CN214741394U - Tunnel excavation is with supporting reinforced structure - Google Patents
Tunnel excavation is with supporting reinforced structure Download PDFInfo
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- CN214741394U CN214741394U CN202120886231.2U CN202120886231U CN214741394U CN 214741394 U CN214741394 U CN 214741394U CN 202120886231 U CN202120886231 U CN 202120886231U CN 214741394 U CN214741394 U CN 214741394U
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Abstract
The utility model discloses a tunnel excavation is with supporting reinforced structure, including bow member, main tributary strut and supporting component, "U" type the bow member is fixed at main tributary strut top, just the bow member is located the tunnel inner wall, two the supporting component back of the body is installed in the main tributary strut, and the supporting component is detachable contact with bow member tip inner wall, the supporting component includes fixed plate, backup pad and working cylinder, the fixed plate is vertical to be fixed in the main tributary strut, the working cylinder is perpendicular and the embedding is installed in the fixed plate, the backup pad is vertical to be fixed at the piston rod tip in the working cylinder, the backup pad is with the extrusion contact of bow member inner wall; the utility model discloses a be provided with supporting component, neither influence arch frame and main tributary strut and consolidate the support of tunnel inner wall, can play the firm effect of support to the arch frame lower extreme again, reduce its probability that warp because pressure appears, indirectly reduce the factor that influences the arch frame and support the reinforcement effect.
Description
Technical Field
The utility model belongs to the technical field of tunnel bearing structure, concretely relates to tunnel excavation is with supporting reinforced structure is a steel bracing frame for tunnel excavation very much.
Background
The tunnel is an engineering building buried in the ground, and is a form of using underground space by human beings. The tunnel can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel, a mine tunnel, a military tunnel and the like. And the steel support frame is the bearing structure that tunnel construction excavation used, plays the firm effect of weighing apparatus to the tunnel inner wall.
When some existing steel support frames support and reinforce the inner wall of a tunnel, lateral deformation of the lower end of an arch frame possibly occurs due to pressure or the lower end of the arch frame tends to laterally deform, so that the supporting and reinforcing effect on the inner wall of the tunnel is affected, and therefore a supporting and reinforcing structure for tunnel excavation is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tunnel excavation is with supporting reinforced structure to when solving some steel support frame that propose among the above-mentioned background art and supporting the reinforcement to the tunnel inner wall, the lateral deformation probably appears because of pressure in the arch frame lower extreme, perhaps has the trend of lateral deformation, thereby the influence supports the problem of consolidating the effect to the tunnel inner wall.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tunnel excavation is with supporting reinforced structure, includes bow member, main tributary strut and supporting component, "U" type the bow member is fixed at main tributary strut top, just the bow member is located tunnel inner wall, two the supporting component is carried on the back mutually and is installed in the main tributary strut, just supporting component and the detachable contact of bow member tip inner wall, the supporting component includes fixed plate, backup pad and working cylinder, the fixed plate is vertical to be fixed in the main tributary strut, working cylinder is perpendicular and the embedding is installed in the fixed plate, backup pad vertical fixation is at the inside piston rod tip of working cylinder, backup pad and bow member inner wall extrusion contact.
Preferably, a reinforcing rib is embedded between the working cylinder and the fixing plate, and a reinforcing plate is arranged between the supporting plate and the piston rod.
Preferably, the main support frame is a rectangular three-dimensional framework, and an inclined support rod is arranged inside the main support frame.
Preferably, the arch-shaped frame comprises an outer frame, an inner rod and a bolt, the upper end of the inner rod is movably located in the outer frame, the lower end of the inner rod is in contact with the ground, and the bolt is arranged between the inner rod and the outer frame.
Preferably, the bottom of the main support frame is provided with a moving wheel through a sliding assembly, the sliding assembly comprises a sliding block and a sliding sleeve, the sliding block is fixed on the lower surface of the main support frame, and the sliding sleeve is in a U shape and is sleeved on the sliding block in a sliding manner.
Preferably, the moving wheel is fixed on the lower surface of the sliding sleeve, and two sides of the sliding sleeve are fixed on the surface of the main support frame through screws.
Preferably, an inclined rod is arranged between the upper end of the main support frame and the arch frame, and a support is arranged between the arch frame and the inner wall of the tunnel along the circumferential direction of the arch frame.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses a be provided with supporting component, neither influence arch frame and main tributary strut and consolidate the support of tunnel inner wall, can play the firm effect of support to the arch frame lower extreme again, reduce its probability that warp because pressure appears, indirectly reduce the factor that influences the arch frame and support the reinforcement effect.
(2) The utility model discloses utilize sliding assembly, do not influence during the mounting screw and remove the wheel and use, let whole steel bearing structure be in suitable support position, conveniently move the driving wheel and take off when the screw takes off simultaneously, whole steel bearing structure of being convenient for takes out in following the tunnel.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the support assembly of the present invention;
FIG. 3 is an enlarged view of area A of FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of area B of FIG. 2 according to the present invention;
in the figure: 1. an arch frame; 101. an outer frame; 102. an inner rod; 103. a bolt; 2. a main supporting frame; 3. a support assembly; 31. a fixing plate; 32. a support plate; 33. a working cylinder; 4. a support; 5. a slider; 6. a sliding sleeve; 7. the wheel is moved.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a supporting and reinforcing structure for tunnel excavation comprises an arch frame 1, a main support frame 2 and support assemblies 3, wherein the U-shaped arch frame 1 is fixed at the top of the main support frame 2, the arch frame 1 is positioned on the inner wall of a tunnel, the two support assemblies 3 are arranged in the main support frame 2 in a back-to-back manner, the support assemblies 3 are detachably contacted with the inner wall of the end part of the arch frame 1, each support assembly 3 comprises a fixing plate 31, a support plate 32 and a working cylinder 33, the fixing plate 31 is vertically fixed in the main support frame 2, the working cylinder 33 is vertically embedded in the fixing plate 31, the support plate 32 is vertically fixed at the end part of a piston rod in the working cylinder 33, the support plate 32 is in extrusion contact with the inner wall of the arch frame 1, through the arrangement of the support assemblies 3, the supporting and reinforcing of the inner wall of the tunnel by the arch frame 1 and the main support frame 2 are not influenced, the lower end of the arch frame 1 can be supported and stabilized, and the probability of deformation of the arch frame 1 caused by pressure is reduced, indirectly reduce the factors influencing the supporting and reinforcing functions of the arch frame 1.
In this embodiment, preferably, a reinforcing rib is embedded between the working cylinder 33 and the fixing plate 31 to increase the installation strength of the working cylinder 33, and a reinforcing plate is arranged between the supporting plate 32 and the piston rod to increase the connection strength of the two.
In this embodiment, preferably, the main support frame 2 is a rectangular three-dimensional framework, and the main support frame 2 is internally provided with diagonal braces, so as to increase the working strength of the main support frame 2.
In this embodiment, preferably, the arch frame 1 includes an outer frame 101, an inner rod 102 and a bolt 103, the upper end of the inner rod 102 is movably located in the outer frame 101, the lower end of the inner rod 102 is in contact with the ground, and the bolt 103 is arranged between the inner rod 102 and the outer frame 101, so that the subsequent height adjustment of the arch frame 1 is facilitated, and the taking-out of the arch frame 1 from the tunnel is facilitated.
In this embodiment, it is preferred, main support frame 2 bottom is installed through the sliding component who sets up and is removed wheel 7, sliding component includes slider 5 and sliding sleeve 6, slider 5 fixes at main support frame 2 lower surface, "the sliding sleeve 6 slip cover of U" type is established on slider 5, remove wheel 7 and fix at sliding sleeve 6 lower surface, fix with screw at main support frame 2 surface through the fix with screw in sliding sleeve 6 both sides, utilize sliding component, do not influence during the fix with screw and remove wheel 7 and use, let whole steel bearing structure be in suitable support position, conveniently remove wheel 7 and take off when the screw takes off simultaneously, be convenient for whole steel bearing structure takes out from the tunnel.
In this embodiment, preferably, an inclined rod is arranged between the upper end of the main support frame 2 and the arch frame 1 to increase the working strength of the arch frame 1, and a support 4 is arranged between the arch frame 1 and the inner wall of the tunnel along the circumferential direction.
The model of the middle working cylinder 33 of the utility model is SC50X 100-50-S-FA.
The utility model discloses a theory of operation and use flow: the utility model discloses when using, steel bearing structure utilizes and removes suitable position in wheel 7 removes to the tunnel, utilize bolt 103 to adjust interior pole 102 length simultaneously, it is fixed with ground to make interior pole 102 lower extreme, 4 tip of support and tunnel inner wall tightly contact simultaneously, the work of working cylinder 33 this moment, inside piston rod outwards removes, backup pad 32 removes thereupon, until backup pad 32 and 1 lower extreme inner wall of bow member tightly contact, the external force of applying makes the trend that bow member 1 lower extreme moved to the tunnel inner wall, through being provided with supporting component 3, neither influence bow member 1 and main tributary strut 2 and consolidate the support of tunnel inner wall, can play the firm effect of support to 1 lower extreme of bow member again, reduce its probability that appears warping because of pressure, indirect reduction influences bow member 1 and supports the factor of consolidating the effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a tunnel excavation is with supporting reinforced structure, includes bow member (1), main tributary strut (2) and supporting component (3), "U" type bow member (1) are fixed at main tributary strut (2) top, just bow member (1) is located tunnel inner wall, its characterized in that: two supporting component (3) are installed in main tributary strut (2) mutually on the back, just supporting component (3) and the detachable contact of arch frame (1) tip inner wall, supporting component (3) are including fixed plate (31), backup pad (32) and working cylinder (33), fixed plate (31) are vertical to be fixed in main tributary strut (2), working cylinder (33) are perpendicular and the embedding is installed in fixed plate (31), backup pad (32) vertical fixation is at the inside piston rod tip of working cylinder (33), backup pad (32) and arch frame (1) inner wall extrusion contact.
2. The supporting and reinforcing structure for tunnel excavation according to claim 1, wherein: reinforcing ribs are embedded between the working cylinder (33) and the fixing plate (31), and reinforcing plates are arranged between the supporting plate (32) and the piston rod.
3. The supporting and reinforcing structure for tunnel excavation according to claim 1, wherein: the main support frame (2) is a rectangular three-dimensional framework, and inclined support rods are arranged inside the main support frame (2).
4. The supporting and reinforcing structure for tunnel excavation according to claim 1, wherein: the arch-shaped frame (1) comprises an outer frame (101), an inner rod (102) and a bolt (103), wherein the upper end of the inner rod (102) is movably located in the outer frame (101), the lower end of the inner rod (102) is in contact with the ground, and the bolt (103) is arranged between the inner rod (102) and the outer frame (101).
5. The supporting and reinforcing structure for tunnel excavation according to claim 1, wherein: main tributary strut (2) bottom is installed through the sliding assembly who sets up and is removed wheel (7), sliding assembly includes slider (5) and sliding sleeve (6), slider (5) are fixed on main tributary strut (2) lower surface, "U" type sliding sleeve (6) slip the cover and establish on slider (5).
6. The supporting and reinforcing structure for tunnel excavation according to claim 5, wherein: the movable wheel (7) is fixed on the lower surface of the sliding sleeve (6), and the two sides of the sliding sleeve (6) are fixed on the surface of the main support frame (2) through screws.
7. The supporting and reinforcing structure for tunnel excavation according to claim 1, wherein: an inclined rod is arranged between the upper end of the main support frame (2) and the arch-shaped frame (1), and a support (4) is arranged between the arch-shaped frame (1) and the inner wall of the tunnel along the circumferential direction of the arch-shaped frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120886231.2U CN214741394U (en) | 2021-04-27 | 2021-04-27 | Tunnel excavation is with supporting reinforced structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120886231.2U CN214741394U (en) | 2021-04-27 | 2021-04-27 | Tunnel excavation is with supporting reinforced structure |
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| Publication Number | Publication Date |
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| CN214741394U true CN214741394U (en) | 2021-11-16 |
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| CN202120886231.2U Active CN214741394U (en) | 2021-04-27 | 2021-04-27 | Tunnel excavation is with supporting reinforced structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115263352A (en) * | 2022-08-10 | 2022-11-01 | 大连理工大学 | Emergent processing equipment of soft rock tunnel large deformation |
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2021
- 2021-04-27 CN CN202120886231.2U patent/CN214741394U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115263352A (en) * | 2022-08-10 | 2022-11-01 | 大连理工大学 | Emergent processing equipment of soft rock tunnel large deformation |
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