66results about How to "Avoid extrusion damage" patented technology

The invention belongs to the technical field of underground gas storage, and particularly relates to a long-term efficient hydrogen storage composite lining structure for an underground rock cavern and a preparation method of the long-term efficient hydrogen storage composite lining structure. The long-term efficient hydrogen storage composite lining structure for the underground rock cavern comprises surrounding rock and an internal composite structure of the surrounding rock. The surrounding rock reinforcing layer is formed by pressure pre-grouting in surrounding rock and can resist tensile stress transmitted to the surrounding rock by internal air pressure and enhance air tightness; the permeable layer is arranged on the inner side of the surrounding rock reinforcing layer and can discharge underground water to prevent hydrostatic pressure from causing extrusion deformation damage to the concrete bearing layer during construction and causing instability of the sealing steel lining; the reinforced concrete bearing layer is arranged on the inner side of the permeable layer and the outer side of the slip layer, and micro self-healing capsules capable of repairing cracks and enhancing sealing performance are evenly added in the injection molding process; the anti-drag sliding layer is arranged between the steel lining and the bearing layer and inhibits shear damage of the sealing steel lining to the bearing layer under high internal pressure; the steel lining sealing layer is arranged on the inner side of the sliding layer to bear part of gas load and seal gas.

The utility model discloses a biscuit packaging quality detection device which comprises a detection table and further comprises a detection assembly arranged on the detection table and used for detecting the sealing state of biscuit packaging, and the detection assembly is provided with a control assembly for pressure control in the detection process. According to the biscuit package quality detection device, in the process of detecting the sealing quality of the biscuit package, the biscuit package to be detected is extruded and subjected to pressure maintaining treatment through the detection assembly and the control assembly, whether the sealing quality of the biscuit package is qualified or not is judged, and in the pressurizing process, the biscuit package is subjected to pressure maintaining treatment; when the internal pressure of the detection cylinder rises to a certain degree, the internal pressure does not continue to rise, so that pressure control in the detection process is realized, and the pressurization pressure in the detection process is ensured and the detection effect is ensured while the to-be-detected biscuit package is prevented from being extruded and damaged due to overlarge pressurization pressure.

The utility model relates to the technical field of bridge supporting, and provides a cable-stayed bridge cable bent tower beam high-altitude steel supporting structure which comprises a main beam, a cable bent tower and a stay cable, the cable bent tower and the stay cable are fixedly connected with the main beam, a bearing column is fixedly installed at the bottom of the main beam, two first L-shaped plates are fixedly installed at the bottom of the main beam, and the first L-shaped plates are fixedly connected with the bearing column. The two L-shaped plates I are fixedly mounted on the two sides, close to the lower end, of the bearing column and are symmetrical, and the two L-shaped plates II are fixedly mounted on the two sides, close to the lower end, of the bearing column and are symmetrical; the two connectors are embedded into T-shaped grooves formed in the outer surfaces of the two first L-shaped plates and the two second L-shaped plates through T-shaped plates correspondingly, the opposite faces of the two connectors are movably connected with supporting rods, the supporting rods can play a supporting role to improve the bearing capacity of the main beam, a connecting plate can be pulled through a handle to drive a limiting pin to move out of a round hole, and therefore the supporting effect is achieved. And the number of the supporting rods can be adjusted according to requirements, so that the bearing capacity of the main beam is improved.

This utility model discloses an environmentally friendly and impact-resistant battery pack transport packaging structure, including two side packaging blocks. Each side packaging block has a placement groove. The two ends of the battery pack are respectively placed into the placement grooves on the two side packaging blocks. An upper packaging plate is placed on the battery pack and located between the placement grooves on the two side packaging blocks. The two side packaging blocks, the battery pack, and the upper packaging plate are placed together in an outer packaging box. This utility model, with side packaging blocks, an upper packaging plate, and an outer packaging box, uses the placement grooves on the two side packaging blocks and the upper packaging plate to surround and fix the battery pack. Then, the two side packaging blocks, the battery pack, and the upper packaging plate are placed together in the outer packaging box, realizing the overall packaging of the battery pack. This effectively avoids the problem of squeezing and breaking or crushing of the battery pack during transportation, improves the transport packaging effect of the battery pack, and thus improves the transport reliability and safety of the battery pack.

The application provides an improved method for a ceramic matrix composite integral blade disc, comprising the following steps: preparing a fiber preform according to the blade distribution density and the blade profile cross-sectional shape; obtaining a first integral blade disc according to the fiber preform; and setting a claw-shaped boss on the surface of the first integral blade disc to obtain a target integral blade disc; wherein the integral blade disc comprises a disc, N blades and a claw-shaped boss, and the disc and the claw-shaped boss are both made of a ceramic matrix composite. The ceramic matrix composite integral blade disc obtained from the fiber preform in the application can greatly improve the load capacity of the integral blade disc at the hub and the blade root part, and simultaneously reduce the difficulty and cycle of processing. Meanwhile, the claw-shaped boss set on the surface of the disc can effectively avoid the extrusion damage of the disc caused by the shaft deformation, and realize the effective force and torque transmission between the integral blade disc and the shaft.

The utility model discloses an anti-backflow medical drainage bag, relates to medical drainage bag technical field, one side of drainage bag main part is fixedly connected with the protection mechanism, and the protection mechanism includes the protection frame that is fixedly connected to drainage bag main part outer surface position, one side of the protection frame is fixedly connected with the fixed block, and the fixed block is fixedly connected with the drainage bag main part. The inner surface of the fixing block is rotationally connected with a rotating shaft, one side of the rotating shaft is fixedly connected with an adsorption disc, one side of the drainage bag body is fixedly connected with a load reducing mechanism, the drainage bag body is a sterile drainage bag, the transparent material is silica gel, the drainage bag body has non-toxic and high-temperature-resistant performance, and the protection frame is hard in material and light in weight; the rotating shaft can adjust the angle of the adsorption disc. Compared with an existing common drainage bag, the anti-backflow medical drainage bag has the advantages that collision and extrusion damage occur, the possibility that the drainage bag is punctured by sharp objects is reduced, the firmness of the drainage bag is improved, the problem of overload of the drainage bag is avoided, and the flowing smoothness of liquid in the drainage tube is guaranteed.

This utility model relates to the field of mung bean cake packaging technology, and more particularly to a mung bean cake packaging with a preservation function. The technical solution includes: a packaging box, the packaging box including a box bottom, side panels rotatably disposed on both the left and right sides of the box bottom, a box lid rotatably disposed on the side of the two side panels that are far apart from each other, a box body disposed on the top surface of the box bottom, a buffer layer disposed inside the box body, and a preservation box disposed inside the buffer layer, the preservation box including a second box lid and a second box body. This utility model, by incorporating a humidity regulating bag, can absorb excess moisture inside the packaging, controlling the humidity within a suitable range, preventing the mung bean cake from becoming moldy and spoiled due to dampness, and can also reduce the oxygen content inside the packaging, further inhibiting the growth of microorganisms. The packaging box and buffer layer provide good compressive strength, effectively preventing external pressure from compressing and damaging the mung bean cake inside.

This utility model discloses a temperature and humidity control warehouse for storing premium soybeans, including a chassis, a placement compartment, and a temperature and humidity control mechanism. The outer compartment of the placement compartment is inserted into the chassis, and the top of the reinforcing frame on its inner wall is equipped with hooks, allowing for overall loading and unloading via hoisting equipment. The perforated panels inside the placement frame are used to stack bagged premium soybeans. The temperature and humidity control mechanism includes a humidification ring pipe and a heat dissipation cover. The humidification ring pipe supplies water through an inlet pipe, and nozzles spray humidification. A fan inside the heat dissipation cover works with a ventilation filter to create air circulation, maintaining stable temperature and humidity within the warehouse. This warehouse achieves rapid loading and unloading of large quantities of premium soybeans through mechanized hoisting, improving loading and unloading efficiency, reducing labor costs, and ensuring a constant temperature and humidity environment within the warehouse, reducing the impact of temperature and humidity fluctuations on the quality of the premium soybeans. It is suitable for storing premium soybeans.

The present invention discloses a panel structure of a rockfill dam with a self-pressurizing water stop, which belongs to the technical field of water conservancy engineering, and includes a protective panel, a first water stop component and a second water stop component. The number of protective panels is multiple and they are used to cover the surface of the rockfill dam. A vertical seam is formed between two adjacent protective panels. A water diversion pipe is provided inside one of the protective panels. One end of the water diversion pipe passes through the front of the protective panel, and the other end of the water diversion pipe passes through one end of the protective panel in the horizontal direction and is connected to the vertical seam. The first water stop component is arranged at the top of the vertical seam and closes the vertical seam. The second water stop component is arranged inside the vertical seam and corresponds to the water diversion pipe. It has a good sealing effect at the vertical seam, and can better prevent water from leaking from the vertical seam. Moreover, the first water stop component and the second water stop component can adapt to the deformation of the vertical seam between the two panels, and prevent the protective panel from being squeezed and damaged at the vertical seam.

The utility model relates to the technical field of permanent magnet synchronous motor production, in particular to a rotary clamping device for low-speed large-torque permanent magnet synchronous motor stator winding wire arrangement, which comprises a mounting seat, a motor plate, a motor, a driving gear, a shielding ring, a fixing mechanism and a mounting shaft. The motor is mounted at the bottom of the motor plate, the driving gear is mounted at the output end of the motor, the shielding ring is connected with the top of the mounting seat, the mounting shaft is fixedly arranged on the inner side of the bottom of the mounting seat, and the device supports and tensions the inner side of a motor stator winding wound with a copper wire, so that the effect of effectively and stably fixing the stator winding from the inside is achieved; and through rotation of the motor, slow rotation of the stator winding can be controlled, working areas can be rapidly switched, wire arrangement work is facilitated, gear connection positions are effectively shielded, copper wires are prevented from falling and being extruded and damaged by the gear connection positions, workers are prevented from making contact with meshing positions, and the use safety of equipment is improved.

This invention discloses a stator assembly and a dual-channel rotary transformer. It includes: a rotor assembly having one pair of poles and multiple pairs of poles; a stator assembly having a stator bushing capable of circumferentially mounting a first stator winding and a second stator winding, the first and second stator windings respectively corresponding to the one pair of poles and multiple pairs of poles, capable of identifying coarse and precision angle ranges; a first wiring harness assembly connecting the first stator winding and a second wiring harness assembly connecting the second stator winding; the stator bushing includes a bushing body for rotating components to pass through, the outer circumference of the bushing body having a first shoulder for mounting the first stator winding and a second shoulder for mounting the second stator winding along the height direction, the first and second shoulders being spaced apart in layers; and the projections of the first and second stator windings along the central axis of the bushing body substantially overlap.

The application provides a composite cable for electric vehicle charging piles and a preparation method thereof, wherein a semi-conductive buffer layer is arranged outside the cable core and is formed by overlapping and wrapping a first semi-conductive buffer water-blocking belt, a semi-conductive buffer belt and a water-blocking and flame-retardant composite belt in sequence, so that the semi-conductive buffer layer has multiple properties of buffering, water-blocking and flame-retardation, can buffer the mechanical extrusion stress generated by the bending, dragging and rolling of the composite cable, effectively prevents the extrusion damage of the insulation shielding layer and the cable core, and has excellent water-proof and flame-retardant properties. Meanwhile, the flame-retardant insulation sheath is prepared from polyether thermoplastic polyurethane, ethylene-vinyl acetate copolymer, a compatibilizer, a flame retardant, a foaming agent and an antioxidant, and a buffer bubble cavity is formed in the flame-retardant insulation sheath, so that the flame-retardant and bending-resistant properties of the composite cable are further enhanced, and the outdoor service life of the cable is significantly prolonged.

The utility model relates to the technical field of fabricated wall bodies, in particular to a novel integrated fabricated wall body of a building thermal insulation structure, which adopts a mode of assembling glass in the later period to form a reliable fabricated wall body with large-breadth glass, and is good in practicability. Comprising a framework and two window frames, the window frames are arranged on the front side and the rear side of the framework, and the two window frames are aligned front and back; the glass window further comprises a main body, two glass frames, two sealing rubber rings, two pieces of glass and mounting mechanisms, the main body is arranged on the framework and surrounds the outer sides of the two window frames, a heat preservation foam layer and a concrete layer are arranged in the main body, and the two glass frames are embedded in the two window frames through the mounting mechanisms respectively. Sealing rubber rings are arranged at the joints of the two glass frames and the two window frames, and the two pieces of glass are installed in the two glass frames respectively.

The utility model relates to the technical field of automobile front anti -collision beam, specifically is a kind of automobile composite material front anti -collision beam assembly structure, including front anti -collision beam and its installation on the protection mechanism, buffer mechanism, mounting mechanism of front anti -collision beam, protection mechanism includes casing, casing is sleeved on front anti -collision beam, two limit slots are oppositely set up on casing, the side wall of casing is equipped with foam board, buffer mechanism is installed on front anti -collision beam, buffer mechanism includes energy-absorbing box, the top of energy-absorbing box, bottom and the top of front anti -collision beam, bottom are all set up with mounting hole, energy-absorbing box is fixedly connected between through bolt one and mounting hole and front anti -collision beam, by being sleeved with a foam board outside front anti -collision beam, and foam board is positioned by energy-absorbing box, ensure that foam board and front anti -collision beam connection fastening, ensure that vehicle when colliding buffer protection to front anti -collision beam, avoid foam board being pushed out and lead to other parts being extruded damaged.

The utility model provides an anti-freezing ice blowing system for a pumped storage power station. The anti-freezing ice blowing system comprises a temperature sensor, an air tank, an air delivery pipe, an electric valve, an air nozzle, a control box, a signal cable and a liquid level transmitter, a row of air sprayers are fixedly mounted below the anti-freezing ice-blowing water surface, and the air spraying directions of the air sprayers face the anti-freezing ice-blowing water surface; the air nozzle is connected to the air tank through an air delivery pipe; an electric valve is installed on a pipeline of the gas conveying pipe. According to the anti-freezing ice blowing system of the pumped storage power station, the outdoor air temperature is monitored, the anti-freezing ice blowing system is started in time to disturb the water surface, the water surface can be effectively prevented from freezing, extrusion damage caused by ice covers formed near a building and a gate is avoided, accidents are prevented from expanding, and the anti-freezing ice blowing system has the advantages of being simple in structure, small in occupied area and high in practicability. The device is economical and practical, has good anti-freezing and ice-blowing effects, and can operate continuously.

This invention provides a gripping device for removing cards from a card slot, relating to the field of card storage production and processing technology. It includes a robotic arm, an upper gripper block, a tensioning spring, and a lower gripper block. The upper gripper block is fixedly mounted at the end of the robotic arm, and the lower gripper block is rotatably mounted at the end of the robotic arm and located below the upper gripper block. One end of the tensioning spring is fixedly connected to the lower gripper block, and the other end is fixedly mounted at the end of the robotic arm or on the upper gripper block. The front ends of both the upper and lower gripper blocks have wedge-shaped structures with a guiding function. The tensioning spring maintains a constant clamping state between the upper and lower gripper blocks. This invention avoids the damage caused by excessive card compression due to excessive force in traditional devices, reduces gripping failures caused by misaligned or slightly deformed cards in the card slot, and minimizes paper jams caused by simultaneously gripping multiple cards. The device is smaller and less expensive.

The utility model relates to a kind of thermal insulation pipeline support device, including pipeline, several groups of first floating magnetic ring, second floating magnetic ring and the U-shaped support seat corresponding with keeping overall stability being located below second floating magnetic ring are sequentially arranged along pipeline axis direction, first floating magnetic ring is supported by magnetic suspension, adjusting ring is fixed between second floating magnetic ring and U-shaped support seat, first transmission shaft and second transmission shaft drive adjusting ring make its first floating magnetic ring and second floating magnetic ring form annular non-contact support along the direction of turning on pipeline, by the direction of turning on pipeline of first floating magnetic ring and second floating magnetic ring, by magnetic repulsion reaction, annular non-contact support is formed, magnetic suspension support replaces rigid metal contact, there is no direct heat conduction path between pipeline and support structure, combined with aerogel flexible sleeve heat loss reduction, realize support stability performance.

The utility model relates to the technical field of display screens, in particular to a novel waterproof touch display screen which comprises a display screen body, the upper surface and the lower surface of the display screen body are fixedly connected with cover plates, the outer end of the display screen body is connected with frame assemblies in a matched mode, and the frame assemblies are arranged along the edge of the outer end of the display screen body. The cover plate and the upper and lower surfaces of the display screen main body are adhered and connected through an external transparent adhesive, and the display screen main body comprises a liquid crystal display module and a capacitive sensing layer. The effect of protecting the surface of the display screen body is achieved through the cover plates located on the upper surface and the lower surface of the display screen body, meanwhile, adaptive installation of the frame assembly and the display screen body is facilitated, and extrusion damage to the edge position of the display screen body by the frame assembly is avoided.

The application belongs to the technical field of sports equipment production, and particularly relates to a feather combing and shearing integrated device, which comprises a workbench, the upper end face of the workbench is provided with a conveying device, the upper side of the conveying device is provided with a U-shaped plate, the two ends of the U-shaped plate are fixedly connected with the workbench, one side of the inner side of the U-shaped plate is provided with a feather combing device, and the other side of the inner side of the U-shaped plate is sequentially provided with a shearing device and a hair suction device. The feather combing device can not only position-limit the feather extrusion on the conveying device, so as to avoid the feather on the conveying device from stopping moving forward or leftward or rightward during the combing process, thereby affecting the combing efficiency and combing effect of the feather, but also make the extrusion spring in the feather combing device play a buffering role when the rolling wheel extrudes the feather, so that the phenomenon that the feather is extruded and damaged by the rolling wheel can be avoided.

The utility model discloses a wire harness with a pulling-resistant structure, and particularly relates to the technical field of automobile electronic wire harnesses, the wire harness comprises a box body and a wire harness arranged in the box body in a penetrating manner, one side end of the box body is movably connected with a cover plate, and the inner walls of the two end parts of the box body are respectively provided with a wire inlet positioning mechanism and a wire outlet positioning mechanism; the incoming line positioning mechanism and the outgoing line positioning mechanism are each composed of two positioning assemblies symmetrically connected to the two inner walls of the box body, a fixing column is fixedly arranged at the position, close to the inner side of the incoming line positioning mechanism, of the interior of the box body, and the fixing column is sleeved with a volute spiral spring. According to the utility model, wire harnesses with different thicknesses can pass through the wire harness box for use, when the wire harnesses are subjected to pulling forces in different directions, the wire harnesses can be prevented from being extruded and damaged by edges, and the arranged volute spiral spring and the buffer assembly can increase the buffer length of the wire harnesses in the box body and the buffer length of the wire harnesses when the wire harnesses are pulled, so that the wire harnesses are prevented from being damaged. And after the pulling force is finished, the wire harness can be automatically reset, so that the pulling resistance of the wire harness is further improved.

The present invention discloses an assembled floating plate track structure adapted to the driving direction, including a lower foundation and a floating plate structure, wherein the floating plate structure includes a plurality of floating plates overlapped together, each floating plate includes a floating plate body and a rectangular parallelepiped staggered platform integrally arranged on the floating plate body, and for any two adjacent floating plates, each floating plate is provided with a staggered platform on a side close to the other floating plate, and each staggered platform extends in a direction close to the other floating plate, wherein the staggered platform on one floating plate is placed on the staggered platform of the other floating plate; the extension direction of the upper staggered platform on the floating plate body is consistent with the driving direction of the train, and the thickness of the upper staggered platform is less than the thickness of the lower staggered platform. The present invention improves the construction accuracy and stability of the floating plate, meets the special vibration reduction requirements of rail transit, and can improve the stability of the track structure while reducing the workload of on-site construction.

The invention discloses a titanium-based noble metal anode argon arc detection device, and relates to the technical field of titanium tube anode detection. The titanium-based precious metal anode argon arc detection device comprises a detection table, a plurality of supports are slidably arranged on the upper end face of the detection table at equal intervals through sliding parts, each support is provided with a containing part used for containing a titanium tube anode, and a self-adjusting pushing part comprises a plurality of rail grooves which are formed in the upper end face of the detection table at equal intervals and are in one-to-one correspondence with the supports in position. According to the titanium tube anode plugging device, the plugging strokes of a plurality of titanium tube anodes with different lengths can be adjusted in a self-adaptive mode, the plugging thrust on the titanium tube anodes is basically kept consistent, the plugging force applied to the titanium tube anodes can be adjusted in a self-adaptive mode, and the plugging force applied to the titanium tube anodes can be adjusted in a self-adaptive mode. Strokes do not need to be set for a single titanium tube respectively, blocking can be conducted from the inner side and the outer side of the anode port of the titanium tube at the same time, blocking stress is more uniform and stable, and therefore stability and accuracy of welding seam pressure maintaining detection are improved.

The utility model relates to DTY volume transportation field, concretely is DTY tray, DTY tray, be provided with at least one the extension tray between lower tray and tray upper cover, lower tray, a plurality of the extension tray and tray upper cover are stacked in proper order, and the upper surface of lower tray, the upper surface of extension tray, the lower surface of extension tray and the lower surface of tray upper cover all are provided with a plurality of DTY volume limiting and fixing limiting assembly, the limiting assembly includes cylindrical limiting slot, and the annular guide groove that sets up around limiting slot, through the structure of limiting slot and annular guide groove, the upper and lower sides of DTY volume are limited and fixed, limiting slot is limited and fixed to DTY volume winding reel part, and the bevel of annular guide groove can be contacted with the outer edge of DTY volume cake part, when limiting assembly is limited to DTY volume, relative to the limiting structure of traditional foam board more not easy to damage, has longer life.

This invention relates to the field of cutting equipment technology and discloses a fixed-length cutting device for glass tube processing based on laser cutting. A laser is bolted to one side of the worktable, and a positioning component is provided on one side of the upper end of the worktable. A hydraulic rod and a driving component are fixedly installed inside the worktable, and a fixed-length component is provided at one end of the hydraulic rod. The fixed-length component includes a collar rotatably connected to the hydraulic rod. Multiple sets of conveying mechanisms are symmetrically arranged on the inner wall of the collar, and a cleaning component is provided on one side of the collar. The conveying mechanism includes an elastic element connected to the inner wall of the collar. A roller is sleeved in the middle of the outer wall of the elastic element, and clamping components are provided on both sides of the outer wall of the elastic element. This realizes fully automated batch processing of fixed-length feeding, rotary cutting, resetting cleaning, and fixed-length feeding, reducing manual intervention.

This application relates to an anti-slip and anti-collision pusher for a cartoning machine. The pusher body is detachably mounted on the output end of the pusher arm of the cartoning machine. Symmetrical material trough guides are provided on the outer walls of both sides of the pusher body along the pushing direction. The pusher body reciprocates within the material trough via the material trough guides, pushing the product to be packaged into the packaging box through the material pushing surface. A limiting block protruding from the material pushing surface is also provided at the outer end of the material trough guides. An anti-collision ramp is also provided on the top of the pusher body, located above the material pushing surface. The anti-collision ramp is inclined away from the pushing direction of the pusher body and is connected to the material pushing surface. The pusher body guides the product to be packaged smoothly into the packaging box through the anti-collision ramp. This application can accurately limit the lateral displacement of the product strip through the lateral constraint of the limiting block, preventing it from sliding into the angle area between the pusher body and the packaging box and being squeezed and damaged. This design improves the working efficiency and packaging effect of the entire packaging production line.

The utility model discloses a mounting structure of an explosion venting integrated plate of an outer wall of an industrial factory building, which belongs to the technical field of buildings, comprises a mounting keel and a mounting corner connector, and is characterized in that the mounting corner connector is fixedly connected onto the mounting keel; the installation corner connector comprises a vertically-arranged connecting plate base part, a transverse supporting plate part perpendicular to the connecting plate base part, an upper opening plate part and a lower opening plate part, and the upper opening plate part and the lower opening plate part are perpendicular to the transverse supporting plate part. The upper end edge of the outer wall explosion venting integrated plate is provided with an upper positioning clamping groove matched with the lower opening plate part, and the lower end edge of the outer wall explosion venting integrated plate is provided with a lower positioning clamping groove matched with the upper opening plate part. The heat-insulating integrated plate is hung on the mounting keel fixed on the outer wall through the mounting corner connector, so that the mounting and the subsequent maintenance are very convenient.

This utility model relates to the field of road engineering technology and discloses a frost heave and differential settlement control structure suitable for culvert sections in cold regions. The structure, from top to bottom, includes a roadbed, a fill matrix, a stepped aggregate layer, a stepped high-strength foamed concrete layer, and a culvert. A main drainage pipe is inclinedly arranged in the aggregate layer, and lateral drainage pipes are provided on both sides of the roadbed slopes to drain moisture from the roadbed. The high-strength foamed concrete layer is laid above and on both sides of the culvert, providing good thermal insulation to address freezing issues exacerbated by wind tunnel effects, and buffering the frost heave force of the surrounding soil to prevent direct frost heave force from causing compression damage to the culvert structure. This structure forms a multi-level stiffness transition from flexible to semi-rigid along the culvert transition section of the roadbed, reducing differential settlement and misalignment risks at the connection between the culvert and the roadbed, improving the overall stability of the roadbed and driving safety. The overall structure is reliable, easy to construct, and suitable for widespread application in cold regions.

The utility model relates to a quick mould changing mechanism for mould moving of a foam forming machine, which comprises a mould moving assembly, the mould moving assembly comprises a mould moving seat and a mould mounting frame for mounting a mould assembly, the mould mounting frame is connected with the mould moving seat through a detachable structure, and the detachable structure comprises a plurality of lock hooks and mounting grooves which are correspondingly arranged on the mould mounting frame and the mould moving seat. The lock hooks penetrate into the mounting grooves to connect the mold mounting frame and the mold moving seat, the interiors of the mold mounting frame and the mold moving seat are both of hollow structures, the mold mounting frame and the mold moving seat are both provided with air inlet pipes, water inlet pipes and water outlet pipes which are correspondingly arranged, molds and pipelines are integrated through the modular mold mounting frame, and the mold changing process of integral hoisting and one-key locking is achieved.

The invention relates to the technical field of high-viscosity fluid low-speed driving, aims to solve the problem of continuous low-speed supply of high-viscosity fluid, and discloses a high-viscosity coupling fluid coupling driving device which comprises a transmission machine cover shell assembly and a coupling fluid cylinder assembly connected with the transmission machine cover shell assembly. A power execution assembly and a transmission assembly which are in transmission connection are installed in the transmission machine cover shell assembly, the transmission assembly is provided with a propelling head, and the power execution assembly drives the propelling head to evenly extrude high-viscosity coupling fluid in the coupling fluid cylinder assembly and convey the high-viscosity coupling fluid to the surface of an ultrasonic probe. The coupling device is used for realizing coupling of the ultrasonic probe and a detected workpiece. The flow of high-viscosity coupling fluid can be adjusted, low-speed continuous and uniform supply is achieved, it is guaranteed that a thin layer of coupling fluid is formed between the ultrasonic probe and a detected workpiece, and the good coupling effect is achieved.

The utility model relates to the technical field of waterless toilet, disclose orthopedic assembly and incineration type closestool. Orthopedic assembly includes base, first drive part and a plurality of fins, base is used for setting in closestool seat inside, including the falling mouth, a plurality of fins articulate in the top of base, a plurality of fins are arranged around the falling mouth along the circumference, first drive part is used to drive the fin to overturn, to make each fin gather or unfold. The fin first turns over and unfolds to the outside, and the collecting bag is placed on the fin, and the fin holds the bottom of the collecting bag, so as to keep the collecting bag in the unfolded state when the user excretes, after excretion is completed, the fin gathers to the inside, drives the collecting bag to gather together, makes the appearance size of collecting bag reduce, and reduces the friction force that the fin exerts to the collecting bag, thereby guaranteeing that the collecting bag can smoothly fall through the falling mouth.