12results about How to "Guaranteed stability and security" patented technology

The invention provides a silicon-carbon negative electrode material fluidized bed reaction system, and relates to the technical field of fluidized bed equipment. Comprising a raw material conveying system, a fluidized bed reactor, a high-temperature discharging system, a process gas inlet pipeline and a protection system. According to the scheme, the uniformity and safety of the fluidization reaction can be improved, and the working efficiency can be improved.

The utility model discloses a new energy bus tire pattern and a tire thereof, and the new energy bus tire pattern comprises three longitudinal grooves which are longitudinally distributed on a tire tread in a surrounding manner, and each longitudinal groove is in a continuous multi-fold line structure shape; the transverse grooves are formed in the tire middle pattern blocks between the adjacent longitudinal grooves, and each transverse groove is of a V-shaped structure; the tire middle longitudinal grooves are communicated between the adjacent transverse grooves; and the tire middle transverse groove is communicated with the tire middle longitudinal groove in a crossed manner, and two ends of the tire middle transverse groove are respectively communicated with the corresponding longitudinal grooves. Compared with the prior art, the utility model has the beneficial effects that: by improving the groove structure design, the improved groove structure has better controllability and wear resistance.

This utility model discloses a laser-assisted skin rejuvenation treatment device, specifically relating to the field of skin rejuvenation technology. It includes: a laser gun head, with a fixed base at its bottom end, a support member on the bottom side of the fixed base, and a support ring at the bottom end of the support member; and an annular cavity within the fixed base, with guide holes communicating with the annular cavity at all four ends of the inner side of the fixed base, and a positioning post penetrating through the guide holes. This utility model, by setting up the fixed base, support member, and support ring, forms an auxiliary support structure that is fixedly installed at the bottom end of the laser gun head. During laser treatment, the support ring rests against the patient's skin, and with the support and limiting function of the support member and fixed base, the laser gun head can be stably positioned on the patient's skin, effectively preventing shaking and displacement during laser irradiation and greatly ensuring the safety and stability of laser treatment.

The utility model belongs to the field of design of rainwater outlets of urban river channels, and provides a rainwater outlet of a landscape hydrophilic river channel, which comprises a water inlet pipe, a water outlet pipe, an inspection well and a vertical pipe, the rainwater inspection well is communicated with the water inlet pipe, the outer end of the water outlet pipe is communicated with the vertical pipe, and the inner end of the water outlet pipe extends to the inner side of the retaining wall and is communicated with the rainwater inspection well; the top end and the bottom end of the vertical pipe are open, a protective cover is arranged on the outer side of the vertical pipe in a covering mode, the protective cover is of an arc-shaped structure, the top end and the bottom end of the protective cover are open, and the vertical pipe and the protective cover are both fixed to the side wall of the retaining wall. On the one hand, rainwater can be directly drained to the lower portion of a landscape trestle or a clear water platform through the drainage port, a riverbed of the water outlet is protected, and impact of direct drainage of a traditional rainwater drainage port on landscape hydrophilic facilities is avoided. And on the other hand, the appearance design can be further carried out on the protection cover and is integrated into the whole ecological river channel construction.

The utility model discloses a supporting device for a coal mine tunnel roof, which comprises a base, a first rotating shaft is rotatably connected in the base, the outer surface of the first rotating shaft is fixedly connected with a first gear, and the supporting device for the coal mine tunnel roof drives the first rotating shaft to rotate through an external power supply of a controller. The first rotating shaft drives a first gear to rotate, the first gear drives a second gear to rotate, the second gear drives a second rotating shaft to rotate, the second rotating shaft drives a third gear to rotate, and the third gear drives a fourth gear to rotate, so that a reverse threaded rod can rotate, and an extension plate in threaded connection with the reverse threaded rod can be driven to horizontally move; the transverse distance of the extension plate can be adjusted according to the diameter and width of a coal mine tunnel, the screw is embedded into the underground of the coal mine tunnel by rotating the screw, so that the supporting effect of the device can be improved, the device can be prevented from sliding or inclining, and supporting points can be increased through the screw to ensure the safety and stability of a tunnel top plate.

The invention provides a permanent and temporary combined high-pile wing wall construction method for a concrete pouring support pile. The construction method comprises the following steps: S1, construction preparation; s2, surveying and setting out; s3, cast-in-place pile foundation treatment; s4, pouring support pile construction; s5, high pile wing wall construction; s6, wing wall rear reinforced soil backfilling is carried out; performing layered backfilling on the interior of the empty box and behind the wall; s7, forebay earthwork construction; filling an inverted filter layer; s8, constructing a bottom plate of the forebay; arranging a PVC drainage pipe; s9, wing wall hanging plate construction; and the wing wall forms an integrally flat surface up and down in the form of pouring the concrete hanging plate. The problem that earth excavation of the deep foundation pit of the water-rich fine sand layer is difficult is solved, earth excavation of the deep foundation pit is reduced, the requirement for the bearing capacity of the foundation is met, waste caused by dismantling of the temporary supporting piles is reduced, the construction period is effectively shortened, the construction cost is saved, and safe flood prevention and control are guaranteed advantageously.

The utility model discloses a monitoring camera for fire hazard monitoring, which comprises a fixed seat, a buzzer, a connecting seat and a camera main body, a first motor is arranged at the middle position in the fixed seat, the connecting seat is arranged at the output shaft end of the first motor, a second motor is arranged at the middle position in the connecting seat, and the buzzer is arranged in the second motor. The output shaft end of the second motor is provided with a winding roller, and the two sides of the winding roller are fixedly connected with pull ropes. According to the utility model, the protective cover is arranged at the bottom end of the connecting seat, when the inserting block at the top end of the protective cover is inserted into the connecting seat and the clamping block movably connected in the connecting seat is clamped into the clamping groove in the inserting block, the protective cover can be quickly mounted at the bottom end of the connecting seat, and at the moment, the protective cover can effectively protect the camera main body.

The invention relates to the technical field of robot battery installation, and discloses an external hanging type battery structure for a robot, the external hanging type battery structure comprises a main body, the right wall of the main body is provided with an insertion groove, the inner wall of the left side of the insertion groove is slidably connected with an elastic electric connection plate, and the left wall of the insertion groove is rotatably connected with an L-shaped pin rod penetrating through the elastic electric connection plate; the inner wall of the right side of the plugging groove is movably connected with a mobile power supply block, the left end of the mobile power supply block is electrically connected with a positioning mechanism, and the positioning mechanism comprises an electric connector. According to the external battery structure for the robot, when a battery is mounted and positioned, connection of related circuits is synchronously controlled, and a hollow strip part is driven by inertia when main equipment moves, so that foreign matters such as dust and the like are cleaned, and air flow in a cooling fin area is accelerated; therefore, the use convenience of the device is effectively enhanced, and the safety and stability of external battery output are ensured.

The utility model discloses a steel pipe slide rail convenient to transport materials, which comprises two steel pipes arranged in parallel as slide rails, the front ends and the rear ends of the two steel pipes are fixedly connected with the ground, a batten is padded at the bottom of the rail and separates the steel pipes from the ground, the middle parts of the two steel pipes are outwards inclined and extend to form inclined struts, and the inclined struts are fixedly connected with the rail. The inclined struts are fixedly connected with the ground, springs are installed at the ends, located on the same side, of the two steel pipes, the impact borne by the rail is relieved through the elastic force of the springs, and the elastic coefficients of the two springs are the same. The process connection duration can be better shortened, the transportation efficiency can be improved, and the transportation cost can be controlled and reduced.

The utility model discloses angle stable adjusting device of double -pole type electric cylinder, including base, the surface of base is equipped with fixed connection's first support seat, second support seat, third support seat, fourth support seat, and the center of base is equipped with lift cylinder, and the piston rod head of lift cylinder is equipped with fixed connection's lift plate, and the bottom all around of lift plate is equipped with fixed connection's lift slide bar, and four lift slide bars are slid with below's first support seat, second support seat, third support seat, fourth support seat slidingly connected, and the bottom of lift plate is equipped with motor mounting bracket, and the motor mounting bracket is equipped with step motor, and the output shaft of step motor is equipped with fixed connection's rotation gear.

The present invention discloses an automatic lifting device suitable for the transportation of cylindrical thin shells and an application method thereof. The device includes a heavy-duty clamp and a lifting mechanism connected to the upper end thereof; the heavy-duty clamp includes a base, a clamping claw and a push-pull power device. The bottom of the base has an arc-shaped clamping plate, the shape of the clamping claw matches the shape of the arc-shaped clamping body, a pair of clamping claws are symmetrically connected to the base about the arc-shaped clamping plate, the upper ends of the two clamping claws are respectively hinged with push-pull power devices, the arc-shaped clamping plate at the bottom of the base also serves as a slide rail when the clamping claw moves, and the push-pull power device pushes and pulls the clamping claws to slide along the slide rail to achieve the operation of clamping and releasing the product. The clamp can clamp and hold the cylindrical thin shell under the condition of a very small space gap. The lifting mechanism is a rigid mechanism, including a lifting power device and a guide cylinder, the lower end of the guide cylinder is fixed to the upper end of the base through a connecting seat, the lifting power device is connected to the guide cylinder concentrically, and the lifting of the heavy-duty clamp is achieved by the lifting power device.

The invention discloses a novel method for repairing gingival papilla defects after gingival tumor resection through contemporaneal gingival papilla reconstruction in the technical field of medical auxiliary instruments, a first support, a second support and a plurality of distraction assemblies are included, clamping seats are arranged at the top ends of the first support and the second support, a plurality of pressing type buckles are arranged on the clamping seats, and the pressing type buckles are connected with the first support and the second support. A first telescopic rod and a second telescopic rod are fixedly connected to the side, close to the first support, of the second support, a moving assembly is fixedly connected to the side, close to the first support, of the second support, the ends, away from the second support, of the first telescopic rod and the second telescopic rod are fixedly connected to the first support, and the end, away from the second support, of the moving assembly is rotationally connected to the first support. And a controller is arranged in the first support. The oral dilator is easy to operate, the oral cavity of a patient can be dilated as much as possible according to the dilation tolerance degree of the oral cavity of the patient through cooperative operation of the dilation assembly, the moving assembly, the first support and the second support, and operation of a doctor is facilitated as much as possible while the discomfort of the patient is reduced.