CN220059573U - Reinforced construction structure suitable for connecting channel - Google Patents
Reinforced construction structure suitable for connecting channel Download PDFInfo
- Publication number
- CN220059573U CN220059573U CN202321674777.7U CN202321674777U CN220059573U CN 220059573 U CN220059573 U CN 220059573U CN 202321674777 U CN202321674777 U CN 202321674777U CN 220059573 U CN220059573 U CN 220059573U
- Authority
- CN
- China
- Prior art keywords
- groove
- rod
- supporting
- screw
- tunnels
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010276 construction Methods 0.000 title claims abstract description 42
- 230000008093 supporting effect Effects 0.000 claims abstract description 109
- 230000002787 reinforcement Effects 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims description 19
- 241001669679 Eleotris Species 0.000 claims description 7
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 16
- 230000008569 process Effects 0.000 abstract description 10
- 238000009827 uniform distribution Methods 0.000 abstract description 7
- 230000003014 reinforcing effect Effects 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 238000010297 mechanical methods and process Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000005641 tunneling Effects 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model relates to the technical field of reinforcement construction of connecting channels, in particular to a reinforcement construction structure suitable for connecting channels, which is arranged in two tunnels in parallel and comprises two anchor cables horizontally arranged between the two tunnels and a supporting structure respectively arranged in each tunnel, wherein the supporting structure comprises two first supporting rods and a plurality of second supporting rods; the first supporting rods in the tunnels are fixed through the anchor cables arranged between the two tunnels, acting force tending to the tunnels is generated for each first supporting rod, and meanwhile, each anchor cable, each first supporting rod and each second supporting rod are connected into a whole to form an integral stress uniform distribution system, so that the first supporting rods cannot generate stress eccentricity of vertical supporting end faces, deflection influence of construction machinery on the established tunnels in the process of excavating the two tunnels is avoided to the greatest extent, and stability and supporting effect of the whole tunnels are improved.
Description
Technical Field
The utility model relates to the technical field of reinforcement construction of communication channels, in particular to a reinforcement construction structure suitable for communication channels.
Background
The connecting channel is an important component part of two single-line subway shield tunnels, plays important roles of escape, disaster relief, emergency rescue and the like, and the construction process comprises a plurality of key technologies, namely a pre-preparation stage (stratum reinforcing and segment stabilizing measures), excavation and primary support, a waterproof structure and secondary lining construction.
The freezing method is the most widely applied mature technology in the construction process of the connecting channel, and has 100 years history from the past, the excavated area is first required to be reinforced during the construction of the freezing method, but the frost heaving of the soil body can influence the built shield tunnel during the freezing and reinforcing of the soil body, and the construction period is long and the cost is higher; at present, the construction process of the pipe jacking method, the shield method and other mechanical methods becomes the preferred scheme of the excavation construction of the connecting channel, and the construction efficiency and the mechanization level are greatly improved.
However, when the connecting channel is constructed by adopting a mechanical method, the pushing force of the construction equipment is easy to cause the horizontal displacement of the originating shield tunnel to generate deflection, and when the construction machine approaches to the receiving shield tunnel, the pushing force of the cutter head is also easy to cause the horizontal displacement of the receiving shield tunnel to generate deflection. In order to reduce the excessive horizontal displacement of the constructed shield tunnel caused in the construction process of the mechanical method communication channel, the stratum around the constructed shield tunnel near the communication channel is usually reinforced, but the problems of high construction difficulty, long construction period, difficult guarantee of the reinforcing effect and the like are also faced.
Based on the above, chinese patent CN110735650a proposes a reinforcing construction structure for a connection channel between shield tunnels, which includes tie rods arranged between two shield tunnels and temporary inner support rods arranged in the shield tunnels, and is connected by arranging a plurality of tie rods between two parallel shield tunnels, so as to reduce the influence of construction machinery on the established tunnels by using the principle of self-balancing of internal forces of the system; the tunnel has the defects that the diameter of the tunnel is larger in actual engineering, at least more than 6m, the temporary supporting rods in the prior art are installed in a threaded connection mode, the span of a single temporary supporting rod is overlarge and can reach 4m-5m, the temporary supporting rods of the steel structure can generate stress eccentricity and stress concentration of the vertical supporting end face under the action of large-span dead weight load, the stability and supporting effect of the whole tunnel are adversely affected, and construction safety hidden dangers are formed.
Disclosure of Invention
The utility model provides a reinforcing construction structure suitable for a connecting channel, which aims to solve the problems of poor stability and poor supporting effect of the whole tunnel caused by stress eccentricity and stress concentration of a vertical supporting end surface generated by a temporary supporting rod under the action of large-span dead weight load.
The reinforcing construction structure suitable for the connecting channel is arranged on two tunnels which are distributed in parallel and comprises two anchor cables horizontally arranged between the two tunnels and supporting structures respectively arranged in the tunnels, wherein each supporting structure comprises two first supporting rods and a plurality of second supporting rods;
the two ends of the first support rods are respectively and fixedly connected to the inner side wall of the tunnel, and each first support rod is horizontally arranged;
one end of the second support rod is fixedly connected with one of the first support rods, the other end of the second support rod is fixedly connected with the other first support rod, and each second support rod is vertically arranged;
the anchor cable comprises a connecting part and extending parts, wherein the connecting part is positioned between two tunnels, the extending parts respectively penetrate through the two tunnels, and each extending part of one anchor cable is respectively and fixedly connected with one first supporting rod in each tunnel, so that the axis of one anchor cable and the axis of one first supporting rod in each tunnel are on the same horizontal line; the extending parts of the other anchor cable are fixedly connected with the other first supporting rods in the tunnels respectively, so that the axes of the other anchor cable and the axes of the other first supporting rods in the tunnels are all on the same horizontal line.
The utility model has the advantages and beneficial effects that: the first supporting rods in the tunnels are fixed through the anchor cables arranged between the two tunnels, acting force tending to the tunnels is generated for each first supporting rod, and meanwhile, each anchor cable, each first supporting rod and each second supporting rod are connected into a whole to form an integral stress uniform distribution system, so that the first supporting rods cannot generate stress eccentricity of vertical supporting end faces, deflection influence of construction machinery on the established tunnels in the process of excavating the two tunnels is avoided to the greatest extent, and stability and supporting effect of the whole tunnels are improved.
Preferably, the first support rod comprises a plurality of short rods fixedly connected with each other and a plurality of first connecting pieces for fixedly connecting the short rods, the first connecting pieces comprise first connecting pieces and first fastening structures arranged at two ends of the first connecting pieces, first groove structures for fixedly connecting the first fastening structures are arranged on the side surfaces of the short rods, and at least one short rod of the first support rod is fixedly connected with the corresponding extending part. The setting like this, but change the fixed connection of the multistage quarter butt of extension through with first bracing piece into for stress evenly distributed on the first bracing piece, each quarter butt is connected through the cooperation of first connecting piece and first fastening structure simultaneously, has increased the area of contact of first bracing piece, has effectively reduced the concentrated stress that bearing structure bore.
Preferably, the first fastening structure comprises a first gasket and a first screw, a threaded hole for the first screw to be in threaded connection is formed in the first gasket, the side surface of the short rod is provided with the first groove structure along the axis direction of the short rod, and the first groove structure penetrates through two ends of the short rod; the first groove structure comprises a first groove for the screw rod of the first screw to pass through and a second groove for the first gasket to pass through in clearance fit, the first groove is communicated with the second groove, the first groove is positioned on the outer side of the second groove, the first groove and the second groove form a convex structure, so that after the first screw and the first gasket are locked, one end of the first gasket abuts against the joint of the first groove and the second groove, and a through hole for the screw rod of the first screw to pass through is formed in the first connecting piece, so that two adjacent short rods are fixed together through the cooperation connection of the first connecting piece, the first gasket and the first screw. The contact area of the first support rod is further increased through the matched connection of the first gasket and the first groove structure of the convex-shaped structure.
Preferably, the short rod is of a square tube structure, and the four side surfaces of the square tube structure are respectively provided with the first groove structure. The arrangement is that the four side surfaces of the square tube structure are provided with the first groove structures, so that the four side surfaces of the two adjacent square tube structures can be fixedly connected through the first fastening structure and the first connecting piece, and the connection firmness between every two short rods is improved.
Preferably, a buffer pad is arranged between the two ends of each first supporting rod and the inner side wall of each tunnel. The setting like this, the blotter has increased the area of contact of the inside wall of first bracing piece and tunnel, plays the effect of the stress of transmission first bracing piece to the tunnel inside wall, improves the supporting effect in tunnel.
Preferably, the cushion pad is made of sleeper. The sleeper has the characteristics of good elasticity, light weight, simple manufacture and good insulativity.
Preferably, the tunnel shield system further comprises a pushing rod, one end of the pushing rod is fixedly connected with the inner side wall of the tunnel, the other end of the pushing rod is fixedly connected with the shield mechanism, and the pushing rod is used for supporting the shield mechanism and assisting the shield mechanism to push towards the other tunnel. The arrangement is such that the push rod produces a force on the shield mechanism towards the other tunnel so that the shield mechanism is assisted in moving towards the other tunnel under the force provided by the push rod.
Preferably, the device further comprises a plurality of second connecting pieces, each second connecting piece comprises a second connecting piece and a second fastening structure arranged at one end of the second connecting piece, the other end of each second connecting piece is provided with a first fastening structure, the side face of each second supporting rod is provided with a second groove structure for fixedly connecting the second fastening structures, and the second supporting rods are fixedly connected between the two first supporting rods through the fixed connection of the first fastening structures and the first groove structures and the fixed connection of the second fastening structures and the second groove structures. The first support rod and the second support rod are fixed through the second connecting piece, the first fastening structure and the first groove structure in matched connection and the second fastening structure and the second groove structure in matched connection.
Preferably, the second fastening structure comprises a second gasket and a second screw, a threaded hole for the threaded connection of the second screw is formed in the second gasket, the side surface of the second support rod is provided with the second groove structure along the axis direction of the second support rod, and the second groove structure penetrates through two ends of the second support rod; the second groove structure comprises a third groove for the screw rod of the second screw to pass through and a fourth groove for the second gasket to pass through in clearance fit, the third groove is communicated with the fourth groove, the third groove is positioned on the outer side of the fourth groove, the third groove and the fourth groove form a convex structure, so that after the second screw and the second gasket are locked, one end of the second gasket is abutted against the joint of the third groove and the fourth groove, and a through hole for the screw rod of the second screw to pass through is formed in the second connecting piece, so that the second supporting rod is fixedly connected between the two first supporting rods through the second connecting piece, the second gasket and the matched connection of the second screw and the fixed connection of the first fastening structure and the first groove. The arrangement improves the connection firmness between the second fastening structure and the second groove structure through the matching connection of the second gasket and the second groove structure of the convex-shaped structure.
Preferably, the second support rod is of a square tube structure, the second connecting piece is of a T-shaped structure, and the four side faces of the second support rod are respectively provided with the second groove structure. The setting like this is through all establishing the second groove structure on four sides of second bracing piece for can carry out fixed connection through the cooperation of first fastening structure and second connection piece between second bracing piece and the first bracing piece, increased the connection firmness between first bracing piece and the second bracing piece.
Drawings
FIG. 1 is a plan view of a reinforced construction structure of the present utility model in a tunnel;
FIG. 2 is an exploded view of the shorting bar and first connector of the present utility model;
FIG. 3 is a schematic illustration of the connection of a second connector according to the present utility model;
fig. 4 is an enlarged view at a in fig. 1.
Wherein,
1. a tunnel; 2. an anchor cable; 3. a support structure; 4. a short bar; 5. a first connector; 6. a first groove structure; 7. a cushion pad; 8. a propulsion rod; 9. a shield mechanism; 10. a second connector; 11. a second groove structure; 2.1, a connecting part; 2.2, an extension; 3.1, a first supporting rod; 3.2, a second supporting rod; 5.1, a first connecting piece; 5.2, a first fastening structure; 6.1, a first groove; 6.2, a second groove; 10.1, a second connecting sheet; 10.2, a second fastening structure; 11.1, a third groove; 11.2, a fourth groove; 5.21, a first gasket; 5.22, a first screw; 10.21, a second shim; 10.22, second screw.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
The utility model provides a reinforcing construction structure suitable for a connecting channel, which aims to solve the problems that the stability and the supporting effect of the whole tunnel 1 are poor due to the fact that stress eccentricity and stress concentration of a vertical supporting end face can be generated under the action of large-span dead weight load of a temporary supporting rod.
Referring to fig. 1, a reinforced construction structure suitable for a connecting channel is arranged on two tunnels 1 which are distributed in parallel, and comprises two anchor cables 2 horizontally arranged between the two tunnels 1 and a supporting structure 3 respectively arranged in each tunnel 1, wherein the supporting structure 3 comprises two first supporting rods 3.1 and a plurality of second supporting rods 3.2;
two ends of the first supporting rod 3.1 are respectively and fixedly connected to the inner side wall of the tunnel 1, and each first supporting rod 3.1 is horizontally arranged;
one end of the second supporting rod 3.2 is fixedly connected with one first supporting rod 3.1, the other end of the second supporting rod is fixedly connected with the other first supporting rod 3.1, and each second supporting rod 3.2 is vertically arranged;
the anchor cable 2 comprises a connecting part 2.1 positioned between two tunnels 1 and an extending part 2.2 respectively penetrating through the two tunnels 1, wherein each extending part 2.2 of one anchor cable 2 is respectively fixedly connected with one first supporting rod 3.1 in each tunnel 1, so that the axis of one anchor cable 2 and the axis of one first supporting rod 3.1 in each tunnel 1 are on the same horizontal line; each extension part 2.2 of the other anchor rope 2 is fixedly connected with the other first supporting rod 3.1 in each tunnel 1 respectively, so that the axis of the other anchor rope 2 and the axis of the other first supporting rod 3.1 in each tunnel 1 are on the same horizontal line.
Specifically, the anchor cable 2 arranged between the two tunnels 1 fixes the first support rods 3.1 in each tunnel 1, the acting force tending to the opposite direction to the tunnels 1 is generated for each first support rod 3.1, and meanwhile, each anchor cable 2, each first support rod 3.1 and each second support rod 3.2 are connected into a whole to form an integral stress uniform distribution system, so that the first support rods 3.1 cannot generate stress eccentricity of vertical support end surfaces, the influence of construction machinery on deflection of the established tunnels 1 in the process of excavating the two tunnels 1 is avoided to the greatest extent, and the stability and the supporting effect of the whole tunnels 1 are improved.
In the preferred embodiment of the present utility model, as shown in fig. 2, the first supporting rod 3.1 includes a plurality of short rods 4 fixedly connected to each other and a plurality of first connecting members 5 for fixedly connecting each short rod 4, the first connecting members 5 include first connecting pieces 5.1 and first fastening structures 5.2 disposed at both ends of the first connecting pieces 5.1, the side surfaces of each short rod 4 are respectively provided with a first groove structure 6 for fixedly connecting the first fastening structures 5.2, and at least one short rod 4 of the first supporting rod 3.1 is fixedly connected with the corresponding protruding portion 2.2.
Specifically, the first supporting rod 3.1 is changed into the fixed connection of the multi-section short rods 4 which can be spliced and prolonged, so that the stress on the first supporting rod 3.1 is uniformly distributed, and meanwhile, the short rods 4 are connected with the first fastening structure 5.2 through the first connecting piece 5, so that the contact area of the first supporting rod 3.1 is increased, and the concentrated stress born by the supporting structure 3 is effectively reduced.
In order to further optimize the scheme, the first fastening structure 5.2 comprises a first gasket 5.21 and a first screw 5.22, a threaded hole for the first screw 5.22 to be in threaded connection is formed in the first gasket 5.21, a first groove structure 6 is formed in the side surface of the short rod 4 along the axis direction of the short rod, and the first groove structure 6 penetrates through two ends of the short rod 4; the first groove structure 6 comprises a first groove 6.1 for the screw rod of the first screw 5.22 to pass through and a second groove 6.2 for the first gasket 5.21 to be in clearance fit, the first groove 6.1 is communicated with the second groove 6.2, the first groove 6.1 is positioned on the outer side of the second groove 6.2, the first groove 6.1 and the second groove 6.2 form a convex structure, so that after the first screw 5.22 and the first gasket 5.21 are locked, one end of the first gasket 5.21 abuts against the joint of the first groove 6.1 and the second groove 6.2, and a through hole for the screw rod of the first screw 5.22 to pass through is formed in the first connecting piece 5.1, so that two adjacent short rods 4 are fixed together through the matching connection of the first connecting piece 5.1, the first gasket 5.21 and the first screw 5.22.
Specifically, through the cooperation connection of the first gasket 5.21 and the first groove structure 6 of the convex structure, the contact area of the first supporting rod 3.1 is further increased.
In order to further optimize the scheme, the short rod 4 is of a square tube structure, and four sides of the square tube structure are provided with first groove structures 6.
Specifically, through all establishing first groove structure 6 on four sides of side's tube structure for four sides of two adjacent side's tube structure can all carry out fixed connection through first fastening structure 5.2 and first connecting piece 5.1, have increased the connection firmness between two liang of quarter butt 4.
In the preferred embodiment of the present utility model, a buffer pad 7 is disposed between the two ends of each first support bar 3.1 and the inner side wall of each tunnel 1.
Specifically, the buffer pad 7 increases the contact area between the first supporting rod 3.1 and the inner side wall of the tunnel 1, plays a role in transferring the stress of the first supporting rod 3.1 to the inner side wall of the tunnel 1, and improves the supporting effect of the tunnel 1.
To further optimize the above, the material of the cushion pad 7 is sleeper.
Specifically, the sleeper has the characteristics of good elasticity, light weight, simple manufacture and good insulativity.
The preferred implementation of the utility model is characterized by also comprising a pushing rod 8, wherein one end of the pushing rod 8 is fixedly connected with the inner side wall of the tunnel 1, the other end of the pushing rod is fixedly connected with the shield mechanism 9, and the pushing rod 8 is used for supporting the shield mechanism 9 and assisting the shield mechanism 9 to push towards the other tunnel 1.
Specifically, the pushing rod 8 generates a force towards the other tunnel 1 on the shield mechanism 9, so that the shield mechanism 9 is assisted to move towards the other tunnel 1 under the force provided by the pushing rod 8; wherein a sleeper is also provided between the propulsion rod 8 and the inner side wall of the tunnel 1.
In the preferred embodiment of the present utility model, as shown in fig. 3, the present utility model further includes a plurality of second connecting pieces 10, the second connecting pieces 10 include a second connecting piece 10.1 and a second fastening structure 10.2 disposed at one end of the second connecting piece 10.1, the other end of the second connecting piece 10.1 is provided with a first fastening structure 5.2, the side surfaces of each second supporting rod 3.2 are respectively provided with a second groove structure 11 for fixedly connecting the second fastening structures 10.2, and the second supporting rods 3.2 are fixedly connected between the two first supporting rods 3.1 through the fixed connection of the first fastening structures 5.2 and the first groove structures 6 and the fixed connection of the second fastening structures 10.2 and the second groove structures 11.
Specifically, the first support rod 3.1 and the second support rod 3.2 are fixed through the second connecting piece 10.1 and the matching connection of the first fastening structure 5.2 and the first groove structure 6 and the matching connection of the second fastening structure 10.2 and the second groove structure 11.
As shown in fig. 4, to further optimize the above scheme, the second fastening structure 10.2 includes a second spacer 10.21 and a second screw 10.22, where a threaded hole for the second screw 10.22 to be screwed is formed in the second spacer 10.21, a second groove structure 11 is formed on a side surface of the second support rod 3.2 along its own axis direction, and the second groove structure 11 penetrates through two ends of the second support rod 3.2; the second groove structure 11 comprises a third groove 11.1 for the screw rod of the second screw 10.22 to pass through and a fourth groove 11.2 for the second gasket 10.21 to be in clearance fit, the third groove 11.1 is communicated with the fourth groove 11.2, the third groove 11.1 is positioned at the outer side of the fourth groove 11.2, the third groove 11.1 and the fourth groove 11.2 form a convex structure, so that after the second screw 10.22 and the second gasket 10.21 are locked, one end of the second gasket 10.21 abuts against the joint of the third groove 11.1 and the fourth groove 11.2, a through hole for the screw rod of the second screw 10.22 to pass through is formed in the second connecting piece 10.1, the second gasket 10.21 and the matched connection of the second screw 10.22 and the fixed connection of the first fastening structure 5.2 and the first groove structure 7, and the second supporting rod 3.2 is fixedly connected between the two first supporting rods 3.1.
Specifically, through the cooperation connection of the second gasket 10.21 and the second groove structure 11 of the convex structure, the connection firmness between the second fastening structure 10.2 and the second groove structure 11 is improved.
In order to further optimize the scheme, the second supporting rod 3.2 is of a square tube structure, the second connecting piece 10.1 is of a T-shaped structure, and the four side faces of the second supporting rod 3.2 are respectively provided with a second groove structure 11.
Specifically, through all establishing second groove structure 11 on four sides of second bracing piece 3.2 for can carry out fixed connection through the cooperation of first fastening structure 5.2 and first connection piece 5.1 and second fastening structure 10.2 and second connection piece 10.1 between second bracing piece 3.2 and the first bracing piece 3.1, increased the connection firmness between first bracing piece 3.1 and the second bracing piece 3.2.
The preferred embodiments of the present utility model are as follows: the utility model aims to provide a construction stress uniform distribution system between two tunnels 1 (namely connecting channels), wherein a plurality of first support rods 3.1 which can be spliced and prolonged are arranged in the two tunnels 1 which are distributed in parallel, and a support system is formed by arranging the first support rods 3.1, so that the stress uniform distribution of the first support rods 3.1 is realized, and the influence of construction machinery on the deflection deformation of the constructed tunnel 1 in the process of excavating the connecting channels is avoided to the greatest extent.
The first support rods 3.1 and the second support rods 3.2 are made of industrial aluminum profiles, are arranged at the positions 30-50cm above and below the designed positions of the connecting channels to be constructed of the two tunnels 1, and the cross section shape of the area surrounded by the first support rods 3.1 corresponds to the cross section shape of the connecting channels to be constructed.
In order to avoid adverse effects of stress concentration on the inner side wall of the tunnel 1 (the inner side wall of the tunnel 1 is provided with a shield segment), namely adverse effects on the shield segment, buffer pads 7 are arranged at contact positions of the end parts of the first support rods 3.1 and the shield segment, the buffer pads 7 are preferably sleepers, and screw thread mounting holes are reserved in shield segment processing.
The whole support system comprises a first support rod 3.1 which is horizontally arranged in two rows up and down in two tunnels 1 and a second support rod 3.2 which is vertically arranged in two rows left and right, wherein the first support rod 3.1 is fixedly connected with prefabricated thread mounting holes on shield segments at two sides through bolts respectively; the first supporting rods 3.1 are connected by adopting the first connecting piece 5.1, and a rectangular Y-shaped external connecting plate is preferred, so that the contact area between the supporting rods is increased, and the concentrated stress born by the main body of the supporting system is effectively reduced; the second supporting rod 3.2 is connected with the first supporting rod 3.1 by adopting a second connecting sheet 10.1, a preferable T-shaped external connecting plate is adopted, an upper high-strength anchor cable 2 and a lower high-strength anchor cable 2 are adopted between the two tunnels 1, and are connected with the sleeper on the duct piece and the first supporting rod 3.1 into a whole, so that an overall stress uniform distribution system is finally formed.
The device comprises a tunnel 1, a shield mechanism 9 and an integrated box, wherein the shield mechanism 9 comprises a tunneling cutter head, a screw rod, a machine body shell, a storage chamber and a power box positioned in the integrated box, the cutter head is positioned at the front part of the machine body shell and is used for excavating rock and soil bodies forwards, the rear end of the cutter head is connected with the front end of the screw rod for conveying dregs, and the rear end of the screw rod is connected with the power box; the power box is located at the middle of the integrated box and provides a power source for the whole system, the body shell mainly plays a role in protection and is combined with the components into a whole, the upper part, the lower part and the middle position (provided with a rotary hinged support) of one side, close to the shield segment, of the outside of the integrated box are respectively provided with a steel structure supporting rod, the supporting position of the supporting rod 8 is convenient to adjust according to the tunneling direction, and the steel structure supporting rod is the supporting rod 8 and is used for forming a whole stress uniform distribution system with a supporting system formed by the first supporting rod 3.1 and the second supporting rod 3.2.
The shield mechanism 9 and the integrated box are integrally arranged on the guide rail of the supporting platform, the lower part of the supporting platform is provided with the hydraulic lifting base, when the tunneling operation is excavated forwards, the shield mechanism 9 moves forwards along the guide rail under the reaction force provided by the pushing rod 8, and the guide rail and the hydraulic lifting base can ensure that the posture of the shield mechanism 9 is stable and always moves forwards along the same axis.
The terms "first," "second," "third," "fourth" and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented, for example, in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solution of the present utility model, and not limiting thereof; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. The utility model provides a reinforcement construction structure suitable for communication channel, sets up in two tunnels (1) of parallel distribution, includes two anchor rope (2) that the level set up between two tunnel (1) and sets up respectively in bearing structure (3) in each tunnel (1), characterized in that, bearing structure (3) include two first bracing piece (3.1) and a plurality of second bracing piece (3.2);
two ends of the first supporting rods (3.1) are respectively and fixedly connected to the inner side wall of the tunnel (1), and each first supporting rod (3.1) is horizontally arranged;
one end of the second support rod (3.2) is fixedly connected with one of the first support rods (3.1), the other end of the second support rod is fixedly connected with the other first support rod (3.1), and each second support rod (3.2) is vertically arranged;
the anchor cable (2) comprises a connecting part (2.1) positioned between two tunnels (1) and an extending part (2.2) respectively penetrating through the two tunnels (1), wherein each extending part (2.2) of one anchor cable (2) is fixedly connected with one first supporting rod (3.1) in each tunnel (1) respectively, so that the axis of one anchor cable (2) and the axis of one first supporting rod (3.1) in each tunnel (1) are on the same horizontal line; the extending parts (2.2) of the other anchor cable (2) are respectively and fixedly connected with the other first supporting rods (3.1) in the tunnels (1), so that the axes of the other anchor cable (2) and the axes of the other first supporting rods (3.1) in the tunnels (1) are on the same horizontal line.
2. The reinforced construction structure according to claim 1, wherein the first supporting rod (3.1) comprises a plurality of short rods (4) fixedly connected with each other and a plurality of first connecting pieces (5) for fixedly connecting each short rod (4), the first connecting pieces (5) comprise first connecting pieces (5.1) and first fastening structures (5.2) arranged at two ends of the first connecting pieces (5.1), a first groove structure (6) for fixedly connecting the first fastening structures (5.2) is arranged on the side surface of each short rod (4), and at least one short rod (4) of the first supporting rod (3.1) is fixedly connected with the corresponding extending part (2.2).
3. The reinforced construction structure according to claim 2, wherein the first fastening structure (5.2) comprises a first spacer (5.21) and a first screw (5.22), the first spacer (5.21) is provided with a threaded hole for the first screw (5.22) to be screwed, the side surface of the short rod (4) is provided with the first groove structure (6) along the axis direction thereof, and the first groove structure (6) penetrates through both ends of the short rod (4); the first groove structure (6) comprises a first groove (6.1) for allowing a screw rod of the first screw (5.22) to pass through and a second groove (6.2) for allowing the first gasket (5.21) to be in clearance fit, the first groove (6.1) is communicated with the second groove (6.2), the first groove (6.1) is located on the outer side of the second groove (6.2), the first groove (6.1) and the second groove (6.2) form a convex-shaped structure, so that after the first screw (5.22) and the first gasket (5.21) are locked, one end of the first gasket (5.21) is abutted to the joint of the first groove (6.1) and the second groove (6.2), and a through hole for allowing the screw rod of the first screw (5.22) to pass through is formed in the first groove (6.1), and two adjacent short connecting rods (4) are fixed on the first gasket (5.21) and the first gasket (5.21) in a matched mode.
4. A reinforced construction structure according to claim 3, wherein the short bars (4) are square tube structures, each of the four sides of which is provided with the first groove structures (6).
5. The reinforced construction structure according to claim 1, wherein a cushion pad (7) is provided between both ends of each of the first support rods (3.1) and the inner side wall of each of the tunnels (1).
6. The reinforced construction structure according to claim 5, wherein the material of the cushion pad (7) is a sleeper.
7. The reinforced construction structure according to claim 1, further comprising a pushing rod (8), wherein one end of the pushing rod (8) is fixedly connected with an inner side wall of the tunnel (1), the other end of the pushing rod is fixedly connected with the shield mechanism (9), and the pushing rod (8) is used for supporting the shield mechanism (9) and assisting the shield mechanism (9) to push towards the other tunnel (1).
8. The reinforced construction structure according to any one of claims 2 to 4, further comprising a plurality of second connecting pieces (10), wherein the second connecting pieces (10) comprise second connecting pieces (10.1) and second fastening structures (10.2) arranged at one ends of the second connecting pieces (10.1), the first fastening structures (5.2) are arranged at the other ends of the second connecting pieces (10.1), second groove structures (11) for fixedly connecting the second fastening structures (10.2) are arranged on the side surfaces of each second supporting rod (3.2), and the second supporting rods (3.2) are fixedly connected between the two first supporting rods (3.1) through the fixed connection of the first fastening structures (5.2) and the first groove structures (6) and the fixed connection of the second fastening structures (10.2) and the second groove structures (11).
9. The reinforced construction structure according to claim 8, wherein the second fastening structure (10.2) comprises a second spacer (10.21) and a second screw (10.22), the second spacer (10.21) is provided with a threaded hole for the second screw (10.22) to be screwed, the side surface of the second support bar (3.2) is provided with the second groove structure (11) along the axis direction thereof, and the second groove structure (11) penetrates through both ends of the second support bar (3.2); the second groove structure (11) comprises a third groove (11.1) for allowing a screw rod of the second screw (10.22) to pass through and a fourth groove (11.2) for allowing the second gasket (10.21) to be in clearance fit, the third groove (11.1) is communicated with the fourth groove (11.2), the third groove (11.1) is located on the outer side of the fourth groove (11.2), the third groove (11.1) and the fourth groove (11.2) form a convex-shaped structure, so that after the second screw (10.22) and the second gasket (10.21) are locked, the second gasket (10.21) is abutted to the joint of the third groove (11.1) and the fourth groove (11.2), a through hole for allowing the screw rod of the second screw (10.22) to pass through is formed in the second groove (11.1), and the second gasket (10.2) is fixedly connected with the first gasket (10.2) through the second screw (10.2) and the second gasket (10.2).
10. The reinforced construction structure according to claim 9, wherein the second support bar (3.2) is of a square tube structure, the second connecting piece (10.1) is of a T-shaped structure, and the second groove structures (11) are provided on four sides of the second support bar (3.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321674777.7U CN220059573U (en) | 2023-06-28 | 2023-06-28 | Reinforced construction structure suitable for connecting channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321674777.7U CN220059573U (en) | 2023-06-28 | 2023-06-28 | Reinforced construction structure suitable for connecting channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220059573U true CN220059573U (en) | 2023-11-21 |
Family
ID=88768076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321674777.7U Active CN220059573U (en) | 2023-06-28 | 2023-06-28 | Reinforced construction structure suitable for connecting channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220059573U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735650A (en) * | 2019-11-25 | 2020-01-31 | 中铁十九局集团轨道交通工程有限公司 | reinforced construction structure of communication channel between shield tunnels and construction method thereof |
-
2023
- 2023-06-28 CN CN202321674777.7U patent/CN220059573U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735650A (en) * | 2019-11-25 | 2020-01-31 | 中铁十九局集团轨道交通工程有限公司 | reinforced construction structure of communication channel between shield tunnels and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220059573U (en) | Reinforced construction structure suitable for connecting channel | |
| CN101793010B (en) | Arch-included integral pushing method for large-tonnage multi-span combined arch bridge | |
| CN207363606U (en) | A kind of drilling machine sliding system | |
| CN109184733B (en) | Soft rock chamber bottom heave treatment supporting structure and method based on prefabricated bottom arc plate | |
| CN102061742B (en) | Shockproof reinforced concrete pseudo-classic building structural system | |
| CN113006822A (en) | Special-shaped shield segment structure penetrating through yellow land cracks and construction method thereof | |
| CN110821537A (en) | Support method for fully-mechanized coal mining face pre-digging single-withdrawing channel | |
| CN212359785U (en) | Yielding primary support structure for controlling large deformation of high-ground-stress soft rock tunnel | |
| CN211950516U (en) | Rock pillar structure and system for replacing high-ground-stress soft rock large-deformation ultra-small-clear-distance tunnel | |
| CN213331123U (en) | Coal mining excavation passageway reinforcing facility | |
| CN111852505A (en) | Yielding primary support system for large deformation control of high-ground-stress soft rock tunnel | |
| CN107060809B (en) | Combined structure for treating floor heave of roadway and construction method | |
| CN112922641B (en) | Circular prestress bracket system for subway communication channel construction and assembling method | |
| CN113123811B (en) | Rock mass cavity protective structure suitable for high-altitude area based on tunnel engineering | |
| CN215170078U (en) | Surrounding rock strengthening and supporting structure of roadway | |
| CN210239699U (en) | Anchor cable and joist coupling connecting system | |
| CN210396760U (en) | Assembled supporting system for diversion tunnel construction | |
| CN214836386U (en) | A special-shaped shield constructs section of jurisdiction structure for wearing yellow land crack | |
| CN111485914B (en) | Rock pillar construction method in replacement of high-ground-stress soft rock large-deformation ultra-small clear distance tunnel | |
| CN220908392U (en) | Pumped storage geological exploration supporting structure | |
| CN216741539U (en) | Bridge tunnel excavates with protection bearing structure | |
| CN214366113U (en) | Circular prestressed support and system for subway communication channel construction | |
| CN221761927U (en) | Main body tunnel and auxiliary tunnel interface structure | |
| CN219119275U (en) | Novel tunnel top group supporting structure | |
| CN219430406U (en) | Step-by-step mechanism supports step frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |