CN114856657A - Collapse-preventing supporting device for bridge and tunnel construction - Google Patents
Collapse-preventing supporting device for bridge and tunnel construction Download PDFInfo
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- CN114856657A CN114856657A CN202210453383.2A CN202210453383A CN114856657A CN 114856657 A CN114856657 A CN 114856657A CN 202210453383 A CN202210453383 A CN 202210453383A CN 114856657 A CN114856657 A CN 114856657A
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- tunnel
- tunnel construction
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 211
- 238000010276 construction Methods 0.000 title claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 230000000149 penetrating effect Effects 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims description 13
- 238000001764 infiltration Methods 0.000 claims description 9
- 230000008595 infiltration Effects 0.000 claims description 9
- 230000002265 prevention Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000004575 stone Substances 0.000 abstract description 6
- 230000035515 penetration Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000012216 screening Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000012466 permeate Substances 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
- E21D15/24—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with axial screw-and-nut, rack-and-worm, or like mechanism
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/54—Details of the ends of props
- E21D15/55—Details of the ends of props of prop heads or feet
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D19/00—Provisional protective covers for working space
- E21D19/04—Provisional protective covers for working space for use in drifting galleries
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
- E21F16/02—Drainage of tunnels
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses an anti-collapse supporting device for bridge and tunnel construction, and relates to the technical field of bridge and tunnel construction; the supporting seat that erects is specifically including depending on the tunnel inner wall, the top of supporting seat is provided with supports the curb plate, and the supporting seat with strut and peg graft between the curb plate and have the gim peg, the medial surface of strutting the curb plate is provided with last spacing groove, the top of supporting seat is provided with down spacing groove, it has the jacking subassembly to go up to peg graft between spacing groove and the lower spacing groove. The supporting device comprises a supporting seat, supporting side plates, a supporting top plate and a supporting mechanism, wherein the supporting seat, the supporting side plates, the supporting top plate and the supporting mechanism are connected with one another in a plug-in mounting mode, the splicing mounting mode is simple in operation, the supporting device can be disassembled and assembled quickly, meanwhile, the penetrating water guide assembly is arranged to guide bottom water penetrating through the surface of the tunnel to the interior of the storage tank, the bottom water is discharged through the water discharge pipe, the dryness of the interior of the tunnel is kept, broken stones and the like are prevented from falling off along with water penetration, and the safety of tunnel construction is improved.
Description
Technical Field
The invention relates to the technical field of bridge and tunnel construction, in particular to an anti-collapse supporting device for bridge and tunnel construction.
Background
The bridge tunnel is the important component part of railway or highway circuit, the main benefit can shorten the traffic distance, high efficiency, take up an area of fewly, generally at the in-process of road bridge construction, can be frequent relate to tunnel construction work, tunnel construction's appearance has played great effect to traffic engineering's development, the mountain that can't reach can carry out faster more convenient road construction work through opening up the tunnel, the rivers and seas that can't pass through also can carry out direct current work through the installation tunnel, the structure in tunnel includes main body building and auxiliary assembly two parts. The main building consists of a tunnel body and a tunnel door, the auxiliary equipment comprises a vehicle avoiding tunnel, fire-fighting equipment, emergency communication and water-proof and drainage equipment, and the long tunnel is also provided with special ventilation and lighting equipment;
in the in-process at tunnel construction, in order to prevent that the tunnel structure insecure phenomenon of leading to collapsing, just need use strutting arrangement to support the worker at the in-process of construction, current tunnel prevents that the strutting arrangement that collapses is mainly simple bearing structure, mainly build by reinforcing bar or timber and form, the structure is simpler also comparatively cheap with costs, but at the in-process of in-service use, the reinforcing bar or timber build the strutting arrangement connected node who forms many, it is loaded down with trivial details to cause the process of strutting arrangement dismouting, and poor stability, influence the efficiency of tunnel construction.
In view of the above, the present invention provides a collapse prevention supporting device for bridge and tunnel construction, so as to solve the technical problems in the prior art.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides an anti-collapse supporting device for bridge and tunnel construction.
The invention provides a collapse-preventing supporting device for bridge and tunnel construction, which comprises a supporting seat erected along the inner wall of a tunnel, wherein a supporting side plate is arranged at the top of the supporting seat, a fixing bolt is inserted between the supporting seat and the supporting side plate, an upper limiting groove is arranged on the inner side surface of the supporting side plate, a lower limiting groove is arranged at the top of the supporting seat, a jacking assembly is inserted between the upper limiting groove and the lower limiting groove, an inserting groove is arranged at the third corner of the supporting side plate, extension supports are arranged in the two inserting grooves, and a supporting top plate is arranged between the two extension supports;
the top of the inner side surface of each supporting side plate is provided with a mounting groove, the mounting grooves are communicated with the insertion grooves, two telescopic assemblies are mounted inside each mounting groove, the tops of the telescopic assemblies are connected with the bottom of the extension support, a plurality of brackets are mounted at the top of the inner side of each supporting side plate, and a supporting mechanism is arranged between the two brackets on the same plane;
the support mechanism comprises two inclined support frames and a support frame, a movable pin is arranged between two ends of the support frame and the inclined support frames, wedge blocks matched with the bracket are arranged at the bottom ends of the two inclined support frames, a plurality of nuts are arranged on the surfaces of the inclined support frames and the support frame, fixed anchor rods are screwed in the nuts, and a plurality of concave rings matched with the fixed anchor rods are arranged at the bottom of the support top plate;
the lateral surface of strutting the curb plate is provided with infiltration water guide assembly, and the lateral surface of supporting seat is provided with infiltration water guide assembly, the inside of supporting seat is provided with the savings groove that runs through infiltration water guide assembly, and the top of supporting seat is provided with the drain pipe that communicates with the savings groove mutually.
Preferably, the support seat comprises a seat body with an L-shaped structure, the storage grooves are distributed at the bottom of the seat body, the top of the seat body is provided with an extension plate, and mutually meshed penetrating protrusions are arranged between the top of the extension plate and the bottom of the support side plate.
In the invention, preferably, the upper permeated water guiding assembly comprises a plurality of conical grooves distributed on the outer side surface of the supporting side plate, and the bottom of each conical groove is provided with an upper drainage hole penetrating through the bottom end of the supporting side plate.
Preferably, the lower seepage water guide assembly comprises a collecting tank arranged on the outer side surface of the supporting seat, the top of the collecting tank is connected with the upper drainage hole, and a lower drainage hole is arranged between the bottom of the collecting tank and the storage tank.
In the invention, preferably, the jacking assembly comprises an upper jacking block of an L-shaped structure and a lower fixing block of an inverted T-shaped structure, and a plurality of hydraulic cylinders are hinged between the lower fixing block and the upper jacking block.
Preferably, the supporting seat and the supporting side plate are provided with a protective screening mechanism on the outer side, the protective screening mechanism comprises two elastic plates with arc structures, four magnetic guide sliding blocks are arranged at four corners of the side surface of each elastic plate, the protective screening mechanism further comprises strip-shaped grooves arranged at four corners of the outer side of the supporting seat and the supporting side plate, the magnetic guide sliding blocks are embedded in the strip-shaped grooves, and a plurality of grid holes are formed in the surface of each elastic plate.
In the present invention, preferably, the outer surface of the elastic plate is provided with a plurality of wedge-shaped protrusions having a triangular structure, and the inner surface of the elastic plate is provided with a plurality of elastic columns distributed in a downward inclination manner.
In the invention, preferably, the telescopic assembly comprises an internal thread sleeve and an external thread rod which are in threaded connection with each other, the top of the external thread rod is fixedly provided with a top rod, and the outer side of the top rod is fixedly provided with a push spring.
Preferably, the supporting top plate is formed by assembling a plurality of sections of arc-shaped plate bodies, the top of each arc-shaped plate body is provided with a slow release groove, elastic pieces which are symmetrically distributed are arranged inside each slow release groove, and the elastic pieces are obliquely distributed in a rod shape.
Preferably, the supporting top plate is formed by assembling a plurality of arc-shaped plate bodies, the top of each arc-shaped plate body is provided with a slow release groove, the surface of each slow release groove is provided with a plurality of independent elastic pieces, the top of each elastic piece is wavy, two ends of each wavy shape are provided with tooth-shaped structures, and the bottom of each elastic piece is of an inverted V-shaped structure.
Compared with the prior art, the invention provides an anti-collapse supporting device for bridge and tunnel construction, which has the following beneficial effects:
in the invention, the supporting device main body is composed of a supporting seat, supporting side plates, a supporting top plate and a supporting mechanism, the main body structures are connected in a plug-in mounting mode, the supporting seat and the supporting side plates are firstly fixed on the side surface of a tunnel during mounting, the supporting top plate is fixed on the supporting side plates on the two sides, the supporting top plate is firmly propped against the top of the tunnel by virtue of a telescopic assembly, the supporting mechanism is mounted, a fixing anchor rod is sequentially rotated to fix the supporting top plate, the supporting side plates on the two sides are outwards expanded when the supporting mechanism is stressed to be attached to the surface of the tunnel, and finally a jacking assembly is embedded between an upper limiting groove and a lower limiting groove to complete the mounting of the supporting device, the supporting structure is stable and firm, the crushed stones on the surface of the tunnel are effectively prevented from falling off, the mounting mode of splicing is simple in operation, the quick-dismantling of the supporting device is realized, and meanwhile, the setting of a seepage guide assembly is realized, the bottom water that permeates the tunnel surface is guided to the inside of saving tank, discharges through the drain pipe, keeps the inside dry and comfortable of tunnel, and avoids rubble etc. to drop along with water infiltration, improves tunnel construction's security.
Drawings
Fig. 1 is a schematic structural view of an anti-collapse supporting device for bridge and tunnel construction according to the present invention;
fig. 2 is a schematic partial side view of the collapse preventing support device for bridge and tunnel construction according to the present invention;
fig. 3 is a schematic structural view of a telescopic assembly of the collapse prevention supporting device for bridge and tunnel construction according to the present invention;
fig. 4 is a schematic structural view of a jacking assembly of the collapse preventing support device for bridge and tunnel construction according to the present invention;
fig. 5 is a schematic view of a supporting seat structure of the collapse prevention supporting device for bridge and tunnel construction according to the present invention;
fig. 6 is a schematic view of a collecting tank structure of the collapse prevention supporting device for bridge and tunnel construction according to the present invention;
fig. 7 is a schematic structural view of a protective screening mechanism of the collapse prevention supporting device for bridge and tunnel construction according to the present invention;
fig. 8 is a schematic structural view of a supporting top plate of the collapse preventing supporting device for bridge and tunnel construction according to embodiment 2 of the present invention;
fig. 9 is a schematic structural view of a supporting top plate of the collapse preventing supporting device for bridge and tunnel construction according to embodiment 3 of the present invention.
In the figure: 1 supporting seat, 101 base body, 102 extending plate, 103 inserting protrusion, 2 lower limiting groove, 3 jacking assembly, 301 lower fixing block, 302 hydraulic cylinder, 303 upper jacking block, 4 upper limiting groove, 5 mounting groove, 6 telescopic assembly, 601 internal thread sleeve, 602 external thread rod, 603 ejector rod, 604 push spring, 7 extending support, 8 supporting top plate, 801 arc plate body, 802 slow-release groove, 803 elastic piece, 9 movable pin, 10 supporting frame, 11 fixing anchor rod, 12 nut, 13 inclined frame, 14 wedge block, 15 bracket, 16 supporting side plate, 17 fixing bolt, 18 conical groove, 19 upper water discharge hole, 20, 21 lower water discharge hole, 22 storage groove, 23 protective net mechanism, 2301 elastic plate 2302 grid hole, 2303 strip groove, 2304 magnetic guiding slide block, 2305 wedge protrusion and 24 water discharge pipe.
Detailed Description
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Example 1:
referring to fig. 1-7, an anti-collapse supporting device for bridge and tunnel construction comprises a supporting seat 1 erected depending on the inner wall of a tunnel, a supporting side plate 16 is arranged at the top of the supporting seat 1, a fixing bolt 17 is inserted between the supporting seat 1 and the supporting side plate 16, an upper limiting groove 4 is arranged on the inner side surface of the supporting side plate 16, a lower limiting groove 2 is arranged at the top of the supporting seat 1, a jacking assembly 3 is inserted between the upper limiting groove 4 and the lower limiting groove 2, an inserting groove is arranged at the ragged part of the supporting side plate 16, extension supports 7 are arranged in the two inserting grooves, and a supporting top plate 8 is arranged between the two extension supports 7;
the top of the inner side surface of the supporting side plate 16 is provided with a mounting groove 5, the mounting groove 5 is communicated with the insertion groove, two telescopic assemblies 6 are mounted inside each mounting groove 5, the top of each telescopic assembly 6 is connected with the bottom of the extension bracket 7, the top of the inner side of the supporting side plate 16 is provided with a plurality of brackets 15, and a support mechanism is arranged between the two brackets 15 on the same plane;
the support mechanism comprises two inclined brackets 13 and a support bracket 10, a movable pin 9 is arranged between two ends of the support bracket 10 and the inclined brackets 13, wedge blocks 14 matched with a bracket 15 are arranged at the bottom ends of the two inclined brackets 13, a plurality of nuts 12 are arranged on the surfaces of the inclined brackets 13 and the support bracket 10, fixed anchor rods 11 are screwed in the nuts 12, and a plurality of concave rings matched with the fixed anchor rods 11 are arranged at the bottom of the support top plate 8;
the lateral surface of the supporting side plate 16 is provided with an upper seepage water guide assembly, the lateral surface of the supporting seat 1 is provided with a lower seepage water guide assembly, the inside of the supporting seat 1 is provided with a storage groove 22 penetrating through the lower seepage water guide assembly, and the top of the supporting seat 1 is provided with a drain pipe 24 communicated with the storage groove 22.
In the invention, the supporting device main body is composed of a supporting seat 1, supporting side plates 16, a supporting top plate 8 and a supporting mechanism, the main body structures are connected in a plug-in mounting mode, the supporting seat 1 and the supporting side plates 16 are fixed on the side surface of a tunnel during mounting, the supporting top plate 8 is fixed on the supporting side plates 16 on two sides, the supporting top plate 8 is firmly propped against the top of the tunnel by virtue of a telescopic component 6, then the supporting mechanism is mounted, a fixing anchor rod 11 is sequentially rotated to fix the supporting top plate 8, the supporting side plates 16 on two sides are outwards expanded when the supporting mechanism is stressed to be attached to the surface of the tunnel, finally a jacking component 3 is embedded between an upper limiting groove 4 and a lower limiting groove 2 to complete the mounting of the supporting device, the supporting structure is stable and firm, the broken stones on the surface of the tunnel are effectively prevented from falling off, the splicing mounting mode is simple in operation, and the quick dismounting of the supporting device is realized, meanwhile, the arrangement of the seepage water guide assembly guides the bottom water permeating on the surface of the tunnel to the inside of the storage tank 22, the bottom water is discharged through the drain pipe 24, the dryness inside the tunnel is kept, broken stones and the like are prevented from falling off along with the water permeation, and the safety of tunnel construction is improved.
In the invention, the supporting seat 1 comprises a seat body 101 with an L-shaped structure, the storage grooves 22 are distributed at the bottom of the seat body 101, the top of the seat body 101 is provided with an extension plate 102, the top of the extension plate 102 and the bottom of the supporting side plate 16 are provided with mutually meshed penetrating protrusions 103, the bottom of the supporting seat 1 is embedded into drainage ditches at two sides of a tunnel, and when the upper end of the supporting seat is extruded, the supporting at the bottom can be effectively utilized, the stability of the bottom structure of the supporting device is enhanced, the floor area of the bottom of the supporting device is reduced, and construction equipment can conveniently enter the supporting seat.
In the invention, the upper seepage water guide component comprises a plurality of conical grooves 18 distributed on the outer side surface of the supporting side plate 16, the bottom of each conical groove 18 is provided with an upper drainage hole 19 penetrating through the bottom end of the supporting side plate 16, the outer side surface of the supporting side plate 16 is attached to the wall of a tunnel when erected, the conical grooves 18 are embedded into the wall of the tunnel when the inner side is stressed, the wall slowly permeates and falls down when water stains appear on the wall, enters the lower seepage water guide component through the upper drainage holes 19, collects water drops, avoids the water drops from falling into the ground to cause the humidity of the construction environment, and avoids the falling of the wall surface of the tunnel.
According to the invention, the downward infiltration guiding component comprises a collecting tank 20 arranged on the outer side surface of the supporting seat 1, the top of the collecting tank 20 is connected with an upper drainage hole 19, a lower drainage hole 21 is arranged between the bottom of the collecting tank 20 and the storage tank 22, and water infiltrated into the wall surface of the tunnel is guided into the storage tank 22 through the collecting tank 20 and the lower drainage hole 21, so that the phenomenon that the interior of the tunnel is wet due to infiltration water is effectively avoided.
According to the invention, the jacking assembly 3 comprises an upper jacking block 303 of an L-shaped structure and a lower fixing block 301 of an inverted T-shaped structure, a plurality of hydraulic cylinders 302 are hinged between the lower fixing block 301 and the upper jacking block 303, the jacking assembly 3 is a modular supporting assembly consisting of the hydraulic cylinders 302, the lower fixing block 301 and the upper jacking block 303, after the main body structure of the supporting device is fixed, the lower fixing block 301 and the upper jacking block 303 are respectively embedded into the surfaces of the supporting seat 1 and the supporting side plate 16, and the supporting seat 1 and the supporting side plate 16 are slowly supported and reinforced under the pushing of the hydraulic cylinders 302, so that the supporting strength and the supporting stability of the supporting device are effectively improved, meanwhile, the modular structure is simple and convenient to disassemble, and the construction efficiency is improved.
According to the invention, the outer side surfaces of the supporting seat 1 and the supporting side plate 16 are respectively provided with the protective net mechanism 23, the protective net mechanism 23 comprises two elastic plates 2301 with arc structures, four magnetic guide sliding blocks 2304 are arranged at four corners of the side surface of the elastic plate 2301, the protective net mechanism 23 further comprises strip-shaped grooves 2303 arranged at four corners of the outer side surfaces of the supporting seat 1 and the supporting side plate 16, the magnetic guide sliding blocks 2304 are embedded in the strip-shaped grooves 2303, the surface of the elastic plate 2301 is provided with a plurality of grid holes 2302, the protective net mechanism 23 is hung on the outer side when the supporting seat 1 and the supporting side plate 16 are installed, and when the supporting seat 1 and the supporting side plate 16 are in contact with the wall surface of the tunnel, the protective net mechanism 23 is integrally embedded into the wall surface of the tunnel wall, so that the soil reinforcing effect on the surface of the tunnel wall is effectively improved.
According to the invention, the outer surface of the elastic plate 2301 is provided with a plurality of wedge-shaped protrusions 2305 with triangular structures, the inner surface of the elastic plate 2301 is provided with a plurality of elastic columns distributed in a downward inclined manner, when the elastic plate 2301 is attached to the wall surface of a tunnel, the wedge-shaped protrusions 2305 with triangular structures are embedded into the wall, like anchor blocks are embedded into soil, the wall is divided into a plurality of independent areas, water permeates along the surfaces of the wedge-shaped protrusions 2305 during permeation and is guided to flow by the elastic columns, when local collapse occurs, the collapse areas are separated by the wedge-shaped protrusions 2305, the elastic columns rebound, the collapsed soft areas are filled, and the protection effect of the support device is further improved.
According to the invention, the telescopic component 6 comprises an internal thread sleeve 601 and an external thread rod 602 which are in threaded connection with each other, the top of the external thread rod 602 is fixedly provided with a top rod 603, the outer side of the top rod 603 is fixedly provided with a push spring 604, after the supporting top plate 8 is installed, the telescopic component 6 is pushed into the installation groove 5, the supporting top plate 8 is preliminarily fixed by utilizing the action of the push spring 604, after the main structure of the supporting device is built, a worker rotates the internal thread sleeve 601 to drive the external thread rod 602 to ascend, the top rod 603 is utilized to jack up the extension support 7, the supporting top plate 8 is further firmly fixed, and the installation stability of the supporting top plate 8 is improved.
Example 2:
referring to fig. 1-8, a collapse-proof supporting device for bridge and tunnel construction, a supporting roof 8 is formed by assembling a plurality of arc-shaped plate bodies 801, a slow-release groove 802 is arranged on the top of each arc-shaped plate body 801, elastic members 803 which are symmetrically distributed are arranged inside the slow-release groove 802, the elastic members 803 are obliquely distributed in a rod shape, when the top of a tunnel is a stone and uneven, and the supporting roof 8 is in contact with the top of the tunnel, the uneven parts extrude the elastic members 803 to be dislocated or bent to deform, the deformation of the elastic members 803 is used for distributing the pressure on the surface of the supporting roof 8, the deformation phenomenon caused by the extrusion of the surface of the supporting roof 8 is effectively avoided, the deformation of the elastic members 803 fills the pit gap on the top of the tunnel, the supporting effect on the top of the tunnel is enhanced, when the top of the supporting roof 8 is convexly deformed, namely, the elastic members 803 are broken or failed beyond the supporting range, early warning is found in time, and the safety in the supporting process is improved.
Example 3:
referring to fig. 1-7 and 9, an anti-collapse supporting device for bridge and tunnel construction, a supporting roof 8 is formed by assembling a plurality of sections of arc-shaped plate bodies 801, a slow release groove 802 is arranged at the top of each arc-shaped plate body 801, a plurality of independent elastic members 803 are arranged on the surface of each slow release groove 802, the tops of the elastic members 803 are in a wave shape, tooth-shaped structures are arranged at two ends of the wave shape, the bottoms of the elastic members 803 are in an inverted V-shaped structure, when the soil composition at the top of a tunnel is large, after the supporting roof 8 is installed, two ends of the supporting roof 8 are sequentially embedded into the top of the tunnel, the pressure at the top of the tunnel is shared, the local overload phenomenon is avoided, meanwhile, the soil is effectively prevented from scattering and moving along with construction vibration, the risk of collapse is effectively reduced, and secondly, when the collapse phenomenon occurs, and the bottoms of the elastic members 803 exceed the load and cannot be supported, the bottom wall of the supporting roof 8 is raised, and workers can find and deal with the phenomenon in time, the safety of the support is improved.
When in use, the supporting device main body is composed of a supporting seat 1, supporting side plates 16, a supporting top plate 8 and a supporting mechanism, the main body structures are connected in a plug-in mounting mode, the supporting seat 1 and the supporting side plates 16 are firstly fixed on the side surface of a tunnel during mounting, the supporting top plate 8 is fixed on the supporting side plates 16 on two sides, the supporting top plate 8 is firmly propped against the top of the tunnel by virtue of a telescopic component 6, then the supporting mechanism is mounted, a fixing anchor rod 11 is sequentially rotated to fix the supporting top plate 8, the supporting side plates 16 on two sides are outwards expanded when the supporting mechanism is stressed to be attached to the surface of the tunnel, finally a jacking component 3 is embedded between an upper limiting groove 4 and a lower limiting groove 2, the mounting of the supporting device is completed, the supporting structure is stable and firm, the broken stones on the surface of the tunnel are effectively prevented from falling, the splicing mounting mode is simple in operation, and the quick dismounting and dismounting of the supporting device are realized, meanwhile, the arrangement of the seepage water guide assembly guides the bottom water permeating from the surface of the tunnel to the inside of the storage tank 22 and discharges the water through the drain pipe 24, so that the inside of the tunnel is kept dry.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The collapse-preventing supporting device for bridge and tunnel construction comprises a supporting seat (1) erected depending on the inner wall of a tunnel, wherein a supporting side plate (16) is arranged at the top of the supporting seat (1), and a fixing bolt (17) is inserted between the supporting seat (1) and the supporting side plate (16), and is characterized in that an upper limiting groove (4) is arranged on the inner side surface of the supporting side plate (16), a lower limiting groove (2) is arranged at the top of the supporting seat (1), a jacking assembly (3) is inserted between the upper limiting groove (4) and the lower limiting groove (2), an inserting groove is arranged at the second angle of the supporting side plate (16), extension supports (7) are arranged in the two inserting grooves, and a supporting top plate (8) is arranged between the two extension supports (7);
the top of the inner side face of each supporting side plate (16) is provided with a mounting groove (5), the mounting grooves (5) are communicated with the insertion grooves, two telescopic assemblies (6) are mounted inside each mounting groove (5), the tops of the telescopic assemblies (6) are connected with the bottoms of the extension supports (7), a plurality of brackets (15) are mounted at the top of the inner side of each supporting side plate (16), and a supporting mechanism is arranged between the two brackets (15) on the same plane;
the support drawing mechanism is composed of two inclined brackets (13) and a support drawing frame (10), movable pins (9) are arranged between two ends of the support drawing frame (10) and the inclined brackets (13), wedge blocks (14) matched with brackets (15) are arranged at the bottom ends of the two inclined brackets (13), a plurality of nuts (12) are arranged on the surfaces of the inclined brackets (13) and the support drawing frame (10), fixed anchor rods (11) are screwed in the nuts (12), and a plurality of concave rings matched with the fixed anchor rods (11) are arranged at the bottom of the support top plate (8);
the lateral surface of strutting curb plate (16) is provided with infiltration water guide assembly, and the lateral surface of supporting seat (1) is provided with infiltration water guide assembly down, the inside of supporting seat (1) is provided with storage tank (22) that run through infiltration water guide assembly down, and the top of supporting seat (1) is provided with drain pipe (24) that are linked together with storage tank (22).
2. The collapse-preventing supporting device for bridge and tunnel construction according to claim 1, wherein the supporting seat (1) comprises a seat body (101) with an L-shaped structure, the storage tanks (22) are distributed at the bottom of the seat body (101), the top of the seat body (101) is provided with an extension plate (102), and the top of the extension plate (102) and the bottom of the supporting side plate (16) are provided with mutually-meshed penetrating protrusions (103).
3. The collapse prevention supporting device for bridge and tunnel construction according to claim 2, wherein the upper permeating water guiding component comprises a plurality of conical grooves (18) distributed on the outer side surface of the supporting side plate (16), and the bottom of the conical grooves (18) is provided with an upper draining hole (19) penetrating through the bottom end of the supporting side plate (16).
4. The collapse prevention supporting device for bridge and tunnel construction according to claim 3, wherein the downward water seepage guide assembly comprises a collecting tank (20) arranged on the outer side surface of the supporting seat (1), the top of the collecting tank (20) is connected with the upper water drainage hole (19), and the lower water drainage hole (21) is arranged between the bottom of the collecting tank (20) and the storage tank (22).
5. The collapse-preventing supporting device for bridge and tunnel construction according to claim 4, wherein the jacking assembly (3) comprises an upper jacking block (303) of an L-shaped structure and a lower fixing block (301) of an inverted T-shaped structure, and a plurality of hydraulic cylinders (302) are hinged between the lower fixing block (301) and the upper jacking block (303).
6. The collapse-preventing supporting device for bridge and tunnel construction according to claim 1, wherein the supporting seat (1) and the supporting side plate (16) are provided with protective net mechanisms (23) on the outer side surfaces, each protective net mechanism (23) comprises two elastic plates (2301) with arc structures, four magnetic guide sliders (2304) are arranged at four corners of each side surface of each elastic plate (2301), each protective net mechanism (23) further comprises strip grooves (2303) arranged at four corners of the outer side surfaces of the supporting seat (1) and the supporting side plate (16), the magnetic guide sliders (2304) are embedded in the strip grooves (2303), and a plurality of grid holes (2302) are arranged on the surface of each elastic plate (2301).
7. The collapse prevention supporting device for bridge and tunnel construction according to claim 6, wherein the outer surface of the elastic plate (2301) is provided with a plurality of wedge-shaped protrusions (2305) with triangular structures, and the inner surface of the elastic plate (2301) is provided with a plurality of elastic columns distributed in a downward inclination manner.
8. The collapse-preventing supporting device for bridge and tunnel construction according to claim 1, wherein the telescopic assembly (6) comprises an internal threaded sleeve (601) and an external threaded rod (602), which are screwed with each other, a top rod (603) is fixedly installed at the top of the external threaded rod (602), and a push spring (604) is fixedly installed at the outer side of the top rod (603).
9. The collapse-preventing supporting device for bridge and tunnel construction according to claim 8, wherein the supporting roof (8) is formed by assembling a plurality of arc-shaped plate bodies (801), the top of each arc-shaped plate body (801) is provided with a slow release groove (802), the slow release grooves (802) are internally provided with symmetrically distributed elastic members (803), and the elastic members (803) are obliquely distributed in a rod shape.
10. The collapse-preventing supporting device for bridge and tunnel construction according to claim 8, wherein the supporting roof (8) is formed by assembling a plurality of arc-shaped plate bodies (801), the top of each arc-shaped plate body (801) is provided with a slow release groove (802), the surface of each slow release groove (802) is provided with a plurality of independent elastic members (803), the top of each elastic member (803) is in a wave shape, the two ends of each wave shape are provided with tooth-shaped structures, and the bottom of each elastic member (803) is in an inverted V-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210453383.2A CN114856657A (en) | 2022-04-27 | 2022-04-27 | Collapse-preventing supporting device for bridge and tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210453383.2A CN114856657A (en) | 2022-04-27 | 2022-04-27 | Collapse-preventing supporting device for bridge and tunnel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114856657A true CN114856657A (en) | 2022-08-05 |
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ID=82632980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210453383.2A Withdrawn CN114856657A (en) | 2022-04-27 | 2022-04-27 | Collapse-preventing supporting device for bridge and tunnel construction |
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| Country | Link |
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| CN (1) | CN114856657A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837709A (en) * | 2022-05-13 | 2022-08-02 | 河南理工大学 | Supporting construction of soft coal seam tunnel section |
| CN115710870A (en) * | 2022-11-03 | 2023-02-24 | 重庆交通大学 | Open cut tunnel capable of preventing debris flow |
| CN115748808A (en) * | 2022-08-12 | 2023-03-07 | 中国建筑第二工程局有限公司 | Underground utility tunnel supports bearing structure |
| CN117552819A (en) * | 2024-01-12 | 2024-02-13 | 中国安全生产科学研究院 | Emergency rescue supporting device for underground inclined opening |
-
2022
- 2022-04-27 CN CN202210453383.2A patent/CN114856657A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837709A (en) * | 2022-05-13 | 2022-08-02 | 河南理工大学 | Supporting construction of soft coal seam tunnel section |
| CN114837709B (en) * | 2022-05-13 | 2023-03-10 | 河南理工大学 | Supporting construction of soft coal seam tunnel section |
| CN115748808A (en) * | 2022-08-12 | 2023-03-07 | 中国建筑第二工程局有限公司 | Underground utility tunnel supports bearing structure |
| CN115748808B (en) * | 2022-08-12 | 2024-08-27 | 中国建筑第二工程局有限公司 | Underground utility tunnel supports bearing structure |
| CN115710870A (en) * | 2022-11-03 | 2023-02-24 | 重庆交通大学 | Open cut tunnel capable of preventing debris flow |
| CN117552819A (en) * | 2024-01-12 | 2024-02-13 | 中国安全生产科学研究院 | Emergency rescue supporting device for underground inclined opening |
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