CN202788859U - Anti-twisting device for hinged type shield body - Google Patents
Anti-twisting device for hinged type shield body Download PDFInfo
- Publication number
- CN202788859U CN202788859U CN201220337777.3U CN201220337777U CN202788859U CN 202788859 U CN202788859 U CN 202788859U CN 201220337777 U CN201220337777 U CN 201220337777U CN 202788859 U CN202788859 U CN 202788859U
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- shield
- plate
- middle shield
- turning round
- hinged
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Abstract
The utility model provides an anti-twisting device of a hinged type shield body. The anti-twisting device of the hinged type shield body comprises a middle shield and a shield tail, wherein the middle shield and the shield tail are connected through a hinged oil cylinder. The middle shield comprises a middle shield supporting ring, a middle shield back supporting plate, and middle shield hinged seat, wherein the middle shield hinged seat is installed on the middle shield back supporting plate. The shield tail comprises a shield tail connecting ring and a shield tail hinged seat, wherein the shield tail hinged seat is installed on the shield tail connecting ring. The hinged oil cylinder is connected between the middle shield hinged seat and the shield tail hinged seat. The anti-twisting device comprises an anti-twisting support and a U-shaped baffle, wherein the anti-twisting support is installed on the middle shield supporting ring and the middle shield back supporting plate, is arranged on the radial inner side of the hinged oil cylinder, and is provided with an anti-twisting end head, and the U-shaped baffle is integrally formed on the shield tail hinged seat and enables the anti-twisting end head to be contained inside a cavity of the baffle. Thus, the snit-twisting support cannot occupy an installation position of the hinged oil cylinder so that more hinged oil cylinder can be arranged between the middle shield and the shield tail. Therefore, more drag force can be supplied for the shield tail and smooth running of shield structure construction is guaranteed.
Description
Technical field
The utility model relates to a kind of shield machine for tunnel construction, relates more specifically to the radial type shield body anti-twisting equipment for shield machine.
Background technology
In recent years, shield-tunneling construction affects the characteristics such as little, that driving speed is fast, ground settlement is little with it to ground and underground environment, is widely used in the construction of subterranean tunnel.Tend to exist curved section in the tunnel line design, this performance to shield machine is had higher requirement.Radial type shield body highly sensitive can adapt to less tunnel turning radius, therefore more and more is applied in the design of shield structure.
Fig. 1 has shown a kind of structure of radial type shield body of the prior art.As shown in the figure, be welded with middle shield hinged seat 2 at middle shield 1, and be welded with shield tail hinged seat 4 at shield tail 5.Middle shield hinged seat 2 links to each other by hinged oil cylinder 3 with shield tail hinged seat 4.Usually, along the circumference of shield body a plurality of hinged oil cylinders 3, advance thereby can drag with suitable active force shield tail 5.
The state diagram of shield 1 relative shield tail 5 during Fig. 2 has shown when turning.When shield machine was advanced along straightway, hinged oil cylinder 3 was in locking state.Therefore, the stroke of each hinged oil cylinder is identical.When shield machine when the curved section, the oil inlet and outlet valve open of hinged oil cylinder 3, the stroke of each hinged oil cylinder changes, thereby the progressive error by each hinged oil cylinder 3 realize in shield 1 with respect to the turning of shield tail 5.As shown in the figure, middle shield 1 has formed angle α with the axis of shield tail 5.
Because the existence of cutterhead rotation countertorque exists mutually between middle shield 1 and the shield tail 5 and rotates.This mutual rotation may cause hinged oil cylinder 3 to work, even damages hinged oil cylinder 3, thereby so that shield tail 5 can not normally advance, affects the normal driving of shield machine.Therefore, in order to prevent the mutual rotation between middle shield 1 and the shield tail 5, anti-twisting equipment need to be set.
Fig. 3 has shown anti-twisting equipment of the prior art, and it is the Split type welded structure.As shown in the figure, the middle shield rear support ring flat-plate 6 at middle shield 1 has welded the anti-frame 7 of turning round.The free end that should anti-turn round frame 7 is limited by a pair of baffle plate 8 that is positioned at its both sides.Baffle plate 8 needs to locate according to the anti-position of turning round frame 7, and be welded on the shield tail connecting ring 9 when building-site is assembled usually.Because baffle plate 8 has limited the anti-motion of turning round frame 7, has realized the inhibition of the mutual rotation between centering shield 1 and the shield tail 5.Therefore, this anti-twisting equipment can prevent the mutual rotation between middle shield 1 and the shield tail 5.
Yet there is following shortcoming in this existing anti-twisting equipment.At first, prevent that turning round frame 7 directly is welded on the middle shield rear support ring flat-plate 6, form as one with middle shield 1, cause dismounting inconvenient.In addition, anti-turn round the installation site that frame 7 and baffle plate 8 have taken hinged oil cylinder 3, cause the quantity of hinged oil cylinder 3 to reduce, so that not enough to the dilatory force of shield tail 5.In addition, baffle plate 8 is generally the above steel plate of thickness 60mm, and welding need to assemble at the scene the time.The distortion that this just is easy to cause shield tail connecting ring 9 causes shield tail 5 to lose circle.
The utility model content
For above problem, the utility model is intended to propose a kind of anti-twisting equipment of novel radial type shield body, and it can solve above-mentioned deficiency in the mutual rotation that effectively prevents between the shield body.
According to the utility model, provide a kind of anti-twisting equipment for radial type shield body.Wherein, radial type shield body comprises middle shield and the shield tail that is connected with each other by hinged oil cylinder.Middle shield comprises middle shield rear support ring flat-plate, middle shield support ring and is installed in middle shield hinged seat on the middle shield rear support ring flat-plate.The shield tail comprises shield tail connecting ring and the shield tail hinged seat that is installed on the shield tail connecting ring.Hinged oil cylinder is connected between middle shield hinged seat and the shield tail hinged seat.This anti-twisting equipment comprises: be installed in the anti-frame of turning round on middle shield support ring and the middle shield rear support ring flat-plate, it is arranged to be in the radially inner side of hinged oil cylinder, and has the anti-termination of turning round; And integral type is formed on the U-shaped baffle plate on the shield tail hinged seat, so that anti-turning round in the inner chamber that the termination is contained in baffle plate.
According to anti-twisting equipment of the present utility model, prevent turning round the radially inner side that frame is arranged on hinged oil cylinder.Therefore, prevent turning round the installation site that frame can not take hinged oil cylinder.In this case, more hinged oil cylinder can be set between middle shield and shield tail, thereby for the shield tail provides larger dilatory force, guarantee carrying out smoothly of shield-tunneling construction.
In addition, because U-shaped baffle plate integral type is formed on the shield tail hinged seat, therefore with of the prior art the situation of baffle plate Site Welding on shield tail connecting ring compared, can be avoided causing the possibility of shield tail connecting ring distortion.
In one embodiment, at least one sidewall of baffle plate inner chamber, also be fixed with backing plate.Particularly, can turn round the actual deviation between frame center line and the baffle plate center line and prevent turning round the thickness that backing plate is selected in setting gap between frame and the baffle plate according to anti-.The thickness of the backing plate usually thickness than U-shaped baffle sidewall is little a lot.Therefore, can select the thickness of backing plate by needs as the case may be, thereby guarantee the anti-gap that has setting between termination and the baffle plate of turning round.But backing plate for example Site Welding on the inside wall of baffle plate.Because backing plate is very thin, especially much thin than baffle plate, therefore this welding can not cause the distortion of shield tail connecting ring.
In a preferred embodiment, the anti-anti-termination of turning round of turning round frame is configured to cylinder.Like this, anti-to turn round contacting between termination and the baffle plate be the line contact, and having guaranteed has enough anti-torsion effect power.
In a preferred embodiment, prevent turning round the T shape structure that frame has integral type, comprise the substrate that detachably is fixed on the middle shield support ring, and the removable gusset that is fixed on the middle shield rear support ring flat-plate.Prevent that turning round the termination is arranged on substrate and the gusset.This removable fixing so that dismounting is very convenient.
In a preferred embodiment, between substrate and middle shield support ring, be provided with first and adjust plate, adjust plate and between gusset and middle shield rear support ring flat-plate, be provided with second.The first adjustment plate and/or second is adjusted plate and is used for the exactly anti-position of turning round frame, location, and can play the anti-effect of turning round of reinforcement.
Description of drawings
Come the utility model is described in detail below in conjunction with accompanying drawing.Yet should be appreciated that these accompanying drawings only structure of the present utility model do not play any restriction to the utility model for showing.
Fig. 1 has shown the syndeton of middle shield and the shield tail of radial type shield body of the prior art.
Fig. 2 has shown the state of radial type shield body shown in Figure 1 when turning.
Fig. 3 has shown the anti-twisting equipment of radial type shield body of the prior art.
Fig. 4 has shown the structure according to anti-twisting equipment of the present utility model.
Fig. 5 to 7 is respectively front view, right view and the upward view of anti-twisting equipment shown in Figure 4.
Fig. 8 to 10 is the C-C sectional view of Fig. 5, has shown respectively anti-ly to turn round nothing between frame center line and the baffle plate center line and depart from, exist the little situation when departing from more greatly of departing from and exist.
The specific embodiment
Below in conjunction with accompanying drawing the technical solution of the utility model is illustrated.
Fig. 4 has shown that according to anti-twisting equipment 50 of the present utility model it is used for being installed between the shield 1 and shield tail 5 of radial type shield body, to prevent the mutual rotation between middle shield 1 and the shield tail 5.
As shown in the figure, the middle shield 1 of radial type shield body comprises middle shield rear support ring flat-plate 6 and middle shield support ring 10.Be provided with middle shield hinged seat 2 at middle shield rear support ring flat-plate 6.Shield tail 5 comprises shield tail connecting ring 9, and is installed in the shield tail hinged seat 4 on the shield tail connecting ring 9.Between middle shield hinged seat 2 and shield tail hinged seat 4, hinged oil cylinder 3 has been installed, thereby middle shield 1 and shield tail 5 have been hinged together, formed radial type shield body.These structures all are that those skilled in the art is known, so it is described in detail in this and omits.
According to the utility model, anti-twisting equipment 50 comprises the anti-frame 14 of turning round.An anti-end of turning round frame 14 is installed on middle shield support ring 10 and the middle shield rear support ring flat-plate 6.Preferably, an anti-end of turning round frame 14 removably, for example be installed on middle shield support ring 10 and the middle shield rear support ring flat-plate 6 by bolt 12, thereby be conducive to assembling.The anti-other end of turning round frame 14 is formed with anti-ly to be turned round termination 17(and clearly show that in Fig. 8).Anti-twisting equipment 50 is arranged on the radially inner side of hinged oil cylinder 3, thereby can not take the installation site of hinged oil cylinder 3.Therefore, more hinged oil cylinder can be set between middle shield 1 and shield tail 5, thereby provide larger dilatory force for shield tail 5.
Be integrally formed U-shaped baffle plate 18 at shield tail hinged seat 4.With of the prior art the situation of baffle plate Site Welding on shield tail connecting ring 9 compared, the U-shaped baffle plate 18 of integral type has avoided causing the possibility of shield tail connecting ring 9 distortion.
Anti-turn round frame 14 anti-turned round in the inner chamber that termination 17 extend into U-shaped baffle plate 18, is subject to the restriction of the inside wall of U-shaped baffle plate 18 in both sides.Therefore, by U-shaped baffle plate 18 and the anti-anti-mating reaction of turning round between the termination 17 of turning round frame 14, thereby can prevent mutual rotation between middle shield 1 and the shield tail 5.The anti-anti-termination 17 of turning round of turning round frame 11 is designed to cylinder, so that anti-to turn round contacting between termination 17 and the baffle plate 18 be that line contacts, having guaranteed has enough anti-torsion effect power.
According to a preferred embodiment of the present utility model, prevent that turning round frame 14 is T-shaped structure, comprises substrate 19 and gusset 20 that integral type is arranged.Wherein, prevent turning round the end that termination 17 is arranged on substrate 19 and gusset 20.Substrate 19 for example is fixed on the middle shield support ring 10 by bolt 12, and gusset 20 for example is fixed on the middle shield rear support ring flat-plate 6 by bolt 12.With respect to the anti-frame of turning round of individual plates, the anti-frame of turning round of this T shape can improve torsional property significantly.In order to adjust the anti-position of turning round frame 14, between substrate 19 and middle shield support ring 10, be provided with first and adjust plate 11, adjust plate 13 and between gusset 20 and middle shield rear support ring flat-plate 6, be provided with second.The adjustment plate is also referred to as joins welding plate.Adjust plate 11 and/or the second adjustment plate 13 by arranging first, can locate more accurately the anti-position of turning round frame 14.In addition, such as Fig. 4, Fig. 6 and shown in Figure 7, adjust plate 11 both sides first and be provided with side flange 21, so that substrate 19 is subject to the spacing constraint of side flange 21 in the horizontal.This has strengthened positioning action on the one hand, has also strengthened on the other hand the anti-effect of turning round.
Prevent turning round termination 17 for U-shaped baffle plate 18 can suitably be limited, in order to realize the satisfactory anti-function of turning round, the anti-gap of turning round between frame 14 and the baffle plate 18 is very important, and it must reach the requirement of design.For this reason, can backing plate 15,16 be set at least one inside wall of U-shaped baffle plate 18, be used for regulating anti-this gap of turning round between frame 14 and the baffle plate 18. Backing plate 15,16 thickness are usually less, are generally less than 20mm.Between erecting stage, needs are as the case may be selected the backing plate of suitable thickness, and Site Welding is on the inside wall of U-shaped baffle plate 18.Because backing plate is very thin, therefore this welding can not cause the distortion of shield tail connecting ring 9.
Fig. 8 has shown the situation that the center line of the mounted anti-center line of turning round frame 14 and baffle plate 18 coincides.At this moment, can select thickness to be two backing plates 15 and 16 of t, and with their Site Weldings on the inside wall of U-shaped baffle plate 18, guarantee that the anti-gap of turning round between termination 17 and backing plate 15 and 16 is design size δ.
Fig. 9 has shown between the center line of the mounted anti-center line of turning round frame 14 and baffle plate 18 and has had less situation about departing from.As shown in the figure, have the less d1 that departs between the center line of the mounted anti-center line of turning round frame 14 and baffle plate 18, this departs from d1 less than the one-tenth-value thickness 1/10 t of the backing plate in the above-mentioned coincidence situation.In this case, the thickness of a backing plate 15 wherein can be chosen as t+d1, and the thickness of another piece backing plate 16 is chosen as t-d1, and with their Site Weldings on the inside wall of U-shaped baffle plate 18.Thus, can guarantee that equally the anti-gap of turning round between termination 17 and backing plate 15 and 16 is design size δ.
Figure 10 has shown between the center line of the mounted anti-center line of turning round frame 14 and baffle plate 18 and has had larger situation about departing from.As shown in the figure, have the larger d2 that departs between the center line of the mounted anti-center line of turning round frame 14 and baffle plate 18, this departs from d2 greater than the one-tenth-value thickness 1/10 t of the backing plate in the above-mentioned coincidence situation.In this case, the backing plate 15 that can to select a thickness be t+d2, and dispense another piece backing plate 16.That is to say, only Site Welding backing plate 15 on an inside wall of U-shaped baffle plate 18.Can guarantee also that thus the gap between the anti-inside wall of turning round termination 17 and backing plate 15 and U-shaped baffle plate 18 reaches requirement.
Although with reference to some embodiment the utility model is described, yet is appreciated that in the situation that does not break away from scope of the present utility model, can carry out various improvement or replacement to it.Especially, only otherwise have structural conflict, the feature among each embodiment all can mutually combine, and formed combined type feature still belongs in the scope of the present utility model.The utility model is not limited to disclosed specific embodiment in the literary composition, but comprises all technical schemes in the scope that falls into claim.
Claims (7)
1. anti-twisting equipment that is used for radial type shield body, wherein said radial type shield body comprises middle shield and the shield tail that is connected with each other by hinged oil cylinder, described middle shield comprises middle shield rear support ring flat-plate, middle shield support ring and is installed in middle shield hinged seat on the middle shield rear support ring flat-plate, described shield tail comprises shield tail connecting ring and the shield tail hinged seat that is installed on the shield tail connecting ring, described hinged oil cylinder is connected between middle shield hinged seat and the shield tail hinged seat, it is characterized in that described anti-twisting equipment comprises:
Be installed in the anti-frame of turning round on described middle shield support ring and the middle shield rear support ring flat-plate, it is arranged to be in the radially inner side of described hinged oil cylinder, and the described anti-frame of turning round has the anti-termination of turning round,
Integral type is formed on the U-shaped baffle plate on the shield tail hinged seat, so that described anti-turning round in the inner chamber that the termination is contained in described U-shaped baffle plate.
2. anti-twisting equipment according to claim 1 is characterized in that, also is fixed with backing plate at least one sidewall of the inner chamber of described baffle plate.
3. anti-twisting equipment according to claim 2 is characterized in that, the thickness of described backing plate is selected according to anti-actual deviation and the anti-setting gap of turning round between frame and the baffle plate of turning round between frame center line and the baffle plate center line.
4. anti-twisting equipment according to claim 3 is characterized in that, the thickness of described backing plate is less than the thickness of the sidewall of described U-shaped baffle plate.
5. each described anti-twisting equipment in 4 according to claim 1 is characterized in that the described anti-anti-termination of turning round of turning round frame is configured to cylinder.
6. each described anti-twisting equipment in 4 according to claim 1, it is characterized in that, describedly anti-turn round the T shape structure that frame has integral type, comprise the substrate that detachably is fixed on the middle shield support ring, and detachably be fixed on the gusset on the middle shield rear support ring flat-plate.
7. anti-twisting equipment according to claim 6 is characterized in that, is provided with first and adjusts plate between described substrate and middle shield support ring, is provided with second and adjusts plate between described gusset and middle shield rear support ring flat-plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220337777.3U CN202788859U (en) | 2012-07-12 | 2012-07-12 | Anti-twisting device for hinged type shield body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220337777.3U CN202788859U (en) | 2012-07-12 | 2012-07-12 | Anti-twisting device for hinged type shield body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202788859U true CN202788859U (en) | 2013-03-13 |
Family
ID=47816134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220337777.3U Withdrawn - After Issue CN202788859U (en) | 2012-07-12 | 2012-07-12 | Anti-twisting device for hinged type shield body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202788859U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720507A (en) * | 2012-07-12 | 2012-10-10 | 中国铁建重工集团有限公司 | Radial type shield body torsionproof device |
| CN104453927A (en) * | 2013-09-23 | 2015-03-25 | 中铁隧道装备制造有限公司 | Double-hinged-joint double-mode anti-explosion type inclined shaft full face rock tunnel boring machine |
| CN105464672A (en) * | 2015-12-21 | 2016-04-06 | 江苏凯宫隧道机械有限公司 | Active hinging apparatus for earth pressure balance shield machine |
| CN109231097A (en) * | 2018-09-28 | 2019-01-18 | 中国葛洲坝集团第工程有限公司 | Traction device and method in TBM shield body hole |
-
2012
- 2012-07-12 CN CN201220337777.3U patent/CN202788859U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720507A (en) * | 2012-07-12 | 2012-10-10 | 中国铁建重工集团有限公司 | Radial type shield body torsionproof device |
| CN104453927A (en) * | 2013-09-23 | 2015-03-25 | 中铁隧道装备制造有限公司 | Double-hinged-joint double-mode anti-explosion type inclined shaft full face rock tunnel boring machine |
| CN105464672A (en) * | 2015-12-21 | 2016-04-06 | 江苏凯宫隧道机械有限公司 | Active hinging apparatus for earth pressure balance shield machine |
| CN105464672B (en) * | 2015-12-21 | 2018-03-02 | 江苏凯宫隧道机械有限公司 | Balancing earth-pressure shielding machine active articulated mounting |
| CN109231097A (en) * | 2018-09-28 | 2019-01-18 | 中国葛洲坝集团第工程有限公司 | Traction device and method in TBM shield body hole |
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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 | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130313 Effective date of abandoning: 20140312 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130313 Effective date of abandoning: 20140312 |