256results about How to "Small footprint for installation" patented technology

The invention relates to the field of gas burners in the boiler industry, in particular to a metal fiber post-mixing type burner and a gas-fired boiler. The burner comprises a combustion head, a blower and a mixer, wherein a gas-fired swirl device is arranged in the mixer. When the burner is in operation, both fuel gas and air fed into the mixer by the blower flow into the mixer and enter the combustion head for burning after being uniformly mixed by the gas-fired swirl device. The boiler employs the above burner. According to the invention, the part of the burner in a metal fiber post-mixing burning mode, which is arranged outside the boiler, is compact in size; flame on the surfaces of the metal fibers is more uniform; the ignition reliability is improved; and the shaft diameter ratio of the combustion head is increased. The boiler is matched with the burner in a compact shape, so that more than half of the steel material consumption of the boiler is reduced and the occupied area for installation of the matched boiler is reduced by more than a half.

The invention provides a common tank type gas-insulated transmission line, which comprises a shell and an internal conductor which is arranged inside the shell, wherein insulating gas is filled into a space between the shell and the internal conductor. The common tank type gas-insulated transmission line is characterized in that the internal conductor is a three-phase conductor which is fixedly arranged inside the shell. The invention arranges the three-phase conductor inside a common metal pipe, thereby greatly reducing the volume and the occupation space of engineering installation. No matter ground installation, underground tunnel or underground trench is adopted, the engineering investment can be effectively reduced and the economic benefit is more obvious. Simultaneously, the three-phase common tank GIL is to replace a split tank type product which adopts SF6 gas as a main insulating gas with a novel product which adopts dried and purified compressed air as the main insulating gas, belongs to a third generation of product with the advantages of safety and environmental protection, and has wide market prospect and obvious economic benefit and social benefit.

The invention discloses an automatic delivery system for high-rise buildings, which includes a delivery track, a delivery trolley, a delivery box and a control system; the delivery track includes a main rail and an auxiliary rail; the main rail is installed vertically along the wall of the building, There are corresponding attached rails on each floor; there is also a transition rail between the main rail and the attached rail, which is connected by a rail changing device. The rail changing device enables the two ends of the transition rail to be connected / detached from the main rail and the attached rail respectively; The delivery trolley is connected to the delivery track and walks on the delivery track under the action of the driving device; the delivery box is connected to one end of the main track for the courier or the delivery robot to store and pick up the pieces; the control system includes control The center and the main rail part, accessory rail part, track changing part and delivery part connected to it; solve the problem of the last "100 meters" of logistics; facilitate the receiving and dispatching of the receiving personnel and delivery personnel; the high-rise building automatically delivers goods The system has a simple structure and convenient operation, which improves the delivery efficiency of the automatic delivery system for high-rise buildings.

A hot-pressing production system for plywood for container bottom plates is characterized by comprising prepresses (1), plate storage rolling platforms (2), a movable lifting platform (3), a semi-automatic plate feeder (4), two rails (5), two to four hot presses (6) and lifting platforms (7). The two rails (5) are transversely arranged, the movable lifting platform (3) is arranged on one of the rails (5), and the semi-automatic plate feeder (4) is arranged on the other rail (5), the plate storage rolling platforms (2) are arranged outside the movable lifting platform (3), the hot presses (6) are arranged outside the semi-automatic plate feeder (4), and the lifting platforms (7) are arranged behind the hot presses (6). The semi-automatic plate feeder is adopted to automatically feed plates to the hot presses one by one. By adopting the hot-pressing production system for the plywood for the container bottom plates, labor intensity of operators and complexity during operation are reduced, the problems about staggering, open joints, folding, surface separating and the like of surface layers of plate blanks are avoided, occupation area for mounting equipment is small, investment is low, energy consumption is low, and production operating cost is reduced.

The invention discloses a method and a device for treating high-concentration organic wastewater and producing methane gas. The method provided by the invention comprises the following processing steps: firstly, the organic wastewater is heated and then charged to a catalytic tower, multiple organic substances in the wastewater generate methane gas and carbon dioxide gas after being subjected to catalytic methanation reaction under action of catalyst, temperature and pressure, and active ingredients are selected from at least one kind of ruthenium, palladium, rhodium, platinum, iridium, nickel, cobalt, manganese and cerium, or a compound which is insoluble in water or difficultly soluble in water and is formed by at least one aforementioned metal; and the carbon dioxide gas generated in the reaction is subjected to desorption; finally fluid enters in a gas-liquid separator, gas rich in methane is collected for storage after separation, and a follow-up treating process is performed after liquid is discharged. According to the invention, the method can purify organic substances in the wastewater and can generate the methane gas at the same time to realize the resource utilization of the wastewater, thereby contributing to reduce the overall cost of wastewater treatment.

The invention discloses a closed cooling system for soft water of a blast furnace body and a blast furnace cooling method. The blast furnace cooling method comprises the steps that firstly, for cooling wall bodies on some layers of a blast furnace, water inlet pipes of the cooling wall bodies in the layer communicate with a water inlet centralizing pipe, and water outlet pipes of the cooling wall bodies in the layer communicate with a water outlet centralizing pipe; each water inlet pipe is provided with a first adjusting valve, one end of each bypass pipe communicates with the water inlet centralizing pipe, the other end of each bypass pipe communicates with the water outlet centralizing pipe, and the bypass valves are provided with second adjusting valves; secondly, the aperture of the first adjusting valves is controlled, flow of water in corresponding cooling water runners is increased or decreased so as to adjust the cooling strength of blast furnace areas corresponding to the cooling water runners, meanwhile, the reverse direction change of the aperture of the corresponding second adjusting valves is controlled, and therefore flow of water in other cooling water runners not needing adjustment is maintained not to be influenced. According to the closed cooling system, the system can be automatically controlled to adjust the passing cooling water amount according to the local heat load of the furnace body, and meanwhile it is guaranteed that adjustment in the area cannot influence flow in other areas.

The invention discloses a storage and taking tank body of a building delivery system. The storage and taking tank body comprises a shell, a rotary storage cabinet and a mechanical hand used for grabbing packages. The rotary storage cabinet and the mechanical hand used for grabbing packages are arranged in the shell. The shell is provided with a storage port and a taking port. A plurality of storage boxes with different sizes are evenly distributed on the rotary storage cabinet. The rotary storage cabinet is connected with a driving mechanism. The mechanical hand is located on the inner side wall of the shell, and a driving sliding mechanism is connected to the mechanical hand. The mechanical hand relatively moves on the inner side wall of the shell under the effect of the driving sliding mechanism. The outer side wall of the shell is further provided with an information input end. By means of reasonable structure arrangement of the storage cabinet and storage and taking mechanism components, intelligent storage is achieved, the phenomenon that storage cabinet resources are not enough or storage cabinet resources are wasted in the prior art is avoided, good storage cabinet using service is provided for users, and the storage and taking tank body is simple in structure, small in space occupation rate, high in utilization rate and good in using value.

The invention discloses a flow discarding and flow diversion device and its work method, particularly relates to a flow discarding and flow diversion device of a rainwater down pipe and a flow discarding and flow diversion method, and belongs to the technical field of urban water supply and drainage. The device includes a box body having a water collecting chamber, the water collecting chamber is internally provided with a float ball chamber, the box body is further provided with the rainwater down pipe from which rainwater enters, the lower end portion of the rainwater down pipe is provided with a water segregator, the water segregator introduces one part of liquid into the float ball chamber, the other part of liquid enters the water collecting chamber, the box body is provided with a first water outlet, the water collecting chamber and a liquid channel of the first water outlet are provided with float ball valves, float balls of the float ball valves are located in the float ball chamber, the box body is further provided with a second water outlet, when the liquid channel of the first water outlet is closed, liquid overflows to the second water outlet and is discharged, and the lower portion of the float ball chamber is provided with a liquid discharge hole used for water drainage. According to the device and the method, the early flow discarding and flow diversion problems of the earth surface, buildings and structures are solved, water resources are made full use of, and the practicability is higher.

The invention discloses a building delivery system storage device capable of processing remained parcels. The building delivery system storage device comprises a box, a grabbing mechanism, a delivery mechanism and a control system. The box is provided with an object storage port and an object taking port which are used for storing and taking, and the grabbing mechanism and the delivery mechanism are arranged in the box. The box is a rotary box, and a plurality of storage boxes different in volume and size are arranged on the inner side wall of the box. The storage boxes include storage box bodies and retention storage boxes. The grabbing mechanism is located at the middle portion of the box and used for storing / taking objects out of the storage boxes. The delivery mechanism is located at the position of the object storage port. According to the building delivery system storage device capable of processing the remained parcels, the space utilization rate is high, the remained objects can be processed in time, storage space is emptied, rapid response and object storing and taking can be achieved, and the object storing and taking efficiency is high. The building delivery system storage device is simple in structure, installation and usage are convenient, and the problems that an existing storage box is complex in structure, the box space utilization rate is low, object taking and storing are not convenient, and the using cost is high are achieved, operation is simple, and practicability is high.

The invention provides a high-voltage sub-module based on the MMC circuit topology, and the sub-module comprises a DC support capacitor, a power switch device, and a lamination busbar. Leading-out terminals of the DC support capacitor comprise two terminal strips, and the terminal strips are arranged at an outgoing line of a housing in the DC support capacitor in an asymmetric manner. The lamination busbar, the leading-out terminals and the switch devices are disposed on the same plane. Compared with the prior art, the sub-module provided by the invention employs a lamination busbar connection mode, is small in loop stray inductance, is small in pulse peak, is compact in structure, and is high in reliability. The leading-out terminals of the capacitor are not symmetric, thereby effectively reducing the size of an external lamination busbar, and achieving the low cost. The switch devices are disposed on the same heat radiator, and there is only one incoming heat dissipation pipe water connector and one outgoing heat dissipation pipe water connector, so the risk of pipe faults is small.

The invention provides a coal ash foam building block production method. According to a formula, a dry blend is composed of coal ash, blast furnace slag, gypsum powder, perlite and cement, and polystyrene particles, water and various additives are added in each ton of dry blend. A production system is composed of hoppers, stock bins, a polystyrene particle puffing machine, electronic scales, an auger conveyor, a water pump, a stirring machine, mold trolleys, a light rail and a bin for the various additives. The production system is characterized in that the electronic scales which are controlled by a computer are installed at outlets of the stock bins correspondingly and are in butt joint with the auger conveyor, the auger conveyor is connected with the feeding end of the stirring machine, and an outlet of a polystyrene particle bin is connected with the stirring machine; the puffing machine is connected with a steam pipe; the stirring machine is connected with a water pump water outlet pipe; the mold trolleys are arranged on the light rail, and mold assemblies are arranged on the mold trolley and are in butt joint with an outlet of the stirring machine; and wet blends are poured into molds for formation, manual demolding is conducted, and water is poured for curing. According to the coal ash foam building block production method, waste can be changed into valuable materials, the formula is nontoxic and free of odor and radioactive contamination, and coal ash foam building blocks produced through the method are pure-natural, green, healthy, ecological and environment-friendly wall materials.

The invention belongs to the technical field of household appliances, and discloses a household dual-energy high-power central heater. Two improved gas water heaters are adopted for heating, the heating power and the speed are high, the heating demand of a family with a large house can be met, and high-flow and constant-temperature hot water can be supplied uninterruptedly; the heat-storage electric auxiliary device is added, the defect of the single heating manner is overcome, fuel gas and electricity can be simultaneously used for heating, either the fuel gas or the electricity can be used alone for heating, and the central heater integrates advantages of a rapid water heater and a volume type water heater; and meanwhile, the household dual-energy high-power central heater is simple and compact in structure, occupies small mounting space and is convenient to mount, simple to maintain, high in integration degree, simple and intelligent to operate and safe and reliable to use.

The invention relates to a method and a device for producing syngas by combustion and gasification of double cylinders, which comprises a combustion furnace and a gasification furnace in a double-cylinder structure, as well as a matching indirect gasification device comprising a feeding system, a gas-solid separation system, a heat recovery utilization system and the like, wherein the combustion furnace constitutes an inner cylinder of the device, the gasification furnace is positioned in an annular space between an outer cylinder and the inner cylinder, and the reaction control of the gasification furnace can be implemented by zoning. The supply of materials is realized by a hopper, a feeder, a driving gear, a rotating disc and the like, and the materials in the hopper are sent onto the rotating disc in the gasification furnace via the feeder and respectively sent to feeding valve ports of the combustion furnace and the gasification furnace via the rotating disc, thereby realizing the distribution and the transportation of the materials. The invention provides an indirect gasification method with higher efficiency and a compact integrated device, and the device has high reliability and high utilization efficiency of energy, and can be used for directional gasification of coal or biomass, or be used as a matching device for producing combustible gas with high calorific value through combustion of the coal and the biomass.

The invention discloses a vector water jet propeller device and a vector water jet propulsion method, belongs to the technical field of water propulsion of ships and amphibious vehicles, and solves the problem that the existing water jet propulsion ship and amphibious vehicle cannot effectively control the posture of a vehicle body or a ship body. The vector water jet propeller mainly comprises awater inlet shell, a water outlet shell, a propeller support, a water jet propeller inner container and an oil cylinder assembly arranged on the propeller support. The spherical propeller inner container can rotate in the shell, the two ball supports which are perpendicular to each other are fixedly installed on the inner container, the water jet propeller inner container is pushed to rotate in the shell by controlling stretching and retracting of a piston rod of the oil cylinder assembly, the left-right angle and the pitching angle of a water spraying pipe on the inner container are adjusted,and the water spraying angle of the vector water jet propeller is controlled. Vector propelling force in different directions can be obtained by changing the angle of tail water jet flow, then the posture can be adjusted according to environmental disturbance and waves, and the seakeeping performance and navigation stability of amphibious vehicles or ships are improved.

The invention is a light source uniform low loss transmission projecting device used in the optical coating monitoring system, and it comprises the light source firing box, the modulator, the optical component, in which, the light source firing box has the tungsten lamp with spotlight cover, one side of the box connecting with a fixed speed motor modulator through the supporting pillar, the outer light hole of the modulator correspondingly connecting with a uniform light rod of horizon position with the same axis as the firing axis, and the light output connecting with the fiber for transmitting the optical beam by the fixture, the other end of the fiber connecting with the fiber connector block. The device can not only generate high-brightness strong light source, but modulation light output stable, and it can make the light source lamp issuing the high brightness light to effectively and uniform transmit, and passing the uniform light rod and optical fiber transmission, it can effectively avoid the issued beam carrying dark spots due to the imaging of filament on the issued axis, and thus, obtain the uniform light transmission effect with no beam spot and light beam uniform.

The invention discloses a novel railway multifunctional operating vehicle. The novel railway multifunctional operating vehicle comprises a locomotive and a pantograph, a wire wiping device, a rotary lifting platform and a hopper for work high above the ground which are installed in the axial length direction of the top face of the locomotive in sequence. The wire wiping device comprises a guide rail assembly, a base assembly, a boom assembly and a wire wiping device. The rotary lifting platform comprises a number one swing mechanism, a number one swing rotary table, an arm body assembly, a number two swing mechanism, a number two swing rotary table and a working platform which are connected in sequence and a bracket. The hopper for work high above the ground comprises a first swing mechanism, a first rotating table, a second swing mechanism, a telescopic arm assembly, a leveling mechanism, a third swing mechanism and a working hopper which are connected in sequence and a supporting base. The novel railway multifunctional operating vehicle is compact in structure, convenient to assemble and disassemble, easy to manufacture, safe, reliable and strong in practicability; working content is comprehensive, the occupied space for installing is small, the working efficiency is high, the working range is wide and cross-line working and multiple synchronous working can be realized.

The invention provides a mounting and lifting method for a movable formwork for bridge construction and relates to the technical field of highway and railway bridge construction. The method aims at the movable formwork for conducting bridge construction. The movable formwork comprises rear main supporting legs, rear guiding beams, main beams, front guiding beams, front main supporting legs, main beam head connecting sections, main beam tail connecting sections, hung external ribs, an external formwork system and an internal formwork system. Stabilizing supporting rods are fixedly mounted at the front ends and the rear ends of the main beams correspondingly. The mounting and lifting method for the movable formwork for bridge construction comprises the following steps that 1, the movable formwork is spliced on ground and prepares to be lifted; 2, the rear guiding beams are jacked and pushed in place; 3, the front guiding beams are jacked and pushed in place; and 4, main beam butt joint is conducted, the formwork is arranged in place, and casting for beam manufacturing is prepared. The mounting and lifting method is suitable for mounting and constructing of the highway-and-railway co-built-section high-pier and super-wide-pier movable formwork, the formwork can be mounted in place only through one-time lifting, the occupied site for lifting and mounting is small, and the problem that the construction site is limited is effectively solved.

The invention discloses a binocular vision-based automobile chassis data measuring system. The system comprises a hand-held module, a standard database, a plurality of calibration modules arranged in the undeformed area of a measured automobile chassis, and a plurality of measuring modules arranged in the area to be measured of the measured automobile chassis; a controller is connected with a display module, a tough control input module, a network module, an image acquisition module, a power supply management module, a signal controller 1 and a signal controller 2, and the hand-held module also comprises an industrial camera 1 and an industrial camera 2; the network module is also connected with the standard database; and the hand-held module also comprises a camera crossbeam, and the industrial camera 1 and the industrial camera 2 are respectively arranged at two ends of the camera crossbeam to form a binocular camera structure. The system has the advantages of detection cost reduction, measuring operation simplification, convenient transportation and movement, detection efficiency increase, reduction of requirements of environment lights, and realization of arbitrary-angle one shot shooting multiple-measuring point automatic measurement.

The invention relates to a light-guiding plane lighting lamp with an external power supply; an LED point light source is arranged on an aluminium electrode plate so as to form a lamp ring; the front end in the lamp ring is sheathed with a light-guiding plate; the front end of the light-guiding plate is sheathed with a ground glass sheet; the periphery of the lamp ring is sheathed with a radiator; and finally, the lamp ring is fixed on an installing seat. The light-guiding plane lighting lamp is an ultra-thin product, the thickness thereof is less than 2cm, the external power supply is adopted to be connected with the LED point light source arranged on the lamp ring, the point light source is converted into the light-guiding plane lighting lamp, therefore, the light-guiding plane lighting lamp increases the lighting area and illumination, has the advantages of reasonable structure, convenient installation, high energy-saving efficiency, strong illumination, long service life and small installation occupying space and is suitable for being used as various different lamps for indoor decoration and advertising lighting.

The invention discloses an examination heating device for a crank case breather pipe, a breather pipe, a ventilating system and an automobile. The device comprises a housing, wherein an air outlet pipe which communicates with a crank case, a conductor which is connected to a PVC valve, an air inlet pipe which communicates with a main air inlet pipe of an engine, and an ECU joint which is connectedto an automobile ECU are arranged on the housing; the conductor is electrically connected to the ECU joint; the air outlet pipe communicates with the air inlet pipe which is manufactured through a heat transferring material; an examination circuit and a heating circuit which are connected in parallel are arranged in the housing and are both electrically connected to the automobile ECU through theECU joint; and the heating circuit is connected to the air inlet pipe. The device is simple in structure, and convenient to use; the crank case breather pipe is prevented from being iced during working in a cold area; parts of an existing heating device are prevented from quick aging under high temperature in summer; and meanwhile, the whole-process OBD examination can be performed while the automobile is in running.

The invention discloses a communication-in-motion small-sized antenna dehumidifier comprising a shell body, a dehumidifying mechanism arranged in the shell body and an exhaust water pipe arranged on a bottom part of the shell body, wherein the dehumidifying mechanism comprises a condensation sheet, a refrigeration sheet and a heat dissipation sheet that are orderly connected with each other; a refrigeration surface of the refrigeration sheet adheres to a flat surface of the condensation sheet, a heating surface of the refrigeration sheet adheres to the heat dissipation sheet, and a fan is arranged on the heat dissipation sheet; the condensation sheet, the refrigeration sheet, the heat dissipation sheet and the fan are arranged in a width direction of the shell body in a parallel manner; the shell body is provided with an opening. The communication-in-motion small-sized antenna dehumidifier is simple in structure, reasonable in design, small in size, and low in cost; the communication-in-motion small-sized antenna dehumidifier is convenient to install; via arrangement of the dehumidifying mechanism, water vapor in humid air in an antenna housing can be turned into condensed water which can be discharged from the antenna housing, air in the antenna housing can be kept dry, that each component can work in a good environment can be ensured, and strong practicality is realized.

The invention provides a 35kV pouring type combined transformer, which comprises a pouring body, a current mutual inductor assembly and a voltage mutual inductor assembly, wherein the pouring body is provided with a current cavity used for containing the current mutual inductor assembly, and a voltage cavity used for containing the voltage mutual inductor assembly, the current cavity is positioned above the voltage cavity, and the current cavity and the voltage cavity are communicated through a linear cavity; the current mutual inductor assembly comprises a current iron core, a current primary coil and a current secondary coil, wherein the current primary coil and the current secondary coil are wound on the current iron core, and the current primary coil is connected with a connector bar through a connecting piece; and the voltage mutual inductor assembly comprises a voltage iron core, a voltage primary coil and a voltage secondary coil, wherein the voltage primary coil and the voltage secondary coil are wound on the voltage iron core, and the voltage primary coil is connected with the current primary coil through a high-tension cable which is arranged in the linear cavity. The combined transformer disclosed by the invention is suitable for an outdoor mutual inductor of 35kV and above, and has the advantages of small volume and high working stability.

The invention discloses a fault self-adaptive ground connecting processing system and method for a distribution network power grid. The distribution network power grid comprises a bus. The grounding processing system comprises a grounding transformer, a small resistor putting system, arc extinction complete equipment and a main control system, wherein the arc extinction complete equipment is connected with the bus through the grounding transformer, the small resistor putting system comprises a small resistor and a high-voltage contactor, one end of the small resistor is grounded, the other end of the small resistor is connected with the high-voltage contactor, the high-voltage contactor is connected with the grounding transformer, and the main control system is used for controlling the arc extinction complete equipment and the high-voltage contactor. The embodiment of the invention further discloses a fault self-adaptive ground connecting processing method for the distribution network power grid. By means of the fault self-adaptive ground connecting processing system and method for the distribution network power grid, instant grounding and permanent grounding faults can be intelligently distinguished, frequent trips caused by instant grounding faults are prevented, a circuit with permanent grounding faults can be isolated rapidly and accurately, and stable power supply of the power grid is guaranteed.

The invention discloses an illumination lamp with an air purifying function. The illumination lamp comprises a lamp frame, a light source plate, a catalyst metal net and a light guide plate. The lamp frame is provided with an air inflow opening and an air exhaust opening. The light source plate is arranged in the lamp frame and is at least provided with an LED illumination light source and an air purifying light source used for air purifying and sterilizing. The catalyst metal net is arranged below the air purifying light source. The light guide plate is arranged on the outer surface of the lamp frame. According to the illumination lamp with the air purifying function, the light source plate is provided with the LED illumination light source and the air purifying light source at the same time, the illumination lamp can purify air while conducting illumination, toxic and harmful gas in air is effectively degraded, various bacteria are killed, the air is purified, the indoor environment quality is improved, the illumination function and the purifying function can be combined on the same lamp, and occupied space for installation is reduced.

The invention provides a car body flexible positioning fixture mechanism used for aluminum alloy head cover laser welding of a lightweight car body. The car body flexible positioning fixture mechanismis provided with a flexible trolley and a high-speed roller bed, multiple sets of windmill plate flexible switching devices are symmetrically arranged on the left and on the right of the upper end ofthe flexible trolley, and locating pins and supporting blocks on the windmill plate flexible switching devices form location and support for the bottom end of the car body. A pair of lateral positioning locking mechanisms are symmetrically arranged on the left and on the right of the high-speed roller bed, single positioning locking mechanisms are arranged at the positions, corresponding to car body side body stand column laser welding areas, of a supporting frame of each lateral positioning locking mechanism, and side body outer plate positioning blocks and side body inner plate positioningblocks of the ingle positioning locking mechanisms are matched to form positioning and locking of a car body side body in the Y direction. A head cover fixture is disposed on a car body head cover, the two sides of the head cover fixture are locked through a pressing mechanism, and positioning and clamping of the car body head cover are realized. According to the car body flexible positioning fixture mechanism, the car body can be precisely positioned, the high requirements of laser welding for car body position precision are met, and meanwhile multiple-vehicle-model switching can be realized.

The invention relates to the technical field of rail transit, and discloses a dynamic calibration test bench of a force measurement wheel pair. The test bench comprises a loading system for carrying out loading on the force measurement wheel pair, a support system for supporting the force measurement wheel pair and the loading system, and a power system for allowing the force measurement wheel pair to be switched between a static calibration state and a dynamic calibration state. In the static calibration state, the power system can allow the force measurement wheel pair to rotate to any angle for loading. In the dynamic calibration state, the power system can allow the force measurement wheel pair to continue to rotate at a low speed for loading. According to the invention, switching of the force measurement wheel pair between a dynamic loading test and a scale division loading test is achieved; data calibrated under dynamic loading is well continuous; the final result analysis is quite precise; and scale division loading of the force measurement wheel pair in the static state is also kept.

The invention provides a protecting cover structure for machining equipment. The protecting cover structure comprises protection parts provided with handles, fixed supporting seats fixedly mounted at the top end of a machine frame, sliding blocks and protection part supporting blocks mounted on the machine frame, wherein the sliding blocks are hinged and connected to the fixed supporting seats; the protection parts and the sliding blocks are connected in a sliding manner through guide rails which are vertically mounted on the inner side of a framework of the protection parts; and when the protection parts are in a closed state, the lower ends of the protection parts and the protection part supporting are in clamping fit. The protecting cover structure is simple, and is conveniently operated by operating staff. When the protecting cover structure is mounted, under the condition that the equipment operates normally is ensured, the occupied space for mounting of the equipment can be effectively reduced, and the production cost of manufacturing and production enterprises is greatly reduced.

The present invention relates to a raw material feeder which measures and supplies fixed quantities of raw materials to various types of plastic molding machines, such as injectors and extruders. The present invention provides a smooth supply of raw material because a cutting knife with a V-shaped groove is placed in the rotor with a measuring cup, and a raw material transfer groove is formed in a portion where material accumulates so that the material on top of the measuring cup is cut and the rest is discharged through an outlet, thereby minimizing load and preventing transfer failure.

The invention, which belongs to the technical field of bearing measurement, relates to an automatic measuring instrument for an inner bearing bore, particularly to an apparatus for detecting an inner bearing bore rapidly. The automatic measuring instrument is composed of a bottom plate, a first side bracket, a second side bracket, a measuring mechanism, a bearing pushing mechanism, a switching mechanism and a feeding mechanism. The measuring mechanism consists of a measuring cylinder, a moving plate, a measuring head and a measuring claw; a driving end of the measuring cylinder is connected with the moving plate; the measuring head is connected with the driving end of the measuring cylinder; the measuring claw is connected with the front end of the measuring head; a measuring hole is formed in the first side bracket by corresponding to the position of the measuring head; and the measuring head can pass through the measuring hole. The switching mechanism is arranged at one side of the measuring mechanism side by side; the bearing pushing mechanism is arranged at the outer side surface of the first side bracket; and the feeding mechanism is arranged on the first side bracket. Therefore, a measuring error caused by the measuring apparatus is eliminated; the measurement efficiency is improved; the production task of the follow-up procedure is not affected; the measurement accuracy is enhanced; long-term uninterrupted measurement is realized; and the measurement error is controlled to be less than 0.5 micrometers.