41results about How to "Concise structure" patented technology

The invention discloses an intelligent automatic speed change control system for a loading machine and a control method for the intelligent automatic speed change control system. The system is characterized by comprising a working condition identification controller, a shift point computation controller, a shift execution controller and a shift execution mechanism. Shovel loading and driving working conditions can be identified by a feed-forward and feedback control method in combination with a standard power shift rule by detecting the oil pressure of a boom cylinder main chamber, the aperture of an accelerator, the speed of a finished automobile, the rotating speed of an engine and the rotating speed of a turbine of a torque converter. The system and the method have the advantages that: a shovel loading working condition and a transportation working condition can be distinguished according to the oil pressure and the oil pressure change rate of the boom cylinder main chamber, and gear shift can be distinguished according to the working conditions. The control method comprises the following steps of: under the shovel loading working condition, prejudging the reduction in gears of the finished automobile; controlling the reduction in the gears in advance; and prejudging requirements on the maximum traction force and the lowest gear. The whole control system and the control method have a simple structure and are easy to realize; and the gears are changed according to the driving working condition and the operation working condition of the loading machine, so that energy-saving and high-efficient automatic speed change control is realized.

The invention discloses a dust collector which comprises a tangential dust colleting opening. The tangential dust colleting opening is formed in a dust inlet box, a conical separating cavity is communicated to the lower portion of the dust inlet box, the dust inlet box is further communicated with an air outlet formed in a fan through a pipe, and a filter used for filtering air flowing into the dust inlet box from the dust collecting opening and flowing to the air outlet formed in the fan is further arranged in the dust inlet box. The dust collector is concise in structure, small in occupied space, environmentally friendly, stable in operation and easy to operate, and saves energy. Dust and dirt on processing machinery equipment and the ground can be effectively collected and recycled, the dust collector can be moved to every corner and can collect dust at every corner, is portable, convenient to move, high in purification efficiency, quite prominent in filtering performance and air permeability, meanwhile, durable and convenient to disassemble and assemble.

The invention relates to a rod type core bar bending restrain steel support which solves the problems of large difference of rigidity and stability of all directions of an energy dissipation section of the traditional bending restrain support, difficult support installation and complex restrain construction. A core main stress part comprises an energy dissipation section, conversion sections and an installation section, wherein the energy dissipation section is a solid steel bar or hollow steel pipe; an outer restrain steel part comprises a local restrain steel member and an integral restrainsteel member, the local restrain steel member comprises a core bar steel sleeve, the integral restrain steel member comprises a delay steel frame fixed outside the core bar steel sleeve and an auxiliary steel cylinder; one section of the two conversion section is in friction contact with the steel cylinder of the conversion section and a gap is remained between the core bar steel sleeve and the delay steel frame. The section of the energy dissipation section of the support has uniform size in all directions, which eliminates the difference of the rigidity and the stability of different directions, thus the local stable bearing capacity and the integral bending-preventing capacity are high, and the working reliability under large axial direction strain and strong shock is high; and the rodtype core bar bending restrain steel support is convenient for installation, and is suitable for engineering earthquake fortification and reinforcement.

The invention discloses a control system for underwater self-navigating platform, including organization stage, coordination stage and field executive stage, interconnected through CAN bus, where the organization stage is composed of microcomputers, the coordination stage includes total control unit as well as navigation planning unit, system power supply management unit, collision judgment and processing unit, failure diagnosis and processing unit, data collection and storage unit and communication control unit, GPS communication system, heavy capacity memories and sensor modules, and the sensors modules are connected with navigation control and measuring sensors; the navigation control system is controlled by three electric machines, each of them composed of position driver, DC brushless machine and transmission mechanism. The invention adopts a structure of mixed control system, easy to extend and improving system reliability; and adopts a navigation control system with one propeller and two pairs of rudders, completely realizing functions and simple and reliable.

The invention discloses a pipeline dust-settling device for chemical exhaust treatment, comprising a front joint, a dust-settling pipe and a back joint. The back joint is provided with a front end cover connected with an air cylinder, an output rod of the air cylinder is provided with a telescopic rod which penetrates the back joint to be further hinged to a hinge rod, the hinge rod is fixedly connected with a dust scraper, a sleeve which is integrally molded with the dust scraper is arranged on the top of the dust scraper, a drive shaft penetrates the dust-settling pipe, one end of the driveshaft is fixedly connected with an output shaft of a stepping motor, two circular discs are fixedly connected with the drive shaft, a vane impeller is fixedly connected between the two circular disc,and a spray pipe is fixedly connected onto the top of the dust-settling pipe while a dust-collecting pipe is fixedly connected onto the bottom of the dust-settling pipe. The dust-settling pipe is mounted by means of flange connection in an exhaust pipeline, exhaust flow drives the vane impeller to rotate so that the vane impeller touches dust repeatedly to attach the same, and thus, dust settlingeffect is realized effectively. The pipeline dust-settling device is simple in structure, easy to operate and worthy of population.

The invention relates to a whole-aircraft dynamic model main gear designing method, comprising the steps of first, acquiring design dimensions of a whole-aircraft dynamic model main gear at predetermined scale according to dimensions of a true main gear; second, acquiring a force transmission structure of the model main gear according to a force transmission structure of the true main gear, and simulate-calculating physical properties of the simplified main gear force transmission structure; third, fitting according to performance parameters of hydraulic dampers and tires in the true main gear to obtain spring stiffness coefficient and tire performance parameters in the main gear simplified structure; fourth, re-calculating dimensions of springs and tires according to the physical properties of step two and the spring stiffness coefficient and tire performance parameters of step three; fifth, iteratively optimizing to obtain optimal dimensions of the whole-aircraft dynamic model main gear. The whole-aircraft dynamic model main gear designing method provides full guarantee on force transmission structure and force transmission characteristics and enables the design to meet dynamic test requirements.

The invention discloses a breathing self-adaptive portable oxygen generator. The oxygen generator comprises a device shell and a support plate arranged at the bottom of the device shell; caster wheelsare arranged at corner positions of the bottom of the support plate; a damping mechanism is arranged between each caster wheel and the support plate; a handle is arranged at the top of the device shell; and an oxygen generator main body, an oxygen temporary storage box and an oxygen leading-out cylinder are fixedly arranged in the device shell from bottom to top in sequence. The device has the advantages that the structure is simple, the design is ingenious, the oxygen inhalation amount during breathing can be accurately controlled to prevent the phenomenon of excessive oxygen inhalation, self-adaptive and more accurate control of the oxygen inhalation amount of people can be ensured, and safety is high. Through arrangement of elastic cross cranks and elastic damping pieces, the effects of damping, energy absorbing, energy releasing and energy dissipating can be achieved, so that influence of excessive vibration on the whole device in a moving process can be reduced, and the service life of the whole device can be guaranteed.

The invention belongs to the technical field of amphibious propellers and specifically relates to a bionic amphibious propeller. According to the bionic amphibious propeller, by outputting rotation ofa motor as rotation of an eccentric wheel in a swinging part through transmission of an eccentric wheel rotating shaft, the swinging part is driven to swing in a plane in a reciprocating manner, eacheccentric wheel is placed according to a certain phase difference, and therefore, sinusoid-like fluctuation of a flexible fin is realized. According to the bionic amphibious propeller, by adjusting the angle of the bionic flexible fin, the bionic flexible fin is adjusted from underwater horizontal fluctuation motion to vertical fluctuation motion on the land; and when the fin is erect, the bionicamphibious propeller can be supported to realize amphibious propelling. A bionic head part can rotate around a head rotating part under the control of a steering engine; and therefore, the directionof the propeller during moving in the water can be controlled; as a steering wheel is mounted at the bottom of the bionic head part, the direction of the propeller can be adjusted on the land. According to the bionic amphibious propeller, by using one set of mechanism, water and land amphibious propelling is realized; and therefore, the structure is simple, the realization is easy, good adaption ability to the complicated environment is realized, and broad actual application prospect in the fields such as transportation is realized.

A system for gathering thunderbolt information, which can be made of components with minitype and low price and circuit, and the system is simple, minitype, light, low price and has excellent property. In the system, the thunderbolt measuring device is provided with plurality of mechanisms for obtaining the thunderbolt information during thunderbolt time; the data gathering device has mechanism connect with each thunderbolt measuring device and mechanism for gathering data; the detecting winding is adjacent to conductor and disposed as the pose for making the winding toward the magnetic direction generated by the thunderbolt current flow into the conductor; the detecting winding is composed of two windings having same shape and wind number, and disposed as same pose and status of offsetting determined size opposite distance with conductor; the thunderbolt measuring device is equipped with: a mechanism for measuring charging voltage generated by two detecting windings; a mechanism for computing the distance between one of the detecting windings and the conductor by the ratio of the charging voltage; a mechanism for computing the thunderbolt current based on the distance and the charging voltage generated by one detecting winding.

The invention discloses a novel electric water heater, belonging to the technical field of household appliance manufacturing. The novel electric water heater mainly comprises a heat collecting chamber, an electric heating pipe, a control unit and a control chamber; the heat collecting chamber is arranged at upper part while the control chamber is arranged at the lower part; a dual-layered heat collecting tank is arranged in a heat insulation layer of the heat collecting chamber, wherein the outer layer is a heat accumulating water tank while the inner layer is an inner heat collecting tank; the lower part of the heat accumulating water tank is provided with a running water inlet pipe, the upper part of the heat accumulating water tank is provided with a water outlet pipe, and the top part of the heat accumulating water tank is provided with a safety valve; an end cover is arranged at the top part of the inner heat collecting tank; water, oil and other heat collecting fluid are stored in the inner heat collecting tank, the upper part of the inner heat collecting tank is provided with an automatic switch for automatically controlling the inflowing of the heat collecting fluid; the electric heating pipe is arranged at the lower part in the inner heat collecting tank and is externally covered by an upright and relatively slim horn type air guide cover. The novel electric water heater can actively guide flow and promote the heat collecting fluid such as purified water flowing through the high-temperature heat pipe to quickly flow upwards by using the temperature difference; the novel electric water heater is greatly beneficial to collecting heat and preventing the running water from being in contact with the high-temperature heat pipe, so that various hidden safety troubles such as scaling of the heat pipe are avoided. The novel electric water heater is simple in structure, and more beneficial to safety and is easier to manufacture.

The invention provides a high-power semiconductor laser focus indicator used for laser processing, which can improve alignment precision of a semiconductor laser efficiently and increase processing efficiency. The high-power semiconductor laser focus indicator used for laser processing comprises a semiconductor laser stack and an optical shaping module, wherein the semiconductor laser stack or the optical shaping module is provided with more than two indicating light sources which can be distinguished by naked eyes, and a converging point of lights emitted by the indicating light sources after passing through the optical shaping module is located at a light spot focus of the semiconductor laser stack.

The invention discloses a clutch driving device of an electronic lock. The clutch driving device comprises a cam, wherein the cam is connected with a push rod and used for driving the push rod to vertically move; the push rod is connected with a lifting lever through a tensile spring, the lifting lever is arranged on a fixed rotary shaft and rotates around it; the lifting lever is moved around the rotary shaft by the push rod so as to pop out or withdraw the push plate connected with the lifting lever. The clutch driving device is simple in structure; through the rotation of the cam, the vertical movement of the push rod is controlled, and the push rod is further connected with the lifting lever through the tensile spring; the lifting lever is moved around the rotary shaft by the push rod so as to pop out or withdraw the push plate connected with the lifting lever, thus the clutch is realized; besides, the action of the tensile spring cannot damage the cam when the external force pushes the push plate to withdraw.

The invention discloses a side-opening hidden computer keyboard cleaning mechanism. The mechanism comprises a rack assembly, a clamping assembly and a sweeping assembly. The rack assembly comprises two supporting columns, a rack top support and a rack bottom support. The two supporting columns are fixedly connected with the two ends of the rack top support correspondingly, and one of the supporting columns is fixedly connected with the rack bottom support. The clamping assembly is arranged on the rack top support. The sweeping assembly is arranged on the rack bottom support and comprises electric slide rails. The electric slide rails are fixedly connected to the upper surface of the rack bottom support, and a slide block of the electric slide rails is fixedly connected with an air cylinder, the output end of the air cylinder is fixedly connected with a stepping motor, and an output shaft of the stepping motor is fixedly connected with a cleaning wheel. The side-opening hidden computerkeyboard cleaning mechanism is simple and clear in structure, through the rotary cleaning effect of the cleaning wheel in the sweeping assembly, various garbage such as dust, hair and batting fillinga keyboard can be effectively removed, in addition, the keyboard can be quite well fixed through the stable clamping effect of the clamping assembly, and accordingly, a base of the keyboard is cleanedthoroughly.

The invention discloses a full-automatic electronic product packaging device. The full-automatic electronic product packaging device comprises a packaging bin, the packaging bin is provided with a first belt conveyor, a first code pasting device is arranged above the first belt conveyor, a packaging box storage cage is fixedly connected to the packaging bin, and a baffle is hinged to the lower part of the packaging box storage cage; the packaging bin is fixedly connected with a third supporting plate, the third supporting plate is fixedly connected with a rear end cover of a second cylinder, and a baffle is hinged to a piston rod of the second cylinder; the packaging bin is fixedly connected with a fourth supporting plate, the fourth supporting plate is provided with a lift, and a moving plate is placed on the lift; and a base is fixedly connected with a fifth supporting plate, the fifth supporting plate is fixedly connected with a rear end cover of a third cylinder, and a piston rod of the third cylinder is fixedly connected with a push rod. The full-automatic electronic product packaging device is simple in structure, small in occupied area and simple in operation, code pasting,code spraying and packaging streamlined operation can be realized, the packaging processing efficiency is high, and the packaging efficiency is high.

The present invention provides a protective device for avoiding optical lens surface scratch, and the protective device can avoid scratch caused by the lens storage box carrying. The protective device mainly includes a box body, lens holders and a lens holder support. The lens holder support is putted in the box body, and the box body is provided with a dust cover. The inner wall of the lens holder is provided with multi-step annular stepped faces, wherein, the multi-step annular stepped faces are in a cone-shaped distribution mode on the whole, and the inner diameter of each step of the annular stepped faces is larger than the inner diameter of a non-work face of the optical lens to be putted so as to ensure the non-contact placement of the optical lens. The inner wall of the lens holder is symmetrically provided with a trough passing through the multi-step annular stepped faces so as to take out and put lens conveniently. The protective device has the simple structure and saves the space, a plurality of lens with various sizes can be putted in the same lens holder through the multi-step annular steps, and the optical lens can be exactly putted on the annular stepped face which is suitable for the outer diameter of the optical lens.

The invention relates to a caster mixed type hydraulic mechanical leg and a control method. The caster mixed type hydraulic mechanical leg comprises a control system, a hydraulic cylinder, a standingleg, a rolling wheel, a supporting wheel axle and rolling wheel supporting spokes. The rolling wheel is connected with the rolling wheel axle in a matched mode. The rolling wheel axle is fixedly connected with the rolling wheel supporting spokes. The rolling wheel supporting spokes are welded to the front end of a piston rod of the hydraulic cylinder. The standing leg is in threaded connection with the inner wall, located at the output end of the piston rod, of the hydraulic cylinder. The caster mixed type hydraulic mechanical leg can slide by controlling stretching of the piston rod of the hydraulic cylinder and guaranteeing that the rolling wheel stretches out of the standing leg structure. The caster mixed type hydraulic mechanical leg can stand by controlling retraction of the piston rod of the hydraulic cylinder and guaranteeing that the rolling wheel is withdrawn into the standing leg structure. The caster mixed type hydraulic mechanical leg is concise in structure. The hydrauliccylinder is controlled conveniently. A caster mixed structure can guarantee fast switching of the sliding and standing states. The caster mixed type hydraulic mechanical leg can be used for wheel type mobile mechanical devices or robots.

The invention relates to an assembled bridge guard plate structure system and a construction method thereof. The system comprises a box girder and guard plates, wherein the guard plates are verticallyand longitudinally arranged above ends of flanges on two sides of the box girder, and bottom ends of the guard plates are inserted into flange plates of the box girder and fixedly assembled through bolts. The structure type is simple and clear, the stress is reasonable, universality is high, the characteristics of factory processing, quick assembly, detachability, replaceability and the like arefully utilized, advantages of a concave-convex tenon-and-mortise structure are ingeniously utilized, integrity and relative airtightness of the protection plate are effectively improved, and the use effect in the operation period is improved; the structure has very strong operability, can realize factory operation, is detachable and replaceable, has higher economic benefits and social benefits, and has wide application value in the field of bridge engineering.

The invention provides a stuffing multi-purpose pasta machine, which includes a motor, a transmission belt, a filling screw push rod, a filling screw cylinder, a bearing, a fabric cylinder, a filling cylinder, a fabric feeding hopper, and a filling feeding Bucket, fabric forming nozzle, stuffing forming nozzle, motor switch, motor governor and base, etc. It is characterized in that the motor drives the stuffing screw cylinder to extrude the noodles in the fabric tube through the forming nozzle, and at the same time, the stuffing in the stuffing tube is transported to the stuffing screw cylinder through the stuffing screw push rod and extruded , the fabric and the filling are extruded synchronously, and finally form the stuffed noodles. The stuffing forming mouth can be designed to be connected with the stuffing spiral cylinder, and can also be designed to be connected with the stuffing cylinder. The stuffed noodles can control the thickness and shape of the stuffed noodles by changing the forming nozzles with different thicknesses or shapes, so as to form pasta with different characteristics. The invention has many applicable materials, low manufacturing cost, and is suitable for large-scale popularization.

The invention relates to a railway isolation noise reduction board. The railway isolation noise reduction board is provided with an arc-shaped board with an S-shaped or C-shaped vertical face. The railway isolation noise reduction board is simple in structure, the transverse strength in the railway running direction is high, manufacturing is extremely easy, and the isolation height is increased.

The invention relates to an air cylinder with a liquid buffer device. The air cylinder is characterized in that the outer end of a thick piston rod passes through a left end cover of a cylinder body; the outer end of a thin piston rod passes through a right end cover of the cylinder body; the buffer device for reducing the operation speed of a piston rod set is arranged between the thick piston rod and the thin piston rod; a first piston and the left end cover define a second air cavity surrounding the thick piston rod in the cylinder body; a second piston and the first piston define a first liquid cavity surrounding the thin piston rod in the cylinder body; an air inlet cavity for pushing the thin piston rod to slide is formed in the right end of the cylinder body; a third piston divides a hollow inner cavity into a second liquid cavity and a connecting chamber in an airtight way; the second liquid cavity is communicated with the first liquid cavity through a third through hole formed in the thin piston rod; the connecting chamber of the thin piston rod is communicated with a sleeve inner cavity through an inner port of the thin piston rod to form an airtight third air cavity; a spring is arranged in the third air chamber in the axial direction, one end of the spring sleeves a positioning shaft on the inner end surface of the sleeve, and the other end of the spring sleeves a short shaft.

The embodiment of the invention discloses a synchronization power supply device, comprising a synchronization power supply plate, a pulse trigger and a singlechip, wherein the synchronization power supply plate is used for converting the received single-phase high voltage into single-phase low voltage and outputting the single-phase low voltage to the pulse trigger; the output end of the pulse trigger is connected with an interrupt interface of the singlechip for outputting a synchronization pulse signal of a triggering singlechip, which is converted by the single-phase low voltage; the singlechip is used for processing the received synchronization pulse signal and outputting the signal, the synchronization power supply device takes the situation that the single-phase high voltage is converted into the single-phase low voltage as a trigger signal of the pulse trigger and outputs the trigger signal through the pulse trigger, and then the trigger signal is used as the synchronization pulse signal to be output to the singlechip, and the singlechip processes the synchronization pulse signal and then outputs the signals, so as to realize the purpose of single-phase voltage synchronization; a single-phase synchronization circuit is simple, compared with the prior art, the adjustability is greatly improved, and the fault treating procedure is simple and easy.

The invention discloses dry film pressing equipment for a single-sided circuit board. The dry film pressing equipment comprises a lower pressing roller and an upper pressing roller; supporting framesare arranged on the two sides of the upper pressing roller, sliding grooves are formed in the supporting frames, sliding blocks are embedded into the sliding grooves, the sliding blocks are fixedly connected with moving bearing seats, and the moving bearing seats are on bearing connection with the upper pressing roller; and the tops of the supporting frames are in threaded connection with bolt columns, and the bolt columns are connected with the tops of the moving bearing seats in an abutted mode. The invention further discloses using steps of the dry film pressing equipment for the single-sided circuit board. The using steps adopt the following steps that S1, a rotating piece is screwed; S2, an electric heating wire inside the upper pressing roller is started; S3, two raw materials are introduced between the lower pressing roller and the upper pressing roller; and S4, a stepping motor is started. According to the dry film pressing equipment for the single-sided circuit board and the using steps thereof, the structure is concise, scientific and reasonable, the spacing between the lower pressing roller and the upper pressing roller can be quickly changed through the extrusion effectof the bolt columns on the moving bearing seats, thus the film pasting pressure is quickly changed, the film pasting speed is precisely controlled through the stepping motor, and the steps of dry film pressing operation are easy and convenient.

The invention discloses a continuous cutting process for cylinders. The process comprises the steps of unwinding, pre-forming, sewing, saving cloth, measuring range, cutting and conveying, wherein an unwinding frame is a passive dual-station; a compression roller is automatically lifted after roll materials are used up; a pre-rolling device is arranged in front of a sewn cylinder; a groove facilitating winding and guiding of the cylinder materials is arranged at the rubber covered roll which is spliced, sewn and contacted with the cylinder materials; a cloth storage carriage of a cloth storage machine is combined with a linear bearing by adopting two optical axes, and the speed of a range roller is automatically adjusted according to the cloth storage capacity; power of the range roller comes from a servo speed-reducing motor, and is fed back to a programmable logic controller (PLC) by an encoder to measure length; a bidirectional cutting and pressing mechanism is adopted, a high-speed circular cutter can cut bag materials back and forward without resetting; and an independent variable-frequency speed-reducing motor is adopted as a transmission belt, is linked with a range servo speed-reducing motor by the PLC, and is automatically matched with the speed of the last step so as to complete continuous cutting of cylinder. The continuous cylinder cutting process adopts bidirectional cut, and has high work efficiency, safety and reliability.

The invention relates to a design method for a front landing gear of a full-maneuverable mechanical model. The design method comprises the following steps: I, acquiring a design size of the front landing gear of the full-maneuverable mechanical model according to the size of a real front landing gear and a predetermined shrink ratio; II, acquiring a force transfer structure of the front landing gear of the model according to a force transfer structure of the real front landing gear, and calculating the mechanical property of the force transfer structure of the simplified front landing gear in a simulation way; III, performing fitting according to the performance parameters of a hydraulic buffer and a tire in the real front landing gear to obtain a spring rigidity coefficient and a tire performance parameter in the simplified structure of the front landing gear; IV, recalculating the spring size and the tire size according to the mechanical property obtained in the step II and the spring rigidity coefficient and the tire performance parameter obtained in the step III; V, performing iterative optimization to obtain an optimal size of the front landing gear of the full-maneuverable mechanical model. Adopting the design method for the front landing gear of the full-maneuverable mechanical model ensures completely that the force transfer structure and the force transfer characteristic can meet the dynamic test requirement.

The invention provides a single ankle joint surface replacement system, which consists of a shin side face, a rotating core and a calcar side face, wherein the shin side face and the calcar side faceare made of metal or alloy materials, and the rotating core is made of polyethylene abrasion-resistant material. By using the structure, single ankle joint surface replacement can be achieved. The front part of the shin side face is connected with a sagittal position of the body at an angle, and the top part of the shin side face is a rough spraying surface or a non-polished metal surface; the bottom of the shin side face is a polished smooth surface. And the middle part of a body part is provided with a double-fin keel. The left diameter and right diameter and the front diameter and back diameter of the rotating core are smaller than that of the shin side face; the top of the rotating core is convex in sagittal position and coronal position, and the bottom of the rotating core is horizontal smooth plane. The polished horizontal smooth surface is arranged at the top part of the calcar side face, the non-polished metal surface is arranged at the bottom part, and the double-fin keel is arranged at the middle part of the bottom part. The system has the advantages of simple structure, convenient use, good ankle joint function, effective bone retention, effective improvement of initialstability and reduction of refurbishment rate.

The invention relates to a novel solar photovoltaic power generation system supporting frame, which comprises at least two pairs of vertical columns and transverse cables. The vertical columns are paired horizontally; the number of the transverse cables is the same as the pair number of the vertical columns; the transverse cables are tightly pulled between the vertical columns paired horizontally; the transverse cables are used for fixing a solar cell module of the solar photovoltaic power generation system; the solar cell module arranged on the transverse cable tilts towards a light receiving face; and each vertical column has a vertical telescopic structure. The novel solar photovoltaic power generation system supporting frame is of great significance in utilization of upper space of large-span places such as an aquafarm, an open parking lot, an outdoor sports field, and a square. The system is reasonably designed, the structure is simple, and the cost is low.

The invention provides a qi and blood circulation machine integrating aerobic exercise and massage, which includes a main machine, a rotating body and a braking device are arranged inside the main machine, the rotating body penetrates the top of the main machine and is fixedly connected to a massage board, and the massage board There is a cylindrical cavity that runs through its upper and lower ends. Several electric telescopic rods are installed on the top of the rotating body. The electric telescopic rods correspond to the cylindrical cavities one by one. The shaft and the rotating shaft are splined to connect the ball bearing, and the bottom end of the ball bearing is fixedly installed with a receiving part, which is connected to the buffer seat through a wave spring. Metabolism; and press the acupoints on the soles of the feet through the massage block to make the human body resonate, improve local and whole body blood circulation, accelerate blood circulation, and promote the physiological functions of the human body.

The invention provides a use and construction method of a high-altitude, large-span and heavy-load tool-type formwork supporting steel platform. The high-altitude, large-span and heavy-load tool-typeformwork supporting steel platform can be used for a top-layer construction platform of a high-altitude and large-span building structure, an aerial connected structure and a high-altitude and large-span structure. The construction method includes the following steps that a tool-type steel structure platform and a formwork supporting frame are integrally assembled on the ground; a main body vertical structure is constructed first to reach a scheduled elevation; design and construction of temporary bearing points of the main body structure are carried out; installation of intelligent lifting machinery and connection fixing at the temporary bearing points of the main body structure are carried out; and a preloading load test and test verification on the ground are carried out. According to the construction method, the intelligent control of autonomous overall synchronous lifting of the high-altitude, large-span and heavy-load tool-type formwork supporting steel platform is realized, thetop-layer construction and monitoring of a high-altitude, large-span and heavy-load concrete main body structure are realized, and the principles are scientific, the method is ingenious, the technology is advanced, the safety and the reliability are realized, the technology is simple, the construction period is shortened, the cost is reduced, the labor intensity is reduced, and by combining an intelligent monitoring system, the active safety in the construction process of a main body horizontal structure is realized.

The invention belongs to the technical field of household appliance manufacture. The novel refrigerating and heating double-functional machine is composed of an energy collection box, a refrigerator, a control unit and a compressor assembly, wherein the compressor assembly comprises a compressor, a liquid reservoir, a thermal expansion valve, coil pipes and a refrigeration working medium; the energy collection box is located above the refrigerator, and is arranged in a sliptting way with the refrigerator; a heat collection chamber is arranged at the upper part of the energy collection box, and a refrigeration chamber is arranged at the lower part of the energy collection box; the heat collection chamber is provided with a heat collection water tank, and the coil pipe in the heat collection chamber is arranged in a way of closely clinging to the outer side of the outer wall of the heat collection water tank; and a refrigerating coil pipe in the refrigeration chamber is provided with heat absorption pieces, and a fan and a guide plate for enhancing heat transfer are arranged in the refrigeration chamber. According to the scheme disclosed by the invention, the refrigerating and heating double energy efficiency generated by series components of the compressor, a refrigerant agent, the thermal expansion valve, the coil pipes and the like are given full play, and refrigerating and heating are performed synchronously with high efficiency, and the novel refrigerating and heating double-functional machine has a simple and clear structure, is energy-conversation and environmentally-friendly, and economical and practical, and the components are manufactured in a slitting way.

The invention relates to a door frame with adjustable thickness. The door frame includes an n-shaped door frame body, and the door frame body is composed of an upper door frame and two side door frames; the upper door frame and the side door frames of the door frame body are separately composed of fixing plates of the same structure, adjustable plates of the same structure and adjustment guide assemblies of the same structure; the upper right sides of the fixing plates are matched with the left sides of adjustable plates and are connected together through the multiple adjustment guide assemblies; the adjustment guide assemblies are each composed of two bent sheet metal parts of the same structure, one of every two bent sheet metal parts is fixedly connected to the corresponding fixing plate, and the other one of every two bent sheet metal parts is fixedly connected to the corresponding adjustable plates; and the end parts of every two bent sheet metal parts are relatively matched and can slide. According to the door frame with the adjustable thickness, the thickness of the door frame can be adjusted on an installation site to be matched with the thickness of a wall body on the site, the smooth installation of the door frame can be ensured, and the production batches of enterprises can be reduced.