45results about How to "Less mechanical action" patented technology

The invention discloses a hot air bypassing continuous heat-supply and defrost cycle structure of an air conditioner, simple opening and closing of a capillary pipe and a solenoid valve are adopted to carry out the automatic adjustment of the refrigerant flow to realize the indoor continuous heat supply when the defrosting is carried out outside, the cycle structure has the advantages of simple control, less mechanical action and the like, thereby increasing the reliability of the air-conditioner system and having wide market application prospect.

The invention relates to the technical field of explosives, in particular to a process for charging and packing an industrial powder explosive cartridge and a vibratory charging machine. The process for charging and packing the industrial powder explosive cartridge is characterized by comprising a cartridge finishing and fixed connecting process, a cartridge charging process and a cartridge sealing process. The vibratory charging machine is characterized by comprising a stander; the stander is provided with a frame conveying mechanism, a charging station and a sealing station; the charging station is provided with a charging ramming mechanism and a compaction mechanism; and the sealing station is provided with a sealing mechanism. The process has the advantages of short flow, high safety performance, high working efficiency, good charging quality, and the like; and the vibratory charging machine has the advantages of high essential safety level, high product quality qualification rate, high automation degree, large capacity, compact and reasonable structure, little occupied area, few operation personnel at a dangerous area, and the like.

The invention discloses a two-wheeled balance car with a bionic tail structure, and belongs to the technical field of automatic control. According to the two-wheeled balance car, the bionic principle is applied to modern life, a mechanical tail is abstracted from the great significance of tails in animal motion for self balance, an automatic control system is regulated and controlled through the mechanical tail, and therefore the overall stability of the system is improved, the two-wheeled balance car with the bionic tail structure is regulated and controlled under limiting conditions, and the response time needed by the system for restoring the balance state can be greatly shortened. According to implementation of the two-wheeled balance car, a body is kept balanced through the mechanical tail structure which is arranged on the rear portion of the two-wheeled balance car and utilizes the bionic principle via vertical and left-and-right motion, meanwhile, the two-wheeled balance car is controlled to be balanced by controlling independent rotation (speed and direction) of two wheels for cooperation, and therefore the obvious defects existing in automatic balance of the two-wheeled balance car are overcome through the design. In addition, the functions which cannot be achieved by other two-wheeled car platforms or are hard for other two-wheeled car platforms to achieve are shown.

The invention discloses a construction method of a steel rib column beam-column joint. The construction method comprises the following steps: 1, machining of a steel rib column beam-column joint shaping protection barrel; 2, hoisting of a beam-column frame; 3, mounting of a steel bar truss floor bearing plate, and binding of vertical steel bars; and 4, erecting of a steel rib column formwork, andpouring of concrete. The construction method is simple in steps, convenient to construct and easy to operate, the beam-column joint does not need be supported by a wooden formwork, input labor force and mechanical equipment are less, and the construction effect is good; and after pouring, formwork removing is avoided, the problems of large formwork removing task and more labor force input are solved, and practicality is high.

The invention provides a fabricated enclosing wall. The fabricated enclosing wall comprises ground beams, supporting uprights and an underground foundation part. The ground beams are laid above the ground, a plurality of ground beam reinforcing bars are laid into the ground beams in the horizontal direction, and every two adjacent ground beams stretch out of the ground beam reinforcing bars at the two ends and are arranged at connecting nodes in a staggered and lap-joint mode. The underground foundation part comprises a foundation short column, a bearing table, a cushion layer and a plain soil punning layer. The foundation short column is of a hollow structure, and the bearing table, the cushion layer and the plain soil punning layer are sequentially arranged below the foundation short column from top to bottom. The hollow structure of the upper portion of the foundation short column is internally provided with vertical steel bars and a plurality of stirrups. The vertical steel bars extend into the connecting nodes of every two adjacent ground beams and are in perpendicular lap-joint connection with the ground beam reinforcing bars. The invention further provides a construction method of the fabricated enclosing wall. The fabricated enclosing wall is stable in structural stress, solid and durable; the construction method is high in construction speed and facilitates installation; and the product quality is good.

The invention relates to a construction technology for a cantilever type U-shaped bent cap and a precast beam component. According to the construction technology for the cantilever type U-shaped bentcap, integral non-support construction of the cantilever type U-shaped bent cap is conducted through manners that staging prefabricated casting is adopted on the whole, and steel tendons are tensionedgradually in each state. The construction technology for the cantilever type U-shaped bent cap comprises the steps that a U-shaped beam component is prefabricated firstly; casting grooves with periphery totally-enclosed are formed in the U-shaped beam component; pre-buried casing pipes are installed at the bottom of the U-shaped beam component and the corresponding middle positions of bridge piers; the first batch of prestressed steel tendons are tensioned on the U-shaped beam component; the prefabricated U-shaped beam component is moved to the bridge piers; reserved steel bars in the bridgepiers penetrate through the pre-buried casing pipes in the beam component and stretch into the casting grooves; and hollow portions of the casting grooves of the beam component is cast in situ, the second batch of prestressed steel tendons are tensioned correspondingly, and pore channels are reserved for next-stage prestressed tensioning. By means of the construction technology for the cantilevertype U-shaped bent cap, higher efficiency of construction production, the lower cost and simple on-site transportation operation of the bent cap are achieved.

A file reading method is used for reading files of hard disks. The files correspond to a plurality of physical blocks in hard disks. The file reading method comprises detecting file system types of hard disks; reading address information of the files according to the file system types; obtaining a plurality of physical block addresses corresponding to the physical blocks according to the address information; sequencing the physical block addresses to obtain a physical address table, wherein the physical block addresses in the physical address table are arranged in an increasing or decreasing sequence; and reading the physical blocks of the files through a first reading means according to the physical address table.

The invention relates to energy-saving lamp production equipment, in particular to an automatic pipe feeding device of a sealing machine. The automatic pipe feeding device of the sealing machine comprises a stem separating device, a first transfer device, a second transfer device and a stem guide device. The stem separating device comprises a first telescopic device, a piston rod of the first telescopic device is connected with a blocking rod, the blocking rod is divided into two vertical rods, transverse rods are connected with the top ends of the vertical rods, a plurality of blocking teeth are arranged on the transverse rods, and the blocking teeth on the two transverse rods are oppositely staggered. The stem guide device comprises a guide base, a guide clamp is arranged on the guide base and is in a funnel shape in the clamping state, and hydraulic drive, pneumatic drive, electrical drive and mechanical drive can be adopted for the guide clamp. By means of the automatic pipe feeding device of the sealing machine, the successful rate of clamping stems by a mechanical arm is high, the phenomenon that filaments of the stems cannot enter holes can be avoided, and the feeding accuracy is improved and is high; the stems can be continuously fed, mechanical movements are few, the feeding and discharging time is short, efficiency is high, and maintenance is convenient.

The invention provides a vacuum feeding machine and an automatic feeding system. The vacuum feeding machine comprises a storage tank, a filter chamber, a controller, a top cover, an air regulating valve, an air cannon and at least two working groups, wherein each working group comprises a filter group, a control cavity, a tee pneumatic control valve and an exhaust valve; a feed opening is arranged on the storage tank, and the upper end of the storage tank is communicated with the filter chamber; the filter chambers are communicated with the filter groups; the top cover is fixedly connected with one end of each control cavity, so that a vacuum chamber is formed; the tee pneumatic control valve is accommodated in the vacuum chamber; the exhaust valves are communicated with the air cannon; the tee pneumatic control valves are further communicated with the air regulating valve; and the controller controls the on and off of the air cannon and the on and off of the tee pneumatic control valve of each working group respectively. According to the vacuum feeding machine, the feed opening is directly mounted on the storage tank of a material, so that the material can be prevented from being absorbed on filters excessively; a plurality of the working groups are arranged, and each working group can be independently controlled by the controller, so that the material can be conveyed continuously, and the conveying efficiency is improved greatly; and the mechanical device is optimized, mechanical faults are reduced, and the operation is convenient.

The invention discloses an automobile hub diameter measuring and positioning conveying device and a control method thereof. The device comprises a transverse conveying device, a longitudinal conveyingdevice, an upper computer and a control system. An inlet of the transverse conveying device is provided with an inlet photoelectric. The upper side of the transverse conveying device is provided witha measuring light curtain for diameter measuring and positioning for a hub. The transverse conveying device conveys the hub to a certain position. The longitudinal conveying device moves the hub out,and an outlet of the longitudinal conveying device is provided with an outlet photoelectric. The automobile hub diameter measuring and positioning conveying device has the advantages that hub diameter measuring precision is high, the measuring speed is high, hub positioning is accurate, the positioning position can be arbitrarily set according to the process, the control algorithm is modularized,intelligent and diversified, the control robustness is good, the mechanical structure is simple, the cost is low, and the efficiency of conveying the hub is high.

The invention consists of back guy and board. The back guy and board both are made of high tensile strength material. Both ends of back guy are anchored at the mountain body beside the river. The board is fixed on the back guy, and its bottom and broadside is building in riverbed and rock mass beside river by using cement concrete or mortar. With the invention, the dam can be built from top to bottom, and construction can not be influenced by water flow of river.

The invention discloses a tool used for fixing and installing a boiler drum and a use method thereof. The tool comprises two symmetrically-arranged gantry fixing supports. Each gantry fixing support comprises two parallel stand columns, an upper transverse beam support arranged at the tops of the two stand columns and a lower transverse beam support arranged at the lower portions of the two stand columns. Two upper limiting devices are symmetrically arranged on each upper transverse beam support. Two lower limiting devices are symmetrically arranged on each lower transverse beam support. Slant supports are arranged on the two sides of each stand column, wherein the upper ends of the slant supports and the corresponding upper transverse beam support are fixed, and the lower ends of the slant supports are supported on the ground. The use method includes the steps of arranging, clamping and fixing the boiler drum on the two gantry fixing supports and the like. The tool and the use method have the advantages that the occupied area is small, the fixing state is stable, the super-large and super-heavy in-bulk boiler drum can be conveniently fixed, installed and constructed, and the good practicability is achieved.

The invention discloses a vehicle body top cover mounting and positioning control method and device, a controller and a medium. The method comprises the steps that a vehicle body is moved to a specified position, and the degree of freedom of the vehicle body in a space coordinate system is limited; a top cover is moved to a theoretical mounting position, and the degree of freedom of the top cover in the space coordinate system is limited; a vehicle body deviation value between the specified position and a target position of the vehicle body is acquired; the actual mounting position of the top cover is calculated according to the theoretical mounting position and the vehicle body deviation value; and the top cover is moved to the actual installation position, and the top cover is vertically and downwards placed on a vehicle body. The car body top cover mounting and positioning control method has the advantages of being high in flexibility, automatic and capable of saving process area while it is ensured that a car body top cover splicing process can meet the large-size design trend of the top cover.

The invention relates to annular pressing equipment of brick tea, and relates to a black brick tea mechanism. The annular pressing equipment comprises an annular track frame (1), wherein a mold moving body (39) which moves on the annular track frame (1) is arranged on the annular track frame (1); a pushing mechanism (4) for pushing the mold moving body (39) to move is arranged on one side of the mold moving body (39); and a pressing machine (2) is arranged on the mold moving body (39) in a crossing manner. The annular pressing equipment disclosed by the invention is compact in structure; compared with the floor space of a rectangular pressing machine, the floor space of the annular pressing equipment is reduced to 1/4-to 1/2; the mechanical structure is simplified; the mechanical movements are reduced; the running fault rate of the equipment and the energy consumption of the equipment are obviously reduced; the running speed of the equipment is accelerated; and the production efficiency is obviously improved.

The invention discloses a closed locking device for a cutting hipper. The closed locking device comprises a first cutter body, a second cutter body, a first knife handle and a second knife handle. Thefirst cutter body and the second cutter body are hinged; the first knife handle and the first cutter body are connected; the second knife handle and the second cutter body are connected; a locking block which pushes the first cutter body to eject the second cutter body to be closed and locked when the first cutter body and the second cutter body are closed is arranged on the first cutter body, sothat the danger of injuring a child holding the closed locking device for the cutting hipper accidentally is reduced, the mechanical action of repeatedly opening and closing the closed locking devicefor the cutting hipper for many times can be also reduced effectively, wear is reduced, and meanwhile, the danger of holding the cutting edge to be injured is reduced when a worker transfer the tool.