69results about How to "Improve the support effect" patented technology

The invention discloses a foundation pit supporting structure, and relates to the technical field of foundation pit supporting, and the foundation pit supporting structure comprises a supporting plate, a plurality of water absorption pieces and a plurality of positioning rods; a plurality of mounting grooves are formed in one side of the support plate, and the plurality of water absorption pieces are respectively arranged in the plurality of mounting grooves; a plurality of penetrating holes are formed in the supporting plate in a penetrating mode, a sharp thorn is arranged at one end of the positioning rod, and after the sharp thorn penetrates into soil at the bottom of a foundation pit, the part, located in the penetrating holes, of the positioning rod blocks openings in the bottoms of the penetrating holes; a plurality of water passing spaces, a plurality of first water seepage holes and a plurality of second water seepage holes are further formed in the supporting plate; the water passing space is communicated with the mounting groove through the plurality of first water seepage holes, and the water passing space is communicated with the through hole through the plurality of second water seepage holes. The supporting effect can be effectively achieved on the surrounding foundation pit with the high soil humidity, and meanwhile the probability of water permeation can be effectively reduced.

The utility model provides a deep foundation pit supporting structure, which relates to the technical field of foundation pit supporting and comprises an external Larsen steel sheet pile and a steel enclosing purlin positioned on the inner side of the Larsen steel sheet pile, and the inner side of the steel enclosing purlin is connected with a steel supporting piece through a steel cushion box; a plurality of layers of steel enclosing purlins are horizontally arranged, each layer of steel enclosing purlins is connected with a layer of steel supporting pieces, four sets of steel supporting pieces are arranged on each layer of steel enclosing purlins, and a set of steel supporting pieces is connected between the steel enclosing purlins on the inner sides of every two adjacent Larsen steel sheet piles. Each set of steel supporting pieces comprises at least two steel supporting pieces, each set of steel supporting pieces comprises a long support and a plurality of short supports, and the long supports and the short supports of each set of steel supporting pieces are arranged in parallel. The utility model has the beneficial effects of reasonable design, simple structure, safety and reliability, and can provide reliable support for different soil layers, improve the supporting effect and reduce the construction difficulty and cost.

The utility model discloses a large-section hydraulic tunnel main adit intersection excavation support door frame in the technical field of tunnel construction, which comprises a reinforcing door frame and a connecting piece, the reinforcing door frame comprises outer door beams and inner door beams, a semicircular door beam is fixedly connected between the top ends of the inner door beams, and a door frame cross beam is fixedly connected between the tops of the outer door beams; the semicircular door beam is connected with the inner side of the portal cross beam, linear reinforcing ribs are fixedly arranged between the outer door beam and the inner door beam, a plurality of sections of inclined reinforcing ribs are fixedly arranged between the semicircular door beam and the portal cross beam, oblique angle supporting pieces are jointly connected between the tops of the inclined reinforcing ribs, and the oblique angle supporting pieces are fixedly connected between the outer door beam and the portal cross beam at the same time; according to the utility model, the outer door beam can be connected and fixed with the main hole support, the inner door beam and the semicircular door beam are in transition connection with the branch hole bracket, and the outer door beam and the inner door beam are connected through the linear reinforcing rib, so that the support at the intersection forms a whole, the stress is dispersed, and a good support effect is provided.

The application discloses a foundation pit supporting structure, relates to the technical field of foundation pit supporting, and comprises a supporting assembly and a reinforcing assembly. The supporting assembly comprises a plurality of base units and a plurality of supporting units. The base units are in abutment with the pit wall on one side of the foundation pit and the pit wall at the bottom. The plurality of supporting units are connected with the plurality of base units, the plurality of supporting units are connected with each other, and the supporting units are in abutment with the pit wall on one side of the foundation pit. The reinforcing assembly comprises a plurality of fixing seats and a plurality of reinforcing pieces. The fixing seats are connected with the foundation on one side of the foundation pit, and the plurality of supporting units are connected with the fixing seats. The reinforcing pieces are located on one side of the supporting assembly, one end of the reinforcing pieces is connected with the fixing seats, and the other end of the reinforcing pieces is connected with the base units. The application can improve the structural strength of the foundation pit supporting structure as a whole and facilitate subsequent construction of construction personnel in the foundation pit.

The utility model provides a coal mine tunneling supporting device which comprises a top plate, a corner attaching unit and three supporting units are arranged below the top plate, the corner attaching unit comprises a left side plate, a right side plate and a rotating shaft, and the left side plate and the right side plate are both arranged on the surface of the rotating shaft in a rotating mode. The left side plate and the right side plate are hinged through the rotating shaft, and the supporting units are arranged at one end of the left side plate, one end of the right side plate and the rotating shaft, so that the angle between the left side plate and the right side plate can be adjusted according to the turning angle of a roadway; according to the supporting device, the three supporting units are arranged, so that the three supporting units support the two ends and the middle of the roadway corner respectively and are reinforced through the top plate, the three supporting units can form a whole, the overall strength can be guaranteed during supporting, the supporting device can adapt to roadway corners of different angles, and the better supporting effect is achieved.

The invention discloses a soft rock large deformation control method and a rapid support system suitable for TBM tunnel construction method characteristics, the method is implemented based on an anchoring support system composed of a short anchoring support system and a long anchoring support system, and the method is suitable for an open TBM construction scene: in a TBM tunneling process, before a shield is exposed, the shield is not exposed, and the long anchoring support system is not exposed; a short anchoring support system of a full-length anchoring anchor rod structure is timely arranged in the radial direction of the 180-degree area of the upper half ring of the tunnel section through a cutter head edge cutter hole, and the short anchoring support system and a shield cooperate to form an initial deformation control system; after the shield is exposed, according to the deformation degree of the surrounding rock, full-length anchoring anchor rods or pre-stressed anchor cables are adopted in a graded mode, long anchoring supporting systems are arranged at intervals with the short anchoring supporting systems in a spiral mode, then the long anchoring supporting systems are cooperatively borne with steel arches, reinforcing meshes and sprayed concrete, and the long anchoring supporting systems are matched with 70m system sprayed concrete and 1000m secondary lining construction behind a tunnel face. According to the method, the displacement around the hole is effectively controlled, the TBM is prevented from being stuck, and the construction safety and efficiency of the open-type TBM in the soft rock large-deformation geology are improved.

The utility model discloses an anchor rod for coal mine reinforcement, and particularly relates to the technical field of anchor rods, the anchor rod comprises a supporting net layer, a transverse supporting piece is arranged at the bottom of the supporting net layer, the transverse supporting piece comprises a top plate, vertical plates are fixed to the bottoms of the two ends of the top plate, a transverse plate is fixed to the bottom of the top plate, and the top plate is connected with a main anchor rod in a penetrating mode. The anchor rod comprises a main anchor rod body and a vertical plate, the vertical plate is connected with an auxiliary anchor rod body in a penetrating mode, the main anchor rod body and the auxiliary anchor rod body each comprise a metal rod body, a pressing plate is arranged at one end of each metal rod body, and the portions, located below the pressing plates, of the metal rod bodies are connected with locking nuts in a threaded mode. Under the simultaneous fixing action of the main anchor rod and the auxiliary anchor rod, the supporting range is expanded, the working intensity of mounting the anchor rods by workers is effectively reduced, the working efficiency of the workers is improved, and the supporting effect is further improved.

The utility model provides a mining high-strength anti-falling anchor cable tray, which belongs to the technical field of anchor cable trays and comprises a tray body and a bearing component. An anchor hole for an anchor rod or an anchor cable to penetrate through is formed in the center of the disc body, the anchor hole extends upwards by a certain height, an integrally-formed anti-falling lug is further arranged on the edge of the disc body, and the force bearing assembly comprises a main reinforcing rib part and an auxiliary reinforcing rib part which are gradually inclined outwards from the end of the anchor hole. The main reinforcing rib portions are sequentially and evenly arranged in the axial direction of the anchor hole, an auxiliary reinforcing rib portion is arranged between every two main reinforcing rib portions, each main reinforcing rib portion is of a convex structure, and each auxiliary reinforcing rib portion is of a concave structure. According to the tray structure, a force bearing structure is more uniform and reasonable, the overall supporting strength of the tray can be further improved, the overall structure is simple, machining and manufacturing are easy, the machining efficiency is high, and the practical effect is good.

This utility model provides a feeding compensation device for a fully automatic film coating machine, including a supporting base plate placed on an external lifting platform for supporting materials, a plurality of placement slots equally spaced on the supporting base plate, a plurality of support rods with one end set on the supporting base plate within each placement slot and the other end located outside the placement slot, and a counterweight block set on the other end of each support rod. The length of the support rod is greater than the length of the placement slot, and the support rod is fitted with the placement slot with a clearance. By subsequently increasing the lifting stroke of the lifting platform, the lifting frequency of the lifting platform is reduced, thereby reducing the energy consumption of the lifting platform due to frequent start-stop.

The utility model discloses a coal mine tunnel fault passing rapid supporting device which comprises bases distributed at the bottoms of the two sides of a tunnel, single-cylinder hydraulic props are fixedly arranged on the bases, a supporting top plate is fixedly arranged at the upper ends of the single-cylinder hydraulic props, and a supporting side plate is hinged to the end, close to the side face of the tunnel, of the supporting top plate. One end of the support top plate is hinged to the support top plate, the other end of the support top plate is hinged to an extension top plate, the other end of the extension top plate is internally connected with a butt joint plate in an inserted mode, the butt joint plate is used for butt joint to achieve closing, and a pressure monitoring mechanism is arranged on the upper surface of the support top plate. The pressure sensor collects roof pressure data in real time, and the roof pressure data is analyzed and processed by the controller to achieve real-time monitoring and early warning of the roof pressure. Meanwhile, the extension top plate is matched with the butt joint plate, the extension top plate is driven to turn over through the second hydraulic push rod, the position of the butt joint plate is adjusted through the fastening bolt, roadway top plates with different widths can be flexibly adapted, and fully-closed supporting is achieved.

The utility model discloses a cutting device for cyclocarya paliurus planting, which comprises a box body, a motor box is arranged at the front end of the box body, a plurality of uniformly distributed connecting rods are slidably sleeved in the box body, a connecting ring is fixedly connected in each connecting rod, the top of each connecting rod is fixedly connected with a fixed seat, and the fixed seat is fixedly connected with the motor box. A connecting column is slidably connected into the fixing base in a sleeved mode, a positioning ring is fixedly connected to the outer side of the connecting column, and an irrigation frame is arranged on the box body. According to the cyclocarya paliurus irrigation device, the irrigation frame and the irrigation pipe are matched for use, cyclocarya paliurus can be irrigated, meanwhile, through the action of the lifting motor, the output end of the lifting motor can drive the driving wheel and the belt to rotate, then the transmission wheel can be driven to rotate, the transmission wheel can drive the threaded rod to rotate, and threaded movement of the irrigation pipe can be achieved; the irrigation pipe can move in the vertical direction, so that the irrigation height can be adjusted according to the production height of the cyclocarya paliurus.

The utility model provides a kind of light supporting device for steeply inclined thin coal seam belongs to coal mining technical field, the light supporting device for steeply inclined thin coal seam includes side support frame in both sides, light supporting assembly is set between side support frame, light supporting assembly includes supporting bottom plate and supporting net in both sides, one side of supporting net is connected with steel chain, another side is connected with steel chain, electric winch is set on side support frame, one end of steel chain is connected with supporting net, and the other end is fixedly connected with the reel of electric winch by ring buckle;Side support frame includes stand, crossbeam and inclined strut, trapezoidal bottom plate is set in the bottom of stand, crossbeam is fixedly connected with stand by bolt, one end of inclined strut is connected with stand, and the other end is connected with bottom plate;Multiple groups of sliding slots are set on crossbeam, pulley is rotatably set in sliding slot, steel chain is wound around pulley;The utility model can solve the problem that dynamic support demand cannot be met.

The utility model relates to the technical field of geotechnical engineering, and provides a geotechnical engineering supporting device which comprises a base, a supporting plate is arranged outside one end of the base, inserting rods are welded to the two sides of the supporting plate respectively, inserting grooves are formed in the two sides of the base respectively, the other ends of the two inserting rods are inserted into the two inserting grooves respectively, and the inserting rods are inserted into the inserting grooves respectively. A support is welded to the other end of the base. According to the geotechnical engineering supporting device, the base is placed at the supporting position, a handle is held and rotated, so that the rotating disc can move downwards, a supporting rod is used for pushing a push plate to move forwards in the downward moving process of the rotating disc, a supporting plate can be pushed out under the transmission action of an elastic resistance rod and an insertion rod, the supporting plate is closer to the side wall of a foundation pit, and the supporting effect of the supporting plate is improved; according to the supporting plate, the elastic resistance rods can play a role in damping and buffering when the supporting plate is impacted, so that when rock soil falls off, the influence of impact force on the supporting plate is reduced, the damage degree of the supporting plate is reduced, and the service life of the supporting plate is prolonged.

The present invention discloses a method and device for guiding and positioning the anchor arm of a continuous miner, which relates to the technical field of anchor arm positioning. The main purpose is to achieve precise control of the anchor arm of a continuous miner, so that the insertion position of the anchor is highly consistent with the process design, and the support quality of the excavation working face is improved. The method comprises: when a displacement signal is received, switching to a coarse adjustment mode; according to the displacement signal, adjusting the span width of the anchor arm so that the span width of the anchor arm reaches a preset threshold range; when a coordinate signal is received, switching to a fine adjustment mode; according to the coordinate signal, adjusting the span width of the anchor arm, and accurately positioning the span width of the anchor arm to the preset threshold. The present invention is suitable for guiding and positioning the anchor arm of a continuous miner.

The utility model relates to pipeline trench support field discloses a novel support structure for pipeline trench support, including maintenance board, the lateral wall fixedly connected with track of maintenance board, the inside of track is provided with slide, the surface of track is opened with positioning hole, the inner wall screw thread connection of positioning hole has the locating bolt, the surface fixedly connected with support shaft of slide, the outer wall fixedly connected with spherical seat of support shaft, the inner wall rotationally connected with the regulating steel ball of spherical seat. In the utility model, through being provided with track, slide, positioning hole, locating bolt and so on, when supporting pipeline trench, can adapt to the width of trench to carry out horizontal support while, maintenance board can carry out two -two splicing and enlarge the support area, and when the one end of trench changes too wide or too narrow, one end of maintenance board can be reduced or enlarged to carry out angle adjustment, improve the support effect while, improve the adaptability of support operation.

The invention discloses a composite cone for single crystal production. The composite cone comprises a high-strength composite layer cone at the bottom, the embedding part is arranged at the edge of the high-strength composite layer cone body, and the bulge is arranged on the surface of the edge part of the high-strength composite layer cone body; the ceramic quartz upper cover is arranged above the high-strength composite layer cone and is matched with the high-strength composite layer in shape; the lifting assembly penetrates through the high-strength composite layer cone and the ceramic quartz upper cover and then protrudes out of the upper portion of the ceramic quartz upper cover, and the lifting assembly is used for reducing stress concentration of the bottom of the ceramic quartz upper cover. Compared with the prior art, the composite cone can bear a large range of cold and hot temperature switching, then provides higher strength and better brittleness resistance, can provide better integrity and supporting performance through the composite cone at the bottom, and can prevent the cone from directly falling into molten silicon to pollute a silicon material even if the cone is broken under the extremely small probability.

The invention provides a soft rock roadway construction method which comprises the following steps that a hole is drilled in a preset position of a soft rock roadway, one end of a steel pipe is driven into the drilled hole, the other end of the steel pipe is fixed to a supporting anchor rod, and a pipe shed pre-supporting system is formed; a comprehensive heading machine starts to work at the bottom of the soft rock roadway, rock mass in the soft rock roadway is excavated from the bottom to the top of the soft rock roadway, and the contour of the soft rock roadway is formed; hollow grouting anchor rods are adopted, grout is injected into the anchor rods, and the soft rock roadway is reinforced; primary concrete spraying is conducted on the section of the soft rock roadway at the first preset distance of the lagging tunneling working face, secondary concrete spraying is conducted on the section of the soft rock roadway at the second preset distance of the lagging tunneling working face, a concrete terrace is poured, and construction of the soft rock roadway is completed. The problem that in the prior art, due to the fact that the strength of a supporting body in a soft rock roadway is limited, the roadway is in an unstable state is solved.

The invention discloses a thin-layer spraying material and a surrounding rock deformation monitoring system and method using the same, and belongs to the field of surrounding rock deformation monitoring. The thin-layer spraying material is prepared by mixing a luminescent material Y2O3: Eu < 3 + > and a negative Poisson's ratio material; the surrounding rock deformation monitoring system using the thin layer spraying material comprises a light source emitting device and a light source receiving device, the light source emitting device is used for emitting light and exciting a luminescent material in the thin-layer spraying material; the light source receiving device is used for receiving light emitted by the luminescent material within a specific range of wavelength; and the data processing device is used for splicing the light-emitting point position data measured by the different spectral displacement sensors, converting the light-emitting point position data into the same coordinate system, and monitoring the deformation of the surrounding rock according to the coordinate difference of the light-emitting points before and after the deformation of the surrounding rock and the included angle between the coordinate axes of the light-emitting points. According to the invention, the range and precision of surrounding rock deformation monitoring are effectively improved, the work amount of surrounding rock deformation monitoring is effectively reduced, and the cost is reduced.

The present application relates to the field of building construction, and discloses a design method for inclined pile support layout based on construction facade, aiming at the problem of low matching degree between the existing inclined pile support layout theoretical model and actual working conditions, lack of real-time feedback leading to safety hazards, the present application constructs an initial inclined pile support demand model through multi-dimensional facade information, determines the layout position and parameters of sample inclined pile support according to the characteristics of different facade partitions, collects the actual stress and deformation data of the pilot inclined pile support as feedback, calculates the deviation and corrects the initial model, solves the global force vector and support distribution points using the corrected model, and automatically generates the layout position, angle, specification and installation parameters of the remaining inclined pile supports. The present application realizes dynamic coupling of the theoretical model and the actual working conditions through physical calibration of the pilot inclined pile support, eliminates systematic errors such as uneven foundation, material differences, etc., significantly improves construction safety and optimizes the distribution of inclined pile supports, and is suitable for complex construction scenes such as deep foundation pit support.

This utility model discloses a drilling rig for smooth blasting construction of deep-buried high-stress tunnels, relating to the field of tunnel construction technology. It includes a frame, on which a rock-drilling assembly and a drive component are mounted. The rock-drilling assembly includes a drill rod, and the drive component drives the drill rod to move. A drill bit is located at the end of the drill rod away from the drive component. A temporary support assembly is mounted on the drill rod, including a mounting ring. Connecting rods are hinged to both ends of a support plate, with one connecting rod hinged to the side wall of the mounting ring. A slider is hinged to the end of the other connecting rod away from the support plate, and the slider slides against the side wall of the mounting ring. A first spring, made of shape memory metal, is located on the side of the support plate near the mounting ring. Both ends of the first spring are fixedly connected to adjacent side walls to reduce the risk of borehole collapse in high-stress construction environments.

The invention discloses a reinforcing device suitable for a soft soil layer shield tunnel. The reinforcing device comprises a shield body, a containing cavity is formed in the rear end of the shield body, a push-out oil cylinder is arranged in the containing cavity, and a plurality of supporting assemblies are placed in the containing cavity; the supporting assembly comprises supporting rods which are mutually hinged, the supporting rods are hinged to form a ring, the hinged positions of the supporting rods alternately abut against the outer wall and the inner wall of the containing cavity, the supporting rods are of a contractile structure, and inserting rods are arranged at the hinged positions of the supporting rods above the tunnel and inserted into the inner wall of the tunnel through pushing. The supporting assembly has the advantages that the supporting assembly at the outermost end is pushed out of the containing cavity through the lifting rod, then the supporting assembly is clamped in a shield post-grouting layer during duct piece paving, the supporting assembly is opened to form annular supporting, and the reinforcing strength is improved.

The invention discloses a multi-form functional sofa fully filled with sponge. The multi-form functional sofa comprises a left armrest, a right armrest, a back, a reconfigurable seat cushion, connecting base cloth and connecting back cloth, velcro tapes are arranged among different geometric blocks of the reconfigurable seat cushion, the relative positions of the geometric blocks are changed, and the geometric blocks are fixed by the Velcro tapes, so that the whole reconfigurable seat cushion can form at least two different bearing surface forms, and the invention relates to the technical field of furniture equipment. The multifunctional chair can be flexibly switched into four forms of a sofa, a bench, a deck chair and a mattress, meets various use scenes such as daily sitting, lying, multi-person rest and temporary sleep, greatly improves the utilization rate of home space, and is particularly suitable for small-sized families or multifunctional leisure areas; the left armrest, the right armrest, the back and the reconfigurable seat cushion are all filled with sponge, are soft in texture and good in bearing performance, can fit a human body curve and effectively relieve fatigue feeling of long-time sitting and long-time lying, and a leather coating material is wear-resistant and easy to clean and has comfort and practicability.

This application relates to a building support structure, including a base frame and a protective plate slidably connected to the upper surface of the base frame. One side wall of the base frame has an installation groove, and the protective plate is located on the side of the base frame near the groove opening. The base frame is equipped with an adjusting component and a fixing component for securing the base frame and the bottom of the foundation pit. The base frame also has a driving assembly for pushing the protective plate towards the corresponding side wall of the foundation pit. The driving assembly includes a driving rod located on one side of the protective plate and rotatably connected to the upper surface of the base frame, with the rotation point of the driving rod located at its center. A protrusion is hinged to one end of the driving rod near the protective plate, and the protrusion slides along the length of the protective plate. A limiting spring is fixedly connected to the protrusion, and the end of the limiting spring away from the protrusion is fixedly connected to the protective plate, creating an angle between the driving rod and the protective plate. The base frame also has a power assembly for rotating the driving rod. This application improves the support effect of the support structure on the side wall of the foundation pit.

The invention provides a special-shaped grouting anchor rod supporting system and a model selection construction method, and belongs to the technical field of underground engineering. The method comprises the steps that firstly, physical and mechanical parameters of surrounding rock, grouting and a supporting structure are obtained; then a plane strain mechanical analysis model of the tunnel-grouting body-surrounding rock-supporting structure is established; a finite element numerical simulation calculation model is established based on the model, and mechanical responses of various special-shaped grouting body sections under the same grouting amount are analyzed; comprehensively evaluating and preferably selecting an optimal grouting body section form by taking mechanical response data as a judgment index and adopting a multi-index decision-making method such as an analytic hierarchy process; and finally, anchor rod arrangement and grouting parameters are determined according to the optimized section for construction, and a closed special-shaped grouting body is formed. According to the special-shaped grouting anchor rod supporting system and the model selection construction method, active optimization of surrounding rock stress distribution is achieved, plastic zone development and tunnel deformation are effectively controlled, and the supporting effect and economical efficiency are improved.

The utility model relates to an extrusion container structure applied to an extruding machine, which is characterized by comprising an extrusion container body, a convex baffle ring and a T-shaped clamping bracket are respectively arranged on the outer circumferential surface of the extrusion container body, at least one detachable blocking and clamping block is embedded in the T-shaped clamping bracket, and a clamping groove is reserved between the blocking and clamping block and the convex baffle ring. According to the utility model, the extrusion cylinder can be conveniently mounted and positioned through few components, so that the material consumption can be reduced, the manufacturing difficulty and the manufacturing cost can be reduced, and the manufacturing efficiency can be improved; the device has the advantages of simple structure, convenience in assembly and disassembly, high reliability, high applicability and the like.

This utility model relates to the field of steel formwork support technology, specifically to a steel formwork support structure for shear walls, including a steel formwork and a support assembly. The support assembly includes multiple support leg structures, support seats, connecting rod structures, and support rod structures. The multiple support leg structures are spaced apart below the support seats. One end of the connecting rod structure is fixedly connected to the side of the support seat, and the other end of the connecting rod structure is detachably connected to the steel formwork. The support rod structure includes a rotating rod, an adjusting rod group, and an outer rod. The bottom of the rotating rod is rotatably connected to the support seat. The adjusting rod group is located between the rotating rod and the support seat. The outer rod is threadedly connected to the rotating rod and is located outside the rotating rod. The steel formwork has a slot, and the end of the outer rod away from the rotating rod is located inside the slot. Because the connecting rod structure connects and limits the steel formwork, the entire support assembly will not shake during the support of the steel formwork, thereby improving the support effect.