CN113586098B - Detachable connection support equipment - Google Patents
Detachable connection support equipment Download PDFInfo
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- CN113586098B CN113586098B CN202010367018.0A CN202010367018A CN113586098B CN 113586098 B CN113586098 B CN 113586098B CN 202010367018 A CN202010367018 A CN 202010367018A CN 113586098 B CN113586098 B CN 113586098B
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- 238000009434 installation Methods 0.000 claims abstract description 13
- 239000011435 rock Substances 0.000 claims description 36
- 230000007704 transition Effects 0.000 claims description 26
- 230000007246 mechanism Effects 0.000 claims description 18
- 230000008859 change Effects 0.000 abstract description 12
- 239000000203 mixture Substances 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 description 15
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 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
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
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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
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
- E21D11/183—Supporting means for arch members, not provided for in E21D11/22
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The application provides a demountable connection's supporting equipment, including at least one arched beam, every arched beam disposes two flank roof beams, and the arched beam includes the arc roof beam and sets up the deformation roof beam at arc roof beam both ends, and the connection is dismantled with the side spar to the deformation roof beam. In the supporting equipment that this application embodiment provided, because the deformation roof beam and the side spar of arched beam can be dismantled and be connected, made things convenient for the transportation and the installation of supporting equipment, moreover, to the tunnel that the arch size of tunnel is the same, the different tunnel of altitude mixture control, through change the flank roof beam can, need not change again and install arched beam, reduced the cost of tunnel support. Meanwhile, the arched beam comprises an arc-shaped beam and deformed beams arranged at two ends of the arc-shaped beam, and the horizontal length of the arched beam is prolonged by arranging the deformed beams, so that the space of the tunnel after supporting, particularly the effective space in the middle of the tunnel after supporting, is obviously enlarged.
Description
Technical Field
The application relates to the technical field of tunnel supporting engineering, in particular to supporting equipment capable of being detachably connected.
Background
At present, most of supporting devices applied in arched tunnels are steel arch supporting sheds, which comprise arch beams and side wing beams connected with the arch beams, wherein the arch beams are mainly used for supporting top surrounding rocks, and the side wing beams are used for supporting the arch beams and are used for supporting side walls of the arched tunnels. The arched girder and the flank girder of the existing steel arch support shed are integrally formed, which brings inconvenience to transportation and installation.
In addition, for other tunnels with the same arch size and different heights, the heights of the side wing beams need to be redesigned, so that the integrally formed arch beams and the side wing beams need to be replaced, or the hydraulic support columns for supporting the side wing beams need to be replaced again, inconvenience is brought to the production and installation of the steel arch support shed, and the cost of tunnel support is increased.
Disclosure of Invention
The utility model provides a shortcoming to current mode provides a demountable connection's supporting equipment for solve among the prior art steel bow member support canopy's arched girder and flank roof beam integrated into one piece structure, inconvenient transportation and the technical problem of installation.
In a first aspect, embodiments of the present application provide a detachably connected bracing apparatus comprising at least one arched beam, each arched beam being configured with two side spars;
the arched beam comprises an arc beam and deformation beams arranged at two ends of the arc beam;
the deformed beam is detachably connected with the side spar.
Optionally, the deformation beam extends outwardly away from an end of the arc beam and is detachably connected to the side spar.
Optionally, one end of the deformation beam away from the arc beam is used for supporting a side roof or a side wall of the tunnel;
the deformed beam is provided with a plug-in port matched with the shape of the end part of the flank beam, and the flank beam is plugged in the plug-in port.
Optionally, the deformation beam is provided with a connecting piece, and the flank beam is provided with a connector matched with the connecting piece.
Optionally, the deformation beam comprises a transition section and an arc-shaped section, the transition section is connected with the arc-shaped section, and one end of the transition section, which is far away from the arc-shaped section, is connected with the arc-shaped beam;
one end of the arc section far away from the transition section is used for being attached to the side roof or the side wall of the tunnel;
the radian of the outer side surface of the arc section is used for being matched with the radian of the side roof or the side upper.
Optionally, the arc section is provided with a plug-in port matched with the shape of the end part of the flank girder, and the flank girder is plugged in the plug-in port.
Optionally, the arc section is provided with a connecting piece, and the flank beam is provided with a connector matched with the connecting piece.
Optionally, the arcuate beams include a first arcuate beam and a second arcuate beam, the first arcuate beam and the second arcuate beam being hinged by a connector.
Optionally, the support device further comprises a support column for supporting the side spar, the support column being detachably connected to the side spar.
In a second aspect, embodiments of the present application provide a detachably connected bracing apparatus comprising at least one arched beam, each arched beam being configured with at least two support columns;
the arched beam comprises an arc beam and deformation beams arranged at two ends of the arc beam;
the deformed beam is detachably connected with the support column.
The beneficial technical effects that technical scheme that this application embodiment provided brought include:
in the supporting equipment that this application embodiment provided, because the deformation roof beam and the side spar of arched beam can be dismantled and be connected, made things convenient for the transportation and the installation of supporting equipment, moreover, to the tunnel that the arch size of tunnel is the same, the different tunnel of altitude mixture control, through change the flank roof beam can, need not change again and install arched beam, reduced the cost of tunnel support.
Meanwhile, the arched beam comprises an arc-shaped beam and deformed beams arranged at two ends of the arc-shaped beam, and the horizontal length of the arched beam is prolonged by arranging the deformed beams, so that the space of the tunnel after supporting, particularly the effective space in the middle of the tunnel after supporting, is obviously enlarged.
Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of a detachably connected supporting device according to an embodiment of the present application;
fig. 2 is a schematic structural view of another detachably connected supporting device according to an embodiment of the present application.
Fig. 3 is a schematic structural view of yet another detachably connected supporting device according to an embodiment of the present application.
Description of the reference numerals
100-surrounding rock; 101-side roof; 102-side wall;
10-arched beams; 11-arc beams; 111-a first arc beam; 112-a second arc beam; 113-a connector; 12-deforming the beam; 121-transition section; 122-arc segments;
20-side spars;
30-a telescopic mechanism;
40-supporting columns;
50-connecting beams;
60-pin penetration.
Detailed Description
Examples of embodiments of the present application are illustrated in the accompanying drawings, in which like or similar reference numerals refer to like or similar elements or elements having like or similar functionality throughout. Further, if detailed description of the known technology is not necessary for the illustrated features of the present application, it will be omitted. The embodiments described below by referring to the drawings are exemplary only for the purpose of illustrating the present application and are not to be construed as limiting the present application.
It will be understood by those skilled in the art that all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless expressly stated otherwise, as understood by those skilled in the art. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected or connected to the other element or intervening elements may also be present. The term "and/or" as used herein includes all or any element and all combination of one or more of the associated listed items.
The following describes the technical solutions of the present application and how the technical solutions of the present application solve the above technical problems in detail with specific embodiments.
As shown in fig. 1, a schematic structural view of a detachably connected supporting device according to an embodiment of the present application includes at least one arched beam 10, where each arched beam 10 is configured with two side-wing beams 20; the arched beam 10 comprises an arc beam 11 and deformation beams 12 arranged at two ends of the arc beam 11; the deformed beam 12 is detachably connected to the side wing beams 20.
In the supporting equipment that this application embodiment provided, because the deformation roof beam and the side spar of arched beam can be dismantled and be connected, made things convenient for the transportation and the installation of supporting equipment, moreover, to the tunnel that the arch size of tunnel is the same, the different tunnel of altitude mixture control, through change the flank roof beam can, need not change again and install arched beam, reduced the cost of tunnel support.
Meanwhile, the arched beam comprises an arc-shaped beam and deformed beams arranged at two ends of the arc-shaped beam, and the horizontal length of the arched beam is prolonged by arranging the deformed beams, so that the space of the tunnel after supporting, particularly the effective space in the middle of the tunnel after supporting, is obviously enlarged.
Specifically, in the prior art, the arched girder of the tunnel supporting shed and the vertical flank girder are integrally formed, and the arched girder and the flank girder are connected in a smooth transition manner, namely, the arched girder is changed into a vertical downward direction along with tangent change of the arch and the straight line, and is connected with the vertical flank girder. In the embodiment of the application, the side spar 20 is detachably connected with the deformation beams 12 at two ends of the arched beam 10, so that the transportation and the installation of the supporting equipment are convenient.
In this embodiment, the arched beam 10 includes an arc beam 11 and deformation beams 12 disposed at two ends of the arc beam 11, where the deformation beams 12 change the original extending direction of the arched beam 10, so that two ends of the arched beam 10, that is, the deformation beams 12, extend towards the side roof 101 of the tunnel surrounding rock 100, so as to extend the horizontal length of the arched beam 10, and further make the side wing beams 20 as close to the side walls 102 of the tunnel surrounding rock 100 as possible, so that the tunnel space after supporting, especially the effective space in the middle of the tunnel after supporting, is obviously enlarged.
In the embodiment of the present application, the shape of the surrounding rock 100 shown in fig. 1 is not a shape to be defined in the present application, and the outline of the surrounding rock 100 is only for illustrating the positional relationship and the contact connection relationship between each component of the supporting device disposed in the tunnel of the surrounding rock 100 and the surrounding rock 100.
In one embodiment of the present application, the deformed beam 12 extends outwardly away from one end of the arched beam 11 and is removably attached to the side wing beams 20. As shown in fig. 1, the deformation beam 12 in the support device is embodied as a cross beam, which has a rectangular cross section, extends horizontally outwards away from one end of the arc beam 11 and is connected to a side wing beam 20. One end of the cross beam extends horizontally outward as compared to the arcuate beam 11 until connected to an upwardly extending side wing beam 20. Of course, the deformation beams 12 may also extend obliquely outwards, i.e. the deformation beams 12 extend simultaneously towards the bottom surface of the tunnel while extending outwards. It should be noted that, in the embodiment of the present application, the outward extension refers to that the deformed beam 12 extends toward the side roof 101 or the side wall 102 of the surrounding rock 100 of the tunnel, as shown in fig. 1, the tunnel in which the supporting device is located is inside, and the surrounding rock 100 around the tunnel is outside.
One end of the deformed beam 12, which is far away from the arc beam 11, is used for supporting a side roof 101 or a side wall 102 of the tunnel; as shown in fig. 1, the flank beams 20 are vertically installed in a direction perpendicular to the horizontal plane of the tunnel, the deformation beams 12 of the arched beams 10 change the original arc extending direction of the arched beams 10, the deformation beams 12 extend towards the side tops 101 of the surrounding rocks 100 of the tunnel and contact with the side tops 101 or the side walls 102, and the outline of the outer side surfaces of the deformation beams 12 are matched with the outline of the inner walls of the side tops 101. Compared with the supporting equipment in the prior art, the projection length of the arched beam 10 in the direction parallel to the horizontal plane of the tunnel is increased, so that the space of the tunnel after the supporting equipment is supported is obviously enlarged; moreover, the deformation beam 12 contacts the roof 101 or the side wall 102, and functions to support the roof 101 or the side wall 102 of the tunnel. Of course, in the case where the connection beam 50 supports the side roof 101 or the side wall 102 of the tunnel surrounding rock 100, the deformation beam 12 is directly connected to the connection beam 50 without being in contact with the side roof 101 or the side wall 102 of the tunnel surrounding rock 100.
Compared with arched beams in the prior art, the deformed beam 12 of the arched beam 10 in the supporting device of the embodiment of the application can directly support the side roof 101 of the tunnel, and the outline of the outer side surface of the deformed beam 12 is matched with the outline of the inner wall of the side roof 101, so that the contact area between the deformed beam 12 and the side roof 101 is ensured, the arched beam 10 in the supporting device of the embodiment of the application can play a role in supporting the side roof 101 of surrounding rock, and the stability of the surrounding rock and the supporting device is enhanced.
The deformed beam 12 is detachably connected with the flank beams 20 in a plugging manner. Specifically, the deformation beam 12 is provided with a plug-in port matched with the shape of the end part of the side wing beam 20, and the side wing beam 20 is plugged in the plug-in port, so that the detachable connection of the deformation beam 12 and the side wing beam 20 is realized.
In the field installation process, in order to further ensure the stability of the deformation beam 12 and the side wing beam 20 after installation, a plurality of penetrating pins 60 penetrating the deformation beam 12 and the side wing beam 20 are required to be arranged, and the deformation beam 12 and the side wing beam 20 are further locked through the penetrating pins 60; when the deformed beam 12 and the side spar 20 need to be disassembled, the deformed beam 12 and the side spar 20 can be disassembled only by pulling out the penetrating pins 60 and pulling out the side spar 20 from the insertion interface of the deformed beam 12. Of course, the insertion port may also penetrate through the deformed beam 12, so that the side wing beam 20 may penetrate through the deformed beam 12, and lock the deformed beam 12 and the side wing beam 20 through the penetrating pin 60, so as to achieve the purpose that the side wing beam 20 supports the side top 101 of the tunnel surrounding rock 100 or the top of the surrounding rock 100.
The insertion port may be provided on the side spar 20, and the deformation beam 12 may be inserted into the insertion port. The position of the plug-in interface can be set according to actual requirements.
The deformed beam 12 and the side wing beams 20 may also be detachably connected in other ways. Specifically, the deformation beam 12 is provided with a connector, and the side spar 20 is provided with a snap-fit to the connector. In this embodiment, the connector may be a clamping strap, and the clamping connector may be a clamping strap head matched with the clamping strap, and the deformed beam 12 and the side wing beam 20 are detachably connected by means of a clamping strap. Of course, the connection member is also a flange, and the clamping joint can be a bolt matched with the clamping belt, and the detachable connection of the deformed beam 12 and the side wing beam 20 is realized by a flange joint mode.
In order to further secure the stability of the deformation beam 12 and the side wing beam 20 after installation, a plurality of penetrating pins 60 penetrating the deformation beam 12 and the side wing beam 20 may be provided, and the deformation beam 12 and the side wing beam 20 may be further locked by the penetrating pins 60.
The side wing beam 20 may be provided with a clamping groove, and the deformed beam 12 may be provided with a clamping connector matching the clamping groove. The positions of the clamping grooves and the clamping joints can be set according to actual requirements.
It should be further noted that, when the geological condition of the tunnel surrounding rock 100 is good, especially the natural stability of the side wall 102 is good, at this time, the side wall 102 of the tunnel surrounding rock 100 does not need to be supported by a supporting device, as shown in fig. 1, a certain gap is provided between the side wing beam 20 and the side wall 102 of the supporting device, so that the connection position between the side wing beam 20 and the arched beam 10 can be ensured to be as high as possible, so that the effective space in the middle of the tunnel after the supporting is enlarged, and the effective length of the supporting column 40 and the side wing beam 20 can be ensured to be increased, thereby increasing the telescopic travel of the supporting column.
In one embodiment of the present application, if the natural stability of the tunnel surrounding rock 100 side wall 102 is poor, the side wall 102 needs to be supported by the supporting device, and at this time, the outer side of the side spar 20 of the supporting device may be attached to the side wall 102 of the tunnel. In this case, the concrete form of the deformed beam 12 needs to be redesigned in order to ensure that the tunnel intermediate space after the support can be enlarged.
Specifically, as shown in fig. 2, the deformation beam 12 includes a transition section 121 and an arc-shaped section 122, the transition section 121 is connected with the arc-shaped section 122, and one end of the transition section 121 away from the arc-shaped section 122 is connected with the arc-shaped beam 122; one end of the arc-shaped section 122, which is far away from the transition section 121, is used for being attached to the side roof 101 or the side wall 102 of the tunnel; the curvature of the outer side of the arc-shaped section 122 is matched with the curvature of the side top 101 or the side upper 102. In this embodiment, the transition section 121 and the arc-shaped section 122 are integrally formed to form the deformed beam 12, and here, for convenience in describing the deformed beam 12 in detail, the deformed beam 12 is split into the transition section 121 and the arc-shaped section 122.
The deformed beams 12 of the arched beam 10 change the original arc-shaped extension direction of the arched beam 10, and the deformed beams 12 extend toward the side roof 101 of the tunnel surrounding rock 100 until they come into contact with the side wing beams 20 vertically installed in a direction perpendicular to the tunnel horizontal plane. The curved section 122 of the deformed beam 12 is connected to the side wing beam 20, and the curved section 122 is partially in contact with the side roof 101 or side wall 102 of the tunnel enclosure 100. Moreover, the curvature of the outer side of the arcuate segment 122 is adapted to the curvature of the side wall 102 or the side roof 101, where the outer side of the arcuate segment 122 refers to the surface of the arcuate segment 122 that contacts the side wall 102 of the side roof 101. In the practical application process, according to engineering requirements, the connecting beam 50 needs to be disposed between the arc-shaped section 122 and the side roof 101 or the side wall 102 of the tunnel surrounding rock 100, and at this time, the arc-shaped section 122 of the deformation beam 12 may not contact with the side roof 101 or the side wall 102 of the tunnel surrounding rock 100.
Compared with the supporting device in the prior art, the projection length of the arched beam 10 in the direction parallel to the tunnel horizontal plane is increased, so that the tunnel space after the supporting device is supported by the supporting device in the embodiment of the application is obviously enlarged. Meanwhile, in the embodiment of the present application, both the arc-shaped section 122 of the deformed beam 12 and the arc-shaped section 122 of the arched beam 10 may function to support the side roof 101 or the side wall 102.
In this embodiment, the upper surface of the transition section 121 is parallel to the horizontal plane of the tunnel, and the lower surface has a certain radian, so as to ensure the natural transition between the arc beam 11 and the transition section 121 and the arc section 122.
In this embodiment, the outside of supporting equipment side spar 20 is laminated with the lateral wall 102 of tunnel for support lateral wall 102, through setting up the concrete form of deformation roof beam 12, utilize changeover portion 121 and arc section 122 for the lateral wing roof beam 20 of supporting equipment has enlarged the tunnel intermediate space after the support when supporting lateral wall 102, simultaneously, has ensured that the distance between two lateral wing roof beams 20 that supporting equipment and same arched roof beam 10 are connected keeps in suitable range, has ensured the width of the tunnel after the support. In the practical application process, according to the engineering requirement, a protection beam (not shown in the figure) needs to be arranged between the side wing beam 20 and the side wall 102 of the tunnel surrounding rock 100, and at this time, the outer side surface of the side wing beam 20 is not contacted with the side wall 102 of the tunnel surrounding rock 100.
In the embodiment of the present application, the arched beam 11 and the deformation beam 12 are integrally formed to form the arched beam 10. Here, for convenience in describing the arched beam 10 in detail, the arched beam 10 is split into an arc beam 11 and a deformation beam 12.
It should be noted that, in the embodiment of the present application, the form of the deformed beam 12 at two ends of the arc beam 11 of the same supporting device is not limited to any one of the cross beam, the transition section 121 and the arc section 122, and may also be a form of a combination of the cross beam and the deformed beam. For example, one end of the arc beam 11 is provided as a deformation beam 12 in the form of a cross beam, and the other end is provided with a deformation beam 12 including a transition section 121 and an arc section 122.
The deformed beam 12 is detachably connected with the flank beams 20 in a plugging manner. Specifically, the arc-shaped section 122 is provided with a socket matched with the end shape of the flank beam 20, and the flank beam 20 is inserted into the socket. The opening direction of the plug-in interface faces the horizontal plane of the tunnel, so that the vertical installation side spar 20 in the direction vertical to the horizontal plane of the tunnel can be plugged in the plug-in interface, and the detachable connection of the deformed beam 12 and the side wing beam 20 is realized.
In the field installation process, in order to further ensure the stability of the deformation beam 12 and the side wing beam 20 after installation, a plurality of penetrating pins 60 penetrating the arc-shaped section 122 and the side wing beam 20 may be provided, and the deformation beam 12 and the side wing beam 20 may be further locked by the penetrating pins 60. Of course, the insertion port may also penetrate through the arc-shaped section 122, so that the side wing beam 20 may penetrate through the arc-shaped section 122, and lock the arc-shaped section 122 and the side wing beam 20 through the penetrating pin 60, so as to achieve the purpose that the side wing beam 20 supports the side top 101 of the tunnel surrounding rock 100 or the top of the surrounding rock 100.
It should be noted that the socket may also be disposed on the side spar 20, and the arc-shaped section 122 of the deformation beam 12 is inserted into the socket. The position of the plug-in interface can be set according to actual requirements.
The deformed beam 12 and the flank beams 20 can also be detachably connected in a clamping manner. Specifically, the arcuate segment 122 is provided with a connector, and the side spar 20 is provided with a connector that mates with the connector. In this embodiment, the connector may be a clamping strap, and the clamping connector may be a clamping strap head matched with the clamping strap, and the deformed beam 12 and the side wing beam 20 are detachably connected by means of a clamping strap. Of course, the connection member is also a flange, and the clamping joint can be a bolt matched with the clamping belt, and the detachable connection of the deformed beam 12 and the side wing beam 20 is realized by a flange joint mode.
In order to further secure the stability of the installed arc segment 122 and the side wing beam 20, a plurality of penetrating pins 60 penetrating the arc segment 122 and the side wing beam 20 may be provided, and the arc segment 122 and the side wing beam 20 may be further locked by the penetrating pins 60.
It should be noted that, the side wing beam 20 may also be provided with a clamping groove, and the arc-shaped section 122 is provided with a clamping connector matched with the clamping groove. Constructors can set the positions of the clamping grooves and the clamping joints according to actual demands.
In the embodiment of the present application, the shape of the surrounding rock 100 shown in fig. 2 is not a shape to be defined in the present application, and the outline of the surrounding rock 100 is only for illustrating the positional relationship and the contact connection relationship between each component of the supporting device disposed in the tunnel of the surrounding rock 100 and the surrounding rock 100.
In one embodiment of the present application, as shown in fig. 1 and 2, the arc beam 11 includes a first arc beam 111 and a second arc beam 112, and the first arc beam 111 and the second arc beam 112 are hinged by a connection 113, so that the first arc beam 111 and the second arc beam 112 can be contracted inward or expanded outward by a certain angle under the action of external force. The first arc beam 111 and the second arc beam 112 are identical in structure.
It should be noted that, in the embodiment of the present application, the connecting piece 113 may be a spring, and two ends of the spring are respectively connected to the first arc beam 111 and the second arc beam 112; the connection member 113 may also be a hinge, and both ends of the hinge are connected to the first arc beam 111 and the second arc beam 112, respectively. The first arc beam 111 and the second arc beam 112 of the arc beam 11 can be rotated about the connection member 113 by providing the connection member 113 such that the arc beam 11 can be moved inward or outward by a certain angle.
In one embodiment of the present application, as shown in fig. 1, the support apparatus is further provided with a telescopic mechanism 30, one end of the telescopic mechanism 30 is connected to the deformation beam 12 provided at one end of the arc beam 11, and the other end of the telescopic mechanism 30 is connected to the deformation beam 12 provided at the other end of the arc beam 11. As shown in fig. 2, in order to avoid influencing the tunnel space after supporting due to the excessively low setting position of the telescopic mechanism 30, two ends of the telescopic mechanism 30 are directly connected with two ends of the arc-shaped beam 11; of course, the two ends of the telescopic mechanism 30 may also be directly connected to the two ends of the deformation beam 12.
The telescopic mechanism 30 comprises a mounting base arranged on the deformed beam 12 or the arc-shaped beam 11 and a hydraulic telescopic column connected with the mounting base, and the telescopic function of the telescopic mechanism 30 is realized through the hydraulic telescopic column and the supporting force for outward expansion of the arc-shaped beam 10 is given.
In this embodiment of the application, through setting up horizontal telescopic machanism 30, strengthened the supporting force of supporting equipment to tunnel country rock 100 side top 101, made supporting equipment have fine controllable holding power and stability.
In one embodiment of the present application, as shown in fig. 1 and 2, the support apparatus further includes a support column 40, the support column 40 being connected to the lower end of the side wing beam 20 for supporting the side wing beam 20. The support column 40 is detachably connected to the side wing beam 20. Typically, the support columns 40 are detachably connected with the side wing beams 20 through connectors, and the support columns 40 can also be inserted and installed in the side wing beams 20.
In the present embodiment, the support columns 40 specifically include hydraulic support columns and bases, through which the side spar 20 is supported, and thus the arched beam 10.
In one embodiment of the present application, as shown in FIG. 3, the detachably connected bracing apparatus includes at least one arched beam 10, each arched beam 10 being configured with at least two support columns 40; the arched beam 10 comprises an arc beam 11 and deformation beams 12 arranged at two ends of the arc beam 11; the deformed beam 12 is removably attached to the support post 40.
It should be noted that, in some cases, the supporting device may only need the supporting column 40 to meet the supporting working condition, in this case, the side spar 20 is not needed, and at this time, the supporting column 40 provided with the supporting device is detachably connected with the deformation beam 12. The deformed beam 12 is provided with a plug connector matched with the shape of the support column 40, and the support column 40 is plugged on the plug connector; alternatively, the support columns 40 are provided with connectors that match the shape of the deformed beam 12, and the deformed beam 12 is plugged into the connectors.
The arched beam 10 in the embodiments of the present application is identical in construction to the arched beam 10 in the various embodiments described above.
In one embodiment of the present application, as shown in fig. 1, 2 and 3, the upper surface of the arc beams is provided with a connection beam 50, the connection beam 50 being used for connecting a plurality of arc beams 10, the connection beam 50 extending in a direction parallel to the direction of extension of the tunnel. In the embodiment of the application, the stability of the support equipment is enhanced by arranging the connecting beams 50 to connect the plurality of arc beams 10.
By applying the embodiment of the application, at least the following beneficial effects can be realized:
1. in the supporting equipment that this application embodiment provided, because the deformation roof beam and the side spar of arched beam can be dismantled and be connected, made things convenient for the transportation and the installation of supporting equipment, moreover, to the tunnel that the arch size of tunnel is the same, the different tunnel of altitude mixture control, through change the flank roof beam can, need not change again and install arched beam, reduced the cost of tunnel support. Meanwhile, the arched beam comprises an arc-shaped beam and deformed beams arranged at two ends of the arc-shaped beam, and the horizontal length of the arched beam is prolonged by arranging the deformed beams, so that the space of the tunnel after supporting, particularly the effective space in the middle of the tunnel after supporting, is obviously enlarged.
2. Compared with arched beams in the prior art, the deformed beam 12 of the arched beam 10 in the supporting device of the embodiment of the application can directly support the side roof 101 of the tunnel, and the outline of the outer side surface of the deformed beam 12 is matched with the outline of the inner wall of the side roof 101, so that the contact area between the deformed beam 12 and the side roof 101 is ensured, the arched beam 10 in the supporting device of the embodiment of the application can play a role in supporting the side roof 101 of surrounding rock, and the stability of the supporting device and the surrounding rock is enhanced.
In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the device referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
In the description of the present specification, a particular feature, structure, material, or characteristic may be combined in any suitable manner in one or more embodiments or examples.
The foregoing is only a partial embodiment of the present application, and it should be noted that, for a person skilled in the art, several improvements and modifications can be made without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.
Claims (8)
1. A detachably connected supporting installation, characterized by comprising at least one arched beam (10), each of said arched beams (10) being provided with two flank beams (20);
the arched beam (10) comprises an arc-shaped beam (11) and deformation beams (12) arranged at two ends of the arc-shaped beam (11); the deformation beam (12) extends towards the side roof (101) or the side wall (102) of the surrounding rock (100) of the tunnel and is contacted with the side roof (101) or the side wall (102) at one end far away from the arc beam (11); the arc-shaped beam (11) and the deformation beam (12) are integrally formed;
one end of the deformation beam (12) far away from the arc beam (11) is detachably connected with the side wing beam (20);
the deformation beam (12) comprises a transition section (121) and an arc-shaped section (122), the transition section (121) is connected with the arc-shaped section (122), and the transition section (121) and the arc-shaped section (122) are integrally formed to form the deformation beam (12); one end of the transition section (121) far away from the arc-shaped section (122) is connected with the arc-shaped beam (11); one end of the arc-shaped section (122) far away from the transition section (121) is used for being attached to a side roof (101) or a side wall (102) of the tunnel; the radian of the outer side surface of the arc-shaped section (122) is used for being matched with the radian of the side roof (101) or the side wall (102);
the supporting equipment is also provided with a telescopic mechanism (30), and the telescopic mechanism (30) is transversely arranged; one end of the telescopic mechanism (30) is connected with a deformation beam (12) arranged at one end of the arc-shaped beam (11), and the other end of the telescopic mechanism (30) is connected with the deformation beam (12) arranged at the other end of the arc-shaped beam (11); or the two ends of the telescopic mechanism (30) are directly connected with the two ends of the arc-shaped beam (11).
2. The detachably connected support device of claim 1, wherein,
the deformation beam (12) is provided with a plug-in port matched with the end shape of the side wing beam (20), and the side wing beam (20) is plugged in the plug-in port.
3. The detachably connected support device according to claim 1, characterized in that the deformation beams (12) are provided with connectors and the flank beams (20) are provided with connectors matching the connectors.
4. The detachably connected support device according to claim 1, characterized in that the arc-shaped section (122) is provided with a socket matching the shape of the end of the side spar (20), the side spar (20) being plugged into the socket.
5. The detachably connected support device according to claim 1, characterized in that the arc-shaped section (122) is provided with a connecting piece, and the flank beam (20) is provided with a connector matching the connecting piece.
6. A detachably connected support device according to any one of claims 1-5, characterized in that the arched beams (11) comprise a first arched beam (111) and a second arched beam (112), the first arched beam (111) and the second arched beam (112) being hinged by means of a connection (113).
7. The detachably connected support device according to claim 6, further comprising a support column (40), said support column (40) being adapted to support said side wing beam (20), said support column (40) being detachably connected to said side wing beam (20).
8. A support apparatus for detachable connection, comprising at least one arched beam (10), each arched beam (10) being provided with at least two support columns (40);
the arched beam (10) comprises an arc-shaped beam (11) and deformation beams (12) arranged at two ends of the arc-shaped beam (11); the deformation beam (12) extends towards the side roof (101) or the side wall (102) of the surrounding rock (100) of the tunnel and is contacted with the side roof (101) or the side wall (102) at one end far away from the arc beam (11); the arc-shaped beam (11) and the deformation beam (12) are integrally formed;
one end of the deformation beam (12) far away from the arc beam (11) is detachably connected with the support column (40);
the deformation beam (12) comprises a transition section (121) and an arc-shaped section (122), the transition section (121) is connected with the arc-shaped section (122), and the transition section (121) and the arc-shaped section (122) are integrally formed to form the deformation beam (12); one end of the transition section (121) far away from the arc-shaped section (122) is connected with the arc-shaped beam (11); one end of the arc-shaped section (122) far away from the transition section (121) is used for being attached to a side roof (101) or a side wall (102) of the tunnel; the radian of the outer side surface of the arc-shaped section (122) is used for being matched with the radian of the side roof (101) or the side wall (102);
the support equipment is also provided with a telescopic mechanism (30), one end of the telescopic mechanism (30) is connected with a deformation beam (12) arranged at one end of the arc-shaped beam (11), and the other end of the telescopic mechanism (30) is connected with the deformation beam (12) arranged at the other end of the arc-shaped beam (11); or the two ends of the telescopic mechanism (30) are directly connected with the two ends of the arc-shaped beam (11).
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| CN202010367018.0A CN113586098B (en) | 2020-04-30 | 2020-04-30 | Detachable connection support equipment |
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| CN202010367018.0A CN113586098B (en) | 2020-04-30 | 2020-04-30 | Detachable connection support equipment |
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| CN113586098B true CN113586098B (en) | 2024-03-29 |
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| CN115387379B (en) * | 2022-07-28 | 2023-07-04 | 中铁隧道局集团有限公司 | Support structure for prefabricated arc-shaped component and application thereof |
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| CN201747387U (en) * | 2010-04-16 | 2011-02-16 | 辽宁天安矿山科技有限公司 | Roadway supporting bracket |
| CN104141504A (en) * | 2014-07-14 | 2014-11-12 | 霍忠明 | Arch-cross-section roadway tunneling support device |
| CN105569701A (en) * | 2016-03-03 | 2016-05-11 | 辽宁工程技术大学 | Stepping-type tunneling and timbering device suitable for hard rock roadway tunneling |
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