47 results about "Transportation procedure" patented technology

The present invention relates to a carrier-added copper foil and a print substrate using such copper foil characterized in comprising a resin layer and a functional material layer at least on a part of the copper foil. A carrier-added copper foil and a print substrate using such copper foil are obtained by forming an insulating layer and functional material layer having an area smaller than the area of the copper foil on the surface of the carrier-added copper foil with the screen printing method, thereby improving the handling of such copper foil, preventing the adhesion of contaminants such as resin powder on the copper foil surface during the cutting procedure, preventing scratches and dimples caused by foreign matter, and effectively preventing the generation of scratches, wrinkles and creases during the cutting, packaging and transportation procedures.

The invention relates to an electronic goods tag on the basis of the mobile internet and an application method for the electronic goods tag. The electronic goods tag on the basis of the mobile internet is characterized in that an RFID (radiofrequency identification) module, a mobile internet communication functional module, a positioning functional module, an information storage functional module, a rechargeable power source, an integrated circuit of a data processing functional module [cpu (central processing unit)] and a wireless charging module are arranged in the electronic goods tag, and a waterproof and impact-resistant shell covers the outside of the electronic goods tag. The application method includes steps of receiving goods; transporting the goods within a region; sorting the goods; transporting the goods across regions; sorting the goods in destinations; transporting the goods within the regions of the destinations; and enabling deliverymen to hand over the goods and enabling consignees to take over the goods so as to complete an integral goods transportation procedure. The electronic goods tag and the application method have the advantages that the electronic goods tag is provided with the communication module and has radiofrequency information communication and mobile internet communication functions, the goods are tracked and controlled in real time via a control center in an integral goods transportation process, paperless operation is implemented in the process, and accordingly operational requirements on speediness, high efficiency and low cost are met.

The invention discloses a packing box which comprises partition plates. Each partition plate comprises an upper membrane, a lower membrane and a frame, and each upper membrane and the corresponding lower membrane are fixed onto the corresponding frame and are separated from each other by a preset distance. The packing box has the advantages that packed fruits are clamped by the partition plates in up-down directions when packed, or can be directly clamped by the upper membranes and the lower membranes of the partition plates; each fruit is packed by the two corresponding membranes, and the upper membranes and the lower membranes have certain elasticity and tension and can elastically deform, so that the fruits can be fixed, and the fruits on the same layer can be prevented from being collided with one another; the partition plates are separated from one another by set distances, and the upper membranes and the lower membranes are separated from one another by the preset distances, so that a buffer region can be formed, and the fruits on upper and lower layers can be prevented from being collided with one another in transportation procedures.

A method of forming a bond pad structure reinforced with insulator spacers located on the sides of the bond pad structure has been developed. The method features formation of an aluminum based bond pad structure located overlying and contacting a top portion of a metal interconnect structure exposed in an opening in an intermetal dielectric layer. After deposition of an insulator layer such as silicon nitride or silicon oxide, an anisotropic dry etch procedure is employed to define the insulator spacers on the sides of the bond pad structure. The presence of insulator spacers on the sides of the bond pad structure reduces the risk of bond pad damage which can occur during subsequent pre-wire bonding dicing and transportation procedures.

The invention discloses an automatic lifting type rebar feeder and automatic lifting type rebar feeding process in a rebar machining assembly line. The rebar feeder comprises a rack, a material absorbing mechanism, a discharging mechanism, a material guide mechanism and a control device; the material absorbing mechanism, the discharging mechanism, the material guide mechanism and the control device are arranged on the rack; the material absorbing mechanism comprises a material absorbing air cylinder and a magnetic absorbing device; the discharging mechanism comprises a discharging air cylinder and a stainless steel discharging rod; and the material guide mechanism comprises a material guide roller, a material guide roller supporting frame and a material guide air cylinder. The process is carried out by the following steps in sequence: 1) setting an original state; 2) absorbing and lifting a material; 3) discharging and supporting the material; 4) dividing and feeding the material; 5) discharging the material; and 6) drawing a rebar to move. The rebar feeder provided by the invention has the beneficial effects of simple structure, high working efficiency, labor saving, cost reduction and convenience in maintenance. The rebar feeder provided by the invention is hinged on the lateral face of rebar machining equipment, and moves along with the rebar machining equipment, so that a transportation procedure can be eliminated, the space occupied by the former procedure can be saved, and the application range is wider.

The invention relates to a method for collecting, charging and discharging garbage and support equipment therefor, belonging to urban garbage treatment technology. In the invention, one-off treatment of the garbage is enough in the process of collecting and transporting urban garbage, garbage transfer stations or collection stations can be omitted, multiple garbage charging and discharging procedures can be omitted, the work of transporting garbage at different parts of the cities to the transfer stations or collection stations can be omitted, garbage collection and transportation procedures can be simplified, secondary pollution of the garbage can be avoided, environmental sanitation can be improved and sanitation ranking of the cities can be elevated. The support equipment for realizing the method comprises a dustpan bag, a self-discharging barrel, a crane trolley, a jib crane arranged at the top of the coach and an autodumper of a horizontal type compactor.

The invention discloses a bidirectional conveyer belt type conveyer. The conveyer comprises a tail part loading mechanism (1), a head part discharging mechanism (7), a head part belt-overturning device (5), a head part return stroke loading mechanism (4), a tail part return stroke discharging mechanism (3) and a tail part belt-overturning device (2) all arranged in the moving direction of a conveyer belt in sequence, and further comprises a tensioning device (6) of the conveyer belt, wherein after the tail part return stroke discharging mechanism (3) unloads material onto a lower track transportation procedure device, the conveyer belt passes through the space below the lower track transportation procedure device through a tail part return stroke discharging drum, a first turnabout drum (8) and a second turnabout drum (9), and then enters the tail part belt-overturning device (2); after being overturned by the tail part belt-overturning device (2), the conveyer belt is winded onto a tail part drum.

The invention provides a technique for producing a line pipe, which has the advantages of simple process, production rate and yield increases, production cost reduction, and low occurrence probability of quality defect such as surface scratching owing to simple process and less transportation procedures of steel pipes. The technique comprises steps as follows: heating, punching holes, cooling, rolling continuously, processing with an extracting mill, rolling with an expanding and reducing mill, and cooling. The process is characterized in that a pierced billet is placed in a bypath roller for cooling after being processed with the extracting mill and before being rolled with the expanding and reducing mill, and cooled; and the pierced billet slowly moves on the bypath roller way to radiate heat so as to be completely cooled in the air, thereby ensuring that the temperature of the pierced billet is reduced from 1,050 DEG C to 900 DEG C before being delivered for rolling with the expanding and reducing mill and a sizing mill.

The invention discloses use of polytetrafluoroethylene in crude oil extraction equipment, and specifically relates to use of polytetrafluoroethylene as an inner wall coating layer in crude oil transportation pipelines and storage tanks and can effectively solve practical problems such as easy corrosion and difficult cleaning of the inner walls of a used transportation pipeline and a container in petroleum extraction, transportation and heat exchange; the polytetrafluoroethylene is made as an inner wall coating layer; the anti-abrasion capacity and the anti-corrosion capacity of an integral crude oil extraction equipment can be improved; the friction resistance coefficient between the crude oil and the inner wall of a pipeline in a petroleum transportation procedure is reduced; the value of the friction coefficient is within 0.05-0.15; thus, the energy consumption of transportation equipment and the crude oil walling quantity are reduced; equipment is cleaned easily because of the non-stain feature of the polytetrafluoroethylene; therefore, the cleaning periods of the container and the pipeline can be prolonged; the use quantity of cleaning agent and water are saved greatly; the emission of sewage is reduced; and the cost of sewage treatment is reduced so as to achieve the effect of energy conservation and environment protection.

The invention relates to a preparation method of water-soluble palladium nitrate and belongs to the technical field of catalysis. By means of the method, Pd(NO3)2.nH2O can be prepared in batches, wherein the content of palladium in the Pd(NO3)2.nH2O crystal can reach 41%. The Pd(NO3)2.nH2O product is good in water solubility and an aqueous solution thereof is not less than eight hours. The reparation method is safe and reliable. The Pd(NO3)2.nH2O crystal product is stable in performances and is good in uniformity, and can satisfy a requirement of catalyst precursors. The preparation method changes a situation that the Pd(NO3)2.nH2O crystal in the prior art does not have water solubility and is difficult to use, can simplify transportation procedure and save transportation cost, reduces loss of palladium and acid, can reduce emission of waste gas and is easy to popularize.

The invention discloses a method for transplanting phoenix canariensis in southern China coastal areas. The method includes S1, carrying out pre-planting preparation on large trees, to be more specific, S101 determining the sizes of soil balls according to 2-3 times of diameters at breast heights when seedlings are about to be lifted and necessarily reinforcing the soil balls by the aid of reinforcement meshes to prevent the soil balls from being loosened, S102 binding tree leaves towards the growth directions of tree trunks by the aid of plastic ropes in the aspect of tree leaf processing andpreventing the tree leaves from being broken in transportation procedures; S2, preparing pre-planting underground spaces, to be more specific, S201 determining the excavation depths of tree pits according to the sizes of the soil balls, S202 determining the excavation depths, then excavating tree grooves, laying rubble layers with the thicknesses of 30-50 mm and then placing DN110 permeable pipesin the middles of the rubble layers. Requirements need to be met by the determined sizes of the soil balls for the phoenix canariensis, but the soil balls cannot be excessively large to increase thetransportation difficulty. The excavation depths and the widths of the tree pits are larger than the sizes of the soil balls by 400-500 mm. The method has the advantages that the air permeability canbe effectively guaranteed for the roots of the phoenix canariensis, requirements on necessary elements for growth of the phoenix canariensis can be met, important effects can be realized for the survival rate of the phoenix canariensis, and the phoenix canariensis transplanted by the aid of the method has a zero post-typhoon lodging rate.

The invention discloses a method for loading ultra-long steel into railway platform trolleys. The method is characterized by sequentially comprising steps of bundling the steel; laying base layers; loading the first-layer steel in the railway platform trolleys; loading the second-layer steel in the railway platform trolleys; integrally reinforcing the steel. Two ends of the steel are bound and reinforced by the aid of special fixtures. The method has the advantages that the ultra-long steel is transversely and longitudinally simultaneously reinforced, the projection of the overall gravity center of the ultra-long steel keep being positioned on an intersection of the longitudinal and transverse center lines of each railway platform trolley, accordingly, the integral stability of the ultra-long steel can be guaranteed, the ultra-long steel can endure normal shunting operation and effects of different types of force generated during train running, shifting, tipping or falling and the like can be prevented in transportation procedures, the stability of the loaded railway platform trolleys in driving procedures can be guaranteed, and the transportation safety can be guaranteed; the logistics cost can be reduced to a great extent as compared with automobile transportation.

The invention discloses a split-type weighing electronic scale, comprising: a scale body and a display connected to the scale body, the display and the scale body are separated, an induction module is arranged inside the scale body, and an There is a receiving module, the output end of the sensing module is connected to the input end of the receiving module, and the sensing connection is realized between the display and the scale body through the sensing module and the receiving module. The scale body includes a bracket, an outer shell connected to the bracket, and a The weighing pan in the center of the outer casing, the weighing pan and the outer casing are detachably installed, and the display includes an LED display screen and menu setting buttons installed around the LED display screen. Through the above method, the display part and the scale body part of the split-type weighing electronic scale of the present invention can be used separately, which is convenient to carry, can avoid damage to the scale body and display during transportation, and prolong the service life of the electronic scale.

The invention provides a linear compressor which comprises a first component and a second component. The first component is fixed to a shell, the second component is fixedly connected to a compressor body by a rigid oil guide pipe, the first component and the second component are matched with each other to form an oil pump, the axial direction of the oil pump is parallel to the axial direction of the compressor, an the rigid oil guide pipe comprises a stress buffer portion. The linear compressor has the advantages that stress which is borne by the rigid oil guide pipe during movement or in linear compressor transportation procedures can be buffered by the stress buffer portion, and accordingly the rigid oil guide pipe can be prevented from being broken off; vibration reduction effects further can be realized, vibration unbalance of the compressor body can be prevented from being transmitted onto the shell via the rigid oil guide pipe, and accordingly the linear compressor is favorable for lowering noise.

The invention discloses an automatic lifting type rebar feeder and automatic lifting type rebar feeding process in a rebar machining assembly line. The rebar feeder comprises a rack, a material absorbing mechanism, a discharging mechanism, a material guide mechanism and a control device; the material absorbing mechanism, the discharging mechanism, the material guide mechanism and the control device are arranged on the rack; the material absorbing mechanism comprises a material absorbing air cylinder and a magnetic absorbing device; the discharging mechanism comprises a discharging air cylinder and a stainless steel discharging rod; and the material guide mechanism comprises a material guide roller, a material guide roller supporting frame and a material guide air cylinder. The process is carried out by the following steps in sequence: 1) setting an original state; 2) absorbing and lifting a material; 3) discharging and supporting the material; 4) dividing and feeding the material; 5) discharging the material; and 6) drawing a rebar to move. The rebar feeder provided by the invention has the beneficial effects of simple structure, high working efficiency, labor saving, cost reduction and convenience in maintenance. The rebar feeder provided by the invention is hinged on the lateral face of rebar machining equipment, and moves along with the rebar machining equipment, so that a transportation procedure can be eliminated, the space occupied by the former procedure can be saved, and the application range is wider.

The present invention discloses a food quick-freezing automated production line which includes a double spiral quick-freezing plant, an ice wrapping device and a low temperature preserving device; transmission mesh belts are arranged on both the working tables of the ice wrapping device and the low temperature preserving device and drive the quick-frozen food to be automatically transferred to the next procedure; the overall shape of the ice wrapping device is a sailing boat type and the ice wrapping device includes a stirring section, an ice wrapping section and a transmission section that are connected successively in the direction from the double spiral quick-freezing plant to the low temperature preserving device. The stirring section and the transmission section form an upwardly inclined angle with the ice wrapping section respectively; at the same time, the top position of the stirring section is located just below the outlet of the double spiral quick-freezing plant and the top position of the transmission section is located above the low temperature preserving device. The automated production line eliminates the manual transportation procedure of quick-frozen food, reduces the production procedure of quick-frozen food processes, maintains the original shape and appearance of food, and improves the product quality and production efficiency.

The invention discloses a liftable power generator assembly which comprises body equipment and a framework assembly. The framework assembly is used for mounting the body equipment; the framework assembly comprises traveling wheel subassemblies and a bottom plate, and the bottom plate is used for mounting the body equipment and is supported on the traveling wheel subassemblies via lifting mechanisms. The liftable power generator assembly has the advantages that the bottom plate for mounting the body equipment is of a liftable structure and can ascend and descend according to traveling and service requirements, the liftable power generator assembly is good in through capacity in transportation procedures, the ground clearance of a framework can be enlarged, accordingly, the ground clearance of the body equipment can be guaranteed, and collision damage can be prevented in traveling procedures.

The utility model discloses a bi-articulated safety pin mechanism for a power catwalk machine transmission rack, which mainly comprises a safety pin, an upper connecting block, a transmission rod, a lower connecting block, a base lifting pin, a tension spring, a pin shaft, an upper cylinder sleeve, a lower cylinder sleeve and the like. When the transmission rack is on the ground, since the base lifting pin under the bi-articulated safety pin mechanism is pressed, the safety pin is collected into the working surface of the transmission rack so as to allow a tubular column to be transversely sent into and sent out of the V-shaped slot of the transmission rack conveniently, and when the transmission rack leaves the ground, the safety pin is popped out under the effect of the spring, so as to play the effect of preventing the tubular column from rolling out of the transmission rack transversely during a transporting process. The bi-articulated safety pin mechanism provided by the invention is mainly used for ensuring transport safety of the tubular column for petroleum drilling, the entire structure of the mechanism is simple and reliable, the manufacturing cost is low, safety and reliability are high, tubular column transportation procedures are simplified, and the safety and the efficiency of tubular column transport are improved.

The invention discloses a non-tearing logistics label without backing paper. The non-tearing logistics label comprises a surface layer, a fixing layer and a middle layer. The surface layer, the fixing layer and the middle layer are sequentially overlaid on one another from top to bottom; the lower surface of the surface layer is connected with the upper surface of the fixing layer; the lower surface of the fixing layer is connected with the upper surface of the middle layer; the lower surface of the middle layer is connected with the upper surface of a non-setting adhesive layer; the lower surface of the non-setting adhesive layer is connected with the upper surface of backing paper. The non-tearing logistics label without the backing paper has the advantages that a non-tearing region can be assuredly remained even if a tearing region falls off and is lost in transportation procedures, accordingly, the problem that ultimate mails become undeliverable mails and cannot be delivered due to loss of delivery information can be solved, the non-tearing logistics label is applicable to the express delivery logistics industry, information of mails can be guaranteed against being lost, and the safety can be improved; silicon is coated on the surface of the logistics label to form a silicon oil layer, and then a backing paper layer can be omitted, so that the cost and pollution can be reduced.

The invention discloses a tea packaging tin which comprises a tin body. The tin body is used for accommodating tea, a sealing cover which can seal the tin body is arranged on the top of the tin body, a partition plate is arranged on the lower portion of the tin body, the tin body is divided into a tea accommodating cavity and a drying agent bag accommodating cavity by the partition plate, air holes are formed in the partition plate, the tea is placed in the tea accommodating cavity, and drying agent bags are placed in the drying agent bag accommodating cavity. The tea packaging tin with the structure has the advantages that the partition plate with the air holes is arranged on the lower portion of the tin body, the tin body is divided into the tea accommodating cavity and the drying agent bag accommodating cavity by the partition plate, accordingly, the tea and the drying agent bags can be placed separately, the problem of contamination to tea due to the fact that the tea and drying agent bags are packaged in the traditional packaging tin in a mixed manner is solved, the physical health of tea consumers is guaranteed, crushing of the tea due to rubbing and collision of the tea and the drying agent bags in a transportation procedure is prevented, the quality of the tea is guaranteed, and the tea packaging tin is simple in structure and is convenient and practical.

An embodiment of the invention discloses a fruit and vegetable transportation monitoring system. The fruit and vegetable transportation monitoring system has the advantages that a temperature sensor is mounted on a compartment for transporting fruits and vegetables, so that internal temperature values of the compartment can be acquired; the temperature values can be transmitted to a data processing module by a communication module; the temperature values can be analyzed and processed by the data processing module, an alarm can be triggered to carry out alarm prompting when the temperature values exceed preset temperature threshold ranges, in other words, the temperature values do not conform to transportation condition requirements, accordingly, fruit and vegetable transportation procedures can be intelligently monitored, staffs can timely discover problems and adopt relevant processing measures, and loss generated when the fruits and vegetables are transported can be reduced; the received temperature values can be stored in databases by the data processing module, and data support can be provided by the temperature values stored in the databases when transaction dispute occurs between transportation parties and receiving parties due to fruit and vegetable transportation quality.

The invention relates to a preparation method of water-soluble palladium nitrate and belongs to the technical field of catalysis. By means of the method, Pd(NO3)2.nH2O can be prepared in batches, wherein the content of palladium in the Pd(NO3)2.nH2O crystal can reach 41%. The Pd(NO3)2.nH2O product is good in water solubility and an aqueous solution thereof is not less than eight hours. The reparation method is safe and reliable. The Pd(NO3)2.nH2O crystal product is stable in performances and is good in uniformity, and can satisfy a requirement of catalyst precursors. The preparation method changes a situation that the Pd(NO3)2.nH2O crystal in the prior art does not have water solubility and is difficult to use, can simplify transportation procedure and save transportation cost, reduces loss of palladium and acid, can reduce emission of waste gas and is easy to popularize.

Disclosed is a multichannel positive pressure solid phase micro-extraction device. The device includes a micro motor, a mechanical transmission device, glass cylinders, pistons I, needle type small chromatography columns, and pistons II. The output shaft of the micro motor with adjustable rotating speed is connected to a gear I. The gear I is connected to a gear II and a gear III. The gear II is connected to a power shaft through a connecting rod I. The gear III is connected to the power shaft through a connecting rod II. The power shaft is arranged in a slideway. Push rods I on the power shaft are connected to push rods II on the pistons I. The pistons I are arranged in the glass cylinders. The glass cylinders communicate with the needle type small chromatography columns through branch pipes I. The glass cylinders communicate with sample bottles through branch pipes II. The device of the invention adopts the reusable needle type small chromatography columns, filling materials can be freely selected and filled in a laboratory according to the experiment requirements, and the transportation procedure does not affect the enrichment efficiency of the device. Therefore, the efficiencyof field work is improved, and the cost is saved.

The invention relates to a method for preparing high-corrosion- resistant hot spray coatings for magnesium alloy surfaces. The method has the advantages that the method mainly aims to meet application requirements of lightweight designs of spacecrafts on magnesium alloy, and corrosion protection requirements on the magnesium alloy in ground test, storage and transportation procedures and the like can be met; the metal protective coatings are sprayed, prepared and formed on the surfaces of magnesium alloy materials by the aid of electric arc wire hot spraying processes and then are subjected to after-treatment and hot treatment, and accordingly the corrosion protection capacity of the coatings can be effectively enhanced.

The invention discloses a method for loading ultra-long steel into railway platform trolleys. The method is characterized by sequentially comprising steps of bundling the steel; laying base layers; loading the first-layer steel in the railway platform trolleys; loading the second-layer steel in the railway platform trolleys; integrally reinforcing the steel. Two ends of the steel are bound and reinforced by the aid of special fixtures. The method has the advantages that the ultra-long steel is transversely and longitudinally simultaneously reinforced, the projection of the overall gravity center of the ultra-long steel keep being positioned on an intersection of the longitudinal and transverse center lines of each railway platform trolley, accordingly, the integral stability of the ultra-long steel can be guaranteed, the ultra-long steel can endure normal shunting operation and effects of different types of force generated during train running, shifting, tipping or falling and the like can be prevented in transportation procedures, the stability of the loaded railway platform trolleys in driving procedures can be guaranteed, and the transportation safety can be guaranteed; the logistics cost can be reduced to a great extent as compared with automobile transportation.

The invention discloses an electric feeding machine which comprises a synchronizing shaft, a clamping lock, guide rail wheels, driving chain wheels, a flange, chains, a driving device, a main frame, a lifting trolley and guide rails, wherein the main frame is connected with the flange; the synchronizing shaft is supported on the flange; the synchronizing shaft and the driving device are in key connection with the two driving chain wheels on the outer sides of two side frames; a guide chain wheel IV and a guide chain wheel I are further mounted on the outer sides of the two side frames; the guide rail wheel and the clamping lock are mounted on the lifting trolley; the guide rail wheels are assembled in the guide rails; the chains are arranged on two sides of the main frame and are connected with the lifting trolley; a cart is directly lifted by the lifting trolley; and material in a cart hopper is lifted to certain height and dumped to a designated position without a working procedure of traditional material dumping manually or setting up a cart ramp, the transportation procedure is simple, manpower is saved, the efficiency is high, movement is convenient, and feeding construction of building secondary constructional column pouring can be carried out in a narrow floor.

The invention discloses a pneumatic control valve for an anesthetic evaporator. The pneumatic control valve comprises a valve seat and a valve plate. The valve plate is in contact with the valve seat and can rotate relative to the valve seat, the valve seat is provided with a gas inlet, a gas outlet and a gas channel, the gas channel is arranged inside the valve seat, at least a first gas hole and a second gas hole are formed in the valve seat, gas can flow into an evaporation chamber via the first gas hole, gas can be exhausted from the evaporation chamber via the second gas hole, and a first plugging portion and a second plugging portion which respectively correspond to the first gas hole and the second gas hole are arranged on the valve plate. The pneumatic control valve has the advantages that the valve plate can rotate, so that the first gas hole and the second gas hole can be plugged by the first plugging portion and the second blocking portion respectively, the anesthetic evaporator is positioned at a transportation station, all gas holes which are communicated with the evaporation chamber are plugged, and the problem of leakage of anesthetics in transportation procedures can be effectively solved; a third gas hole is further formed in the valve plate, an atmosphere communicating portion which corresponds to the third gas hole is arranged on the valve plate, and the valve plate can rotate, so that the atmosphere communicating portion can be communicated with the third gas hole, and the internal evaporation pressure of the evaporation chamber can be effectively relieved when the anesthetic evaporator is positioned at a non-working station.

The invention discloses a casting process, in particular relates to a method for assembling and setting a core, comprising the following steps of: (1) preparing the core: producing scattered mud cores according to the requirement of castings; (2) transporting: placing the scattered mud cores on a transportation braced chain and transporting the scattered mud cores beside a clamp for automaticallyassembling and setting the core; and (3) assembling and setting the core: placing the scattered mud cores in the clamp for automatically assembling and setting the core and automatically assembling to be automatically assembled and placing the entire cores in a die cavity by the clamp for automatically assembling and setting the core. By using the invention, the core assembling procedures before the transportation procedure are integrated to a core setting procedure and the core assembly can be avoided after producing the core; and the core assembling and setting can be automatically finishedby only transporting the small scattered cores beside a modeling line and feeding the small scattered cores in a core setting mould, thereby improving the production efficiency and reducing the cost for storing, transporting and transferring the mud cores.

The invention discloses a liftable wheeled support with an automatic brake function. The liftable wheeled support comprises body equipment and a framework assembly. The framework assembly is used for mounting the body equipment; the framework assembly comprises traveling wheel subassemblies and a bottom plate, and the bottom plate is used for mounting the body equipment and is supported on the traveling wheel subassemblies via lifting mechanisms; brake plates are mounted on a framework and face the radial outer edges of traveling rotating components of the traveling wheel subassemblies from top to bottom, and the rotating components can be braked by the brake plates when the bottom plate is positioned at low points. The liftable wheeled support has the advantages that the bottom plate for mounting the body equipment is of a liftable structure, brake or release effects can be automatically realized along with actions of the liftable structure, the bottom plate can ascend and descend according to traveling and service requirements and works when descending to the lowermost points, brake effects can be realized by the brake plate by the aid of descending of the bottom plate, accordingly, the liftable wheeled support is simple and compact in structure and high in practicality, and independent brake structures can be omitted; the liftable wheeled support is good in through capacity in transportation procedures, ground clearance of the framework can be enlarged, accordingly, the ground altitude of the body equipment can be guaranteed, and collision damage in traveling procedures can be prevented.

The invention discloses a fixing frame for electronic expansion valves. The fixing frame is a transportation and storage auxiliary tool, and the problem of deviation of valve spools in electronic expansion valve transportation procedures can be solved by the aid of the fixing frame. The technical scheme mainly includes that the fixing frame comprises a body; positioning structures which are used for simultaneously fixing the two electronic expansion valves are arranged on the body. The fixing frame has the advantages that valve bodies of the two electronic expansion valves can be oppositely fixed into the positioning structures, and accordingly the fixing frame can be used for fixing and storing the electronic expansion valves during transportation.