CN112983487A - In-hole inner supporting device - Google Patents
In-hole inner supporting device Download PDFInfo
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- CN112983487A CN112983487A CN202110237784.XA CN202110237784A CN112983487A CN 112983487 A CN112983487 A CN 112983487A CN 202110237784 A CN202110237784 A CN 202110237784A CN 112983487 A CN112983487 A CN 112983487A
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 103
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/12—Temporary supports for use during building; Accessories
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention provides an in-tunnel inner supporting device, and relates to the field of building supporting devices. The in-tunnel inner supporting device comprises a tunnel cave body, two vertical main supporting pieces and two transverse main supporting pieces, wherein duct pieces are arranged on the side wall of the tunnel cave body, the two vertical main supporting pieces are arranged at the inner end of the tunnel cave body, the upper ends and the lower ends of the vertical main supporting pieces are respectively connected with the upper inner wall and the lower inner wall of the duct piece, the transverse main supporting pieces are arranged at the inner parts of the tunnel cave body and close to the upper ends, the two ends of the transverse main supporting pieces are respectively connected with the two inner side walls of the duct piece, and the two vertical main supporting pieces are respectively fixedly connected with the transverse main supporting pieces through. The invention provides an in-tunnel inner supporting device, wherein supports of the device are spliced by bolts, so that the device is convenient to mount, dismount and transport, a large amount of construction time can be saved, and meanwhile, the whole structure can be ensured to be always tightly attached to a duct piece through a jacking device, so that the device has a good supporting effect.
Description
Technical Field
The invention relates to the field of building supporting devices, in particular to an in-tunnel inner supporting device.
Background
In the construction of highways, railways and urban traffic, various structural structures such as bridges and tunnels need to be built for crossing rivers, deep valleys and straits or crossing mountains and water bottoms, in the construction process of the bridges and tunnels, large-section tunnels are always the key and difficult points in engineering construction, the tunnel lining of the large-section tunnels is required to be formed at one time, and the requirements on the forming quality of the inner surface, the appearance quality and the like are high, so that the size precision of formed bridges, culverts and tunnels and the smoothness of structures at different radiuses play a crucial role in the construction process.
The support of the existing in-tunnel inner support structure is mostly of a fixed structure, is troublesome in carrying and installation and delays construction time, the joint of the support of the existing in-tunnel inner support and a template is poor in fitting degree, the support rod is not vertical to a support surface, the stress is uneven, the safety and the quality of tunnel construction are affected, and therefore improvement is needed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an in-hole internal support device, which solves the problems of inconvenient transportation and installation, uneven stress of a support during supporting and poor fitting degree of a template in the existing structure.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the in-tunnel internal support device comprises a tunnel body, two vertical main support pieces and two transverse main support pieces, wherein duct pieces are arranged on the side wall of the tunnel body, the two vertical main support pieces are arranged at the inner end of the tunnel body, the upper ends and the lower ends of the two vertical main support pieces are respectively connected with the upper inner wall and the lower inner wall of the duct piece, the transverse main support pieces are arranged at the upper ends inside the tunnel body, the two ends of the transverse main support pieces are respectively connected with the two inner walls of the duct piece, the two vertical main support pieces are respectively and fixedly connected with the transverse main support pieces through two connecting pieces, a first transverse auxiliary support piece is arranged at the middle part between the two vertical main support pieces close to the upper ends, the two ends of the first transverse auxiliary support piece are respectively and fixedly connected with the two vertical main support pieces through the connecting pieces, and second transverse, the horizontal auxiliary support piece of second leans on inner all through connecting piece and vertical main tributary piece fixed connection, two the other end of the horizontal auxiliary support piece of second all with section of jurisdiction inner wall connection, two vertical main tributary piece leans on the outside middle part all through connecting piece fixedly connected with horizontal bracing piece, two lean on the upper end to be provided with vertical support piece between the vertical main tributary piece, vertical support piece passes through a plurality of connecting pieces and horizontal main tributary piece, first horizontal auxiliary support piece fixed connection, the crossing outside fixedly connected with backup pad of horizontal main tributary piece and two vertical main tributary pieces, the outer equal fixedly connected with of outer end of leaning on of vertical support piece and two horizontal bracing pieces and two backup pads tightly installs, it is a plurality of the outer end of tightly installing all contacts with section of jurisdiction inner wall.
Preferably, the connecting piece comprises a connecting gasket and four connecting bolts, and the four connecting bolts penetrate through the connecting gasket.
Preferably, the two vertical main supporting pieces are symmetrically arranged based on the central axis of the tunnel body.
Preferably, the two transverse supporting rods and the two supporting plates are symmetrically arranged based on the central axis of the tunnel body.
Preferably, the included angle between the supporting plate and the horizontal plane is 45 degrees.
Preferably, the vertical main supporting piece, the transverse main supporting piece, the first transverse auxiliary supporting piece and the second transverse auxiliary supporting piece are all made of 20a I-steel.
The working principle is as follows: when the device is used, the vertical main supporting piece, the horizontal main supporting piece, the first horizontal auxiliary supporting piece, the second horizontal auxiliary supporting piece, the vertical supporting rod and the horizontal supporting rod are sequentially and fixedly connected through the connecting piece, then the supporting plate and the jacking device are installed, and then the jacking device is adjusted to be tightly attached to the inner wall of the duct piece.
(III) advantageous effects
The invention provides an in-hole inner support device. The method has the following beneficial effects:
1. the supports of the in-hole inner supporting device are spliced by bolts, so that the in-hole inner supporting device is convenient to mount, dismount and transport, and can save a large amount of construction time.
2. The supporting device in the hole is provided with the jacking device, so that the duct piece can be jacked up through adjustment, the whole structure can be guaranteed to be always tightly attached to the duct piece, and the device has a good supporting effect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged view of a point a in fig. 1.
Wherein, 1, a tunnel body; 2. a vertical main support; 3. a transverse main support; 4. a first lateral auxiliary support; 5. a vertical support bar; 6. a transverse support bar; 7. a second lateral auxiliary support; 8. a jacking device; 9. a connecting member; 91. connecting a gasket; 92. a connecting bolt; 10. a support plate; 11. a tube sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Example (b):
as shown in fig. 1-2, an in-tunnel internal support device provided in an embodiment of the present invention includes a tunnel cave body 1, two vertical main support members 2, and a horizontal main support member 3, a duct piece 11 is disposed on a side wall of the tunnel cave body 1, the two vertical main support members 2 are disposed at an inner end of the tunnel cave body 1, upper and lower ends of the two vertical main support members 2 are respectively connected to upper and lower inner walls of the duct piece 11, the horizontal main support member 3 is disposed at an upper end inside the tunnel cave body 1, two ends of the horizontal main support member 3 are respectively connected to two inner side walls of the duct piece 11, the two vertical main support members 2 are respectively fixedly connected to the horizontal main support member 3 through two connection members 9, the horizontal main support member 3 is perpendicular to the two vertical main support members 2, a first horizontal auxiliary support member 4 is disposed at an upper end near a middle portion between the two vertical main support members 2, the first horizontal, the two ends of the first horizontal auxiliary supporting piece 4 are fixedly connected with the two vertical main supporting pieces 2 through connecting pieces 9, the two vertical main supporting pieces 2 are provided with second horizontal auxiliary supporting pieces 7 by the outer sides of the lower ends, the second horizontal auxiliary supporting pieces 7 are fixedly connected with the vertical main supporting pieces 2 by the inner ends through the connecting pieces 9, the other ends of the two second horizontal auxiliary supporting pieces 7 are connected with the inner wall of the duct piece 11, the middle parts of the outer sides of the two vertical main supporting pieces 2 are fixedly connected with horizontal supporting rods 6 through the connecting pieces 9, the upper end between the two vertical main supporting pieces 2 is provided with a vertical supporting rod 5, the vertical supporting rod 5 is fixedly connected with the first horizontal auxiliary supporting piece 4 through a plurality of connecting pieces 9 and horizontal main supporting pieces 3, the outer side of the intersection of the horizontal main supporting pieces 3 and the two vertical main supporting pieces 2 is fixedly connected with a supporting, The outer ends of the vertical main supporting piece 2, the vertical supporting rod 5, the two transverse supporting rods 6 and the two supporting plates 10 are fixedly connected with a jacking device 8, the jacking device 8 can adjust the length, and the outer ends of the jacking devices 8 are in contact with the inner wall of the duct piece 11.
The connecting piece 9 comprises a connecting gasket 91 and four connecting bolts 92, the four connecting bolts 92 all penetrate through the connecting gasket 91, when the connecting piece 9 is used, the connecting gasket 91 is lapped on two objects to be connected, every two of the four connecting bolts 92 are in threaded connection with the two objects to be connected respectively, the two vertical main supporting pieces 2 are symmetrically arranged based on the central axis of the tunnel hole body 1, the two transverse supporting rods 6 and the two supporting plates 10 are symmetrically arranged based on the central axis of the tunnel hole body 1, the included angle between each supporting plate 10 and the horizontal plane is 45 degrees, and the vertical main supporting pieces 2, the transverse main supporting pieces 3, the first transverse auxiliary supporting pieces 4 and the second transverse auxiliary supporting pieces 7 are all made of 20a I-steel.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Interior strutting arrangement of hole, including tunnel hole body (1), two vertical main tributary strutting pieces (2), horizontal main tributary strutting piece (3), its characterized in that: the tunnel supporting structure is characterized in that a duct piece (11) is arranged on the side wall of the tunnel body (1), two vertical main supporting pieces (2) are arranged at the inner end of the tunnel body (1), the upper ends and the lower ends of the two vertical main supporting pieces (2) are respectively connected with the upper inner wall and the lower inner wall of the duct piece (11), the transverse main supporting pieces (3) are arranged inside the tunnel body (1) and close to the upper end, the two ends of each transverse main supporting piece (3) are respectively connected with the two inner side walls of the duct piece (11), the two vertical main supporting pieces (2) are respectively fixedly connected with the transverse main supporting pieces (3) through two connecting pieces (9), a first transverse auxiliary supporting piece (4) is arranged at the middle part between the two vertical main supporting pieces (2) and close to the upper end, the two ends of the first transverse auxiliary supporting piece (4) are fixedly connected with the two vertical main supporting pieces, the two vertical main supporting pieces (2) are provided with second transverse auxiliary supporting pieces (7) by the outer sides of the lower ends, the second transverse auxiliary supporting pieces (7) are fixedly connected with the vertical main supporting pieces (2) by the inner ends, the other ends of the two second transverse auxiliary supporting pieces (7) are connected with the inner wall of the duct piece (11), the middle parts of the outer sides of the two vertical main supporting pieces (2) are fixedly connected with transverse supporting rods (6) by the connecting pieces (9), the upper ends of the two vertical main supporting pieces (2) are provided with vertical supporting rods (5), the vertical supporting rods (5) are fixedly connected with the first transverse auxiliary supporting pieces (4) by the plurality of connecting pieces (9) and the transverse main supporting pieces (3), and supporting plates (10) are fixedly connected with the outer sides of the intersection parts of the transverse main supporting pieces (3) and the two vertical main supporting pieces (2), the outer ends of the vertical supporting rod (5), the two transverse supporting rods (6) and the two supporting plates (10) close to the outer ends and are fixedly connected with a jacking device (8) in a plurality of contact with the inner wall of the duct piece (11).
2. The in-hole inner support device of claim 1, wherein: the connecting piece (9) comprises a connecting gasket (91) and four connecting bolts (92), wherein the four connecting bolts (92) penetrate through the connecting gasket (91).
3. The in-hole inner support device of claim 1, wherein: the two vertical main supporting pieces (2) are symmetrically arranged based on the central axis of the tunnel body (1).
4. The in-hole inner support device of claim 1, wherein: the two transverse supporting rods (6) and the two supporting plates (10) are symmetrically arranged based on the central axis of the tunnel body (1).
5. The in-hole inner support device of claim 1, wherein: the included angle between the supporting plate (10) and the horizontal plane is 45 degrees.
6. The in-hole inner support device of claim 1, wherein: the vertical main supporting piece (2), the transverse main supporting piece (3), the first transverse auxiliary supporting piece (4) and the second transverse auxiliary supporting piece (7) are all made of 20a I-steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110237784.XA CN112983487A (en) | 2021-03-04 | 2021-03-04 | In-hole inner supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110237784.XA CN112983487A (en) | 2021-03-04 | 2021-03-04 | In-hole inner supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112983487A true CN112983487A (en) | 2021-06-18 |
Family
ID=76352541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110237784.XA Pending CN112983487A (en) | 2021-03-04 | 2021-03-04 | In-hole inner supporting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN112983487A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982634A (en) * | 2021-12-11 | 2022-01-28 | 汕尾市广投建设工程有限公司 | Lining reinforcing frame and method for remedying hidden danger of existing civil air defense tunnel |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2626509A1 (en) * | 2012-02-08 | 2013-08-14 | Kern Tunneltechnik SA | Formwork assembly |
| CN104612718A (en) * | 2015-02-12 | 2015-05-13 | 中国水利水电第十四工程局有限公司 | Supporting trolley for overlapped shield tunnel construction and supporting trolley system |
| CN208168887U (en) * | 2018-03-01 | 2018-11-30 | 温州圆拓机械科技有限公司 | A kind of temperature pier structure for tunnel rebuilding construction |
| CN209990490U (en) * | 2019-05-14 | 2020-01-24 | 何楚婷 | Subway section of jurisdiction is interior strutting arrangement for concatenation convenient to equipment |
| CN210105876U (en) * | 2019-06-18 | 2020-02-21 | 中建海峡建设发展有限公司 | Subway construction tunnel segment support |
| CN210264731U (en) * | 2019-06-18 | 2020-04-07 | 中铁第五勘察设计院集团有限公司 | A consolidate strutting arrangement for in shield tunnel |
| CN111411989A (en) * | 2020-04-22 | 2020-07-14 | 中铁广州工程局集团有限公司 | Prestressing force strutting arrangement that junctor tunnel excavation was used in tunnel |
| CN111411968A (en) * | 2020-03-04 | 2020-07-14 | 中国建筑第二工程局有限公司 | Expanding excavation structure for shield tunnel foundation and construction method thereof |
-
2021
- 2021-03-04 CN CN202110237784.XA patent/CN112983487A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2626509A1 (en) * | 2012-02-08 | 2013-08-14 | Kern Tunneltechnik SA | Formwork assembly |
| CN104612718A (en) * | 2015-02-12 | 2015-05-13 | 中国水利水电第十四工程局有限公司 | Supporting trolley for overlapped shield tunnel construction and supporting trolley system |
| CN208168887U (en) * | 2018-03-01 | 2018-11-30 | 温州圆拓机械科技有限公司 | A kind of temperature pier structure for tunnel rebuilding construction |
| CN209990490U (en) * | 2019-05-14 | 2020-01-24 | 何楚婷 | Subway section of jurisdiction is interior strutting arrangement for concatenation convenient to equipment |
| CN210105876U (en) * | 2019-06-18 | 2020-02-21 | 中建海峡建设发展有限公司 | Subway construction tunnel segment support |
| CN210264731U (en) * | 2019-06-18 | 2020-04-07 | 中铁第五勘察设计院集团有限公司 | A consolidate strutting arrangement for in shield tunnel |
| CN111411968A (en) * | 2020-03-04 | 2020-07-14 | 中国建筑第二工程局有限公司 | Expanding excavation structure for shield tunnel foundation and construction method thereof |
| CN111411989A (en) * | 2020-04-22 | 2020-07-14 | 中铁广州工程局集团有限公司 | Prestressing force strutting arrangement that junctor tunnel excavation was used in tunnel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982634A (en) * | 2021-12-11 | 2022-01-28 | 汕尾市广投建设工程有限公司 | Lining reinforcing frame and method for remedying hidden danger of existing civil air defense tunnel |
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Application publication date: 20210618 |
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| RJ01 | Rejection of invention patent application after publication |