CN101532511B - Lifting structure of fan - Google Patents
Lifting structure of fan Download PDFInfo
- Publication number
- CN101532511B CN101532511B CN 200910097481 CN200910097481A CN101532511B CN 101532511 B CN101532511 B CN 101532511B CN 200910097481 CN200910097481 CN 200910097481 CN 200910097481 A CN200910097481 A CN 200910097481A CN 101532511 B CN101532511 B CN 101532511B
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- hoist cable
- transmission device
- fan
- gear
- lifting structure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/601—Mounting; Assembling; Disassembling specially adapted for elastic fluid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a lifting structure of a fan, comprising a mounting support, a drive device, a suspension cable and pulleys. The drive device and the pulleys are fixed on the mounting support, one end of the suspension cable has a suspension hook connected with a suspension ring of the fan, the other end of the suspension cable is connected with the drive device, the suspension cable penetrates through the pulleys, the pulleys are arranged between the drive device and the suspension hook, the suspension cable section between the pulleys and the drive device and the vertical direction have the angle being not less than 30 DEG, the drive device is the worm wheel and worm which are matched or the active gear and the driven gear which are matched, the inventive the lifting structure of the fan is assembled with a drive motor, the drive motor is in the transmission connection with the drive device, the transmission connection way of the drive device and the driven motor is the belt connection or the chain connection or the direct connection, after the lifting structure of the fan, the manpower, the material resources and the time for initially mounting the fan are greatly reduced, at the same time the maintenance cost can be greatly reduced in the normal time.
Description
Technical field
The present invention relates to a kind of hoisting structure of blower fan, relate to the multifunctional crane assembling structure of a kind of tunnel specifically with blower fan.
Background technique
The ventilation system of large-scale highway, railway tunnel and subway tunnel, usually adopt the tunnel jet blower, in the tunnel, every certain distance, some jet blowers are installed on the roof in tunnel, by Axial Thrust of Jet Fans air is promoted and relay, to reach the purpose of tunnel ventilation.General tunnel all is before the tunnel commencement of commercial operation with the installation of jet blower, elder generation's pre-buried coupling on the tunnel roof, by hoist or other crane gear the jet blower mounting point of slinging, pre-buried coupling on the installation position of blower fan and the tunnel roof carries out bolt or welding is fixing, and jet blower is fixed on the tunnel roof.
Adopt said method that following shortcoming is arranged: because the weight of jet blower is usually more than hundreds of kilograms, special-purpose crane gear must be arranged during installation, in addition, in tunnel commencement of commercial operation process, when if jet blower has fault need disassemble maintenance, this special-purpose crane gear also must be arranged, this organizes also with regard to the regular maintenance that requires the tunnel must be equipped with this Special Hoisting Equipment, the price of this crane gear is often than higher, sometimes, it is hundreds thousand of that the price of the crane gear of a special use can reach, even up to a million yuans, make the maintenance cost in tunnel increase greatly,, can increase the time of tunnel maintenance again if allow the installation unit of jet blower dismantle and to lift.
At need blower fan is lifted on other occasion on the roof, has the problems referred to above too.
Summary of the invention
For overcoming above-mentioned shortcoming, the present invention aims to provide a kind of simple in structure, and is easy for installation, lifting structure of fan with low cost.
For addressing the above problem, the present invention is by the following technical solutions: a kind of lifting structure of fan, comprise scaffold, transmission device, hoist cable and pulley, described transmission device and pulley are fixed on the scaffold, one end of described hoist cable has the suspension hook that can link to each other with the blower fan suspension ring, the other end of described hoist cable links to each other with transmission device, described hoist cable passes pulley, described pulley places between transmission device and the suspension hook, and hoist cable section between described pulley and the transmission device and vertical direction are and are not less than a=30 degree angle.
Described transmission device is the worm gear and the worm screw of matching, and an end face of described worm gear is provided with and twines load barrel, and the mode that an end of described hoist cable links to each other with transmission device is that hoist cable is intertwined and connected and is twining on the load barrel.
In described transmission device is driving gear and the driven gear that matches, an end face of described driving gear is provided with the gear handle, an end face of described driven gear is provided with and twines load barrel, and the mode that an end of described hoist cable links to each other with transmission device is that hoist cable is intertwined and connected and is twining on the load barrel.
Described pulley is a sheave block.
Described hoist cable is wire rope sling or fiber hoist cable.
Described worm screw is provided with handle away from an end of worm gear.
Described gear handle is provided with handle away from an end of driving gear.
Lifting structure of fan of the present invention, it is also organized into drive motor, and described drive motor and transmission device are in transmission connection.
Described transmission device is that belt is connected or chain connects or direct connection with the mode of being in transmission connection of drive motor.
Adopt lifting structure of fan of the present invention, changed subway for a long time, public railway tunnel with blower fan install adopted with the crane gear lifting fan of special use conventional method to the mounting point, compare with conventional method, not only when initially blower fan being installed, saved greatly and installed required human and material resources and the time of blower fan, but also the Special Hoisting Equipment that the regular maintenance that can make subway, public railway tunnel need be used needn't be provided in dismounting blower fan when blower fan carried out maintaining the time also needn't be sealed the tunnel during blower fan maintenance.
Description of drawings
Fig. 1 is a general structure schematic representation of the present invention;
Fig. 2 is worm gear that matches of the present invention and worm screw schematic representation;
Fig. 3 is another view of worm gear that matches of the present invention and worm screw schematic representation;
Fig. 4 is driving gear that matches of the present invention and driven gear schematic representation;
Fig. 5 is another view of driving gear that matches of the present invention and driven gear;
Fig. 6 is the schematic representation of the worm gear that matches of the present invention and worm screw and motor direct connection;
Fig. 7 is the schematic representation of the driving gear that matches of the present invention and driven gear and motor direct connection;
Fig. 8 schematic representation that to be the worm gear that matches of the present invention be connected with motor belt with worm screw;
Fig. 9 schematic representation that to be the driving gear that matches of the present invention be connected with motor belt with driven gear;
Among the figure: 1-handle, 2-transmission device, 3-hoist cable, 4-pulley, 5-blower fan suspension ring, 6-scaffold, the 7-blower fan, 8-suspension hook, 9-bolt group, 10-blower fan scaffold, 11-drive motor, 12-worm gear, the 13-worm screw, 14-gear handle, the 15-driving gear, the 16-driven gear, the 17-coupling, 18-twines load barrel.
Embodiment
As Fig. 1-shown in Figure 9, a kind of lifting structure of fan of the present invention, comprise scaffold 6, described scaffold 6 is pre-buried to be arranged on the position that the tunnel roof need be installed blower fan, blower fan lifts by crane the mounting point makes scaffold 6 be connected with blower fan scaffold 10 and fastening, it also comprises transmission device 2, hoist cable 3 and pulley 4, described transmission device 2 and pulley 4 are fixed on the scaffold 6, one end of described hoist cable 3 has the suspension hook 8 that can link to each other with blower fan suspension ring 5, the other end of described hoist cable 3 links to each other with transmission device 2, described hoist cable 3 passes pulley 4, described pulley 4 places between transmission device 2 and the suspension hook 8, and hoist cable section between described pulley 4 and the transmission device 2 and vertical direction are and are not less than a=30 degree angle.
Described transmission device 2 is the worm gear 12 and the worm screws 13 of matching, and an end face of described worm gear 12 is provided with and twines load barrel 18, and the mode that an end of described hoist cable 3 links to each other with transmission device 2 is that hoist cable 3 is intertwined and connected and is twining on the load barrel 18.
Described transmission device 2 is driving gear 15 and the driven gears 16 that match, an end face of described driving gear 15 is provided with gear handle 14, an end face of described driven gear 16 is provided with and twines load barrel 18, and the mode that an end of described hoist cable 3 links to each other with transmission device 2 is that hoist cable 3 is intertwined and connected and is twining on the load barrel 18.
Described pulley 4 is sheave block.
Described hoist cable 3 is wire rope sling or fiber hoist cable.
Described worm screw 13 is provided with handle 1 away from an end of worm gear 12.
Described gear handle 14 is provided with handle 1 away from an end of driving gear 15
Lifting structure of fan of the present invention, it is also organized into drive motor 11, and described drive motor 11 is in transmission connection with transmission device 2.
Described transmission device 2 is that belt is connected or chain connects or direct connection with the mode of being in transmission connection of drive motor 11.
Be the description of the concrete working procedure of a kind of lifting structure of fan of the present invention below:
Step 1: when carrying out the tunnel civil engineering, the position that blower fan need be installed at the tunnel roof is provided with scaffold 6, and scaffold 6 can adopt pre-buried mode to install; Before blower fan is installed, earlier transmission device 2, pulley 4 are fixed on the scaffold 6 by modes such as welding or Bolt Connection, transmission device 2 is certain angle a with the line of centres and the vertical direction of pulley 4, concrete angle is according to the difference of as installed position, can in the scope that is not less than the a=30 degree, select, one end of hoist cable 3 links to each other with transmission device 2, and the other end is provided with suspension hook 8, and suspension hook 8 passes pulley 4 and freely hangs;
Step 2: blower fan 7 need be installed on the scaffold 6 on the roof in tunnel, earlier blower fan 7 move to scaffold 6 under, by transmission device 2, hoist cable 3 is hung down from scaffold 6 by pulley 4, when hoist cable 3 falls to blower fan 7 places, the suspension hook on the hoist cable 38 is connected with blower fan suspension ring 5;
Step 3: confirm suspension hook 3 and blower fan suspension ring 5 connect reliably after, oppositely start transmission device 2, hoist cable moves up under the effect of transmission device 2 by pulley 4, spurring blower fan 7 simultaneously moves up, until blower fan 7 is lifted by crane the mounting point, connect blower fan scaffold 10 also fastening by bolt group 9 with scaffold 6.The installation of blower fan 7 has just been finished.
Scaffold 6 is fixed on the roof in tunnel, means of fixation can adopt built-in type directly scaffold 6 to be fixed on the tunnel roof, or can be connected with embedded iron welding or the bolt on being embedded in the tunnel roof, it is trapezoidal that the profile of scaffold 6 can be, bigger with roof joint, tunnel than bottom and blower fan 7 joints, can certainly adopt other profile, as rectangular, circular arc etc.; Transmission device 2 can adopt the worm gear 12 and the worm screw 13 of matching, an end face of worm gear 12 is provided with and twines load barrel 18, one end of hoist cable 3 is intertwined and connected twining on the load barrel 18, and along with the rotation of worm gear 12, hoist cable 3 can be wound on the load barrel 18, because the velocity ratio of worm and gear device is bigger, so the active force amplification multiple on the worm screw is also bigger, the velocity ratio that adopts is 7-80 usually, when velocity ratio is chosen as 7, magnification factor is 7 times, and when velocity ratio was chosen as 80, magnification factor was 80 times, velocity ratio hour, the power multiple that amplifies is less, and when velocity ratio was selected greatly, the power multiple of amplification was also bigger, but the volume of worm gear snail pin device is just bigger, manufacture cost is also high, so usually according to the lifting situation optimized choice at scene, be 20 as selecting velocity ratio, at this moment, the active force on the worm screw be on the worm gear active force 1/20; Transmission device 2 also can adopt driving gear 15 and the driven gear 16 that matches, an end face of driven gear 16 is provided with and twines load barrel 18, one end of hoist cable 3 is intertwined and connected and is twining on the load barrel 18, the number of teeth of driven gear 16 must be greater than driving gear 15, the number of teeth that can adopt driven gear 16 usually is 2-10 times of driving gear 15, as when selecting 2 times, the active force of driven gear 16 amplifies 2 times, and when selecting 10 times, the active force of driven gear amplifies 10 times, multiple is more little, the active force magnification factor of driven gear 16 is more little, but structure is just compact comparatively speaking, otherwise, multiple is more little, the active force magnification factor of driven gear 16 is more little, but structure is just compact comparatively speaking, otherwise, multiple is big more, the active force magnification factor of driven gear 16 is big more, but structure is just bigger comparatively speaking, usually can be according to the lifting situation optimized choice at scene, as when selecting 5 times, the active force of driven gear 16 just amplifies 5 times.Because worm gear that matches 12 and worm screw 13 can obtain bigger active force magnification factor in onesize structure, but cost is than driving gear 15 that matches and driven gear 16 height, so, if the blower fan weight that is lifted is less, as below 150 kilograms, can adopt the driving gear 15 and driven gear 16 structures that match, the blower fan weight that is lifted is bigger, as more than 150 kilograms, should adopt the worm gear 12 and worm screw 13 structures that match.
Pulley 4 is if under the situation of a pulley, pulley 4 is fixed on the scaffold 6, hoist cable 3 passes pulley 4, if pulley 4 adopts sheave block, static pulley is fixed on the scaffold 6, hoist cable 3 passes sheave block, because sheave block can further amplify the active force on the worm screw, so can adopt sheave block usually, the pulley quantity of sheave block can be selected 2-9 according to the situation at scene, principle with the worm and gear device is similar, when pulley quantity was selected 2, active force was 1/2 of a blower fan weight, when pulley quantity is selected 9, active force is 1/9 of a blower fan weight, but pulley quantity is selected more for a long time, and pulley block structure is complicated, usually also according to the installation situation optimized choice at scene, as to select pulley quantity be 4, and active force is 1/4 of a blower fan weight; The material of hoist cable 3 can be selected wire rope sling, under the lighter situation of the blower fan weight of need installation, also can adopt the steel wire fiber crops to mix hoist cable or fiber hoist cable, an end of hoist cable 3 has the suspension hook 8 that can link to each other with blower fan suspension ring 5, suspension hook 8 has locking structure, and locking structure can adopt spring or bolt; The size of suspension hook 8 must can pass completely through blower fan suspension ring 5 with suspension hook 8, and can steady lock be advisable after passing blower fan suspension ring 5; Hoist cable section between pulley 4 and the transmission device 2 and vertical direction are and are not less than a=30 degree angle.This angle can be optimized selection according to present installation environment, as the installing space of the roof in on-the-spot tunnel when big, can select smaller angle, as select 30 to spend, less to the active force of the substantially horizontal of pulley 4 like this, but installing space hour can be selected bigger angle, as select 90 degree at the scene, like this, substantially horizontal active force on the pulley 4 can be bigger, and pulley 4 must be able to bear this bigger power with the fixing of scaffold 6, generally adopts the angle about 70 degree, as 70 degree, like this, can adapt to common installing space, can not make pulley 4 that bigger horizontal direction force is arranged again.
Below in conjunction with accompanying drawing concrete structure of the present invention is done more into to describe:
As shown in Figures 2 and 3, be that the present invention adopts worm gear 12 and worm screw 13 schemes that match, be provided with handle 1 worm screw 13 away from an end of worm gear 12, in practical work process, can make the positive and negative rotation of worm screw drive the positive and negative rotation of worm gear 12 by clockwise and anticlockwise active handle 1, thereby drive the rotation that twines load barrel 18, because hoist cable 3 is to be intertwined and connected on the outer circumferential face that twines load barrel 18, make the hoist cable 3 can be around rising and decontrol, to realize the lifting of blower fan 7 and to put down.
As shown in Figure 4 and Figure 5, be driving gear that matches of the present invention and driven gear scheme, an end face of driving gear 15 is provided with gear handle 14, gear handle 14 is provided with handle 1 away from an end of driving gear 15, in practical work process, can rotate the positive and negative rotation that driving gear 15 drives driven gear 16 by clockwise and anticlockwise active handle 1, thereby drive the rotation that twines load barrel 18, because hoist cable 3 is to be intertwined and connected on the outer circumferential face that twines load barrel 18, make the hoist cable 3 can be around rising and decontrol, to realize the lifting of blower fan 7 and to put down.
Certainly transmission device 2 can also adopt other the kind of drive, does not remake here one by one to describe.
As shown in Figure 6, be the worm gear that matches 12 of the present invention and worm screw 13 and drive motor 11 direct connection schemes, drive motor 11 links to each other with worm screw 13 by coupling 17, drive motor 11 should adopt the motor of energy clockwise and anticlockwise, clockwise and anticlockwise by drive motor 11, make the positive and negative rotation of worm screw drive the positive and negative rotation of worm gear 12, thereby drive the rotation that twines load barrel 18, because hoist cable 3 is to be intertwined and connected on the outer circumferential face that twines load barrel 18, make the hoist cable 3 can be around rising and decontrol, to realize the lifting of blower fan 7 and to put down.
As shown in Figure 7, it is the scheme of the driving gear that matches 15 of the present invention and driven gear 16 and drive motor 11 direct connections, drive motor 11 links to each other with gear handle 14 by coupling 17, drive motor 11 should adopt the motor of energy clockwise and anticlockwise, thereby drive the positive and negative rotation of the clockwise and anticlockwise drive driven gear 16 of driving gear 15 by the clockwise and anticlockwise of drive motor 11, driven gear 16 drives the rotation that twines load barrel 18, because hoist cable 3 is to be intertwined and connected on the outer circumferential face that twines load barrel 18, make the hoist cable 3 can be around rising and decontrol, to realize the lifting of blower fan 7 and to put down.
Be worm gear that matches of the present invention and worm screw and motor belt connectivity scenario as shown in Figure 8, drive motor is connected with worm screw 13 belts, drive motor 11 should adopt the motor of energy clockwise and anticlockwise, clockwise and anticlockwise by drive motor 11, make the positive and negative rotation of worm screw drive the positive and negative rotation of worm gear 12, thereby drive the rotation that twines load barrel 18, because hoist cable 3 is to be intertwined and connected on the outer circumferential face that twines load barrel 18, make the hoist cable 3 can be around rising and decontrol, to realize the lifting of blower fan 7 and to put down.
Be driving gear that matches of the present invention and driven gear and motor belt connectivity scenario as shown in Figure 9, drive motor 11 is connected with gear handle 14 belts, drive motor 11 should adopt the motor of energy clockwise and anticlockwise, thereby drive the positive and negative rotation of the clockwise and anticlockwise drive driven gear 16 of driving gear 15 by the clockwise and anticlockwise of drive motor 11, driven gear 16 drives the rotation that twines load barrel 18, because hoist cable 3 is to be intertwined and connected on the outer circumferential face that twines load barrel 18, make the hoist cable 3 can be around rising and decontrol, to realize the lifting of blower fan 7 and to put down.
Adopt lifting structure of fan of the present invention, changed subway for a long time, public railway tunnel with blower fan install adopted with the crane gear lifting fan of special use conventional method to the mounting point, compare with conventional method, not only when initially blower fan being installed, saved greatly and installed required human and material resources and the time of blower fan, (according to cost accounting, after adopting lifting structure of fan of the present invention, every typhoon machine is according to the size of weight, and actual cost only need increase 200-2000 yuan); But also the Special Hoisting Equipment that the regular maintenance that can make subway, public railway tunnel need be used needn't be provided in dismounting blower fan when blower fan carried out maintaining the time also needn't be sealed the tunnel during blower fan maintenance.
Claims (9)
1. lifting structure of fan, comprise scaffold (6), described scaffold (6) is pre-buried to be arranged on the position that the tunnel roof need be installed blower fan, blower fan lifts by crane the mounting point makes scaffold (6) be connected with blower fan scaffold (10) and fastening, it also comprises transmission device (2), hoist cable (3) and pulley (4), described transmission device (2) and pulley (4) are fixed on the scaffold (6), an end that it is characterized in that described hoist cable (3) has the suspension hook (8) that can link to each other with blower fan suspension ring (5), the other end of described hoist cable (3) links to each other with transmission device (2), described hoist cable (3) passes pulley (4), described pulley (4) places between transmission device (2) and the suspension hook (8), and hoist cable section between described pulley (4) and the transmission device (2) and vertical direction are and are not less than a=30 degree angle.
2. a kind of lifting structure of fan according to claim 1, it is characterized in that described transmission device (2) is the worm gear (12) and the worm screw (13) of matching, an end face of described worm gear (12) is provided with and twines load barrel (18), and the mode that an end of described hoist cable (3) links to each other with transmission device (2) is that hoist cable (3) is intertwined and connected and is twining on the load barrel (18).
3. a kind of lifting structure of fan according to claim 1, it is characterized in that described transmission device (2) is driving gear (15) and the driven gear (16) that matches, an end face of described driving gear (15) is provided with gear handle (14), an end face of described driven gear (16) is provided with and twines load barrel (18), and the mode that an end of described hoist cable (3) links to each other with transmission device (2) is that hoist cable (3) is intertwined and connected and is twining on the load barrel (18).
4. a kind of lifting structure of fan according to claim 1 is characterized in that described pulley (4) is a sheave block.
5. a kind of lifting structure of fan according to claim 1 is characterized in that described hoist cable (3) is wire rope sling or fiber hoist cable.
6. a kind of lifting structure of fan according to claim 2 is characterized in that described worm screw (13) is provided with handle (1) away from an end of worm gear (12).
7. a kind of lifting structure of fan according to claim 3 is characterized in that described gear handle (14) is provided with handle (1) away from an end of driving gear (15).
8. according to claim 1 or 2 or 3 described a kind of lifting structure of fan, it is characterized in that it also organizes into drive motor (11), described drive motor (11) is in transmission connection with transmission device (2).
9. a kind of lifting structure of fan according to claim 8 is characterized in that the described transmission device (2) and the mode of being in transmission connection of drive motor (11) are that direct connection or belt are connected or chain connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910097481 CN101532511B (en) | 2009-04-03 | 2009-04-03 | Lifting structure of fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910097481 CN101532511B (en) | 2009-04-03 | 2009-04-03 | Lifting structure of fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101532511A CN101532511A (en) | 2009-09-16 |
| CN101532511B true CN101532511B (en) | 2011-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910097481 Active CN101532511B (en) | 2009-04-03 | 2009-04-03 | Lifting structure of fan |
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| CN (1) | CN101532511B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108996388B (en) * | 2018-10-24 | 2023-09-29 | 泰豪科技股份有限公司 | Hoisting device and hoisting machine for container axial flow fan |
| CN109667782A (en) * | 2019-01-29 | 2019-04-23 | 金荣 | A kind of ventilation device easy to repair for tunnel |
| US11659678B2 (en) * | 2020-08-03 | 2023-05-23 | Dell Products L.P. | Systems and methods for removing modules from an information handling system |
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| CN101532511A (en) | 2009-09-16 |
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