CN201407047Y - Shield tunneling machine shield cutter head mechanism - Google Patents
Shield tunneling machine shield cutter head mechanism Download PDFInfo
- Publication number
- CN201407047Y CN201407047Y CN2009200448192U CN200920044819U CN201407047Y CN 201407047 Y CN201407047 Y CN 201407047Y CN 2009200448192 U CN2009200448192 U CN 2009200448192U CN 200920044819 U CN200920044819 U CN 200920044819U CN 201407047 Y CN201407047 Y CN 201407047Y
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- CN
- China
- Prior art keywords
- force transmission
- transmission ring
- ring
- piggyback pod
- shield
- Prior art date
- 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 - Lifetime
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model relates to a shield tunneling machine shield cutter head mechanism, which comprises a cutter head driving mechanism, connecting legs (8) and a cutter head (9); the cutter head driving mechanism comprises a driving motor (1), an engine compartment (2), a transmitting gear (3), a large gear ring (4), a force-transmitting ring (5) and a seal retaining ring (6). The shield tunnelingmachine shield cutter head mechanism is characterized in that: the outer periphery wall of a large-diameter section (5.1) of the force-transmitting ring and the outer periphery wall of a hatch of theengine compartment (2) are respectively surfacingly-welded with large-diameter section wear-resistant alloy material (5.1.1) and engine compartment wear-resistant alloy material (2.1); the hole wall of a ring groove (6.1) of the seal retaining ring and the hole wall of a small-diameter hole (5.2) of the inner ring of the force-transmitting ring are respectively surfacingly-welded with seal retaining ring wear-resistant alloy material (6.1.1) and force-transmitting ring small-diameter hole wear-resistant alloy material (5.2.1). The utility model can improve the hardness and wear resistance of the surfacing welding part, thereby greatly extending the service life of the engine compartment and the force-transmitting ring and the seal retaining ring of the shield tunneling machine shield cutter head mechanism.
Description
(1) technical field
The utility model relates to a kind of shield excavation machine.Be widely used in subway, railway, highway, municipal administration or water power construction of tunnel.Belong to technical field of engineering machinery.
(2) background technology
Shield excavation machine is a kind of special engineering machinery of tunnel piercing.That modern shield structure integrates is mechanical, electrical, liquid, sensing, information technology, has the excavation cutting soil body, carries soil quarrel, the assembly unit tunnel lining, measures function such as the correction of leading.Cutter-head mechanism of shield is the core of shield excavation machine.It mainly is made up of cutter plate driver mechanism, connection supporting leg and cutterhead.Described cutter plate driver mechanism mainly is made up of drive motors, piggyback pod, travelling gear, bull gear, force transmission ring and seal retainer.Piggyback pod is the cardiac component of whole drive unit of shield cutter head, and institute is dynamic during shield-tunneling construction is all passed by this piggyback pod.Drive motors is installed on the piggyback pod, and travelling gear and bull gear are arranged in the piggyback pod, and the drive motors output links to each other with travelling gear, travelling gear and bull gear engaged transmission, and force transmission ring rotates and is arranged at piggyback pod hatch inner rim.Force transmission ring is fixedly connected on the bull gear outer end with king-bolt.Seal retainer is arranged at piggyback pod hatch center, and seal retainer is fixedlyed connected with bull gear.Described seal retainer is arranged in the middle diametric hole and large diameter hole of force transmission ring inner ring, and the seal retainer outer face is provided with annular groove.Described cutterhead is connected in the force transmission ring outer end by connecting supporting leg.
When shield excavation machine is worked at tunnel excavation, drive motors by cutter-head mechanism of shield transmits power, drive the bull gear rotation by travelling gear, again through force transmission ring be connected supporting leg and drive the cutterhead rotation, cutterhead rotary cutting earth is cut earth and is scattered in the cavity that constitutes between cutterhead and piggyback pod, force transmission ring and the seal retainer.Because the continuous rotary work of force transmission ring, the hole wall of the hole wall of earth and force transmission ring enlarged diameter section periphery wall and force transmission ring small diameter bore, piggyback pod hatch periphery wall and seal retainer outer face annular groove constantly produces friction, cause the hole wall heavy wear of the hole wall and the seal retainer outer face annular groove of described piggyback pod hatch periphery wall, force transmission ring enlarged diameter section periphery wall and force transmission ring small diameter bore, and described fray can not be reprocessed in the tunnel, has had a strong impact on the application life of piggyback pod, force transmission ring and seal retainer like this.
(3) summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, and the shield cutter-head mechanism of shield tunnel boring machine in a kind of piggyback pod that can prolong shield excavation machine greatly, force transmission ring and seal retainer application life is provided.
The purpose of this utility model is achieved in that a kind of shield cutter-head mechanism of shield tunnel boring machine, comprise cutter plate driver mechanism, connect supporting leg and cutterhead, described cutter plate driver mechanism comprises drive motors, piggyback pod, travelling gear, bull gear, force transmission ring and seal retainer, described drive motors is installed on the piggyback pod, travelling gear and bull gear are arranged in the piggyback pod, travelling gear is installed in the drive motors output, travelling gear and bull gear engaged transmission, described force transmission ring is arranged at piggyback pod hatch inner rim, force transmission ring is fixedly connected on the bull gear outer end with long bolt, force transmission ring is arranged to secondary boss shape, by reduced diameter section, middle diameter segment and enlarged diameter section constitute, the reduced diameter section of force transmission ring and middle diameter segment are inserted in the hatch of described piggyback pod, the enlarged diameter section of force transmission ring places outside the hatch of described piggyback pod, and the periphery wall of the hatch of described enlarged diameter section periphery wall and described piggyback pod is on the same periphery; It is poroid that the inner ring of described force transmission ring is arranged to two stage steps, described seal retainer is arranged at the hatch center of piggyback pod, seal retainer is fixedlyed connected with bull gear, described seal retainer also is arranged in the middle diametric hole and large diameter hole of force transmission ring inner ring simultaneously, sealing guard ring outer face is provided with annular groove, the hole wall of the small diameter bore of the hole wall of this annular groove and described force transmission ring inner ring is on the same periphery, described cutterhead is connected in described force transmission ring outer end by connecting supporting leg, and it is characterized in that: the periphery wall of the enlarged diameter section periphery wall of described force transmission ring and the hatch of piggyback pod built-up welding respectively has force transmission ring enlarged diameter section wear resistant alloy material and piggyback pod wear resistant alloy material; The hole wall of the small diameter bore of the hole wall of the annular groove of described seal retainer and described force transmission ring inner ring built-up welding respectively has seal retainer wear resistant alloy material and force transmission ring small diameter bore wear resistant alloy material.
The beneficial effects of the utility model are: the utility model passes through the equal build-up wear-resistant alloy material of hole wall of annular groove on the hole wall of the small diameter bore of the enlarged diameter section periphery wall of the periphery wall of the hatch of piggyback pod, force transmission ring, force transmission ring inner ring and seal retainer outer face, can improve the hardness and the anti-wear performance of described built-up welding part, thereby prolong the application life of piggyback pod, force transmission ring and the seal retainer of shield cutter-head mechanism of shield tunnel boring machine greatly.
(4) description of drawings
Fig. 1 is the general structure schematic diagram of the utility model shield cutter-head mechanism of shield tunnel boring machine.
Fig. 2 is the I enlarged drawing of Fig. 1.
Fig. 3 is the II enlarged drawing of Fig. 1.
Fig. 4 is a piggyback pod structural representation of the present utility model.
Fig. 5 is the III enlarged drawing of Fig. 4.
Fig. 6 is a force transmission ring structural representation of the present utility model.
Fig. 7 is the IV enlarged drawing of Fig. 6.
Fig. 8 is the V enlarged drawing of Fig. 6.
Fig. 9 is a seal retainer structural representation of the present utility model.
Figure 10 is the VI enlarged drawing of Fig. 9.
Among the figure:
Enlarged diameter section 5.1, small diameter bore 5.2;
Piggyback pod wear resistant alloy material 2.1, force transmission ring enlarged diameter section wear resistant alloy material 5.1.1, force transmission ring small diameter bore wear resistant alloy material 5.2.1, seal retainer wear resistant alloy material 6.1.1.
(5) specific embodiment
The utility model shield cutter-head mechanism of shield tunnel boring machine mainly is made up of cutter plate driver mechanism, connection supporting leg 8 and cutterhead 9.Described cutter plate driver mechanism mainly is made up of drive motors 1, piggyback pod 2, travelling gear 3, bull gear 4, force transmission ring 5 and seal retainer 6.Piggyback pod 2 is cardiac components of whole cutter plate driver mechanism, and institute is dynamic during shield-tunneling construction is all passed by this piggyback pod.Drive motors 1 is installed on the piggyback pod 2, and travelling gear 3 and bull gear 4 are arranged in the piggyback pod 2, and travelling gear 3 is installed in drive motors 1 output, travelling gear 3 and bull gear 4 engaged transmission, and described force transmission ring 5 is arranged at piggyback pod hatch inner rim.Force transmission ring 5 usefulness long bolts 7 are fixedly connected on bull gear 4 outer ends.Force transmission ring 5 is arranged to secondary boss shape.The reduced diameter section of force transmission ring 5 and middle diameter segment are inserted in the hatch of described piggyback pod 2, the enlarged diameter section 5.1 of force transmission ring 5 places outside the hatch of described piggyback pod 2, the periphery wall of enlarged diameter section 5.1 periphery walls of described force transmission ring 5 and the hatch of described piggyback pod 2 is on the same periphery, the periphery wall of enlarged diameter section 5.1 periphery walls of described force transmission ring and the hatch of piggyback pod 2 built-up welding respectively has force transmission ring enlarged diameter section wear resistant alloy material 5.1.1 and piggyback pod wear resistant alloy material 2.1, as Fig. 2,4,5,6,7.It is poroid that the inner ring of described force transmission ring 5 is arranged to two stage steps.
Described seal retainer 6 is arranged at the hatch center of piggyback pod 2, and seal retainer 6 is fixedlyed connected with bull gear 4.Described seal retainer 6 also is arranged in the middle diametric hole and large diameter hole of force transmission ring inner ring simultaneously, sealing guard ring 6 outer faces are provided with annular groove 6.1, the hole wall of the small diameter bore 5.2 of the hole wall of this annular groove 6.1 and described force transmission ring inner ring is on the same periphery, the hole wall of the hole wall of the annular groove 6.1 of described seal retainer and the small diameter bore 5.2 of described force transmission ring inner ring built-up welding respectively has seal retainer wear resistant alloy material 6.1.1 and force transmission ring small diameter bore wear resistant alloy material 5.2.1, as Fig. 3,6,8,9 and 10.
Described cutterhead 9 is connected in described force transmission ring 5 outer ends by connecting supporting leg 8.
When shield excavation machine is worked at tunnel excavation, transmit power, drive the bull gear rotation, again through force transmission ring with is connected supporting leg drive cutterhead and rotates cutterhead rotary cutting earth by travelling gear by the drive motors of cutter-head mechanism of shield.
Claims (1)
1, a kind of shield cutter-head mechanism of shield tunnel boring machine, comprise cutter plate driver mechanism, connect supporting leg (8) and cutterhead (9), described cutter plate driver mechanism comprises drive motors (1), piggyback pod (2), travelling gear (3), bull gear (4), force transmission ring (5) and seal retainer (6), described drive motors (1) is installed on the piggyback pod (2), travelling gear (3) and bull gear (4) are arranged in the piggyback pod (2), travelling gear (3) is installed in drive motors (1) output, travelling gear (3) and bull gear (4) engaged transmission, described force transmission ring (5) is arranged at piggyback pod hatch inner rim, force transmission ring (5) is fixedly connected on bull gear (4) outer end with long bolt (7), force transmission ring (5) is arranged to secondary boss shape, by reduced diameter section, middle diameter segment and enlarged diameter section (5.1) constitute, the reduced diameter section of force transmission ring (5) and middle diameter segment are inserted in the hatch of described piggyback pod (2), the enlarged diameter section (5.1) of force transmission ring (5) places outside the hatch of described piggyback pod (2), and the periphery wall of the hatch of described enlarged diameter section (5.1) periphery wall and described piggyback pod (2) is on the same periphery; It is poroid that the inner ring of described force transmission ring (5) is arranged to two stage steps, described seal retainer (6) is arranged at the hatch center of piggyback pod (2), seal retainer (6) is fixedlyed connected with bull gear (4), described seal retainer (6) also is arranged in the middle diametric hole and large diameter hole of force transmission ring inner ring simultaneously, sealing guard ring (6) outer face is provided with annular groove (6.1), the hole wall of the small diameter bore (5.2) of hole wall of this annular groove (6.1) and described force transmission ring inner ring is on the same periphery, described cutterhead (9) is connected in described force transmission ring (5) outer end by connecting supporting leg (8), and it is characterized in that: the periphery wall of the hatch of the enlarged diameter section of described force transmission ring (5.1) periphery wall and piggyback pod (2) built-up welding respectively has force transmission ring enlarged diameter section wear resistant alloy material (5.1.1) and piggyback pod wear resistant alloy material (2.1); The hole wall of the small diameter bore (5.2) of the hole wall of the annular groove of described seal retainer (6.1) and described force transmission ring inner ring built-up welding respectively has seal retainer wear resistant alloy material (6.1.1) and force transmission ring small diameter bore wear resistant alloy material (5.2.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200448192U CN201407047Y (en) | 2009-05-20 | 2009-05-20 | Shield tunneling machine shield cutter head mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200448192U CN201407047Y (en) | 2009-05-20 | 2009-05-20 | Shield tunneling machine shield cutter head mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201407047Y true CN201407047Y (en) | 2010-02-17 |
Family
ID=41677980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200448192U Expired - Lifetime CN201407047Y (en) | 2009-05-20 | 2009-05-20 | Shield tunneling machine shield cutter head mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201407047Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101598024B (en) * | 2009-05-20 | 2011-01-26 | 江阴市港东机械有限公司 | Shield cutter-head mechanism of shield tunnel boring machine |
| CN108547624A (en) * | 2018-03-05 | 2018-09-18 | 广东水电二局股份有限公司 | A kind of method that tunnel piercing main bearing retreats |
-
2009
- 2009-05-20 CN CN2009200448192U patent/CN201407047Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101598024B (en) * | 2009-05-20 | 2011-01-26 | 江阴市港东机械有限公司 | Shield cutter-head mechanism of shield tunnel boring machine |
| CN108547624A (en) * | 2018-03-05 | 2018-09-18 | 广东水电二局股份有限公司 | A kind of method that tunnel piercing main bearing retreats |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100217 Effective date of abandoning: 20090520 |