155results 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 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 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.

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.

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 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.

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.

This application provides an explosion-proof and reignition-proof composite structure for cable joints. The aforementioned explosion-proof and reignition-proof composite structure for cable joints includes a tensile-resistant and weather-resistant membrane shell, a fire-retardant and heat-absorbing coating, and a flexible explosion-proof sealing assembly. The tensile-resistant and weather-resistant membrane shell has an explosion-proof sealing cavity. The fire-retardant and heat-absorbing coating covers the tensile-resistant and weather-resistant membrane shell. The flexible explosion-proof sealing assembly is disposed within the explosion-proof sealing cavity and connected to the tensile-resistant and weather-resistant membrane shell. The aforementioned explosion-proof and reignition-proof composite structure for cable joints has good fire-proof, explosion-proof, and reignition-proof effects.

The application discloses a kind of cable supports for tunnel cable trench, it is related to cable support technical field, including stand, the inner surface of the stand is fixedly connected with bracket arm, the outer surface of the bracket arm is fixedly connected with moving mechanism, the side of the moving mechanism away from bracket arm is fixedly connected with material placing mechanism, the upper surface of the moving mechanism is fixedly connected with antiskid mechanism;When the cable needs to be laid, the cable is placed on the upper surface of the sponge wheel, the cable is transported by multiple sponge wheels, the sponge wheel is soft material, and the cable surface will not be damaged during the movement of the cable.

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 modularization quick -wearing AF line suspender connecting structure contains base, boom and insulator, and the boom is located between both, and the insulator one end has cable clamp for fixing AF line, the base has the connecting ring and guide column of anchor groove, and the boom has top cap, arc push block and the like spare, when installing, through guide column and L shape guide groove complete preliminary positioning, then use the jacking device to make arc push block card into anchor groove and realize firm fixation, and the insulator is connected with the boom through the positioning rod, the convenient connection of the clamping block, modularization design is convenient to independent replacement when partial component damage, has reduced maintenance cost, and the whole structure installs fast, stable and reliable, can effectively improve AF line suspender laying efficiency and use stability.

The present invention relates to an underground distribution line arrangement device for connecting lines, with improved convenience and safety, the device comprising a support device (10), a first telecommunications line mounting base (20), a second telecommunications line mounting base (20'), a separation prevention device (30), a fire detection sensor (40), and a fire extinguisher (50). The device allows for rapid suppression in the event of a fire, supports the safe installation of an underground distribution line and a telecommunications line such that the lines are separated, and facilitates the separation and placement thereof.

The utility model relates to the field of cable construction, and discloses a cable mounting bracket capable of adapting to different mounting environments, which comprises a fixed seat, a supporting assembly and a positioning assembly are mounted at the front part of the fixed seat, the supporting assembly comprises three groups of supporting shafts and three lifting grooves, the three lifting grooves are respectively arranged at the front part of the fixed seat, and the positioning assembly is arranged at the front part of the fixed seat. The three sets of supporting shafts are fixedly installed on the front portion of the fixing base, a shaft sleeve is movably installed outside a shaft body between the two supporting shafts in each set, a supporting plate is fixedly installed outside the shaft sleeve, a positioning hole is formed in the position, close to the rear end, of the top of the supporting plate, and an adjusting rod is movably installed in the position, penetrating through the fixing base, of the top of the supporting plate. Through the shaft sleeve and the clamping column, the occupied space in a cable trench can be reduced after installation, and meanwhile, a cable at the bottom end is convenient to take, place and place; and through the screw rod and the telescopic column, the outer side of the cable can be blocked, the cable is prevented from sliding and falling off, and the device is suitable for being installed at a bend in a cable trench.

The invention discloses a multi-stable-state flexible supporting device suitable for large deformation resistance of a tunnel GIL pipeline. The multi-stable-state flexible supporting device comprises a horizontal supporting unit, a vertical supporting unit and a connecting unit. The horizontal supporting unit and the vertical supporting unit are each provided with a supporting device, each supporting device is composed of an upper-layer dislocation component, a lower-layer dislocation component and a middle dislocation component, the upper-layer dislocation component, the lower-layer dislocation component and the middle dislocation component are in meshed connection in a relative dislocation mode through a gear structure, and the middle dislocation component is arranged between the upper-layer dislocation component and the lower-layer dislocation component in a clamped mode. The connecting unit is matched with the GIL pipeline and fixed to the middle dislocation component of the horizontal supporting unit. Through the synergistic effect of double units, synchronous adaptation of horizontal and vertical bi-directional dislocation displacement is achieved, deformation energy is absorbed through friction damping generated by gear meshing dislocation, the displacement amplitude of the GIL pipeline is effectively reduced, dislocation damage is avoided, the structure is stable, installation is convenient and fast, and the requirement for large deformation resistance of the long-distance GIL pipeline is met.

CABLE TRAY SUPPORT SYSTEM FOR TUNNELS / VAULTS Cable tray support system for tunnels / vaults, comprising a profile portion (2), consisting of a plurality of profile elements (3), and one or more brackets (4) hinged to the profile elements (3) and suitable for supporting cable trays (5, 6). The brackets are fixed to the profile elements (3) by means of bolts (8) engaging holes (11) drilled in the profile elements (3). By changing the distance "D" of the hole (11) from the inner part (10) of the profile, the horizontality of each bracket (4) is ensured when the inclination of the respective profile element (3) changes. Figure for the abstract: Figure 1

The utility model discloses a portable cable laying device which comprises a driving wheel and an auxiliary wheel which can clamp a cable, and the distance between the driving wheel and the auxiliary wheel is adjustable. And the driving wheel and the auxiliary wheel are fixed on the underframe. The device is installed on a support when a cable is in place, the cable only needs to be translated to the inner side of the support when the cable is in place, the carrying height is reduced, the carrying workload is reduced, the manpower demand is small, and the working efficiency is higher; when in use, the cable is laid at the final in-place position, so that the cable can be prevented from falling off in a racking and carrying process, and the risk of personnel injury is solved; the laying device is installed on the support, ground equipment is suspended, the problem that a construction channel is blocked when a traditional cable conveyor is used for laying is solved, tunnel space is saved, and convenience is provided for patrolling, construction and carrying of other tool materials in the laying process.

The utility model belongs to the technical field of wire rod protection, and particularly relates to a wire rod protection device used for intelligent monitoring of a tunnel face in a tunnel, which comprises two semicircular steel pipes hinged to each other, a protection area used for protecting a wire harness is defined by the two semicircular steel pipes, and the wire harness is located between the two semicircular steel pipes. Bent parts are fixedly connected to the two ends of the semicircular steel pipes respectively, the two bent parts at the same ends of the two semicircular steel pipes define a bent section, and a wall surface fixing part is fixedly connected to one semicircular steel pipe; the wire arranging part is arranged between the two semicircular steel pipes; and one end of the clamping and fixing part is fixedly connected with one semicircular steel pipe, the other end of the clamping and fixing part is fixedly connected with the other semicircular steel pipe, and the clamping and fixing part is used for fixing the two semicircular steel pipes. According to the device, the wire harness is protected through the semicircular steel pipe, and the wire harness is prevented from being damaged in the construction operation process.

The utility model discloses a multi-cabin combined assembly type prefabricated working well which comprises an end well body and a middle well body, one side of the end well body is provided with an installation opening matched with a cable duct bank, the other side of the end well body is provided with a socket groove or a socket block, the two ends of the middle well body are provided with the socket groove and the socket block respectively, and the socket groove and the socket block are matched with the installation opening. The inner corners of the end well bodies and the middle well bodies are all in a chamfer shape, mounting holes are formed in the positions close to the chamfers, the middle well bodies are composed of a plurality of or a single middle well body, the two ends of the middle well bodies are connected with the end well bodies at the two ends through socket blocks and socket grooves, long bolts are inserted into the mounting holes, and the end well bodies are tightly fixed to form a whole. An embedded iron sheet is fixedly connected to the side surface in the well body, a connecting plate is fixedly connected to the position of the embedded iron sheet, and a frame is fixed to the connecting plate. According to the design, the structure scale can be adjusted, the number of well bodies can be flexibly adjusted in a narrow environment, and the application range is widened. And the grounding ring and the protective iron ring provide a safe maintenance environment for maintenance personnel.

The utility model discloses an installation device for an arc-shaped support in a cable tunnel. The installation device comprises an installation device body located in the tunnel and an arc-shaped stand column connected with the installation device body. The mounting equipment body comprises a base frame and a hanging support rotating mechanism connected with the base frame; the hanging support rotating mechanism comprises a cross-shaped lifting assembly which comprises a lifting fixing frame connected with the base frame, a lifting moving frame matched with the lifting fixing frame and a cross-shaped sliding frame installed at the end of the lifting moving frame and in sliding fit with the base frame, and a lifting vertical lifting push rod with the output end connected with the lifting moving frame is arranged in the lifting fixing frame; the rotary opening assemblies are symmetrically arranged on the two sides of the cross-shaped lifting assembly. Compared with traditional lifting equipment, the arc-shaped support can be automatically installed, the installation efficiency is improved, the installation cost is reduced, narrow space is utilized, adverse factors are converted into favorable factors, the base frame has certain compression resistance and bending resistance due to the fact that the base frame is upwards ejected and downwards pressed, and the effects of balancing weight and stable lifting are achieved.

The invention relates to an electric power tunnel cable laying auxiliary device, and relates to the technical field of cable laying, the electric power tunnel cable laying auxiliary device is characterized in that a mounting hole is formed in a device shell in a penetrating manner, a guide assembly comprises a mounting seat, the mounting seat is arranged on the device shell, a guide wheel is rotatably mounted on the mounting seat, and two groups of auxiliary guide parts are symmetrically arranged on the device shell; the auxiliary guide part comprises a push rod, the push rod is slidably mounted on the device shell, a fixing rod is fixedly mounted on the push rod, the first guide rod is rotatably mounted on the fixing rod, and the second guide rod is fixedly mounted on the push rod. The cable support has the effects of preventing the cable from being abraded and damaged by the support in the cable laying process of the power tunnel and preventing the cable from being twisted and falling off during turning section construction.

The utility model belongs to the technical field of high-speed railway tunnel supporting facilities, and particularly relates to a high-speed railway tunnel cable trough cable isolation protection complete device which comprises a supporting base, a stand column, an isolation plate and a cable dragging piece, the supporting base is composed of a clamping base and a positioning base, and the width can be adjusted through a clamping structure of the clamping base and the positioning base; therefore, cable troughs of different specifications can be adapted. The stand column is connected with the supporting base through an inserting column, and wire dragging pieces are arranged on the two sides of the stand column at equal intervals in the height direction and used for placing and fixing cables. An isolation plate is inserted between the two stand columns, is stably connected through a bayonet socket and is used for isolating adjacent cables; the clamping seat and the positioning seat are fixed in the cable trough through multi-tooth occlusion and screws, and meanwhile, the inner wall of the cable trough is protected through the arranged first foot pad and second foot pad, so that shaking or damage is avoided; an arc-shaped groove is formed in the top of the wire dragging piece to fix the cable and is matched with the isolation plate to optimize the heat dissipation performance, and therefore the use safety and stability of the cable are improved.

The invention discloses a flexible supporting device for a GIL product, and the device comprises supporting cantilevers, the supporting cantilevers are grouped in pairs and are arranged at intervals, and a to-be-connected GIL product is arranged between the supporting cantilevers in a penetrating manner; the two combined dampers are fixedly arranged on the top sides of the supporting cantilevers in a one-to-one correspondence mode. The transition force transmission supporting piece is used for connecting the GIL product and the combined damper, and based on the combined damper, instantaneous energy caused by the vertical earthquake vibration acceleration to the GIL product can be absorbed, and forced displacement introduced by the vertical earthquake vibration acceleration to the GIL product is reduced. The force balance buffering assembly is arranged between the cantilever ends of the two sets of supporting cantilevers and conducts horizontal buffering control on the supporting cantilevers, and the force balance buffering assembly can absorb instantaneous energy caused by horizontal seismic vibration acceleration to the GIL product and reduce forced displacement introduced by transverse seismic vibration acceleration to the GIL product. The GIL connector is suitable for connection of GIL products in a complex environment, and the connection reliability is high.

This invention relates to a modular, compact arrangement (200) of three phases (A, B, C) of a gas-insulated device (100) suitable for placement in a tunnel or pipe (106) or other confined space. According to the invention, the three phases (A, B, C) are arranged in a triangular or side-by-side configuration on mounting components (103, 104) comprising a roller system (105; 105a, 105b, 105c, 105d). This allows the insertion of such a three-phase assembly (100) into a confined space, such as a pipe or tunnel (106), without the need for workers or machinery to enter. Furthermore, the invention relates to a method for assembling and installing such a three-phase arrangement (100) into a confined space (106).

The invention relates to the technical field of cable fixing, and discloses a cable rack pre-embedding fixing system and method for power construction, and the system comprises a mounting bracket, one end of the mounting bracket is provided with two cable rack plates, and a belt body is arranged between the two cable rack plates; a first roller shaft and a second roller shaft are further arranged between the two cable frame plates, the first roller shaft and the second roller shaft are sleeved with the two ends of the belt body respectively, a plurality of limiting mechanisms are arranged on the belt body, each limiting mechanism comprises a first limiting plate arranged on the belt body, and a second limiting plate arranged on the belt body is arranged on the belt body. A second limiting plate is further arranged on the belt body, a triangular block is arranged at one end of the first limiting plate, through cooperation of the first limiting plate and the second limiting plate, feeding of cables is facilitated, the cables can be fixed, a plurality of cables are sequentially placed on a cable rack plate and pushed, and the cable rack plate is convenient to use. In this way, a plurality of cables can be orderly arranged and installed on the cable rack plate, labor is saved, and the use effect is good.

The invention relates to the technical field of electric power installation, in particular to a system and method for transporting and installing a GIL unit in a tunnel, the system comprises a travelling crane set and a winch, the travelling crane set comprises a high-position travelling crane and a low-position travelling crane which are rigidly connected, and the horizontal height of the high-position travelling crane is higher than that of the low-position travelling crane; the winch is arranged on the top side of the end of the horizontal tunnel, and the horizontal height of the horizontal tunnel is at least higher than that of the inclined shaft tunnel communicated with the horizontal tunnel. A steel wire rope of the winch is connected to a main beam of the high-position traveling crane, lifting hooks of the traveling cranes are connected to the same GIL unit, the traveling crane set controls the GIL unit to move up and down and move left and right, and the winch controls the traveling crane set and the GIL unit to move front and back. The crane group in the inclined shaft tunnel is lifted by the winch so as to transport and mount the GIL unit, and the problems that a crane slips when moving on an inclined crane guide rail and the GIL unit is difficult to transport and mount in the inclined shaft tunnel inclined at a large angle are solved.