CN202768007U - Variable frequency driving unit of cutterhead - Google Patents
Variable frequency driving unit of cutterhead Download PDFInfo
- Publication number
- CN202768007U CN202768007U CN 201220386551 CN201220386551U CN202768007U CN 202768007 U CN202768007 U CN 202768007U CN 201220386551 CN201220386551 CN 201220386551 CN 201220386551 U CN201220386551 U CN 201220386551U CN 202768007 U CN202768007 U CN 202768007U
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- China
- Prior art keywords
- cutterhead
- variable frequency
- drive unit
- frequency drive
- frequency driving
- Prior art date
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- Expired - Fee Related
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- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 16
- 244000309464 bull Species 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 6
- 238000005461 lubrication Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a variable frequency driving unit of a cutterhead. The variable frequency driving unit of the cutterhead comprises an electric motor, a reduction gear, a driving box body and a cutterhead. The electric motor is connected with one side of the driving box body through the reduction gear. The cutterhead is arranged on the other side of the driving box body. The electric motor is a variable frequency driving electric motor. A small gear, a big gear ring and a transmission loop are further arranged in the driving box body. The small gear is connected with the output end of the reduction gear. The big gear ring is meshed with the small gear. One end of the transmission loop is arranged on the big gear ring. The big gear ring is connected with the cutterhead through the transmission loop. According to the variable frequency driving unit of the cutterhead, the variable frequency driving electric motor and a driving box body structural design are adopted to enable the variable frequency driving unit to be low in cost, long in service life and short in production cycle.
Description
Technical field
The utility model relates to the constructing tunnel equipment technical field, particularly a kind of cutter head of shield machine variable frequency drive unit.
Background technology
Cutterhead frequency conversion drive assembly is the heart of Suporting structure, also be parts that account for cost ratio maximum, the quality of its performance determines the quality of shield machine, the height of its cost has determined the height of the overall cost of shield structure in addition, therefore in order to grasp the Suporting structure technology, the cutterhead variable frequency drive unit is exactly the technology of shield machine, in order to be that product has better competitive advantage, guarantees the quality of product when reducing cost, therefore, urgent need is developed and is had the cutterhead frequency conversion drive assembly that price is low, the cycle is short, the life-span is long.
The utility model content
The purpose of this utility model is to provide the cutterhead variable frequency drive unit that a kind of cost is low, fabrication cycle is short, the life-span is long.
In order to solve problem set forth above, the utility model adopts following technical scheme: a kind of cutterhead variable frequency drive unit, comprise motor, reductor, drive case and cutterhead, described motor via reducer is connected with drive case one side, described cutterhead is installed on the drive case opposite side, described motor is variable frequency drive motors, also comprise pinion in the described drive case, bull gear and transmission ring, described pinion is connected with the reductor output, described bull gear and pinion, described transmission ring one end is installed on the bull gear, and described bull gear is connected with cutterhead by transmission ring.
Cutterhead variable frequency drive unit of the present utility model, preferred, also comprise three row's roller bearings, described three row's roller bearings are installed on the transmission ring outside.
Cutterhead variable frequency drive unit of the present utility model, preferred, also comprise sealing ring, described sealing ring is installed between cutterhead and the drive case.
Cutterhead variable frequency drive unit of the present utility model, preferred, the material of described sealing ring is polyurethane material.
Cutterhead variable frequency drive unit of the present utility model, preferred, described motor is a plurality of, evenly is installed on respectively reductor one side.
Cutterhead variable frequency drive unit of the present utility model, preferred, the described sealing ring type of cooling is water-cooled.
Cutterhead variable frequency drive unit of the present utility model, preferred, the lubricating system of described three row's roller bearings is oil lubrication.
Cutterhead variable frequency drive unit of the present utility model, preferred, described drive case is passed through welding fabrication.
Compared with prior art, the beneficial effects of the utility model are: adopt variable frequency drive motors and drive case structure design, make this cutterhead variable frequency drive unit have advantages of that cost is low, long service life, with short production cycle.
Description of drawings
Fig. 1 is the cut-away view of cutterhead variable frequency drive unit of the present utility model;
Shown in the figure: the 1-motor; The 2-reductor; The 3-drive case; The 4-pinion; The 5-bull gear; 6-three row's roller bearings; The 7-sealing ring; The 8-transmission ring.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
As shown in Figure 1, the utility model provides a kind of cutterhead variable frequency drive unit, comprise motor 1, reductor 2, drive case 3 and cutterhead, described motor 1 is connected with drive case 3 one sides by reductor 2, described cutterhead is installed on drive case 3 opposite sides, described motor 1 is variable frequency drive motors, also comprise pinion 4 in the described drive case 3, bull gear 5 and transmission ring 8, described pinion 4 is connected with reductor 2 outputs, described bull gear 5 and pinion 4 engagements, described transmission ring 8 one ends are installed on the bull gear 5, described bull gear 5 is connected with cutterhead by transmission ring 8, adopt variable-frequency driving technique, have totally convenience simple in structure than hydraulic-driven, transmission efficiency is high, pollute the characteristics such as few; Described drive case 3 at first adopts three-dimensional modeling in design by welding fabrication, and simulation is assembled and processing, and structure is carried out finite element analysis, optimizing structure design, the safety factor of assurance structure; Described motor 1 is a plurality of, evenly is installed on respectively reductor 2 one sides, has both reduced motor appearance and size, and convenient the installation so that total is stressed evenly, increased application life simultaneously.
The utility model also comprises three row's roller bearings 6, described three row's roller bearings 6 are installed on transmission ring 8 outsides, and in order to ensure the quality of products reliability, can adopt the bearing of SKF, the producers such as Rothe erde, JTKET, this bearing can be reached more than the 15000h, exceed 50% than present General Requirements 10000h; And the lubricating system of described three row's roller bearings 6 is oil lubrication, adopts extraneous oil pump initiatively oily to three row's roller bearings 6, can guarantee that bearing lubrication is abundant, and is stable; In addition, damage bearing in order to prevent native sand from entering in three row's roller bearings 6, also comprise sealing ring 7, described sealing ring 7 is installed between cutterhead and the drive case 3, and the material of described sealing ring 7 is polyurethane material, have good abrasion resistance and corrosion resistance, and its resistance to compression can reach more than the 8bar, application life is more than 10000 hours; And sealing ring 7 in motion process with the contact surface friction of drive case 3; can produce a large amount of heats; in order to protect sealing ring 7 can not cause because of excess Temperature damaging, described sealing ring 7 types of cooling are water-cooled, guarantee that the temperature of native sand sealing surface is below 80 ℃.
Above-described embodiment is the better embodiment of the utility model; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.
Claims (8)
1. cutterhead variable frequency drive unit, comprise motor (1), reductor (2), drive case (3) and cutterhead, described motor (1) is connected with drive case (3) one sides by reductor (2), described cutterhead is installed on drive case (3) opposite side, it is characterized in that: described motor (1) is variable frequency drive motors, also comprise pinion (4) in the described drive case (3), bull gear (5) and transmission ring (8), described pinion (4) is connected with reductor (2) output, described bull gear (5) and pinion (4) engagement, described transmission ring (8) one ends are installed on the bull gear (5), and described bull gear (5) is connected with cutterhead by transmission ring (8).
2. cutterhead variable frequency drive unit according to claim 1 is characterized in that: also comprise three row's roller bearings (6), described three row's roller bearings (6) are installed on transmission ring (8) outside.
3. cutterhead variable frequency drive unit according to claim 1, it is characterized in that: also comprise sealing ring (7), described sealing ring (7) is installed between cutterhead and the drive case (3).
4. cutterhead variable frequency drive unit according to claim 3, it is characterized in that: the material of described sealing ring (7) is polyurethane material.
5. cutterhead variable frequency drive unit according to claim 1 is characterized in that: described motor (1) evenly is installed on respectively reductor (2) one sides for a plurality of.
6. according to claim 3 or 4 described cutterhead variable frequency drive unit, it is characterized in that: described sealing ring (7) type of cooling is water-cooled.
7. cutterhead variable frequency drive unit according to claim 2 is characterized in that: the lubricating systems of described three row's roller bearings (6) are oil lubrication.
8. cutterhead variable frequency drive unit according to claim 1, it is characterized in that: described drive case (3) is passed through welding fabrication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220386551 CN202768007U (en) | 2012-08-01 | 2012-08-01 | Variable frequency driving unit of cutterhead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220386551 CN202768007U (en) | 2012-08-01 | 2012-08-01 | Variable frequency driving unit of cutterhead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202768007U true CN202768007U (en) | 2013-03-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220386551 Expired - Fee Related CN202768007U (en) | 2012-08-01 | 2012-08-01 | Variable frequency driving unit of cutterhead |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202768007U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670422A (en) * | 2013-06-18 | 2014-03-26 | 江苏银旭隧道机械有限公司 | Coring shield mechanism of tunnel boring machine |
| CN105422110A (en) * | 2015-12-17 | 2016-03-23 | 徐工集团凯宫重工南京有限公司 | Master drive used for micro shield tunneling machine |
| CN110454175A (en) * | 2019-08-05 | 2019-11-15 | 辽宁三三工业有限公司 | A kind of assembly technology for driving speed reducer to be horizontally mounted suitable for shield owner |
-
2012
- 2012-08-01 CN CN 201220386551 patent/CN202768007U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670422A (en) * | 2013-06-18 | 2014-03-26 | 江苏银旭隧道机械有限公司 | Coring shield mechanism of tunnel boring machine |
| CN105422110A (en) * | 2015-12-17 | 2016-03-23 | 徐工集团凯宫重工南京有限公司 | Master drive used for micro shield tunneling machine |
| CN110454175A (en) * | 2019-08-05 | 2019-11-15 | 辽宁三三工业有限公司 | A kind of assembly technology for driving speed reducer to be horizontally mounted suitable for shield owner |
| CN110454175B (en) * | 2019-08-05 | 2020-11-24 | 辽宁三三工业有限公司 | Assembly process suitable for horizontal installation of main drive reducer of shield machine |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20150615 Granted publication date: 20130306 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20160615 Granted publication date: 20130306 |
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| PP01 | Preservation of patent right |
Effective date of registration: 20160615 Granted publication date: 20130306 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20161215 Granted publication date: 20130306 |
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| PP01 | Preservation of patent right |
Effective date of registration: 20161228 Granted publication date: 20130306 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210628 Granted publication date: 20130306 |
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| PD01 | Discharge of preservation of patent | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20210628 Granted publication date: 20130306 |
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| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220801 Granted publication date: 20130306 |
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| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20150801 |
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| CF01 | Termination of patent right due to non-payment of annual fee |