CN112962548A - One-time paving and forming device for tunnel arc-shaped bottom plate of diversion project and construction method of one-time paving and forming device - Google Patents

One-time paving and forming device for tunnel arc-shaped bottom plate of diversion project and construction method of one-time paving and forming device Download PDF

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Publication number
CN112962548A
CN112962548A CN202110154844.1A CN202110154844A CN112962548A CN 112962548 A CN112962548 A CN 112962548A CN 202110154844 A CN202110154844 A CN 202110154844A CN 112962548 A CN112962548 A CN 112962548A
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China
Prior art keywords
chain
die
spreading
arc
driving motor
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CN202110154844.1A
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Chinese (zh)
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CN112962548B (en
Inventor
陈武林
陆敬忠
彭学军
刘丽
魏波
黄玉鹏
康仲
尹来容
汤宇
凌涛
徐井军
刘冬雯
杨自刚
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Changsha University of Science and Technology
China Railway No 5 Engineering Group Co Ltd
First Engineering Co Ltd of China Railway No 5 Engineering Group Co Ltd
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Changsha University of Science and Technology
China Railway No 5 Engineering Group Co Ltd
First Engineering Co Ltd of China Railway No 5 Engineering Group Co Ltd
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Application filed by Changsha University of Science and Technology, China Railway No 5 Engineering Group Co Ltd, First Engineering Co Ltd of China Railway No 5 Engineering Group Co Ltd filed Critical Changsha University of Science and Technology
Priority to CN202110154844.1A priority Critical patent/CN112962548B/en
Publication of CN112962548A publication Critical patent/CN112962548A/en
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
    • E02B9/02—Water-ways
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
    • E02B9/02—Water-ways
    • E02B9/04—Free-flow canals or flumes; Intakes
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00—Handling building or like materials for hydraulic engineering or foundations
    • E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00—Production methods
    • E02D2250/0007—Production methods using a mold
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Road Paving Machines (AREA)

Abstract

The invention provides a device for one-time paving and forming of an arc-shaped bottom plate of a water diversion engineering tunnel and a construction method thereof, and belongs to the technical field of tunnel construction machinery. The method comprises the following steps: the small side wall template is a walking track laid on the small side wall template, and the walking track is connected with the small side wall template through bolts at two ends; the driving motor reducer is arranged on the outer side of the driving motor box; the chain guide wheel is arranged in the walking track and the driving motor box; a bulkhead beam; the two ends of the die spreading are respectively connected with the die spreading travelling trolley through pin shafts; the driving chain wheel is arranged in the driving motor box and connected with the driving motor reducer; and the chain is meshed with the chain guide wheel and is connected with the die-spreading walking trolley and the driving chain wheel. The device provided by the invention has a simple structure, is convenient to use, realizes one-time paving and forming in the longitudinal direction, improves the construction efficiency, reduces the labor intensity of workers, ensures the construction quality and reduces the construction cost.

Description

One-time paving and forming device for tunnel arc-shaped bottom plate of diversion project and construction method of one-time paving and forming device
Technical Field
The invention relates to the technical field of tunnel construction machinery, in particular to a device for one-time paving and forming of an arc-shaped bottom plate of a water diversion engineering tunnel and a construction method thereof.
Background
Diversion engineering tunnel arc bottom plate construction that traditional construction was used is landing stage integral type construction, and the little template of arc is adopted in both sides, and the template is spread to the centre by both sides during the construction, and this kind of mode of paving divides to go on many times, and the speed of paving is slow, and the template of paving need hang on the crossbeam of landing stage in addition, needs sufficient construction space, and the equipment structure that adopts this kind of mode construction is complicated, heavy, the cost drops into great, and the process is complicated, is not suitable for small cross section diversion engineering tunnel arc bottom plate construction.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects in the prior art, so that the device for paving and forming the arc-shaped bottom plate of the water diversion engineering tunnel at one time is provided, the device is light in weight and simple and convenient to operate, automatic paving is realized, the working efficiency is improved, and the waste of resources such as manpower and equipment is reduced.
A device for diversion engineering tunnel arc bottom plate one-time paving shaping includes: a small side wall template;
the walking track is connected with the small side wall template through bolts at two ends and laid on the small side wall template;
the driving motor box is arranged above the walking track;
the driving motor reducer is arranged on the outer side of the driving motor box;
the chain guide wheel is arranged in the walking track and the driving motor box;
the plug beam is fixedly connected to the small side wall template through bolts;
the two ends of the die spreading are respectively connected with the die spreading travelling trolley through pin shafts;
the die-spreading walking trolley is arranged above the small side wall template and is connected with a chain;
the front support jack is arranged in front of the small side wall template;
the rear supporting jack is arranged behind the small side wall template;
the driving chain wheel is arranged in the driving motor box and is connected with the driving motor reducer;
and the chain is meshed with the chain guide wheel, is connected with the driving chain wheel and the die-sharing travelling trolley and is used for driving the die-sharing travelling trolley to move.
Further, a front chain tensioning bolt is fixedly connected to the front end of the die-spreading walking trolley; the rear end is fixedly connected with a rear chain tensioning bolt.
Furthermore, one end of the chain is connected with the front chain tensioning bolt, and the other end of the chain is connected with the rear chain tensioning bolt.
Further, the die is of an arc-shaped frame structure.
Furthermore, the plug beam is of an arc-shaped frame structure.
Further, the lower arc surface of the mold spreading is overlapped with the upper arc surface of the plug beam.
Further, a plurality of chain guide wheels are installed in the walking track and the driving motor box, wherein the chain guide wheels in the walking track provide guide tracks for the chain.
Further, the mold-spreading walking trolley is arranged below the walking track.
The invention also provides a construction method for paving and molding the arc-shaped bottom plate of the diversion tunnel at one time, which adopts the device for construction and comprises the following concrete steps: after concrete is poured in place, a driving motor reducer is started to drive a driving chain wheel to rotate, so that a chain drives a die-spreading travelling trolley to move forwards, the whole die is driven to move forwards to carry out paving operation, concrete is paved into an arc structure consistent with the radian of the die, the concrete is paved to a plug beam, and the concrete with the excess part is scraped off, so that paving construction of one section is completed; after a section is constructed, the front excavator and the rear excavator respectively lift the whole spreading device to the next spreading section, the driving motor speed reducer is started to rotate reversely, the chain guide wheel rotates in the reverse direction, the spreading die walking trolley drives the spreading die to move backwards to the next spreading position, and the construction steps are repeated.
The technical scheme of the invention has the following advantages:
the device for one-time paving and forming of the tunnel arc-shaped bottom plate of the diversion project and the construction method thereof have the advantages that the structure is simple, the paving mode of the traditional tunnel arc-shaped bottom plate is changed, the die walking trolley is driven by the chain driven by the motor, the automatic paving is realized, the die integrally moves forwards and backwards, the integral paving is realized, the construction speed is high, and the operation is simple.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of an apparatus provided in a first embodiment of the present invention;
FIG. 2 is a front view of the device shown in FIG. 1;
FIG. 3 is a side view of the device shown in FIG. 1;
FIG. 4 is a schematic structural diagram of an apparatus provided in a second embodiment of the present invention;
FIG. 5 is an enlarged view of a portion of the carriage of FIG. 4;
description of reference numerals:
1. a small side wall template; 2. a traveling rail; 3. a drive motor case; 4. driving a motor reducer; 5. a chain guide wheel; 6. a bulkhead beam; 7. spreading the mold; 8. a mould-spreading walking trolley; 9. a front chain tensioning bolt; 10. a rear chain tensioning bolt; 11. a front support jack; 12. a rear support jack; 13. a drive sprocket; 14. and a chain.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
A device for one-time paving and forming of an arc-shaped bottom plate of a water diversion engineering tunnel is shown in figures 1, 2 and 3 and comprises the following components: a small side wall template 1;
the walking track 2 is laid on the small side wall formwork 1 and connected with the small side wall formwork 1 through bolts at two ends;
the driving motor box 3 is arranged above the walking track 2;
the driving motor reducer 4 is arranged on the outer side of the driving motor box 3;
the chain guide wheel 5 is arranged in the walking track 2 and the driving motor box 3;
the plug beam 6 is fixedly connected with the small side wall template 1 through bolts;
the two ends of the die spreading 7 are respectively connected with a die spreading walking trolley 8 through pin shafts;
the die-spreading walking trolley 8 is arranged above the small side wall template 1 and is connected with a chain 14;
the front supporting jack 11 is arranged in front of the small side wall template 1;
the rear supporting jack 12 is arranged behind the small side wall template 1;
the driving chain wheel 13 is arranged inside the driving motor box 3 and is connected with the driving motor reducer 4;
and the chain 14 is meshed with the chain guide wheel 5, is connected with the driving chain wheel 13 and the die-sharing travelling trolley 8, and is used for driving the die-sharing travelling trolley 8 by the driving motor speed reducer 4.
Further, a front chain tensioning bolt 9 is fixedly connected to the front end of the mold-spreading walking trolley 8; the rear end is fixedly connected with a rear chain tensioning bolt 10.
Further, the chain 14 is connected at one end to the front chain tensioning bolt 9 and at the other end to the rear chain tensioning bolt 10.
Further, the die 7 is of an arc-shaped frame structure.
Further, the choke plug beam 6 is of an arc-shaped frame structure.
Further, the lower arc surface of the spreading die 7 is overlapped with the upper arc surface of the plug beam 6.
Further, a plurality of chain guide wheels 5 are installed in the traveling rail 2 and the driving motor case 3, wherein the plurality of chain guide wheels 5 in the traveling rail 2 provide a guide rail for the chain 14.
Further, the mold-spreading traveling trolley 8 is arranged below the traveling rail 2.
Example 2
As shown in fig. 1, 2 and 3, the device for one-step paving and forming of the tunnel bottom plate of the diversion project comprises a small side wall template 1, a walking track 2, a driving motor box 3, a driving motor reducer 4, a chain guide wheel 5, a plug beam 6, a spreading mold 7, a spreading mold walking trolley 8, a front chain tensioning bolt 9, a rear chain tensioning bolt 10, a front support jack 11, a rear support jack 12, a driving chain wheel 13 and a chain 14. 7 both ends of stand mould are connected with stand mould walking dolly 8 respectively and become one whole, and stand mould walking dolly 8 is installed in 1 top of little side wall template, and walking track 2 is connected with through 1 both ends of bolt little side wall template, and walking track 2 is installed in 8 tops of stand mould walking dolly, and driving motor case 3 is installed in walking track 2 top, and driving motor speed reducer 4 is installed in the driving motor case 3 outside. The plug beam 6 is connected with the small side wall templates 1 on the two sides through bolts. The front supporting jack 11 is supported in the front of the small side wall formwork 1, the rear supporting jack 12 is supported in the rear of the small side wall formwork 1, the driving chain wheel 13 is installed in the driving motor box 3, the front and rear ends of the die-sharing walking trolley 8 are respectively provided with the front chain tensioning bolt 9 and the rear chain tensioning bolt 10, one end of the chain 14 is connected with the front chain tensioning bolt 9, one end of the chain is connected with the rear chain tensioning bolt 10, the chain 14 is meshed with the chain gear 5, the die-sharing is processed into an arc-shaped frame structure, the plug beam is processed into the arc-shaped frame structure, and the arc surface under the die-sharing coincides with the arc surface on the plug beam.
Specifically, install a plurality of chain leading wheels 5 in walking track 2 and the driving motor case 3, the chain leading wheel provides the guide rail for the chain in the walking track 2.
Specifically, the chain 14 is connected at one end to the chain front tensioning bolt 9 and at one end to the rear chain tensioning bolt 10, the chain 14 engaging the chain gear 5, the chain 14 forming a circumferential closed system.
Specifically, the mold-spreading walking trolley 8 is installed above the small side wall template 1, and the small side wall template 1 provides a walking track for the mold-spreading walking trolley 8.
Specifically, the driving motor reducer 4 drives the driving sprocket 13 to rotate.
Further, the driving sprocket 13 rotates the chain 14.
Further, the chain 14 drives the mold-spreading walking trolley 8 to move back and forth.
Furthermore, the walking track 2 is arranged above the die-spreading walking trolley 8, and can limit the upward movement of the die-spreading during the spreading.
Example 3
On the basis of the above embodiment, as shown in fig. 4 and 5, a device for one-step paving and forming of an arc-shaped bottom plate of a water diversion tunnel further includes: two driving motor boxes 3 arranged above two ends of the walking track 2;
the outer sides of the two driving motor boxes 3 are respectively provided with a driving motor reducer 4;
one driving motor speed reducer 4 is connected with one chain 14 through one driving chain wheel 13, one chain 14 is connected with one mold-sharing walking trolley 8, the other driving motor speed reducer 4 is connected with the other chain 14 through the other driving chain wheel 13, and the other chain 14 is connected with the other mold-sharing walking trolley 8.
Further, a front chain tensioning bolt 9 is fixedly connected to the front end of the mold-spreading walking trolley 8; the rear end is fixedly connected with a rear chain tensioning bolt 10.
Further, the chain 14 is connected at one end to the front chain tensioning bolt 9 and at the other end to the rear chain tensioning bolt 10.
The construction method of the device comprises the following steps:
after concrete is poured in place, the driving motor reducer 4 is started to drive the driving chain wheel 13 to rotate, the chain 14 drives the die-spreading travelling trolley 8 to move forwards, the travelling trolley 8 drives the die-spreading 7 to move forwards integrally to perform spreading operation, concrete is spread into an arc structure consistent with the radian of the die-spreading 7 and spread to the plug beam 6, the concrete exceeding the plug beam 6 is scraped, and then a section of spreading construction is completed. After a section is constructed, the front excavator and the rear excavator respectively lift the whole spreading device to the next spreading section, the driving motor reducer 4 is started to rotate reversely, the guide wheel 5 rotates reversely, the spreading die walking trolley 8 drives the spreading die 7 to move backwards to the next spreading position, and the construction steps are repeated.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (9)

1. A device for one-time paving and forming of an arc-shaped bottom plate of a tunnel in a diversion project is characterized by comprising a small side wall template (1);
the walking track (2) is laid on the small side wall formwork (1) and connected with the small side wall formwork (1) through bolts at two ends;
the driving motor box (3) is arranged above the walking track (2);
the driving motor speed reducer (4) is arranged on the outer side of the driving motor box (3);
a chain guide wheel (5) arranged in the traveling rail (2) and the driving motor case (3);
the plug beam (6) is fixedly connected with the small side wall template (1) through bolts;
the two ends of the die spreading (7) are respectively connected with a die spreading travelling trolley (8) through pin shafts;
the die-spreading walking trolley (8) is arranged above the small side wall template (1) and is connected with a chain (14);
the front supporting jack (11) is arranged in front of the small side wall template (1);
the rear supporting jack (12) is arranged behind the small side wall template (1);
the driving chain wheel (13) is arranged inside the driving motor box (3) and is connected with the driving motor reducer (4);
and the chain (14) is meshed with the chain guide wheel (5) and is connected with the driving chain wheel (13) and the die-spreading walking trolley (8).
2. The device for one-time paving and forming of the arc-shaped bottom plate of the diversion engineering tunnel according to claim 1, wherein a front chain tensioning bolt (9) is fixedly connected to the front end of the mold walking trolley (8); the rear end is fixedly connected with a rear chain tensioning bolt (10).
3. The device for one-time paving and forming of the arc-shaped bottom plate of the diversion tunnel according to claim 2, wherein one end of the chain (14) is connected with the front chain tensioning bolt (9), and the other end of the chain is connected with the rear chain tensioning bolt (10).
4. The device for one-time paving and forming of the arc-shaped bottom plate of the diversion tunnel according to claim 1, wherein the spreading die (7) is of an arc-shaped frame structure.
5. The device for one-step paving and forming of the arc-shaped bottom plate of the water diversion engineering tunnel according to claim 1, wherein the plug beam (6) is of an arc-shaped frame structure.
6. The device for one-time paving and forming of the arc-shaped bottom plate of the diversion tunnel according to claim 1, wherein the lower arc surface of the spreading die (7) is overlapped with the upper arc surface of the plug beam (6).
7. The device for one-time paving and forming of the arc-shaped bottom plate of the diversion tunnel according to claim 1, wherein a plurality of chain guide wheels (5) are installed in the travelling rail (2) and the driving motor box (3), wherein the chain guide wheels (5) in the travelling rail (2) provide a guide rail for the chain (14).
8. The device for one-time paving and forming of the arc-shaped bottom plate of the water diversion engineering tunnel according to claim 1, wherein the die walking trolley (8) is arranged below the walking track (2).
9. A construction method for one-time paving and forming of an arc-shaped bottom plate of a water diversion engineering tunnel is characterized in that the device of any one of claims 1-8 is adopted for construction, and the concrete steps comprise: after concrete is poured in place, a driving motor reducer (4) is started to drive a driving chain wheel (13) to rotate, a chain (14) drives a die walking trolley (8) to move forwards, so that the die (7) is driven to integrally move forwards to perform paving operation, concrete is paved into an arc structure with the radian consistent with that of the die (7), the arc structure is paved to a plug beam (6), and the concrete with the excess part is scraped off, so that paving construction of one section is completed; after a section is constructed, the front excavator and the rear excavator respectively lift the whole spreading device to the next spreading section, the driving motor reducer (4) is started to rotate reversely, the chain guide wheel (5) rotates in the reverse direction, the spreading die walking trolley (8) drives the spreading die (7) to move backwards to the next spreading position, and the construction steps are repeated.
CN202110154844.1A 2021-02-04 2021-02-04 One-time paving and forming device for tunnel arc-shaped bottom plate of diversion project and construction method of one-time paving and forming device Active CN112962548B (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202658578U (en) * 2012-07-03 2013-01-09 葛洲坝集团基础工程有限公司 Channel inverted filter material paving and leveling device
CN204298714U (en) * 2014-07-31 2015-04-29 刘华 Locate mode full-automatic concrete spreading smoother

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202658578U (en) * 2012-07-03 2013-01-09 葛洲坝集团基础工程有限公司 Channel inverted filter material paving and leveling device
CN204298714U (en) * 2014-07-31 2015-04-29 刘华 Locate mode full-automatic concrete spreading smoother

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