CN203853939U - Bearing disassembly and assembly adjusting device for large-scale boiler induced-draft fan - Google Patents
Bearing disassembly and assembly adjusting device for large-scale boiler induced-draft fan Download PDFInfo
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- CN203853939U CN203853939U CN201420213480.5U CN201420213480U CN203853939U CN 203853939 U CN203853939 U CN 203853939U CN 201420213480 U CN201420213480 U CN 201420213480U CN 203853939 U CN203853939 U CN 203853939U
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- lifting platform
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- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000003466 welding Methods 0.000 claims abstract description 4
- 229910000746 Structural steel Inorganic materials 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000002788 crimping Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
A bearing disassembly and assembly adjusting device for a large-scale boiler induced-draft fan is formed by a rack, a lifting platform and an adjusting mechanism. The lifting platform is located on the rack, the adjusting mechanism is mounted on the lifting platform, the lifting platform is formed by welding a concave platform to the top end of a supporting pillar, the adjusting mechanism comprises a connecting shaft clamped in the concave platform, bearings are assembled to the two ends of the connecting shaft respectively, and the bearings are mounted on the concave platform through elastic collars and hexagon bolts. The bearing disassembly and assembly adjusting device for the large-scale boiler induced-draft fan is an auxiliary tool which is easy to operate and good in effect and saves labor, assembling quality of bearings and impellers can be improved, risk factors in the disassembling and assembling process of the bearings of the large-scale boiler induced-draft fan are reduced, work efficiency of maintainers is improved, and labor intensity is lowered.
Description
Technical field
The utility model belongs to technical field, and particularly a kind of large-sized boiler air-introduced machine bearing removes and installs adjusting device.
Background technology
In general industry is produced, motor all runs up for a long time, and mechanical part easily generates heat.Especially the grease of bearing inside can be aging through high temperature, loses lubrication, and the pearl serious wear of the inside adds heavy load, takes electricity and may make again the whole heating of motor finally burn under this service condition.So in the maintenance of motor, maintenance regulation, require periodic replacement motor bearings, so not only energy-conservation but also can raise the efficiency, save cost.For small-sized fan bearing removal, installation, only need to adopt fixing support rack to support, can heat dismounting or install, but while changing bearing as 500kW with fan for large-sized boiler air-introduced machine, because the diameter of axle is large, Heavy Weight, duplex bearing class band impeller large-sized boiler air-introduced machine particularly, shaft length is long surpasses 2 meters, impeller that axle head is with and axle gross weight reaches 4 tons of left and right, dismantles, installation difficulty is very big, need many people long working, and cannot guarantee assembly quality.
At present, the dismounting of large-sized boiler air-introduced machine bearing, installation adopt fixed installation, according to impeller height, make a contour bracing frame, and bearing is hung on bracing frame, and impeller is placed on ground and keeps balance, and hoisting machinery is hung on bearing.When dismounting, installation, command lifting personnel to sling, people carries out the adjustment of axle and moves.The dismounting of this method, install not easy to operately, power of fan is larger, and impeller is larger, operation easier is larger, the processes such as personnel's lifting simultaneously, adjustment shaft position, axle and impeller assembling, and not easy to operate have very large danger simultaneously.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the purpose of this utility model is to provide a kind of large-sized boiler air-introduced machine bearing to remove and install adjusting device, it is a kind of easy to operate, laborsaving, effective auxiliary Work tool, can improve the assembly quality of bearing, impeller, reduce the hazards of the dismounting of large-sized boiler air-introduced machine bearing, installation process, improve maintainer's operating efficiency, reduce labour intensity.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of large-sized boiler air-introduced machine bearing removes and installs adjusting device, by frame, lifting platform and guiding mechanism, formed, lifting platform is positioned in frame, guiding mechanism is arranged on lifting platform, lifting platform consists of support column 4 top welding spill platforms 8, guiding mechanism comprises the connecting axle 10 being stuck in spill platform 8, and a bearing 9 is respectively assembled at the two ends of connecting axle 10, by circlip 11 and hex bolts 12, is arranged on spill platform 8.
Described frame comprises that four rhizospheres become the angle iron of positive terraced body to support 1, the top of positive terraced body arranges frame top board 7, bottom arranges framework soleplate 2, support column 4 is through frame top board 7, spill platform 8 is above frame top board 7, the part of support column 4 below frame top board 7 is connected with positioning sleeve 5 and lower positioning sleeve 6, and the top of upper positioning sleeve 5 contacts with the bottom surface of frame top board 7, and the sidewall of lower positioning sleeve 6 supports 1 by connecting plate 3 and angle iron and is connected.
The bottom of described angle iron support 1 is provided with rolling bearing 15.
Side cross support 13 and left and right sides cross-brace 14 before and after described angle iron is provided with between supporting 1.
Described connecting axle 10 has two, is set in parallel on spill platform 8.
Compared with prior art, the beneficial effects of the utility model are:
1, this device can be used for dismounting and the assembling of large-size machine bearing.
2, this installs dismounting and the device of available large-size machine axle and large-scale fan blade, impeller.
3, the use of this device can reduce labor intensity, and improves dismounting and assembling speed, improves assembly precision, prevents from, because being difficult for installing, hard assembling occurs, and damage motor shaft or bearing, reduce expenses.
Accompanying drawing explanation
Fig. 1 is the utility model adjusting device front view.
Fig. 2 is the utility model adjusting device lifting platform side view.
Fig. 3 is the utility model adjusting device top view.
The specific embodiment
Below in conjunction with drawings and Examples, describe embodiment of the present utility model in detail.
As shown in Figure 1, Figure 2 and Figure 3, the utility model adjusting device is mainly comprised of frame, lifting platform, guiding mechanism three parts.Frame is arranged on ground as main main brace; Lifting platform, above frame, through frame, forms an integral body with frame by a pole, and pole bottom Ke Jia places jack or fixing supporter, and lifting platform is moved up and down according to the height of axle; Guiding mechanism is equipped with on lifting platform top, and guiding mechanism is comprised of two groups of rolling bearings, and the end portion of motor shaft is placed on the centre of two groups of bearings, rotatable two groups of bearings, the motor shaft driving rotates, thereby adjusts the position of motor shaft, is convenient to the dismounting of motor bearings and contraposition is installed.Each several part structure and effect are as follows:
1, frame (as Fig. 1).Frame comprises that four rhizospheres become 130 ㎝ angle irons of positive terraced body to support 1, the top of positive terraced body arranges frame top board 7, bottom arranges framework soleplate 2, frame top board 7 and framework soleplate 2 by two on year-on-year basis greatly enhance square plate (100 ㎝ * 50 ㎝) and small rectangle steel plate (50 ㎝ * 25 ㎝) forms.Long side forms frame front and back side cross support 13 by four block length steel plate interconnections, and short brink is laterally connected to form frame left and right sides cross-brace 14 by a block length steel plate at angle iron middle part.Bottom frame, four jiaos are equipped with four rolling bearings 15, can promote frame and walk everywhere, or in motor shaft dismounting or installation process, adjust the integral position of motor shaft.The circular port of opening Φ 11 ㎝ in the middle of frame top board 7, the support column 4 of lifting platform passes from circular port, and support column 4 is the body of rod of long 70 ㎝ of a Φ 10 ㎝.For preventing support column 4 double swerves, under the round mouth of opening in the middle of frame top board 7, welding long 20 ㎝ diameters is the upper positioning sleeves 5 of Φ 11 ㎝, with upper positioning sleeve 5 interval 15 ㎝, the lower positioning sleeve 6 that long 20 ㎝ diameters are Φ 11 ㎝ is installed, and lower positioning sleeve 6 is connected with the horizontal lacing wire steel plate 14 of frame short brink by two connecting plates 3.Support column 4, through steel bushing 5, steel bushing 6, is pressed on the jack 16 of settling on framework soleplate 2.
2, lifting platform (as Fig. 2).Lifting platform is welded by a spill platform 8 and a support column 4.On spill platform 8, guiding mechanism is installed, support column 4, through the lower positioning sleeve 6 of frame top board 7 and bottom, links together hoistable platform and frame, by the work of frame lower jack 16, is risen or is declined.Because lifting platform is socketed in frame by support column 4, so hoistable platform can horizontally rotate by 360 degree.
3, guiding mechanism (as Fig. 3).Guiding mechanism by the connecting axle 10 of Φ 8, the bearing 9 of Φ 12, circlip 11, hex bolts 12 form.A bearing 9 is respectively assembled in connecting axle 10 two ends assemblings, by circlip for shaft 11 and hex bolts 12, be arranged on the spill platform 8 of lifting platform, totally two groups, bearing, be contained in respectively spill platform 8 both sides, bearing is apart 25 ㎝, motor shaft to be keeped in repair is just placed on the centre of two groups of bearings, and with bearing crimping, when the bearing of rotation regulating mechanism, motor shaft is followed together and rotated.
According to above structure, the utility model adjusting device can be used for the relevant operation of large-size machine bearing, the present embodiment take that 800kW boiler induced-draft fan motor bearings is installed, dismounting designs and produces as example, bearing for other large-size machine, only need be according to the size of shaft size, the relative dimensions in corresponding change design drawing; For large-size machine axle, can make two guiding mechanisms, at motor shaft front end and middle-end, put side by side better effects if, more convenient operation.
Use procedure of the present utility model is:
1, during operation, motor shaft is sling by overhead traveling crane or electric block, shifted frame onto motor shaft below, frame top before and after overhead traveling crane or electric block are placed on motor shaft gently;
2, adjust front and back frame relative position, before and after making, frame will be in the same horizontal line.
3, with the jack in frame, adjust front and back frame lifting platform height, motor shaft can be pressed on the bearing of device guiding mechanism.
4, according to the crimping situation of motor bearings, left rotation and right rotation is adjusted structure machine, makes the parallel and motor shaft of the connecting line of two groups of bearings.
5, overhead traveling crane or electric block put down motor shaft.
6, according to dismounting or installation needs, with jack, rise or put down motor shaft, the bearing of rotatable guiding mechanism, thus rotary electric machine axle is installed, is proofreaied and correct.Also the impeller that motor shaft one side of can rolling is installed, because motor shaft is placed on the bearing of guiding mechanism, can follow wheel rotation and synchronously rotate.
Claims (5)
1. a large-sized boiler air-introduced machine bearing removes and installs adjusting device, by frame, lifting platform and guiding mechanism, formed, it is characterized in that, lifting platform is positioned in frame, guiding mechanism is arranged on lifting platform, lifting platform consists of support column (4) top welding spill platform (8), guiding mechanism comprises the connecting axle (10) being stuck in spill platform (8), a bearing (9) is respectively assembled at the two ends of connecting axle (10), by circlip (11) and hex bolts (12), is arranged on spill platform (8).
2. large-sized boiler air-introduced machine bearing according to claim 1 removes and installs adjusting device, it is characterized in that, described frame comprises that four rhizospheres become the angle iron of positive terraced body to support (1), the top of positive terraced body arranges frame top board (7), bottom arranges framework soleplate (2), support column (4) is through frame top board (7), spill platform (8) is in frame top board (7) top, support column (4) is connected with upper positioning sleeve (5) and lower positioning sleeve (6) in the part of frame top board (7) below, the top of upper positioning sleeve (5) contacts with the bottom surface of frame top board (7), the sidewall of lower positioning sleeve (6) supports (1) by connecting plate (3) and angle iron and is connected.
3. large-sized boiler air-introduced machine bearing according to claim 2 removes and installs adjusting device, it is characterized in that, the bottom that described angle iron supports (1) is provided with rolling bearing (15).
4. large-sized boiler air-introduced machine bearing according to claim 2 removes and installs adjusting device, it is characterized in that, side cross support (13) and left and right sides cross-brace (14) before and after being provided with between described angle iron support (1).
5. large-sized boiler air-introduced machine bearing according to claim 1 removes and installs adjusting device, it is characterized in that, described connecting axle (10) has two, is set in parallel on spill platform (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420213480.5U CN203853939U (en) | 2014-04-29 | 2014-04-29 | Bearing disassembly and assembly adjusting device for large-scale boiler induced-draft fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420213480.5U CN203853939U (en) | 2014-04-29 | 2014-04-29 | Bearing disassembly and assembly adjusting device for large-scale boiler induced-draft fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203853939U true CN203853939U (en) | 2014-10-01 |
Family
ID=51603817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420213480.5U Expired - Lifetime CN203853939U (en) | 2014-04-29 | 2014-04-29 | Bearing disassembly and assembly adjusting device for large-scale boiler induced-draft fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203853939U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026773A (en) * | 2018-07-24 | 2018-12-18 | 安吉县锅炉配件厂 | A kind of adjustable blower unit for boiler fitting production |
-
2014
- 2014-04-29 CN CN201420213480.5U patent/CN203853939U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026773A (en) * | 2018-07-24 | 2018-12-18 | 安吉县锅炉配件厂 | A kind of adjustable blower unit for boiler fitting production |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141001 |