CN210888971U - Folding arch frame and multi-pin folding arch frame - Google Patents
Folding arch frame and multi-pin folding arch frame Download PDFInfo
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- CN210888971U CN210888971U CN201921003981.XU CN201921003981U CN210888971U CN 210888971 U CN210888971 U CN 210888971U CN 201921003981 U CN201921003981 U CN 201921003981U CN 210888971 U CN210888971 U CN 210888971U
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Abstract
A folding arch center comprises an arch top section, a left storage section, a right storage section, a left arch section and a right arch section, wherein one end of the left storage section is hinged with one end of the arch top section, and the other end of the left storage section is hinged with one end of the left arch section; one end of the right storage section is hinged with the other end of the arch top section, and the other end of the right storage section is hinged with one end of the right arch section; when folding bow member is in fold condition, left side hunch section and right hunch section are folded respectively and are accomodate the section and the right hunch inboard of accomodating the section to a left side, and accomodate the section respectively for the hunch top section with the right side, and are folding to the hunch outside of hunch top section. The folding arch frame is convenient to install in the tunnel quickly.
Description
Technical Field
The utility model relates to an arch center field refers in particular to a folding arch center.
Background
At present, in the tunnel construction process, need erect the steel bow member at the excavation rock face, current construction methods are with a plurality of arch steels fortune to the tunnel in, one section installation concatenation, whole concatenation process is all accomplished in the tunnel. The existing arch center mounting mode has the following defects: the existing arch center is heavy, and the installation of the arch center mainly depends on manual construction; the number of required workers is large, the labor intensity is high, and the efficiency is low. The existing arch center is spliced in the tunnel, the sight line in the tunnel is not good, and splicing alignment is difficult; the existing arch center is mostly connected by flanges and sleeves, and a large amount of manpower is needed for matching construction during field installation. The existing arch center construction can not be matched with the mechanized site construction of the arch center.
Disclosure of Invention
The utility model aims to provide a: in order to solve the problems, the folding arch frame and the multiple folding arch frames are provided; the folding arch frame and the multiple folding arch frames are formed by hinging a plurality of arch sections and can be folded, so that the height of the arch frame is reduced, the arch frame can be conveniently transported into a tunnel, and the stability of the arch frame in a transportation project can be ensured; the arch can be conveniently erected in the tunnel when being unfolded, the arch is prevented from being spliced in the tunnel on site, and labor and the erection time of the arch are saved.
The utility model adopts the technical scheme as follows:
a folding arch center comprises an arch top section, a left storage section, a right storage section, a left arch section and a right arch section, wherein one end of the left storage section is hinged with one end of the arch top section, and the other end of the left storage section is hinged with one end of the left arch section; one end of the right storage section is hinged with the other end of the arch top section, and the other end of the right storage section is hinged with one end of the right arch section; when folding bow member is in fold condition, left side hunch section and right hunch section are folded respectively and are accomodate the section and the right hunch inboard of accomodating the section to a left side, and accomodate the section respectively for the hunch top section with the right side, and are folding to the hunch outside of hunch top section.
Due to the structure, after being spliced outside the tunnel, the arch sections are folded and transported into the tunnel and then can be directly unfolded in the tunnel, so that the condition that one section of arch centering is spliced in the tunnel is avoided, and the difficulty in splicing and aligning the existing arch centering in the tunnel due to poor sight is overcome. The arch center is convenient to erect, excessive people are not needed to be matched with the arch center for installation, and manpower and erection time are saved. Simultaneously, folding bow member is formed by a plurality of archs section are articulated, when left arch section and right arch section are folded to the left side and are accomodate the section and the right side and accomodate the arch of end when inboard, can reduce the height of whole bow member, are convenient for transport this bow member to in the tunnel. Simultaneously, the left storage section and the right storage end are folded towards the outer side of the arch top section, the height of the arch after the arch frame is folded can be further reduced, and the transportation of the arch frame in the tunnel is facilitated.
Furthermore, the arc lengths of the left accommodating section and the right accommodating section are equal, and the arc lengths of the left arch section and the right arch section are equal; when the folding arch frame is in a folding state, the left arch section and the right arch section are respectively symmetrically folded to the inner sides of the arches of the left storage section and the right storage section, and the left storage section and the right storage section are respectively symmetrically folded to the outer sides of the arches of the arch top section.
In the structure, due to the symmetrical structure, the arch frame can keep balance in the transportation process, and the transportation is more stable. Meanwhile, the arch frame can be conveniently unfolded through mechanical equipment in the tunnel, when the arch frame is unfolded, the arch top section is lifted through the mechanical arms, and then the left arch section and the right arch section are symmetrically unfolded through other auxiliary mechanical arms, so that the whole arch frame is kept balanced in the unfolding process; due to symmetry, the mechanical operation is convenient, and manpower and material resources are saved.
Furthermore, the left arch section comprises a plurality of left sub-arch sections with the same arc length, and all the left sub-arch sections are sequentially connected in series in a hinged mode; the right arch section comprises a plurality of right sub-arch sections with the same arc length, and the right sub-arch sections are sequentially connected in series in a hinged mode;
or the left arch section comprises a plurality of left sub-arch sections with different arc lengths, and the left sub-arch sections are sequentially connected in series in a hinged mode, wherein the arc length of each left sub-arch section is gradually reduced from the hinged end of the left arch section and the left accommodating section to the other end of the left arch section; the right side encircles the section and includes the unequal right sub-arch section of a plurality of arc length, and each right sub-arch section concatenates in proper order through articulated mode, and wherein accomodate the articulated end of section to the other end of right arch section from the right side to encircle the section with the right side, the arc length of each right sub-arch section reduces gradually.
Due to the structure, the left arch section and the right arch section are formed by the plurality of sub-arch sections, so that the left arch section and the right arch section can be folded again, the height of the whole arch after being folded is further reduced, and the whole arch is convenient to transport into a tunnel. When the lengths of the sub-arch sections are different, the short sub-arch section can be folded into the long sub-arch section to wrap the short sub-arch section, so that the height of the folded whole arch truss is further reduced, the structure is more compact, and the transportation is convenient.
Furthermore, in each left sub-arch section, a left sub-arch section hinged with the left storage section is a first left sub-arch section; when the arch frame is in a folded state, the first left sub-arch section is folded to the inner side of the left storage section, and the rest left sub-arch sections are also folded to the inner side of the left storage section and are positioned at the inner side of the first left sub-arch section;
in each right sub-arch section, a right sub-arch section hinged with the right storage section is a first right sub-arch section; when the arch frame is in a folded state, the first right sub-arch section is folded to the inner side of the right storage section, and the rest right sub-arch sections are also folded to the inner side of the right storage section and are positioned at the inner side of the first right sub-arch section.
Further, the arc length of the first left sub-arch section is less than or equal to that of the left accommodating section; the arc length of the first right sub-arch section is less than or equal to the arc length of the right storage section.
Furthermore, all the adjacent arch sections are connected together through hinge type hinges; the hinge type hinge comprises a hinge shaft and two connecting plates which are sleeved on the hinge shaft and can respectively rotate around the hinge shaft, wherein the plate surface of one connecting plate is connected with the end surface of one arch section in two adjacent arch sections, and the plate surface of the other connecting plate is connected with the end surface of the other arch section in two adjacent arch sections; the hinge shaft is parallel to the extending direction of the tunnel.
Furthermore, a hinge shaft at the hinge joint of the left storage section and the arch top section is positioned at the arch outer side of the left storage section and the arch top section; a hinged shaft at the hinged position of the right accommodating section and the arch top section is positioned at the arch outer side of the right accommodating section and the arch top section;
a hinged shaft at the hinged position of the left accommodating section and the left arch section is positioned at the arch inner side of the left accommodating section and the left arch section; the articulated shaft of the right storage section and the right arch section at the articulated position is positioned at the arch inner side of the right storage section and the right arch section.
In the structure, a hinge shaft at the hinge joint of the left accommodating section and the arch top section is positioned at the arch outer side of the left accommodating section and the arch top section; the articulated shaft of the articulated department of section and hunch top section is accomodate with the hunch top section in the right side and is located the hunch outside of section and hunch top section, can make the left side accomodate the section and accomodate the section with the right side as far as and fold to the hunch outside of hunch top section, increase degree of buckling. A hinged shaft at the hinged position of the left accommodating section and the left arch section is positioned at the arch inner side of the left accommodating section and the left arch section; the articulated shaft that the section was accomodate with the articulated department of right arch section to the right side is located the arch inboard that the section was accomodate with the right side to the right side, can make left arch section and right arch section accomodate the section as far as respectively left and the arch inboard of right side section of accomodating is folding, increases the degree of buckling.
Furthermore, in the left arch section, the articulated shaft at the articulated part of each adjacent left sub-arch section is positioned at the inner side or the outer side of the arch of the two adjacent left sub-arch sections;
in the right arch section, the articulated shaft at the articulated part of each adjacent right sub-arch section is positioned at the inner side or the outer side of the arch of the adjacent two right sub-arch sections.
Furthermore, the plate surfaces of the two connecting plates are respectively provided with a plurality of bolt holes corresponding to the positions; when the folding arch frame is unfolded in place, the adjacent two arch sections are connected through the matching of the bolts and the bolt holes.
The utility model also discloses a many pin folding bow member, it includes the above-mentioned folding bow member more than two, folding bow member is parallel arrangement each other, and wherein all strengthen the connecting rod through a plurality of roots between two adjacent folding bow members and link to each other.
Or the foldable arch center comprises more than two foldable arch centers which are arranged in parallel, wherein the two adjacent foldable arch centers are connected through a plurality of reinforcing connecting rods and/or reinforcing meshes.
Due to the structure, the plurality of folding arches are formed by the plurality of folding arches, so that the plurality of folding arches are erected in the tunnel once, namely the plurality of folding arches are erected in the tunneling direction of the tunnel; thereby improving the erection efficiency and saving the manpower.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model discloses a folding bow member is formed by a plurality of arch sections are articulated, makes the bow member fold, reduces the height of bow member, and the bow member of being convenient for transports to in the tunnel. Meanwhile, the arch center can be directly unfolded in the tunnel, so that the arch center can be erected conveniently. Because the symmetrical setting of bow member structure can make whole bow member keep balance in the transportation erection process. The arch center is formed by hinging a plurality of arch sections and can be directly unfolded into the arch center in the tunnel, thereby avoiding the splicing of the arch center in one section in the tunnel. The splicing alignment difficulty caused by poor sight in the tunnel of the existing arch frame is overcome. The arch center is convenient to erect, so that manpower and erection time can be saved.
The multiple folding arches are formed by a plurality of folding arches, so that the multiple folding arches are erected in the tunnel once, namely the multiple folding arches are erected in the tunneling direction of the tunnel; thereby improving the erection efficiency and saving the manpower.
Drawings
FIG. 1 is a collapsed view of the collapsed arch;
FIG. 2 is an expanded view of the folding arch;
FIG. 3 is a block diagram of a hinge;
FIG. 4 is a folded view of a multiple arch collapsed arch;
fig. 5 is a view showing an expanded state of a plurality of arch foldable arches.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
A folding arch center comprises an arch top section 1, a left storage section 2-1, a right storage section 2-2, a left arch section and a right arch section, wherein one end of the left storage section 2-1 is hinged with one end of the arch top section 1, and the other end of the left storage section 2-1 is hinged with one end of the left arch section; one end of the right storage section 2-2 is hinged with the other end of the arch top section 1, and the other end of the right storage section 2-2 is hinged with one end of the right arch section; when the folding arch is in a folding state, the left arch section and the right arch section are respectively folded to the inner sides of the left storage section 2-1 and the right storage section 2-2, and the left storage section 2-1 and the right storage section 2-2 are respectively folded towards the outer side of the arch top section 1 relative to the arch top section 1.
The arc lengths of the left accommodating section 2-1 and the right accommodating section 2-2 are equal, and the arc lengths of the left arch section and the right arch section are equal; when the folding arch frame is in a folding state, the left arch section and the right arch section are respectively and symmetrically folded to the inner sides of the left storage section 2-1 and the right storage section 2-2, and the left storage section 2-1 and the right storage section 2-2 are respectively and symmetrically folded to the outer sides of the arch top section 1.
The left arch section comprises a plurality of left sub-arch sections 3-1 with the same arc length, and the left sub-arch sections 3-1 are sequentially connected in series in a hinged mode; the right arch section comprises a plurality of right sub-arch sections 3-2 with the same arc length, and the right sub-arch sections 3-2 are sequentially connected in series in a hinged mode;
or the left arch section comprises a plurality of left sub-arch sections 3-1 with different arc lengths, and the left sub-arch sections 3-1 are sequentially connected in series in a hinged mode, wherein the arc length of each left sub-arch section 3-1 is gradually reduced from the hinged end of the left arch section and the left accommodating section 2-1 to the other end of the left arch section; the right arch section comprises a plurality of right sub-arch sections 3-2 with different arc lengths, and the right sub-arch sections 3-2 are sequentially connected in series in a hinged mode, wherein the arc length of each right sub-arch section 3-2 is gradually reduced from the hinged end of the right arch section and the right accommodating section 2-2 to the other end of the right arch section;
the number of the left sub-arch sections 3-1 and the number of the right sub-arch sections 3-2 may be equal or unequal, as shown in fig. 1, in this embodiment, the left arch section and the right arch section respectively include two left sub-arch sections 3-1 and right sub-arch sections 3-2 with unequal arc lengths.
In each left sub-arch section 3-1, the left sub-arch section 3-1 hinged with the left storage section 2-1 is a first left sub-arch section; when the arch frame is in a folded state, the first left sub-arch section is folded to the inner side of the left storage section 2-1, and the other left sub-arch sections 3-1 are also folded to the inner side of the left storage section 2-1 and are positioned at the inner side of the first left sub-arch section; as shown in fig. 1, the shorter left sub-arch section 3-1 folds to the intrados of the first left sub-arch section.
In each right sub-arch section 3-2, the right sub-arch section 3-2 hinged with the right storage section 2-2 is a first right sub-arch section; when the arch is in the folded state, the first right sub-arch section is folded to the arch inner side of the right storage section 2-2, and the rest right sub-arch sections 3-2 are also folded to the arch inner side of the right storage section 2-2 and are positioned at the arch inner side of the first right sub-arch section. As shown in fig. 1, the shorter right sub-arch section 3-2 is folded to the intrados of the first right sub-arch section.
The arc length of the first left sub-arch section is less than or equal to the arc length of the left accommodating section 2-1; the arc length of the first right sub-arch section is less than or equal to the arc length of the right accommodating section 2-2.
Furthermore, all the adjacent arch sections are connected together through hinge type hinges; the hinge type hinge comprises a hinge shaft 4 and two connecting plates 5 which are sleeved on the hinge shaft 4 and can respectively rotate around the hinge shaft 4, wherein the plate surface of one connecting plate 5 is connected with the end surface of one arch section in two adjacent arch sections, and the plate surface of the other connecting plate 5 is connected with the end surface of the other arch section in two adjacent arch sections; the hinge shaft is parallel to the extending direction of the tunnel.
A hinge shaft 4 at the hinge joint of the left storage section 2-1 and the arch top section 1 is positioned at the arch outer side of the left storage section 2-1 and the arch top section 1; a hinged shaft 4 at the hinged part of the right accommodating section 2-2 and the arch top section 1 is positioned at the arch outer side of the right accommodating section 2-2 and the arch top section 1;
a hinge shaft 4 at the hinge joint of the left storage section 2-1 and the left arch section is positioned at the arch inner side of the left storage section 2-1 and the left arch section;
and a hinge shaft 4 at the hinge joint of the right storage section 2-2 and the right arch section is positioned at the arch inner side of the right storage section 2-2 and the right arch section.
In the left arch section, a hinge shaft 4 at the hinge joint of each adjacent left sub-arch section 3-1 is positioned at the arch inner side or the arch outer side of the adjacent two left sub-arch sections 3-1; in the present embodiment, as shown in fig. 1, the hinge axis 4 at the hinge joint of each adjacent left sub-arch section 3-1 is located at the arch inner side of the adjacent two left sub-arch sections 3-1;
in the right arch section, a hinge shaft 4 at the hinge joint of each adjacent right sub-arch section 3-2 is positioned at the arch inner side or the arch outer side of the adjacent two right sub-arch sections 3-2; in the present embodiment, as shown in fig. 1, the hinge axis 4 at the hinge of each adjacent left sub-arch section 3-1 is located at the arch inner side of the adjacent two left sub-arch sections 3-1.
The plate surfaces of the two connecting plates 5 are also respectively provided with a plurality of bolt holes corresponding in position; when the folding arch frame is unfolded in place, the adjacent two arch sections are connected through the matching of the bolts and the bolt holes. As shown in fig. 3, each connecting plate 5 is provided with 4 bolt holes.
Example 2
As shown in fig. 4 and 5, a multi-arch comprises more than two folding arches as described in embodiment 1, the folding arches are arranged in parallel, and two adjacent folding arches are connected through a plurality of reinforcing connecting rods.
Or it comprises more than two folding arches as described in embodiment 1, which are arranged in parallel, wherein two adjacent folding arches are connected by a plurality of reinforcing connecting rods and/or reinforcing mesh.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A folding arch, characterized in that: the novel storage device comprises an arch top section (1), a left storage section (2-1), a right storage section (2-2), a left arch section and a right arch section, wherein one end of the left storage section (2-1) is hinged with one end of the arch top section (1), and the other end of the left storage section (2-1) is hinged with one end of the left arch section; one end of the right storage section (2-2) is hinged with the other end of the arch top section (1), and the other end of the right storage section (2-2) is hinged with one end of the right arch section; when the folding arch frame is in a folding state, the left arch section and the right arch section are respectively folded to the arch inner sides of the left storage section (2-1) and the right storage section (2-2), and the left storage section (2-1) and the right storage section (2-2) are respectively folded towards the arch outer side of the arch top section (1) relative to the arch top section (1).
2. The folding arch of claim 1, wherein: the arc lengths of the left accommodating section (2-1) and the right accommodating section (2-2) are equal, and the arc lengths of the left arch section and the right arch section are equal; when the folding arch frame is in a folding state, the left arch section and the right arch section are respectively and symmetrically folded to the arch inner sides of the left storage section (2-1) and the right storage section (2-2), and the left storage section (2-1) and the right storage section (2-2) are respectively and symmetrically folded towards the arch outer side of the arch top section (1).
3. A folding arch, according to claim 1 or 2, characterised in that: the left arch section comprises a plurality of left sub-arch sections (3-1) with the same arc length, and all the left sub-arch sections (3-1) are sequentially connected in series in a hinged mode; the right arch section comprises a plurality of right sub-arch sections (3-2) with the same arc length, and the right sub-arch sections (3-2) are sequentially connected in series in a hinged mode;
or the left arch section comprises a plurality of left sub-arch sections (3-1) with different arc lengths, and the left sub-arch sections (3-1) are sequentially connected in series in a hinged mode, wherein the arc length of each left sub-arch section (3-1) is gradually reduced from the hinged end of the left arch section and the left accommodating section (2-1) to the other end of the left arch section; the right arch section comprises a plurality of right sub-arch sections (3-2) with different arc lengths, each right sub-arch section (3-2) is sequentially connected in series in a hinged mode, and the arc lengths of the right sub-arch sections (3-2) are gradually reduced from the hinged end of the right arch section and the right accommodating section (2-2) to the other end of the right arch section.
4. A folding arch, as set forth in claim 3, wherein:
in each left sub-arch section (3-1), the left sub-arch section (3-1) hinged with the left storage section (2-1) is a first left sub-arch section; when the arch frame is in a folded state, the first left sub-arch section is folded to the inner side of the left storage section (2-1), and the rest left sub-arch sections (3-1) are also folded to the inner side of the left storage section (2-1) and are positioned at the inner side of the first left sub-arch section;
in each right sub-arch section (3-2), the right sub-arch section (3-2) hinged with the right storage section (2-2) is a first right sub-arch section; when the arch is in a folded state, the first right sub-arch section is folded to the inner arch side of the right storage section (2-2), and the rest right sub-arch sections (3-2) are also folded to the inner arch side of the right storage section (2-2) and are positioned at the inner arch side of the first right sub-arch section.
5. The folding arch of claim 4, wherein: the arc length of the first left sub-arch section is less than or equal to the arc length of the left accommodating section (2-1); the arc length of the first right sub-arch section is less than or equal to the arc length of the right storage section (2-2).
6. A folding arch, according to any of claims 1, 2, 4 or 5, characterised in that: all adjacent arch sections are connected together through hinge type hinges; the hinge type hinge comprises a hinge shaft (4) and two connecting plates (5) which are sleeved on the hinge shaft (4) and can rotate around the hinge shaft (4) respectively, wherein the plate surface of one connecting plate (5) is connected with the end surface of one arch section of two adjacent arch sections, and the plate surface of the other connecting plate (5) is connected with the end surface of the other arch section of two adjacent arch sections; the hinge shaft is parallel to the extending direction of the tunnel.
7. The folding arch of claim 6, wherein: a hinge shaft (4) at the hinge joint of the left storage section (2-1) and the arch top section (1) is positioned at the arch outer side of the left storage section (2-1) and the arch top section (1); a hinged shaft (4) at the hinged part of the right storage section (2-2) and the arch top section (1) is positioned at the arch outer side of the right storage section (2-2) and the arch top section (1);
a hinged shaft (4) at the hinged part of the left accommodating section (2-1) and the left arch section is positioned at the arch inner sides of the left accommodating section (2-1) and the left arch section;
the articulated shaft (4) at the articulated part of the right storage section (2-2) and the right arch section is positioned at the arch inner side of the right storage section (2-2) and the right arch section.
8. The folding arch of claim 7, wherein:
in the left arch section, a hinged shaft (4) at the hinged part of each adjacent left sub-arch section (3-1) is positioned at the arch inner side or the arch outer side of the adjacent two left sub-arch sections (3-1);
in the right arch section, the articulated shaft (4) at the articulated part of each adjacent right sub-arch section (3-2) is positioned at the arch inner side or the arch outer side of the adjacent two right sub-arch sections (3-2).
9. The folding arch of claim 6, wherein: the plate surfaces of the two connecting plates (5) are also respectively provided with a plurality of bolt holes corresponding in position; when the folding arch frame is unfolded in place, the adjacent two arch sections are connected through the matching of the bolts and the bolt holes.
10. A many pin folding bow member which characterized in that: it comprises two or more folding arches as claimed in any one of claims 1 to 9, arranged parallel to each other, wherein two adjacent folding arches are connected by a plurality of reinforcing connecting rods;
or it comprises two or more than two folding arches as claimed in any one of claims 1 to 9, arranged parallel to each other, wherein two adjacent folding arches are connected to each other by means of a plurality of reinforcing connecting rods and/or reinforcing meshes.
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| CN2019208460177 | 2019-06-05 | ||
| CN201920846017 | 2019-06-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112031833A (en) * | 2020-09-14 | 2020-12-04 | 银西铁路有限公司 | Tunnel construction method using folding steel arch frame net as support |
| CN115217495A (en) * | 2022-07-06 | 2022-10-21 | 四川蓝海智能装备制造有限公司 | Sectional type arch center and installation method |
-
2019
- 2019-06-28 CN CN201921003981.XU patent/CN210888971U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112031833A (en) * | 2020-09-14 | 2020-12-04 | 银西铁路有限公司 | Tunnel construction method using folding steel arch frame net as support |
| CN115217495A (en) * | 2022-07-06 | 2022-10-21 | 四川蓝海智能装备制造有限公司 | Sectional type arch center and installation method |
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