CN221074287U - Tunnel bow member supporting construction - Google Patents
Tunnel bow member supporting construction Download PDFInfo
- Publication number
- CN221074287U CN221074287U CN202323202410.8U CN202323202410U CN221074287U CN 221074287 U CN221074287 U CN 221074287U CN 202323202410 U CN202323202410 U CN 202323202410U CN 221074287 U CN221074287 U CN 221074287U
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- CN
- China
- Prior art keywords
- frame
- underframe
- rack
- roof
- middle frame
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- 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.)
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- 238000010276 construction Methods 0.000 title claims abstract description 11
- 238000003466 welding Methods 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 238000009434 installation Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model provides a tunnel arch support structure, which relates to the technical field of tunnel construction and comprises a bottom frame, a ground fixing seat, a middle frame, a top frame, a fixing nut, a fixing support rod and a grid; the upper inclined side surface of the ground fixing seat is provided with a threaded hole, the threaded hole of the ground fixing seat is screwed with a bolt, and the ground fixing seat is connected with the underframe through the bolt; the middle frame is connected to the inner side of the underframe in a sliding way; the top frames are connected to the inner side of the middle frame in a sliding manner, the number of the top frames is two, the top frames are symmetrically distributed relative to the central line of the arch frame, the two groups of top frames are connected with each other through bolts, and the top frames are welded with the grids; the fixing nut is screwed on the outer side face of the tail end of the fixing support rod; through the setting of chassis, intermediate frame, roof-rack, fixation nut and fixed branch, realized the quick layout installation of bow member support, solved the bow member support and because the welding erects the complicated problem that causes tunnel engineering efficiency of construction low of process.
Description
Technical Field
The utility model belongs to the technical field of tunnel construction, and particularly relates to a tunnel arch supporting structure.
Background
The arch support is made of L, U, H steel sections, steel rails, steel pipes and other steel sections, and can be combined with anchor rods, sprayed concrete and reinforcing steel meshes by adopting support measures for reinforcing underground engineering in an assembling mode.
Based on the above, the existing arch support is assembled by mutually welding a plurality of groups of section steel, the construction process of the arch support is complex, the welding and assembling of the section steel consumes long time, and the engineering construction efficiency is low.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a tunnel arch supporting structure, which aims to solve the problem of low tunnel engineering construction efficiency caused by complex welding and erection processes of arch supporting.
The utility model discloses a tunnel arch supporting structure, which is realized by the following specific technical means:
The tunnel arch supporting structure comprises a bottom frame, a ground fixing seat, a middle frame, a top frame, fixing nuts, fixing struts and a grid; the upper inclined side surface of the ground fixing seat is provided with a threaded hole, the threaded hole of the ground fixing seat is screwed with a bolt, and the ground fixing seat is connected with the underframe through the bolt; the number of the middle frames is two, the middle frames are symmetrically distributed relative to the central line of the arch frame, and the middle frames are connected to the inner side of the underframe in a sliding manner; the top frames are connected to the inner side of the middle frame in a sliding manner, the number of the top frames is two, the top frames are symmetrically distributed relative to the central line of the arch frame, the two groups of top frames are connected with each other through bolts, and the top frames are welded with the grids; the fixing nut is screwed on the outer side face of the tail end of the fixing support rod.
Further, the chassis adopts H type arcuation steel, and inside cavity of chassis, and the chassis top is equipped with square through-hole, and the intermediate frame passes chassis top through-hole and inlays and establish in the chassis, and the chassis is equipped with the through-hole of diameter 7cm, and the through-hole quantity is four sets of, and two sets of through-holes symmetric distribution are in chassis front and back both sides face, and fixed branch can inlay and establish in the through-hole of both sides around the chassis.
Further, the roof-rack is inside cavity, and roof-rack top side is equipped with two sets of otic placodes, is equipped with two sets of diameter 5 cm's through-holes on every otic placode that sets up, and the roof-rack adopts H type arcuation steel, has laid triangle-shaped bearing structure's grid in the both sides recess of H type steel, and roof-rack bottom both sides are equipped with the through-hole, and the through-hole quantity is four sets of, and every two sets of through-holes symmetric distribution is in roof-rack leading flank and trailing flank, and fixed branch can inlay and establish in the through-hole of roof-rack front and back both sides.
Furthermore, the middle frame adopts H type arcuation steel, and middle frame inside cavity is equipped with square through-hole at middle frame both ends, and the roof-rack inlays to be established in the middle frame, and both sides face is equipped with four sets of diameter 7 cm's through-holes around the middle frame, and fixed branch can inlay to establish in the through-hole of both sides around the middle frame.
Further, two groups of ear plates are arranged at the bottom end of the ground fixing seat, and through holes with the diameter of 10cm are formed in each group of ear plates.
Compared with the prior art, the utility model has the following beneficial effects:
1. In this device, utilize the nested structure of chassis, intermediate frame and roof-rack, through the mode of slip pull, realized the quick layout of bow member support, ensured the connection structure stability of each subassembly of bow member by fixation nut and fixed branch, reduced the complexity of bow member installation work, practiced thrift bow member installation time, improved engineering efficiency of construction.
2. In this device, set up the grid, through with grid welded connection in the recess of roof-rack H type arcuation steel both sides, utilize the triangular stable structure of grid, further strengthened the structural strength of roof-rack, effectively reduced the deformation damage dynamics of tunnel subsidence extrusion to the bow member structure.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a right-side view of the present utility model.
Fig. 3 is a schematic top view of the present utility model.
Fig. 4 is a schematic elevational view of the present utility model.
Fig. 5 is a schematic side view of the present utility model.
Fig. 6 is an enlarged schematic view of the structure of the portion a in fig. 5 according to the present utility model.
Fig. 7 is an enlarged schematic view of the structure of the B part in fig. 5 according to the present utility model.
In the figure, the correspondence between the component names and the drawing numbers is:
1. A chassis; 2. a ground fixing seat; 3. a middle frame; 4. a top frame; 5. a fixing nut; 6. fixing the support rod; 7. and (5) a grille.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
Examples:
As shown in fig. 1 to 7:
The utility model provides a tunnel arch supporting structure, which comprises a bottom frame 1, a ground fixing seat 2, a middle frame 3, a top frame 4, a fixing nut 5, a fixing support rod 6 and a grid 7; the upper inclined side surface of the ground fixing seat 2 is provided with a threaded hole, the threaded hole of the ground fixing seat 2 is screwed with a bolt, and the ground fixing seat 2 is connected with the underframe 1 through the bolt; the number of the intermediate frames 3 is two, the intermediate frames 3 are symmetrically distributed relative to the central line of the arch frame, and the intermediate frames 3 are connected to the inner side of the underframe 1 in a sliding manner; the top frames 4 are connected to the inner side of the middle frame 3 in a sliding way, the number of the top frames 4 is two, the top frames 4 are symmetrically distributed relative to the central line of the arch frame, the two groups of top frames 4 are connected with each other through bolts, and the top frames 4 are connected with the grid 7 in a welding way; the fixing nut 5 is screwed on the outer side surface of the tail end of the fixing support rod 6.
Wherein, chassis 1 adopts H type arcuation steel, chassis 1 inside cavity, chassis 1 top is equipped with square through-hole, middle frame 3 passes chassis 1 top through-hole and inlays and establish in chassis 1, make middle frame 3 can slide along chassis 1 inner wall profile is flexible, chassis 1 is equipped with the through-hole of diameter 7cm, the through-hole quantity is four sets of, every two sets of through-holes symmetric distribution is in chassis 1 front and back both sides face, fixed branch 6 can inlay the through-hole of establishing both sides around chassis 1, utilize fixed branch 6 to make middle frame 3 and chassis 1 carry out spacing support fixed when setting up the installation.
Wherein, the inside cavity of roof-rack 4, roof-rack 4 top side is equipped with two sets of otic placodes, be equipped with two sets of diameter 5 cm's through-holes on every otic placode that sets up, through the embedded bolt of establishing of otic placode through-hole of roof-rack 4, carry out fixed connection with two sets of bilateral symmetry's roof-rack 4, thereby accomplish the closure of bow member, roof-rack 4 adopts H type arcuation steel, laid triangle-shaped bearing structure's grid 7 in the both sides recess of H type steel, utilize triangle-shaped structural stability, the structural strength of roof-rack 4 has been strengthened, H type steel deformation degree has been reduced.
Wherein, both sides face is equipped with four sets of diameter 7 cm's through-holes around the intermediate frame 3, and fixed strut 6 can inlay and establish in the through-hole of both sides around the intermediate frame 3, utilizes fixed strut 6 to make intermediate frame 3 and roof-rack 4 carry out spacing support fixedly when erecting the installation, prevents that roof-rack 4 from breaking away from intermediate frame 3, and intermediate frame 3 inside cavity, intermediate frame 3 both ends are equipped with square through-hole, and roof-rack 4 inlays and establishes in intermediate frame 3, makes roof-rack 4 can follow intermediate frame 3 inner wall profile telescopic sliding.
Specific use and action of the embodiment:
According to the utility model, the middle frame 3 is pulled to extend along the inner wall of the bottom frame 1 until the through holes on the two side surfaces of the bottom of the middle frame 3 are opposite to the through holes on the two side surfaces of the upper part of the bottom frame 1, at the moment, the fixing support rods 6 are inserted into the through holes of the middle frame 3 and the bottom frame 1, the fixing support rods 6 are screwed with the fixing nuts 5 through the threads on the outer side surfaces of the tail ends, so that the middle frame 3 and the bottom frame 1 are supported and fixed, then the top frame 4 is pulled out from the middle frame 3, when the through holes on the two side surfaces of the lower part of the top frame 4 are opposite to the through holes on the two side surfaces of the upper part of the middle frame 3, the fixing support rods 6 are inserted into the through holes of the top frame 4 and the middle frame 3, the top frame 4 is supported, the stability of an arch frame assembly structure is ensured, and the two groups of top frames 4 are fixedly screwed by the nuts and the bolts through the lug plate through embedding four groups of bolts into the through the lug plate through holes of the two groups of the left-right symmetric top frames, and the rapid installation and construction of the arch frame support is realized.
The present utility model is not described in detail in the present application, and is well known to those skilled in the art.
Claims (5)
1. The utility model provides a tunnel bow member supporting construction which characterized in that: the ground fixing seat comprises a bottom frame (1), a ground fixing seat (2), a middle frame (3), a top frame (4), a fixing nut (5), a fixing support rod (6) and a grid (7); the upper inclined side surface of the ground fixing seat (2) is provided with a threaded hole, the threaded hole of the ground fixing seat (2) is screwed with a bolt, and the ground fixing seat (2) is connected with the underframe (1) through the bolt; the number of the middle frames (3) is two, the middle frames (3) are symmetrically distributed relative to the central line of the arch frame, and the middle frames (3) are connected to the inner side of the underframe (1) in a sliding manner; the top frames (4) are connected to the inner side of the middle frame (3) in a sliding mode, the number of the top frames (4) is two, the top frames (4) are symmetrically distributed relative to the center line of the arch, the two groups of top frames (4) are connected with each other through bolts, and the top frames (4) are connected with the grid (7) in a welding mode; the fixing nut (5) is screwed on the outer side face of the tail end of the fixing support rod (6).
2. A tunnel arch support structure according to claim 1, wherein: the novel steel structure is characterized in that the underframe (1) is made of H-shaped arc steel, the inside of the underframe (1) is hollow, square through holes are formed in the top end of the underframe (1), the middle frame (3) penetrates through the through holes in the top end of the underframe (1) and is embedded in the underframe (1), the underframe (1) is provided with through holes with the diameter of 7cm, the number of the through holes is four, every two groups of through holes are symmetrically distributed on the front side and the rear side of the underframe (1), and the fixing support rods (6) can be embedded in the through holes on the front side and the rear side of the underframe (1).
3. A tunnel arch support structure according to claim 1, wherein: the utility model discloses a roof-rack, including roof-rack (4), fixed support bar (6), triangular support structure's grid (7) have been laid in the both sides recess of H type arc steel to roof-rack (4), roof-rack (4) inside cavity, roof-rack (4) top side is equipped with two sets of otic placodes, be equipped with two sets of otic placodes in the side of roof-rack (4), every two sets of through-hole symmetric distribution are in roof-rack (4) leading flank and trailing flank, fixed support bar (6) can inlay and establish in the through-hole of roof-rack (4) front and back both sides.
4. A tunnel arch support structure according to claim 1, wherein: the middle frame (3) adopts H type arcuation steel, and middle frame (3) inside cavity, and middle frame (3) both ends are equipped with square through-hole, and roof-rack (4) inlay and establish in middle frame (3), and both sides face is equipped with four sets of diameter 7 cm's through-holes around middle frame (3), and fixed branch (6) can inlay and establish in the through-hole of both sides around middle frame (3).
5. A tunnel arch support structure according to claim 1, wherein: two groups of ear plates are arranged at the bottom end of the ground fixing seat (2), and through holes with the diameter of 10cm are formed in each group of ear plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323202410.8U CN221074287U (en) | 2023-11-27 | 2023-11-27 | Tunnel bow member supporting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323202410.8U CN221074287U (en) | 2023-11-27 | 2023-11-27 | Tunnel bow member supporting construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221074287U true CN221074287U (en) | 2024-06-04 |
Family
ID=91265265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323202410.8U Active CN221074287U (en) | 2023-11-27 | 2023-11-27 | Tunnel bow member supporting construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221074287U (en) |
-
2023
- 2023-11-27 CN CN202323202410.8U patent/CN221074287U/en active Active
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| GR01 | Patent grant |