left side guard plate (9) and the right side guard plate (10) along the height direction is equal to the number of the groups of the fixed brackets (2), and each left side guard plate (9) and each right side guard plate (10) are detachably and fixedly arranged on the left side and the right side of the framework through fixing bolts at corresponding positions respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922302093.4U CN211237849U (en) | 2019-12-19 | 2019-12-19 | Box type resistor cabinet for crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922302093.4U CN211237849U (en) | 2019-12-19 | 2019-12-19 | Box type resistor cabinet for crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211237849U true CN211237849U (en) | 2020-08-11 |
Family
ID=71929798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922302093.4U Expired - Fee Related CN211237849U (en) | 2019-12-19 | 2019-12-19 | Box type resistor cabinet for crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211237849U (en) |
-
2019
- 2019-12-19 CN CN201922302093.4U patent/CN211237849U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200811 Termination date: 20211219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |