304results about "Cable installations in tunnels" patented technology

The invention belongs to the technical field of cable installation, and particularly relates to a cable suspension damping rack in a tunnel, the cable suspension damping rack comprises a suspension assembly and a clamping assembly, the suspension assembly comprises a flange device and a suspension device, and the clamping assembly comprises an adjusting device and a clamping device; the flange device comprises a flange plate and a fixed anchor rod arranged on the flange plate; the suspension device comprises a T-shaped mounting rod and a connecting rod; an adjusting groove is formed in the upper portion of the T-shaped mounting rod in a penetrating mode, the connecting rod is inserted into the adjusting groove, mounting pieces are symmetrically arranged at the two ends of the connecting rod, mounting piece bodies are L-shaped, and nuts are mounted at the bottoms of the mounting pieces; an extrusion spring column is arranged above the adjusting groove, and the bottom end of the extrusion spring column is mounted on the connecting rod; according to the scheme, the cable suspension damping rack in the tunnel is efficient in damping, convenient to install, stable and durable; vibration energy, including longitudinal displacement, transverse shaking and high-frequency resonance, in the tunnel can be effectively absorbed through a multi-stage composite damping structure of the extrusion spring columns, the corrugated pads and the filling rubber.

The invention discloses a cable support for a tunnel cable trench, and relates to the technical field of cable supports, the cable support comprises a stand column, the inner surface of the stand column is fixedly connected with a support supporting arm, the outer surface of the support supporting arm is fixedly connected with a moving mechanism, and the side, away from the support supporting arm, of the moving mechanism is fixedly connected with a discharging mechanism; the upper surface of the moving mechanism is fixedly connected with an anti-skid mechanism; according to the device, when a cable needs to be laid, the cable is placed on the upper surfaces of the sponge wheels, the plurality of sponge wheels are used for transporting the cable, and the sponge wheels are made of soft materials, so that the surface of the cable cannot be damaged in the cable moving process, and abrasion caused by dragging can be reduced; and meanwhile, the cable can be moved to a proper position on the upper surface of the bracket supporting arm through cooperation of the moving mechanism and the discharging mechanism, that is, manual cable placement is replaced, and the problem that placement of other cables is affected due to the fact that the position of the cable on the upper surface of the bracket supporting arm is inaccurate under the initial condition is prevented.

The utility model provides a comprehensive anti-seismic support hanger for subway traffic, which belongs to the field of support hangers and comprises a connecting plate, the lower end face of the connecting plate is fixedly connected with a fixing frame, a buffer component is mounted on the connecting plate, the buffer component is fixedly connected with a group of connecting rods, and the group of connecting rods penetrate through the fixing frame in a sliding manner. A fixed plate is fixedly connected between the connecting rods in one group; a threading assembly; the threading assembly comprises a set of threading openings formed in the fixing plate, and sliding grooves are formed in the inner walls of the set of threading openings. According to the utility model, the clamping plate is matched with the inner wall of the threading port, so that the cable is fixed, the protection effect on the cable is improved, the cable is prevented from moving when the fixing plate vibrates up and down, the wear of the protection layer is prevented from being aggravated, the service life of the cable is prolonged, the protection effect is better, and the spring is matched with the damper, so that the device has a damping function; the stability of the device is improved; and the service life of the device is prolonged.

The invention relates to a cable protection pipe channel and a construction method thereof. The cable protection pipe channel is used for providing an arrangement space for the cable protection pipe combination body in the length direction of a cable and comprises two gravity type cement-soil walls, a foundation trench, a cushion layer, a backfill layer formed by a premixed flow state solidified soil fertilizer groove and a ground surface recovery layer. The two gravity type cement-soil walls are oppositely arranged and extend in the length direction of the cable, the foundation trench is formed between the two gravity type cement-soil walls and extends in the length direction of the cable, the cushion layer is laid at the bottom of the foundation trench, the cable protection pipe combination body is arranged on the cushion layer, and the backfill layer is filled in the foundation trench and completely covers the cushion layer and the cable protection pipe combination body. And the ground surface recovery layer is filled in the foundation trench and completely covers the backfill layer. The construction space can be reduced, waste of materials and resources is reduced, the construction difficulty is lowered, and potential quality hazards and potential safety hazards are reduced.

The invention relates to a segment reinforcing device for a shield tunnel and a construction method thereof, a steel ring is matched with a to-be-reinforced shield tunnel segment, one side of the steel ring is open, two steel corbels are located on the two opposite sides of the open end of the steel ring respectively, the outer circumferential wall of the steel ring is attached to the inner circumferential wall of the to-be-reinforced shield tunnel segment, and the outer circumferential wall of the steel ring is attached to the inner circumferential wall of the to-be-reinforced shield tunnel segment. The steel ring is fixedly connected with a to-be-reinforced shield tunnel segment through a chemical anchor bolt, and the outer walls of the two steel corbels are used for being connected with the two opposite side walls of a ballast bed in the to-be-reinforced shield tunnel segment in an attached mode correspondingly; the construction process comprises the steps of obtaining the curvature radius of the arc-shaped steel plate, manufacturing the steel ring, changing the row of the pipeline, installing the segment reinforcing device and recovering the pipeline. Compared with a traditional shield tunnel segment reinforcing mode, the strength of the shield tunnel segment is improved, meanwhile, the posture of the shield tunnel segment can be kept consistent with the posture of an existing shield tunnel segment, the normal use function of a shield tunnel is not affected, the space of the shield tunnel is not occupied, and the risk of deformation of the shield tunnel segment is reduced.

A walking trolley for a working face of a thin coal seam relates to the technical field of mining underground walking equipment and comprises a cable trough and a walking device. One side of the cable trough is fixedly connected with the middle trough, an upper bent plate and a transverse plate are fixedly arranged on the other side of the cable trough, the transverse plate is arranged below the upper bent plate, a distance exists between the transverse plate and the upper bent plate, and a vehicle rail is fixedly arranged on the transverse plate; the walking device comprises at least two wheels matched with the vehicle rail, the two wheels are arranged between the upper bent plate and the transverse plate and are vertically and rotatably installed on the bearing mechanism, the bearing mechanism is arranged on the outer side of the cable trough, and the bearing face of the bearing mechanism is not higher than the top face of the cable trough. The conveying device can walk on the outer side of the middle groove to convey materials or workers, so that the conveying difficulty is reduced, the walking convenience of the workers is improved, and the production efficiency is improved; the upper-layer space of the middle groove is not occupied, and the space utilization rate is increased.

The utility model discloses a power tunnel cable rack, which relates to the field of cable racks, including a slide plate, the inner thread of the slide plate is connected with a bracket assembly, the bottom of the bracket assembly is fixedly connected with a reinforcement assembly, the upper surface of the bracket assembly is fixedly connected with a support assembly, the bottom of the slide plate is fixedly connected with a support block, both sides of the slide plate are fixedly connected with a fixing assembly, the reinforcement assembly includes a connecting plate, the upper surface of the connecting plate is fixedly connected to the bottom of the bracket assembly, the bottom of the connecting plate is fixedly connected with an A spring, the bottom of the A spring is fixedly connected with an A support plate, and one side of the bottom of the A support plate is fixedly connected with a support rod. The utility model uses the reinforcement assembly to support the cable when the cable is supported because the weight of the cable is too heavy. The structure of the reinforcement assembly includes a triangular support and a spring support, which can increase the bearing capacity and strengthen the fixation.

The utility model relates to the technical field of cable supports, and discloses a cable support convenient for metro construction, which comprises a fixed frame, an object placing plate is attached to the outer wall of the fixed frame, a fixed sleeve is fixedly connected to the inside of a positioning block, a sliding block is slidably connected to the inner wall of the fixed sleeve, a sliding sleeve is fixedly connected to the upper surface of the sliding block, and the sliding sleeve is fixedly connected to the lower surface of the sliding block. The sliding sleeve is slidably connected to the interior of the positioning block, a limiting block is fixedly connected to the outer wall of the sliding block, a U-shaped sliding groove is formed in the fixing sleeve, the outer wall of the limiting block is slidably connected to the interior of the U-shaped sliding groove, and a sliding rod is fixedly connected to the lower surface of the sliding block. According to the utility model, the problems that the fixed design cannot meet variable requirements and the adaptability of the bracket is limited due to the fact that the storage plates are difficult to adjust are solved, and the purposes of flexibly adjusting the number, position and height of the storage plates and increasing the adaptability of equipment according to different construction requirements and field conditions are achieved.

The invention belongs to the technical field of cable laying, and particularly relates to a subway tunnel section cable laying device which comprises a transportation plate, a pay-off mechanism comprises lifting devices arranged on the two sides of the transportation plate, the lifting devices are used for lifting cables, and a pushing device comprises a plurality of transmission assemblies. The transmission assembly pushes the cable to the cable installation support through rotation of the transmission plate. A lifting device is started to enable a lifting block to drive a plurality of cables to move so as to lift the plurality of cables to a mounting bracket, the plurality of cables are placed between two transfer plates on a transfer assembly, and a fourth motor is started one by one to transfer the cables on the transfer plates to a mounting frame one by one through an inclined block for subsequent mounting and fixing; according to the cable mounting rack, workers do not need to lift the cables one by one and place the cables in the mounting rack, and a plurality of cables can be lifted to the mounting height together for mounting, so that the cable laying workload of the workers is reduced, and the cable laying efficiency is greatly improved.

According to the underground cable tunnel inspection robot based on dynamic PT symmetric tuning and the wireless charging system, a honeycomb-shaped aluminum alloy antimagnetic waterproof shell and an integrated omnidirectional four-wheel drive system are adopted for a movable chassis, and double permanent magnet synchronous motors and a stainless steel waterproof structure are arranged, so that high maneuverability in a humid multi-obstacle environment is ensured. And the inspection module integrates multispectral imaging, non-contact infrared temperature measurement and UWB positioning beacons to realize cable surface defect detection and environmental parameter analysis. The dynamic energy cabin cooperates with the PT symmetric wireless charging tuning unit through a three-degree-of-freedom adaptive compensation mechanism, and supports all-weather contactless energy supply in combination with a double-circuit power supply management module. The electromagnetic waterproof shell adopts a three-layer composite shielding structure and a waterproof ventilation valve, so that high-frequency magnetic field interference and moisture erosion are effectively resisted. And the control communication module realizes precise operation through multi-modal data fusion and master control decision. The self-cleaning device is provided with a 360-degree rotating spray head and a miniature high-pressure air pump, and pollutants on the surfaces of a lens, an infrared window and a coil can be rapidly removed. Dynamic PT tuning, electromagnetic barrier and intelligent compensation technologies are integrated through modular design, the inspection precision and safety in high-humidity, strong-magnetic interference and complex terrain environments are remarkably improved, the system has the characteristics of self-cleaning maintenance, efficient wireless charging and low manual intervention, and an all-weather autonomous intelligent operation and maintenance solution is provided for an underground cable tunnel.

The utility model discloses a high-strength aluminum alloy channel support, which belongs to the technical field of cable mounting and supporting, and is characterized in that the high-strength aluminum alloy channel support comprises a stand column and a supporting arm, and two parallel first channel structures are arranged on one side, close to the supporting arm, of the stand column; the stand column is in an embedded mode, so that the defects that in the prior art, stand columns are welded after a building is made or fixed in a mode of punching expansion bolts are overcome, and the problems that in an existing stand column installation mode, the workload is large, the building needs to be damaged sometimes, reinforcing steel bars of the building are touched when expansion bolt holes are drilled, and installation is difficult are solved. And potential safety hazards exist when electric welding is used in a limited space. Due to the adoption of the pre-embedded type, the stand column can be welded with the reinforcing steel bars through the T-shaped steel nails, so that the stand column and a building are integrated, the strength is higher, the anti-corrosion protection is added, the stand column is pre-embedded in the building, the protection performance is fully protected, and the adjustability of the interlayer distance of the corbel is very high due to the adoption of the channel structure.

The utility model discloses a pre-embedded tunnel cable mounting bracket, which belongs to the technical field of cable mounting brackets, and comprises a main plate, the surface of the main plate is concave, a connecting plate is clamped and connected in the main plate, and the tail end of the connecting plate is fixedly connected with a bracket body; the clamping blocks are arranged in the connecting plate in a sliding mode, and the clamping blocks are symmetrically distributed about the center of the connecting plate; and the traction chain is arranged in the connecting plate in a sliding mode, and one side of the traction chain is fixedly connected with the surface of the clamping block. According to the embedded tunnel cable mounting bracket, when the bracket body is in butt joint, the connecting plate is inserted into the main plate, the clamping block is extruded by the inner wall of the main plate at the moment, then the clamping block moves in the direction of extruding the reset spring, when the clamping block and the clamping groove are located in the same horizontal direction, the clamping block enters the clamping groove under the action of the reset spring, and the clamping block is clamped in the clamping groove. Therefore, the operation process is quick and convenient.

The utility model discloses a cable support embedded part which comprises an adjusting seat, a locking mechanism and an adjusting mechanism. Symmetrically distributed adjusting plates are slidably connected to the lower end of the adjusting seat, supports are fixedly connected to the ends, close to the center of the adjusting seat, of the adjusting plates, sliding grooves are formed in the adjusting seat, the middles of the supports are slidably connected into the sliding grooves, and supports are fixedly connected to the ends, away from the center of the adjusting seat, of the adjusting plates; the locking mechanisms are arranged between the support and the sliding groove; the adjusting mechanisms are arranged on the opposite inner surfaces of the support respectively, the opposite inner surfaces of the adjusting mechanisms are fixedly connected with the cable racks which are evenly distributed, and the cable support embedded part can achieve transverse and vertical distance adjustment of the cable racks, so that the installation convenience degree of the cable support embedded part is greatly improved; the application range of the cable support embedded part is effectively expanded, and the supporting efficiency of the cable support embedded part is effectively improved.

The utility model relates to the technical field of cable supports, and provides a combined cable support structure which comprises a mounting rack and a fixing seat, the fixing seat is arranged outside the mounting rack, a connecting assembly is arranged inside the mounting rack and the fixing seat, a cable fixing assembly is arranged outside the fixing seat, and connecting grooves are formed in the surfaces of the two sides of the mounting rack respectively. The two ends of the side surface of the fixing base are each provided with a pair of sleeve plates, and the mounting frame is sleeved with the fixing base through the sleeve plates. According to the technical scheme, the problems that according to the cable support in the prior art, the connecting plate is fixed to the connecting support by inserting the connecting plate into the connecting support and fixing the connecting plate through bolts, and before the bolts are installed, a worker needs to rotate the bolts with one hand and hold and fix the connecting plate with the other hand, so that displacement of the connecting plate can be avoided; the alignment of the side connecting holes and the side slotted holes is influenced, so that the bolts are difficult to install, and the cable laying efficiency is influenced.

The invention relates to the technical field of cable racking auxiliary devices, and discloses a cable racking auxiliary device and method, which comprises a mute generator, and is characterized in that an air inlet is formed in the outer wall of the mute generator, an air outlet is formed in one side, close to the air inlet, of the outer wall of the mute generator, a bottom frame is arranged on the outer wall of the mute generator, and the bottom frame is arranged on the outer wall of the mute generator. The cable racking auxiliary equipment comprises a bottom frame, a speed reducer is arranged at the top of the bottom frame, a plurality of variable frequency motors are arranged at the top of the bottom frame, the variable frequency motors are symmetrically distributed at the top of the bottom frame, and a plurality of driving friction wheels are arranged on the outer walls of the variable frequency motors. According to the method, on the basis that manpower and labor force are reduced, the problem that the cable is loaded on a rack in a high space is solved, and through stress analysis of a cable lifting system, lightweight improvement is conducted on the structure, and dragging and installation are facilitated.

The utility model provides a prefabricated pipe gallery. The prefabricated pipe gallery comprises a cuboid-shaped body, buttresses, a plurality of supports, a plurality of subsidiary facilities and a plurality of protection mechanisms. An operation channel which extends in the length direction of the body and has a quadrangular section is formed in the body, and the supports are arranged on the side wall of the first side of the operation channel at intervals in the height direction of the operation channel. The buttress is arranged on the bottom wall of the operation channel; the subsidiary facilities are arranged on the inner wall of the operation channel, and the protection mechanisms are arranged at the subsidiary facilities in a one-to-one correspondence mode so as to protect the subsidiary facilities. According to the utility model, the prefabricated pipe gallery is hoisted to a site and is installed, the installation of the prefabricated pipe gallery as well as internal brackets and ancillary facilities thereof can be completed after the installation is completed, and pipeline brackets and equipment do not need to be independently installed after the installation of the prefabricated pipe gallery is completed in the prior art, so that the installation process is saved, the time and labor are saved, and the construction efficiency is improved; and each protection mechanism protects each subsidiary facility, so that each subsidiary facility is prevented from being damaged.

The utility model belongs to the field of cable supports, and particularly relates to a cable support embedded part which comprises an installation plate, penetrating holes are evenly formed in the surface of the installation plate, supporting rods are connected to the inner walls of the penetrating holes in a sliding mode, lantern rings are installed on the surfaces of the supporting rods in a sliding mode, and installation frames are fixedly connected to the inner sides of the lantern rings. Through the structural design that a plurality of sliding plates are installed on the inner side of a groove plate in a sliding mode, a bottom plate is clamped on the surface of one sliding plate and moves to a proper position, and second nuts are screwed to fix the positions of the sliding plates, the function of conveniently adjusting the position of a cross rod is achieved, and the adaptability of the device is improved; and secondly, the other sliding plate is clamped with a connecting piece through a threaded column, a bolt and the connecting piece enable the structural design of the bottom end of the connecting rod, the function that the other sliding plate supports the bottom face of the transverse rod is achieved, and the stability of the device in the working process is improved.

The present application discloses a cable hanger, which includes: an upper fixing seat and a lower fixing seat, wherein the ends of the upper fixing seat and the lower fixing seat close to each other are both provided with an arc groove for clamping the cable, and both ends of the upper fixing seat and the lower fixing seat are provided with a limit assembly, and the limit assembly includes a connecting sleeve, a main screw and a locking screw, wherein the connecting sleeve is provided between the upper fixing seat and the lower fixing seat, and the outer wall of the connecting sleeve is provided with an annular baffle, and the end of the connecting sleeve located below the annular baffle is threadedly installed inside the lower fixing seat, and the end located above the annular baffle is plugged into the inside of the upper fixing seat. The cable hanger proposed in the present application adopts a multiple thread engagement structure to lock the two fixing seats, and forms a composite tensile system through the axial tension of the main screw and the locking screw and the friction resistance of the multiple threads, thereby increasing the tensile strength of the two fixing seats, preventing the cables from being pulled off by the piston wind, and improving the stability of the cable installation.

The utility model discloses a reinforced cable hanger structure, which belongs to the field of cable hangers and comprises a mounting substrate and a cable hanging ring connected onto the mounting substrate through a reinforcing structure, and the cable hanging ring and the mounting substrate can form an integral stress structure by the aid of integral forming of a middle ring bottom of the cable hanging ring, the reinforcing structure and the mounting substrate. Therefore, reliable support is provided for the laid cable. The reinforced cable hanger structure provided by the utility model is simple in structure and convenient to use, can effectively improve the structural stability of arrangement and use of the cable hangers, ensures the reliability of laying cables through the cable hangers, reduces the arrangement number of the cable hangers, reduces the use cost of the cable hangers, and improves the service life of the cable hangers. Safety and reliability of cable laying are fully ensured, and a good practical value is possessed.

A high voltage cable cleat that facilitates cable installation and secures cable configurations. The high voltage cable cleat includes a bottom cleat and a top cleat. The bottom cleat has an outer surface, a first end, a second end, and an inner surface. The inner surface has a cable support area with a plurality of pockets. Each pocket houses a ball transfer with a ball extending above the cable support area of the inner surface to guide cables positioned on the bottom cleat. The top cleat has an outer surface, a first end, a second end, and an inner surface. The top cleat is installed over the bottom cleat and secured to the bottom cleat by fasteners.

The utility model discloses a cable hanging device based on a monorail crane track, and relates to the technical field of mine equipment, the monorail crane track is provided with a hanging lug plate, the cable hanging device comprises a U-shaped connecting plate, two side wall plates of the U-shaped connecting plate are provided with plug pin holes, the hanging lug plate is provided with fixing holes, and the U-shaped connecting plate is provided with plug pin holes. The U-shaped connecting plate and the hoisting lug plate are detachably connected through a pin shaft penetrating through the bolt hole and the fixing hole, so that the U-shaped connecting plate is fixedly arranged above the monorail crane track; the supporting frames are obliquely and symmetrically arranged on the outer sides of the two side wall plates of the U-shaped connecting plate, a plurality of cable limiting grooves are symmetrically formed in the two supporting frames, and reinforcing ribs are arranged between the supporting frames and the U-shaped connecting plate. According to the cable hanging device based on the monorail crane track, the technical problems that a traditional installation mode is tedious and consumes time, and the labor intensity of workers is increased are solved, and the technical effects that rapid installation and disassembly are achieved, the working efficiency is improved, and the labor intensity of the workers is reduced are achieved.

The utility model discloses an overhead line suspension support and a fixing device. The overhead line suspension support comprises an anchor rod, a vertically arranged first fixing device, a vertically arranged adjusting device, a first insulating device, a second insulating device, a third insulating device and a suspension wire clamp. The upper end of the anchor rod extends into the roadway roof and is fixed, and the lower end of the anchor rod is connected with the upper end of the first fixing device; the adjusting device is installed on the first fixing device, the suspension wire clamp is arranged at the lower end of the adjusting device, and the overhead line is installed in the suspension wire clamp. The device is simple in structure, the installation height can be adjusted according to requirements, and installation and maintenance are convenient.

The invention discloses an underground mine large-gradient small-turning TBM construction method, and belongs to the technical field of underground mine roadway tunneling. The method aims at solving the problems that a traditional TBM is discontinuous in deslagging, low in safety and poor in adaptability under complex working conditions. Through the modular trailer design, the TBM equipment has the capability of rapidly switching the deslagging mode according to the working condition (a gate way or a large-gradient small-turning roadway); a continuous belt conveyor, buffer residue storage and segmented transfer combined residue discharging system is adopted, and non-interruption continuous transportation of residue soil is achieved; tBM tunneling is utilized to directly excavate and form various functional chambers required subsequently, and integrated conversion of procedures is achieved; and all pipelines and equipment are arranged in a limited roadway section in an intensive and layered manner, and supporting and material transportation space is reserved. The deep cooperation of tunneling, deslagging, supporting and material transportation is achieved, and the continuity, safety, efficiency and equipment adaptability of construction in complex mine roadways are remarkably improved.

Method and Equipment for Installing a Power Cable in a Deployment Site The present disclosure relates to a method for installing a single power cable span in a deployment site comprising a rail for supporting the single cable span by trolleys, the method comprising the steps of providing a conveyor belt outside of the deployment site, the conveyor belt having a plurality of locations set at a predetermined distance one from the other along a longitudinal movement direction of the conveyor belt and moving integrally with the latter; repeating the following steps until the single cable span reaches a predetermined position while the conveyor belt is moving, positioning a first part of a holder at one of the locations; while advancing the single cable span, laying a portion thereof on said first part of the holder positioned at the location moving with the conveyor belt; connecting a second part of the holder to the first one to lock the cable span portion in between; while the cable span portion locked by the holder is leaving the conveyor belt, removing the first part of the holder from the location moving with the conveyor belt. According to another aspect, the present disclosure relates to an equipment for the installation of a single power cable span in a deployment site.

The invention relates to the technical field of coal mine power supply, in particular to a cable fixing device for coal mine power supply, which comprises a plurality of fixing units for mounting and fixing a cable, each fixing unit comprises an anchor rod and a mounting frame, a retaining mechanism is arranged on the anchor rod, a seat plate is detachably and fixedly connected to the anchor rod, and an adjusting assembly and a sliding seat are arranged on the seat plate. The adjusting assembly is arranged on the sliding seat and is in transmission connection with the sliding seat, the mounting frame is fixed on the sliding seat, a plurality of wire hooping assemblies are detachably arranged on the mounting frame, and the wire hooping assemblies rotate on the mounting frame in a fixed-axis mode. According to the cable fixing device for coal mine power supply and the mounting method thereof, the mounting stability of the cable is greatly improved, the whole device has expandability, the practicability is improved, meanwhile, the cable can be fixedly mounted and taken down conveniently, operation is easy and convenient, and the practicability is high. And the cable tensioning degree is adaptively adjusted according to the temperature change of the working environment through the adjusting assembly, and the cable is kept in a stable tensioning state, so that the service life of the cable is prolonged, and the safety of the cable is improved.