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55results about How to "Improve compaction efficiency" patented technology

Establishment method for digital model of vibration system of road roller

The invention relates to the technical field of non-road mobile mechanical dynamics models, in particular to a method for establishing a digital model of a vibration system of a road roller. The method comprises the following steps: acquiring an initial pavement material vibration characteristic data set; performing multi-physical field coupling analysis on the initial pavement material vibration characteristic data set to obtain pavement material response characteristic data; performing dynamic system modeling on the vibration system of the road roller based on the pavement material response characteristic data to obtain an initial digital model of the vibration system; performing dynamic feature extraction on the initial digital model of the vibration system to obtain dynamic parameter mapping data of the vibration system; and performing parameter calibration on the initial digital model of the vibration system based on the dynamic parameter mapping data of the vibration system to obtain a digital model of the vibration system. The intelligent vibration system model can accurately capture the dynamic characteristics of soil, and the optimal compaction effect is achieved.
Owner:CHINA WATER CONSERVANCY & HYDROPOWER NO 9 ENG BUREAU CO LTD

Garden road tamping device

The utility model relates to a garden road tamping device which comprises a movable frame and a supporting plate, a plurality of limiting sleeves are arranged on the supporting plate at intervals, guide rods are arranged on the limiting sleeves in a sliding mode, tamping blocks are fixedly arranged at the bottom ends of the guide rods, and a crankshaft assembly used for driving the guide rods to move up and down in a reciprocating mode is rotationally arranged above the supporting plate. When the crankshaft assembly rotates, the multiple guide rods can be driven by the crankshaft assembly to do axial reciprocating motion, the guide rods drive the corresponding tamping blocks to do axial reciprocating motion, then the tamping blocks are driven by the guide rods to rapidly hammer the road surface, the flatness of the road surface is guaranteed, and the tamping efficiency is high.
Owner:ZHEJIANG DINGWANG ENVIRONMENTAL CONSTRUCTION CO LTD

Ditch tamping device for highway engineering construction and construction method of ditch tamping device

The invention relates to the technical field of construction devices, in particular to a ditch tamping device for highway engineering construction and a construction method thereof.The ditch tamping device for highway engineering construction comprises a frog tamping machine body, a U-shaped frame and an eccentric block, and the U-shaped frame and the eccentric block are arranged on the frog tamping machine body. In combination with transmission of the parallel double-swing-arm assembly, tamping force can be efficiently transmitted to the main tamping plate and the side tamping plate, comprehensive and uniform tamping of the bottom and the side wall of a ditch is achieved, meanwhile, innovative elements such as the parallel double-swing-arm assembly, the linkage piece and the pressure balance assembly are integrated, and the tamping efficiency is improved through the structures; and the balance distribution of tamping force is ensured, the problem of local excessive tamping or insufficient tamping is avoided, meanwhile, the tamping requirements of the ditches with different sizes can be met, and the ditches with different depths and widths can be effectively tamped by adjusting the positions of the main tamping plate and the side tamping plate and utilizing the transmission effect of the linkage piece.
Owner:QINHUANGDAO ROAD&BRIDGE CONSTRUCT DEV CO LTD

Waterproof coiled material compacting device

The utility model provides a waterproof coiled material compacting device, which belongs to the technical field of waterproof coiled materials and comprises a connecting plate, the bottom of the connecting plate is rotatably connected with a compacting roller through a rotating shaft, the top of the connecting plate is provided with an operating rod, two sides of the rotating shaft are oppositely provided with a connecting shaft and an auxiliary roller, and the side part of the connecting plate is provided with a connecting groove capable of being clamped on the connecting shaft in a penetrating manner; the auxiliary roller is slidably connected with a connecting plate for shielding the connecting groove, a limiting groove is formed in the position, at the connecting groove, of the auxiliary roller in a relatively penetrating mode, and a limiting assembly for limiting the limiting groove is arranged on the connecting plate. According to the waterproof roll compacting device, the limiting assembly is arranged, the connecting plate is inserted into the connecting groove, then the limiting assembly is used for limiting the limiting groove, the overall operation is simple, the compacting area of the compacting device can be changed according to the actual situation, the compacting efficiency of the waterproof roll is improved, and the application range of the waterproof roll compacting device is widened.
Owner:JIANGXI CAIXIA WATERPROOF MATERIAL CO LTD

Pressing mechanism of hot press

The utility model discloses a hot press pressing mechanism which comprises a base, second air cylinders are installed on the two sides of the base, an installation plate is installed at the output ends of the second air cylinders, and a side hot pressing plate is installed on the side, away from the second air cylinders, of the installation plate. The mounting groove is formed in the base, a connecting bearing is mounted in the mounting groove, a connecting column is arranged in the connecting bearing in a penetrating manner, a worm wheel is mounted below the connecting column, a supporting plate is mounted above the connecting column, and a lower hot pressing plate is mounted above the supporting plate; an adjusting motor is mounted on the right side of the mounting groove, and a worm is mounted at the output end of the adjusting motor. According to the pressing mechanism of the hot press, the second air cylinders and the side hot pressing plates are arranged on the two sides of the base and matched with the rotatable supporting plates, hot pressing on the side edges of parts is achieved, the pressing efficiency of the hot press is improved, meanwhile, operation of workers is reduced, and the workers are prevented from being injured.
Owner:SHANDONG NEW SKY ENVIRONMENTAL PROTECTION TECH CO LTD

Adjusting type foundation tamping device based on civil construction

The invention discloses an adjustable foundation tamping device based on civil construction, and belongs to the technical field of civil construction, the adjustable foundation tamping device comprises a tamping roller rotatably connected to the middle of the bottom of an outer shell, a driving assembly for driving the tamping roller to rotate is arranged on the outer side wall of the driving assembly, and a notch is formed in the side wall of the outer shell in a penetrating manner; a compaction assembly matched with the notch is arranged in the outer shell, and an adjusting assembly communicating with the compaction assembly is arranged at the top end of the outer shell. The multiple side faces of a groove are movably tamped through the compacting assembly, the stability of the two sides of the groove is improved, the collapse problem of the two sides of the groove is avoided, the extending degree of the compacting assembly can be adjusted through the arranged adjusting assembly, the side faces of the groove are tamped in an adjustable mode, the operation mode of tamping the side faces of the groove is flexible and changeable, and the working efficiency is improved. The requirements of grooves with different depths and widths can be quickly met, the comprehensiveness and uniformity of tamping operation are ensured, the project progress is accelerated, the maintenance cost is reduced, and the overall project quality is improved.
Owner:HUBEI JINSHI CONSTRUCTION CO LTD

Device for uniformly pressing filler between cables

The utility model relates to the field of cables, in particular to a device for uniformly pressing fillers between cables. The utility model provides the uniform pressing device for the fillers between the cables, which can adjust the angle of the outer pressing plate to adapt to the pressing of the cable fillers with different sizes, is convenient to adjust the compaction degree of the cables, and improves the use flexibility of the device. A device for uniformly pressing fillers between cables comprises a mounting frame, a rotating pipe, a fixing frame, rotating pieces and the like, the rotating pipe is rotationally connected to the upper right portion of the mounting frame, the fixing frame is connected to the left side of the rotating pipe, and the nine rotating pieces are rotationally connected to the left portion of the fixing frame. The electric push rod drives the outer pressing plate to rotate so as to drive the inner pressing plate to rotate, the torsion spring deforms, so that the inner pressing plate is attached to the cable, the rotating angle of the outer pressing plate is adjusted, the angle of the outer pressing plate can be adjusted to adapt to pressing of cable fillers of different sizes, and the compaction degree of the cable can be adjusted conveniently; and the use flexibility of the device is improved.
Owner:JIANGXI ZHONGCHANG CABLE TECHNOLOGY CO LTD

Track trolley timing fixing frame fixing device

The utility model relates to a fixing device of a track trolley timing fixing frame, which belongs to the technical field of educational equipment and comprises a fixing frame body, a track body is mounted at one end of the fixing frame body, a fixing plate extending upwards is fixed at the other end of the fixing frame body, and a timer is further mounted in the fixing frame body. An arc-shaped spring piece is arranged on the side, close to the fixing plate, of the timer in an attached mode, a butterfly bolt penetrates through the outer side of the fixing plate in a threaded mode, and the end of the butterfly bolt abuts against the arc-shaped spring piece. The fixing device is good in fixing effect and easy and convenient to operate.
Owner:FUJIAN PROVINCIAL EDUCATION EQUIP & INFRASTRUCTURE CENT +2

Prefabricated building prefabricated wallboard mold

The utility model discloses an assembly type building prefabricated wallboard mould which comprises a bottom plate, an outer mould plate, a middle mould plate and a side mould plate, a plurality of vertical rods are respectively arranged on the outer side of the outer mould plate, the vertical rods are higher than the outer mould plate, and the higher parts of a pair of opposite vertical rods are connected with detachable opposite-pull screw rods; a plurality of supporting seats are arranged on the two sides of the bottom plate respectively, and adjustable ejector rod assemblies are arranged between the supporting seats and the vertical rods. A plurality of vibration exciters are further arranged on the outer side of the outer formwork. The prefabricated wallboard mold is simple in structure and easy to manufacture and use, concrete prefabricated wallboards can be produced in batches, and the production efficiency is high; and in addition, good flexibility and controllability are achieved, a plurality of concrete prefabricated wallboards with different thicknesses and sizes can be produced in the same mold, and the application range of the mold is widened.
Owner:HUANGSHI ZHONGDU ASSEMBLY TECH CO LTD

Rapid tamping device for local foundation

A rapid tamping device for a local foundation comprises an excavator body, the excavator body is connected with a large arm, the large arm is connected with a small arm, oil cylinders are arranged on the large arm and the small arm respectively, a support is hinged to the small arm and the oil cylinder of the small arm together, a left fixing plate and a right fixing plate are arranged below the support, and the left fixing plate and the right fixing plate are connected with the excavator body. A lead screw is arranged between the left fixing plate and the right fixing plate, a mounting plate is arranged on the outer wall of the left fixing plate, a motor is arranged on the mounting plate, an output shaft of the motor is connected with the lead screw, a connecting block is arranged on the lead screw, a threaded hole is formed in the connecting block, and the connecting block is in threaded fit with the lead screw through the threaded hole. A left air cylinder and a right air cylinder are arranged at the bottom of the connecting block, piston rods of the left air cylinder and the right air cylinder are fixedly connected with connecting plates, and the two connecting plates are jointly and fixedly connected with a tamping assembly.
Owner:POWERCHINA HUADONG ENG CORP LTD +1

An automatic control compaction system for underwater block bed with hydraulic drive mechanism

The present invention discloses an underwater block stone bed automatic control compaction system with a hydraulic drive mechanism, comprising a barge, a rammer and a lifting and rammer mechanism for lifting or lowering the rammer, the lifting and rammer mechanism comprising a machine base, characterized in that two mutually parallel and spaced guide rails are fixed on the barge, the machine base is slidably connected to the two guide rails, and the compaction system further comprises a hydraulic drive mechanism for driving the machine base to slide. The present invention can adjust the position of the rammer as needed, thereby adjusting the ramming point position of the rammer, and can very conveniently realize the positioning of the ramming point, ensure the construction quality, and have high compaction efficiency. The present invention can make the machine base slide in parallel, improve the stability of the machine base movement, and can cover the ramming width of the bed at one time. After the working barge is positioned once, multiple rows can be compacted.
Owner:CCCC FOURTH HARBOR ENG CO LTD

Lapping machine cooling system

The utility model relates to the technical field of lapping machines, and discloses a lapping machine cooling system which comprises a machine tool, a lapping bed is fixedly installed on one side of the machine tool, baffles are fixedly installed on the two sides of the lapping bed, fixing plates are arranged on the two sides of the top ends of the baffles, and first motors are fixedly installed at the top ends of the fixing plates. A fixing plate and a second motor are arranged at the tops of two baffles, pressing treatment can be conducted through a pressing roller after net laying is completed, and before pressing, cold water is injected into the pressing roller by opening a wooden plug in a water injection hole, and then the pressing roller is sealed through the wooden plug, so that in the pressing process of the pressing roller, the water injection hole is sealed through the wooden plug; and the position of the top plate can be adjusted, so that the position of the guide frame can be changed, the practicability of the pressing roller can be improved, the pressing roller can be driven to roll on the basis of the horizontal plane of the guide frame through starting of a second motor, and the pressing efficiency is improved.
Owner:GUANGDONG ZHICHENG NONWOVEN TECHNOLOGY CO LTD

A high temperature co-electrolyzer cell stack module structure

The application discloses a high-temperature co-electrolysis cell stack module structure and relates to the technical field of fuel cells, which comprises an electric pile group and a pipeline assembly; the electric pile group comprises six electric piles which are arranged in a regular hexagon around a central position and are left empty in the central position; the electric pile comprises a top plate and a bottom plate, and the top plate and the bottom plate are in a regular hexagon structure; the electric pile further comprises four groups of stretching assemblies, the stretching assembly comprises a pull rod and a spring, and the spring is in a stretching state; the pipeline assembly comprises an air inlet pipeline and an air outlet pipeline; the gas entering a total gas inlet is shunted to the first gas inlets of the six electric piles, and the gas entering a total air inlet is shunted to the first air inlets of the six electric piles; the air outlet pipeline comprises a total gas outlet and a total air outlet, and the gas flowing out of the first gas outlets and the first air outlets of the six electric piles is respectively converged to the total gas outlet and the total air outlet. The application adopts a honeycomb six-pile ring arrangement structure, and the compactness and the modularization level of the system are significantly improved.
Owner:CHANGZHOU GREX ENERGY TECHNOLOGY CO LTD

Highway subgrade filling material compaction test device

The utility model discloses a highway subgrade filling material compaction test device, which comprises a base, a machine body and a control assembly, one end of the machine body is fixedly provided with a compaction rod, one end of the base is movably provided with a material placing box, and the end face of the base is fixedly provided with a limiting assembly for limiting the material placing box. Through the arrangement of the top plate, the through hole, the top block, the sliding block, the sliding groove and the like, after the compaction rod extrudes a filling material in the material taking box, the material placing box is pulled to move to the edge of one end of the placing groove, and the push plate is pushed to extrude the top block, so that the filling material in the material placing box can be ejected out of the material placing box; compared with a traditional mode that a worker uses a tool or a demolding machine, the device is more convenient and faster, and the overall compaction efficiency of the device is effectively improved.
Owner:INNER MONGOLIA XINKAIYUAN CONSTR CO LTD

Novel extruded adobe n-shaped steel

The utility model provides novel extruded adobe n-shaped steel. Comprising a first template and a second template which are used for shaping a soil blank, and a bottom plate which is convenient for compacting the soil blank is propped against the lower part of the first template, so that the whole equipment can be used for compacting only by finding a flat ground instead of finding a flat and smooth hard ground for compacting; and the manufacturing of the adobe bricks is not limited by positions. A fixing block which is used for clamping and fixing the first template and the second template to prevent adobe damage or deformation caused by mold dislocation during compaction is fixed on the bottom plate, mold movement is avoided, adobe damage or deformation caused by mold dislocation can be reduced, and therefore material waste is reduced. The first template and the second template are connected by inserting the connecting mechanism, limiting blocks for preventing the connecting mechanism from moving in the tamping process are fixed to the two sides of the first template, and the limiting blocks can ensure that the size and the shape of an adobe meet the design requirements in the tamping process.
Owner:SHAN DONGYANG GREENHOUSE TECH CO LTD

Asphalt pavement rolling device

The utility model discloses an asphalt pavement rolling device which comprises a machine body, two supporting rods are welded to the bottom face of the machine body, the side faces, close to each other, of the two supporting rods are jointly connected with a rotating shaft, a groove is formed in the upper surface of the machine body, and two sliding grooves are formed in the upper surface of the machine body. And a threaded rod is rotationally connected to the inner wall of the groove, a fixing base is bolted to the bottom face of the machine body, a first motor is arranged on the upper surface of the fixing base, and a first sliding block is slidably connected to the inner wall of the groove. According to the utility model, the fixed block, the sliding block I and the threaded rod are arranged, the sliding block I is driven by the motor I to move horizontally to drive the balancing weight I to move, and the horizontal movement of the sliding block I is accurately controlled by the motor I, so that the position of the balancing weight I can be accurately adjusted, and the weight distribution of the road roller is accurately controlled; the contact pressure between the road roller and the road surface can be changed by adjusting the position of the balancing weight I, so that the compaction efficiency is improved.
Owner:Yantai Penglai District Yida Road and Bridge Engineering Co., Ltd. +1

Intelligent concrete dam rolling construction equipment

The invention discloses intelligent concrete dam rolling construction equipment, and relates to the technical field of concrete dam construction. Comprising a vehicle body, and a rolling mechanism used for heating and melting frozen water in concrete is mounted on the vehicle body through a mounting frame. By arranging the rolling mechanism, concrete can be heated while the surface of the concrete is rolled, so that ice on the surface of the concrete is melted, and by arranging the wetting mechanism, the concrete can be wetted under the condition that the humidity of the concrete is low; the effect of improving the strength and the compaction efficiency after rolling in environments with different requirements is achieved, the strength of concrete can be detected through the arranged strength detection mechanism, and the purpose of controlling the rolling effect is achieved by changing the pressure applied by the rolling mechanism to the concrete in cooperation with the pressure adjusting mechanism according to the strength of the concrete; and cracks or other defects generated in the concrete due to the fact that the applied pressure is too large are avoided.
Owner:SINOHYDRO BUREAU 5

Tamping device for road construction

The utility model discloses a tamping device for road construction, and particularly relates to the technical field of road construction, the tamping device comprises a base provided with moving wheels, the upper end face of the base is covered with an outer cover, a through groove is formed in the upper end face of the base and located at the lower end of the outer cover, a tamping assembly is arranged in the outer cover, and a cleaning structure is arranged on the base. A switch panel is installed on the outer surface wall of the outer cover, and a handrail is installed on one side of the upper end face of the base. Through the arrangement of the cleaning structure, the tamping device has the function of cleaning the bottom of the hammering disc and can scrape off soil adhered to the bottom of the hammering disc after tamping, so that the effect of cleaning the hammering disc is achieved, it is ensured that no soil is adhered to the bottom of the hammering disc during next tamping operation, and the tamping efficiency is improved. And the situation that the ground is not flat easily due to the fact that the hammering disc stuck with soil continues tamping the foundation is avoided, the tamping flatness of the foundation is guaranteed, and the tamping quality is guaranteed.
Owner:王业飞

Fireproof plugging device capable of being shaped and recycled

The utility model belongs to the technical field of building construction, and particularly provides a fireproof plugging device capable of being shaped and recycled, which comprises an arc-shaped door frame, an inner sliding groove, an outer sliding groove, an inner sliding plate and an outer sliding plate, and the inner sliding groove and the outer sliding groove are arranged on two sides of the arc-shaped door frame at intervals and are arranged along the length direction of a vertical column on the arc-shaped door frame. The two sides of the inner sliding plate and the two sides of the outer sliding plate are slidably connected with the two inner sliding grooves and the two outer sliding grooves respectively, the end, close to the bottom of the stand column, of the inner sliding plate is connected with a sealing plate through a 90-degree hinge, the opposite end of the outer sliding plate is connected with a push plate, and a cavity used for containing plugging materials is defined by the inner sliding plate, the outer sliding plate, the sealing plate and the push plate. The cavity can be opened through relative sliding of the inner sliding plate and the outer sliding plate, plugging materials are added, meanwhile, the outer sliding plate slides to drive the push plate to convey the plugging materials into a gap through the sealing plate, meanwhile, the plugging materials in the gap are compacted through the sealing plate by sliding the inner sliding plate, and therefore the plugging compactness is greatly improved.
Owner:CHINA RAILWAY CONSTRUCTION ENGINEERING GROUP

A compaction device for highway maintenance

This utility model relates to a compaction device for highway maintenance, belonging to the field of highway maintenance technology. It includes a connecting chamber with a partition fixedly connected inside. A connecting groove is formed on the bottom surface of the connecting chamber. A compaction component for compacting the highway is provided on the connecting chamber. The compaction component includes a linkage plate, which is placed inside the connecting groove. Two connecting plates are fixedly connected to the bottom surface of the linkage plate, and a pressure plate is fixedly connected between the bottom surfaces of the two connecting plates. Two toothed plates are fixedly connected to the top surface of the linkage plate. This highway maintenance compaction device, through the meshing of gears and toothed plates, drives the pressure plate to move, thereby compacting the road surface. This facilitates operation by workers. Furthermore, the sliding connection between the sliding plate and the sliding groove supports the linkage plate, improving its stability and service life, making it more convenient and practical.
Owner:ZHUZHOU YUAO CONSTRUCTION ENGINEERING CO LTD

Automatic conveying and capping production line for hardcover boxes

The utility model discloses an automatic conveying and capping production line for hardcover boxes, which belongs to the technical field of hardcover box production and comprises a rack, a placing frame fixedly mounted on the inner bottom wall of the rack, an air cylinder fixedly mounted on the inner top wall of the rack, a pressing plate fixedly mounted at the telescopic end of the air cylinder, and a ball screw rotationally connected in the rack. A rotating motor is fixedly installed on the right side face of the rack, the right end of the ball screw penetrates through the rack and is fixedly connected with the power output end of the rotating motor, the outer surface of the ball screw is in threaded connection with a movable frame, two sets of hydraulic rods are fixedly installed on the bottom face of the movable frame, and a connecting plate is fixedly installed at the telescopic end of each hydraulic rod. According to the automatic conveying and capping production line for the hardcover boxes, by arranging the machine frame, the placing frame, the air cylinder, the pressing plate, the ball screw, the rotating motor, the moving frame, the hydraulic rod, the connecting plate, the electric push rod and the clamping plate, the purpose that the production line automatically compacts the hardcover boxes is achieved, and therefore the compacting efficiency of the hardcover boxes is improved.
Owner:LIHUA COLOR PRINTING (KUNSHAN) CO LTD

Concrete vibrator for basement construction

The utility model relates to the technical field of building construction, and particularly discloses a concrete vibrator for basement construction, which comprises a supporting mechanism, and a vibrating mechanism for vibrating concrete up and down is arranged on the supporting mechanism; the supporting mechanism comprises a support, pressing rollers are arranged at the bottoms of the front side and the rear side of the support, and a handle is installed on the support. The vibrating mechanism comprises mounting bases oppositely arranged on the opposite faces of the support, and the mounting bases are correspondingly arranged up and down. Through the arrangement of a supporting mechanism and a vibrating mechanism, in the process that a double-shaft motor drives a protruding block to swing, a supporting plate moves up and down on a guide column, up-down vibration is buffered through a first spring and a second spring on the upper side and the lower side of the supporting plate, and concrete on the lower side is continuously tamped through a tamping rod at the lower end of the supporting plate; and in the whole moving process, the compression roller flattens the concrete, the scraping assembly on the upper side of the compression roller scrapes the concrete adhering to the surface of the compression roller, and the overall using effect is improved.
Owner:THE SECOND CONSTRUCTION ENGINEERING CO LTD CCSEB

Ground leveling and tamping equipment for foundation driving pile on construction site

The invention relates to the technical field of ground leveling and tamping equipment, and discloses construction site foundation pile driving ground leveling and tamping equipment which comprises a supporting frame, a driving assembly is arranged in the supporting frame, a power transmission assembly and two transmission assemblies are arranged on the two sides of the supporting frame correspondingly, and the transmission assemblies are connected with the power transmission assembly and the driving assembly correspondingly. And auxiliary supporting assemblies are arranged on one sides of the two power transmission assemblies correspondingly. Through the design of the ramming assembly, when the ramming assembly performs ramming on the ground, the multiple bevel auxiliary ramming blocks firstly perform pre-pressing ramming on the ground, at the moment, an outer spring is compressed, and the multiple bevel auxiliary ramming blocks slide towards the inclined upper portion along the bevel of the bevel main ramming block till the bottom end of the bevel main ramming block makes contact with the ground, so that the ramming efficiency is improved. By means of repeated ramming, the leveling effect of the foundation pile ground in the construction site is improved, and meanwhile the ground ramming efficiency is improved.
Owner:SHENYANG UNIVERSITY OF TECHNOLOGY

Compressing tool for clamping sleeve straight-through one-way valve

The utility model relates to the technical field of pressing tools, and discloses a pressing tool of a clamping sleeve straight-through one-way valve, which comprises a base, a pressing table and an adjusting assembly, the rear end of the base is fixedly connected with an L-shaped support, the adjusting assembly is arranged in the base, the top of the base is fixedly connected with the pressing table, the top of the base is provided with a bottom plate, and the L-shaped support is fixedly connected with the bottom plate. An optical shaft is rotationally connected to the interior of the bottom plate, a toothed rotating plate is fixedly connected to the exterior of the optical shaft and rotationally connected to the exterior of the bottom plate, a first clamping jaw is rotationally connected to the exterior of the toothed rotating plate, and a hydraulic telescopic rod is fixedly connected to the top of the L-shaped support. The clamping sleeve, the one-way valve and the sectional material are clamped through the second clamping jaw and the first clamping jaw respectively, so that the clamping sleeve and the one-way valve are fixed to the sectional material, the clamping sleeve, the one-way valve and the sectional material are pressed, the pressing efficiency is improved, the pressing degree is kept consistent, and the performance and reliability of a product are improved.
Owner:NINGBO YURUI MACHINERY TECHNOLOGY CO LTD

Plastic template row stamping and pressing device

The utility model relates to the technical field of plastic templates, in particular to a plastic template row stamping and pressing device which comprises a workbench, a stamping device is fixedly installed in the middle of the top end of the workbench, pressing assemblies are symmetrically arranged on the two sides of the top end of the workbench, and the edges of plastic templates are pressed and fixed through the pressing assemblies. The pressing assembly comprises two electric push rods which are correspondingly arranged, the two electric push rods are fixedly installed in installation grooves formed in the two sides of the workbench in an embedded mode, installation bases are fixedly connected to the telescopic ends of the tops of the electric push rods on the two sides, the installation bases are arranged to be U-shaped, and rotating rods are rotatably installed in the middles of the installation bases on the two sides in a penetrating mode; a sliding groove is formed in the position, opposite to the installation groove, of the workbench, an installation plate is installed in the sliding groove in a sliding mode, the two sides of the plastic formwork can be pressed and fixed at the same time through the pressing assembly, and work efficiency is improved.
Owner:WEIHAI ZHONGHONG ALUMINUM TECH CO LTD

A clamping device and a lifting tool

This invention relates to the field of equipment hoisting and relocation construction technology, and particularly to a clamping device and a lifting tool. The clamping device includes a mounting base, a linkage mechanism, a transition mechanism, and a pressure block mechanism that are hinged sequentially. The linkage mechanism is hinged to a telescopic mechanism. The mounting base can be adapted to connect to a slot mechanism, which includes a slot for holding the mounting base, and the mounting base can slide along the slot. During the movement and lifting process, the pressure block mechanism can maintain its structural stability through gravity, keeping its bottom plane relatively horizontal and avoiding a large angle between it and the hoisted equipment. This allows for better contact with the hoisted equipment. Simultaneously, the mounting base can move through the slot mechanism, changing the relative position of the clamping device and the hoisted equipment, enabling the pressure block mechanism to press onto a designated area. This adapts the clamping device to the shape and structure of the hoisted equipment, and the position adjustment is convenient, improving the clamping effect and efficiency.
Owner:SICHUAN HONGHUA PETROLEUM EQUIP CO LTD

Vibration conveying device

The invention provides a vibration conveying device which comprises a conveying assembly, a material containing tool, a vibration assembly and a lifting assembly. The material containing tool is arranged on the conveying assembly and is driven by the conveying assembly to conduct conveying. The vibration assembly is located below the conveying assembly. The lifting assembly is located below the vibration assembly and is in driving connection with the vibration assembly, the lifting assembly can drive the vibration assembly to ascend and descend, and the displacement of the vibration assembly during ascending is larger than the height difference between the vibration assembly and the material containing tool, so that the vibration assembly makes contact with the material containing tool during ascending and lifts the material containing tool to be separated from the conveying assembly; the vibration assembly drives the material containing tool to vibrate. The problem that in the prior art, a vibration device is poor in compaction effect is solved.
Owner:MESNAC CO LTD +1

Crushed earth and stone tamping mechanism for earth and stone engineering

The utility model discloses a broken earth and stone tamping mechanism for earth and stone engineering, and relates to the technical field of earth and stone engineering, the broken earth and stone tamping mechanism comprises a mounting plate, one side of the mounting plate is provided with a protection assembly, and the protection assembly is used for preventing broken stone splashing generated by earth and stone tamping. The protection assembly comprises a connecting frame, connecting springs, a sliding plate, a connecting shell and a movable protection plate, the connecting frame is fixed to one side of the mounting plate, the bottom of the connecting frame is of a hollow structure, the connecting springs are symmetrically mounted on the inner side of the bottom of the connecting frame, the sliding plate is mounted at the bottoms of the connecting springs, and the sliding plate is located in the connecting frame; a connecting shell is installed at the bottom of the sliding plate, and the top of the movable protection plate is movably installed in the connecting shell. The movable protection plate in the protection assembly can shield splashed gravel soil blocks, and the situation that the legs of workers are injured by the splashed gravel soil blocks is avoided.
Owner:ANHUI HANQING CONSTRUCTION ENGINEERING CO LTD