CN214062963U - Fin type stabilizer for shield machine - Google Patents
Fin type stabilizer for shield machine Download PDFInfo
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- CN214062963U CN214062963U CN202022903861.4U CN202022903861U CN214062963U CN 214062963 U CN214062963 U CN 214062963U CN 202022903861 U CN202022903861 U CN 202022903861U CN 214062963 U CN214062963 U CN 214062963U
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- stabilizer
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- shield body
- fin
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Abstract
The utility model provides a shield constructs machine fin formula stabilizer, including locating internal driving piece of shield and stabilizing member, stabilizing member one end is articulated with the shield body, the other end is articulated with the driving piece, and the driving piece promotes the stabilizing member through directly driving the mechanism and rotates and stretch out the shield body. The utility model discloses a set up the stabilizer and rotate under the drive of driving piece and stretch out the shield body, the stabilizer can insert in the soil body with the position of stratum contact, stabilize the shield body through blocking the soil body, thereby prevent the shield body from rolling over, moreover, the side is big with the soil body area of contact, prevent that the shield body from rolling over better, solved the shield body stabilising arrangement among the prior art and only rely on frictional force to prop tightly on the soil body, extrude sunken, empty drawback that leads to unable use easily in being used for the weak stratum; the stabilizing piece is set to be the shark fin type stabilizing block, the shark fin type stabilizing block is provided with the cutting edge for cutting into the soil layer, the cutting into the soil layer is facilitated, and the resistance of the shield body in the advancing process can be effectively reduced.
Description
Technical Field
The utility model relates to a shield constructs the construction field, especially relates to a shield constructs machine fin formula stabilizer.
Background
The shield construction method is a mainstream construction method for urban underground rail transit construction nowadays due to the advantages of high efficiency, small environmental damage and the like. When the shield tunneling machine is adopted for construction, the excavation diameter of a cutter head of the shield tunneling machine is larger than the outer diameter of a shield body, torque generated by cutting a soil body in the excavation process of the cutter head needs to be offset by the shield body, and if rolling measures are not taken into consideration for the shield body, the shield body is easy to roll and vibrate under certain working conditions, particularly under the conditions of high rotating speed and large torque, and adverse effects are generated on construction and equipment.
The invention patent with the application publication date of 2019, 3 and 8 and the publication number of CN109441465A discloses a shield body stabilizing device and a shield body, and the shield body stabilizing device comprises a working driving piece and rectangular supporting shoes arranged at the working end of the working driving piece, wherein the long edges of the rectangular supporting shoes are arranged along the rotating direction of the shield body, and the short edges of the rectangular supporting shoes are arranged along the tunneling direction of the shield body. The device stretches out the supporting shoes through the working driving piece during tunneling, the supporting shoes are tightly propped against the wall of the hole, the rolling of the posture of the shield body is prevented by means of the friction force between the supporting shoes and the wall of the hole, and the stress area of the shield body in the rotating direction is large due to the fact that the long edges of the rectangular supporting shoes are arranged along the rotating direction of the shield body, the generated resistance for preventing the shield body from rotating is large, and the phenomenon that the shield body rolls on the side is prevented. However, when the device is used in soft strata such as broken soft rock and soft soil, the situation that the supporting shoes are pressed to be sunken and pressed to be empty can be caused, and the effect of stabilizing the shield body can not be achieved. Under the circumstances, a shield body stabilizing device applied to earth pressure and slurry shield is needed, and when the shield is driven in the stratum, the shield body stabilizing device can effectively contact with the wall of the hole to prevent the shield body from rolling.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a shield constructs quick-witted fin formula stabilizer construction method for solve among the prior art shield body stabilising arrangement and be applied to the not good problem of weak stratum effect.
In order to achieve the above purpose, the technical solution of the present invention is realized as follows:
the utility model provides a shield constructs machine fin formula stabilizer, is including locating driving piece and the stabilizing member in the shield, stabilizing member one end is articulated with the shield body, the other end is articulated with the driving piece, just the driving piece promotes the stabilizing member through directly driving the mechanism and rotates and stretch out the shield body. The stabilizing piece extends out of the shield body under the driving of the driving piece and cuts into a weak stratum, and the shield body is prevented from deflecting by being clamped into the stratum, so that the defect that the shield body stabilizing device in the prior art cannot be used in the weak stratum due to the fact that the shield body stabilizing device is only supported tightly by means of friction force is overcome.
Further, in order to facilitate the driving member to push the stabilizer, the stabilizer is in a cam structure.
Further, in order to enable the stabilizing piece to effectively cut into the soil body, the stabilizing piece comprises a shark fin type stabilizing block, and the shark fin type stabilizing block is hinged with the shield body through a fin rotating pin shaft.
Furthermore, in order to facilitate the shark fin type stabilizing block to be cut into a soil layer, a cutting edge which is cut into the soil layer is arranged on the shark fin type stabilizing block.
Further, in order to improve the driving efficiency, the driving piece is a pushing oil cylinder, the fixed end of the pushing oil cylinder is hinged with the shield body, and the telescopic end of the pushing oil cylinder is hinged with the shark fin type stabilizing block through a direct driving mechanism.
Further, in order to enable the driving piece to directly push the stabilizing piece, the movable end of the direct-drive mechanism is connected to the hinge seat on the shark fin type stabilizing block.
Further, for the convenience of installing driving piece and stabilizing piece, still be equipped with the stabilizer casing on the shield body, driving piece and stabilizing piece are located in the stabilizer casing, and are equipped with the export that supplies the stabilizing piece to stretch out the shield body on the stabilizer casing.
Further, in order to prevent the stabilizing piece from deflecting, guide side plates for guiding the shark fin-type stabilizing block are arranged on two sides of the outlet.
Further, in order to facilitate overhauling, the stabilizer shell is provided with an overhauling port, and an overhauling door is arranged on the overhauling port.
The utility model has the advantages that: the utility model discloses a set up the stabilizer and rotate under the drive of driving piece and stretch out the shield body, the stabilizer can insert in the soil body with the position of stratum contact, stabilize the shield body through blocking the soil body, thereby prevent the shield body from rolling over, and the side is big with the soil body area of contact, prevent that the shield body from rolling over better, solve the shield body stabilising arrangement among the prior art and only rely on frictional force to prop tightly on the soil body, extrude sunken, empty drawback that leads to unable use easily in being used for the weak soil layer; the stabilizing piece is set to be the shark fin type stabilizing block, the shark fin type stabilizing block is provided with the cutting edge for cutting into the soil layer, the cutting into the soil layer is facilitated, and the resistance of the shield body in the advancing process can be effectively reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention in a shield body;
FIG. 2 is a front view of A in FIG. 1;
FIG. 3 is an enlarged view of a portion of I in FIG. 1.
In the figure: 1-stabilizing part, 2-fin rotating pin shaft, 3-pushing oil cylinder, 4-oil cylinder hinged seat, 5-access door, 6-guiding side plate, 7-stabilizer shell and 8-shield body.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
As shown in fig. 1-3, the fin stabilizer for the shield machine according to the embodiment of the present invention is respectively disposed below the left and right sides of the front shield of the shield body 8, the shield body 8 is the housing of the shield machine, and the size, dimension and weight of the fin stabilizer can be reasonably designed by combining the self weight of the shield body 8, so that the fin stabilizer can be tightly clamped on the wall of the excavated tunnel; the fin type stabilizer comprises a driving part and a stabilizing part 1 which are arranged in a shield body, wherein one end of the stabilizing part 1 is hinged with the shield body 8, the other end of the stabilizing part 1 is hinged with the working end of the driving part 3, and the hinged point of the stabilizing part 1 and the shield body 8 deviates from the working direction of the working end of the driving part 3, so that the driving part 3 can push the stabilizing part 1 to rotate around the hinged point of the stabilizing part 1 and the shield body 8 through a direct drive mechanism; after the stabilizing piece 1 rotates and extends out of the shield body 8, the part of the stabilizing piece 1, which is in contact with the stratum, can be inserted into the soil body, and the shield body is stabilized by clamping the soil body, so that the shield body is prevented from rolling, the effect of stabilizing the shield machine is achieved, and the defect that the shield body stabilizing device in the prior art is only tightly supported on the soil body by virtue of friction force, and is easy to extrude, sink and press empty in a soft soil layer to cause incapability of use is overcome.
Further, as shown in fig. 2, the stabilizer 1 is a cam structure, so that the driving member can push the stabilizer to rotate to extend out of the shield body 8.
Further, as shown in fig. 2, the stabilizer 1 comprises a shark fin type stabilizer block, the shark fin type stabilizer block is hinged with the shield body 8 through a fin rotating pin shaft 2, so that the shark fin type stabilizer block can rotate, and the shark fin type stabilizer block is designed into a structure with a side area larger than the cross section, so that the shark fin type stabilizer block is unfolded from two sides of the shield body 8 like a shark fin and is gradually inserted into a soil body instead of tightly supporting a hole wall like the existing structure, so that the applicable stratum is wider; and the contact area between the side surface of the shark fin type stabilizing block and the soil body is large, so that the shield body can roll better.
Furthermore, as shown in fig. 3, the shark fin-shaped stabilizing block is provided with a cutting edge which cuts into a soil layer, so that the cutting of the soil layer is facilitated, and the shark fin-shaped structure can effectively reduce the resistance of the shield in the advancing process.
Further, as shown in fig. 2, the driving member 3 is a pushing cylinder, a fixed end of the pushing cylinder is hinged to the shield body 8 through a cylinder hinge seat, and a telescopic end of the pushing cylinder is hinged to the shark fin type stabilizing block through a direct drive mechanism, so that the pushing cylinder can rotate relative to the shield body 8 and the shark fin type stabilizing block in the process that the telescopic end of the pushing cylinder pushes the shark fin type stabilizing block to rotate, and the pushing cylinder is prevented from being stuck. In addition, a pressure sensor and a stroke sensor are arranged on the pushing oil cylinder and connected with an upper computer in the shield machine, the stress condition of the fin type stabilizing plate in a corresponding stratum is monitored in real time and fed back to a monitoring system of the upper computer, and the extending length of the fin type stabilizing block is adjusted as required by combining the data feedback of the stroke sensor. An inclination angle sensor is also arranged in the shield tunneling machine, and the extending state of the shark fin type stabilizing block can be automatically controlled according to the data feedback of the inclination angle sensor and the requirement in use, so that the shield body is ensured to keep a good posture; when the pressure of the tunneling stratum on the shark fin type stabilizing block is too large, the extending length of the shark fin type stabilizing block can be timely and automatically adjusted through the pressure sensor and the stroke sensor on the driving oil cylinder, adverse effects caused by the fact that the stabilizer is damaged by abnormal conditions are prevented, and the shark fin type stabilizing block has a good flexible buffering function.
Further, as shown in fig. 2, the movable end of the direct drive mechanism is connected to a hinged seat at the upper end of the shark fin type stabilizing block, and the shark fin type stabilizing block is connected with the telescopic end of the pushing oil cylinder through the hinged seat, so that even if the telescopic end of the pushing oil cylinder rotates relative to the shark fin type stabilizing block, the telescopic end of the pushing oil cylinder directly pushes the shark fin type stabilizing block to rotate.
Further, as shown in fig. 2 and fig. 3, a stabilizer housing 7 is further arranged on the shield body 8, the driving element and the stabilizer 1 are arranged in the stabilizer housing 7, the driving element and the shark fin-shaped stabilizer block are conveniently mounted through the stabilizer housing 7, and the stabilizer housing 7 can well support the shark fin-shaped stabilizer block; and the stabilizer shell 7 is provided with an outlet through which the stabilizer 1 extends out of the shield body 8, and the shield body 8 is provided with an opening communicated with the opening at a corresponding position, so that the shark fin type stabilizer block can extend out of the stabilizer shell 7 from the opening in the stabilizer shell 7 and is externally tangent to the shield body 1 into the soil layer under the driving of the driving piece.
Further, as shown in fig. 3, guide side plates 6 for guiding the shark fin type stabilizing block are arranged on two sides of the outlet, so that the guide side plates 6 are also positioned on two sides of the shark fin type stabilizing block, and since the driving member 3 is installed in the stabilizer housing 7, a gap is formed between two sides of the shark fin type stabilizing block and the stabilizer housing 7, and the guide side plates 6 are arranged on two sides of the outlet, so that the limiting and guiding effects on the shark fin type stabilizing block are achieved; furthermore, the guide side plate 6 is attached to the shark fin-shaped stabilizer block, preventing a large amount of soil and mud water outside the outlet from flowing into the interior of the stabilizer case 7.
Further, as shown in fig. 2, the stabilizer housing 7 is provided with an access opening, and an access door 5 is arranged on the access opening. A sealing strip is designed between the access door 5 and the stabilizer shell 7, so that the stabilizer shell 7 is separated from other parts inside the shield tunneling machine; when the stabilizer needs to be overhauled, the pushing oil cylinder and the shark fin type stabilizing block inside the stabilizer shell 7 are overhauled by detaching the access door 5. In addition, the access door 5 and the stabilizer housing 7 are in a bolt connection mode, so that the access door is convenient to overhaul.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a shield constructs machine fin formula stabilizer, its characterized in that, is including locating internal driving piece of shield and stabilizing member (1), stabilizing member (1) one end is articulated with the shield body (8), the other end is articulated with driving piece (3), just driving piece (3) are through directly driving mechanism promotion stabilizing member (1) and rotate and stretch out the shield body (8).
2. The fin stabilizer for shield machine according to claim 1, characterized in that the stabilizer (1) is a cam structure.
3. Fin stabilizer for shield machines according to claim 1 or 2, characterized in that the stabilizer (1) comprises a shark fin stabilizer block, which is articulated to the shield body (8) by means of a fin pivot pin (2).
4. The fin type stabilizer for the shield machine according to claim 3, wherein a cutting edge for cutting into a soil layer is formed on the shark fin type stabilizer block.
5. The fin type stabilizer for the shield machine according to claim 4, wherein the driving piece (3) is a pushing oil cylinder, the fixed end of the pushing oil cylinder is hinged with the shield body (8), and the telescopic end of the pushing oil cylinder is hinged with the shark fin type stabilizing block through a direct drive mechanism.
6. The fin type stabilizer for the shield machine according to claim 5, wherein the movable end of the direct drive mechanism is connected to a hinge seat of the shark fin type stabilizer block.
7. Fin stabilizer for shield tunneling machine according to claim 1, 2, 4, 5 or 6, wherein a stabilizer housing (7) is further provided on the shield body (8), the driving member and the stabilizer (1) are provided in the stabilizer housing (7), and an outlet for the stabilizer (1) to extend out of the shield body (8) is provided on the stabilizer housing (7).
8. Fin stabilizer for shield tunneling machine according to claim 7, characterized in that the exit is provided with guide side plates (6) on both sides to guide the shark fin stabilizer.
9. The fin stabilizer for shield tunneling machine according to claim 8, wherein the stabilizer housing (7) is provided with an access opening, and the access opening is provided with an access door (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022903861.4U CN214062963U (en) | 2020-12-07 | 2020-12-07 | Fin type stabilizer for shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022903861.4U CN214062963U (en) | 2020-12-07 | 2020-12-07 | Fin type stabilizer for shield machine |
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| Publication Number | Publication Date |
|---|---|
| CN214062963U true CN214062963U (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022903861.4U Active CN214062963U (en) | 2020-12-07 | 2020-12-07 | Fin type stabilizer for shield machine |
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| Country | Link |
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| CN (1) | CN214062963U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024124845A1 (en) * | 2022-12-12 | 2024-06-20 | 中铁山河工程装备股份有限公司 | Continuous propulsion system of shield tunneling machine, and shield tunneling machine having same |
-
2020
- 2020-12-07 CN CN202022903861.4U patent/CN214062963U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024124845A1 (en) * | 2022-12-12 | 2024-06-20 | 中铁山河工程装备股份有限公司 | Continuous propulsion system of shield tunneling machine, and shield tunneling machine having same |
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