88results about How to "Avoid bump damage" patented technology

The invention belongs to the technical field of automatic vending equipment, and discloses an ascending and descending conveying type automatic vending machine. The ascending and descending conveyingtype automatic vending machine comprises a cabinet body, a cabinet door, a cargo taking device, a cargo discharging device, an ascending and descending conveying device, an operation display module and a refrigeration device, wherein the cabinet body is a support foundation of the automatic vending machine; the cabinet door is hinged to the cabinet body; the cargo discharging device is arranged atthe inner upper part of the cabinet body; different layers can be set according to the cargo selling quantity; the ascending and descending conveying device is positioned in front of the cargo discharging device; commodities pushed out by the cargo discharging device are conveyed to the cargo taking device; the cargo taking device is positioned under the carbon door; a customer completes the cargo taking through the cargo taking device; the operation display module is positioned at the right half part of the cabinet body and is used for completing the man-machine interaction and controlling the cargo discharging; the refrigeration device is positioned at the lower half part in the cabinet body and is used for keeping commodities in the automatic vending machine fresh. The ascending and descending conveying type automatic vending machine provided by the invention has the advantages that the cargo discharging is accurate and stable; the cargo taking is convenient; the installation is simple.

The invention discloses a simple steel frame plywood formwork, which comprises borders and a panel fixedly connected with the frame, and is characterized in that the border is steel border, and the panel is a plywood panel; the top and the bottom of the outer side of the plywood panel are respectively connected with transverse ribs between the two borders, and a vertical rib is arranged between the top and the bottom of the outer side of the plywood panel positioned on a border; and preformed holes are arranged on the steel borders, and split bolt holes are arranged on the plywood panel. The invention also discloses an assembling method of the formwork. The formwork of the invention has light weight, high strength and convenient disassembly.

The invention discloses a portable high vegetable and fruit picking device. The front outer surface of a waist skirt plate is provided with a picking rod, and the rod body close to the lower end of the picking rod is provided with a sliding sleeve in a sleeve mode; a connecting rod is arranged between the sliding sleeve and the waist skirt plate; the upper end of the picking rod is provided with aY-shaped fork rod, the fork end of the Y-shaped fork rod is provided with a balance weight, the lower end surface of the balance weight is provided with a sawing motor, and the power output shaft atthe lower end of the sawing motor is provided with a sawing disc; a bearing hoop is arranged under the sawing disc; the lower portion of the front outer surface of the waist skirt plate is provided with a vegetable and fruit basket, the mouth of the vegetable and fruit basket is connected with the bearing hoop through an elastic bearing string bag. According to the portable high vegetable and fruit picking device, the waist skirt plate can conveniently fix the portable high vegetable and fruit picking device onto the body of a user, the connecting rod and the sliding sleeve can conveniently adjust the height and angle of the picking rod, the balance weight and the sawing disc can conveniently cut off branches of vegetable and fruit plants, and the elastic bearing string bag can conveniently collect vegetables and fruits to avoid damage caused by bumping.

The invention includes an engine oil collector, an engine oil pump, an engine oil filter, a cylinder, a cylinder head, an oil sump and a frame. A main oil passage, an auxiliary oil passage connected with the oil filter, an oblique oil passage and a vertical oil passage are disposed in the cylinder. An oil passage, an oil sump oil passage and a frame oil passage are disposed in the oil sump and the frame mechanism separately. The run of the basic oil passage is: the oil collector to the oil pump to the frame oil passage to the auxiliary oil passage to the oil filter to the main oil passage to the oblique passage to the vertical passage.

The invention discloses an intelligent transfer robot applicable to different volumes of products. The intelligent transfer robot is characterized by comprising an anti-collision walking base and a direction adjusting mechanism hinged and fixed to the circumferential side of the top end of the anti-collision walking base, a lifting air cylinder is hinged and fixed to the middle of the top end of the anti-collision walking base, a bearing base is hinged and fixed to the power output end of the lifting air cylinder, and a plurality of clamping and fixing mechanisms are installed and fixed to thebearing base at equal angles. Since the anti-collision walking base is arranged, when the robot encounters an obstacle in the walking process, buffering is achieved through a plurality of limiting pressure springs on a limiting buffer block, forward impulsive force of the robot is reduced, the problem that the robot is violently vibrated due to hitting against an obstacle, the products on the robot are vibrated, and parts in a product are damaged is avoided, meanwhile, since a plurality of buffer mechanism are arranged on the circumferential side of the anti-collision walking base, the robotcan achieve the buffering damping effect no matter in which direction on the circumferential side the robot hits against an obstacle, and circumferential side all-directional protection is achieved.

The invention discloses a teaching platform capable of storing a multimedia conference display screen. The teaching platform includes a teaching desk, a first rectangular groove formed vertically is formed in the side end of the teaching desk, a second rectangular groove is formed in the upper end of the first rectangular groove, a first straight line electric cylinder and a second straight line electric cylinder are fixed to the side end of the teaching desk, a rectangular block is arranged at the side end of a second electric cylinder sliding block, and the display screen is fixed to the upper end of the rectangular block. According to the teaching platform, after the display screen is used, the second straight line electric cylinder is driven, thus the rectangular block is moved downwards to drive the display screen to move and store the display screen inside the first rectangular groove, automatic operation is achieved during storage, and the phenomenon of the knocking damage due to use of manual operation is avoided; and meanwhile, by driving the first straight line electric cylinder, the display screen connected to the rectangular block can be driven to slide upwards in the direction of a first penetration groove, students or other spectators under the desk watch conveniently, when the watching dead angle appears under the desk, the display angle of the display screen can be adjusted by rotating a limiting rod, and watching is convenient.

The invention provides an anti-falling noctilucent portable printer capable of containing a mobile phone. The upper surface of a shell is provided with a mobile phone support and a containing groove used for containing the mobile phone support; the bottom of the mobile phone support is movably connected with the left side face of the containing groove through a pin shaft; and an angle bead is pasted to each edge of the shell, and the surface of the shell is sprayed with a noctilucent coating. The problems that an existing printer cannot contain the mobile phone, is prone to colliding and damage and is difficult to find after being lost are solved. When a user needs to transmit data through the mobile phone and the portable printer by means of Bluetooth, the mobile phone support can be rotated anticlockwises through a pin shaft, and a supporting rod in the containing groove will accordingly slide to the appropriate supporting position in a movable sliding groove of the mobile phone support while the mobile phone support is lifted, operation is simple, and the practicability is high. The design of the angle beads has the effect of protecting the edges of the shell, and equipment is prevented from being collided and damaged. The noctilucent coating can guarantee that when the printer is lost at a position with insufficient light, the user can rapidly find the printer, and the user-friendly degree of the design is increased.

The invention relates to a spring supporting rod which comprises a spring barrel. The spring barrel comprises a barrel body with the axis extending in the front-and-back direction. A supporting rod body is assembled on the spring barrel in a guide movement manner in the front-and-back direction. A supporting rod limiting structure used for being in limiting fit with the supporting rod body so as to limit the forward movement limit of the supporting rod body is arranged on the barrel body. A supporting spring applying forward acting force to the supporting rod body is arranged between the supporting rod body and the spring barrel. The supporting spring is located in the barrel body. A spring barrel connecting structure used for connecting the spring barrel to a first component is arranged on the spring barrel. A supporting rod connecting structure used for connecting the supporting rod body to a second component is arranged on the supporting rod body. The spring supporting rod solves the problem that in the prior art, a sealing ring of an air spring supporting rod is prone to being influenced by the environment to fail.

The invention relates to a transport device for a fabricated wall. The transport device for the fabricated wall comprises corner wrapping structures which are arranged corresponding to the four corners of the fabricated wall and elastic pulling pieces, wherein flexible layers are arranged on the surfaces where the corner wrapping structures are in contact with the fabricated wall; and the elasticpulling pieces are connected with every two adjacent corner wrapping structures in a pulling mode, and the elastic pulling pieces exert pulling force to the every two adjacent corner wrapping structures to enable the every two adjacent corner wrapping structures to close to each other to enable the four corner wrapping structures to be fastened to the fabricated wall. According to the transport device, the corner wrapping structures are used for covering the corners of the fabricated wall, the flexible layers which are arranged on the corner wrapping structures can play a good protective roleand effectively protect the four corners of the fabricated wall, the corners of the fabricated wall are the most easily damaged part in transport, it is guaranteed that the fabricated wall is in goodcondition during transport, and collision damage is avoided. The four corner wrapping structures can be stably, firmly and tightly arranged on the fabricated wall in a sleeved mode by the elastic pulling pieces.

The present invention relates to the field of medical devices and particularly to a hospital disinfection device. The hospital disinfection device comprises a classification disinfection cylinder, a sealing upper end cover, a central disinfection driver, a tube disinfection driver, a endoscope disinfection driver and an irregular-shaped clamping disinfection driver, the sealing upper end cover ishermetically attached to an upper end of the classification disinfection cylinder and fixedly connected to upper ends of the central disinfection driver, tube disinfection driver, endoscope disinfection driver and irregular clamping disinfection driver. Beneficial effects are as follows: scissors, tubes, endoscopes and irregular-shaped medical devices are classified and fixedly placed for disinfection; different devices are combined and different methods are selected, so that the disinfection methods can be conducted on different devices at the same time and disinfection efficiency is improved; and each medical device is prevented from collision damage during the disinfection process and each device is protected.

The invention discloses a high-frequency electric knife pen. The high-frequency electric knife pen comprises a knife handle, a knife head, a knife head pushing button, a knife head control switch and a connecting cable. The knife handle is of a hollow structure, the knife head is arranged at one end in a knife handle cavity, the other end of the knife head is connected with the connecting cable, the connecting able is led out of the other end of the knife handle and connected with a power plug; the knife head control switch is arranged on the outer wall of the knife handle; the knife head pushing button is arranged at the back end of the knife head, and a knife-head-pushing-button sliding groove is formed in the knife handle. According to the high-frequency electric knife pen, the knife head extends out of the knife handle to use when an operation is required, the knife head can be retracted in the knife handle in the non-operation state, and fault injuries and hidden danger when the knife head is exposed are avoided; a spare knife head can start to be used when an accident of a common knife head appears, and it is avoided that as the knife pen is temporarily replaced, the operation time is prolonged, and pains of patients are increased.

The invention discloses a rainproof and sunshield multifunctional two-wheeled vehicle mobile phone holder which comprises a holder fixing device, a mobile phone fixing box and an adjustable supportingpiece, wherein the holder fixing device can be fixedly arranged at the front part position of a two-wheeled vehicle; the adjustable supporting piece is movably connected between the holder fixing device and the mobile phone fixing box; the mobile phone fixing box comprises a back plate, a rain and sun shield and a mobile phone clamping device, wherein the back plate is used for supporting a mobile phone; the rain and sun shield is arranged on the side of the back plate and used for blocking wind, rain and sun for the mobile phone; the mobile phone clamping device is used for fixing the mobilephone in the mobile phone fixing box. The rainproof and sunshield multifunctional two-wheeled vehicle mobile phone holder has the advantages of being good in anti-seismic property and capable of preventing rain, sun and wind, and the like, and is especially applicable to two-wheeled vehicles.

The invention discloses an automatic billet-taking device and a billet-taking method for a magnetic material hydraulic press, and belongs to the technical field of magnetic material production equipment. It includes a controller for controlling the entire equipment, a blank take-off machine arranged on the discharge side of the hydraulic press, and a blank take-off robot arranged on any side of the blank take-off machine, the blank take-off robot and the blank take-off machine are respectively It is electrically connected with the controller, and the blank taking robot sequentially takes away at least one layer of magnetically formed blanks coded on the blank taking machine. The present invention adopts the robot with small size and small footprint, which can better meet the needs of intelligent production for some enterprises with relatively narrow sites, and is suitable for the large-scale production of enterprises; Take away at least one layer of magnetically formed blanks stacked on the blank taker, and place the blanks neatly on the pallet. The magnetically formed blanks are not easy to be damaged, and the production pass rate of blanks is high, which reduces manual blanking and effectively improves work efficiency.

The invention discloses a minitype workpiece discharging device which comprises a discharging box and a discharging plate, wherein the outer side and the bottom of the discharging box are in sealed connection through an enclosing plate; the upper end of the discharging box is open; the plate surface at the lower end of the discharging plate is hinged to the box body at the upper end of the discharging box; a plurality of discharging rollers are mounted on the discharging plate; a discharging buffer plate is arranged in the discharging box; the plate surface at one end of the discharging buffer plate is connected onto the box body on the inner side of the discharging box; a torsion spring is mounted at the connecting end of the discharging buffer plate and the discharging box; magnet sucking discs are arranged on the box body at the back end of the discharging box. Through the adoption of the manner, minitype workpieces processed by a machine tool can be automatically discharged and treated, the discharging buffer plate in the discharging box can conduct supporting, blocking and buffering on the discharged workpieces, the condition that the discharged workpieces is collided to be damaged due to too large impact force is avoided, and the fixing manner of the discharging box and the machine tool is simple and convenient.

The invention relates to a process for manufacturing a handicraft picture with border display lines, which is capable of displaying a cloisonne enamel effect. The process comprises the following steps: (1) manufacturing a base layer; (2) manufacturing a picture substrate; (3) putting the picture substrate on the upper surface of the base layer so as to manufacture a spot-like layer; (4) filling corresponding color lump layers in circled areas of the spot-like layer; and (5) fixing the border display lines at the outline edges of the color lump layers, with the border display lines protruding from the outline edges of the color lump layers. The process has the obvious substantive characteristics that firstly, the visual effect of the handicraft picture manufactured by the process is similar to that of the cloisonne enamel, the stereoscopic effect and the visual effect of the handicraft picture are strong, and borders of adjacent color lump layers are clear; and secondly, the base layer of the handicraft picture manufactured by the process can be flexible materials such as cloth, and the like, thus, the handicraft picture can be rolled up for convenient storage and transportation by occupying less space and can not be damaged during transportation.

The invention discloses a drawing type work light. The existing work light has large volume, and a light body is easy to damage. The drawing type work light comprises a support body and a drawing light. The support body is provided with a permanent magnet, the drawing light is telescopically assembled on the support body, and the drawing light comprises the light body and a lighting circuit, wherein the light body is assembled with the support body; and the lighting circuit assembled on the light body comprises an electric light source, an electric power source and a non-contact inductive switch. The electric light source is accommodated in the support body and the lighting circuit is disconnected by the permanent magnet through the non-contact inductive switch when the drawing light is shrunk into the support body, and the electric light source is exposed out of the support body and the lighting circuit is connected by the permanent magnet through the non-contact inductive switch when the drawing light extends out of the support body. When lighting is not needed, the drawing light is shrunk into the support body, the volume is reduced, the storage is convenient, and the electric light source can be protected to avoid bump to be damaged. The circuit is automatically connected for lighting by coordination of the permanent magnet and the non-contact inductive switch when the drawing light is drawn out, the circuit is automatically disconnected to close the electric light source when the drawing light is shrunk into the support body, and the use is convenient.

The invention discloses a three-dimensional infrared radiation heating system. The heating system comprises a plurality of ceiling module units which are correspondingly arranged on a ceiling and walls, the ceiling is provided with a first heating module formed by combining the plurality of ceiling module units, a second heating module, a third heating module, a fourth heating module and a fifth heating module formed by the plurality of ceiling module units are correspondingly installed on the walls adjacent to the ceiling, and the first heating module, the second heating module, the third heating module, the fourth heating module and the fifth heating module are correspondingly and independently controlled. According to the system, the multi-block connection of the ceiling module units isadopted for effective combination, so that one or more directions can be controlled to heat, and then the overall heating of an indoor air environment is realized.

The invention discloses a system and a method for starting and sleeping low-power-consumption equipment without a key. The system comprises the equipment, a client and a server. The method is appliedto the system, and comprises the following steps: setting an opening parameter needing to be executed by equipment at a client; the server receiving the starting parameters set by the client and storing the starting parameters to wait for equipment interaction; when the equipment shakes, acquiring an acceleration value detected by an acceleration sensor; when the acquired acceleration value is greater than a preset acceleration threshold, waking up the MCU; the MCU reading the acceleration value detected by the acceleration sensor within the overtime period and counting the shaking times; whenthe shaking frequency is greater than a preset shaking frequency threshold, starting a communication module; the communication module requesting a server to inquire starting parameters; and receivingand executing an opening parameter command, and controlling the equipment to open or sleep. According to the invention, the starting and dormancy of the low-power-consumption equipment can be controlled without a key, so that the sealing performance of the equipment is better, and the problem that the mechanical key of the equipment is damaged or aged due to collision is also avoided.

The invention provides a bedside pretreatment device for a soft endoscope, which belongs to the technical field of medical instruments, the device comprises an enzyme liquid barrel, a constant-temperature heater, a rotating faucet, a rack, a rotating frame, an enzyme liquid bag and a foot switch, the constant-temperature heater is mounted at the upper end of the rack; the lower end of the constant-temperature heater penetrates through the rack and is connected with the rotary faucet; the rotating faucet can rotate by 90 degrees leftwards and rightwards along the joint of the rotating faucet and the constant-temperature heater; the enzyme liquid barrel is detachably placed at the upper end of the constant-temperature heater; meanwhile, an inner cavity of the enzyme liquid barrel is communicated with an inner cavity of the constant-temperature heater, the rotating frame is installed in a frame of the rack, the multiple enzyme liquid bags are detachably placed on the rotating frame, the foot switch is installed on the plane of the bottom of the rack, and meanwhile the foot switch is electrically connected with a rotating motor arranged on the rotating frame and a control valve arranged on the rotating faucet. When the endoscope is used, one endoscope has one enzyme, the temperature of enzyme liquid is constant, hospital infection caused by aerosol can be reduced, and collision anddamage to an endoscope lens can be avoided.

The invention relates to a processing and conveying device, in particular to a processing and conveying device for a solar circuit board. The processing and conveying device for the solar circuit board can prevent the solar panel from falling off and cannot scratch the surface of the solar panel. A processing and conveying device for a solar circuit board comprises a support, a sliding rail, a baffle, a sliding block, a rotating rod, a placing plate and the like. A sliding rail is arranged on the upper portion of the support, baffles are arranged on the front side and the rear side between the lower portion of the right side of the sliding rail and the upper portion of the left side of the support, a sliding block is slidably arranged on the upper portion of the sliding rail, a rotating rod is rotatably arranged on the lower portion of the sliding block, and a placing plate is arranged on the rotating rod. The machined solar circuit board is conveyed into the containing plate and blocked by the blocking frame, the solar circuit board is prevented from falling off, then a worker starts the gear motor, and an output shaft of the gear motor rotates so that the containing plate can drive the solar circuit board to move leftwards to be conveyed.

The invention relates to the technical field of battery pack transfer devices, and discloses battery pack transfer equipment and method for a new energy automobile. The output end of a lifting motor enables a lifting screw to rotate through a coupler, the lifting screw drives a lifting table, and therefore clamping at different heights is achieved; the output end of the clamping motor drives a driving shaft to rotate through a coupler, the driving shaft further enables a driving gear to rotate, the driving gear drives two driven gears which are meshed with each other to rotate, the two driven gears drive two clamping arms, and the two clamping arms are made to be away from each other. The clamping motor rotates reversely, the two driven gears drive the two clamping arms to get close to each other, then the two mechanical claws get close to each other to the two sides with the connecting bolt as the rotating center, and therefore the clamping frame and the slope bottom plate can clamp and transfer the battery pack; manual transfer is replaced, and time and labor are saved.

The invention belongs to the technical field of building monitoring equipment, and discloses a BIM-based building data monitoring device, which comprises a monitor body, at least two groups of lifting assemblies, a positioning assembly and a rotating assembly, an outer protection frame is arranged outside the monitor body, the lifting assemblies are used for realizing lifting of the monitor body, and the positioning assembly is used for positioning the monitor body after the height of the monitor body is adjusted. The outer protection frame is additionally arranged, the monitor body is located in the outer protection frame when not in use, the monitor body can be effectively prevented from being collided and damaged, in addition, the rotating assembly is additionally arranged, when the monitoring direction of the moved-out monitor body needs to be changed, through the action of a first bearing, the monitor body can be directly rotated to change the direction, after the direction is changed, a first limiting rod penetrates through a placement plate to be embedded into a first limiting hole, the direction change is convenient and fast, and the whole device does not need to be moved.

The invention discloses a dulcimer case.The dulcimer case comprises a trapezoidal case body capable of being folded and closed.A lining is arranged in the case body.Flexible pressing blocks used for pressing a dulcimer are evenly distributed on the lining.The outer portion of the case body is provided with an aluminum covered edge.The dulcimer can be pressed through the flexible pressing blocks, and the dulcimer case can be protected against bumping damage through the aluminum covered edge.

The invention relates to a fixture positioning device for electronic fuel injection throttle valve assembly mark printing. The fixture positioning device is provided with a special base and a fixture body; the upper end surface of the special base is provided with an arc-shaped groove; a spring knob body is fixed to the arc-shaped groove; a connecting rod is connected with the spring knob body through U-shaped holes; one side of the special base is provided with a dovetail groove; one side of the fixture body is provided with a dovetail boss; the dovetail boss is in matched sleeve connection with the dovetail groove, and is in limiting contact with the upper end surface of the special base through a limiting stopping block on the fixture body, so that the special base can be fixedly connected with the fixture body; and one end of the spring knob body is sleeved with a limiting hole formed in the fixture body, so that the fixture body can be positioned on the special base. According to the fixture positioning device of the invention, the dovetail boss and the dovetail groove are connected with the special base; the fixture body is fixed and positioned through the spring knob body and the limiting stopping block, so that the clamping and replacement of the fixture body are rapider and simpler, and production cost can be saved, and production efficiency can be improved.

The invention discloses a tool and a method for assembling a gear in a track traffic gear case. The tool comprises a seat body, a positioning base and a sliding seat. The method comprises the following steps: a, putting a gear case body on the positioning base of the tool so that the large hole flange end face of the gear case body is laminated with positioning steps of the gear case body; b, after the gear is heated, putting the gear placed in a gear containing groove in the sliding seat; c, pushing the sliding seat to move towards the positioning base and the gear case body, so that the gear is disposed on the positioning base and the end face of the gear is laminated with a gear positioning groove of the positioning base; d, hoisting a car axle above the tool and inserting the car axle in a hub of the gear until the end face of the car axle is laminated with the end face of the base or a positioning cushion block; e, oiling inside the hub of the gear through an oil hole in the gear, stopping oiling after oil overflows at the joint of the end face of the gear and the car axle, and cooling. The assembling speed can be improved, the assembling time can be shortened, the influence of human factors during the assembling process is also reduced, and the assembling precision and stability are improved.

The invention discloses an electronic commercial storage folding shelf. Structurally, the shelf includes a first placing layer, a second placing layer, a third placing layer, a fixing frame and reinforcing structures, and the first placing layer, the second placing layer and the third placing layer are structurally distributed from top to bottom in sequence; the first placing layer, the second placing layer and the third placing layer are all of rectangular structures and are installed in the fixing frame; the first placing layer, the second placing layer and the third placing layer are mechanically connected with the fixing frame, and the reinforcing structures are fixedly installed on the bottoms of the first placing layer, the second placing layer and the third placing layer and mechanically welded to the first placing layer, the second placing layer and the third placing layer. Under combined action of a protection device and the reinforcing structures, it can be ensured that objects placed on the folding shelf cannot be collided, and the integrity of the objects is guaranteed.

The invention relates to a placing device for glass transportation. The placing device for glass transportation comprises a shelf, a support frame, limiting devices and a fastening screw; the shelf comprises a base and protecting frames; the support frames are triangular, and are fixedly arranged on the upper surface of the base; antiskid soft blocks are arranged between the protecting frames andthe support frame; slide rods are arranged on two sides of the protecting frames; chutes are formed in middles of the inner surfaces of the slide rods; two limiting devices are provided, and are arranged on the inner sides of two protecting frames; the limiting devices comprise connecting rods and limiting plates; slide blocks are arranged at two ends of the connecting rods; strip grooves are formed in the upper surfaces; inclined baffle plates are connected to the inner sides of the connecting rods; the lower ends of the limiting plates are rotationally connected with the strip grooves, and fastening pieces are fixedly arranged at the upper ends; the fastening pieces are L-shaped, one ends are connected with the upper ends of the limiting plates, and screw holes matched with fastening screw structures are formed in the other ends; and multiple suckers are fixedly arranged in the middle positions of the inner surfaces of the limiting plates. The placing device for glass transportationhas the advantages of reasonable structure and convenient and safe use.

The invention relates to magnetic ring casting, a magnetic ring casting mold and a magnetic ring casting device manufacturing method. The magnetic ring casting mold includes a mold body, an annular molding cavity having a casting opening is formed in the mold body, and the bottom of the annular molding cavity is provided with at least two positioning holes in the circumference direction, and the positioning holes are used for positioning and insertion of corresponding positioning support columns. The magnetic ring casting mold is used for making the magnetic ring casting, casting materials fill the bottom of a magnetic ring body through gaps between the adjacent positioning support columns and fills the inner side and outer side of the magnetic ring body through the gap between the magnetic ring body and the annular molding cavity, and finally casting bodies wrapping the inner wall, the outer wall and the bottom of the magnetic ring body and the corners of the top of the magnetic ringbody are formed. The casting bodies protect the magnetic ring body, and the problems of collision and damage of the magnetic ring body in the installation and use processes are avoided.

Disclosed is a steel tube conveying device. The steel tube conveying device comprises a shell, a rotary motor, a driven wheel, a drive wheel, an air exhaust sensor, a vacuum chuck, a hanging arm, a vacuum generator, an air inflation sensor and a conveying belt. When the steel tube conveying device is used, the vacuum chuck at the front end of the hanging arm is driven to perform anticlockwise circular motion under anticlockwise rotation of the drive wheel, and when the vacuum chuck passes through the air exhaust sensor, the vacuum chuck absorbs a steel tube, and then when the vacuum chuck which absorbs the steel tube passes through the air inflation sensor in rotating mode, the steel tube breaks away from the vacuum chuck, and is transported to a stacking place by the conveying belt. The steel tube conveying device is reasonable in design, and simple and convenient to operate, prevents bumping damage generated when the steel tube is directly thrown from a high place, and guarantees completeness of the steel tube to the utmost.

The invention discloses an all-glass vacuum heat collecting tube with an anti-bump tail end, which comprises an outer glass tube and an outer tube tail end formed by the vacuuming operation of the outer glass tube, the external of the outer tube tail end is sleeved with an elastic protective cap, and the shape of the inner bore of the elastic protective cap is identical with the shape of the outer tube tail end. The elastic protective cap with the identical shape of the outer tube tail end is further arranged on the outer tube tail end of the present all-glass vacuum heat collecting tube, so as to protect the outer tube tail end and prevent the outer tube tail end from being bumped and damaged. At the same time, the outer diameter size of the elastic protective cap is gradually reduced forwards along a straight tube tail end of the outer glass tube so that the elastic protective cap can be preferably adhered on the tail end of the outer glass tube without sliding downward, and the protective performance of the elastic protective cap is further increased for the outer tube tail end.