31results about How to "Play the role of stretching" patented technology

The invention discloses an annular flake-shaped electrode electrostatic spinning device. The annular flake-shaped electrode electrostatic spinning device comprises a spinning system, a power system, a coating mechanism, a liquid supply system, a cleaning mechanism, a collecting system and a high-voltage power supply, wherein the collecting system is positioned above the spinning system; the spinning system comprises a spinning electrode and a base; the spinning electrode is fixed to the base; the power system drives the base and the spinning electrode to rotate in a single direction; the coating mechanism and the cleaning mechanism are arranged on the spinning electrode and are fixed; the cleaning mechanism is positioned in front of the coating mechanism in the direction of motion of the spinning electrode; the collecting system comprises a collecting electrode; the spinning electrode is an annular flake; the emitting end of the annular flake is of a tip structure. According to the annular flake-shaped electrode electrostatic spinning device, the yield and the quality of nano-fibres can be improved; batch preparation of the nano-fibres is realized; the mechanisms are simple; the operation is simple and convenient; industrialized application is easy to realize.

The invention discloses a method and structure of deformable connection between a concrete trestle step and a floor. The concrete trestle step is constructed to be of a layered structure, an embedded iron casting is installed on a beam of a floor slab, a deformation joint with a certain size is reserved between the trestle step and the floor slab, an iron sheet is installed on the upper end face of the concrete trestle step structure and the upper end face of the floor slab in a complete covering mode, the portion, in the deformation joint, of the iron sheet is of a U-shaped structure, the U-shaped iron sheet extends in the deformation joint, the U-shaped iron sheet is filled with bitumastic oakum, a bitumastic wood-wool plate is laid on the bitumastic oakum, a cement mortar bedding cushion is laid on the iron sheet, a section steel plate covers the cement mortar bedding cushion, the end portion, close to the floor, of the section steel plate is fixedly welded to the embedded iron casting, a transverse gap is reserved between the section steel plate and the floor, and the gap is plugged through polyurethane sealing materials after being welded. According to the method and structure of deformable connection between the concrete trestle step and the floor, the requirement of large-scale projects for the deformation joint can be met, the effect of sedimentation, the effect of shock prevention and the effect of stretching and contraction are achieved, and performance of water resistance is improved.

The invention discloses a mechanical grab suitable for an unmanned aerial vehicle, The invention relates to the technical field of unmanned aerial vehicles (UAVs), comprising a mounting plate, whereintwo symmetrical mounting holes are arranged on the upper surface of the mounting plate, a translation mechanism is fixedly mounted on the bottom surface of the mounting plate, a lifting mechanism isfixedly mounted on the bottom surface of the translation mechanism, and a clamping mechanism is fixedly mounted on the bottom surface of the lifting mechanism. The mechanical gripper suitable for an unmanned aerial vehicle, which can adjust the position of the grip, the invention avoids the phenomenon of unable to grasp objects due to the inability to adjust the position of the grip, when the second threaded rod is rotated, the second threaded pipe drives the first lifting plate to rise and fall, The utility model has the functions of telescoping the gripper at any time, increasing the workingefficiency of the UAV in gripping objects, and driving two sliding blocks on the third sliding bar to approach each other or to be away from each other through the third sliding ring when the secondlifting plate is lifted and lowered, so that the gripper can be clamped or loosened.

The invention discloses an electrostatic spinning device using a circular electrode. The electrostatic spinning device comprises a spinning system, a liquid supply system, a collecting system and a high-voltage power supply, wherein the collecting system is positioned above the spinning system; the spinning system comprises a spinning electrode; the collecting system comprises a collecting electrode; the spinning electrode is of a circular structure; the emitting end of the circular structure is of a tip structure; a spinning solution is accommodated in the circular structure; a guide column is arranged at the axis of the circular structure; a circular cover is arranged above the circular structure and is movably mounted on the guide column; and up-and-down movement of the circular cover on the guide column can adjust the distance between the circular cover and the circular structure, to adjust an overflow amount of the solution. By the adoption of the circular electrode for electrostatic spinning, compared with other needle-free electrostatic spinning device, the electrostatic spinning device disclosed by the invention can greatly increase the yield and the quality of a fiber product. The solution distribution mode of the device is simple and reliable; and the device is simple in structure, easy to process and convenient for industrial application.

The invention discloses a deformable connection method and a connection structure of concrete landing stage building surfaces. Deformation joints with certain widths are arranged between two landing stage building surfaces; a full iron sheet is used for sealing the lower end surface of the connection position of the landing stage building surfaces; the length of the iron sheet connected to the lower end surface between the deformation joints is larger than the actual lengths of the deformation joints, that is, the iron sheet connected to the lower end surface has certain surpluses; a waterproof coiled material is added on the iron sheet, so that a secondary waterproof function is realized; a cement mortar bedding cushion is laid on the waterproof coiled material; and the deformation joints on the waterproof coiled material are sealed with an asphalt mastic material. The deformable connection method and the connection structure can meet requirements for deformation joints in a large-scale project, has the functions of sedimentation, shock-proofing and expansion at the same time, and improves the drainage performance.

The invention discloses a gas alarm controller and a control method thereof, belonging to the field of alarm controllers. The gas alarm controller comprises a connecting box A, an alarm bell A, a support column and a three-stage expansion piece, wherein the top surface of the connecting box A is sleeved with a top surface disc A, the top surface of the top surface disc A is provided with the alarmbell A, the bottom surface of the connecting box A is provided with the first-stage expansion piece, the bottom end of the first-stage telescopic device is connected with a top surface disc B in an inserted mode, the bottom surface of the top surface disc B is connected with a connecting box B in a sleeving mode, and an alarm bell B is arranged on the bottom surface of the top surface disc B. Bymeans of multi-level double alarming of alarms and display lamps, the leakage amount of gas with different concentrations can be effectively alarmed, and accurate alarming can be guaranteed. Accordingto the gas alarm controller, people are reminded in various modes, so dangers can be prevented in time, dangers caused by gas leakage to people can be well reduced, and property loss and disasters are reduced.

The invention discloses a deformable connection structure of concrete landing stage building surfaces. Deformation joints with certain widths are arranged between two landing stage building surfaces; a full iron sheet is used for sealing the lower end surface of the connection position of the landing stage building surfaces; the length of the iron sheet connected to the lower end surface between the deformation joints is larger than the actual lengths of the deformation joints, that is, the iron sheet connected to the lower end surface has certain surpluses; the deformation joints are filled with bituminous hemp fibers; the iron sheet is laid on upper end surfaces, which are flush with each other, of the two landing stage building surfaces at the upper parts of the deformation joints; the length of the iron sheet connected to the upper end surface between the deformation joints is larger than the actual lengths of the deformation joints, that is, the iron sheet connected to the upper end surface has certain surpluses; a layer of a waterproof coiled material is added on the iron sheet, so that a secondary waterproof function is realized; a cement mortar bedding cushion is laid on the waterproof coiled material; and the deformation joints on the waterproof coiled material are sealed with an asphalt mastic material. The deformable connection structure can meet requirements for deformation joints in a large-scale project, has the functions of sedimentation, shock-proofing and expansion at the same time, and improves the drainage performance.

The invention discloses a deformable connection structure of a concrete roof and a metal plate roof. A certain gap is reserved between the concrete roof and the metal plate roof, and an iron sheet (8) is mounted at the lower end of a connection position of a beam (1) of the concrete roof and a keel (7) of the metal plate roof; a heat insulation material (3) and a metal sandwich plate (5) are laid on a concrete plate and the roof keel (7), wherein a joint is reserved between the heat insulation material (3) and the metal sandwich plate (5) and filled with a certain filling material (9); a steel plate (4) is taken as a flashing material, stretches across the beam (1) of the concrete roof and the keel (7) of the metal plate roof, and is located above the heat insulation material (3) and the metal sandwich plate (5); and two ends of the steel plate (4) are sealed respectively with a sealing material, so that water is prevented from entering. The deformable connection structure can meet requirements for deformation joints in a large-scale project, has the functions of sedimentation, shock-proofing and expansion at the same time, and improves the drainage performance.

The invention relates to the field of silt cleaning devices, in particular to a riverway silt cleaning device with an anti-blocking assembly. The riverway silt cleaning device with the anti-blocking assembly comprises a fixed plate, a plastic box, a stirring structure, a limiting structure, an anti-collision structure, a dredging structure, an adjusting structure and an anti-blocking structure. The adjusting structure is arranged at the bottom end of the dredging structure, and adjustment can be carried out on the silt pumping angles, and therefore different pumping angles can be selected according to the actual situation, and silt pumping is facilitated; the anti-blocking structure is arranged in the adjusting structure, when the adjusting structure is blocked by waste plastic bags, the plastic bags can be automatically jacked up, and therefore the plastic bag can be effectively prevented from blocking the adjusting structure; through arrangement of the stirring structure, silt settled in riverways can be stirred, and therefore subsequent silt pumping work is facilitated; and through arrangement of the limiting structure, not only can the stirring structure be limited, but also the stirring depth can be adjusted at any time according to the water level condition, and therefore the riverways with different water levels can be adapted conveniently.

A sausage enema device, comprising a mounting tube and a placement box, the bottom edge of the mounting tube is hinged with a plurality of expansion plates that can be expanded simultaneously, the upper end of the mounting tube is fixedly connected with a lower connecting tube, and the upper end of the lower connecting tube is covered with a The upper connecting pipe that can slide on the surface of the lower connecting pipe, the upper end of the upper connecting pipe is fixedly connected with the inner connecting box, and the inner connecting box is fixedly connected with the inner pipe, inside the inner pipe is installed a plurality of valves that can be centered on the inner pipe for gathering and dispersing movement. Arc-shaped fixed plate, the outer rotating box of the inner connection box is connected with the outer rotating box, and the outer rotating box is equipped with a structure that can drive the arc-shaped fixed plate to move when the outer rotating box is rotated; the anus is opened by the expansion plate to facilitate the entry of the enema tube In the anus, and the initial state of the expansion plate is a tapered structure, which is convenient for insertion into the anus. The upper connecting tube can slide on the surface of the lower connecting tube to play a telescopic role. After the enema tube enters the anus, it can pass through the lower connecting tube and the upper connecting tube. The telescoping effect of the connecting tube removes the spreader from the anus.

The invention discloses a garden water sprinkling spray gun with long service life, relates to the technical field of garden water sprinkling equipment, in particular to a garden water sprinkling spray gun with long service life. The garden water sprinkling spray gun comprises a first sleeve; the first sleeve is internally provided with first threads; a second sleeve is in threaded connection to the interior of the first sleeve; a first limiting block is fixedly connected to the bottom end of the first sleeve; a first waterproof rubber cushion is fixedly connected to the top of the first limiting block; a second limiting block and a connection block are sequentially and fixedly connected to one side of the second sleeve from left to right; a second waterproof rubber cushion is fixedly connected to the bottom of the second limiting block; and a supporting block is fixedly connected to one side of the connection block. For the garden water sprinkling spray gun with long service life, through arrangement of the first sleeve and the second sleeve, the stretching effect is exerted; the second sleeve is rotated to be driven out of the first sleeve through the first threads, so that the length of the device is lengthened, and a user is facilitated to perform water sprinkling on green plants which grow higher.

The invention discloses a financial storage system. The invention relates to the field of financial storage systems. The inner width of a lower end of a rail side is larger than that of an upper end of a rail. Far ends of a first gear and a second gear can keep moving in the width direction to pass through the interior of the lower end of the rail; the first gear and the second gear can move and pass through the interior of the upper end of the rail in the length direction; when the first motor or the second motor is independently started, the first gear or the second gear rotates and keeps moving in a sliding groove, an auxiliary storage cabinet can be conveniently controlled to move with the rail as the track, the purpose that the auxiliary storage cabinet can be switched back and forthabove a main storage cabinet and on a side face of the main storage cabinet is achieved, the upper space is effectively utilized, and financial data stored in the auxiliary storage cabinet can be conveniently taken and placed.

A deformable connection method and deformable connection structure between concrete trestle steps and floor, wherein the trestle steps are constructed in a layered structure, and embedded iron pieces are arranged on the beams of the floor; a certain distance is left between the trestle steps and the floor. Deformation joint; the iron sheet is installed on the upper end face of the concrete step structure and the floor slab; the iron sheet forms a U-shaped structure in the deformation joint, and the U-shaped iron sheet extends in the deformation joint; the U-shaped iron sheet is filled with asphalt hemp; Asphalt wood fiber board is laid on the wire; cement mortar cushion is laid on the iron sheet; the profiled steel plate is covered on the cement mortar cushion; Leave a lateral gap; this gap is closed with a polyurethane sealing material after welding. The invention can meet the demand for deformation joints in large-scale projects, and at the same time plays the functions of settlement, shock resistance, expansion and contraction, and improves waterproof performance.

The invention provides a new material stirring device capable of effectively preventing too high stirring speed, and relates to the technical field of new materials. The devixce comprises a rotating shaft, the inner side of the rotating shaft is provided with uniformly distributed clamping grooves, the middle of the rotating shaft is rotatably connected with a rotating rod, the inner wall of the inner side of the rotating rod is fixedly connected with a spring, and the outer side of the spring is fixedly connected with a sliding block. The inner wall of the sliding block is fixedly connected with a dielectric plate, and the inner wall of the top of the rotating rod close to the top of the sliding block is fixedly connected with a positive plate. According to the new material stirring device capable of effectively preventing the too high stirring speed, through cooperative use of the electromagnet and the magnetic rod, when the rotating speed of the stirring device is too high, the electromagnet is powered on, the magnetic rod retracts into the guide rod under the action of magnetism, the conductive column is powered on, the electroactive rod retracts towards the inner side, thus clamping block can retract into the rotating rod, and the rotatng rod is enabled to idle in the rotating shaft, the situation that the stirring speed is too high is avoided, and the performance of the new material is effectively guaranteed.

The invention discloses a deformable connection method and a connection structure of concrete landing stage building surfaces. Deformation joints with certain widths are arranged between two landing stage building surfaces; a full iron sheet is used for sealing the lower end surface of the connection position of the landing stage building surfaces; the length of the iron sheet connected to the lower end surface between the deformation joints is larger than the actual lengths of the deformation joints, that is, the iron sheet connected to the lower end surface has certain surpluses; a waterproof coiled material is added on the iron sheet, so that a secondary waterproof function is realized; a cement mortar bedding cushion is laid on the waterproof coiled material; and the deformation joints on the waterproof coiled material are sealed with an asphalt mastic material. The deformable connection method and the connection structure can meet requirements for deformation joints in a large-scale project, has the functions of sedimentation, shock-proofing and expansion at the same time, and improves the drainage performance.

The invention relates to the technical field of police equipment, and discloses a telescopic baton. The telescopic baton comprises a first section of baton and a second section of baton, wherein eachof the first section of baton and the second section of baton is configured to be hollow; sides opposite to each other, of the first section of baton and the second section of baton, are in threaded connection; a fixed rod is connected into the first section of baton and the second section of baton in a sleeving manner; a first slide block and a second slide block are fixedly connected to the upper end and the lower end of the fixed rod separately; the first slide block and the second slide block are connected into a first annular groove and a second annular groove which are formed in the inner sidewalls of the first section of baton and the second section of baton in a sleeving manner separately; and an end rod is fixedly connected to the bottom of the first section of baton. According tothe telescopic baton, through improvement for a receiving rod, a pull rope is pulled, and pulled out from a circular groove, a movable clamping block at the bottom end of the pull rope is capable ofmoving the position of a push port during pulling-out, a clamping bar clamps the interior of the push port under elastic action, the pull rope is pulled out to form a rope loop, a scoundrel can be surrendered and prevented from escaping, and moreover, the risk of injury due to fight at close quarters can be avoided.

The invention discloses a big data analysis method management system which comprises a workbench, a box body is fixedly connected to the bottom of the workbench, a cabinet door is hinged to the two sides of the front surface of the box body, and a height adjusting structure is fixedly connected to the rear side of the top of the workbench through bolts. Through arrangement of the height adjusting structure, a transmission block can be driven to ascend and descend through transmission of a first transmission frame, a transmission rod and a second transmission frame, finally, the effect of controlling the display screen to ascend and descend is achieved, and through arrangement of an angle adjusting structure, the front-back elevation angle and the rotating angle of a display screen can be adjusted and locked, and the display screen can be accurately adjusted according to the physical habits of a user; and by arranging a heat dissipation structure, external air can be conveyed into the inner cavity of the box body after being filtered, an air passage is formed by the heat dissipation structure, a ventilation window and a flow guide grid, heat accumulated in the inner cavity of the box body is discharged in time, and convenience is provided for use.

The invention relates to a deformable connection method and a deformable connection structure of a concrete roof and a metal plate roof. A certain gap is reserved between the concrete roof and the metal plate roof, and sheet iron (1) is mounted at the lower end of a connection position of a beam (1) of the concrete roof and a roof keel (7) of the metal plate roof; a heat insulating material (3) and a metal core board (5) are laid on a concrete slab and the roof keel; a seam is reserved between the heat insulating material (3) and the metal core board (5); the seam is filled with a certain filler material (9); a steel plate (4) is taken as a flashing material and stretches across the beam (1) of the concrete roof and the roof keel (7) of the metal plate roof and located above the heat insulating material (3) and the metal core board (5); and two ends of the steel plate (4) are sealed by a sealing material, so that water is prevented. According to the deformable connection method and the deformable connection structure of the concrete roof and the metal plate roof, requirements for a deformation seam in a large-scale project can be met, sedimentation, shock proofing, stretching effects are realized at the same time, and the drainage performance is improved.

A deformable connection structure of concrete trestle floors, in which there is a deformation joint of a certain width between two trestle floors; the lower end surface of the junction of the trestle floors is sealed with a full length of iron sheet; the lower end surface is connected to the iron sheet at the deformation joint The length between them is greater than the actual length of the deformation joint, that is, there is a certain surplus of the iron sheet connected to the lower end surface; the deformation joint is filled with asphalt hemp; The length of the iron sheet connecting the end face between the deformation joints is greater than the actual length of the deformation joint, that is, the upper end face connecting iron sheet has a certain surplus; a waterproof membrane is attached to the iron sheet to play a secondary waterproof role; cement mortar pads are laid on the waterproof membrane layer, and the deformation joints on the waterproof membrane are blocked with asphalt mawangdi grease material. The invention can meet the demand for deformation joints in large-scale projects, and at the same time play the roles of settlement, shockproof, expansion and contraction, and improve waterproof performance.

The invention discloses a packaging detection device with a thermistor positioning insulation structure, and the device comprises a protection case, a first control motor is installed at the left sideof the interior of the protection case, and the output end of the first control motor is connected with a rotating disc in a clamped manner. A universal meter is arranged on the upper surface of theelectric telescopic rod, a flow guide plate is connected to the position, above the right side surface of the protective case, of the inner center line of the first conveying belt, and a storage tankis arranged below the right side of the flow guide plate. Through the arrangement of the first control motor, the rotating disc can be conveniently driven to rotate, through the arrangement of the fixed block on the rotating disc, the driven gear can be conveniently driven to perform clearance operation, and through the time difference of clearance rotation of the driven gear, the thermistor can be detected.

The invention provides a disinfection device for a livestock and poultry farm, which comprises a liquid storage tank which is internally used for storing a disinfectant and is provided with a liquid inlet and a liquid outlet; a foaming device comprising a foaming cavity fixed at the upper end of the liquid storage tank; an air inlet assembly fixed in the foaming cavity and used for outputting external air to the foaming cavity; a first pump body fixed in the foaming cavity and used for sucking the disinfectant stored in the liquid storage tank into the foaming cavity; an impeller located in the foaming cavity; a first motor is fixed in the foaming cavity and connected with the impeller through a rotating shaft, wherein the first motor drives the impeller to rotate to generate bubbles; a foam outlet pipe fixed at the upper end of the foaming cavity; and a foam spray head connected with a foam outlet pipe of the foaming device through a connecting assembly. The disinfection device is used for spraying a foamed disinfection solution and can prolong the retention time of the disinfection solution.

The invention provides a disinfection device for a livestock and poultry breeding factory, which includes a liquid storage tank, which is used to store disinfectant inside, and is provided with a liquid inlet and a liquid outlet; a foaming device, including: a foaming chamber, fixed on the The upper end of the liquid storage tank; the air intake component is fixed inside the foaming chamber for outputting the external gas to the foaming chamber; the first pump body is fixed inside the foaming chamber for storing the air in the liquid storage tank The disinfectant is sucked into the foaming chamber; the impeller is located inside the foaming chamber; the first motor is fixed inside the foaming chamber and connected to the impeller through a rotating shaft, and the first motor drives the impeller to rotate to generate air bubbles; The foam tube is fixed on the upper end of the foaming cavity; the foam spray head is connected to the foaming tube of the foaming device through a connecting component; Disinfection device for livestock and poultry farms in time.

The invention discloses an annular flake-shaped electrode electrostatic spinning device. The annular flake-shaped electrode electrostatic spinning device comprises a spinning system, a power system, a coating mechanism, a liquid supply system, a cleaning mechanism, a collecting system and a high-voltage power supply, wherein the collecting system is positioned above the spinning system; the spinning system comprises a spinning electrode and a base; the spinning electrode is fixed to the base; the power system drives the base and the spinning electrode to rotate in a single direction; the coating mechanism and the cleaning mechanism are arranged on the spinning electrode and are fixed; the cleaning mechanism is positioned in front of the coating mechanism in the direction of motion of the spinning electrode; the collecting system comprises a collecting electrode; the spinning electrode is an annular flake; the emitting end of the annular flake is of a tip structure. According to the annular flake-shaped electrode electrostatic spinning device, the yield and the quality of nano-fibres can be improved; batch preparation of the nano-fibres is realized; the mechanisms are simple; the operation is simple and convenient; industrialized application is easy to realize.

The invention discloses an electrostatic spinning device using a circular electrode. The electrostatic spinning device comprises a spinning system, a liquid supply system, a collecting system and a high-voltage power supply, wherein the collecting system is positioned above the spinning system; the spinning system comprises a spinning electrode; the collecting system comprises a collecting electrode; the spinning electrode is of a circular structure; the emitting end of the circular structure is of a tip structure; a spinning solution is accommodated in the circular structure; a guide column is arranged at the axis of the circular structure; a circular cover is arranged above the circular structure and is movably mounted on the guide column; and up-and-down movement of the circular cover on the guide column can adjust the distance between the circular cover and the circular structure, to adjust an overflow amount of the solution. By the adoption of the circular electrode for electrostatic spinning, compared with other needle-free electrostatic spinning device, the electrostatic spinning device disclosed by the invention can greatly increase the yield and the quality of a fiber product. The solution distribution mode of the device is simple and reliable; and the device is simple in structure, easy to process and convenient for industrial application.

The invention discloses a deformable connection structure of concrete landing stage steps and a building surface. Landing stage steps adopt layered structures, and an embedded iron piece is arranged on a beam of a floor slab; deformation joints with certain distances are reserved between the landing stage steps and the floor slab; a full iron sheet is mounted on upper end surfaces of the concrete step structure and the floor slab; the iron sheet is in U-shaped structures in each deformation joint and extends in each deformation joint; the U-shaped iron sheet is filled with bituminous hemp fibers; a bituminous wood wool slab is laid on the bituminous hemp fibers; a cement mortar bedding cushion is laid on the iron sheet and covered with a section steel plate; an end part, close to the building surface, of the steel plate is welded and fixed with an embedding iron piece; a transverse space is reserved between the steel plate and the building surface; and the space is sealed with a polyurethane sealing material after welding. The deformable connection structure can meet requirements for deformation joints in a large-scale project, has the functions of sedimentation, shock-proofing and expansion at the same time, and improves the drainage performance.

The invention discloses a telescopic neck massage instrument, and relates to the field of massage instruments, the telescopic neck massage instrument comprises a neck lying plate, a connecting cushion block, a circuit box body, an inner core sleeving bottom plate, a bottom supporting plate and a top supporting plate, one side of the neck lying plate is fixedly connected with the bottom supporting plate, and the top surface of the bottom supporting plate is fixedly connected with a hydraulic height telescopic device; the top surface of the hydraulic height expansion piece is fixedly connected with a top supporting plate, the bottom surface of the top supporting plate is fixedly connected with soft sealing cloth, and the bottom surface of the soft sealing cloth is fixedly connected with a bottom supporting plate. When the massage instrument is used, only the inner core of the massage instrument in the massage instrument needs to be replaced, so that resources can be greatly saved on the whole, the massage instrument can be better maintained when being damaged, the overall using effect is relatively good, users can reach a relaxed state, and the requirements of the users can be better met.