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25 results about "Spring truss" patented technology
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Adjustable building template supporting device
PendingCN121088174AAuxillary members of forms/shuttering/falseworksLocking mechanismClassical mechanics
The invention relates to the technical field of formwork supporting, and discloses an adjustable building formwork supporting device which comprises a fixing mechanism, an adjusting mechanism, a locking mechanism and an abutting mechanism, the adjusting mechanism is movably connected to the top of the fixing mechanism, and the locking mechanism is arranged on the side face of the adjusting mechanism. The abutting mechanism is arranged on the side face of the fixing mechanism and the side face of the adjusting mechanism. According to the adjustable building formwork supporting device, the base is used for bearing, the fixing plate is connected with a peripheral structure, the inclined panel and the plug pin are used for enhancing overturning resistance, the abutting mechanism is combined with the spring support for buffering and the abutting plate for abutting, the overall stability is guaranteed, a crank is rotated to achieve transverse adjustment, and the telescopic sleeve, the telescopic rod and the rotating frame are matched to adjust the height and angle; the locking mechanism accurately guides and locks the supporting angle, the pulling block is convenient to adjust, all the mechanisms cooperate with one another, the component design meets the requirements of various construction environments and formworks, and stability, flexibility and wide applicability are achieved.
Owner:CSCEC STRAIT CONSTR & DEV
Springback equipment for detecting concrete compressive strength through resilience method
ActiveCN223742148UMaterial strength using tensile/compressive forcesCompressive resistanceArchitectural engineering
The springback equipment for detecting the concrete compressive strength through the springback method comprises an installation base, a hinge block is fixedly arranged on the upper end face of the installation base, a second friction rotating shaft is arranged on the outer wall of the hinge block, and a fixing rod is rotationally installed on the outer wall of the second friction rotating shaft. A plurality of buffer springs are arranged above the fixing rod, one end of each buffer spring is connected with a rubber pad, a metal frame is fixedly installed on the outer wall of the fixing rod, a springback instrument is arranged on the outer side of the metal frame, a springback column is fixedly arranged at the bottom of the springback instrument, and the outer wall of the springback column is sleeved with a spring frame; a guide frame is fixedly arranged on the outer side of the metal frame, a connecting rod is rotationally installed in the guide frame, one end of the connecting rod is fixedly connected to a holding rod, and a protruding block is fixedly connected to one end of the holding rod. The rebound instrument is buffered and protected during use, so that the service life of the rebound instrument is prolonged, and practicability is achieved.
Owner:GUANGDONG ZHONGTAI TESTING CO LTD
Automobile sealing rubber strip framework
The utility model discloses an automobile sealing rubber strip framework in the technical field of automobile sealing accessories, which comprises a U-shaped frame, one side of the U-shaped frame is fixedly connected with a left reinforcer in a penetrating manner, the upper part of one side of the U-shaped frame is fixedly connected with a first reinforcer in a penetrating manner, and the other side of the U-shaped frame is fixedly connected with a right reinforcer in a penetrating manner. A second reinforcing piece is fixedly connected to the upper portion of one side of the U-shaped frame in a penetrating mode, a third reinforcing piece is fixedly connected to the middle of the upper portion of the U-shaped frame in a penetrating mode, a first connecting rod is fixedly installed on the inner wall of the U-shaped frame, and a first spring frame is fixedly connected to the top end of the first connecting rod. And when the U-shaped frame is subjected to external impact force, the generated acting force can be absorbed by the first spring frame and the second spring frame, so that the impact force received by the U-shaped frame is reduced, and the service life of the U-shaped frame is prolonged.
Owner:CHONGQING MINGLUN SEALING TECH CO LTD
Loading anti-fatigue hanging spring
ActiveCN222391822Uavoid fatigue damageImprove fatigue resistanceWound springsWhole bodyStructural engineering
Owner:SUZHOU XIANGCHENG EDUCATIONAL PROD FACTORY
High-frequency double-frequency-modulation vibration absorber for main noise reduction control of helicopter
The utility model discloses a high-frequency double-frequency-modulation vibration absorber for main noise reduction control of a helicopter. The high-frequency double-frequency-modulation vibration absorber comprises a spring support assembly and a mass piece. The spring frame assembly comprises two cantilever beam spring frames which are symmetrically installed, the installation end face of each cantilever beam spring frame is provided with arc grooves with the same aperture, the two sides of the oppositely-arranged installation end faces are provided with installation lugs, and the two cantilever beam spring frames wrap the main reduction supporting rod in the mode that the installation end faces are oppositely arranged; mounting lugs on the same sides of the two cantilever beam spring brackets are fixedly connected through first connecting bolts, so that the spring bracket assembly is fixedly mounted on the main reducing support rod; a kidney-shaped groove is formed in the upper end face of each cantilever beam spring support of the spring support assembly, and at least one mass piece is installed on the kidney-shaped grooves of the cantilever beam spring supports in a sliding mode through second connecting bolts. According to the technical scheme, the problems that an existing passive vibration absorber can only meet the requirement for low-frequency vibration reduction and noise reduction below 200 Hz generally, the vibration reduction direction is single, an original structure needs to be modified, and the design difficulty is large are solved.
Owner:CHINA HELICOPTER RES & DEV INST
Damping support for constructional engineering
ActiveCN222207160UBuilding material handlingScaffold accessoriesClassical mechanicsStructural engineering
The utility model discloses a damping support for constructional engineering, comprising: a support mechanism, the support mechanism comprising a base, a lifting frame and a work platform, one end of the lifting frame being arranged on the base, the work platform being arranged at one end of the lifting frame away from the base; the damping mechanism comprises a first damping assembly and a second damping assembly, the first damping assembly comprises a frame body and damping heads arranged at the four corners of the frame body, the second damping assembly comprises a damping sliding table and a first spring, and sliding grooves used for installing the damping sliding table are symmetrically formed in the two sides of the frame body; the two ends of the damping sliding table are slidably arranged in the sliding grooves in the two sides of the frame body respectively, the first springs are connected with the frame body and the damping sliding table respectively and located in the sliding grooves, and the base is arranged on the damping sliding table. According to the shock absorption support for constructional engineering, energy can be absorbed and converted through deformation or movement of the shock absorption mechanism, the stability of the shock absorption support is improved, and therefore the safety of aloft work of an operator is improved.
Owner:CHENGDU XINGYU SHENGRONG TECHNOLOGY CO LTD
A spring rack assembly for exercise equipment
ActiveCN224387985Uavoid collisionreduce noiseMuscle exercising devicesArchitectural engineeringTension member
The utility model belongs to body -building equipment technical field, especially relates to a spring frame subassembly for body -building equipment, including frame body, a plurality of elastic tension members are connected on the frame body, one end of elastic tension member is connected in the downside of frame body, and the other end is detachably connected in the upside of frame body, a plurality of tension member limiting grooves are equipped on the frame body, tension member limiting groove and elastic tension member are set up one by one, and tension member limiting groove is used for the limiting of elastic tension member, the utility model provides a spring frame subassembly for body -building equipment, sets up limiting rotation wheel, and the elastic tension member is limited through the tension member limiting groove on it, can effectively avoid the collision between elastic tension member in the stretching process, reduces the noise, and the fluency improves.
Owner:DEZHOU ZHUOGUAN FITNESS EQUIPMENT CO LTD
Spring coloring device
PendingCN119615320Aincrease deposition rateImprove thickness uniformityCellsTanksSurface moistureMechanical engineering
The invention relates to a spring coloring device which comprises a rectangular vertical frame, a guide assembly, a cleaning and coloring module, an air drying device and a conveying assembly, the guide assembly is assembled at the upper end of the rectangular vertical frame in a vibratable mode in the length direction of the rectangular vertical frame, and the guide assembly is provided with a smooth area, a vibration area, a cleaning and coloring module, an air drying device and a conveying assembly in the length direction of the guide assembly. When the spring cleaning and coloring device is used for cleaning and coloring a spring, vibration generated by an air drying device during working is utilized to drive a guide assembly to vibrate, so that a spring frame assembly loaded with the spring can vibrate in the cleaning and coloring module when passing through the cleaning and coloring module, and the cleaning and coloring effects are improved; and meanwhile, in the process that the spring frame assembly moves to the vibration area along the guide assembly, vibration is intensified in the process that the spring frame assembly moves to be close to the air drying device through cooperation of the rolling matching piece and the vibration area, so that surface moisture is rapidly shaken off, the air drying efficiency is improved, and then the working efficiency of cleaning and coloring the springs is improved.
Owner:SHANGHAI DAI DO SP CO LTD
Multifunctional trolley
PendingCN119551049AImprove stabilityquick conversionHand carts with multiple axesHand cart accessoriesIndustrial engineeringUtility trolley
Owner:HENAN KEDI LEISURE PRODUCTS CO LTD
High-pressure hot water cleaning machine with protective structure
ActiveCN223465290UVibration suppression adjustmentsCleaning processes and apparatusStructural engineeringThermal water
The utility model relates to the field of equipment cleaning, in particular to a high-pressure hot water cleaning machine with a protective structure, which comprises a cleaning machine, spring frames fixedly connected to two sides of the cleaning machine, spring grooves formed in the upper end faces of the spring frames, supporting springs fixedly connected to the inner ends of the spring grooves, and elastic fastening frames fixedly connected to the upper ends of the supporting springs. A bolt hole is formed in the side end of the elastic fastening frame, and a clamping bolt is arranged in the bolt hole in a sleeved mode. Bolt sleeves are fixedly connected to the two sides of the rear end face of the cleaning machine. Limiting slots are formed in the two sides of the upper end of the protective cover; the cleaning machine has the advantages that the protective cover and the cleaning machine main body are installed in an isolated mode through the elastic buffering assembly, so that the impact influence of large vibration generated when the cleaning machine works on the protective cover is small, and the protective cover is well protected.
Owner:SHENGZHOU YUTAI MASCH CO LTD
Connecting device for loading and unloading arm and tank opening
The utility model provides a connecting device for a loading and unloading arm and a tank opening, which belongs to the field of fluid loading and unloading and comprises a stand column, a loading and unloading arm body is mounted on the side wall of the stand column, a discharge pipe is communicated with the loading and unloading arm body, a sealing cap is slidably connected to the side wall of the discharge pipe, and the sealing cap is conical. A protection assembly is mounted on the loading and unloading arm body; an adjusting assembly; the adjusting assembly comprises an outer threaded pipe fixedly connected to the side wall of the discharging pipe, a lifting sleeve is slidably connected to the side wall of the discharging pipe, a supporting frame is fixedly connected to the upper end face of the lifting sleeve, a first rotating gear is rotationally connected to the upper end face of the supporting frame, and the outer threaded pipe penetrates through the first rotating gear in a threaded mode. According to the utility model, counter-acting force is applied to the sealing cap through the spring bracket, the sealing effect of canning is improved, and after the height of the can opening is reduced, the sealing cap is always attached to the can opening under the action of the elastic force of the spring bracket, so that the sealing effect of the sealing cap is ensured.
Owner:LIANYUNGANG HUATAI PETRO-CHEM MASCH CO LTD
Spring frame mounting structure for elastic cushion
The utility model discloses a spring bracket mounting structure for an elastic cushion, which belongs to the technical field of automobile accessories and comprises a spring bracket body, a hook is arranged at one end of the spring bracket body, a clamping component is arranged at the other end of the spring bracket body, and a reinforcing beam is arranged at one end of the middle of the spring bracket body. The other end of the middle of the spring support body is provided with a connecting piece, a fixing assembly is arranged above the connecting piece, and a fan is arranged in the fixing assembly. By arranging the clamping assembly, the effects that the spring support can be conveniently installed, the spring support can be suitable for different automobile installation beams, and the practicability is high are achieved, and the structure is convenient to use and high in practicability. According to the utility model, the positioning screw rod can be directly rotated, the clamping and fixing effect is good through the elastic assembly, the fixing assembly is arranged, the effect that the fan is conveniently installed so as to improve the comfort degree is achieved, the fan can be rapidly installed and disassembled in use, and the installation convenience is high.
Owner:WUXI XIDE METAL TECH CO LTD
Silencer for water supply pipeline of thermal power plant
The utility model discloses a thermal power plant water supply pipeline silencer which comprises a water supply curved pipe, the bottom of the water supply curved pipe is connected with a flow slowing assembly in a penetrating mode, a connecting plate is fixedly connected to the middle of the inner side wall of the water supply curved pipe, and a pressure bearing assembly is installed on the upper side wall of the connecting plate. The lower side wall of the connecting plate is fixedly connected with a plurality of spring frames distributed in a circumferential array mode, the interior of each spring frame is connected with a spring plate through a spring, the outer side wall of each spring plate is fixedly connected with a flow limiting assembly, the flow limiting assembly comprises a top plate, and the lower side wall of the top plate is fixedly connected with a flow limiting plate; a plurality of through holes are formed in the flow limiting plate, and a wedge block is fixedly connected to the outer side wall of the top plate. Water flows to the inside through the cohesive flow limiting plates, the flow speed of the water flows is limited through the through holes formed in the wedge-shaped blocks, the situation that the water flows impact the bent pipe part due to the fact that the flow speed of the water flows is too high is avoided, and noise generated when the water flows impact the bent pipe is effectively reduced.
Owner:NANJING YANGTSE POWER ENG CO LTD
Lifting support and display device
The utility model discloses a lifting support and a display device, the lifting support comprises a support body, a lifting seat and a constant force spring, the support body is provided with a chute extending along a first direction; the lifting base is slidably arranged in the sliding groove in the first direction. The constant force spring is arranged in the sliding groove, the constant force spring comprises a winding drum part and a connecting part which are connected, the winding drum part is rotatably arranged on the frame body, the rotating axis of the winding drum part is parallel to the thickness direction of the frame body, the connecting part is connected with the lifting seat, and the constant force spring can provide elastic force for keeping the lifting seat at a preset height for the lifting seat. The size of the lifting support in the thickness direction can be reduced.
Owner:SUZHOU CHENGRUN ELECTRONICS
Spring electroplating hanger
The utility model discloses a spring electroplating hanger which comprises an electroplating frame, the electroplating frame is fixedly connected with two sliding rails which are symmetrical front and back, each sliding rail is internally and rotatably connected with a threaded shaft, sliding blocks are in threaded connection with the threaded shafts, the upper end faces of the sliding blocks are fixedly connected with moving plates, and the lower end faces of connecting plates are fixedly connected with spring frames. A plurality of hanging blocks are fixedly connected to the left end face and the right end face of the spring support, a clamping groove is formed in each hanging block, a spring can be hung in each clamping groove, and after the springs are hung in the clamping grooves in the hanging blocks, the spring support is slowly moved downwards, so that the springs can be moved downwards into electroplating liquid in an electroplating bath to be electroplated. The spring electroplating is more uniform through the hanging mode, when the motor drives the threaded shaft to rotate, the sliding block can be driven to move up and down, and therefore the spring frame is driven to move up and down through the moving plate, and the spring is moved into the electroplating tank to be electroplated.
Owner:TIANJIN TONGDA YONGLI METAL SURFACE TREATMENT CO LTD
Novel arch-shaped frame of bulldozer
The utility model provides a novel bulldozer arch-shaped frame, which belongs to the field of bulldozers and comprises an arch-shaped frame main body, side arch-shaped frames are arranged at two ends of the arch-shaped frame main body, and a support component is jointly arranged on the two side arch-shaped frames; a fixing assembly; the fixing assembly comprises two limiting assemblies, each limiting assembly comprises a limiting block fixedly connected to one end face of the bow-shaped frame body, a limiting groove is formed in one side wall of the side bow-shaped frame, the limiting blocks and the limiting grooves are arranged in a matched mode, and a limiting cavity is formed in the side bow-shaped frame. A plurality of spring frames are fixedly connected to the inner wall of the side, away from the limiting block, of the limiting cavity. The device is designed to be in a sectional detachable mode, the device is convenient to disassemble and carry, the stability of the device can be improved through the arranged supporting rods, and the bearing capacity of the device is improved.
Owner:SHANDONG AOTE ENGINEERING MACHINERY CO LTD
spring shelf
1. Name of the designed product: spring shelf. 2. Use of the designed product: as fishing gear accessories. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.
Owner:谭军
Auxiliary device for mounting wooden furniture
ActiveCN223372676ULifting framesVibration suppression adjustmentsStructural engineeringMechanical engineering
The utility model discloses an auxiliary device for wooden furniture installation. The auxiliary device comprises a furniture suspension installation pushing mechanism. The furniture suspension installation pushing mechanism comprises upper supporting rails arranged on the two sides at intervals, and a plurality of supporting pushing rollers are installed in the upper supporting rails. The supporting and pushing roller is rotationally connected with an elastic lifting structure; a plurality of elastic roller structures are mounted on the upper supporting track; each elastic roller structure comprises spring supports installed on the two sides of the upper supporting track, each spring support is provided with a roller support through a plurality of spring structures, each roller support comprises wheel seats arranged on the two sides, a wheel shaft is fixedly connected between the wheel seats, and rollers are installed at the two ends of each wheel shaft. A lifting mechanism for lifting the upper supporting rail is mounted on the wheel shaft; the device further comprises anti-falling mechanisms hinged to the ends of the upper supporting rails respectively. According to the device structure, the installation difficulty and the installation workload of the suspended cabinet body are greatly reduced, and the suspended cabinet body with high installation difficulty is installed in a simple mode.
Owner:YANTAI CHANGYANG WOOD IND CO LTD
Automatic spring bracket assembling machine
The utility model discloses an automatic spring frame assembling machine, which belongs to the field of spring frame assembling machines and comprises a workbench, a plurality of connecting frames are fixedly connected to the top of the workbench, one side of each connecting frame is fixedly connected with a first shell, a first frame is fixedly connected to the top of the workbench, and a rotating shaft is rotatably connected to the inner side of the first frame. The two ends of the rotating shaft are fixedly connected with circular plates, one sides of the two circular plates are rotationally connected with connecting rods, the other ends of the two connecting rods are rotationally connected with the same first block, the top of the first block is fixedly connected with a first motor, and the output end of the first motor is fixedly connected with a clamping device. The spring frame cutting device is reasonable in structural design, a long spring can be automatically cut into small springs with proper sizes according to the requirements of a user through the cooperation of the worm gear, the worm, the screw rod and the blade, and the small springs and accessories can be automatically installed through the device through the cooperation of the clamping block, the first motor, the synchronous wheel and the synchronous belt, so that the spring frame is formed.
Owner:WUXI JUNYUAN MECHANICAL & ELECTRICAL TECHNOLOGY CO LTD
A spring coiling machine for spring production
The present invention relates to the technical field of spring production. It discloses a spring winding machine for spring production, comprising a base, a toggle mechanism, a feeding mechanism and a spring winding mechanism. The feeding mechanism comprises a second motor, a power output end of the second motor is fixedly connected to a receiving tray, a surface of the receiving tray is provided with a plurality of material openings near the edge, and a top surface of the receiving tray is fixedly provided with a plurality of accommodating frames located at the material openings. The present invention cooperates with the toggle mechanism and the feeding mechanism, and the first motor drives the toggle rod to rotate, which can drive the end of the connecting plate to rotate, and the blocking plate at the other end of the connecting plate will rotate in the opposite direction along the rotating shaft, and the spring frame in the accommodating frame will fall through the material opening to the conveying mechanism for transportation. Such a cyclic operation can realize non-stop feeding of the spring, replacing the trouble of traditional workers in storing springs, effectively improving work efficiency, and ensuring orderly arrangement of the springs.
Owner:EXCELLENT HARDWARE SPRING (SHENZHEN) CO LTD
A contact assembly assembly device
ActiveCN110534369BEasy to assembleImprove processing efficiencyElectric switchesPunchingStructural engineering
An assembly device for a contact assembly. The device solves the problem that the existing contact assembly is troublesome, time-consuming and labor-intensive. The device comprises a mounting frame, on which a turntable, a driving element for driving the turntable to rotate circumferentially, and a plurality of processing devices arranged around the turntable are provided. The turntable is provided with a plurality of fixture assemblies, and each processing device corresponds to a fixture assembly. Each processing device comprises a material ejection mechanism for clamping a spring frame into a contact blade for fixing, a punching mechanism for processing holes on the spring frame, and a material removal mechanism for removing materials from the fixture assembly. The fixture assembly is provided with fixtures at the material ejection mechanism, the punching mechanism, and the material removal mechanism. The material ejection mechanism, the punching mechanism, and the material removal mechanism are sequentially arranged on the turntable. The present invention also has the advantages of simple structure, convenient assembly, reliable operation, and long service life.
Owner:XINGJI ELECTRIC APPLIANCE CO LTD
Beef decomposing, cutting and fixing device
The utility model discloses a beef decomposing, segmenting and fixing device, and particularly relates to the technical field of beef decomposing, the beef decomposing, segmenting and fixing device comprises a bottom column, the top of the bottom column is fixedly connected with a supporting seat, the top of the supporting seat is fixedly connected with a plurality of clamping mechanisms, the clamping mechanisms are symmetrical pairwise, and storage trays are arranged among the clamping mechanisms; a slope sliding plate is slidably connected between the two assemblies, the first assembly comprises a base fixedly connected with the top of the supporting seat, the top of the base is fixedly connected with a limiting frame, a clamping plate is arranged at the top of the slope sliding plate, a spring frame is arranged outside the clamping plate, and the spring frame is fixedly connected with the slope sliding plate. In the beef decomposing and cutting process, the problem that a beef fixing device is difficult to fix when facing flat beef is solved through the arrangement of the clamping claws and the slope sliding plate, and then the problem that the cutting fixing angle is limited is solved through the arrangement of the sliding blocks and the threaded rods.
Owner:GANSU QILIAN MUGE IND CO LTD
Telescopic spring support
The utility model discloses a telescopic spring support, which belongs to the technical field of spring supports, and comprises a base, a mounting seat is arranged in the base, an outer sleeve is fixedly mounted at the top of the mounting seat, an inner sleeve is arranged in the outer sleeve, a circular plate is slidably abutted against the inner part of the inner sleeve, and the circular plate is fixedly mounted at the top of the mounting seat. A connecting rod is arranged at the top of the inner sleeve, a supporting frame is fixedly installed at the top of the connecting rod, the lengths of the telescopic spring and the supporting frame can be adjusted, vibration can be buffered, energy can be absorbed or different working strokes can be adapted, the spring frame can be prevented from being accidentally stretched or shortened in the working process, and the mechanism is simple, convenient to operate and high in practicability. Operators can quickly complete the mounting or dismounting work, the working efficiency is improved, great convenience can be brought to users no matter in the initial mounting stage or the subsequent maintenance and replacement process of equipment, a double-locking mechanism is achieved, and it is ensured that the spring frame can be always kept at the correct mounting position.
Owner:WUXI JUNYUAN MECHANICAL & ELECTRICAL TECHNOLOGY CO LTD
Sofa seat framework structure convenient for reducing packaging size
The utility model relates to the technical field of sofas, in particular to a sofa seat framework structure convenient for reducing the packaging size, which comprises two support frames arranged front and back, and two spring frames symmetrically arranged between the two support frames; each supporting frame comprises a first cross rod, first supporting rods are arranged at the two ends of the first cross rod, and a limiting groove is formed in the middle of the first cross rod. Two second cross rods are arranged in front of and behind each spring frame, second supporting rods capable of being inserted into the limiting grooves are arranged at the ends, close to the limiting grooves, of the second cross rods, the other ends of the second cross rods are arranged at the top ends of the first supporting rods and connected with the first supporting rods through screws, springs are arranged between the two second cross rods, and first connecting rods are arranged between the two second supporting rods. And a second connecting rod is arranged between the two second cross rods and is far away from one end of the first connecting rod. The sofa seat framework disclosed by the utility model is reasonable in structure, convenient and fast to disassemble and assemble by adopting a split assembly structure, convenient to store and transport after being disassembled, and capable of reducing the occupied space for storage and transportation.
Owner:ZHEJIANG RUIYI HOME TECHNOLOGY CO LTD
A grain unloading machine with buffering and damping functions
The utility model relates to unload grain machine technical field discloses a kind of unload grain machine with buffer shock-absorbing function, including horizontal support frame, the left side of the horizontal support frame is fixedly connected with inclined support frame, the front end of the inclined support frame is provided with control box.The unload grain machine with buffer shock-absorbing function is provided with hopper, spring frame, buffer spring and damper, when the grain conveyed falls to the inside of hopper, buffer spring can buffer hopper by the elasticity of itself, buffer hopper can effectively reduce the impact force of grain when falling, avoid grain to break or be damaged due to impact, damper in buffer spring can limit buffer spring, prevent the amplitude of hopper to be too large, the connecting plate of support block top end can slide up and down in the inside of spring frame, so that buffer spring and spring frame can be further limited, solve the problem that grain has greater impact force when falling, grain is easily broken or damaged due to impact.
Owner:HENGSHUI XINYUANLONG GRAIN MASCH CO LTD