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47results about How to "Limited activity space" patented technology

Large-sized open mouthed combined methane tank

The invention discloses a large-scale open compound methane tank, including a fermenting tank (1), a gas collection and storage device (2), and an air feeder (3) connected with the fermenting tank, wherein, the fermenting tank includes a plurality of independent fermenting tanks which can be communicated or disconnected mutually. The methane tank also includes the gas collection and storage device, the air feeder, a solar warming device, a charging / discharging device and an anti-encrustation device of the methane tank. When in use, as the structure of the invention is provided with a plurality of independent fermenting tanks, the air can be fed continuously in the raw material renewal process; the charging / discharging device accelerates the material charging and discharging; the gas collection and storage device of the methane tank has low construction cost, a software cover can be opened or retracted according to gas production, a gas collection and storage chamber can be changed according to the methane quantity, the pressure in the gas collection and storage chamber can not be too high, and the solar warming device increases the temperature in the methane tank so as to lead the straw material to produce the methane under the suitable temperature in winter; and a circulating pump is used for spraying the methane fluid onto the straw material through a nozzle so as to avoid encrustation.
Owner:南阳市绿野循环农业研究所 +1

Loading and unloading vehicle suitable for rapidly replacing battery box of pure electric vehicle

The invention relates to a loading and unloading vehicle and particularly relates to the loading and unloading vehicle suitable for rapidly replacing a battery box of a pure electric vehicle. A height regulating mechanism is connected on an outer vehicle body, a movable box body is arranged on the height regulating mechanism and rolling wheels are respectively arranged on the periphery of the movable box body; and baffle plates of the movable box body are respectively arranged on the two sides of the upper end of the movable box body, a push-pull rod is connected on the outer vehicle body, side baffle plates of the outer vehicle body are respectively arranged on the two sides of the outer vehicle body, and wheels are arranged at the bottom of the outer vehicle body. The loading and unloading vehicle can control the movable box body to move up and down, the height can be regulated flexibly, electricity utilization is not required, the loading and unloading vehicle is suitable for the electric vehicles in different types, the structure is simple, the operation and the maintenance are convenient, and the loading and unloading vehicle can be used for transportation of batteries of theelectric vehicles in different heights, realize the rapid loading and unloading of the power battery box and improve the stability of the whole vehicle. The product according to the invention can push the large-scale commercial development of the pure electric vehicles and further has social and economic benefits with better prospects.
Owner:STATE GRID LIAONING ELECTRIC POWER RES INST +1

Multifunctional fixation fence for ruminant animals

ActiveCN108524048ABaoding is convenientContinuous width adjustmentAnimal fetteringRuminant animalEngineering
The invention provides a multifunctional fixation fence for ruminant animals, and belongs to the technical field of ruminant animal fixation equipment. The fence comprises a bottom frame and two fences oppositely arranged at two ends of the bottom frame, wherein two enclosing structures are arranged on the part, between the two fences, of the bottom frame, two lateral moving fences are oppositelyarranged on the part between the two enclosing structures, wherein a drawing enclosing plate is arranged the gap between one of the enclosing structure and one of the lateral moving fence, and two neck clamping plates are arranged on the part between the other enclosing structure and the other lateral moving fence correspondingly. The multifunctional fixation fence has the advantages that the overall structure is reasonably arranged to further restrict the moving space of the ruminant animals, so that an operator conveniently performs operations such as blood drawing, infusion and the like onthe ruminant animals standing on an experiment operating area, and therefore the successful rate of experiments is improved.
Owner:INST OF ANIMAL SCI & VETERINARY MEDICINE SHANDONG ACADEMY OF AGRI SCI

Concrete stirrer high in safety performance

The invention discloses a concrete stirrer high in safety performance. The concrete stirrer high in safety performance comprises a weighing device, a hopper, a climbing frame, a lifting mechanism anda stirring main machine fixed to a bottom frame; the climbing frame is obliquely arranged in the direction of the stirring main machine and is fixed to the bottom frame; the hopper moves along a trackon the climbing frame through the lifting mechanism; the stirring main machine comprises a stirring tank which is provided with a main machine cover; the top face of the main machine cover is provided with a center feeding port, the side face of the main machine cover is provided with a water inlet, and the side opposite to the side face of the main machine cover is provided with a lateral feeding port; a supporting frame which the weighing device is fixed to is arranged on the two sides of the stirring tank; the weighing device comprises an external adding agent scale, a water weighing hopper and a cement weighing hopper; the water weighing hopper is connected to the water inlet through a water conveying pipe; a liquid outlet of the external adding agent scale supported through a suspending frame is right opposite to an opening of the water weighing hopper; a material outlet of the cement weighing hopper is right opposite to the center feeding port of the main machine cover; and whenthe hopper is lifted to an extreme, an unloading port of the hopper is connected with the lateral feeding port. The concrete stirrer high in safety performance is high in automatic control degree andsafety performance.
Owner:佛山市诺通重工科技有限公司

Belt for holding baby

The invention discloses a belt for holding baby, which includes a knapsack, a safety buckle group fixed on the knapsack and a vest detachably connected with the knapsack, wherein the lower end of theknapsack is convexly provided with two leg support opponents. The two support opponents can connect with each other to form a bearing part for baby riding. The bearing part can reinforce the supporting when the baby rides, and further restrict the activity space of the movement of the baby's legs to the sides to ensure the comfort and security for baby riding, and make the baby's riding position more scientific and reasonable to ensure the healthy growth of bones; at the same time, besides the belt for holding baby can be used alone, the belt for holding baby can also be used with the waist stool or directly stuck to the baby car to use, which is more convenient.
Owner:WONDERLAND NURSERYGOODS CO LTD

Anti-falling pin for power transmission line

The invention discloses an anti-falling pin for a power transmission line, and relates to the field of power transmission line engineering. An iron tower is assembled, all components are connected through bolts, in order to guarantee the safety and stability of connection, except nuts for fixation, screws with holes in the tail portions are used, pins are inserted into the screws, traditional pinscan be roughly divided into cotter pins, closed pins and the like, but due to the fact that the structure is too simple, hidden danger such as loosening and falling of the pins often exists. The anti-falling pin comprises a first arc part, a second arc part, a first straight line part and a second straight line part which form a runway shape, the right end of the first arc part is folded inwardsto form an inwards-folded straight line part, the upper end of the second straight line part extends to form an outwards-extending straight line part, the right end of the first arc part is tightly attached to the second straight line part, and the inwards-folded straight line part and the outwards-extending straight line part are coplanar with the runway-shaped main body structure. The anti-falling pin is simple in structure and good in sealing performance, the moving space of the pin can be effectively limited in the bolt hole, the pin cannot loose and fall off easily, and the safety is improved.
Owner:浙江省送变电工程有限公司 +2

Device for mouse sarcopenia modeling

The invention discloses a device for mouse sarcopenia modeling, and belongs to the field of mouse feeding. The device comprises a lower box body, an upper cover and a partition plate assembly, wherein the partition plate assembly is arranged in the lower box body and used for dividing the inner space of the lower box body into a plurality of mouse activity areas, breathable covers are arranged at the tops of the mouse activity areas, the top of the lower box body is covered with the upper cover, and the upper cover is provided with an air inlet and an air outlet. According to the device for the mouse sarcopenia modeling, the activity space of a mouse can be limited, cleaning is convenient, the water intake, food intake and activity amount of the mouse can be automatically read, interference of other environmental conditions is eliminated, and the mouse sarcopenia modeling is convenient.
Owner:WEST CHINA HOSPITAL SICHUAN UNIV

Pressure-balancing one-way valve for coiled-tubing layering fracturing

ActiveCN102926704AFunction as a one-way valveEasy to blast and perforateFlushingWell/borehole valve arrangementsUpper jointCoiled tubing
The invention discloses a pressure-balancing one-way valve for coiled-tubing layering fracturing. The pressure-balancing one-way valve comprises an upper joint, a limiting connecting sleeve, a body, a sealing head and a lower joint which are successively connected, wherein the inner part of the upper joint is of a hole-shrinkage cavity structure, a check ring and a sealing ball are mounted in a cavity in the upper part of the upper joint, the sealing ball is mounted at a hole shrinkage part, the check ring is mounted above the sealing ball, the lower end of the upper joint is fixedly connected with the sealing head and the sealing head is sleeved on the upper joint, the limiting connecting sleeve is sleeved on the upper joint, the body is sleeved on the limiting connecting sleeve and the sealing head and fixedly connected with the limiting connecting sleeve, a sliding gap is formed between the sealing head and the limiting connecting sleeve, and the lower joint stretches into the lower end of the body and is fixedly connected with the body. The pressure-balancing one-way valve for coiled-tubing layering fracturing has the characteristic of simple structure; and due to the adoption of the pressure-balancing one-way valve for coiled-tubing layering fracturing, the effects of packing and setting of an annular mechanical packer can be effectively improved, the setting and the packing are facilitated, and the abrasive perforating and the reverse-circulation sand-washing deblocking of a sand blower are facilitated.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Safe enhanced ultrasonic roller

The invention relates to the technical field of textile washing equipment, and particularly discloses a safe enhanced ultrasonic roller. The safe enhanced ultrasonic roller comprises a roller body, aplurality of rows of ultrasonic vibrators annularly distributed on the inner wall of the roller body and a safety device located in the roller body. The safety device comprises an inner check ring andan annular supporting hoop enabling the outer wall of the inner check ring to be in contact fit with the ultrasonic vibrators. A plurality of corresponding holes corresponding to the positions of theultrasonic vibrators are formed in the inner check ring; and flange shafts are hermetically installed at the two ends of the roller body, and one flange shaft is provided with threading holes used for wire inlet and outlet routing of all the ultrasonic vibrators. The safe enhanced ultrasonic roller can rotate to drive fabrics to move backwards, is waterproof and insulated, and is high in safety;on the one hand, the safety device can assist in fixing each ultrasonic vibrator, and falling is reduced; on the other hand, the positions of the ultrasonic vibrators can be limited after the ultrasonic vibrator falls, and the falling ultrasonic vibrators are prevented from rolling to cause damage to the ultrasonic vibrator and other vibrators; and meanwhile, the ultrasonic action direction of theultrasonic vibrators is kept within a controllable range, and the ultrasonic cleaning effect is guaranteed.
Owner:花法科技有限公司

Trapping device

The invention provides a trapping device, and relates to the field of agricultural pest control. The trapping device comprises a solar panel, limiting rods, mounting plates, a supporting rod and a base, the solar panel is arranged above the mounting plates, the solar panel is fan-shaped, the limiting rods are arranged between the mounting plates, the limiting rods are annularly and uniformly distributed, the supporting rod is connected to the outer walls of the bottom ends of the mounting plates in a clamped mode, the bottom of the supporting rod is fixedly connected with the base, deinsectization mechanisms are arranged between the mounting plates, a cleaning mechanism is arranged at the bottom of each mounting plate, a guide plate is arranged on the inner wall of the bottom of each mounting plate, and a controller is arranged in each mounting plate. According to the trapping device, insects are prevented from escaping, the collecting effect is improved, meanwhile, the influence of the external environment can be reduced, the precision of the controllers is improved, the service life of the controllers is prolonged, volatilization of pheromones can be accelerated when a fan and an electric heating wire work, and therefore the trapping effect is further improved, and loss of electric energy is reduced.
Owner:苏州慧泽农业科技有限公司

Retaining device for experimental animal

The invention discloses a retaining device for an experimental animal. The device comprises a first cavity, a sliding door mechanism and a retaining mechanism, wherein the first cavity defines a firstopening and a second opening which are oppositely formed in a first direction, and the first opening is set to face a rearing cage of the experimental animal and to be in butt joint with a cavity ofthe rearing cage; the sliding door mechanism is arranged at the position of the first opening of the first cavity, and the sliding door mechanism is arranged to be a communication channel capable of opening or closing the first cavity and the rearing cage; and the retaining mechanism is arranged at the second opening position of the first cavity and is provided with a surface type assembly perpendicular to the first direction, and the surface type assembly is arranged to be capable of moving in the first direction. The retaining device is better in retaining effect when used for retaining, transferring and dosing monkeys, animals can be protected against injuries, and the stress reaction of the animals is reduced, so that the reliability of experiment results is guaranteed, and the safetyof operators is protected.
Owner:江苏鼎泰药物研究(集团)股份有限公司

Telescopic building platform

PendingCN111021696AEnsure stabilityAvoid the problem of inconvenient construction for workersScaffold accessoriesArchitectural engineeringStructural engineering
The invention discloses a telescopic building platform comprising a supporting base. A fixing column is arranged in the middle of the supporting base. The fixing column, a fixing rod and inclined struts are combined to form a frame body structure; the fixing rod is fixedly connected with the fixing shaft; a fixing block is arranged on the side, away from the fixing rod, of the fixing column, an empty groove is arranged in the fixing block, embedded columns are arranged on the inclined struts, the embedded columns are embedded into the empty groove, the inclined struts are detachably fixed to the fixing column through the combination of the embedded columns and the empty groove, and a workbench is arranged in a frame body formed by the fixing column, the fixing rod and the inclined struts.According to the telescopic building platform, the worker stands on the workbench during operation, the hydraulic rod is controlled to jack up the lifting shear, then the workbench is driven to ascend, similarly, the hydraulic rod is used for controlling the lifting shear to descend downwards, free ascending and descending of the workbench are realized, the worker on the workbench can obtain a larger operation construction space and the problem that construction of the worker is inconvenient due to the fixed building working platform is solved.
Owner:安徽省中功立业建设工程有限责任公司

Pressure-balancing one-way valve for coiled-tubing layering fracturing

ActiveCN102926704BFunction as a one-way valveEasy to blast and perforateFlushingWell/borehole valve arrangementsUpper jointCoiled tubing
The invention discloses a pressure-balancing one-way valve for coiled-tubing layering fracturing. The pressure-balancing one-way valve comprises an upper joint, a limiting connecting sleeve, a body, a sealing head and a lower joint which are successively connected, wherein the inner part of the upper joint is of a hole-shrinkage cavity structure, a check ring and a sealing ball are mounted in a cavity in the upper part of the upper joint, the sealing ball is mounted at a hole shrinkage part, the check ring is mounted above the sealing ball, the lower end of the upper joint is fixedly connected with the sealing head and the sealing head is sleeved on the upper joint, the limiting connecting sleeve is sleeved on the upper joint, the body is sleeved on the limiting connecting sleeve and the sealing head and fixedly connected with the limiting connecting sleeve, a sliding gap is formed between the sealing head and the limiting connecting sleeve, and the lower joint stretches into the lower end of the body and is fixedly connected with the body. The pressure-balancing one-way valve for coiled-tubing layering fracturing has the characteristic of simple structure; and due to the adoption of the pressure-balancing one-way valve for coiled-tubing layering fracturing, the effects of packing and setting of an annular mechanical packer can be effectively improved, the setting and the packing are facilitated, and the abrasive perforating and the reverse-circulation sand-washing deblocking of a sand blower are facilitated.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Steel structure building connecting piece for building

The invention provides a steel structure building connecting piece for a building, and relates to the technical field of steel structure. The problems that a plurality of fixing bolts are needed for mounting in the mounting process of existing steel structure connection, consequently, the carried load is increased in the aloft work process, the danger that tools fall off from the aloft easily occurs, great potential safety hazards exist for constructors, and the high-altitude operation time is prolonged due to the fixation of the plurality of bolts are solved. The connecting piece comprises a connecting piece main body, a hanging plate is fixedly installed at the upper end of the connecting piece main body transversely, vertically and upwards, a rear seat plate is vertically and fixedly mounted at the rear end of the connecting piece main body, and a guide shaft sleeve is vertically and fixedly installed in the middle of the front end face of the rear seat plate. According to the steel structure building connecting piece, the front end of a pressing plate moves to the position above a transverse pipe, a cooperative clamping plate forces the pressing plate to move to the position above the transverse pipe in the forward moving process of a pressing disc and a cooperative clamping disc, the moving space for upward moving of the transverse pipe is limited, and therefore it can be guaranteed that all structures are further stable.
Owner:南通南飞建筑科技有限公司

Glass tray and glass lifter

The glass tray comprises a U-shaped base composed of a first supporting face and a second supporting face, the first supporting face comprises a supporting piece which has the normal width and is bent upwards, the supporting piece extends towards the second supporting face, and the normal width of the supporting piece is equal to the shortest distance from the first supporting face to the second supporting face; the glass tray further comprises a vehicle vibration reduction and energy absorption integrated piece, a groove used for containing the vehicle vibration reduction and energy absorption integrated piece is formed in the first supporting face, the vehicle vibration reduction and energy absorption integrated piece at least comprises a first-stage energy absorption block and a second-stage energy absorption block, and the first-stage energy absorption block and the second-stage energy absorption block are oppositely arranged and located on the two sides of the vehicle window glass respectively. The vehicle window glass energy absorption device has the advantages that the longitudinal section of the base is in the U shape, the vehicle window glass is inserted into the supporting piece, the two faces of the vehicle window glass abut against the first-stage energy absorption block and the second-stage energy absorption block respectively, the first-stage energy absorption block and the second-stage energy absorption block can effectively absorb vibration wave energy generated by the vehicle window glass in time, and the stability of the vehicle window glass and the personal safety of a user are guaranteed.
Owner:KUNSHAN GUANGZHEN AUTOMOTIVE PARTS

A multi-leaf aperture adjustment device with filter switching

The invention relates to a multi-leaf aperture adjustment device with filter switching, which has the function of automatic switching between an infrared cut-off filter and a full-transmission spectrum filter, and the aperture is close to a circle at any time, and the area of ​​the aperture is between A controllable state, the size of the aperture area changes uniformly to adjust the size of the exposure, the automatic switching of the filter and the uniform change of the multi-leaf aperture area can obtain higher quality and clearer images than traditional cameras or cameras.
Owner:UNION OPTECH

A steel structure building connector for building

The invention provides a steel structure building connector for building, which relates to the technical field of steel structure, and solves the problem that the existing steel structure connection needs to use a plurality of fixing bolts for installation during the installation process, resulting in the heavy load carried during the high-altitude operation. If it is increased, it is not only prone to the danger of falling tools from high altitudes, but also has great potential safety hazards for construction workers. The fixing of multiple bolts determines the problem of increasing the working time at high altitudes, including the main body of the connecting piece; The upper end of the part main body is horizontally and vertically fixedly installed with a hanging plate upward; the rear end of the connecting part main body is vertically fixedly installed with a rear seat plate; In the present invention, the front end of the pressing plate moves to the top of the horizontal tube, and the cooperative clamping plate moves forward in the process of the pressure plate and the cooperative chuck, thereby forcing the pressing plate to move to the top of the horizontal tube, limiting the moving space of the horizontal tube, thereby ensuring that each The structure is further stabilized.
Owner:南通南飞建筑科技有限公司

Full-automatic centrifugal tube plate cleaning and disinfecting device

The invention discloses a full-automatic centrifugal tube plate cleaning and disinfecting device, belongs to the field of centrifugal tube plate cleaning and disinfecting devices, and aims to greatlyshorten the manual operation time of operators and avoid spending a large amount of time for cleaning, disinfecting and drying. Operators are prevented from being hurt by a 84 disinfectant, meanwhile,the disinfection effect is guaranteed through the accurate 84 disinfectant concentration, finally, an experiment table is prevented from being polluted through a matched rapid drying system, and themovement space of centrifugal tube plates is limited through the layered design of a cleaning box. Damage to the centrifugal tube plates due to multiple collisions of the multiple centrifugal tube plates in the centrifugal cleaning process is avoided, and a cleaning box inner layer clamping groove is formed between a cleaning box inner layer and a cleaning box outer layer, so that it is guaranteedthat the relative positions of the cleaning box inner layer and the cleaning box outer layer are fixed, and the operators can conveniently take out the cleaning box inner layer and the centrifugal tube plates from the cleaning box outer layer subsequently.
Owner:郑州金域临床检验中心有限公司

Feed conversion efficiency measuring device for mutton sheep

The invention relates to a feed conversion efficiency measuring device for mutton sheep, which is composed of a rack, a front wall plate, side wall plates, an automatic feeding door, an ear tag identification mechanism, an infrared proximity identification mechanism, a feeding mechanism, a weight weighing mechanism and a feed weighing mechanism, the front end, the left side and the right side of the rack are respectively provided with the front wall plate and the side wall plates; a feeding opening is formed in the lower end of the front wall plate, an automatic feeding door is installed at the position of the feeding opening, an ear tag recognition mechanism is installed at the upper end of the feeding opening, installation arms are installed on the two side wall plates, infrared proximity recognition mechanisms are installed on the installation arms, and a feeding mechanism is arranged between the two side wall plates at the rear end of the front wall plate. The feed weighing mechanism is arranged at the lower end of a discharge port of the feeding mechanism, and the weight weighing mechanism is arranged at the front end of the front wall plate. The feed conversion efficiency measuring device has the advantages of being capable of guaranteeing balanced feeding, uniform in ingestion, accurate in measurement, clean and sanitary, capable of achieving information and intelligent control, easy to achieve and the like, and feed is saved.
Owner:天津奥群羊业研究院有限公司
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