161 results about "Utility tunnel" patented technology

The invention relates to the technical field of tunnel engineering prefabricated part production, in particular to a large-diameter duct piece independent kiln assembly line conveying prefabricating method and system. S2, a reinforcement cage and an embedded part are installed; s3, concrete is precisely poured and vibrated; s4, pre-curing and surface treatment; s5, carrying out roller way type flow conveying; s6, hydration heat-driven dynamic maintenance is carried out; and S7, demolding and finished product detection. And S8, mold circulation. According to the large-diameter duct piece prefabricating production line, through technical innovation in multiple aspects of mold, conveying, maintenance, control and the like, the core technical problem in existing large-diameter duct piece prefabricating production is solved, high-precision, high-efficiency, low-energy-consumption and green production of large-diameter duct pieces is achieved, and the large-diameter duct piece prefabricating production line has remarkable technical advantages and wide application prospects and is suitable for large-diameter duct piece prefabricating production. The method can be widely applied to infrastructure construction projects such as shield tunnels, open caisson projects and underground comprehensive pipe galleries.

The invention discloses a tunnel and station integrated structure suitable for a soft soil stratum, which belongs to the technical field of underground stations and comprises a tunnel and a plurality of access passages. Layered floors extending in the longitudinal direction are arranged in the tunnel. The first-layer space comprises station hall sections arranged at intervals in the longitudinal direction. The second-layer space comprises two rail-mounted areas extending in the longitudinal direction, a comprehensive pipe gallery and a platform interval corresponding to the station hall interval. The two rail-mounted areas are arranged on the two transverse sides of the comprehensive pipe gallery correspondingly, and the platform section is arranged on the top of the comprehensive pipe gallery. Each access channel comprises a lifting vertical shaft extending in the vertical direction, and a lifting vertical ladder is arranged in each lifting vertical shaft. The tunnel and station integrated structure suitable for the soft soil stratum can adapt to the geological environment of the soft soil stratum, the excavation range of the ground in the station construction process can be reduced as much as possible, and the safety of the whole station structure and access channels can be guaranteed while the excavation work amount is reduced.

The invention discloses a comprehensive pipe gallery operation positioning and visual data processing system and method, belongs to the technical field of intelligent monitoring and management, and aims to solve the problems of poor data synchronization, weak dynamic adaptation, high false alarm rate and the like. According to the system, positioning and visual data are calibrated at a millisecond level through the timestamp alignment module, and multi-source data synchronization is ensured; a graph neural network GNN is used for fusing multi-sensor data, a personnel-equipment-environment space-time correlation graph is constructed, a dynamic digital twinborn body is generated in combination with a BIM model, and real-time monitoring and fault early warning are achieved; the visual optimization module can dynamically correct false detection, significantly reduce false alarm rate and bandwidth occupation, and optimize data transmission; the data processing method based on the system comprises the following steps: calibrating multi-modal data, and compensating clock drift; constructing a space-time correlation graph, and distributing dynamic weights; analyzing a visual result in real time, training and updating model parameters, and compressing data to reduce bandwidth; and the method is suitable for power stations, urban pipe galleries and other scenes.

The application is suitable for the technical field of prefabricated comprehensive pipe gallery, and provides a light prefabricated comprehensive pipe gallery, which comprises a plurality of pipe gallery bodies and sealing connection mechanisms, two pipe gallery bodies are sealingly connected through the sealing connection mechanisms, and further comprises a bottom plate, a fixed sliding block is fixed on the pipe gallery body, a guide sliding groove is arranged on the bottom plate, and the fixed sliding block is slidingly connected on the guide sliding groove. The cable is placed on the guide roller, the cable is pulled through the rotation of the guide roller, when the cable arrangement is completed, the fixing assembly releases the restriction of the pressing plate, the first spring pulls the pressing plate to rotate downward, the pressing plate cooperates with the guide roller to fix the cable, the reverse restriction assembly restricts the pressing plate from rotating away from the guide roller, the rotation stopping assembly restricts the rotation of the first rotating shaft through the rotation of the pressing plate to the guide roller, and then the fixing of the pressing plate and the guide roller to the cable is more stable, and then the cable arrangement and fixing are facilitated.

This invention relates to a substation structure and construction method suitable for small-section utility tunnels. The structure comprises a two-story building with side walls on the outer perimeter and a larger upper section and a smaller lower section. The lower level is a small-section utility tunnel housing municipal utility pipelines, while the upper level is a large-section substation equipment room. Several reinforced partition walls are installed below the equipment room and on one side of the utility tunnel for support, with the spaces between these partition walls filled with plain concrete. In traditional integrated utility tunnel substation structures, the width of the two-story substation is typically the same as the width of the lower standard compartment. Compared to the lower small-section utility tunnel, the upper substation has a relatively larger cross-section. The excess portion is supported by reinforced partition walls at the bottom. This design effectively increases the stability of the overall utility tunnel structure while meeting the overall functional requirements of the substation, extending its service life and fulfilling the overall usage needs of the utility tunnel.

The invention provides a top plate hydraulic formwork, and relates to the field of highway pipe gallery engineering, the top plate hydraulic formwork comprises a frame, a cross beam is fixedly connected to the inner side of the frame, a servo motor is fixedly connected in the cross beam, a linkage gear A is coaxially connected to the top of a rotating shaft of the servo motor, a hydraulic cylinder A is fixedly connected to the top of the frame, and limiting rods are slidably connected to the left and right sides of the top of the frame; a top supporting plate is fixedly connected to the top of the telescopic portion of the hydraulic cylinder A, the bottom of the top supporting plate is fixedly connected with the top of the limiting rod, side supporting plates are arranged on the left side and the right side of the frame, the side vertical faces of the side supporting plates are fixedly connected with the limiting rod, and a motor is fixedly connected to the bottom of the top supporting plate. And the top of the concrete top plate can be extruded, the top face of the concrete top plate can be flattened and shaped, the concrete top plate can be conveniently flattened and shaped, and the problem that an existing formwork cannot conveniently conduct automatic and convenient flattening and shaping on the concrete top plate is solved.

The invention discloses a BIM + MR underground comprehensive pipe gallery emergency management method and system based on a network collaborative architecture. The method comprises the steps that a pipe gallery BIM model is split and compressed; mR gesture interaction is carried out; building a PUN (Physical Unclonable Network) network architecture; multi-terminal management synchronization and recording; space anchor point positioning; and on-site in-situ remote management is realized. According to the method, a gesture interaction comprehensive pipe gallery BIM semantic segmentation model is realized by using a mixed reality technology; and multi-terminal low-delay network collaborative management is realized through a distributed synchronization framework of the PUN. When an emergency situation occurs in the underground comprehensive pipe gallery, low-delay cooperative management of remote experts and field personnel is supported, a three-dimensional emergency command system with virtual-real linkage is formed, and cooperative processing efficiency and decision scientificity are improved for emergency management of the underground comprehensive pipe gallery.

The utility model discloses a utility tunnel inner pre -buried plate installation positioner, including the two vertical support of affixing in the concrete form outside, the sliding connection of vertical support between multiple horizontal supports, set up at least two locating pin holes on horizontal support, and multiple support bolt passes through locating pin hole and concrete form on horizontal support in proper order, and the pre -buried plate upper end portion limit of concrete form inside, and support bolt one end is welded with pre -buried plate, and the other end is connected with horizontal support. The device stands in the concrete form outside, and the pre -buried plate is placed in the concrete form inside, and after the pre -buried plate upper end portion limit of support bolt, realizes the firm fixing of pre -buried plate and first form and the device through welding etc. The device can realize the quick, accurate positioning of multiple pre -buried plates, is not easy to be disturbed displacement in the concrete pouring process, greatly improves the efficiency of utility tunnel electromechanical installation pre -buried plate installation work, and can be repeatedly used.

This invention discloses an intelligent asset allocation management method based on digital twins, relating to the field of allocation management technology. The method includes: defining vertical candidate areas based on the centerline of the integrated utility tunnel; defining vertical closed zones based on the vertical candidate areas and load-bearing structures above the integrated utility tunnel; generating a set of utility tunnel management sub-zones based on the starting and ending mileages of the vertical closed zones; calculating the total longitudinal substitution burden coefficient based on the set of utility tunnel management sub-zones; calculating spatial management weights based on the total longitudinal substitution burden coefficients; and calculating resource allocation based on the spatial management weights and the total resource volume of the integrated utility tunnel. This invention improves resource utilization efficiency.

The utility model discloses an urban planning underground comprehensive pipe gallery which comprises a pipe gallery body, and multiple layers of cable supporting assemblies are installed on installation base plates on the two sides in a combined mode. The beneficial effects of the utility model are that the supporting seat of the cable supporting assembly is in sliding fit with the U-shaped clamping seat, and the limiting rod is in longitudinal sliding fit with the limiting hole, so that the supporting seat can be detachably and transversely combined at the side position of the pipe gallery body; meanwhile, after the limiting rods are longitudinally separated from the limiting holes, the supporting seats can vertically slide downwards and be separated from the U-shaped clamping seats, so that the supporting seats can be detached from the side positions of the pipe gallery body, and the combination and detachment modes of the supporting seats on the side positions of the pipe gallery body are simple and easy to achieve; the supporting seat can be conveniently and rapidly combined on the side portion of the pipe gallery body to carry and support the cable, meanwhile, the fault position of the cable can be smoothly exposed after the supporting seat is conveniently and rapidly detached from the lower portion of the cable subsequently, and the cable can be conveniently overhauled and maintained.

The utility model relates to the technical field of access cover plates, and discloses an underground pipe gallery access cover plate structure, one side of a well lid is fixedly provided with a buckle between hinges, the buckle is internally provided with a cross rod, the top of a lock seat is provided with a lock groove, the lock groove is arc-shaped, the size of the lock groove is matched with the size of the buckle, and the lock seat is provided with a lock hole. The self-locking effect is achieved by arranging the buckle, the lock seat, the lock block and other structures, the well lid is opened, the buckle is driven to rotate together when the well lid is opened, the buckle rotates to be clamped into the lock groove, the lock block is jacked outwards when the shape of the cross rod makes contact with the inclined face of the top of the lock block, and after the well lid is completely opened, the buckle is driven to rotate by 90 degrees, so that the cross rod is completely clamped into the lock groove; the locking block returns to the original position due to the tension of the spring, the position of the buckle is limited, and the effect of a self-locking mechanism is achieved.

This invention relates to the field of prefabrication technology for utility tunnels, and proposes a prefabrication template for utility tunnels, including a base frame with several side fixed plates spaced apart on the base frame; a side movable plate is provided between every two adjacent side fixed plates, and the side movable plate is movably mounted on the base frame; a base plate is provided between adjacent side movable plates and side fixed plates, the base plate is fixed to the base frame, and the base plate is fixedly connected to the adjacent side fixed plates; the side movable plate is located between two base plates and moves between the two base plates; when the side movable plate abuts against one end of a base plate, the base plate, the side fixed plates on the left and right sides, and the side movable plates on the side fixed plates and the side movable plates on the side fixed plates form a "U"-shaped side enclosure component; a front support plate is used to detachably cover the front end of the side enclosure component; a rear support plate is used to detachably cover the rear end of the side enclosure component. Through the above technical solution, the problems of existing technologies requiring a large number of steel components, occupying a large area, and wasting space are solved.

The application provides a waterproof sealing assembly for a comprehensive pipe gallery outlet, comprising a wire passing pipe fixedly installed on a wall of the comprehensive pipe gallery, wherein the wire passing pipe penetrates the wall of the comprehensive pipe gallery, one end of the wire passing pipe is welded with a sealing block, a first rectangular cavity is formed in the sealing block, a wire passing hole penetrates between two sides of the sealing block, the wire passing hole penetrates the first rectangular cavity and communicates with the wire passing pipe, two sealing clamping plates are slidably installed in the first rectangular cavity, and a semicircular wire clamping groove is arranged on one side of each of the two sealing clamping plates which are close to each other. The simple clamping mechanism can effectively avoid using more bolts, the operation of assembling and disassembling is simple, the dryness inside the sealing assembly can be effectively ensured, the rust of the components can be effectively prevented, water leakage can be avoided, and great convenience is brought to the subsequent maintenance work.

The utility model relates to the technical field of fireproof separators, in particular to a comprehensive pipe gallery fireproof separator which comprises a door frame, an adjusting assembly is fixedly arranged on one side of the door frame, a fireproof door body is hinged to one side of the adjusting assembly, the adjusting assembly comprises two installation bases, and positioning sleeves are fixedly connected to the front end faces of the installation bases. A rotating shaft is rotatably connected between the two positioning sleeves and comprises a mounting shaft, an upper adjusting shaft is fixedly connected to the top end of the mounting shaft, a lower adjusting shaft is fixedly connected to the bottom end of the mounting shaft, a connecting seat is fixedly connected to the middle of the mounting shaft, an obstacle crossing assembly is fixedly connected to the bottom of the mounting shaft, and a supporting column is arranged below the obstacle crossing assembly; according to the fireproof door, the problem that the fireproof door body cannot be normally opened due to the fact that the fireproof door body is clamped by falling small objects or other obstacles is effectively avoided, and potential safety hazards are reduced.

This invention discloses an LSTM-driven dynamic prediction method and system for the operational resilience of integrated utility tunnels, relating to the field of deep learning. The method includes: acquiring vibration acceleration time histories, extracting peak acceleration and vibration energy accumulation time history curves, and generating a dynamic angle sequence; correcting the baseline vulnerability curve to obtain a dynamic damage probability curve, substituting the peak acceleration and vibration energy accumulation values ​​of the cross-section into the curve, and outputting a time-varying damage index sequence; identifying critical cross-sections with abrupt changes in the damage index, calculating the average damage index using the critical cross-section as a dividing point, and determining functional bottleneck sections; obtaining the average damage index and the redundancy of subsequent alternative paths, calculating the overall functional degradation rate of the utility tunnel, and obtaining the functional recovery multiple; calculating the initial recovery time, inputting it into a pre-trained dynamic time-series prediction model, and outputting the corrected final recovery time. This invention solves the problem of low prediction accuracy and high misjudgment rate in the prediction of the operational resilience of integrated utility tunnels due to the reliance on static experience for rough estimation in existing technologies.

The application discloses a construction method of a non-reverse excavation type outlet pipeline of a cast-in-place pipe gallery, in the process of the construction of the comprehensive pipe gallery, the construction of the transverse connecting channel is simultaneously performed, and the prefabricated well section is installed in the connecting channel to form the outlet well, and the comprehensive pipe gallery, the connecting channel and the outlet well form the through outlet channel, so that compared with the prior art, the main structure of the pipe gallery is not damaged, the service life of the main body of the pipe gallery can be prolonged, meanwhile, the waterproof structure is arranged at each connecting position of the outlet well, the risk of leakage can be further reduced, and the construction period and the construction cost can be greatly reduced compared with the prior art.

This invention provides a ventilation and defogging system for integrated utility tunnel ventilation, relating to the field of ventilation control technology. The system further includes: a circulation pipe assembly fixedly connected to the main body of the utility tunnel and the ventilation shaft; and a mechanical ventilation component, the bottom of which is installed on top of a firewall, and the top of which is inserted into the ventilation shaft. Air within the main body of the utility tunnel is dehumidified and purified by the circulation pipe assembly, and then returned to the interior of the main body of the utility tunnel via the mechanical ventilation component. This isolates the external environment while achieving internal air circulation, dehumidification, and purification within the main body of the utility tunnel, thus optimizing the air quality inside the utility tunnel.

This invention relates to the field of integrated utility tunnel construction technology, specifically to a data-driven digital twin construction control method and system for integrated utility tunnels. The method acquires a theoretical pose matrix, real-time pose perception vector, environmental disturbance coefficient matrix, joint quality experience matrix, structural safety margin index, and surface defect feature vector. Combining the theoretical pose matrix, real-time pose perception vector, and surface defect feature vector, a Bayesian network is used to perform pose deviation-defect coupling calculation. The structural safety margin index is used as a scaling factor to correct the calculation results, obtaining a dynamic compensation matrix. Fuzzy comprehensive evaluation is performed using the environmental disturbance coefficient matrix and joint quality experience matrix to establish an environmental-quality dual-factor risk membership function, obtaining a construction risk weight vector. The corrected compensation matrix and construction risk weight vector are then used to generate control instructions through an adaptive MPC algorithm based on rolling time-domain optimization. This invention improves the quality and efficiency of utility tunnel construction.

The utility model discloses a ventilation device for an underground comprehensive pipe gallery. The ventilation device comprises a pipe gallery body, a protective cover shell, an exhaust mechanism and an air inlet mechanism. The protective cover shell is fixed to the top of the pipe gallery body, and ventilation openings are formed in the two ends of the protective cover shell correspondingly. The air exhaust mechanism comprises an air exhaust main pipeline arranged in the protective cover shell, the two sides of the air exhaust main pipeline are connected with air exhaust branch pipelines correspondingly, the two air exhaust branch pipelines communicate with the two ventilation openings correspondingly, and the pipe gallery body is provided with an air exhaust opening communicating with the air exhaust main pipeline; the air inlet mechanism comprises two air inlet pipelines arranged in the protective cover shell, the two air inlet pipelines are located on the two sides of the main exhaust pipeline correspondingly and communicate with the two ventilation openings correspondingly, and the pipe gallery body is provided with air inlets communicating with the air inlet pipelines. According to the ventilation device for the underground comprehensive pipe gallery, the air inlet mechanism and the air exhaust mechanism are arranged, so that external air is exchanged with air in the pipe gallery body, and the quality of the air in the pipe gallery body is improved.

This application discloses an integrated utility tunnel suitable for island and reef environments, comprising an inner tunnel, an outer tunnel, a microplastic composite (MICP) impermeable body, an adaptive composite damping device, a sensing device, a control device, and a power supply device. The outer tunnel and the inner tunnel are coaxially arranged to form a vacuum cavity. An array of adaptive composite damping devices is disposed within the vacuum cavity and connected between the inner and outer tunnels for structural adjustment when the tunnel deforms. The MIP impermeable body surrounds the outer tunnel, reinforcing the surrounding foundation for seepage prevention. The sensing device detects structural deformation of the tunnel, and the control device controls the adaptive composite damping device to generate reset deformation based on the structural deformation. A thermoelectric power generation assembly provides power to various electrical devices. The integrated utility tunnel of this application can simultaneously achieve adaptive structural adjustment, foundation seepage prevention reinforcement, and energy self-sufficiency, significantly improving the structural stability, seepage prevention performance, and long-term operational reliability of the integrated utility tunnel in complex marine environments.

This utility model provides a busbar trunking based on integrated utility tunnel power distribution technology, belonging to the field of busbar trunking technology. It includes a support mechanism comprising a housing, several connectors fixedly installed on the surface of the housing, and support members fixedly installed inside the housing for limiting the arrangement of conductors; and a heat dissipation mechanism including heat dissipation components for dissipating heat from the inside of the housing and heat conduction components for dissipating heat generated by the conductors. The heat dissipation components include a heat conduction plate fixedly installed on the surface of the housing, several heat dissipation slots fixedly installed on the surface of the heat conduction plates, heat dissipation fins movably installed inside the heat dissipation slots, and several transmission blocks for driving the heat dissipation fins to rise and fall synchronously. This utility model, through the cooperation between the heat dissipation components and the heat conduction components, adjusts the heat dissipation efficiency of the conductors inside the housing, solving the problem that traditional busbar trunking cannot dissipate heat from conductors according to the actual temperature, thus achieving adjustable heat dissipation efficiency based on ambient temperature.

This invention relates to the field of pipe jacking construction technology, specifically to an advanced geological prediction method used in pipe jacking construction under complex strata. The method involves geological surveying of the pipe jacking tunnel area, conducting preliminary surveys of the soil, and determining whether there are significant differences in soil hardness based on soil physical parameters. If such differences exist, the structural topography and adverse geological features within the pipe jacking tunnel area need to be predicted. Monitoring point deployment involves installing geophones on the sidewalls of the pipes in the pipe jacking tunnel. In this invention, geophones are deployed in a spatial array on the sidewalls of the pipe jacking tunnel, allowing for flexible data acquisition and adjustment of geophone positions based on site conditions. A total of [number missing] monitoring points were deployed. The advantages are: the HSP advanced geological prediction technology proposed in this invention for geological surveying of pipe jacking tunnels is fast, essentially not taking up construction time; data analysis after signal processing is rapid, and preliminary conclusions can be drawn immediately after measurement.

The invention relates to the technical field of displacement measurement, and provides an F-P displacement sensor and a method for detecting displacement of an underground pipe gallery and a seam, and the F-P displacement sensor comprises two sections of single-mode optical fibers, a capillary tube, a sealing layer, a packaging film and an adhesive tape. The two sections of single-mode optical fibers are coaxially arranged, and the axes of the single-mode optical fibers coincide with the axis of the F-P displacement sensor; the axis of the capillary tube coincides with the axis of the F-P displacement sensor, the capillary tube surrounds the two sections of single-mode optical fibers in the circumferential direction of the F-P displacement sensor, and the two sections of single-mode optical fibers are longer than the capillary tube and extend outwards from the two ends of the capillary tube; the inner wall of the capillary tube is spaced from the outer wall of the single-mode fiber by a certain distance; the sealing layers are arranged at two ends of the capillary; the packaging film surrounds the capillary tube in the circumferential direction of the F-P displacement sensor. The packaging film is surrounded by the adhesive tape; and the single-mode optical fiber extends outwards from the two ends of the adhesive tape. According to the scheme, the micrometric displacement monitoring sensitivity and precision are improved, the long-term durability of the pipe gallery in a severe environment is improved, the production cost is reduced, and the yield is improved.

This utility model discloses a fiber-reinforced composite concrete protective and airtight cover for underground utility tunnels, relating to the technical field of underground utility tunnel cover plates. It includes a cover plate support with a groove on its upper surface. A concrete cover plate body is placed inside the groove. The concrete cover plate body includes a protective frame, multiple transverse support ribs, multiple longitudinal support ribs, a heat insulation layer, a composite concrete layer, and an electromagnetic shielding layer. Each transverse support rib is horizontally fixedly connected to the inside of the protective frame, and each longitudinal support rib is vertically fixedly connected to the inside of the protective frame. This utility model uses high-strength steel for the protective frame, combined with a crisscrossing steel reinforcement skeleton (transverse and longitudinal support ribs), and then welds it to form a rigid frame. This effectively disperses the load generated by vehicle traffic or pedestrian trampling, preventing stress concentration that could lead to concrete cracking.

The utility model discloses a carrying platform applied to construction of a branch warehouse structure of an urban comprehensive pipe gallery. The carrying platform comprises a base frame, a connecting unit is arranged above the base frame, the connecting unit can be connected with a bearing assembly, a moving assembly is arranged below the base frame, a guiding assembly is arranged on the moving assembly, and the guiding assembly can limit the moving path of the moving assembly. Anti-collision guardrails are arranged below the front side and the rear side of the base frame, safety elastic strips are connected to the anti-collision guardrails, touch switches are arranged on the inner sides of the anti-collision guardrails, and when the safety elastic strips touch the touch switches, the moving assembly stops moving immediately. The connecting unit is arranged above the base frame, different bearing assemblies can be connected to transport different prefabricated parts, and the effect that one machine has multiple purposes is achieved; the arrangement of four wheels is controlled through a rotating shaft disc and four groups of moving motors, so that the flexibility is high; and through the arrangement of a safety elastic strip and a pedestrian detection sensor, the running safety is effectively improved.

The invention relates to the technical field of quantitative evaluation, in particular to a graded quantitative evaluation method and system for underground pipe gallery pipe network risks. The method comprises the following steps: planning an open network based on pipeline topology and front-end sensing topology; deploying a first compression node by using a low-rank matrix, deploying a second decoupling node by using an explicit feature-implicit feature, and determining preprocessors and deploying the preprocessors at opening positions; according to the open network, executing dynamic sampling and open return, triggering a pre-processor to execute low-rank compression and feature decoupling processing of distributed data, synthesizing a feature coding sequence and returning the feature coding sequence to a rear-end processor, activating a risk antibody module to execute targeted alignment of a feature coding sequence-defense coding structure, and determining risk quantitative data; the technical problem that in the prior art, underground pipe gallery pipe network risk assessment lacks a refined grade division and quantitative assessment mechanism is solved, and the technical effects of underground pipe gallery pipe network risk type identification and magnitude quantitative output are achieved.

The utility model discloses a high-strength comprehensive pipe gallery mould, which comprises a bottom plate and an inner mould arranged at the top of the bottom plate, the top of the inner mould is fixedly connected with a top plate, the top of the top plate is slidably connected with a plurality of sliding rods, the tops of the plurality of sliding rods are fixedly connected with first stop dogs, and the bottoms of the first stop dogs are fixedly connected with tension springs. And the tension springs are fixed to the top plate, first grooves are formed in the bottoms of the sliding rods, a plurality of protruding blocks are fixedly connected to the top of the bottom plate, and second grooves are formed in the protruding blocks. One end of a steel bar can be inserted into the second groove in the protruding block, so that the steel bar is added into the comprehensive pipe gallery during pouring, the strength of the comprehensive pipe gallery is greatly improved, and the two first side plates and the two second side plates can be rotated, so that the strength of the comprehensive pipe gallery is improved. Therefore, the two first side plates and the two second side plates can be quickly fixed.

The utility model discloses a municipal road utility tunnel which comprises a linear pipe tunnel and a corner pipe tunnel, transmission rails are fixedly installed on the two sides of the inner wall of the linear pipe tunnel and the two sides of the inner wall of the corner pipe tunnel, transmission grooves are formed in the two sides of the surfaces of the transmission rails, supporting plates are arranged on the surfaces of the transmission grooves, and storage batteries are fixedly installed on the surfaces of the supporting plates. A protection box is fixedly installed on the top of the storage battery, a transmission monitoring mechanism is arranged in the protection box, and a transmission mechanism is arranged on the bottom face of the supporting plate. The beneficial effects of the utility model are that the transmission mechanism drives the support plate to continuously move on the transmission tracks on the inner walls of the linear pipe gallery and the corner pipe gallery, and each sensor in the transmission monitoring mechanism can dynamically monitor the environment in the linear pipe gallery and the corner pipe gallery while moving, thereby effectively improving the monitoring efficiency of the environment in the pipe gallery, and improving the monitoring precision of the environment in the pipe gallery. A large number of sensors do not need to be installed at all nodes in the pipe gallery, and the construction and maintenance cost of the pipe gallery is reduced.

This invention provides a laser SLAM inspection vehicle and method suitable for complex underground infrastructure environments. A multi-line lidar system is equipped with multiple laser emission and reception channels to generate high-density, large-area 3D point cloud data. A high-precision inertial measurement unit (IMU) provides the system with high-frequency attitude, angular velocity, and acceleration information. A wheeled odometer collects wheel speed data to provide short-term pose increment information, effectively supplementing the lidar and IMU. An edge computing device performs real-time data processing using SLAM algorithms. An embedded motion control unit runs an operating system to precisely control the chassis motors and transmit data with various subsystems. The software framework is built on the operating system and includes distributed nodes, a publish / subscribe communication model, and an open-source toolkit ecosystem. This achieves lightweight 3D perception capabilities, strong anti-interference performance, and supports fully automatic online repositioning, making it suitable for use in underground infrastructure such as subway tunnels, urban utility tunnels, and large warehousing centers.

This invention relates to the field of waterproofing testing technology for underground utility tunnels, specifically to a waterproofing testing device and method for underground integrated utility tunnels. One end of the outer pipe is open, simulating the end of the pipe segment with a socket at the tunnel joint. One end of the inner pipe is also open, and this open end is inserted into the open end of the outer pipe, simulating the socket connection structure at the tunnel joint. A sealing ring is provided on the outer wall of the open end of the inner pipe, simulating the sealing element of the pipe segment at the tunnel joint. The outer and inner pipes are placed in a test chamber, which is connected to a water source. The groundwater conditions in the area where the utility tunnel is located are simulated by controlling the water pressure and flow rate. The waterproofing performance of the sealing ring is measured through testing, thus determining the waterproofing capability of the sealing rubber ring at the socket joint of the utility tunnel that most closely approximates the actual working conditions. This has significant practical value for the waterproofing design and actual engineering of rectangular jacking pipes.