CN214577014U - Three-cylinder shield machine capable of continuous operation - Google Patents
Three-cylinder shield machine capable of continuous operation Download PDFInfo
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- CN214577014U CN214577014U CN202023294887.XU CN202023294887U CN214577014U CN 214577014 U CN214577014 U CN 214577014U CN 202023294887 U CN202023294887 U CN 202023294887U CN 214577014 U CN214577014 U CN 214577014U
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Abstract
The utility model discloses a but three hydro-cylinder shield of continuous operation construct machine, including the front shield, the tail shield, anterior hydro-cylinder, middle hydro-cylinder, rear portion hydro-cylinder and interior structure, be connected with anterior hydro-cylinder between front shield and the tail shield, interior structure is located the tail shield inside and can slide around rather than, the tail end and the interior structural connection of middle hydro-cylinder, the front end selectivity of middle hydro-cylinder is connected with front shield or tail shield, the connection of after section of thick bamboo of interior structure has the rear portion hydro-cylinder, the afterbody of rear portion hydro-cylinder supports on assembling the section of jurisdiction, anterior hydro-cylinder is used as articulated hydro-cylinder, middle hydro-cylinder is used for advancing, the rear portion hydro-cylinder is used for assembling the section of jurisdiction and advances. The utility model provides a but three hydro-cylinders of continuity of operation shield constructs machine can satisfy the shield and construct the machine tunnelling and assemble synchronous continuous tunnelling operation, and can realize initiative articulated, passive articulated fast switch over.
Description
Technical Field
The utility model relates to a shield constructs quick-witted technical field, especially relates to a but three hydro-cylinders of continuity of operation shield constructs machine.
Background
In recent years, it is desired to increase the construction speed of the shield machine in order to reduce the construction cost of the shield tunnel and save the construction time.
The propelling and assembling of the existing shield machine are carried out intermittently and wrongly, the propelling and assembling of the shield machine cannot be synchronous, and the construction of the shield machine is discontinuous. In addition, the conventional shield machine cannot realize the mutual switching of active articulation and passive articulation, and cannot provide multiple options for shield tunneling and attitude control. Meanwhile, in the existing synchronous construction concept, the shield posture can be adjusted only through the hinged oil cylinder, the posture can not be continuously adjusted through the middle oil cylinder, and the shield posture is not easy to control.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a but three hydro-cylinders of continuity of operation shield constructs machine aims at satisfying the shield and constructs quick-witted continuous tunnelling operation, and can realize initiative articulated, the articulated fast switch-over passively.
In order to achieve the above object, the utility model provides a three-cylinder shield machine capable of continuous operation, which comprises a front shield, a tail shield, a front oil cylinder, a middle oil cylinder, a rear oil cylinder and an inner structure body, wherein,
the shield tunneling machine is characterized in that a front oil cylinder is connected between the front shield and the tail shield, the inner structure body is located inside the tail shield and can slide back and forth relative to the tail shield, the tail end of the middle oil cylinder is connected with the inner structure body, the front end of the middle oil cylinder is selectively connected with the front shield or the tail shield, the tail of the inner structure body is connected with a rear oil cylinder, the tail of the rear oil cylinder is supported on an assembled pipe piece, the front oil cylinder is used as a hinged oil cylinder, the middle oil cylinder is used for propelling, the rear oil cylinder is used for assembling the pipe piece and propelling, the coordinated action of three groups of oil cylinders is pushed, and the continuous tunneling of the shield tunneling machine is realized.
Preferably, both ends of the front oil cylinder are hinged with the front shield and the tail shield.
Preferably, the middle oil cylinder is detachably connected with the front shield or the tail shield.
Preferably, the front end of the middle oil cylinder is detachably connected with the front shield or the tail shield through a bolt.
Preferably, a plurality of lug plates for the bolt to pass through are arranged on the front shield and the tail shield.
Preferably, the tail shield is provided with a through hole for the oil cylinder rod of the middle oil cylinder to pass through, and the lug plate is arranged on the outer edge of the through hole in the tail shield.
Preferably, a plurality of front oil cylinders are connected between the front shield and the tail shield, and a plurality of middle oil cylinders are connected between the inner structure and the front shield.
Preferably, the three-cylinder shield tunneling machine capable of continuous operation further comprises a control mechanism for adjusting the stroke of the middle cylinder in different partitions to generate different cylinder stroke differences so as to adjust the shield posture, and the control mechanism is electrically connected with an oil supply system of the middle cylinder.
The utility model provides a three hydro-cylinder shield constructs machine can carry out the shield simultaneously and tunnel and assemble with the section of jurisdiction, through the cooperative operation of three hydro-cylinders of group, can realize the continuous quick tunnelling of shield tunnel, shortens shield tunnel construction period, practices thrift construction cost. Meanwhile, the problem that the posture cannot be continuously adjusted through the middle oil cylinder in the existing synchronous construction concept is solved, and the shield direction adjusting requirement can be better met. Moreover, the three-oil-cylinder shield tunneling machine can realize the quick switching of active hinging and passive hinging, and can better adapt to the tunneling requirements of different stratums.
Drawings
FIG. 1 is a schematic structural view of a three-cylinder shield tunneling machine capable of continuous operation according to the present invention;
FIG. 2 is a schematic view of the synchronous construction process of the three-cylinder shield tunneling machine capable of continuous operation;
FIG. 3 is a schematic structural view of the continuously operable three-cylinder shield tunneling machine in a passive articulated state;
fig. 4 is the schematic structural diagram of the three-cylinder shield tunneling machine capable of continuous operation in the active articulated state.
In the figure, 1-front shield, 2-tail shield, 3-front oil cylinder, 4-middle oil cylinder, 5-rear oil cylinder and 6-inner structure body.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that, in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 4, in the preferred embodiment, a three-cylinder shield machine capable of continuous operation includes a front shield 1, a rear shield 2, a front cylinder 3, a middle cylinder 4, a rear cylinder 5, and an inner structure 6, wherein,
a front oil cylinder 3 is connected between a front shield 1 and a tail shield 2, an inner structure body 6 is positioned in the tail shield 2 and can slide back and forth relative to the inner structure body, the tail end of a middle oil cylinder 4 is connected with the inner structure body 6, the front end of the middle oil cylinder 4 is selectively connected with the tail end of the front shield 1 or the front end of the tail shield 2, the tail of the inner structure body 6 is connected with a rear oil cylinder 5, the tail of the rear oil cylinder 5 is supported on an assembled duct piece, the front oil cylinder 3 is used as a hinged oil cylinder, the middle oil cylinder 4 is used for propelling, the rear oil cylinder 5 is used for assembling duct pieces and propelling, the three groups of oil cylinders are pushed to perform coordinated action, and continuous tunneling of the shield tunneling machine is realized.
Specifically, in the present embodiment, both ends of the front cylinder 3 are hinged to the front shield 1 and the tail shield 2.
The middle oil cylinder 4 is detachably connected with the front shield 1 or the tail shield 2, so that the connecting position of the middle oil cylinder 4 can be adjusted conveniently. Specifically, the front end of the middle oil cylinder 4 is detachably connected with the front shield 1 or the tail shield 2 through a bolt. The oil cylinder rod at the front end of the middle oil cylinder 4 is connected through a bolt, so that the quick-change-over device is convenient and quick to disassemble, and can realize quick switching in a hole, thereby providing multiple choices for the tunneling control of the shield tunneling machine.
Specifically, the front shield 1 and the tail shield 2 are respectively provided with a plurality of lug plates for the bolt to pass through. The bolt passes through the lug plate and the oil cylinder rod of the middle oil cylinder 4, so that the middle oil cylinder 4 is installed.
The ear plate of the anterior shield 1 is arranged at the rear end thereof. The tail shield 2 is provided with a through hole for the oil cylinder rod of the middle oil cylinder 4 to pass through, and the through hole is positioned on the outer edge inside the tail shield 2 and is provided with an ear plate.
Furthermore, a plurality of front oil cylinders 3 are connected between the front shield 1 and the tail shield 2, and a plurality of middle oil cylinders 4 are connected between the inner structure 6 and the front shield 1.
Furthermore, the three-cylinder shield machine capable of continuous operation further comprises a control mechanism for adjusting the stroke of the middle cylinder 4 in different partitions so as to generate different cylinder stroke differences to adjust the shield posture, and the control mechanism is electrically connected with an oil supply system of the middle cylinder 4. In the tunneling process, different oil cylinder stroke differences are generated by adjusting the strokes of the middle oil cylinders 4 in different partitions, and then the actions of the front oil cylinder 3 are matched, so that the attitude control of the shield tunneling machine in the propelling process is better realized.
The shield machine can be switched from a continuous tunneling mode to a conventional tunneling mode, namely, the middle oil cylinder 4 can be locked, the rear oil cylinder 5 is adopted for propulsion, the working mode of the conventional shield machine for propelling and assembling the duct piece intermittently is restored, and high reliability can be exerted in long-distance construction.
This but three hydro-cylinder shield machines of continuity of operation, through the concerted action of three hydro-cylinders of group, realize that the shield advances and the synchronous of section of jurisdiction assembly goes on, realize the shield promptly and construct the machine and tunnel the time of tunnelling, specifically include the following step:
1. in the initial state, as shown in state 1 of fig. 2, the middle cylinder 4 is fully retracted, the rear cylinder 5 is fully extended, and the inner structure 6 is located at the front end of the tail shield 2.
2. The middle oil cylinder 4 begins to extend out to drive the front shield 1, the front oil cylinder 3 and the tail shield 2 to tunnel forwards together; meanwhile, part of the rear oil cylinders 5 begin to retract, the segments are assembled by matching with the segment assembling machine, and the position of the inner structure body 6 is kept unchanged. When assembling the segment, only withdraw a small part of rear portion hydro-cylinder 5 that a segment corresponds, all the other most of rear portion hydro-cylinders 5 still support on the segment that forms the ring, treat this segment and assemble the completion back, the corresponding small part of rear portion hydro-cylinder 5 withstands the segment again, assemble in proper order until the whole ring segment is assembled and is accomplished.
3. As shown in the state 2, the segment assembly is completed completely, the rear oil cylinder 5 retracts completely, and the middle oil cylinder 4 extends in place.
4. The rear oil cylinder 5 begins to extend out to drive the inner structure body 6 to move forwards and reset, the middle oil cylinder 4 retracts synchronously, and after the resetting is finished, the state 1 is entered, and the next cycle is entered.
As shown in fig. 3 and 4, the force transmission point of the middle cylinder 4 can be changed to change the stress state of the front cylinder 3, so as to realize the state switching between the active propulsion and the passive traction of the front cylinder 3: when the acting point of the front end of the middle oil cylinder 4 is at the front end of the front oil cylinder 3 (namely the front end of the middle oil cylinder 4 is connected with the front shield 1), the front oil cylinder 3 bears the pulling force in the tunneling process, and the front shield 1 and the tail shield 2 are connected in a passive hinged mode; when the acting point of the front end of the middle oil cylinder 4 is at the rear end of the front oil cylinder 3 (namely, the front end of the middle oil cylinder 4 is connected with the rear shield), the front oil cylinder 3 bears the thrust in the tunneling process, and the front shield 1 and the rear shield 2 are in active hinge connection.
The three-oil-cylinder shield tunneling machine provided by the embodiment can simultaneously carry out shield tunneling and segment splicing, can realize continuous and rapid tunneling of the shield tunnel through cooperative operation of three groups of oil cylinders, shortens the construction period of the shield tunnel and saves the construction cost. Meanwhile, the problem that the posture cannot be continuously adjusted through the middle oil cylinder 4 in the existing synchronous construction concept is solved, and the shield direction adjusting requirement can be better met. Moreover, the three-oil-cylinder shield tunneling machine can realize the quick switching of active hinging and passive hinging, and can better adapt to the tunneling requirements of different stratums.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structural changes made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (8)
1. A three-oil-cylinder shield machine capable of continuous operation is characterized by comprising a front shield, a tail shield, a front oil cylinder, a middle oil cylinder, a rear oil cylinder and an inner structure body, wherein,
the shield tunneling machine is characterized in that a front oil cylinder is connected between the front shield and the tail shield, the inner structure body is located inside the tail shield and can slide back and forth relative to the tail shield, the tail end of the middle oil cylinder is connected with the inner structure body, the front end of the middle oil cylinder is selectively connected with the front shield or the tail shield, the tail of the inner structure body is connected with a rear oil cylinder, the tail of the rear oil cylinder is supported on an assembled pipe piece, the front oil cylinder is used as a hinged oil cylinder, the middle oil cylinder is used for propelling, the rear oil cylinder is used for assembling the pipe piece and propelling, the coordinated action of three groups of oil cylinders is pushed, and the continuous tunneling of the shield tunneling machine is realized.
2. A continuously operable three-cylinder shield tunneling machine according to claim 1, wherein both ends of said front cylinder are hinged to a front shield and a rear shield.
3. A continuously operable three-cylinder shield tunneling machine according to claim 1, wherein said intermediate cylinder is detachably connected to the front shield or the tail shield.
4. A continuously operable three-cylinder shield tunneling machine according to claim 3, wherein the front end of said intermediate cylinder is detachably connected to the front shield or the rear shield by means of a pin.
5. A continuously working three-cylinder shield tunneling machine according to claim 4, wherein said front shield and said tail shield each have a plurality of lugs for receiving a bolt therethrough.
6. The three-cylinder shield tunneling machine capable of continuous operation according to claim 5, wherein the tail shield is provided with a through hole for the rod of the middle cylinder to pass through, and the lug plate is arranged on the outer edge of the through hole positioned in the tail shield.
7. The three-cylinder shield tunneling machine capable of continuous operation according to claim 1, wherein a plurality of front cylinders are connected between the front shield and the rear shield, and a plurality of intermediate cylinders are connected between the inner structure and the front shield.
8. The three-cylinder shield tunneling machine according to any one of claims 1 to 7, further comprising a control mechanism for adjusting the stroke of the middle cylinder in different zones to generate different cylinder stroke differences to adjust the shield attitude, wherein the control mechanism is electrically connected to the oil supply system of the middle cylinder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023294887.XU CN214577014U (en) | 2020-12-31 | 2020-12-31 | Three-cylinder shield machine capable of continuous operation |
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| CN202023294887.XU CN214577014U (en) | 2020-12-31 | 2020-12-31 | Three-cylinder shield machine capable of continuous operation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116591700A (en) * | 2023-06-01 | 2023-08-15 | 中国矿业大学(北京) | TBM system suitable for soft rock tunnel and rock burst tunnel and construction method |
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2020
- 2020-12-31 CN CN202023294887.XU patent/CN214577014U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116591700A (en) * | 2023-06-01 | 2023-08-15 | 中国矿业大学(北京) | TBM system suitable for soft rock tunnel and rock burst tunnel and construction method |
| CN116591700B (en) * | 2023-06-01 | 2024-04-16 | 中国矿业大学(北京) | TBM system suitable for soft rock tunnel and rock burst tunnel and construction method |
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