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138 results about "Collapsed cavity" patented technology

A temporary arch protection structure in tunnel initial support arch replacement construction

The utility model discloses a tunnel initial stage support arch replacement construction in -between temporary arch protection structure, include: the lower support seat, install multiple sets of hydraulic lifting mechanism A on it, the upper support seat supports on hydraulic lifting mechanism A, and through multiple sets of hydraulic lifting mechanism A height lifting adjustment, install multiple sets of hydraulic lifting mechanism B on the upper support seat, and the upper end of each set of hydraulic lifting mechanism B is fixedly installed with the arch protection frame support groove with inclined recess cavity, is used for supporting the arch protection frame, the arch protection frame is erected on the arch protection frame support groove, the height position of the arch protection frame can be accurately adjusted to adapt to the design requirement of different tunnel section and the change of construction stage through multiple sets of hydraulic lifting mechanism A on the lower support seat height lifting adjustment of the upper support seat, cooperates hydraulic lifting mechanism B on the upper support seat, greatly improves the applicability and versatility of temporary arch protection structure under different working conditions, reduces the construction difficulty and error due to height mismatch, improves construction efficiency and quality.
Owner:SICHUAN ROAD & BRIDGE EAST CHINA CONSTRUCTION CO LTD

TBM gripper shoe self-adaptive step changing device, control system and method

The invention discloses a TBM gripper shoe adaptive step changing device, a control system and a method, and relates to the technical field of tunneling equipment automation, the TBM gripper shoe adaptive step changing device comprises a data acquisition module (laser radar array), a data processing module (point cloud denoising and feature extraction) and a control module (path planning and hydraulic servo control); according to the method, the surface of surrounding rock is scanned in real time through a laser radar, the characteristics of a steel arch and a collapse cavity are recognized in combination with an improved RANSAC algorithm and PointNet + +, a collision-free step changing path is automatically planned according to matching conditions, and displacement of an oil cylinder is accurately controlled through PID; the problems that traditional manual operation is low in positioning precision, cavity collapse response lags behind, and efficiency is limited are solved, and the safety and efficiency of TBM continuous tunneling are remarkably improved.
Owner:CHINA RAILWAY TUNNEL GROUP CO LTD +1

Evaporator, evaporation assembly and ice-lolly maker

The evaporator comprises a container main body, a cover body and a sealing piece, the container main body comprises a containing part and a first convex edge part which are connected, the first convex edge part is arranged in a protruding mode relative to the outer periphery of the containing part, the containing part is provided with a containing cavity, and the containing cavity is used for containing refrigerating fluid; the cover body comprises a cover main body and a second convex edge part, the second convex edge part is connected with the first convex edge part, the cover main body is provided with at least one profiling bulge which is convexly arranged towards the cavity bottom of the accommodating cavity, each profiling bulge is provided with a concave cavity with one closed end, and the concave cavities are used for accommodating parts to be cooled; the sealing piece is arranged between the first protruding edge part and the second protruding edge part and surrounds the containing part. By the adoption of the structure, refrigerating fluid in the evaporator is isolated from the outside, the risk that the refrigerating fluid leaks and makes contact with ice-lolly liquid is reduced under the action of the sealing piece, safety performance is improved, and user experience is improved.
Owner:SHENZHEN INTELLIROCKS TECH CO LTD +1

UPVC (unplasticized polyvinyl chloride) pipe bonding auxiliary device

ActiveCN224116755UMake sure the angle meets your needsSolve deviationPipe fittingCollapsed cavity
The utility model discloses a UPVC pipe bonding auxiliary device relates to pipeline installation field, including slide rail, pipeline support block and two bonding direction adjusting block, be equipped with three slider on the slide rail, slider can freely slide along the slide rail, pipeline support block corresponds with the middle slider, its top is equipped with the semicircle concave cavity that is used for supporting UPVC pipeline, and the two bonding direction adjusting block is equipped with the semicircle concave cavity that is used for supporting the UPVC pipeline. Through the design of the pipe fitting concave cavity formed by combining the cross-shaped concave cavity and the round concave cavity at the bottom, the bonding direction adjusting block can position and support the UPVC pipe fittings, the angle between the two UPVC pipe fittings in the bonding process is ensured to meet the requirements (such as 0 degree, 90 degrees and 180 degrees), the problem of deviation caused by manual naked eye judgment is thoroughly solved, the production efficiency is improved, and the production cost is reduced. And it is ensured that the bonded pipeline is installed in place at a time, reworking is avoided, waste of materials is reduced, and working efficiency is improved.
Owner:KAIFENG SHIDAI NEW ENERGY TECH CO LTD

Ring main unit convenient to install

The utility model discloses a ring main unit convenient to install, which comprises a cabinet body and a base, four corners of the base are provided with liftable universal wheels, buffer springs are arranged between the universal wheels and the base, the base is provided with a concave cavity which is used for accommodating the cabinet body and is provided with a notch, and the concave cavity is provided with a groove. A concave cavity is formed in the base, guide faces are arranged on the two sides of an inlet of the concave cavity, a rotatable baffle is arranged on one side of the inlet of the concave cavity, the baffle is fixedly connected with the other side of the base through a fastening screw, liftable mounting plates are arranged on the two sides of the base, threaded holes are formed in the two sides of the base, and threaded rods are arranged in the threaded holes. The installation position of the ring main unit is convenient to move and adjust through the universal wheels, the influence of vibration generated during movement on the cabinet body is reduced through the buffer springs, the cabinet body and the base are prevented from being centered through the guide face, inclination caused by excessive stress on one side of the base is prevented, and the cabinet body is prevented from being separated from the concave cavity through the baffle. The product has the advantages of buffering function, convenience in installation, stability in movement and the like.
Owner:GONGHONG ELECTRIC APPLIANCE CO LTD

Production mold for split-type grit-textured packaging bottle

A production mold for a split-type grit-textured packaging bottle includes fixed-mold and movable-mold assemblies. The fixed-mold assembly has top and bottom provided with injection channel and fixed-mold A plate respectively. Fixed-mold insert(s) installed in the fixed-mold A plate communicates with the injection channel, and corresponds to a concave cavity having bottom consistent with product's closed end in shape. Two inclined guide pillars are provided the concave cavity's two sides. The movable-mold assembly's top has a movable-mold B plate provided with a B-plate insert with a concave cavity-facing mold core. The B-plate insert's end relative to the product forms internally as an inverted cone structure. A pushing assembly includes a movable-mold push plate movable on the movable-mold B plate and having a top provided, relative to the concave cavity, with side sliders for correspondingly driving the guide pillars. Sliders'product-facing sides have structures matching grit texture on the product's outer wall.
Owner:SHENZHEN PORSHEALTH BIOENGINEERING CO LTD

A knuckle, a front suspension system and a vehicle

ActiveCN224409372UCollapsed cavityDamper
The utility model discloses a knuckle, front suspension system and car, including the knuckle body of casting forming, knuckle body is equipped with by the bearing mounting hole of outside extension to the back side, the back side of knuckle body is equipped with the recessed cavity of recessing to the outside side in the position of corresponding bearing mounting hole, the cavity wall of recessed cavity forms encircling type reinforcing rib, the top of knuckle body is equipped with damper mounting part, and the damper mounting part extends upward from the top of knuckle body, and the inside of damper mounting part is equipped with hollow recess, and hollow recess forms hollow entrance in the cavity wall of recessed cavity. The utility model discloses through the implementation of large -area's hole digging weight reduction, and the recessed design is suitable simultaneously, forms certain depth thin wall four -corner surrounding structure, and the reinforcing rib of suitable whole circle slender encircling type, has promoted strength and durability, realizes the balance of light weight and performance. Meanwhile, the hollow casting structure is used to the damper mounting part, and the weight is reduced greatly through the hollow structure.
Owner:GAC HONDA AUTOMOBILE CO LTD +1

Flexible protection device for treating collapsed cavity at top of tunnel

The utility model discloses a flexible protective device for treating a collapsed cavity at the top of a tunnel, which comprises at least two flexible protective nets which are arranged from top to bottom and connected to the inner wall of the collapsed cavity, and the aperture of the lower part of each flexible protective net is smaller than that of the upper part of each flexible protective net. The protective net is composed of a steel wire rope protective net body and a twisted-pair hexagonal flexible net body, the steel wire rope protective net body is formed by rhombic weaving of Galfan coating steel wire ropes, and the twisted-pair hexagonal flexible net body is formed by weaving of A-grade Galfan coating steel wires, overlaps the edge of the steel wire rope protective net body by 10-20 cm and is tied. The steel wire rope protective net is formed by splicing meshes of different specifications, splicing follows a specific principle, and steel wire rope buckles are used for connection. The device is further provided with anchor rods, spring hooks and other components, and the number and size of the components are determined according to the three-dimensional data of the collapsed cavity. Compared with a traditional protective net, the device can effectively absorb rockfall energy, is good in buffering effect, high in adaptability to different collapse cavities, easy and convenient to install and capable of reducing construction risks and guaranteeing tunnel construction and operation safety.
Owner:THE SECOND ENG CO LTD OF CHINA RAILWAY 14TH CONSTR BUREAU CO LTD +1

Upper air outlet type ventilation blade assembly and ventilation window

The utility model discloses an upper air outlet type ventilation blade assembly and a ventilation window, and the upper air outlet type ventilation blade assembly comprises at least two blade groups which are distributed at intervals along the front-back direction; each blade group comprises a plurality of blades which are distributed at intervals in the vertical direction; the section of each blade is of a V-shaped structure, each blade comprises a first plate and a second plate which are sequentially arranged in the front-back direction and form an included angle, a V-shaped cavity with an upward opening is formed between each first plate and the corresponding second plate, the lower end of each first plate extends to be provided with an extension plate, and a concave cavity with a backward opening is formed between each extension plate and the corresponding second plate. A water falling hole capable of communicating the V-shaped cavity with the concave cavity is formed in the second plate piece; the air flow sent out through the blade assembly is in a rising state, the upward air outlet effect is achieved, and when the air flow passes through the extension plate, negative pressure is formed in the concave cavity through the Venturi effect, so that accumulated water flows out of the water falling hole more easily, the water drainage efficiency is improved, and the water accumulation situation is reduced.
Owner:ZHONGSHAN HUAXIA VENTILATION EQUIP CO LTD

Spherical glass sliding door for pleasure boat

The spherical glass sliding door for the pleasure boat comprises a main deck and a boat body, the top of the main deck is fixedly connected with a lower end rail base, the top of the lower end rail base is fixedly connected with a lower end rail, the top of the lower end rail is connected with a glass frame in a sliding mode, and the bottom end of the glass frame is provided with a structural concave cavity. A steel roller assembly is connected into the structural concave cavity through a screw and rolls on the lower end rail, and glass is bonded to the glass frame. The sliding door is designed into a spherical surface, the upper track arc and the lower track arc rotate around the same axis, and the glass is customized into a special shape. The spherical glass sliding door is mounted on the peripheral wall of the passenger cabin in an externally-hung manner, so that the requirements of neat and harmonious appearance and safe and reliable operation of each function after a door is mounted on a sightseeing boat with a special shape are met. Meanwhile, the light transmitting area in the passenger cabin is increased, and the sightseeing experience of tourists is greatly improved.
Owner:WUXI DONGFANG HIGH PERFORMANCE SHIP ENG

Hydrodynamic deep drawing forming die and method for stepped part

The invention provides a hydrodynamic deep drawing forming die and method for a step-shaped part, and relates to the technical field of plate forming. The forming die comprises a male die, an edge pressing part, a female die, a left supporting block capable of moving up and down and a right supporting block capable of moving up and down; the left supporting block is arranged at the left end of the lower surface of the upper step of the male die, the right supporting block is arranged at the right end of the lower surface of the upper step of the male die, a hollow part is defined by the left supporting block and the right supporting block, and the inner wall of the hollow part is attached to the side wall of the lower step of the male die; the outer wall contour of the hollow part coincides with the downward projection of the side wall contour of the upper step of the male die; an inner cavity of the female die is composed of an upper concave cavity and a lower concave cavity, and a fluid channel communicated with the outside is formed in the inner wall of the lower concave cavity. When the forming die provided by the invention is used for forming the stepped part, excessive thinning of a plate and a plate suspension area corresponding to the two layers of stepped fillets of the convex die can be avoided, and wrinkling of the plate suspension area is avoided.
Owner:HARBIN INST OF TECH

Hall element protection seat

The utility model relates to a Hall element protection seat, which comprises a seat body with an inner cavity, mounting plates are respectively arranged on two sides of the periphery of the seat body, a mounting seat is arranged on the side surface of the mounting plate on one side, a concave cavity is arranged on the mounting seat, and a sinking cavity for accommodating a Hall element is arranged at the rear end of the concave cavity. A wire outlet hole is formed in the front end part of the mounting seat at the front end of the concave cavity; and a wire of the Hall element can extend to the front end of the concave cavity along the bottom surface of the concave cavity after being bent and then is led out from the wire outlet hole. According to the utility model, the lead of the Hall element is led out from the wire outlet hole at the front end of the concave cavity, and the peripheral wall of the wire outlet hole is used for limiting the lead, so that the lead cannot be randomly scattered; since the lead wire and the bottom surface of the concave cavity do not need to be bonded by glue, a gluing process in a conventional structure can be omitted, the cost is reduced, the overall aesthetic property of the protection seat is improved, and the lead wire does not fall off in the use process, so that the normal work of the Hall element is effectively ensured.
Owner:CHANGZHOU ZHUOYOU ELECTRIC APPLIANCE CO LTD

Adjusting module for preassembling metering shell

The utility model discloses an adjusting module for preassembling a metering shell, which comprises a metering shell overturning structure and a metering shell tooth expanding structure, the overturning structure comprises an overturning seat, an overturning air cylinder and a profiling tool, the profiling tool is provided with a profiling jacking air cylinder, the overturning air cylinder controls the overturning seat to overturn, and the metering shell tooth expanding structure is arranged on the profiling jacking air cylinder. The metering shell tooth expanding structure can be used for buckling a metering shell which is located on the overturning base and provided with an upward concave cavity to the profiling tool, the metering shell tooth expanding structure comprises a tooth expanding base arranged corresponding to the profiling tool and a tooth expanding air cylinder used for driving the tooth expanding base to horizontally slide, and the tooth expanding base can be driven by the tooth expanding air cylinder to slide to the position over the profiling tool. The tooth expanding seat is provided with a cavity with a downward opening, and the inner contour of the cavity is matched with the outside of the metering shell. Compared with a traditional tooth expanding structure, the tooth expanding structure is combined with the tooth expanding base structure, the external expanding consistency of the metering shell riveting teeth can be fully improved, the subsequent automatic assembling process is better facilitated, the overall structure is compact and flexible, dismounting and mounting are convenient and fast, and good adaptability is achieved.
Owner:QIANWEI KROMSCHRODER METERS CHONGQING

Blister tray with buffer gasket

The utility model relates to the technical field of blister trays, in particular to a blister tray with a buffer gasket, which comprises a rectangular frame, a concave cavity arranged in the middle of the frame, a plurality of support tables respectively arranged on the side edges of the periphery of the concave cavity, and the support tables are protruded upwards from the bottom of the concave cavity. The horizontal plane where the upper end faces of the supporting tables are located is lower than the horizontal plane where the upper end faces of the frames are located, and a notch is formed between every two adjacent supporting tables. A first buffer gasket is arranged on the upper end face of the supporting table; a second groove is further formed between the end, away from the cavity, of the supporting table and the frame. According to the blister tray with the buffer gasket, the friction force between a product and the supporting table is effectively increased, the horizontal movement tendency of the product relative to the blister tray is reduced, shaking and displacement of the product are avoided, and meanwhile collision and friction between the side face of the product and the blister tray can be avoided; the problem that a product is abraded due to collision and friction between the product and the blister tray is solved.
Owner:VARITRONIX HEYUAN DISPLAY TECH

Variable circulation afterburner with outer culvert matched with oil supply and injection switching

The variable-circulation afterburner comprises a flow dividing ring and a flow blocking ring, the inner wall of the flow dividing ring protrudes towards the radial outer side to form an annular concave cavity, a radial injection opening is formed in the peripheral wall of the flow dividing ring, an axial injection opening is formed in the front wall of the concave cavity, and the radial injection opening is communicated with the axial injection opening. The multiple radial injection openings and the multiple axial injection openings are formed in the circumferential direction, and the radial injection openings and the axial injection openings are alternately formed or aligned in the circumferential direction. The flow blocking ring comprises a plurality of flow blocking ring radial windows and a plurality of flow blocking ring axial windows, the flow blocking ring can rotate in the circumferential direction relative to the flow dividing ring, the flow blocking ring can be switched between a flow blocking ring first state and a flow blocking ring second state, in the flow blocking ring first state, the flow blocking ring radial windows and the radial injection openings at least partially coincide, and in the flow blocking ring second state, the flow blocking ring radial windows and the flow blocking ring axial windows at least partially coincide. In the first state of the flow blocking ring, the axial injection opening is blocked by the flow blocking ring, in the second state of the flow blocking ring, the axial window of the flow blocking ring and the axial injection opening are at least partially overlapped, and the radial injection opening is blocked by the flow blocking ring.
Owner:TSINGHUA UNIVERSITY

Anti-theft bottle cap structure

The utility model relates to a kind of anti-theft bottle cap structure, its technical solution main points are: including: upper cover, and lower cover;The upper cover foldable cover is arranged on the lower cover;Its characterized in that, the lower end of the one side of the upper cover is provided with anti-theft structure;The lower cover is provided with the accommodation cavity for accommodating the anti-theft structure;The side wall of the accommodation cavity is provided with the reverse buckle for being buckled with the anti-theft structure;Overall structure is stable, easy to install, anti-theft structure is arranged on the outside, reverse buckle is buckled with anti-theft structure, when opening, anti-theft structure can be stored in the recess cavity of lower cover, can effectively avoid the situation that the content in packaging bottle is polluted appears;Meanwhile, it can prevent collision and scratch in transportation and anti-theft ring falls off.
Owner:MANSHENG PACKAGING SHANGHAI

Steel structure truss reinforcing device

The utility model discloses a steel structure truss reinforcing device, which belongs to the technical field of steel structure reinforcing devices and comprises a clamping seat with a U-shaped structure, and a clamping component is mounted in the clamping seat. By designing a group of adsorption fixing mechanism consisting of the telescopic column, the electromagnet, the spring and the button, the clamping plate moves under the action of the screw block in the process of connecting with the steel column so as to clamp the steel column, and in the clamping process, the electromagnet can extrude the telescopic column and the spring, so that the steel column is clamped. The electromagnet is electrified, the steel column can be attracted and fixed by the electromagnet through the performance of the material of the steel column, then the electromagnet and the steel column are connected, the mode does not need a bolt or welding mode, operation is convenient, the dismounting and mounting efficiency is high, and the dismounting and mounting efficiency is high. And the use performance of the device is effectively improved.
Owner:SINOHYDRO BUREAU 6 CO LTD

Local cavity design method for internal turning inlet cowl lip shock point thermal protection

The application relates to a local cavity design method for internal turning inlet lip point heat protection of a near space hypersonic aircraft. Given an internal contraction reference flow field and a captured inlet shape, an internal turning inlet lip profile is determined according to the intersection line of the reference flow field conical shock wave surface and the captured inlet shape; given an internal turning inlet lip bluntness section, a three-dimensional swept surface of the lip is obtained by sweeping along the internal turning inlet lip profile; the size of a local cavity of the internal turning inlet lip point is specified according to the internal turning inlet lip profile and the lip bluntness section; the swept curve of the internal turning inlet lip point area is reconstructed according to the size of the local cavity, and a local cavity front edge profile of the internal turning inlet lip point is generated; the three-dimensional surface of the internal turning inlet lip point area is reconstructed according to the local cavity front edge profile of the internal turning inlet lip point, and a three-dimensional bluntness lip of the internal turning inlet with the local cavity of the internal turning inlet lip point is generated.
Owner:XIAMEN UNIV

Device and method for forming corrugated pipe by using reclaimed material

PendingCN121447834ADrive shaftCollapsed cavity
The device comprises a feeding injection molding machine, a deslagging assembly and a discharging injection molding machine, the deslagging assembly comprises a base, a main feeding hole is formed in the base, and the sectional area of the main feeding hole is gradually reduced in the direction close to a concave cavity to form a structure with the section close to a rectangle; a main discharge hole is formed in the base, and the main discharge hole is blocked in the middle close to the concave cavity, so that an auxiliary discharge hole is formed in the main discharge hole close to the concave cavity; according to the device, the impurity filtering efficiency can be effectively improved, so that the corrugated pipe production efficiency is greatly improved, a pelletizer is not needed, the investment and energy consumption of equipment are reduced, the production process is simplified, the method does not need to pelletize reclaimed materials, the investment of the equipment is saved, and the production cost is reduced. The method saves energy, and is few in steps and high in efficiency.
Owner:GUANGDONG TONGSU PIPELINE

Construction method and supporting equipment for weak surrounding rock tunnel collapse area

PendingCN121976828AAchieve collaborative stable controlSolve the risk of secondary collapseProtective coversShotcreteCollapsed cavity
The invention provides a construction method and supporting equipment for a weak surrounding rock tunnel collapse area, and the construction method comprises the following steps: S1, after a tunnel collapses, backfilling and back pressing are performed on a cavity collapse area to form a stable slope body; spraying concrete to form a closed surface; s2, a support is built in the tunnel collapse deformation invasion limit area, and supporting is completed; s3, expanding excavation is conducted on the end, away from the closed face, of the tunnel collapse deformation invasion limit area; s4, a pipe shed working chamber is built on the expanding excavation section, and a guide wall is constructed; s5, an advanced pipe shed is constructed on the guide wall, and grouting construction is conducted on the advanced pipe shed; s6, after grouting construction is completed and the design strength is achieved, excavation and supporting construction are conducted on a tunnel cavity area; and S7, collapse section construction is completed, the support is dismantled, and tunnel construction continues. The treatment process of backfilling back pressure, temporary supporting and advanced pipe shed grouting is provided, the secondary collapse risk caused by arch dismounting and replacing in a traditional method is avoided, cooperative stable control over the collapse cavity and the deformation invasion limit area is achieved, and construction safety is guaranteed.
Owner:CHANGJIANG INT HYDRO ENG CO LTD +1

A molding device

The application relates to the technical field of thermoplastic materials, and discloses a forming device which comprises a base and a cover body; a first concave cavity is formed in the surface of the base, and a first airflow channel and a second airflow channel are arranged on the base; a boss matched with the first concave cavity is arranged on the cover body; a second concave cavity is formed in the bottom wall of the first concave cavity; a first through hole communicated with the first airflow channel is formed in the side wall of the first concave cavity; and a second through hole communicated with the second airflow channel is formed in the side wall of the first concave cavity. When the LFT material is used to make products, the shearing action of a screw is not needed, so that the glass fiber length of the formed products is longer, and the mechanical properties are better. The products prepared by using the application have good fluidity, and are suitable for the production of high-strength complex parts with certain surface appearance requirements.
Owner:GUANGZHOU KINGFA CARBON FIBER NEW MATERIALS DEV

Scarifier

The utility model relates to a scarifier which comprises a connecting piece, at least one supporting rod extending in the first direction of the connecting piece is arranged at one end of the connecting piece, a rotatable scarifying wheel is installed at the tail end of the supporting rod, and at least one first concave cavity sunken downwards is formed in the surface of the connecting piece; the inserting rod is detachably installed on the connecting piece, after the inserting rod is installed on the connecting piece, the length direction of the inserting rod is consistent with the first direction of the connecting piece, a rotatable soil loosening wheel is installed at the tail end of the inserting rod, and at least one second concave cavity which is sunken downwards is formed in the surface of the inserting rod; the soil loosening device is simple and reasonable in design structure, the integrally-connected supporting rod structure is arranged at the end of the connecting piece to avoid the problem of shaking in the using process, the soil loosening requirements of different scenes are met through the detachable structural design of the inserting rod, and the soil loosening device has the advantages of being stable in structure and wide in application range.
Owner:YONGKANG QIANBIAO IND & TRADE CO LTD

Intraoperative specimen management device

The utility model belongs to the related field of medical instruments, and particularly relates to an intraoperative specimen management device which comprises a base plate, and different marks are arranged on the left side and the right side of the base plate respectively. The base plate is provided with a concave cavity and a plurality of collecting grooves located in the left side and the right side of the concave cavity respectively. A plurality of sealing mechanisms used for sealing the collecting tank are arranged on the base plate, each sealing mechanism comprises a sealing piece and a positioning column fixed to the base plate, and the sealing pieces are rotationally connected to the positioning columns; a protruding block used for pushing the sealing piece is arranged on the upper surface of the sealing piece, and a sealing ring capable of being attached to the inner wall of the collecting groove is arranged on the lower surface of the sealing piece. According to the scheme, by arranging the structures such as the concave cavity, the collecting groove and the sealing mechanism, specimens can be classified, specimens of different sizes can be effectively collected, the specimens of small sizes can be effectively prevented from spilling out of the collecting groove, and the specimens in the operation are effectively managed.
Owner:THE UNIVERSITY-TOWN HOSPITAL AFFILIATED TO CHONGQING MEDICAL UNIVERSITY

Double-layer alloy front anti-collision beam structure

The utility model relates to the technical field of automobile part production, and discloses a double-layer alloy front anti-collision beam structure which comprises a reinforcing plate, a plurality of springs are arranged on one side of the reinforcing plate, the reinforcing plate is in an arc shape, a buffering cushion is arranged at one end of each spring, the buffering cushion is in a plate-shaped arc shape, and the buffering cushion is arranged on the reinforcing plate. An anti-collision beam body is fixedly arranged on one side of the buffering cushion, a buffering cavity is formed in the anti-collision beam body, and a cross-shaped inner plate is fixedly arranged in the buffering cavity of the anti-collision beam body. According to the utility model, through the combination of multiple buffering and energy-absorbing parts, the springs, the buffering pads, the inner and outer energy-absorbing boxes and the crumple cavity greatly improve the energy-absorbing efficiency, effectively cope with collisions with various strengths, reduce the impact injury to people in a vehicle, and solve the problem of poor energy-absorbing efficiency.
Owner:JIANGSU SHUANGJU AUTOMOBILE PARTS

Structure assembly with concave cavity

The present disclosure provides a structural assembly with a cavity. A structural assembly for a vehicle includes a cast body. The cast body has a main wall, a non-circular cavity formed in the main wall, and at least one mounting feature. The cavity is at least partially defined by a bottom wall and an arcuate wall. The bottom wall has a first end and an opposite second end. The arcuate wall extends in a first direction from the first end of the bottom wall to the main wall. The arcuate wall also extends from a first side of the cavity to an opposite second side of the cavity. The mounting feature extends from the bottom wall in a second direction opposite the first direction and is configured to couple to a vehicle component.
Owner:FORD GLOBAL TECH LLC

A molding die for an injection molded part having a concave cavity site

The application discloses a forming die of an injection molding part with a concave cavity position, and relates to the field of molds. A core-pulling slide block is movably arranged on a fixed mold. When a movable mold and the fixed mold are in a closed mold state, a first limiting column is located at one end of a first strip-shaped groove away from a forming part, and a second limiting column is located at one end of a second strip-shaped groove away from the forming part. During demolding, the core-pulling slide block moves away from the concave cavity position. After the first limiting column abuts against one end of the first strip-shaped groove close to the forming part and the second limiting column abuts against one end of the second strip-shaped groove close to the forming part, the core-pulling slide block drives the first core-pulling rod and the second core-pulling rod away from the concave cavity position. The first core-pulling rod and the second core-pulling rod with opposite inclined directions and movability are arranged on the core-pulling slide block. The moving direction of the first core-pulling rod and the second core-pulling rod is controlled through the movement of the core-pulling slide block, so that lateral core pulling of the concave cavity position can be realized, and interference problems are avoided.
Owner:FOSHAN SHUNDE SAILE ELECTRIC CO LTD

Car touch lock structure for integrated airline handcart

ActiveCN224200414Usave spacebeautiful installationLock casingsServing tablesAviationCollapsed cavity
The utility model relates to a spring lock structure for an integrated airline trolley. The spring lock structure comprises a lock disc, a handle, a handle, a lock box and a spring bolt body. A concave cavity structure is arranged on the front side of the lock disc, the lock disc on the rear side of the concave cavity structure is of a protruding block structure, a lock box cover plate is installed on the rear side of the lock box, the lock box cover plate and the protruding block structure are both installed together with the lock disc cover plate on the rear side, and the handle and the hand shank are both installed in the concave cavity structure. Most components such as the handle and the handle are located in the concave cavity structure, so that the use space can be saved, and the handle is particularly suitable for narrow working environments such as kitchens or airplanes.
Owner:SUZHOU LUXIANG AVIATION EQUIP CO LTD

Foundation structure for house building construction

The utility model discloses a foundation structure for house building construction, which relates to the technical field of house foundations, solves the problems that the stability of an existing precast pile is reduced after long-term use, and the existing precast pile is easy to displace and even pull out due to smooth surface, and comprises a pile body and an impermeable layer arranged on the outer surface of the pile body, a reinforcing column is fixedly mounted at the top of the pile body, a two-way threaded rod is rotationally connected to the inner wall of the reinforcing column, and a first bevel gear is fixedly mounted on the outer surface of the two-way threaded rod. The motor can control the reinforcing rod to be horizontally inserted into soil, then a worker can take out the motor and fill the inner concave cavity with concrete, and therefore the stability of the pile body and the reinforcing column in the using process is improved, the impermeable layer can reduce the influence of the external environment on the pile body, and the safety of the pile body is improved. Therefore, the phenomenon that the pile body possibly sinks or shifts under the long-term load effect is effectively prevented, and the anti-pressure ability and stability of a foundation are improved.
Owner:BEIJING HONGCHUANG TIANYE CONSTR ENG CO LTD

Method and system for producing a forklift fender

The application discloses a production method of a forklift mudguard, and comprises the following steps: detecting the thickness of incoming flat plates to obtain actual thickness information; positioning and centering the incoming flat plates after the thickness detection, and then sending the flat plates into a molding station to determine the first molding parameters according to the actual thickness information and historical molding parameters in a molding parameter database and to perform the first molding; carrying the mudguard semi-finished product to a shape detection station, performing preliminary detection by using a non-contact visual detection unit, and performing re-detection by using a contact detection unit when the preliminary detection is unqualified; when both the preliminary detection and the re-detection are unqualified, determining a compensation area, a compensation quantity and re-molding parameters according to the thickness detection result, feature point deviation information and historical records in the molding parameter database, performing re-molding after placing a gasket in the corresponding area of a concave cavity of a molding die, and writing the molding parameters, the detection result and the compensation result into the molding parameter database. The application can improve the forming quality stability of the mudguard.
Owner:ANHUI HELI CO LTD