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

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.

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.

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.

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.

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.

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.

The invention relates to a sow obstetric table structure for preventing piggy from being pressed, comprising sow rails (1), wherein the sow rails (1) are located on two sides of the sow; a piggy anti-pressing device is installed on each sow rail (1) on two sides of the sow respectively. Because the piggy anti-pressing device is installed on each sow rail (1) on two sides of the sow respectively in the invention, the piggy anti-pressing devices can limit the movement space of the sow when the sow stands and enters the sow rails, and reduces the laying speed of the sow when the sow lays suddenly to enable the piggy to have enough time to leave, so that the piggy can be avoided from being injured or died due to pressing of the sow.

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.

The invention discloses a protective net device for a vehicle, which comprises two lower fixing seats, a rotating seat is arranged at the center of the upper surface of the lower fixing seats, and a rotating rod is connected to the inner part of the rotating seat, and the rotating rod The inner surface of the rotating rod is fixedly connected with a baffle plate, the upper surface of the rotating rod is fixedly installed with an arc frame, and the inner center of the arc frame is fixedly connected with a reinforcing beam, and both sides of the reinforcing beam are fixedly installed with glass A cylindrical frame is fixedly connected to the inner center of the reinforcing beam, and a rotating cavity is arranged inside the cylindrical frame, and card seats are fixedly connected to both sides of the upper surface of the arc-shaped frame, and the inside of the card seat A T-shaped chute is provided, and the inside of the T-shaped chute is slidably connected with an upper fixing seat through a T-shaped slider. The automobile electronic anti-robbery net device is not only convenient for installation and use through the connection structure of the upper fixing seat and the lower fixing seat, but also can greatly improve the safety of people in the car.

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.

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.

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.

The invention relates to the technical field of a rotary device, in particular to a rotary mechanism which enables rotation to be convenient. Dust can not fall into the rotary mechanism easily, and the phenomenon of the nonoccurrence of turning to one side in the process of rotating is guaranteed at the same time. The rotary mechanism comprises a base seat. The base seat is provided with a benchmark seat. A fixed block and a rotation block are arranged inside the benchmark seat. A seal cartridge is fixedly arranged inside an opening of the upper end of the benchmark seat. A circle of holders is arranged between the fixed block and the rotation block, and a circle of steel balls is arranged inside the holders.

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.