CN210745045U - Tower crane frequency conversion device - Google Patents
Tower crane frequency conversion device Download PDFInfo
- Publication number
- CN210745045U CN210745045U CN201921996923.1U CN201921996923U CN210745045U CN 210745045 U CN210745045 U CN 210745045U CN 201921996923 U CN201921996923 U CN 201921996923U CN 210745045 U CN210745045 U CN 210745045U
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- CN
- China
- Prior art keywords
- tower crane
- side wall
- fixing groove
- hole
- crane frequency
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 24
- 239000000428 dust Substances 0.000 claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 25
- 238000002955 isolation Methods 0.000 claims description 12
- 230000017525 heat dissipation Effects 0.000 claims description 10
- 239000002274 desiccant Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000005855 radiation Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a tower crane frequency conversion device, which comprises a tower crane frequency converter, a fixed groove and a cover plate, wherein the tower crane frequency converter is arranged in the fixed groove, a wiring hole is arranged on the side wall of the fixed groove, the cover plate is buckled on the fixed groove, one end of the cover plate is connected with the side wall of the fixed groove by a pin shaft, a sealed protective structure is arranged in the fixed groove, and an auxiliary connecting structure is arranged on the side wall around the fixed groove, the utility model relates to the technical field of tower crane equipment, the sealed protective structure is arranged outside the tower crane frequency converter by improving the prior tower crane frequency converter, the corrosion of the tower crane frequency converter caused by humid gas and dust invading into an electrical cabinet is avoided while the temperature of the tower crane frequency converter is ensured, the service life of the tower crane frequency converter is prolonged, and the auxiliary connecting structure is arranged on the sealed protective, is convenient for quick installation, disassembly and maintenance.
Description
Technical Field
The utility model relates to a tower machine equipment technical field specifically is a tower crane frequency conversion equipment.
Background
The frequency converter is an electric control device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the frequency mode of a working power supply of the motor, and mainly comprises a rectification unit (alternating current to direct current), a filtering unit, an inversion unit (direct current to alternating current), a braking unit, a driving unit, a detection unit microprocessing unit and the like; the frequency converter adjusts the voltage and frequency of an output power supply by switching on and off an internal IGBT, provides the required power supply voltage according to the actual requirement of a motor, and further achieves the purposes of energy saving and speed regulation, and has a plurality of protection functions, such as overcurrent, overvoltage, overload protection and the like, along with the continuous improvement of the industrial automation degree, the frequency converter is widely applied, belongs to an electronic device, and has the requirements of detailed installation and use environments in a specification book, and under special conditions, if the requirements can not be met, corresponding inhibition measures must be adopted to the greatest extent, namely vibration is the main cause of mechanical damage to the electronic device, and in the occasions with larger vibration impact, vibration avoidance measures such as rubber and the like are adopted; the electronic devices are rusted, have poor contact and are insulated and reduced to form short circuits due to the fact that moist, corrosive gas, dust and the like, the control panel is subjected to anticorrosion and dustproof treatment as a precautionary measure, and a closed structure is adopted; temperature is an important factor influencing the service life and reliability of electronic devices, particularly semiconductor devices, air conditioners are installed or direct sunlight irradiation is avoided according to the environmental conditions required by the device, however, in the prior art, tower crane frequency conversion equipment is mostly directly installed in a tower crane balance arm power distribution cabinet, direct sunlight irradiation can be avoided, but the sealing performance in the power distribution cabinet is relatively poor, and electronic devices are prone to rusting and cannot be comprehensively protected by a frequency converter due to the fact that moisture, corrosive gas, dust and the like easily cause rusting.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a tower crane frequency conversion equipment has solved prior art, and tower crane frequency conversion equipment is mostly direct mount in tower crane balance arm switch board the inside, though can avoid the sunlight to penetrate directly, but the leakproofness in the switch board is relatively poor, and humidity, corrosive gas and dust etc. very easily cause electronic device to rust, can not carry out the problem of comprehensive protection to the converter.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a tower crane frequency conversion device comprises a tower crane frequency converter, a fixing groove and a cover plate, wherein the tower crane frequency converter is arranged in the fixing groove, a wiring hole is formed in the side wall of the fixing groove, the cover plate is buckled on the fixing groove, one end of the cover plate is connected with the side wall of the fixing groove through a pin shaft, a sealed protection structure is arranged in the fixing groove, and auxiliary connection structures are arranged on the side walls around the fixing groove;
the sealed protective structure includes: the locking sealing device comprises a heat-dissipation air guide part, a dustproof air inlet part and a locking sealing part;
a first through hole is formed in one side wall of the fixing groove, the heat dissipation and air guide part is embedded in the first through hole, a second through hole is formed in the other side wall surface of the fixing groove, the dustproof air inlet part is embedded in the second through hole, and the locking sealing part is arranged on the outer side wall surface of the fixing groove and is movably connected with the cover plate;
the auxiliary connection structure includes: an adjustable connecting part and a limit fixing part;
the adjustable connecting part is fixedly arranged on the side wall of the fixing groove, and the limiting fixing part is arranged on the adjustable connecting part.
Preferably, the heat dissipation air guide includes: the fixing sleeve, the dust cover and the cooling fan;
the fixed sleeve is embedded in the first through hole and fixedly connected with the side wall of the fixed groove, the dust cover is arranged on the side wall of the fixed groove and buckled on the fixed sleeve, and the cooling fan is embedded in the fixed sleeve and has the air exhaust direction opposite to the outside of the fixed groove.
Preferably, the dustproof air intake portion includes: the air inlet pipe, the isolation mesh enclosure and the drying agent are arranged in the air inlet pipe;
the air inlet pipe is embedded in the second through hole and fixedly connected with the second through hole, the isolation mesh enclosure is embedded in the air inlet pipe, and the drying agent is filled in the isolation mesh enclosure.
Preferably, the locking seal portion includes: the sealing device comprises a sealing gasket, a sealing rubber strip, a rotating sheet and a fixing pin;
the sealing gasket is embedded in the wiring hole and tightly attached to the conductive cable, the sealing rubber strip is fixedly attached to the periphery of the lower side wall surface of the cover plate, one end of the rotating sheet is connected with the side wall of the cover plate through a pin shaft, a notch is formed in the rotating sheet, and the fixing pin is arranged on the side wall of the fixing groove and matched with the notch in the rotating sheet.
Preferably, the adjustable connecting portion includes: the connecting plates are of the same structure, and the mounting long circular holes are of the same structure;
the pair of connecting plates are fixedly arranged on the rear side wall surface of the fixing groove and extend out of the fixing groove, and the plurality of mounting long circular holes are formed in the pair of connecting plates.
Preferably, the limit fixing part includes: a pair of limiting pieces with the same structure and a fastening bolt;
the pair of limiting pieces are respectively arranged on two sides of the long mounting circular hole and attached to the side wall of the connecting plate, and the fastening bolt penetrates through the pair of limiting pieces and is matched with a reserved mounting hole in the electrical cabinet.
Advantageous effects
The utility model provides a tower crane frequency conversion equipment. The method has the following beneficial effects: this tower crane frequency conversion device, through improving current tower machine converter, set up sealed protective structure in the tower machine converter outside, when guaranteeing to cool down the tower machine converter, the humid gas and the dust of having avoided invading in the regulator cubicle corrode the tower machine converter, improve the life of tower machine converter, set up auxiliary connection structure simultaneously on sealed protective structure, be convenient for install fast, dismantle and overhaul, among the prior art has been solved, tower machine frequency conversion equipment is mostly direct mount in tower machine balance arm switch board the inside, though can avoid the direct sunlight to penetrate, but the leakproofness in the switch board is relatively poor, it is moist, corrosive gas and dust etc. very easily cause the electron device to rust, can not carry out the problem of comprehensive protection to the converter.
Drawings
FIG. 1 is the utility model relates to a tower crane frequency conversion equipment's main section structure schematic view of looking.
Fig. 2 is a tower crane frequency conversion equipment look sideways at the schematic structure.
Fig. 3 is the utility model relates to a tower crane frequency conversion equipment's a position part enlarges the schematic diagram.
Fig. 4 is the utility model relates to a tower crane frequency conversion equipment's b position local enlarged structure schematic diagram.
Fig. 5 is the utility model relates to a tower crane frequency conversion equipment's c position local enlarged structure schematic diagram.
In the figure: 1-a tower crane frequency converter; 2, fixing a groove; 3-cover plate; 4-fixing the sleeve; 5-a dust cover; 6-a heat dissipation fan; 7-an air inlet pipe; 8-an isolation net cover; 9-a drying agent; 10-a sealing gasket; 11-sealing rubber strips; 12-a rotor blade; 13-a fixed pin; 14-a connecting plate; 15-installing the long round hole; 16-a limiting piece; 17-fastening bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.
Referring to fig. 1-5, the utility model provides a tower crane frequency conversion device:
example (b): as can be known from the attached drawings 1-5 of the specification, the scheme comprises a tower crane frequency converter 1, a fixing groove 2 and a cover plate 3, wherein the position relation and the connection relation are as follows, the tower crane frequency converter 1 is arranged in the fixing groove 2, the side wall of the fixing groove 2 is provided with a wiring hole, the cover plate 3 is buckled on the fixing groove 2, one end of the cover plate is connected with the side wall of the fixing groove 2 by a pin shaft, a sealed protection structure is arranged in the fixing groove 2, and auxiliary connection structures are arranged on the side walls around the fixing groove 2; the sealed protection structure comprises: heat dissipation air guide portion, dustproof air inlet and locking seal portion, its position relation and relation of connection are as follows, have seted up first through-hole on 2 lateral walls of fixed slot, and heat dissipation air guide portion inlays to be adorned in first through-hole, has seted up the second through-hole on another lateral wall face of fixed slot 2, and dustproof air inlet inlays to be adorned in the second through-hole, and locking seal portion installs on 2 outside walls of fixed slot, and with apron 3 swing joint, above-mentioned supplementary connection structure includes: the adjustable connecting part is fixedly arranged on the side wall of the fixed groove 2, and the limit fixing part is arranged on the adjustable connecting part, when the adjustable connecting part is used, the existing tower crane frequency converter 1 is improved, the tower crane frequency converter 1 is fixedly arranged in the fixed groove 2, and the outer side of the tower crane frequency converter 1 is provided with a sealed protection structure, so that the tower crane frequency converter 1 is cooled, meanwhile, the corrosion of moist gas and dust invading into an electrical cabinet to the tower crane frequency converter 1 is avoided, the service life of the tower crane frequency converter 1 is prolonged, and meanwhile, the sealed protection structure is provided with an auxiliary connecting structure, so that the tower crane frequency converter 1 and the fixed groove 2 can be rapidly installed, disassembled and maintained;
as can be seen from fig. 1 to 5 of the specification, in the specific implementation process, the heat dissipation air guide part includes: fixed sleeving 4, dust cover 5 and radiator fan 6, its position relation and relation of connection are as follows, fixed sleeving 4 inlays to be adorned in first through-hole, and with 2 lateral walls fixed connection of fixed slot, dust cover 5 installs on 2 lateral walls of fixed slot, and the spiral-lock is on fixed sleeving 4, radiator fan 6 inlays to be adorned in fixed sleeving 4, and the direction of airing exhaust just to the fixed slot 2 outside, above-mentioned dustproof air inlet unit includes: intake pipe 7, isolation screen 8 and drier 9, its position relation and relation of connection are as follows, and intake pipe 7 inlays to be adorned in the second through-hole, and with second through-hole fixed connection, and isolation screen 8 inlays to be adorned in intake pipe 7, and drier 9 is filled in isolation screen 8, and wherein the locking sealing portion includes: a sealing washer 10, a sealing rubber strip 11, a rotating sheet 12 and a fixed pin 13, the position relation and the connection relation are as follows, the sealing washer 10 is embedded in the wiring hole and is tightly jointed with the conductive cable, the sealing rubber strip 11 is fixedly attached on the periphery of the lower side wall surface of the cover plate 3, one end of the rotating sheet 12 is connected with the side wall of the cover plate 3 by a pin shaft, a gap is arranged on the rotating sheet 12, the fixed pin 13 is arranged on the side wall of the fixed groove 2 and is matched with the gap on the rotating sheet 12, when in use, the gap between the cable entering the fixed groove 2 and the fixed groove 2 is sealed by the sealing washer 10, after the cable is connected, the cover plate 3 is tightly covered on the fixed groove 2, the sealing rubber strip 11 is enabled to seal the gap between the cover plate 3 and the fixed groove 2, the rotating sheet 12 is pulled to enable the gap on the rotating sheet 12 to be clamped on the fixed pin 13, starting a cooling fan 6 in a fixed sleeve 4, guiding out air in a fixed groove 2, cooling a tower crane frequency converter 1, simultaneously protecting a cooling fan by using a dust cover 5, firstly entering an isolation mesh enclosure 8 before external air enters the fixed groove 2 through an air inlet pipe 7, and drying through a drying agent 9 in the isolation mesh enclosure 8, wherein the drying agent 9 can adopt anhydrous calcium chloride, so that the air drying degree in the fixed groove 2 is improved;
as can be seen from fig. 1 to 5 in the description, in the implementation process, as a preferred arrangement, the adjustable connecting portion includes: a pair of connecting plate 14 that the structure is the same and a plurality of installation slotted hole 15 that the structure is the same, its positional relationship and relation of connection are as follows, a pair of connecting plate 14 is fixed install on 2 rear side wall faces of fixed slot, and all stretch out 2 outsides of fixed slot, and a plurality of installation slotted holes 15 are seted up on a pair of connecting plate 14, and above-mentioned spacing fixed part includes: the pair of limiting pieces 16 and the fastening bolts 17 are identical in structure, the position relation and the connection relation are as follows, the pair of limiting pieces 16 are respectively arranged on two sides of the long installation circular hole 15 and attached to the side wall of the connecting plate 14, the fastening bolts 17 penetrate through the pair of limiting pieces 16 and are matched with reserved installation hole positions in the electrical cabinet, when the electrical cabinet fixing device is used, the long installation circular hole 15 in the connecting plate 14 is aligned to the reserved hole position on the electrical cabinet to be installed, the fastening bolts 17 and the limiting pieces 16 are dragged to move to the corresponding hole position, the connecting plate 14 is fixed to the corresponding position through the fastening bolts 17, and the electrical cabinet fixing device can adapt to reserved hole positions in electrical cabinets of different sizes.
It is noted that, herein, 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. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A tower crane frequency conversion device comprises a tower crane frequency converter (1), a fixing groove (2) and a cover plate (3), and is characterized in that the tower crane frequency converter (1) is installed in the fixing groove (2), a wiring hole is formed in the side wall of the fixing groove (2), the cover plate (3) is buckled on the fixing groove (2), one end of the cover plate is connected with the side wall of the fixing groove (2) through a pin shaft, a sealed protection structure is arranged in the fixing groove (2), and auxiliary connection structures are arranged on the peripheral side walls of the fixing groove (2);
the sealed protective structure includes: the locking sealing device comprises a heat-dissipation air guide part, a dustproof air inlet part and a locking sealing part;
a first through hole is formed in one side wall of the fixing groove (2), the heat dissipation air guide part is embedded in the first through hole, a second through hole is formed in the other side wall surface of the fixing groove (2), the dustproof air inlet part is embedded in the second through hole, and the locking sealing part is arranged on the outer side wall surface of the fixing groove (2) and is movably connected with the cover plate (3);
the auxiliary connection structure includes: an adjustable connecting part and a limit fixing part;
the adjustable connecting part is fixedly arranged on the side wall of the fixing groove (2), and the limiting fixing part is arranged on the adjustable connecting part.
2. The tower crane frequency conversion device of claim 1, wherein the heat dissipation air guide comprises: a fixed sleeve (4), a dust cover (5) and a heat radiation fan (6);
the fixed sleeve (4) is embedded in the first through hole and fixedly connected with the side wall of the fixed groove (2), the dust cover (5) is arranged on the side wall of the fixed groove (2) and buckled on the fixed sleeve (4), and the cooling fan (6) is embedded in the fixed sleeve (4) and the air exhaust direction is right opposite to the outside of the fixed groove (2).
3. The tower crane frequency conversion device of claim 1, wherein the dustproof air inlet portion comprises: the air inlet pipe (7), the isolation mesh enclosure (8) and the drying agent (9);
the air inlet pipe (7) is embedded in the second through hole and fixedly connected with the second through hole, the isolation mesh enclosure (8) is embedded in the air inlet pipe (7), and the drying agent (9) is filled in the isolation mesh enclosure (8).
4. The tower crane frequency conversion device according to claim 1, wherein the locking sealing part comprises: the sealing device comprises a sealing gasket (10), a sealing rubber strip (11), a rotating sheet (12) and a fixing pin (13);
seal ring (10) inlay dress in the wiring hole, and with the closely laminating of conductive cable, joint strip (11) are fixed to be adorned in on apron (3) downside wall is all around, rotor plate (12) one end with apron (3) lateral wall adopts the round pin hub connection, just seted up the breach on rotor plate (12), fixed pin (13) install in on fixed slot (2) lateral wall, and with breach phase-match on rotor plate (12).
5. The tower crane frequency conversion device according to claim 1, wherein the adjustable connecting portion comprises: a pair of connecting plates (14) with the same structure and a plurality of mounting oblong holes (15) with the same structure;
the pair of connecting plates (14) are fixedly arranged on the rear side wall surface of the fixing groove (2) and extend out of the fixing groove (2), and the plurality of mounting long round holes (15) are formed in the pair of connecting plates (14).
6. The tower crane frequency conversion device of claim 5, wherein the limiting fixing part comprises: a pair of limiting sheets (16) with the same structure and a fastening bolt (17);
the pair of limiting pieces (16) are respectively arranged on two sides of the mounting long circular hole (15) and attached to the side wall of the connecting plate (14), and the fastening bolt (17) penetrates through the pair of limiting pieces (16) and is matched with a reserved mounting hole in the electric cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921996923.1U CN210745045U (en) | 2019-11-19 | 2019-11-19 | Tower crane frequency conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921996923.1U CN210745045U (en) | 2019-11-19 | 2019-11-19 | Tower crane frequency conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210745045U true CN210745045U (en) | 2020-06-12 |
Family
ID=71009471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921996923.1U Expired - Fee Related CN210745045U (en) | 2019-11-19 | 2019-11-19 | Tower crane frequency conversion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210745045U (en) |
-
2019
- 2019-11-19 CN CN201921996923.1U patent/CN210745045U/en not_active Expired - Fee Related
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| 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: 20200612 |