CN113756824A - Four-degree-of-freedom supporting rack - Google Patents
Four-degree-of-freedom supporting rack Download PDFInfo
- Publication number
- CN113756824A CN113756824A CN202110941977.3A CN202110941977A CN113756824A CN 113756824 A CN113756824 A CN 113756824A CN 202110941977 A CN202110941977 A CN 202110941977A CN 113756824 A CN113756824 A CN 113756824A
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- Prior art keywords
- bottom plate
- support leg
- support
- leg
- supporting
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- 238000010276 construction Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0607—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield being provided with devices for lining the tunnel, e.g. shuttering
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a four-degree-of-freedom support frame, which relates to the technical field of tunnel engineering and shield equipment manufacturing, and comprises a frame structure, a support leg box, support legs, support leg oil cylinders, a bottom plate and a transverse oil cylinder, and is characterized in that: the rack structure is in a square frame shape, the support leg box is welded at four corners of the rack structure, the support legs are inserted into the support leg box, and the support leg oil cylinder is arranged in the support leg box; has the advantages that: the supporting leg oil cylinders are adopted to drive the supporting legs to move in groups, so that adjustment of multiple degrees of freedom is realized, and the structure is simple and reliable; the supporting rack is placed at the bottom of the tunnel through a specially designed bottom plate, so that the supporting rack can be well adapted to a circular structure of the tunnel, and the support legs can swing and move transversely; the support frame is of a frame structure, is convenient to manufacture and high in bearing capacity, and can be used for bearing large-scale equipment or workpieces; has stronger expansibility, and can be used as the foundation of other special installation equipment.
Description
Technical Field
The invention relates to the technical field of tunnel engineering and shield equipment manufacturing, in particular to a four-degree-of-freedom support frame.
Background
After the shield tunnel is excavated by a shield machine and segments are assembled, an internal structure needs to be further built to meet the operation requirements of highway or rail traffic, and compared with the traditional cast-in-place structure, the internal structure of the fabricated tunnel has the characteristics of high construction efficiency, good forming quality, excellent operating environment and the like, and is the development direction for building the internal structure of the tunnel.
Disclosure of Invention
The present invention is directed to solving the above problems by providing a four-degree-of-freedom support frame.
The invention realizes the purpose through the following technical scheme:
the utility model provides a four degree of freedom support frames, includes rack construction, landing leg case, landing leg hydro-cylinder, bottom plate and sideslip hydro-cylinder, its characterized in that: the support leg box is welded at four corners of the frame structure, the support legs are inserted into the support leg box, the support leg oil cylinder is arranged in the support leg box, one end of the support leg oil cylinder is fixedly connected to the support leg box, the other end of the support leg oil cylinder is fixedly connected to the support legs, and the support legs are driven to move telescopically relative to the support leg box; the bottom of each supporting leg is supported on the upper surface of the bottom plate, the front portion and the rear portion of each bottom plate are respectively provided with one bottom plate, two transverse moving oil cylinders are oppositely arranged in the middle of each bottom plate, one end of each transverse moving oil cylinder is hinged to the corresponding supporting leg, and the other end of each transverse moving oil cylinder is hinged to the corresponding bottom plate.
Preferably: the bottom of the supporting leg is of a spherical structure, the upper surface of the bottom plate is an arc-shaped concave surface, and the diameters of the bottom plate and the bottom plate are equal; the spherical surface at the bottom of the supporting leg is matched with the arc-shaped concave surface on the upper surface of the bottom plate, and the spherical surface at the bottom of the supporting leg moves in the arc-shaped concave surface on the upper surface of the bottom plate.
Preferably: the lower surface of the bottom plate is an arc convex surface, and the diameter of the bottom plate is equal to the diameter of the section of the tunnel segment.
Compared with the prior art, the invention has the beneficial effects that:
1. the supporting leg oil cylinders are adopted to drive the supporting legs to move in groups, so that adjustment of multiple degrees of freedom is realized, and the structure is simple and reliable;
2. the supporting rack is placed at the bottom of the tunnel through a specially designed bottom plate, so that the supporting rack can be well adapted to a circular structure of the tunnel, and the support legs can swing and move transversely;
3. the support frame is of a frame structure, is convenient to manufacture and high in bearing capacity, and can be used for bearing large-scale equipment or workpieces;
4. has stronger expansibility, and can be used as the foundation of other special installation equipment.
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 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 perspective view of a four-degree-of-freedom support frame according to the present invention.
Fig. 2 is an end view of a base plate of a four degree-of-freedom support frame according to the present invention.
Fig. 3 is a side view of a base plate of a four degree-of-freedom support frame according to the present invention.
Fig. 4 is a schematic diagram of the x-direction displacement of a four-degree-of-freedom support frame according to the present invention.
FIG. 5 is a schematic view of the z-displacement of a four degree-of-freedom support frame according to the present invention.
Fig. 6 is a schematic view of the alpha-angle rotation of the four-degree-of-freedom support frame according to the present invention.
Fig. 7 is a schematic view of the beta-angle rotation of the four-degree-of-freedom support frame according to the present invention.
The reference numerals are explained below:
1. a frame structure; 2. a leg box; 3. a support leg; 4. a support oil cylinder; 5. a base plate; 6. and (5) transversely moving the oil cylinder.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the invention, and further, the terms "first", "second", etc., are used only for descriptive purposes and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated, whereby the features defined as "first", "second", etc., may explicitly or implicitly include one or more of such features, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
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; the two elements may be directly connected or indirectly connected through an intermediate medium, and the two elements may be communicated with each other, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art through specific situations.
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1-7, a four-degree-of-freedom support frame comprises a frame structure 1, a leg box 2, legs 3, leg 3 oil cylinders, a bottom plate 5 and a transverse oil cylinder 6, wherein the frame structure 1 is in a square frame shape, the frame structure 1 is used for supporting, the number of the leg boxes 2 is 4, the leg boxes 2 are welded at four corners of the frame structure 1, the number of the legs 3 is 4, the legs 3 are inserted into the leg box 2, the leg 3 oil cylinders are arranged in the leg box 2, the number of the leg 3 oil cylinders is 4, the leg 3 oil cylinders are used for telescopic support, one end of each leg 3 oil cylinder is fixedly connected to the leg box 2, and the other end of each leg 3 oil cylinder is fixedly connected to the leg 3 and can drive the legs 3 to move telescopically relative to the leg box 2; the bottoms of the supporting legs 3 are supported on the upper surface of a bottom plate 5, the bottom plate 5 is a front part and a rear part, 2 transverse moving oil cylinders 6 are oppositely arranged in the middle of each bottom plate 5, one ends of the transverse moving oil cylinders 6 are hinged with the supporting legs 3, and the other ends of the transverse moving oil cylinders 6 are hinged with the bottom plate 5; the bottoms of the supporting legs 3 are of spherical structures, the upper surface of the bottom plate 5 is an arc concave surface, and the diameters of the supporting legs and the bottom plate are equal; the spherical surface at the bottom of the supporting leg 3 is matched with the arc-shaped concave surface on the upper surface of the bottom plate 5, and the spherical surface at the bottom of the supporting leg 3 moves in the arc-shaped concave surface on the upper surface of the bottom plate 5, so that the supporting leg 3 can swing and move transversely relative to the bottom plate 5 at a certain angle; the lower surface of the bottom plate 5 is an arc convex surface, the diameter of the arc convex surface is equal to the diameter of the section of the tunnel segment, and the bottom plate 5 can be stably placed on the tunnel segment.
The working principle is as follows: the actions with three degrees of freedom can be realized by carrying out different group control on the 4 supporting leg 3 oil cylinders, and when the 4 supporting leg 3 oil cylinders stretch synchronously, the rack structure 1 can move up and down; when the front 2 oil cylinders act synchronously and the rear 2 oil cylinders act synchronously, the pitch angle can be adjusted by controlling the stroke difference of the two groups of oil cylinders; when 2 oil cylinders on the left side act synchronously and 2 oil cylinders on the right side act synchronously, the roll angle can be adjusted by controlling the stroke difference of the two groups of oil cylinders; 4 transverse moving oil cylinders 6 act synchronously, so that the position adjustment in the left and right transverse moving direction can be realized; in this way, the four degrees of freedom of the support frame can be adjusted.
While there have been shown and described what are at present considered to be the fundamental principles of the invention, its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is to be accorded the full scope of the invention as hereinafter claimed.
Claims (3)
1. The utility model provides a four degree of freedom support frames, includes rack construction (1), landing leg case (2), landing leg (3) hydro-cylinder, bottom plate (5) and sideslip hydro-cylinder (6), its characterized in that: the support leg box (3) is inserted into the support leg box (2), an oil cylinder of the support leg (3) is arranged in the support leg box (2), one end of the oil cylinder of the support leg (3) is fixedly connected to the support leg box (2), and the other end of the oil cylinder of the support leg (3) is fixedly connected to the support leg (3) to drive the support leg (3) to move telescopically relative to the support leg box (2); the bottom of each supporting leg (3) is supported on the upper surface of the bottom plate (5), the front portion and the rear portion of each bottom plate (5) are respectively provided with one bottom plate, two transverse moving oil cylinders (6) are oppositely arranged in the middle of each bottom plate (5), one ends of the transverse moving oil cylinders (6) are hinged to the supporting legs (3), and the other ends of the transverse moving oil cylinders are hinged to the bottom plates (5).
2. The four degree-of-freedom support frame of claim 1, wherein: the bottom of the supporting leg (3) is of a spherical structure, the upper surface of the bottom plate (5) is an arc-shaped concave surface, and the diameters of the two are equal; the spherical surface at the bottom of the supporting leg (3) is matched with the arc-shaped concave surface on the upper surface of the bottom plate (5), and the spherical surface at the bottom of the supporting leg (3) moves in the arc-shaped concave surface on the upper surface of the bottom plate (5).
3. The four degree-of-freedom support frame of claim 1, wherein: the lower surface of the bottom plate (5) is an arc convex surface, and the diameter of the arc convex surface is equal to the diameter of the section of the tunnel segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110941977.3A CN113756824A (en) | 2021-08-17 | 2021-08-17 | Four-degree-of-freedom supporting rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110941977.3A CN113756824A (en) | 2021-08-17 | 2021-08-17 | Four-degree-of-freedom supporting rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113756824A true CN113756824A (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110941977.3A Pending CN113756824A (en) | 2021-08-17 | 2021-08-17 | Four-degree-of-freedom supporting rack |
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| Country | Link |
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| CN (1) | CN113756824A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761831A (en) * | 2016-12-30 | 2017-05-31 | 中铁工程装备集团有限公司 | A kind of new mixed spray apparatus of TBM |
| CN108915704A (en) * | 2018-07-10 | 2018-11-30 | 中铁十局集团第五工程有限公司 | Small chamber installs equipment and installation method to shield in situ |
| CN110953004A (en) * | 2019-12-23 | 2020-04-03 | 山东铁鹰建设工程有限公司 | Shield tunnel middle box culvert installation trolley and construction method |
| CN111810168A (en) * | 2020-07-20 | 2020-10-23 | 中铁工程装备集团有限公司 | TBM (tunnel boring machine) propulsion system and propulsion method thereof |
| CN113137253A (en) * | 2021-04-30 | 2021-07-20 | 盾构及掘进技术国家重点实验室 | Through type tunnel arc-shaped part installing machine |
-
2021
- 2021-08-17 CN CN202110941977.3A patent/CN113756824A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761831A (en) * | 2016-12-30 | 2017-05-31 | 中铁工程装备集团有限公司 | A kind of new mixed spray apparatus of TBM |
| US20200003056A1 (en) * | 2016-12-30 | 2020-01-02 | China Railway Engineering Equipment Group Co., Ltd. | Mixing and Guniting Device of New Type for TBM |
| CN108915704A (en) * | 2018-07-10 | 2018-11-30 | 中铁十局集团第五工程有限公司 | Small chamber installs equipment and installation method to shield in situ |
| CN110953004A (en) * | 2019-12-23 | 2020-04-03 | 山东铁鹰建设工程有限公司 | Shield tunnel middle box culvert installation trolley and construction method |
| CN111810168A (en) * | 2020-07-20 | 2020-10-23 | 中铁工程装备集团有限公司 | TBM (tunnel boring machine) propulsion system and propulsion method thereof |
| CN113137253A (en) * | 2021-04-30 | 2021-07-20 | 盾构及掘进技术国家重点实验室 | Through type tunnel arc-shaped part installing machine |
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