CN219711549U - Temporary arch protection supporting structure for tunnel construction - Google Patents
Temporary arch protection supporting structure for tunnel construction Download PDFInfo
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- CN219711549U CN219711549U CN202320874188.7U CN202320874188U CN219711549U CN 219711549 U CN219711549 U CN 219711549U CN 202320874188 U CN202320874188 U CN 202320874188U CN 219711549 U CN219711549 U CN 219711549U
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- arch protection
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- tunnel construction
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- 238000010276 construction Methods 0.000 title claims abstract description 28
- 238000009434 installation Methods 0.000 claims abstract description 19
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000011435 rock Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model relates to the technical field of tunnel construction and discloses a temporary arch protection supporting structure for tunnel construction, which comprises an arch protection supporting body, wherein a supporting component is arranged in the arch protection supporting body, a mounting component is arranged below the arch protection supporting body, the supporting component comprises two vertical plates arranged in the arch protection supporting body, and top plates are fixedly arranged at the tops of the two vertical plates. This temporary arch protection supporting construction of tunnel construction can be to the support that the support body was stabilized to the arch protection through setting up supporting component for the support of arch protection supporting body to the tunnel is more stable, simultaneously, can carry out certain buffering to the rigid supporting force of arch protection supporting body through supporting component, reduces the extrusion force that the arch protection supporting body received, avoids the damage of arch protection supporting body, has improved the life of arch protection supporting body by a wide margin, can make the arch protection supporting body install more stably through setting up the installation component.
Description
Technical Field
The utility model relates to the technical field of tunnel construction, in particular to a temporary arch protection supporting structure for tunnel construction.
Background
The tunnel is an engineering building embedded in the ground, is a form of utilizing underground space by human beings, the structure of the tunnel comprises a main building and auxiliary equipment, the main building consists of a tunnel body and a tunnel door, the auxiliary equipment comprises a car shelter, a fire protection facility, emergency communication and water-proof and drainage facilities, the long tunnel is also provided with special ventilation and illumination equipment, and in the process of constructing and excavating the tunnel, the tunnel needs to be supported by using a temporary arch protection supporting structure in order to avoid collapse of the tunnel, so that collapse of the tunnel is prevented.
According to the temporary arch-protecting supporting structure for soft surrounding rock tunnel construction, a temporary arch-protecting supporting structure for soft surrounding rock tunnel construction is provided according to the Chinese patent publication No. CN211900655U, the temporary arch-protecting supporting structure for soft surrounding rock tunnel construction is adopted, the primary support of the soft surrounding rock tunnel is reinforced, the primary supporting structure is prevented from generating larger displacement to cause limit invasion and cause tunnel reworking phenomenon, the arch-protecting supporting structure consisting of a steel arch frame, a connecting plate, a bolt nut, a wedge-shaped block and a supporting structure is installed stably and conveniently, the supporting structure at the bottom adopts two triangular wedge-shaped blocks to form a height-adjustable wedge-shaped block sliding body structure, a structure system capable of freely adjusting the height is formed, the installation and the detachment are relatively convenient, the steel arch frame has no waste phenomenon, the primary support of the soft surrounding rock tunnel can be recycled, the primary support of the soft surrounding rock tunnel is prevented from generating a large displacement, the tunnel structure is controlled to deform, the construction site is convenient to apply, the tunnel stratum is relatively strong in operability, the popularization and application value is high, the supporting structure in the application document is basically used for supporting the tunnel, and the whole supporting structure can be deformed under the condition of supporting structure under the pressure of the supporting structure, and the tunnel is deformed, so that the problem of the temporary arch-protecting structure can be deformed, and the problem of the tunnel is solved.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a temporary arch protection supporting structure for tunnel construction, which has the advantages of prolonging the service life of the supporting structure and the like, and solves the problem that the service life of the supporting structure can be influenced under the pressure of a road stratum by the conventional temporary arch protection supporting structure for tunnel construction.
(II) technical scheme
In order to achieve the purpose of prolonging the service life of the supporting structure, the utility model provides the following technical scheme: the temporary arch protection supporting structure for tunnel construction comprises an arch protection supporting body, wherein a supporting component is arranged in the arch protection supporting body, and a mounting component is arranged below the arch protection supporting body.
The support assembly comprises two vertical plates arranged inside the arch protection support body, a top plate is fixedly arranged at the top of the vertical plates, a fixed box is fixedly arranged at the top of the top plate, a sliding rod is fixedly arranged between the left side wall and the right side wall of the inner cavity of the fixed box, two sliding blocks are connected to the outer side of the sliding rod in a sliding mode, a limiting assembly is arranged at the bottom of each sliding block, buffer springs positioned on the outer side of the sliding rod are fixedly arranged on the left side wall and the right side wall of the inner cavity of the fixed box respectively, connecting rods are hinged to the tops of the sliding blocks through pin shafts, two ends of the top of the fixed box penetrate through supporting rods extending to the inner side of the supporting rods, and supporting plates are fixedly arranged at the tops of the supporting rods.
Further, the installation component includes fixed mounting in the left installation piece of arch protection body bottom, the bottom of installation piece is provided with the carrier block, a plurality of screw holes that run through to its bottom are seted up at the top of installation piece, and a plurality of equal threaded connection in inside of screw hole has fixing bolt, the bottom fixed mounting of carrier block has a plurality of evenly distributed's fixed column.
Further, the limiting assembly comprises limiting blocks fixedly mounted at the bottoms of the two sliding blocks, and limiting grooves which are slidably connected with the limiting blocks are formed in the top of the top plate.
Further, opposite sides of the two buffer springs are fixedly connected with opposite sides of the two sliding blocks respectively.
Further, one ends of the two connecting rods, which are far away from the sliding blocks, are hinged to the bottoms of the two supporting rods through pin shafts respectively.
Further, the top of the supporting plate is attached to the inner side of the arch protection supporting body.
Further, a plurality of thread grooves are formed in the top of the bearing block, and a plurality of fixing bolts are in threaded connection with the inside of the thread grooves.
Further, bottoms of the fixing columns are conical.
(III) beneficial effects
Compared with the prior art, the utility model provides a temporary arch protection supporting structure for tunnel construction, which has the following beneficial effects:
this temporary arch protection supporting construction of tunnel construction can be to the support that the support body was stabilized to the arch protection through setting up supporting component for the support of arch protection supporting body to the tunnel is more stable, simultaneously, can carry out certain buffering to the rigid supporting force of arch protection supporting body through supporting component, reduces the extrusion force that the arch protection supporting body received, avoids the damage of arch protection supporting body, has improved the life of arch protection supporting body by a wide margin, can make the arch protection supporting body install more stably through setting up the installation component.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged view of A in FIG. 1, which is a structural view of the present utility model;
fig. 3 is a schematic diagram showing the connection between the arch protection body and the mounting assembly in the structure of the present utility model.
In the figure: 1. the arch protection support body; 2. a support assembly; 201. a riser; 202. a top plate; 203. a fixed box; 204. a slide bar; 205. a sliding block; 206. a limit component; 207. a buffer spring; 208. a connecting rod; 209. a support rod; 210. a support plate; 3. a mounting assembly; 301. a mounting block; 302. a bearing block; 303. a threaded hole; 304. a fixing bolt; 305. and fixing the column.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one: referring to fig. 1-3, a temporary arch protection support structure for tunnel construction in this embodiment includes an arch protection support body 1, a support assembly 2 is disposed in the arch protection support body 1, and a mounting assembly 3 is disposed below the arch protection support body 1.
Specifically, the support assembly 2 can stably support the arch protection support body 1, the service life of the arch protection support body 1 is prolonged, and the arch protection support body 1 can be installed through the installation assembly 3, so that the arch protection support body 1 is installed more stably.
Embodiment two: referring to fig. 1-2, on the basis of the first embodiment, the supporting component 2 includes two risers 201 disposed inside the arch-protecting supporting body 1, top plates 202 are fixedly mounted at the tops of the two risers 201, a fixed box 203 is fixedly mounted at the top of the top plates 202, sliding rods 204 are fixedly mounted between left and right side walls of an inner cavity of the fixed box 203, two sliding blocks 205 are slidably connected at the outer sides of the sliding rods 204, limiting components 206 are disposed at the bottoms of the two sliding blocks 205, buffer springs 207 located at the outer sides of the sliding rods 204 are fixedly mounted at the left and right side walls of the inner cavity of the fixed box 203, connecting rods 208 are hinged at the tops of the two sliding blocks 205 through pins, two supporting rods 209 with one ends penetrating and extending to the inner sides of the two supporting rods 209 are slidably connected at the tops of the fixed box 203.
Wherein, the top of the supporting plate 210 is attached to the inner side of the arch protection supporting body 1, the arch protection supporting body 1 is supported by the supporting plate 210, and when the arch protection supporting body 1 is pressed by a tunnel rock layer or a soil layer, the arch protection supporting body 1 moves downwards, so that the arch protection supporting body 1 drives the supporting plate 210 to move downwards.
In addition, one ends of the two connecting rods 208, which are far away from the sliding blocks 205, are respectively hinged to the bottoms of the two supporting rods 209 through pin shafts, when the supporting plate 210 moves downwards, the supporting plate 210 drives the two supporting rods 209 to move downwards, the two supporting rods 209 respectively squeeze the two connecting rods 208, and under the action of the pin shafts, the two connecting rods 208 respectively drive the two sliding blocks 205 to move to the opposite sides.
It should be noted that, opposite sides of the two buffer springs 207 are fixedly connected with opposite sides of the two sliding blocks 205 respectively, when the two sliding blocks 205 move to opposite sides, the two sliding blocks 205 respectively squeeze the two buffer springs 207, and the movement amplitude of the two sliding blocks 205 is respectively reduced by the resilience force of the two buffer springs 207, so that the pressure applied to the arch protection support body 1 is reduced, the arch protection support body 1 is prevented from being damaged due to overlarge pressure, and the service life of the arch protection support body 1 is prolonged.
In addition, spacing subassembly 206 includes fixed mounting in the stopper of two sliding blocks 205 bottoms, and the spacing groove with stopper sliding connection is seted up at the top of roof 202, can guarantee the steady motion of sliding block 205 through stopper and spacing, avoids sliding block 205 to take place the upset, simultaneously, can carry out spacingly to sliding block 205 through stopper and spacing groove, avoids sliding block 205 motion range too big, causes the condition that backup pad 210 breaks away from with the arch protection body 1.
Specifically, the fixing box 203 and its internal components are all three groups, and are respectively located at the top of the top plate 202 and on opposite sides of the two risers 201, and all-around support is performed on the inner side of the arch protection support body 1 through the three support plates 210, so that the top and the left and right sides of the arch protection support body 1 are prevented from being damaged by pressure on the left and right sides.
Embodiment III: referring to fig. 1 and 3, on the basis of the first embodiment, the mounting assembly 3 includes a mounting block 301 fixedly mounted on the left side of the bottom of the arch protection body 1, a bearing block 302 is disposed at the bottom of the mounting block 301, a plurality of threaded holes 303 penetrating through the bottom of the mounting block 301 are formed at the top of the mounting block 301, fixing bolts 304 are connected to the inner portions of the plurality of threaded holes 303 in a threaded manner, and a plurality of uniformly distributed fixing columns 305 are fixedly mounted at the bottom of the bearing block 302.
Wherein, a plurality of thread grooves are offered at the top of carrier block 302, and a plurality of fixing bolt 304 threaded connection is in the thread groove inside, can be together fixed installation piece 301 and carrier block 302 steadily through screw hole 303, fixing bolt 304 and thread groove, supports installation piece 301 through carrier block 302.
In addition, the bottoms of the fixing columns 305 are conical, the fixing columns 305 can be inserted into the ground for fixing, the bearing blocks 302 are fixed through the fixing of the fixing columns 305, and the conical bottoms of the fixing columns 305 can enable the fixing columns 305 to be inserted into the ground more conveniently.
Specifically, the bearing block 302 can be fixed through the fixing column 305, the installation block 301 can be fixed through the bearing block 302, the arch protection support body 1 can be fixed through the installation block 301, the installation components 3 are in two groups and are respectively positioned on the left side and the right side of the bottom of the arch protection support body 1, and the arch protection support body 1 can be installed more stably through the two installation components 3.
The working principle of the embodiment is as follows:
this temporary arch protection supporting structure of tunnel construction, when arch protection supporting body 1 receives tunnel stratum or soil layer's pressure, arch protection supporting body 1 can the downward movement, thereby make arch protection supporting body 1 drive backup pad 210 downward movement, backup pad 210 can be to driving two bracing pieces 209 downward movement, two bracing pieces 209 can extrude two connecting rods 208 respectively, under the effect of round pin axle, two connecting rods 208 can drive two sliding blocks 205 to opposite side motion respectively, two sliding blocks 205 can extrude two buffer springs 207 respectively, and through the resilience force of two buffer springs 207, can reduce the pressure that arch protection supporting body 1 received, avoid arch protection supporting body 1 to receive the too big damage of pressure, arch protection supporting body 1's life has been prolonged.
The electrical components appearing herein are all electrically connected with the master controller and the power supply, the master controller can be a conventional known device for controlling a computer and the like, and the prior art of power connection is not described in detail herein.
It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a temporary arch protection supporting structure for tunnel construction, includes arch protection supporting body (1), its characterized in that: the support assembly (2) is arranged in the arch protection support body (1), and the installation assembly (3) is arranged below the arch protection support body (1);
the supporting component (2) comprises two vertical plates (201) arranged inside the arch protection supporting body (1), a top plate (202) is fixedly arranged at the top of the vertical plates (201), a fixed box (203) is fixedly arranged at the top of the top plate (202), a sliding rod (204) is fixedly arranged between the left side wall and the right side wall of the inner cavity of the fixed box (203), two sliding blocks (205) are slidably connected to the outer side of the sliding rod (204), limiting components (206) are arranged at the bottoms of the two sliding blocks (205), buffer springs (207) arranged at the outer sides of the sliding rod (204) are fixedly arranged on the left side wall and the right side wall of the inner cavity of the fixed box (203), connecting rods (208) are hinged to the tops of the two sliding blocks (205) through pin shafts, two supporting rods (209) are fixedly arranged at the tops of the fixed box (203), and two ends of the supporting rods extend to the supporting rods (209).
2. The temporary arch support structure for tunnel construction according to claim 1, wherein: the installation component (3) is including fixed mounting in the left installation piece (301) of arch protection body (1) bottom, the bottom of installation piece (301) is provided with carrier block (302), a plurality of screw holes (303) that run through to its bottom are seted up at the top of installation piece (301), a plurality of the inside equal threaded connection of screw hole (303) has fixing bolt (304), the bottom fixed mounting of carrier block (302) has a plurality of evenly distributed's fixed column (305).
3. The temporary arch support structure for tunnel construction according to claim 1, wherein: the limiting assembly (206) comprises limiting blocks fixedly mounted at the bottoms of the two sliding blocks (205), and a limiting groove which is in sliding connection with the limiting blocks is formed in the top of the top plate (202).
4. The temporary arch support structure for tunnel construction according to claim 1, wherein: the opposite sides of the two buffer springs (207) are fixedly connected with the opposite sides of the two sliding blocks (205) respectively.
5. The temporary arch support structure for tunnel construction according to claim 1, wherein: one ends of the two connecting rods (208) far away from the sliding blocks (205) are hinged to the bottoms of the two supporting rods (209) through pin shafts respectively.
6. The temporary arch support structure for tunnel construction according to claim 1, wherein: the top of the supporting plate (210) is attached to the inner side of the arch protection supporting body (1).
7. The temporary arch support structure for tunnel construction according to claim 2, wherein: a plurality of thread grooves are formed in the top of the bearing block (302), and a plurality of fixing bolts (304) are in threaded connection with the inside of the thread grooves.
8. The temporary arch support structure for tunnel construction according to claim 2, wherein: the bottoms of the fixing columns (305) are conical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320874188.7U CN219711549U (en) | 2023-04-18 | 2023-04-18 | Temporary arch protection supporting structure for tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320874188.7U CN219711549U (en) | 2023-04-18 | 2023-04-18 | Temporary arch protection supporting structure for tunnel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219711549U true CN219711549U (en) | 2023-09-19 |
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ID=87976626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320874188.7U Active CN219711549U (en) | 2023-04-18 | 2023-04-18 | Temporary arch protection supporting structure for tunnel construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219711549U (en) |
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2023
- 2023-04-18 CN CN202320874188.7U patent/CN219711549U/en active Active
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