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82results about How to "Impact resistance" patented technology

A combined tube segment structure and method of manufacture

The application relates to the technical field of tunnel construction, and discloses a combined segment structure, which comprises a UHPC segment and concrete test blocks, a plurality of concrete test blocks are arranged on the outer side surface of the UHPC segment in sequence along the curvature direction of the UHPC segment, the UHPC segment is provided with main reinforcement and stirrups, the main reinforcement is provided with a plurality of strips along the curvature direction of the UHPC segment, a plurality of stirrups are sequentially sleeved on the plurality of main reinforcement and are connected with the main reinforcement through binding, the concrete test blocks are provided with transverse steel bars and longitudinal steel bars, the transverse steel bars extend to the outside of the concrete test blocks and are overlapped with the stirrups, and the longitudinal steel bars extend to the outside of the concrete test blocks and are overlapped with the main reinforcement. Compared with the prior art, the structure design realizes optimal control of material cost by filling the concrete test blocks in the non-key stress area under the premise of hardly sacrificing the core performance of UHPC materials such as strength, durability and stress condition, and effectively eliminates the core economic obstacle in the popularization process of the UHPC shield segment.
Owner:GUANGZHOU METRO GRP CO LTD +3

Mobile aluminum ladle baking device

This invention discloses a mobile aluminum ladle baking device, relating to the field of metallurgical equipment technology. It includes a base frame, with a lifting unit and several support frames fixedly mounted on the upper end of the base frame. An installation unit is located on the front side of the lifting unit, and an igniter unit is fixedly connected to the bottom front side of the installation unit. A gas delivery unit is located on the upper part of the support frames, a gas control unit is located on the upper right side of the installation unit, and an air supply unit is located on the upper left side of the installation unit. This invention, through the base frame, electric forklift, traveling unit, and support units, achieves flexible movement, rapid positioning, and stable support of the device within the work area; the lifting unit enables precise lifting of the installation unit, igniter unit, gas control unit, and air supply unit; and the gas delivery unit, gas control unit, air supply unit, and igniter unit ensure safe gas delivery and precise gas-air mixing.
Owner:JINAN HYDEB THERMAL TECH

PVC sewage and drainage pipe with noise reduction structure

ActiveCN224743099UIncreased ring stiffnesshigh strength
This utility model belongs to the field of drainage pipe technology, specifically relating to a PVC sewage drainage pipe with a noise reduction structure. It includes a floor slab layer, a shock-absorbing layer fixedly connected to the inner wall of the floor slab layer, a heat insulation layer fixedly connected to the inner wall of the shock-absorbing layer, reinforcing ribs fixedly connected to the inner wall of the heat insulation layer, a thermal insulation layer fixedly connected to the inner wall of the thermal insulation layer, an inner pipe fixedly connected to the inner wall of the thermal insulation layer, and multiple protruding rods fixedly connected to the inner wall of the inner pipe. A protective device for the drainage pipe is provided on the top of the floor slab layer. The protective device includes two protective plates, the bottoms of which are both located on the top of the floor slab layer. This utility model solves the problem that the noise reduction design of the device sacrifices the overall rigidity of the pipe material. While a softer material layer can effectively absorb sound energy, it has weak resistance to instantaneous external forces, making it prone to dents, cracks, or even breakage. This invention enhances rigidity and improves resistance.
Owner:NANTONG YUYE PLASTIC PIPE IND CO LTD

Fuel tank mounting structure for operating machinery and operating machinery

ActiveCN224427108UInstallation applicableImpact resistanceVehicle frameFuel tank
This application relates to the field of construction machinery, and discloses a fuel tank mounting structure for construction machinery and the construction machinery itself. The fuel tank mounting structure includes: a frame comprising multiple side plates and multiple support plates, the side plates being sequentially connected to enclose a fuel tank mounting area, and the support plates being sequentially and spaced along the circumference of the fuel tank mounting area on the inner side walls of the side plates; a fuel tank disposed in the fuel tank mounting area and comprising a fuel tank body and multiple tank support plates, the support plates being spaced along the outer circumferential wall of the fuel tank body, and the fuel tank body resting on the support plates via the support plates; and a fastening assembly for locking the support plates to their corresponding support plates. The fuel tank mounting structure and construction machinery of this application can reduce the difficulty of fuel tank installation and improve fuel tank stability.
Owner:ZOOMLION EARTHMOVING MASCH CO LTD +1

A mold frame assembling structure of a brick mold

The utility model relates to the technical field of brick making mould, specifically disclose a kind of mould frame assembly structure of brick making mould, including frame, the left and right sides in the inside of frame are all provided with baffle, the front and back two side walls of two baffle are all fixedly connected with positioning boss, the front and back two sides of frame inner wall are all provided with the positioning groove that is compatible with positioning boss, the left and right sides of the bottom end of frame inner wall are all provided with multiple limit hole, the bottom end of two baffle is all fixedly connected with multiple limit post compatible with limit hole, the positioning boss of baffle is inserted into the positioning groove of frame inboard wall, simultaneously, the limit post of baffle bottom is inserted into the limit hole of frame bottom, and then through the multiple cooperation structure of positioning boss and positioning groove, limit post and limit hole, the quick and accurate positioning of baffle and frame is realized, and positioning accuracy and assembly efficiency are greatly improved.
Owner:KAIFENG HENGTONGYUAN FLY ASH FORMING EQUIP CO LTD

Mullite-silicon carbide lining block with anchoring structure

This utility model discloses a mullite-silicon carbide lining block with an anchoring structure, belonging to the technical field of rotary kiln lining structure. It includes a rotary kiln shell, an insulation layer on the inner wall of the rotary kiln shell, several mullite-silicon carbide bricks interlocked on the inner wall of the insulation layer, and anchoring components for anchoring the insulation layer and each mullite-silicon carbide brick. Through the interlocking of pre-embedded arc-shaped anchoring strips on the kiln shell with anchoring connecting seats within the mullite-silicon carbide bricks, and the threaded connection between the spiked bar and the inserted protrusion, a strong mechanical locking force is formed. This design tightly connects the heavy mullite-silicon carbide bricks, the lightweight insulation layer, and the kiln shell into a cohesive whole, effectively resisting the centrifugal force generated by the rotation of the rotary kiln, the impact force of materials, and long-term vibration, completely preventing the loosening and detachment of the mullite-silicon carbide bricks, and greatly improving the overall stability and reliability of the lining structure.
Owner:JIANGSU NUOMING HIGH TEMPERATURE MATERIALS CO LTD

A wear-resistant trolley funnel liner

This utility model discloses a wear-resistant trolley funnel liner. The liner includes a base layer and a weld overlay layer. The weld overlay layer is welded to the surface of the base layer. The base layer and the weld overlay layer are formed into an integral structure using a multi-layer weld overlay process. Each weld overlay layer is tightly bonded to the adjacent layer and the base layer, forming a continuous and dense composite structure. The base layer is made of low-carbon steel to ensure that the liner has sufficient strength and toughness to withstand material impact. The weld overlay layer is made of chromium carbide alloy to provide good wear resistance. The low-carbon steel of the base layer has good toughness and can absorb and disperse impact energy; while the chromium carbide alloy layer of the weld overlay layer has high hardness and can resist direct impact and wear from materials. This greatly enhances the impact resistance of the liner, reduces deformation and cracking caused by material impact, ensures the normal use of the funnel, and avoids environmental pollution and material waste caused by material leakage.
Owner:JIANGXI COPPER GRP DEXING CASTING CO LTD

Splicing type tool clamp for reinforcing chassis of military special vehicle

The utility model discloses a splicing type tool fixture for reinforcing military special automobile chassis belongs to tool fixture technical field, and it includes workbench, and the flexible arrangement of multiple clamping mechanisms and fixed agencies on workbench can, and the outer wall of the support frame of clamping mechanism is equipped with the mounting groove, the fixed agency includes screw rod, slide bar, and the fixed plate of cooperation with screw rod and along slide bar sliding and the plugboard connected in fixed plate, and the stable insertion of plugboard in mounting groove can be driven to the screw rod, and high -strength locking of clamping mechanism is in workbench, and the hydraulic rod drive clamping plate in clamping mechanism carries out the clamping to chassis. The utility model solves the problem that the rigidity of existing fixture connection is insufficient and the commonality is poor, has the advantages such as locking reliable, positioning stable, the flexible adaptation of different model chassis, and the strong commonality.
Owner:SUZHOU HONGSHUN AUTOMATIZATION EQUIP CO LTD

Cylindrical lithium-ion cell and battery pack

ActiveCN224318486UGuaranteed to workActs as double insulationSecondary cellsElectrical batteryPole piece
The utility model provides a cylindrical lithium ion electric core and battery pack, including metal shell, upper cover, lower cover, positive pole piece, negative pole piece, diaphragm, electrolyte and hollow tube, positive pole piece, negative pole piece and diaphragm are around the hollow tube winding setting, and the support structure around the hollow tube is set to the end of hollow tube, this scheme makes the structure of electric core inside more stable, and the hollow tube in the electric core increases the direct path of additional heat conduction, can promote the heat even distribution of electric core itself, can also effectively transmit the heat from the battery inside.
Owner:HUZHOU YONGXING LITHIUM BATTERY TECH CO LTD

Antibacterial nanofiltration membrane and preparation method thereof

The application relates to the technical field of membranes, in particular to an antibacterial nanofiltration membrane and a preparation method thereof. The method comprises the following steps: polyethylene imine / tannic acid pretreatment is carried out on a polyethersulfone sulfone ultrafiltration membrane substrate; first interfacial polymerization of a water phase containing piperazine, guanidino butylamine sulfate and taurine and an organic phase containing trimesoyl chloride is sequentially carried out; secondary water phase back immersion is carried out by using a taurine solution; a cross-linking anchoring agent with 20%-22% maleimide double bonds is prepared; the cross-linking anchoring agent is used for anchoring-densification treatment together with trimesoyl chloride; and finally, acid / alkali alternation and heat curing are carried out. Through unique step design and function component synergy, a stable antibacterial and anti-pollution structure is constructed in the separation layer, and the problems of easy biological pollution and easy loss of antibacterial agents of traditional nanofiltration membranes are solved. The obtained membrane has long-acting antibacterial property, high flux recovery rate, high ion selectivity and excellent acid / alkali cycle stability.
Owner:SHANDONG ZHAOJIN MOTIAN

A quick-plug electrical connector

ActiveCN224683526USolve the problem of looseness and failureResistance strengthElectrical connectionStructural engineering
The utility model discloses a kind of quick plug type electric connectors, it is related to electric connector technical field, including socket and clamping assembly;Socket: inside front end is inserted with plug, the surface of the plug is equipped with connecting assembly and disassembly component, the connecting assembly and disassembly component are connected;Clamping assembly: including connecting plate, clamping strip and clamping hole, the upper and lower ends of the surface of the plug are fixed with two corresponding connecting plates, the front side of the connecting plate is equipped with sliding port, the inside sliding connection of the sliding port has clamping strip, two clamping strips are fixed on the surface of socket, the front side of the clamping strip is equipped with clamping hole, the connecting assembly is connected with two clamping holes, by setting clamping assembly, the stability of socket and plug connection can be effectively improved, the connecting assembly includes fixed plate, clamping column, limit ring, spring and rubber column, the stability of connection can be maintained, and it is convenient and fast to plug in and pull out.
Owner:TAIXING WEIHANG OPTOELECTRONIC TECH CO LTD

Curtain upper beam

The utility model discloses a curtain upper beam which comprises a beam body, a rolling cavity is formed in the beam body in a hollow mode, a penetrating groove communicated with the rolling cavity is formed in the bottom wall of the beam body in the length direction of the beam body, a dismounting groove communicated with the rolling cavity is formed in the top wall of the beam body in the length direction of the beam body, and the top wall of the beam body is covered with a sealing plate used for sealing the dismounting groove. Two sealing grooves are formed in the beam body in the length direction of the beam body, sealing lips are arranged at the positions, corresponding to the two sealing grooves, of the sealing plate, the sealing lips and the sealing grooves are arranged in an expansion fit mode, and the two sealing grooves are communicated to the two ends of the beam body to form sliding openings allowing the sealing lips to be placed into the sealing grooves. The beam body is provided with a loading piece used for applying acting force to the sealing lip so that the outer circumferential wall of the sealing lip can be tightly attached to the inner circumferential wall of the sealing groove. The curtain upper beam solves the problems that the sealing strength of a dismounting groove formed in the top of a traditional curtain upper beam is low, the sealing performance in the beam body is affected, and external impurities or water stains invade the beam body to affect components in the beam body.
Owner:ZHEJIANG YIANO SHADING TECH CO LTD

Exterior wall calandria profiling die

ActiveCN224742036Uavoid lateral displacementstable position
The utility model relates to the technical field of shaping mould, and the utility model provides a outer wall row pipe shaping mould for positioning row pipe when pouring outer wall, including shaping formwork, a plurality of through holes are set up on the shaping formwork, and the through hole is corresponding with row pipe one to one, and the shaping formwork is used for installing and positioning row pipe through the through hole, the connecting rod has a plurality of, and at least one connecting rod is set up between adjacent two row pipes, and the connecting rod is used for limiting row pipe, the fastener detachable is set up on the shaping formwork, and the fastener fixes the connecting rod on the shaping formwork, the utility model solves the technical problem that the present technical problem of easy misplacement of municipal row pipe when pouring concrete.
Owner:SHIJIAZHUANG HOUSE DEV CONSTR CORP

Welded aluminum honeycomb panel packaging box and manufacturing method

The application provides a welded aluminum honeycomb plate packaging box and a manufacturing method, which comprises: a box body, the box body comprises a containing cavity for storing products, the box body has a first filling gap inside, and a filling material is arranged in the first filling gap; a cover body, the cover body is arranged above the box body, the cover body is detachably connected with the box body, the cover body has a second filling gap inside, and a filling material is arranged in the second filling gap; wherein the filling material comprises a plate body assembly and a gap in the plate body assembly, the plate body assembly comprises at least two connecting plates, the at least two connecting plates are connected in sequence, and the included angle between adjacent two connecting plates ranges from 0 DEG to 180 DEG. The welded aluminum honeycomb plate packaging box and the manufacturing method solve the technical problems of heavy weight and simple structure of the packaging box for storing precision equipment in the related art.
Owner:QINGDAO TAIHONG TRACK EQUIP

A micro / nano bubble generator for wastewater treatment

ActiveCN224633288UImprove connection stabilityMaintain production efficiency
This utility model discloses a micro / nano bubble generator for wastewater treatment, relating to the field of water pollution control technology. It includes a housing, a pull rod, and a ceramic perforated plate. The pull rod is disposed on the side of the housing, and a groove is formed in the side wall of the housing. A square block is disposed in the groove. In this utility model, the insertion holes on both sides of the ceramic perforated plate are adapted to the extended ends of the square blocks. The insertion rod is inserted into the insertion holes for initial fixation. A tension spring between the housing and the square blocks provides elastic tension. An elliptical elastic ring, in conjunction with a reset component, forms a buffer. When there is gas-liquid impact or pressure fluctuation, the tension spring extends and retracts to buffer, the elastic ring retracts and resets, and the insertion rod slides to maintain a stable connection between the ceramic perforated plate and the housing, ensuring the normal generation of micro / nano bubbles. The above structure enhances the connection stability between the internal components and the housing, resists impact and pressure fluctuations, and reduces component displacement, vibration, or loosening.
Owner:XINJIANG SILK ROAD CARBON BALANCE TECHNOLOGY TESTING CO LTD

A deep fault zone broken soft surrounding rock floor reinforcing device

The utility model provides a kind of deep fault zone broken soft weak surrounding rock floor reinforcement device, comprising: reinforcement component, pouring structure and monitoring component;The reinforcement component is laid in the corner position of the convergence of roadway floor and the floor of side part;The pouring structure is laid on roadway floor surface, and the reinforcement component is wrapped and combined with floor surrounding rock to form a whole;The monitoring component is embedded in the stress part of reinforcement component and the stress concentration area of pouring structure;Wherein, the reinforcement component provides bottom anchoring support for pouring structure, the pouring structure integrates reinforcement component and floor surrounding rock, and the monitoring component monitors the mechanical state of reinforcement component and pouring structure in real time.The utility model realizes the overall reinforcement of roadway floor and real-time mechanical state monitoring by the synergistic effect of reinforcement component, pouring structure and monitoring component, effectively improves floor stability and safety control ability.
Owner:INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI

Transformer comprehensive loss measurement system and method based on SF6 gas insulation and multi-range integration

The invention discloses a transformer comprehensive loss measurement system and method based on SF6 gas insulation and multi-range integration, and the system comprises a three-phase independent high-voltage measurement unit, a data collection unit, an AD conversion module, a signal preprocessing unit, a calculation module, a data caching unit, a communication interface, a data uploading and display unit, and a control host. The method comprises the following steps: firstly, collecting signals, then carrying out AD conversion, then carrying out harmonic filtering, and then carrying out a calculation process; then storing the data; and then the stored data is transmitted to the control host, and then real-time waveform display and report output are performed, so that the contradiction between wide range and high precision is fundamentally solved, field interference and overvoltage impact can be effectively resisted, and the test efficiency and the automation level are greatly improved. And the safety risk caused by manual operation in a high-voltage area is avoided.
Owner:SHANGHAI JIU ZHI ELECTRIC CO LTD

Locomotive traction motor tester

ActiveCN224594795UPrecise linkage adjustmentAccurate
This utility model relates to the field of traction motor testing technology, specifically a locomotive traction motor tester, including a base. The base has four symmetrically distributed positioning blocks. A limiting mechanism for adjusting the position of the four positioning blocks is also provided on the base. Two symmetrically distributed first push rods and two symmetrically distributed second push rods are slidably mounted on the base. The two sets of first and second push rods are perpendicularly distributed. Each of the four positioning blocks is slidably engaged with a corresponding set of first and second push rods. Through a transmission design where the mounting rod directly drives the first gear and the mounting tube directly drives the second gear, precise linkage adjustment of the four positioning blocks is achieved. The clever combination of ratchet, pawl, spring, and electromagnetic adsorption components achieves bidirectional mechanical locking of the mounting rod and drive rod, preventing vibration from affecting the motor's stability.
Owner:CRRC DALIAN CO LTD

Position adjusting mechanism and camera device using same

ActiveCN224215060UAchieve two-way independent adjustmentAchieve coarse adjustmentStands/trestlesControl theoryHorizontal orientation
The utility model provides a position adjusting mechanism and a camera device using the same. The position adjusting mechanism comprises a camera mounting base arranged on a floating substrate; the horizontal adjusting assembly is arranged on the floating substrate, abuts against the camera mounting base and is used for driving the camera mounting base to move in the horizontal direction relative to the floating substrate by adjusting the horizontal adjusting assembly; the floating substrate is arranged on the bottom plate through the vertical adjusting rod and the vertical guide rod; the vertical adjusting rod is rotatably arranged on the bottom plate, is matched with the threads on the floating substrate and is used for driving the floating substrate to move in the vertical direction relative to the bottom plate by rotating the vertical adjusting rod; the vertical guide rod is arranged on the bottom plate and used for guiding the vertical movement direction of the floating substrate. The position adjusting mechanism and the camera device applying the position adjusting mechanism realize integral sliding of the camera and bidirectional fine adjustment of the lens, and ensure accurate centering of the lens and the light shielding plate.
Owner:SUZHOU YIJI INTELLIGENT TECH CO LTD

External pipeline auxiliary connecting structure of water-cooling plate type radiator

The utility model relates to the technical field of water-cooling heat dissipation, and discloses an external pipeline auxiliary connecting structure of a water-cooling plate radiator, which comprises a bottom plate, a water-cooling pipe and a top cover, a flow channel for fixing the water-cooling pipe is arranged on the inner surface of the bottom plate, and an inserting block is inserted into the bottom plate and the top cover. A positioning block is inserted into the other end, away from the bottom plate, of the insertion block, a clamping groove with a T-shaped section is formed in the other end, away from the flow channel, of the positioning block, and a clamping block is inserted into the inner surface of the clamping groove. According to the external pipeline auxiliary connecting structure of the water-cooling plate type radiator, the T-shaped clamping groove is matched with the matched clamping block, so that a connecting part can be effectively prevented from falling off; the protruding blocks are connected with the grooves in an aligned mode, the clamping blocks are further limited, the threaded holes are matched with the positioning columns and the threaded grooves, the positioning blocks are fixed when the bottom plate is connected with the top cover, and the multiple fixing modes ensure that the connecting structure is stable and reliable in the using process, resists water flow impact and vibration and avoids loosening and displacement.
Owner:SICHUAN WEIZE COMM TECH CO LTD

A rope joint that is easy to install

This utility model relates to the field of rope and cable splice technology, specifically disclosing an easy-to-install rope and cable splice, including: a splice body, and two threading holes respectively located at both ends of the splice body, with the two threading holes symmetrically distributed; the threading holes are fold-back through holes, with their inlet and outlet located on the same end face of the splice body, adapted for rope and cable to pass through and form a bending constraint section; two limiting mechanisms are correspondingly arranged in the threading holes; this utility model uses the fold-back threading holes to form a bending constraint section for the rope and cable, and uses the friction generated by bending to initially limit the slippage of the rope and cable; the first limiting head and the second limiting head form a stable clamping force on the rope and cable, and the multiple constraints work together to improve the constraint strength of the limiting area on the rope and cable, and can effectively resist axial tensile force and radial impact load.
Owner:JIANGSU HAIFENG ROPE TECH CO LTD

A cable group bushing wall-penetrating waterproof device

The utility model relates to cable installation technical field, specifically disclose a cable group sleeve pipe wall -penetrating waterproof device, include: spacing frame one, it is rectangular with spacing frame two and is pasted wall surface, the spacing frame one inlay fixed has the locating sealing plate no.
Owner:SHANDONG ZHONGCHANG DEV CONSTR GRP

A pre-buried anchoring type parking limiting device

ActiveCN224396147UImpact resistanceResistance to pull-out forceTraffic signalsRoad signsSet screwFixed frame
The utility model relates to parking limiting device technical field, and disclose a kind of pre-buried anchoring type parking limiting device, including car stopper body, its top two sides are equipped with the fixed groove of opposite inclination 60 °, and fixed groove is set screw ground nail by fixed frame, limiting sliding slot, sliding block cooperation arrangement, top is also equipped with bolt hole and internal hexagonal bolt, bottom is equipped with rubber pad, two ends are equipped with reflective sticker, and the device is realized diagonal anchoring by opposite inclination fixed groove cooperation screw ground nail, and it is fixed in conjunction with internal hexagonal bolt on top up and down cooperation, compared with traditional surface fixed mode, significantly improve stability and anti-impact ability, internal hexagonal nut design facilitates installation and disassembly, reflective sticker enhances night warning, the device effectively solves the problems, such as traditional limiting device anchoring instability, insufficient buffering, installation and maintenance inconvenience, realizes the beneficial effect of efficient stable limiting, reduce maintenance cost, improve parking safety, with good application prospect and popularization value.
Owner:JIANGSU RUOLIN INTELLIGENT MFG CO LTD

Isolation equipment for chemical safety

The utility model discloses an isolation equipment for chemical safety, including module connecting mechanism, fixed clamping mechanism and clamping auxiliary mechanism, module connecting mechanism includes side plate, top cover, door body, angle plate, clamping pipe and clamping rod, fixed clamping mechanism includes guide swing frame, guide swing groove, centripetal frame, centripetal groove and embedding block, and the clamping auxiliary mechanism includes the guide swing frame, guide swing groove, centripetal frame, centripetal groove and embedding block. And the module connecting mechanism realizes standardized assembly and quick connection of the isolation equipment. Through the combined design of the angle plates, the clamping pipes and the clamping rods, the top cover and the side plates can be rapidly and accurately positioned and firmly connected, accurate centripetal locking of the clamping rods by the embedded blocks is achieved through the fixed clamping mechanisms, the connection strength and stability are remarkably improved through the double-locking design, and vibration and impact in the chemical environment can be effectively resisted.
Owner:NINGBO CONCH NEW MATERIAL TECH CO LTD

A safety device for securing a windscreen stay

The utility model discloses a kind of safety devices of windproof pull rod with pull solid, including first pull rod, the both sides of the bottom of the outer surface of first pull rod are uniformly connected with first connecting piece by first bolt fixed connection, the top of first connecting piece inner side is rotatably connected with second connecting piece by second bolt.The safety device of windproof pull rod with pull solid, by the setting of first pull rod, second pull rod and third pull rod, first pull rod is connected with second pull rod by first connecting piece and second connecting piece, third pull rod is connected with first pull rod and second pull rod by third connecting piece and connecting ring, when three, can form stable triangle structure, to enhance the wind resistance of scaffold, second pull rod is arranged in parallel after rotating with first pull rod, third pull rod is housed to the middle of two, collapsible operation, can significantly reduce the space occupation of device in non-use state, avoid the mess caused by pull rod too long, reduce transportation volume, reduce transportation cost.
Owner:DALIAN ZHONGXING CHENGXIN MASCH ENG CO LTD

Positioning and pressing device for precoated sand shell mold casting

The utility model discloses a positioning and pressing device for precoated sand shell mold casting, which relates to the technical field of casting, and comprises an upper die holder and a lower die holder, the left side and the right side of the upper die holder are fixedly connected with positioning seats, the left side and the right side of the lower die holder are respectively provided with two groups of positioning plug-ins matched with the positioning seats, each positioning plug-in comprises a plug pin, and the plug pins are inserted into the positioning seats. The positioning seat is provided with an inserting hole corresponding to the inserting pin, the inserting pin can be inserted into the inserting hole to achieve positioning between the upper die seat and the lower die seat, the left side and the right side of the lower die seat are fixedly connected with positioning rods penetrating through the positioning seat, and the top ends of the positioning rods are provided with pressing assemblies pressing the upper die seat. According to the utility model, the problem of dislocation after installation is effectively prevented by means of positioning, fixing, pressing and the like, so that the upper die holder and the lower die holder are tightly connected, the vibration or impact in the casting process is resisted, the displacement after die assembly is prevented, the size error of a casting part is reduced, and the yield and the process reliability are obviously improved.
Owner:QINGDAO HAOSHENGDA CASTING MASCH CO LTD

Extraction pipe based on sludge drying machine

The utility model discloses an extraction tube based on a sludge dryer, and relates to the technical field of extraction tubes in sludge dryers, and the extraction tube is characterized by comprising a rotating frame and a workbench, a sliding rail is arranged on the workbench, limiting grooves are symmetrically arranged on the workbench at the position of the sliding rail, a protection box is connected in the sliding rail in a sliding mode, and the protection box is connected with the rotating frame in a sliding mode. The upper end of the protection box is connected with a handle, the protection box is provided with a pick-and-place mechanism, and the pick-and-place mechanism is used for installing the protection box on a workbench, so that the problems that in the background technology, the extraction pipe has the core function of automatically discharging condensate water, percolate or cleaning water, liquid cannot be normally discharged after blockage, and the operation is inconvenient are solved. The problems that liquid is accumulated in the equipment (such as a drying chamber, a condensing system or a collecting tank) due to the fact that the sludge enters the drying chamber, the effective drying area is reduced and the drying efficiency is reduced when accumulated liquid occupies the drying space, and the water content is increased and the product quality is influenced due to the fact that water retention possibly reversely permeates into the dried sludge are solved.
Owner:JIANGSU STORD WORKS LTD

Loader bucket

The utility model relates to the technical field of buckets, in particular to a loader bucket which comprises a bucket body and bucket teeth, a mounting seat is fixedly connected to the edge of the front end of the bottom of the bucket body, an inserting cylinder is fixedly connected to the mounting seat, a partition plate is arranged in the inserting cylinder and divides the interior of the inserting cylinder into an inserting groove and a cavity, and the inserting groove is fixedly connected with the bucket teeth. A round groove matched with the inserting cylinder is formed in the rear end of the shovel tooth, an inserting column is arranged in the round groove, the end of the inserting column is fixedly connected with a connecting shaft, a limiting plate is fixedly connected to the connecting shaft, a through groove corresponding to the limiting plate is formed in the partition plate, a limiting column is arranged on the mounting base, and a limiting ring is fixedly connected to the outer side of the shovel tooth. The limiting ring is slidably arranged on the limiting column in a sleeving mode, and a limiting assembly is arranged on the limiting column. The connecting structure can effectively resist high-frequency vibration and impact load, prevents the form relieved teeth from falling off due to looseness or gap increase, and compared with traditional bolt connection or pin connection, the stability is remarkably improved, the installation time consumption is reduced, and the maintenance efficiency is improved.
Owner:INNER MONGOLIA ZHONGKUN ENERGY TECH DEV CO LTD