CN215633033U - Arch foot protector for tunnel construction - Google Patents
Arch foot protector for tunnel construction Download PDFInfo
- Publication number
- CN215633033U CN215633033U CN202122253534.3U CN202122253534U CN215633033U CN 215633033 U CN215633033 U CN 215633033U CN 202122253534 U CN202122253534 U CN 202122253534U CN 215633033 U CN215633033 U CN 215633033U
- Authority
- CN
- China
- Prior art keywords
- arch
- connecting plate
- protector
- seat
- bow member
- Prior art date
- 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.)
- Active
Links
- 230000001012 protector Effects 0.000 title claims abstract description 29
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000009412 basement excavation Methods 0.000 abstract description 7
- 239000004567 concrete Substances 0.000 abstract description 7
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 101150097977 arch-1 gene Proteins 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000013049 sediment Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses an arch foot protector for tunnel construction, which comprises a body arranged on an arch center, wherein the arch center comprises a lower step side wall arch center, an upper step top arch center and an arch foot connecting plate for connecting the lower step side wall arch center and the upper step top arch center, one side of the body is provided with a clamping groove corresponding to the upper step top arch center, the bottom of the body is provided with an open groove corresponding to the arch foot connecting plate, and when the clamping groove is clamped and fixed on the upper step top arch center, the arch foot connecting plate is positioned in the open groove. The arch springing protector for tunnel construction provided by the utility model can protect the arch springing connecting plate through the body, so that the arch springing connecting plate is prevented from being covered by concrete during injection, and the later excavation is not convenient.
Description
Technical Field
The utility model relates to the technical field of tunnel construction, in particular to an arch springing protector for tunnel construction.
Background
The tunnel steel arch frame support is a common form in the tunnel engineering construction process of China, and in the tunnel construction process, in order to fixedly support the tunnel and better realize safe construction, the top and the periphery of the tunnel need to be supported,
the arch center construction is divided into upper and lower step construction, the concrete is sprayed to support the arch springing in time after the upper step construction is finished, and the arch springing is protected in the concrete spraying process, so that the arch springing connecting plate at the joint of the upper and lower steps is prevented from being covered by sprayed concrete.
Sediment landfill or rubble landfill are abandoned to protection of hunch foot connecting plate among the prior art often to the use, and the excavation degree of difficulty that sediment landfill later stage was abandoned in the use is great, and it is convenient to use rubble landfill later stage excavation, but the cost is higher, and simultaneously the excavation in-process of lower step, hunch foot connecting plate often is damaged by construction equipment such as excavator and is out of shape, has the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an arch springing protector for tunnel construction, which aims to overcome the defects in the prior art.
In order to achieve the above purpose, the utility model provides the following technical scheme:
the utility model provides an arch springing protector that tunnel construction used, is including setting up the body on the bow member, the bow member includes lower step side wall bow member, goes up step top bow member and connects the bow springing connecting plate of lower step side wall bow member and last step top bow member, body one side be provided with go up the corresponding draw-in groove of step top bow member, the bottom of body be provided with the corresponding open slot of bow springing connecting plate works as the draw-in groove block is fixed when going up step top bow member, the bow springing connecting plate is located inside the open slot.
In the arch springing protector, the clamping groove comprises a U-shaped groove formed in the body, and the U-shaped groove can be embedded and fixed on the arch springing along one side of the upper step top arch.
In the arch springing protector, the length of the opening of the U-shaped groove is consistent with that of the arch springing connecting plate.
In the arch foot protector, the two opposite sides of the clamping groove are provided with the opening cavities, and the opening cavities are provided with the elastic sealing plates.
In the arch springing protector, the elastic sealing plate comprises the movable plate and the elastic piece, the movable plate is slidably connected inside the open cavity, and the elastic piece blocks the movement stroke of the movable plate moving towards the inside of the open cavity.
In the arch foot protector, the body comprises the first seat body and the second seat body which are connected, and the clamping groove and the open groove are correspondingly formed in the first seat body and the second seat body.
In the arch foot protector, the side edges of the first seat body and the second seat body are provided with the connecting side plates, and the connecting side plates are fixedly connected through the fixing bolts.
In the arch springing protector, the first seat body and the second seat body are respectively provided with a fixing structure, and the fixing structures can respectively fix the first seat body and the second seat body on the arch center at the top of the upper step.
The arch springing protector further comprises an arch center connecting plate, wherein the arch center connecting plate is arranged between the body and used for sealing a gap between the arch centers at the top of the upper step.
In the technical scheme, the utility model provides an arch springing protector for tunnel construction, which has the following beneficial effects:
the utility model provides an arch springing protector for tunnel construction, which comprises a body arranged on an arch center, wherein one side of the body is provided with a clamping groove corresponding to an arch center at the top of an upper step, the bottom of the body is provided with an open groove corresponding to an arch springing connecting plate, when the clamping groove can be clamped and fixed on the arch center at the top of the upper step, the arch springing connecting plate is positioned in the open groove, so that the arch springing connecting plate can be protected by the body, the arch springing connecting plate is prevented from being covered on the arch springing connecting plate when concrete is sprayed, and later excavation is inconvenient.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a schematic structural diagram of a body according to an embodiment of the present invention;
fig. 2 is a second schematic structural diagram of a body according to an embodiment of the utility model;
FIG. 3 is a schematic view of the installation of the body according to the embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an elastic sealing plate according to an embodiment of the present invention;
fig. 5 is a third schematic structural diagram of a body according to an embodiment of the present invention;
fig. 6 is a schematic installation diagram of an arch connecting plate according to an embodiment of the present invention.
Description of reference numerals:
1. a lower step side wall arch frame;
2. an arch frame at the top of the upper step;
2.1, arch foot connecting plates;
3. a body;
3.1, a clamping groove; 3.2, opening grooves; 3.3, a first seat body; 3.4, a second seat body; 3.5, connecting the side plates;
4. an open cavity;
4.1, a movable plate; 4.2, an elastic piece;
5. an arch center connecting plate.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 6, an embodiment of the present invention provides an arch foot protector for tunnel construction, including a body 3 disposed on an arch center, the arch center includes a lower step side wall arch center 1, an upper step top arch center 2, and an arch foot connecting plate 2.1 connecting the lower step side wall arch center 1 and the upper step top arch center 2, one side of the body 3 is provided with a slot 3.1 corresponding to the upper step top arch center 2, the bottom of the body 3 is provided with an open slot 3.2 corresponding to the arch foot connecting plate 2.1, and when the slot 3.1 can be fastened and fixed to the upper step top arch center 2, the arch foot connecting plate 2.1 is located inside the open slot 3.2.
Specifically, the lower step side wall arch 1 is arranged on a lower step in construction, the upper step top arch 2 is arranged on a hole body of an upper step in tunnel construction, an arch foot connecting plate 2.1 is connected with the lower step side wall arch 1 and the upper step top arch 2, the arch foot connecting plate 2.1 can comprise an upper connecting plate and a lower connecting plate, the upper connecting plate is fixedly connected with the upper step top arch 2, the lower connecting plate is fixedly connected with the lower step side wall arch 1, the upper connecting plate is fixedly connected with the upper step top arch 2 and the lower connecting plate is fixedly connected with the lower adjusting side wall arch in a welding mode, other modes can be adopted for realizing the fixed connection, the upper connecting plate is fixedly connected with the lower connecting plate through bolts, the arch foot protector comprises a body 3, the plate body can be a seat body or a plate body, the size of an upper clamping groove 3.1 on the body 3 is consistent with the size of the arch foot of the upper step top arch 2, thus, the clamping groove 3.1 can be clamped and fixed on the upper step top arch frame 2, the shape of the clamping groove 3.1 can be a U-shaped open groove 3.2 or a closed open groove 3.2, for example, after the U-shaped open groove 3.2 is clamped and fixed on the upper step top arch frame 2, the U-shaped open slot 3.2 is closed by a sealing plate or a sealing strip to form a closed open slot 3.2, an open slot 3.2 is arranged at the top of the body 3, the opening direction of the open slot 3.2 is downward, the size of the open slot 3.2 is consistent with that of the arch springing connecting plate 2.1, after the body 3 is arranged on the arch centering 2 at the top of the upper step, namely, after the open slot 3.2 is clamped and fixed on the arch center 2 at the top of the upper step, the open slot 3.2 is sleeved on the periphery of the arch foot connecting plate 2.1, the open slot 3.2 realizes the protection to the arch springing connecting plate 2.1, avoids causing the cover to the arch springing connecting plate 2.1 in the concrete spraying process.
In this embodiment, the body 3 may be a seat body or a plate body, the number of the seat body and the body 3 may be one, or may be two seat bodies or two plate bodies that can be connected to each other, and each of the two seat bodies or the plate bodies is provided with a slot 3.1 and an open slot 3.2, so that after one of the seat bodies is fixedly connected to the upper step top arch 2, the slot 3.1 of one seat body is clamped on the upper step top arch 2, the open slot 3.2 of the other seat body is sleeved on the arch connecting plate 2.1, the slot 3.1 of the other seat body or the plate body is clamped on the upper step top arch 2, the open slot 3.2 of the other seat body is sleeved on the arch connecting plate 2.1, and then the two seat bodies and the plate body are fixedly connected to each other, after the two seat bodies or the plate bodies are connected, the open slots 3.2 of the two seat bodies or the plate bodies are sleeved outside the arch connecting plate 2.1 together, thereby realizing protection of the arch connecting plate 2.1, further, the size of two pedestals and two plate bodies can be the same, also can be different, and the size of pedestal and plate body can be selected as required, so can fix body 3 on not equidimension upper step top bow member 2, realize protecting not equidimension hunch foot connecting plate 2.1.
The embodiment of the utility model provides an arch springing protector for tunnel construction, which comprises a body 3 arranged on an arch center, wherein one side of the body 3 is provided with a clamping groove 3.1 corresponding to an arch center 2 at the top of an upper step, the bottom of the body 3 is provided with an open groove 3.2 corresponding to an arch springing connecting plate 2.1, when the clamping groove 3.1 can be clamped and fixed on the arch center 2 at the top of the upper step, the arch springing connecting plate 2.1 is positioned inside the open groove 3.2, so that the arch springing connecting plate 2.1 can be protected by the body 3, the arch springing connecting plate 2.1 is prevented from being covered when concrete is sprayed, later excavation is inconvenient, and meanwhile, after the body 3 is fixed on the arch springing connecting plate 2.1, the arch springing connecting plate 2.1 can be protected in the excavation process of a lower step, and the arch springing is prevented from being damaged by equipment such as excavators.
In this embodiment, preferably, the clamping groove 3.1 includes a U-shaped groove disposed on the body 3, and the U-shaped groove can be embedded and fixed on the arch springing along one side of the upper step top arch 2; the size of the U-shaped groove is matched with the arch springing size of the upper step top arch frame 2, namely, the U-shaped groove can be gradually embedded into and fixed on the upper step top arch frame 2 from one side of the top of the upper step.
In this embodiment, preferably, the length of the opening of the U-shaped groove is the same as the length of the arch springing connecting plate 2.1; so fix the body 3 installation back on last step top bow member 2, U type groove block is fixed back on last step top bow member 2 promptly, and body 3 can protect hunch foot connecting plate 2.1.
In this embodiment, preferably, the opposite sides of the clamping groove 3.1 are both provided with an opening cavity 4, and an elastic sealing plate is arranged in each opening cavity 4; because the size difference of the upper step top arch centering 2, install back on the upper step top arch centering 2 with body 3, there is the clearance between the lateral wall in U type groove and the upper step top arch centering 2, can seal the clearance through the elastic sealing board, avoid the concrete of spraying to enter into on the hunch foot connecting plate 2.1 from the clearance.
In this embodiment, preferably, the elastic sealing plate includes a movable plate 4.1 and an elastic member 4.2, the movable plate 4.1 is slidably connected inside the open cavity 4, and the elastic member 4.2 blocks a moving stroke of the movable plate 4.1 moving to the inside of the open cavity 4; fly leaf 4.1 sliding connection is in open chamber 4, with the body 3 install back on last step top bow member 2, under elastic component 4.2's effect, the elastic plate slides out the butt from open chamber 4 in on the lateral wall of last step top bow member 2, so can seal the clearance between the lateral wall in U type groove and the last step top bow member 2 through fly leaf 4.1, effectively avoid mixing earth to enter into on the hunch foot connecting plate 2.1 from the clearance.
In this embodiment, preferably, the body 3 includes a first seat 3.3 and a second seat 3.4 connected to each other, and the first seat 3.3 and the second seat 3.4 are both correspondingly provided with a slot 3.1 and an open slot 3.2; the side edges of the first seat body 3.3 and the second seat body 3.4 are provided with connecting side plates 3.5, and the connecting side plates 3.5 are fixedly connected through fixing bolts; the sizes of two draw-in grooves 3.1 and two open slots 3.2 are unanimous mutually, after first pedestal 3.3 and second pedestal 3.4 interconnect are fixed, draw-in grooves 3.1 on first pedestal 3.3 and the second pedestal 3.4 align each other and block on last step top bow member 2, two open slots 3.2 align each other and the overcoat is on hunch foot connecting plate 2.1, so can form confined draw-in groove 3.1 and open slot 3.2 through first pedestal 3.3 and second pedestal 3.4, and first pedestal 3.3 and second pedestal 3.4 can form body 3 of fixing on the last step top bow member 2 of equidimension not.
In this embodiment, preferably, the first seat body 3.3 and the second seat body 3.4 are both provided with a fixing structure, and the fixing structures can respectively fix the first seat body 3.3 and the second seat body 3.4 on the top arch frame 2 of the upper step; the fixing structure can be a fixing plate and a driving rod, and after the first seat body 3.3 and the second seat body 3.4 are sleeved on the upper step top arch 2, the first seat body 3.3 and the second seat body 3.4 can be fixed on the upper step top arch 2 through the fixing structure.
In this embodiment, it is preferable that the arch center connecting plate 5 is further included, and is disposed between the body 3 and the body 3, and is used for sealing a gap between the upper step top arch centers 2; the mounting part is arranged on the arch frame connecting plate 5, the fixing part is arranged on the body 3, the fixing part and the mounting part can be screw holes, and the arch frame connecting plate 5 can be fixedly connected to the body 3 through the fixing bolt, the fixing part and the mounting part.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.
Claims (9)
1. The utility model provides an hunch foot protector that tunnel construction used, a serial communication port, including setting up the body on the bow member, the bow member includes lower step side wall bow member, goes up step top bow member and connects the hunch foot connecting plate of lower step side wall bow member and last step top bow member, body one side be provided with the corresponding draw-in groove of last step top bow member, the bottom of body be provided with the corresponding open slot of hunch foot connecting plate works as the draw-in groove block is fixed when going up step top bow member, the hunch foot connecting plate is located inside the open slot.
2. The arch springing protector of claim 1, wherein said locking groove comprises a U-shaped groove formed in said body, said U-shaped groove being adapted to be inserted and fixed into said arch springing along a side of said upper arch.
3. The arch springing protector of claim 2, wherein the length of the opening of the U-shaped groove corresponds to the length of the arch springing connecting plate.
4. The arch springing protector of claim 1, wherein the slot is provided with open cavities on opposite sides thereof, and wherein the open cavities are provided with resilient sealing plates.
5. The arch foot protector of claim 4, wherein the elastic sealing plate comprises a movable plate slidably connected inside the open cavity and an elastic member blocking a movement stroke of the movable plate toward the inside of the open cavity.
6. The arch springing protector of claim 1, wherein the body comprises a first seat and a second seat connected to each other, and the first seat and the second seat are respectively provided with the locking groove and the opening groove.
7. The arch springing protector of claim 6, wherein the side edges of the first and second seat bodies are provided with connecting side plates, and the connecting side plates are fixedly connected by fixing bolts.
8. The arch springing protector of claim 7, wherein said first seat body and said second seat body are each provided with a securing structure, said securing structures being capable of respectively securing said first seat body and said second seat body to said upper step top arch.
9. The arch foot protector of claim 1, further comprising an arch web disposed between the body and the body for sealing a gap between the upper step top arches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122253534.3U CN215633033U (en) | 2021-09-16 | 2021-09-16 | Arch foot protector for tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122253534.3U CN215633033U (en) | 2021-09-16 | 2021-09-16 | Arch foot protector for tunnel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215633033U true CN215633033U (en) | 2022-01-25 |
Family
ID=79917067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122253534.3U Active CN215633033U (en) | 2021-09-16 | 2021-09-16 | Arch foot protector for tunnel construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215633033U (en) |
-
2021
- 2021-09-16 CN CN202122253534.3U patent/CN215633033U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202441391U (en) | End template device for mounting waterstop in tunnel secondary lining concrete | |
| CN215633033U (en) | Arch foot protector for tunnel construction | |
| CN210621505U (en) | Civil engineering road and bridge crack reinforced structure | |
| CN203685204U (en) | Spraying building concealed irregular middle wall combined type multiple-arch tunnel lining structure | |
| JP5893703B2 (en) | Side groove reclaim structure | |
| CN114033451A (en) | Tunnel construction is with board-like intelligent support of automatic flexible shield | |
| CN207846795U (en) | A kind of high intensity back bolt type curtain wall mounting system | |
| CN204646248U (en) | A kind of modularization tunnel | |
| CN206706788U (en) | Latch assembled steel cofferdam | |
| CN220247341U (en) | Roofing mosaic structure of steel construction assembled house | |
| CN220620936U (en) | Positioning and mounting device for building decoration board design | |
| CN218518524U (en) | Door and window frame and steel auxiliary frame installation positioning device | |
| CN219672187U (en) | Prefabricated vertical PC component modulization synchronous positioning template assembly | |
| CN220889443U (en) | Spliced concrete building template | |
| CN218622074U (en) | Hydraulic engineering is with flood prevention water retaining device | |
| CN204126054U (en) | Just dismounting girder steel and the board-like combined type board house of rain-proof cover | |
| CN220419095U (en) | Concrete impermeability instrument | |
| CN218562228U (en) | Over-and-under type flood control wall for hydraulic engineering | |
| CN215829803U (en) | Face and build various steel sheet house waterproof board | |
| CN219931266U (en) | Civil engineering expansion joint waterproof construction | |
| CN218667222U (en) | Rock fall preventing net | |
| CN212200823U (en) | Connecting device for expansion joint of glass curtain wall | |
| CN217152954U (en) | Splicing type damping rubber strip | |
| CN219971641U (en) | Swing structure is prevented in building article hoist and mount | |
| CN219137910U (en) | RPC cover plate structure capable of being spliced and leveled |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |