CN109826638B - Hydraulic cylinder arrangement control mechanism for shield machine - Google Patents
Hydraulic cylinder arrangement control mechanism for shield machine Download PDFInfo
- Publication number
- CN109826638B CN109826638B CN201910066089.4A CN201910066089A CN109826638B CN 109826638 B CN109826638 B CN 109826638B CN 201910066089 A CN201910066089 A CN 201910066089A CN 109826638 B CN109826638 B CN 109826638B
- Authority
- CN
- China
- Prior art keywords
- hydraulic cylinder
- shield
- push
- shield body
- pull device
- 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.)
- Active
Links
Images
Abstract
The invention discloses a hydraulic cylinder arrangement control mechanism for a shield machine, which comprises a shield body, a partition plate, a hydraulic cylinder, a support frame and a push-pull device, wherein the support frame is arranged in the shield body and fixedly connected with the shield body; the hydraulic cylinder is arranged in a plurality of modes around the axis of the shield body, one end of the push-pull device is hinged with the hydraulic cylinder body, and the other end of the push-pull device is hinged on the support frame and used for rotating and adjusting the hydraulic cylinder around the axis of the shield body. The invention aims to provide a hydraulic cylinder arrangement control mechanism for a shield machine, wherein a shield propulsion system can change the position of a hydraulic cylinder in time in the process of tunneling a composite stratum so as to realize layout optimization, thereby improving the shield tunneling efficiency.
Description
Technical Field
The invention belongs to the technical field of tunnel engineering, and particularly relates to a hydraulic cylinder arrangement control mechanism for a shield machine.
Background
The shield propulsion system is used as a key component of the shield and plays a decisive influence on the construction quality of the shield tunnel. The propulsion system is used as a key component of the shield, and plays a decisive influence on the construction quality of the shield tunnel. The shield tunneling system mainly comprises a hydraulic cylinder and a power supply system which are uniformly and fixedly arranged along the circumference and closely attached to the peripheral position of the inner side of a shield shell, one end of the hydraulic cylinder is acted on a shield body to overcome the tunneling load of the shield during shield construction, the other end of the hydraulic cylinder pushes a pipe sheet which is installed at the rear, the mechanical jacking task of the whole shield is realized through the reaction force of the pipe sheet, the turning, curve advancing, posture control, deviation correction and synchronous movement in the shield tunneling process are completed, the hydraulic cylinder is an important link in the shield tunneling, and the decisive influence is exerted on the construction quality of a shield tunnel.
In the actual construction process of the shield, it is generally difficult to acquire sufficient and accurate mechanical data information of a constructed rock-soil object, the effect between the shield and a stratum during tunneling has randomness, and the existing partitioned shield propulsion system cannot well solve the unbalance loading phenomenon caused by the shield facing real-time geological conditions, dead weight of a cutter head, deviation correction and direction change due to the fixed quantity of hydraulic cylinders in each partition.
Disclosure of Invention
The invention aims to solve the problems and provides a hydraulic cylinder arrangement control mechanism for a shield machine, wherein a shield propulsion system can timely change the position of a hydraulic cylinder in the process of tunneling a composite stratum so as to realize layout optimization, thereby improving the shield tunneling efficiency.
In order to realize the purpose, the invention adopts the technical scheme that: a hydraulic cylinder arrangement control mechanism for a shield machine comprises a shield body, a partition plate, a hydraulic cylinder, a support frame and a push-pull device, wherein the support frame is arranged in the shield body and fixedly connected with the shield body; the hydraulic cylinder is arranged in a plurality of modes around the axis of the shield body, one end of the push-pull device is hinged with the hydraulic cylinder body, and the other end of the push-pull device is hinged on the support frame and used for rotating and adjusting the hydraulic cylinder around the axis of the shield body.
Furthermore, a rotatable lantern ring is sleeved on the hydraulic cylinder body, and one end of the push-pull device is connected with the lantern ring.
Furthermore, the side of the support frame is provided with a plurality of mounting columns which are arranged around the axis of the shield body, and the other end of the push-pull device is hinged with the mounting columns.
Furthermore, a lower fixing nut and an upper fixing nut which are matched through threads are arranged on the mounting column, and the lower fixing nut and the upper fixing nut are respectively arranged on two sides of a hinged joint of the push-pull device and the mounting column.
Further, the push-pull device is a bidirectional jack.
Furthermore, a pressure-resistant hard rubber layer is arranged on the surface of the partition plate, which is in contact with the hydraulic cylinder.
Furthermore, the slotted hole is an arc slotted hole.
The invention has the beneficial effects that:
1. the invention adopts the bidirectional jack to adjust the layout position of the propelling hydraulic cylinder, improves the thrust transfer characteristic, solves the unbalance loading phenomenon caused by the shield system when the loads such as real-time geological conditions, dead weight, turning and the like are changed, and increases the geological application range of the shield.
2. Compared with the traditional propulsion system, the propulsion system with the control mechanism can flexibly deal with different geological conditions during tunneling, the thrust of the hydraulic cylinder of the propulsion system in the shield system is more uniform, and the segment breakage is effectively avoided.
3. The invention adopts the bidirectional jack to drive the position of the propelling hydraulic cylinder, reduces the trouble of personnel adjustment, is safe and is convenient for automatic control.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention.
FIG. 2 is a schematic view of the enlarged structure of part A of the present invention.
Fig. 3 is a layout view of the hydraulic cylinder when the present invention is driving in a hard layer.
Fig. 4 is a layout view of the hydraulic cylinder when the invention is used for tunneling in a soft layer.
FIG. 5 is a schematic view showing the assembly relationship between the hydraulic cylinder and the support frame according to the present invention.
The text labels in the figures are represented as: 1. a cutter head; 2. a shield body; 3. a partition plate; 4. a hydraulic cylinder; 5. a support frame; 6. a slot; 7. a collar; 8. a push-pull device; 9. mounting a column; 10. a lower fixing nut; 11. an upper fixing nut; 12. supporting the boot; 13. a tube sheet.
Detailed Description
The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.
As shown in fig. 1 to 5, the specific structure of the present invention is: a hydraulic cylinder arrangement control mechanism for a shield machine comprises a shield body 2, a partition plate 3, a hydraulic cylinder 4, a support frame 5 and a push-pull device 8, wherein the shield body 2 is of an annular structure, a cutter head 1 for excavating is installed at the head end of the shield body 2, the support frame 5 is arranged in the shield body 2 and fixedly connected with the shield body 2, the partition plate 3 is arranged in the shield body 2, a slotted hole 6 is formed in the support frame 5 along the axial extension direction of the shield body 2, the slotted hole 6 is formed in the support frame 5 in a plurality in a mode of winding the axial line of the shield body 2, the hydraulic cylinder 4 penetrates through the slotted hole 6, one end of the hydraulic cylinder is padded on the side surface of the partition plate 3, the other end of the hydraulic cylinder is propped against a duct piece 13; the hydraulic cylinder 4 is arranged in a plurality of ways around the axis of the shield body 2, one end of the push-pull device 8 is hinged with the hydraulic cylinder 4, and the other end of the push-pull device is hinged on the support frame 5 and used for rotating and adjusting the hydraulic cylinder 4 around the axis of the shield body 2.
Preferably, the body of the hydraulic cylinder 4 is sleeved with a rotatable lantern ring 7, and one end of the push-pull device 8 is connected with the lantern ring 7.
Preferably, the side surface of the support frame 5 is provided with a plurality of mounting columns 9, the mounting columns 9 are arranged around the axis of the shield body 2, and the other end of the push-pull device 8 is hinged to the mounting columns 9.
Preferably, the mounting column 9 is provided with a lower fixing nut 10 and an upper fixing nut 11 which are in threaded fit, and the lower fixing nut 10 and the upper fixing nut 11 are respectively arranged on two sides of a hinge point of the push-pull device 8 and the mounting column 9.
Preferably, the push-pull device 8 is a bidirectional jack.
Preferably, a pressure-resistant hard rubber layer is arranged on the surface of the partition plate 3, which is in contact with the hydraulic cylinder 4.
Preferably, the slot 6 is a circular arc slot.
When the shield tunneling machine is used specifically, a shield tunneling machine encounters a heterogeneous rock stratum or a stratum which can generate a large resistance torque in the tunneling process, after tunneling is completed within a pipe ring distance, and when shield segments are assembled, the hydraulic cylinder 4 is pushed or pulled to slide in the slot hole 6 through the push-pull device 8, so that the layout phase of the hydraulic cylinder of the propulsion system in the circumferential adjustment slot is changed to eliminate unbalance loading and adapt to external loads.
In addition, the arc length of each slot 6 is related to the angle which the corresponding hydraulic cylinder 4 needs to adjust.
As shown in figure 3, when the shield machine is in a condition of uniform hard stratum, the hydraulic cylinders 4 are uniformly distributed in the slotted holes 6 of the support frame 5 to push the shield machine to advance.
As shown in fig. 4, when the shield machine is in a uniform soft stratum, the push-pull device 8 controls the hydraulic cylinders 4 in the dashed line frame to reach the lowest end of the slot 6, so as to form an upper-sparse lower-dense distribution and push the shield machine to drive forwards.
As shown in fig. 5, when the shield machine encounters a soft rock excavation environment in the advancing process, the layout phase angle θ of the hydraulic cylinders 4 is calculated according to geological data and external load conditions of the shield machine during operation, the calculated layout phase angle θ is subtracted from the current layout phase angle β to obtain the adjustment angle σ of each hydraulic cylinder 4, the telescopic length L of the push-pull device 8 is calculated according to the σ angle, the length L of the push-pull device 8 is adjusted to be extended or shortened, and the hydraulic cylinders 4 slide in the slotted holes 6 to reach the layout phase angle θ.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.
Claims (5)
1. A hydraulic cylinder arrangement control mechanism for a shield machine comprises a shield body (2), a partition plate (3), a hydraulic cylinder (4), a support frame (5) and a push-pull device (8), wherein the support frame (5) is arranged inside the shield body (2) and fixedly connected with the shield body, and the partition plate (3) is arranged in the shield body (2), and is characterized in that a slotted hole (6) is formed in the support frame (5) along the axial extension direction of the shield body (2), a plurality of slotted holes (6) are formed in the support frame (5) around the axial line of the shield body (2), the hydraulic cylinder (4) penetrates through the slotted hole (6), one end of the hydraulic cylinder is padded on the side surface of the partition plate (3), and the other end of the hydraulic cylinder is propped against a duct piece (13) through a supporting shoe; the plurality of hydraulic cylinders (4) are arranged around the axis of the shield body (2), one end of the push-pull device (8) is hinged with the hydraulic cylinder (4), and the other end of the push-pull device is hinged on the support frame (5) and is used for rotating and adjusting the hydraulic cylinder (4) around the axis of the shield body (2);
the push-pull device (8) is a bidirectional jack;
the slotted hole (6) is an arc slotted hole.
2. The hydraulic cylinder arrangement control mechanism for the shield tunneling machine according to claim 1, wherein a rotatable lantern ring (7) is sleeved on the body of the hydraulic cylinder (4), and one end of the push-pull device (8) is connected with the lantern ring (7).
3. The hydraulic cylinder arrangement control mechanism for the shield tunneling machine according to claim 2, wherein a plurality of mounting columns (9) are arranged on the side of the support frame (5), the mounting columns (9) are arranged around the axis of the shield body (2), and the other end of the push-pull device (8) is hinged to the mounting columns (9).
4. The hydraulic cylinder arrangement control mechanism for the shield tunneling machine according to claim 3, wherein a lower fixing nut (10) and an upper fixing nut (11) which are matched with each other through threads are arranged on the mounting column (9), and the lower fixing nut (10) and the upper fixing nut (11) are respectively arranged on two sides of a hinge point of the push-pull device (8) and the mounting column (9).
5. The hydraulic cylinder arrangement control mechanism for the shield tunneling machine according to claim 1, wherein a pressure-resistant hard rubber layer is arranged on the surface of the partition plate (3) contacting the hydraulic cylinder (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910066089.4A CN109826638B (en) | 2019-01-24 | 2019-01-24 | Hydraulic cylinder arrangement control mechanism for shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910066089.4A CN109826638B (en) | 2019-01-24 | 2019-01-24 | Hydraulic cylinder arrangement control mechanism for shield machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109826638A CN109826638A (en) | 2019-05-31 |
| CN109826638B true CN109826638B (en) | 2020-11-03 |
Family
ID=66862343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910066089.4A Active CN109826638B (en) | 2019-01-24 | 2019-01-24 | Hydraulic cylinder arrangement control mechanism for shield machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109826638B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116480356B (en) * | 2023-04-07 | 2024-01-26 | 中铁隧道股份有限公司 | Variable-resistance-based shield tunneling machine host translation device and application method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2296928Y (en) * | 1997-04-30 | 1998-11-11 | 胜利石油管理局胜利采油厂 | Automatic safety operator for oil field well-repairing hydraulic tongs |
| CN101285387A (en) * | 2008-05-22 | 2008-10-15 | 清华大学 | Propelling plant for earth pressure balancing shield |
| CN101649743A (en) * | 2009-09-09 | 2010-02-17 | 清华大学 | Adjustable propulsion mechanism for soil pressure balance type shield |
| CN103195436A (en) * | 2013-03-28 | 2013-07-10 | 上海隧道工程股份有限公司 | Combined hinging device for shield tunneling machine |
| CN107420111A (en) * | 2017-07-12 | 2017-12-01 | 中交第二航务工程局有限公司 | Adjust the servicing unit and its construction of shield machine hinged oil cylinder hinge angle |
| CN206723175U (en) * | 2017-03-21 | 2017-12-08 | 武汉善福重型机床有限公司 | A kind of shield machine thrust oil cylinder drift angle adjusting means |
| CN108756905A (en) * | 2018-07-19 | 2018-11-06 | 中国铁建重工集团有限公司 | Shield machine and its double shields support shoe apparatus |
| CN109026041A (en) * | 2018-08-06 | 2018-12-18 | 湖南科技大学 | A kind of shield propelling system control method for anti-bias load |
| CN109209411A (en) * | 2018-09-14 | 2019-01-15 | 湖南科技大学 | A kind of controllable propulsion system for earth pressure balanced shield, EPBS |
-
2019
- 2019-01-24 CN CN201910066089.4A patent/CN109826638B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2296928Y (en) * | 1997-04-30 | 1998-11-11 | 胜利石油管理局胜利采油厂 | Automatic safety operator for oil field well-repairing hydraulic tongs |
| CN101285387A (en) * | 2008-05-22 | 2008-10-15 | 清华大学 | Propelling plant for earth pressure balancing shield |
| CN101649743A (en) * | 2009-09-09 | 2010-02-17 | 清华大学 | Adjustable propulsion mechanism for soil pressure balance type shield |
| CN103195436A (en) * | 2013-03-28 | 2013-07-10 | 上海隧道工程股份有限公司 | Combined hinging device for shield tunneling machine |
| CN206723175U (en) * | 2017-03-21 | 2017-12-08 | 武汉善福重型机床有限公司 | A kind of shield machine thrust oil cylinder drift angle adjusting means |
| CN107420111A (en) * | 2017-07-12 | 2017-12-01 | 中交第二航务工程局有限公司 | Adjust the servicing unit and its construction of shield machine hinged oil cylinder hinge angle |
| CN108756905A (en) * | 2018-07-19 | 2018-11-06 | 中国铁建重工集团有限公司 | Shield machine and its double shields support shoe apparatus |
| CN109026041A (en) * | 2018-08-06 | 2018-12-18 | 湖南科技大学 | A kind of shield propelling system control method for anti-bias load |
| CN109209411A (en) * | 2018-09-14 | 2019-01-15 | 湖南科技大学 | A kind of controllable propulsion system for earth pressure balanced shield, EPBS |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109826638A (en) | 2019-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103343691A (en) | Posture adjusting device of minitype shield tunneling machine | |
| CN109826638B (en) | Hydraulic cylinder arrangement control mechanism for shield machine | |
| CN108756905B (en) | Shield machine and double-shield support shoe device thereof | |
| CN203362169U (en) | Attitude adjusting device of miniature shield machine | |
| CN203050698U (en) | Feed mechanism for mine drilling tunnelling | |
| CN106761405A (en) | A kind of high-accuracy multifunctional horizontal spiral drilling machine | |
| CN113027499B (en) | Anchor rod trolley and anchor rod mechanism thereof | |
| CN208137846U (en) | Water drilling drilling machine mounting structure is adjusted in rotating disc type | |
| CN106786191B (en) | A kind of bottom cable laying device | |
| CN217300611U (en) | Six-freedom-degree mechanism of assembling machine | |
| CN104117821B (en) | The working method of a kind of super large-scale cylinder | |
| CN102699614A (en) | Hydraulic assembling machine | |
| CN105502091A (en) | Magnetically-controlled wire unwinding spindle | |
| CN209924926U (en) | Propelling beam assembly for drilling blast holes on periphery of tunnel | |
| CN113404931B (en) | Pipe jacking construction device for sludge soil | |
| CN104143793B (en) | A kind of three-phase combined type conducting rod assembly tooling | |
| CN108457596A (en) | It is a kind of to bore Self-sinking type borehole wall guard system certainly | |
| CN217055168U (en) | Rotation prevention device for large-diameter pipe jacking machine head | |
| CN211623339U (en) | Advanced small catheter support | |
| CN216741526U (en) | Novel hydraulic telescopic reaction frame for launching in double-shield TBM (tunnel boring machine) | |
| CN210033439U (en) | Propelling device capable of automatically rectifying deviation of shield machine | |
| CN216553789U (en) | Multi-degree-of-freedom moving device for anchor rod drilling machine | |
| CN207017490U (en) | A kind of collapsible isolated wall plate based on building intellectualization installing engineering | |
| CN204901063U (en) | Telescopic line cable frame | |
| CN206267786U (en) | A kind of long stroke is fed rock-core borer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |