CN203767498U - Support device for screw shaft of screw conveyer and shield tunneling machine - Google Patents
Support device for screw shaft of screw conveyer and shield tunneling machine Download PDFInfo
- Publication number
- CN203767498U CN203767498U CN201420084937.7U CN201420084937U CN203767498U CN 203767498 U CN203767498 U CN 203767498U CN 201420084937 U CN201420084937 U CN 201420084937U CN 203767498 U CN203767498 U CN 203767498U
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- China
- Prior art keywords
- end cap
- bracing
- rotary barrel
- strutting arrangement
- screw shaft
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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 - Lifetime
Links
- 230000005641 tunneling Effects 0.000 title abstract 2
- 238000007789 sealing Methods 0.000 claims description 15
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 241001661355 Synapsis Species 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract description 4
- 238000012856 packing Methods 0.000 description 6
- 239000004519 grease Substances 0.000 description 5
- 230000002045 lasting effect Effects 0.000 description 5
- 241000579971 Terebridae Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- Screw Conveyors (AREA)
Abstract
The utility model provides a support device for the screw shaft of a screw conveyer and a shield tunneling machine, wherein the support device comprises a casing and a rotating cylinder arranged in the casing; the casing comprises a first end cap and a second end cap which are fixedly connected with each other; the first end cap is fixedly connected with the front end section of the screw conveyer; the second end cap is fixedly connected with the fixing section of the screw conveyer; the rotating cylinder surrounds the screw shaft and can rotate with the screw shaft relative to the casing. The support device can continuously support the screw shaft, keep the coaxiality of the screw shaft and the cylinder, and effectively reduces the abrasion loss of the periphery of a screw blade in unit time, thereby prolonging the service life of the screw conveyer.
Description
Technical field
The utility model relates to a kind of mechanical device, is specially a kind of bracing or strutting arrangement and shield machine of the screw shaft for conveyor screw.
Background technology
In recent years, balancing earth-pressure shielding machine has in work progress affects the features such as little, driving speed is fast, ground settlement is little to ground and underground environment, is therefore widely used in subterranean tunnel construction.The conveyor screw of earth pressure balanced shield, EPBS generally adopts center, rear portion or rear portion peripheral drive.The screw shaft of conveyor screw is a kind of cantilever beam structure, and it is all directly to ride on cylinder inboard wall, makes cantilever beam front end degree of disturbing large, thereby causes top excessive clearance.Therefore, the periphery wearing and tearing to helicallobe when deslagging are very serious, greatly restricted the service life of conveyor screw blade.
Utility model content
For above-mentioned problem, the utility model aims to provide a kind of bracing or strutting arrangement of the screw shaft for conveyor screw, and it has effect simple in structure, to play support helix axle, reduces unit time internal helical blades periphery abrasion loss, strengthens the advantages such as service life of conveyor screw.The utility model also provides a kind of shield machine, comprises conveyor screw, wherein between the front end of conveyor screw joint and fixed knot, bracing or strutting arrangement is set.
According to one side of the present utility model, a kind of bracing or strutting arrangement of the screw shaft for conveyor screw is provided, comprise housing and be arranged on the rotary barrel in housing, housing comprises the first end cap and the second end cap that is fixed to one another connection, the first end cap is fixedly connected with the front end joint of conveyor screw, the second end cap is fixedly connected with the fixed knot of conveyor screw, and rotary barrel is round screw shaft, and can with respect to housing, rotate with screw shaft.This bracing or strutting arrangement adopts periphery rotary support, can realize the lasting support to screw shaft, has guaranteed the right alignment of screw shaft and rotary barrel.
Preferably, between rotary barrel and the first end cap and the second end cap, bearing is set respectively.This bearing is in order to support rotary barrel.
In one embodiment, the groove matching with the protuberance of the blade of screw shaft is set on axially at the inwall of rotary barrel.By cooperatively interacting of protuberance and groove, assurance rotating cylinder physical efficiency is followed screw shaft and is rotated together.
Preferably, rotary barrel is circumferentially uniformly distributed four grooves.This set is simple in structure, easily realizes.
In one embodiment, be provided for the jut into bearing location on rotary barrel, the inner of bearing contacts with jut.This set is used for location bearing in the axial direction.
In one embodiment, the 3rd sealing member is set in the outer end of bearing.This set prevents that foreign matter from entering in the gap of rotary barrel and the first end cap and the second end cap, thus protection bearing, the service life of improving device.
In one embodiment, the first end cap and the second end cap junction arrange the second sealing member.This set has sealed the gap between the first end cap and the second end cap, thereby has protected the bearing being arranged between the first end cap and the second end cap and rotary barrel, has improved the service life of device.
In one embodiment, in the first end contact position of the first end cap and rotary barrel and the second termination synapsis of the second end cap and rotary barrel, the first sealing member is all set.This set has been protected the bearing being arranged between the first end cap and the second end cap and rotary barrel, has improved the service life of device.
According on the other hand of the present utility model, a kind of shield machine is provided, shield machine comprises conveyor screw, wherein between the front end of conveyor screw joint and fixed knot, bracing or strutting arrangement is set.
In this application, " first end " refers to one end identical with screw shaft anti-drive end, " the second end " refers to one end identical with screw shaft drive end, " axially " refers to the axial identical direction with screw shaft, " the inner " depends on the end of the axial centre of nearly rotary barrel, and " outer end " refers to the end away from the axial centre of rotary barrel.
Compared with prior art, the utility model has the advantage of, this bracing or strutting arrangement can play lasting supporting role to the screw shaft of conveyor screw, keep the right alignment between screw shaft and rotary barrel, effectively reduce the abrasion loss of unit time internal helical blades periphery, the service life that therefore can improve conveyor screw.Meanwhile, this device self structure is simple, cost is low.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.In the drawings:
Fig. 1 has shown according to the front view of the bracing or strutting arrangement of the screw shaft for conveyor screw of the present utility model;
Fig. 2 has shown according to the upward view of the bracing or strutting arrangement of the screw shaft for conveyor screw of the present utility model;
Fig. 3 has shown the A-A cutaway view from Fig. 1;
Fig. 4 has shown the assembly drowing on conveyor screw according to the bracing or strutting arrangement of the screw shaft for conveyor screw of the present utility model.
In the accompanying drawings, identical parts are used identical Reference numeral.Accompanying drawing is not according to actual scale.
The specific embodiment
To introduce according to preferred embodiment of the present utility model hereinafter.
Fig. 3 has schematically shown according to the A-A cutaway view of the bracing or strutting arrangement 100 of the screw shaft 13 for conveyor screw 16 of the present utility model.As shown in Figure 3, this bracing or strutting arrangement 100 comprises housing 22 and is arranged on the rotary barrel 9 in housing 22.Housing 22 comprises the first end cap 1 of the first end that is arranged on rotary barrel 9, and the second end cap 10, the first end caps 1 that are arranged on the second end of rotary barrel 9 are fixedly connected with the second end cap 10.Fig. 4 has shown the assembly drowing on conveyor screw 16 according to the bracing or strutting arrangement 100 of the screw shaft 13 for conveyor screw 16 of the present utility model.As shown in Figure 4, the rotary barrel 9 of bracing or strutting arrangement 100 can rotate together along with screw shaft 13, and the first end cap 1 can be fixedly connected with fixed knot 15 with the front end joint 14 of described conveyor screw 16 respectively with the second end cap 10, rotary barrel 9 can rotate relative to the first end cap 1 and the second end cap 10.Therefore, bracing or strutting arrangement 100 adopts periphery rotary support, can realize the lasting support to screw shaft 13, has guaranteed the right alignment of screw shaft 13 with rotary barrel 9.
As shown in Figure 3, at the inwall of rotary barrel 9, groove 91 is set on axially, groove 91 matches with the protuberance 171 of the blade 17 of screw shaft 13, thereby realize S. A. 13, can rotate together by driven rotary cylindrical shells 9.Preferably, four grooves 91 can be set on the inwall of rotary barrel 9, and these four grooves 91 are uniformly distributed in the circumferential direction of rotary barrel 9.For convenience of installing, at the axial two ends of groove 91, have and expand groove 92.Preferably, expand groove 92 and can be wedge structure as shown in Figure 3.
Between rotary barrel 9 and the first end cap 1 and the second end cap 10, bearing 5 is set respectively.Bearing 5 is used for supporting rotary barrel 9.Preferably, bearing 5 is tapered roller bearing.It will be appreciated by those skilled in the art that ground, can also the raceway of circumferential direction be set on the outer wall of the two ends of rotary barrel 9, in raceway, add the structures such as ball or roller and realize the support to rotary barrel 9.
As shown in Figure 3, on rotary barrel 9, be provided for the jut 12 into bearing 5 axial location.
As shown in Figure 3, the outer end of the bearing 5 between rotary barrel 9 and the first end cap 1 arranges the 3rd sealing member 3, and in like manner the outer end of the bearing 5 between rotary barrel 9 and the second end cap 10 also arranges the 3rd sealing member 3.Preferably, the 3rd sealing member 3 is lip packing.For example, a lip packing 3 can be set herein, two or more lip packings 3 also can be set.In the outer end of lip packing 3, spacer ring 2 is set, in the inner of lip packing 3, spacer ring 4 is set, be used to lip packing 3 location.Above-mentioned outer end is the end away from the axial centre of rotary barrel 9, and above-mentioned the inner is the end near the axial centre of rotary barrel 9.Preferably, spacer ring 2 and spacer ring 4 are the ring-shaped piece that cross section is rectangle.Spacer ring 2 and spacer ring 4 have inner chamber, and on sidewall, have for receiving the grease groove 21,41 of outside grease.On the sidewall of the first end cap 1 and the second end cap 10, corresponding to the position of grease groove 21 and 41, have oil hole (not shown).Therefore, can be by oil hole and grease groove 21,41, to spacer ring 2 and the interior lasting injection grease of spacer ring 4.
By above-mentioned layout, bearing 5 is arranged between jut 12 and spacer ring 4.When this set prevents oil leakage, prevent that foreign matter from entering in the gap of rotary barrel 9 and the first end cap 1 and the second end cap 10, thus protection bearing 5, the service life of improving device 100.
First end and the first end cap 1 cooperation place at rotary barrel 9 arrange the first sealing member 18, and in the second end and second end cap 10 cooperation places of rotary barrel 9, the first sealing member 18 are also set, as shown in Figure 3.Preferably, the first sealing member 18 is labyrinth seal.For example, every place can arrange one or two labyrinth seal 18.
As shown in Figure 3, the first end cap 1 is configured to all flanged (FLGD) cylindrical shells of two ends, the first end of the first end cap 1 with the first flange 111, the second ends with the second flange 112.The second end cap 10 is configured to cylindrical shell, and joins auger shell pit 102 on first end band three-flange 101, the second end end faces.The second flange 112 and three-flange 101 are fixed together by bolt 6, pad 7 and nut 8, as shown in Figure 1, 2.At the first end cap 1 and the second end cap 10 cooperation places, the second sealing member 11 is set.Preferably, the second sealing member 11 is felt collar.
As shown in Figure 4, on the blade 17 of the screw shaft 13 of conveyor screw 16, be provided with protuberance 171, the groove 91 on rotary barrel 9 is matched with protuberance 171.Having realized screw shaft 13 can rotate by driven rotary cylindrical shell 9 together.Front end joint 14 on the anterior shield of the first flange 111 and conveyer 16 is fixedly connected with.Preferably, pass through bolt.By screw 19, the second end cap 10 can be fixed on the fixed knot 15 of conveyor screw 16.Make the cylindrical shell 20 of the first end cap 1 and the relative conveyor screw 16 of the second end cap 10 fixing, played supporting role.
The first end cap 1 and the second end cap 10 also can be configured to other version for being fixedly connected with between the first end cap 1 and the second end cap 10, and respectively with being connected of front end joint 14 and fixed knot 15.For example, the second end of the second end cap 10 also can be configured to form of flanges, is fixed on the fixed knot 15 of conveyor screw 16 by bolt.For the ease of Fast Installation and dismounting, the first end cap 1 and the second end cap 10 can also be configured to the split-type structural that can separate vertically.The structure that for example halves, is about to the first end cap 1 and the second end cap 10 and is set to two semicircular cylinder body structures, and these two semicircle cylindrical shell detachable-type sealeds is fixedly connected with.
Bracing or strutting arrangement 100 can play lasting supporting role to the screw shaft 13 of conveyor screw 16, keep the right alignment between screw shaft 13 and cylindrical shell 20, effectively reduce the abrasion loss of unit time internal helical blades 17 peripheries, the service life that therefore can improve conveyor screw 16.
The conveyor screw 16 that comprises bracing or strutting arrangement 100 of the present utility model is particularly useful for balancing earth-pressure shielding machine.
The foregoing is only preferred implementation of the present utility model; but the utility model protection domain is not limited to this; any those skilled in the art is in the disclosed technical scope of the utility model; can easily change or change, and this change or change and all should be encompassed in protection domain of the present utility model within.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (10)
1. for a bracing or strutting arrangement for the screw shaft of conveyor screw, it is characterized in that, comprising:
Housing, described housing comprises the first end cap and the second end cap that is fixed to one another connection, and wherein said the first end cap is fixedly connected with the front end joint of described conveyor screw, and described the second end cap is fixedly connected with the fixed knot of described conveyor screw, and
Be arranged on the rotary barrel in described housing, described rotary barrel is round described screw shaft, and can with respect to described housing, rotate with described screw shaft.
2. bracing or strutting arrangement according to claim 1, is characterized in that, between described rotary barrel and described the first end cap and described the second end cap, bearing is set respectively.
3. bracing or strutting arrangement according to claim 1, is characterized in that, the groove matching with the protuberance of the blade of described screw shaft is set on axially at the inwall of described rotary barrel.
4. bracing or strutting arrangement according to claim 3, is characterized in that, the inwall of described rotary barrel is circumferentially uniformly distributed four described grooves.
5. bracing or strutting arrangement according to claim 2, is characterized in that, is provided for the jut into described bearing location on described rotary barrel, and the axial inner ends of described bearing contacts with described jut.
6. bracing or strutting arrangement according to claim 5, is characterized in that, in the axial outer end of described bearing, the 3rd sealing member is set.
7. bracing or strutting arrangement according to claim 1, is characterized in that, described the first end cap and described the second end cap junction arrange the second sealing member.
8. bracing or strutting arrangement according to claim 6, is characterized in that, has the spacer ring of inner chamber in the two ends contact setting of described the 3rd sealing member.
9. bracing or strutting arrangement according to claim 1, is characterized in that, in the first end contact position of described the first end cap and described rotary barrel and the second termination synapsis of described the second end cap and described rotary barrel, the first sealing member is all set.
10. a shield machine, comprises conveyor screw, wherein between the front end of conveyor screw joint and fixed knot, arranges according to the bracing or strutting arrangement described in any one in claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420084937.7U CN203767498U (en) | 2014-02-27 | 2014-02-27 | Support device for screw shaft of screw conveyer and shield tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420084937.7U CN203767498U (en) | 2014-02-27 | 2014-02-27 | Support device for screw shaft of screw conveyer and shield tunneling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203767498U true CN203767498U (en) | 2014-08-13 |
Family
ID=51284715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420084937.7U Expired - Lifetime CN203767498U (en) | 2014-02-27 | 2014-02-27 | Support device for screw shaft of screw conveyer and shield tunneling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203767498U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106429255A (en) * | 2016-11-23 | 2017-02-22 | 杭州三螺机械设备有限公司 | Sliding intermediate supporting system for forced-cooling sliding column of spiral ship unloader |
| CN106522976A (en) * | 2016-12-16 | 2017-03-22 | 徐工集团凯宫重工南京有限公司 | Reducing spiral conveying device for shield tunneling machine |
| CN107440463A (en) * | 2017-03-17 | 2017-12-08 | 广州绿淋环保科技有限公司 | A kind of new cooking machine |
| CN107440464A (en) * | 2017-03-17 | 2017-12-08 | 广州绿淋环保科技有限公司 | A kind of healthy cooking machine |
| CN107762521A (en) * | 2016-08-18 | 2018-03-06 | 中国铁建重工集团有限公司 | A kind of double mode shield machine and its spiral axial brake device |
| WO2018224029A1 (en) * | 2017-06-09 | 2018-12-13 | 中国铁建重工集团有限公司 | Shield spiral conveyor and shield tunneling machine |
| CN109026044A (en) * | 2018-09-26 | 2018-12-18 | 中国铁建重工集团有限公司 | A kind of shield machine |
-
2014
- 2014-02-27 CN CN201420084937.7U patent/CN203767498U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107762521A (en) * | 2016-08-18 | 2018-03-06 | 中国铁建重工集团有限公司 | A kind of double mode shield machine and its spiral axial brake device |
| CN106429255A (en) * | 2016-11-23 | 2017-02-22 | 杭州三螺机械设备有限公司 | Sliding intermediate supporting system for forced-cooling sliding column of spiral ship unloader |
| CN106522976A (en) * | 2016-12-16 | 2017-03-22 | 徐工集团凯宫重工南京有限公司 | Reducing spiral conveying device for shield tunneling machine |
| CN107440463A (en) * | 2017-03-17 | 2017-12-08 | 广州绿淋环保科技有限公司 | A kind of new cooking machine |
| CN107440464A (en) * | 2017-03-17 | 2017-12-08 | 广州绿淋环保科技有限公司 | A kind of healthy cooking machine |
| WO2018224029A1 (en) * | 2017-06-09 | 2018-12-13 | 中国铁建重工集团有限公司 | Shield spiral conveyor and shield tunneling machine |
| CN109026044A (en) * | 2018-09-26 | 2018-12-18 | 中国铁建重工集团有限公司 | A kind of shield machine |
| CN109026044B (en) * | 2018-09-26 | 2024-02-20 | 中国铁建重工集团股份有限公司 | Shield machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 410100 No. 88 East 7 Line, Changsha Economic and Technological Development Zone, Hunan Province Patentee after: China Railway Construction Heavy Industry Co.,Ltd. Address before: 410100 Changsha Province, the city of Hunan by the East Road, No. seven, No. 88 Patentee before: China Railway Construction Heavy Industry Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |
|
| CX01 | Expiry of patent term |