38results about How to "Increase the carrying capacity" patented technology

The invention discloses a putty powder production packaging system, and relates to the technical field of putty powder production. The problems that the putty powder packaging efficiency is low and potential safety hazards of manual operation are larger are solved. The putty powder production packaging system comprises an assembly line arranged under a discharging port of a finished product tank and a sewing machine arranged on one side of the assembly line, and further comprises a bagging mechanism arranged on one side of the discharging port and a clamping mechanism moving parallel with theassembly line. The bagging mechanism comprises a moving transverse frame, a main supporting arm and an auxiliary supporting arm are arranged on the moving transverse frame, and the main supporting armand the auxiliary supporting arm are horizontally parallel with each other and provided with main pawls and auxiliary pawls for grabbing packaging bags and opening the grabbing packaging bags; the moving transverse frame is provided with a first driving mechanism for driving the moving transverse frame to move horizontally and vertically; and an opening and closing mechanism is arranged at the discharging port. The putty powder production packaging system automatically grabs the packaging bags and opens the packaging bags, the opening and closing mechanism cooperates with the bagging mechanism to perform bagging and positioning on the packaging bags, the clamping mechanism sends finished products to the sewing mechanism to be sewn, bag opening, bagging and sewing are completed automatically, the manual operation is substituted, manual labor is effectively saved, and the automation level is improved.

The invention discloses a pallet machine. Pallets are directly stacked inside a stack space and are not needed to be partitioned, clamping and blocking mechanisms are arranged at the two opposite sides of a frame, a parallel four-bar mechanism is adopted for each clamping and blocking mechanism, when the pallets are conveyed, the clamping and blocking mechanisms extend into the stack space for clamping the clamping grooves in the two opposite sides of the pallets, all the pallets in the stack space are clamped and positioned, and the pallet located at the lowermost position of the stack space is dropped to a transmission mechanism through a supporting mechanism and output from the bottom through the transmission mechanism. Therefore, the parallel four-bar mechanism is adopted for each clamping and blocking mechanism, so that the pallet machine has the advantages of being compact in structure, low in cost, stable in operation and large in bearing power.

The invention discloses a half-round head rivet. The half-round head rivet comprises a rivet cap (1) and a rivet rod (2) connected with the rivet cap (1). The rivet rod (2) comprises a linkage transition end (3), and the rivet cap (1) is connected with the rivet rod (2) through the linkage transition end (3); the diameter of the linkage transition end (3) is larger than that of the rivet rod (2); and a plurality of reinforcing protruding ribs (4) protruding out of the circumferential face of the rivet rod (2) are evenly distributed in the circumference face of the lower end of the rivet rod (2) in the axial direction. The rivet cap is connected with the rivet rod through the linkage transition end, the reinforcing protruding ribs are arranged on the circumferential face of the lower end of the rivet rod in the axial direction, force borne by the rivet rod can be reduced, stress strength of the rivet rod is enhanced, the rivet rod is effectively prevented from bending, and therefore the riveting efficiency is improved, and the rejection rate of the rivet is reduced.

The invention discloses an embedded tensioner which is simple in structure and high in strength and comprises a support seat. A ratchet shaft wound with a movable end of a wire is rotationally arranged on the support seat, tension ratchets are arranged at two ends of the ratchet shaft, a backstop pawl capable of being matched with the tension ratchets is arranged on the support seat, a fixing hole for a fixed end of the wire and a fixing hole for the movable end of the wire are respectively arranged on the support seat and the ratchet shaft, the wire fixing tension direction of the fixing hole for the fixed end of the wire is positioned on the perpendicular bisector of the ratchet shaft between the tension ratchets, and the fixing hole for the movable end of the wire is penetratingly arranged on the ratchet shaft between the two tension ratchets at the two ends of the ratchet shaft and is deviated from the center of the ratchet shaft. The embedded tensioner has the advantages that a deficiency gap of small field embedded tensioners for metal wires in China is filled, and the embedded tensioner is high in hardness and toughness, low in service cost and good in service effect and is corrosion-resistant when used in a field.

The invention discloses a steel bar clip pre-stress tensioning anchor block. The steel bar clip pre-stress tensioning anchor block comprises a ribbed slab, the ribbed slab is respectively provided with a pre-stress crude steel bar wire anchor and a pre-embedded bolt, one side surface of the ribbed slab is provided with a pre-embedded leveling steel plate, the pre-embedded leveling steel plate adopts an L-shaped structure, each of the pre-stress crude steel bar wire anchor and the pre-embedded bolt penetrates through the ribbed slab and the pre-embedded leveling steel plate through a fastening screw, the long edge of the pre-embedded leveling steel plate is provided with base plates, the bottom of each of the base plates cooperates with the pre-embedded leveling steel plate, the obtained integral body is fixedly fastened through ribbed stiffeners, the top of the base plates is provided with a loading plate, the loading plate is detachably connected with the pre-embedded leveling steel plate through the base plates and carbon fiber bars, the number of the base plates is two, the number of the carbon fiber bars is two, and the upper surface of the loading plate is provided with a clip anchor device. The steel bar clip pre-stress tensioning anchor block has the advantages of strong bearing strength, greatly improved anchoring performance, repeated use due to detachable movement, high anchor back rate, enough pre-stress tension and wide application range.

The invention relates to smart home elderly nursing type environment safety equipment combining with a monitoring function. The smart home elderly nursing type environment safety equipment comprises an equipment body, a camera and a display screen. A moving groove is formed in the inner side of the equipment body, and a moving plate is arranged in the moving groove. The inner side, close to the axle wire of the equipment body, of the moving plate is connected with a connecting disk, and a protection cover is fixedly arranged at the top end of the connecting disk. The camera is mounted in the protection cover, a guide groove is formed in the inner side of the protection cover, and a connecting shaft is arranged on the outer wall of the equipment body in a penetrating mode. The smart home elderly nursing type environment safety equipment combining with the monitoring function has the beneficial effects that through he arrangement of the equipment body, the protection cover, the moving groove, the moving plate, the connecting disk and the camera, and the protection cover forms a movable structure with the equipment body through the moving groove, the connecting disk and the moving plate, so that when the camera has any damage, people can adjust the equipment manually, and other cameras can be rotated to the position of the damaged camera to conduct monitoring work through the moving action of the moving plate in the moving groove.

The invention relates to an easy-to-collect electronic component base with a stable structure, which comprises a bottom plate, a bearing plate and balls, wherein supporting rods are arranged around the top part of the bottom plate; the top ends of the supporting rods are provided with fixing blocks; the supporting rods and the bottom plate are fixedly connected; the supporting rods and the fixingblocks are movably connected; the bearing plate is connected onto the top ends of the fixing blocks; the inner side of the top part of the bearing plate is movably provided with clamping strips; and the clamping strips and the bearing plate are movably connected. The easy-to-collect electronic component base with the stable structure has the beneficial effects that as the bearing plate, the bottomplate and the supporting rods are arranged and the shape of the bearing plate is coincident with that of the bottom plate, when the bearing plate performs supporting operation on an electronic component, under indirect supporting effects of the bottom plate at the bottom, a two-layered plate body performs bearing operation on the electronic component, the bearing capacity of the device to the electronic component is enhanced, the structure stability of the device is enhanced, and supporting by the traditional single-layered plate body on the electronic component is replaced.

The invention relates to the technical field of mining equipment, and discloses a crawler loader for mining. The crawler loader comprises a caterpillar chain and a control cabin, wherein a bearing plate is welded with the middle of the top of the caterpillar chain; the control cabin is welded with the middle of the top of the bearing plate; a first bearing seat and a second bearing seat are respectively welded with the two sides of the top of the bearing plate; a conveying hopper is clamped between the middles of the front surfaces of the first bearing seat and the second bearing seat; a driving device is welded with the inner side of the middle of the top of the second bearing seat; an operating device is connected with the middle of the bottom of the driving device in a penetrating manner; a driving mechanical arm is articulated with the top of the operating device. The crawler loader can ensure that the operating device performs adjustment operation on the driving device and the driving mechanical arm according to different slope angles through the matching of the second bearing seat, the driving device, the operating device and the driving mechanical arm when a user shifts theequipment to the slope of a mine, and further improves the bearing force and the stabilizing force of the driving mechanical arm.

The invention relates to a valve, in particular to a deep sea pneumatic control valve. The specific technical scheme is that the deep sea pneumatic control valve comprises a valve body and a bonnet, a valve passage, a valve seat and a valve core are arranged in the valve body, the valve passage comprises a medium inlet passage and a medium outlet passage, a connecting chamber for communicating the medium inlet passage and the medium outlet passage is arranged between the bonnet and the valve body, a guide passage which is communicated with the connecting chamber and a pressure relief passage which is communicated with or isolated from the guide passage are arranged on the valve body, one end of the pressure relief passage is communicated with the guide passage through an adapting chamber, the other end of the pressure relief passage is communicated with the medium inlet passage of the valve body, a micro control mechanism which enables the pressure relief passage to be communicated with or isolated from the guide passage is arranged in the adapting chamber, and one end, opposite to the other end which is connected with the pressure relief passage, of the micro control mechanism, is linked with a pneumatic regulation and control mechanism above the seal level through a connecting piece. By adopting the technical scheme, the deep sea pneumatic control valve provided by the invention has the advantages that the deep sea pneumatic control valve can be used for conveniently opening and closing a seabed pipeline and the structure is simple.

The invention relates to a stable safety device for locating and cutting for steel bar production. The stable safety device comprises a working table, a main baffle and supporting rods. Fixed blocks are arranged at the top of the working table, and a supporting block is arranged at the position, close to the center axis of the working table, of the inner side of each fixed block. A threaded hole is formed in each fixed block. A containing block is fixed to the top end of the working table, and a rotary shaft is arranged on the outer side of the working table. The main baffle is movably arranged at the bottom end of the rotary shaft, and an observation window is mounted on the inner side of the main baffle. The bottom of the main baffle is connected with a connecting strip. The stable safety device has the advantages that through the arrangement of a blade, a chip blocking cover, a box body, a moving rod, a moving shaft and the working table, the moving rod and the working table form amoving structure through the moving shaft, when cutting work needs to be carried out on steel bars, workers can move the box body by grabbing the moving rod through the rotating function of the movingshaft, and the blade is driven to carry out cutting work on the steel bars.

The invention discloses a self-formwork cast-in-place floor and a construction method thereof, and belongs to the technical field of buildings. The floor comprises a steel bar truss which comprises longitudinal and transverse steel bars, triangular overlapping frames and frame-shaped connecting frames, each triangular overlapping frame is composed of six triangles which are integrated and overlapped with one another, each frame-shaped connecting frame is formed by bending a steel bar, a self-formwork system is formed by fixing an inner-layer bottom formwork, an outer-layer bottom formwork and gasket strips on frame arms of the frame-shaped connecting frames in a mutually crossed manner, and the pouring is divided into two steps, and a bottom template for the front pouring is used as a bottom template for the rear pouring. The floor has the beneficial effects that the overall load force of the self-formwork system is increased, the formwork is erected on the whole by means of the structural characteristics of the steel bar truss of the self-formwork system, scaffold supporting is completely omitted, and material cost and labor cost are greatly saved; and the triangular overlapping frames and the frame-shaped connecting frames are adopted, so that the strength of the steel bar truss can be improved, and the triangular overlapping frames and the frame-shaped connecting frames can be used as hoisting and supporting parts of the bottom formwork to provide alternative supporting force for removing a scaffold.

The invention provides a fabricated wall surface leveling mounting structure. The fabricated wall surface leveling mounting structure comprises a plurality of leveling mounting mechanisms, each leveling mounting mechanism comprises a hanging connecting piece, a telescopic connecting piece and keels, wherein the hanging connecting piece comprises a first connecting plate and a second connecting plate connected with the first connecting plate, the first connecting plate is perpendicular to the second connecting plate, a connecting groove is formed below the second connecting plate, and the firstconnecting plate is fixed to a wall; the telescopic connecting piece comprises a telescopic connecting plate and a hanging connecting plate, the telescopic connecting plate is mounted in the connecting groove in an inserted manner, and the telescopic connecting plate is perpendicular to the hanging connecting plate; the side surfaces of the keels are in an M shape, and the keels are clamped and fixedly connected with the hanging connecting plate; and a plurality of hanging connecting pieces and telescopic connecting pieces are mounted on each keel in a spaced manner, and the hanging connecting pieces and telescopic connecting pieces are arranged in a one-to-one correspondence manner. Compared with the prior art, the fabricated wall surface leveling mounting structure has the advantages asfollows: the leveling range can be enlarged, the stability of a wallboard can be improved, and the decoration quality and decoration effects of the overall wall surface can be enhanced.

The invention relates to an upright type computer host machine, which comprises an upright bottom chamber, a loading component and a first electric connecting port hole, wherein the upright bottom chamber comprises a U-shaped body formed by a bottom and front and back frame bodies; the loading component is arranged on the middle section of the width surface of the upright bottom chamber and is connected to the inner side of the front and back frame bodies, so as to form an upright combined plate and provide a longitudinal upright fixing position of a reserved plate component; a longitudinal matching line is formed by connecting the combined plate as the loading component from the front frame body to the back frame body, so as to divide the lateral width surface of the upright bottom chamber into a first assembling chamber with an opening towards left side and a second assembling chamber with the opening towards right side; and the first electric connecting port hole is uprightly arranged on the back frame body close to the loading component and is positioned in the first assembling chamber. The length and height of the upright type computer host machine can be properly reduced, so as to increase the loading volume of a case, increase the convenience for installing and upgrading and increase the radiation efficiency by a separated air field.

The invention relates to a pipe galleries and discloses a pipe gallery formwork installation and construction technology. The pipe galleries and discloses a pipe gallery formwork installation and construction technology comprises the following construction process of conducting surveying, setting out and point fixation; assembling the formwork, conducting elevation adjustment, straightening, supporting and fixing; installing water stops and joint plate sealing rods; binding bottom steel bars and installing a wall reserved steel bar lifting formwork. According to the pipe gallery formwork installation and construction technology, formworks are fixed through split bolts, wall formworks on the two sides are always perpendicular to the bottom formwork in use, and therefore when formworks on the two sides bear squeeze from gravity, the side formworks are stabilized at the initial position by the bolts; by means of pull action of the split bolts, when steel bars between the two side wall formworks are detached, the wall formworks on the two sides are still perpendicular to the bottom formwork, the perpendicular error is kept in a standard range, so that when the two formworks on the twosides are used, a top formwork is supported through perpendicular force, in combination with connection between the formworks through the split bolts, the stability of the formworks on the two sides in use is further improved.

The invention discloses a 360° panoramic shooting system, which is characterized in that it includes an LED lighting control system, the LED lighting control system is connected to a 360° panoramic shooting turntable through a power output port and a PWM pulse signal input port, and the 360° panoramic shooting turntable is connected to the The mobile APP control module is connected through Bluetooth, the mobile APP control module is connected to the SLR camera image acquisition module through the wifi module, the mobile APP control module is connected to the background Alibaba Cloud server through the data communication network, and the background Alibaba Cloud server is connected to the PC-side data processing through the data communication network The module is connected, and the PC-side data processing module is connected to the Internet e-commerce platform through the data communication network. Through the system of the present invention, shooting and data processing form an integrated control, and good shooting effects can be achieved.

The invention belongs to the technical field of keel connection, and in particular, relates to an internal and external wall steel structural keel connecting structure. The invention aims to solve theproblem of influence on the stability and bearing strength of a keel structure by excessive shifting phenomenon of a keel connecting point when a wall is impacted because a traditional vertical keeland transverse keel are not slidably connected. Through rotation of a triangular stabilizing member, a connecting fixed angle thereof slides into a corresponding internal connecting wall body, external connecting first wall body and external connecting second wall body; a stainless steel self-tapping bolt is used for fixing, so that the connecting convenience of a skeleton to a wall steel structure is improved; meanwhile, the fixing strength of each connecting member is improved by using stability of a triangle; and through a slidable connecting mode, the excessive shifting phenomenon caused by higher stress of a keel connecting point when the connected wall is impacted is prevented, and the stability and bearing strength of the keel structure are improved.

The invention provides an automatic-following obstacle crossing vehicle comprising at least one inner planet type compound gear train unit. Each inner planet type compound gear train unit comprises an inner gear ring, a main bearing wheel, and a power device. The inner gear rings are arranged on the inner surfaces of tires, and the inner gear rings and the tires rotate in the same speed; the main bearing wheels are provided with gears engaged with the inner gear rings coaxially and can slide around the inner surfaces of the tires in a rolling mode; the power devices are used for driving force transmitting mechanisms and transmitting the rotating force to the main bearing wheels and the gears; and the main bearing wheels and the gears are connected with exterior loads through pin shafts. The automatic-following obstacle crossing vehicle can effectively cross an obstacle with the loads, the requirement for the pavement condition in the carrying process is low, the load weight is high, and excellent performance is achieved.

The invention discloses an anti-deformation fireproof door with good sealing performance, and relates to the technical field of fireproof facilities. The anti-deformation fireproof door comprises a door frame body, a fireproof outer frame and a top plate, wherein, the fireproof outer frame is rotatably connected to the inner connecting end of the door frame body through hinges, and the top plate is located at the top of the fireproof outer frame. According to the anti-deformation fireproof door with good sealing performance, structural design is reasonable, the compression resistance of the fireproof door is higher compared with a traditional product, the phenomenon that the fireproof door is bent and deformed due to external acting force is effectively prevented, gaps inside and outside the fireproof outer frame are effectively filled through matched use of sealing strips and honeycomb aluminum plates, circulation of smoke and hot air is effectively blocked, comfort of personnel in a house is guaranteed; and compared with the traditional product, the fireproof door can effectively extinguish surrounding fire sources in the first time, the problem that in the prior art, casualties are caused due to the fact that firefighters fail to rescue in time is solved, and the actual use safety of the fireproof door is greatly improved.

The invention discloses a cabinet equipment installation lifter. The cabinet equipment installation lifter comprises a base, a bearing platform, two scissor-type supporting arms located between the base and the bearing platform, and a driving mechanism for driving the supporting arms to be unfolded or folded relatively; each supporting arm is composed of a first connecting rod, a second connectingrod, a third connecting rod and a fourth connecting rod; the driving mechanism comprises a motor, a transverse rod and a connecting rope arranged between the motor and the transverse rod; and the transverse rod is arranged between the lower parts of the two first connecting rods, the bottom ends of the first connecting rods are in sliding connection with the base, and the bottom ends of the second connecting rods are in rotating connection with the base. The cabinet equipment installation lifter is is convenient to install and maintain, and low in cost.

The invention relates to a field test and measurement method of strength characteristics of unsaturated soil, which comprises: digging a test hole A and a suction test hole B with a Luoyang shovel, setting a measuring device of strength characteristics of unsaturated soil above the test hole A, setting a tensiometer at the bottom of the suction test hole B, carrying out loading test in the test hole A, observing changes in the reading of the tensiometer in the suction test hole B, drawing a load-settlement curve, and carrying out other steps. Field test and measurement from the Luoyang shovel-formed holes to strength characteristics of unsaturated soil are achieved herein; the field test and measurement method and device to acquire strength characteristics of unsaturated soil through the loading test and the tensiometer measurement test are provided; the load-settlement curve under different suction levels is drawn through groups of unsaturated soil loading tests under different suction levels so that strength characteristic parameters of unsaturated soil are attained; therefore, strength of the unsaturated soil under any suction level is calculated.

The invention relates to the technical field of transmission cables, and discloses a load-bearing detection cable for an oil-gas well. The load-bearing detection cable for an oil-gas well comprises aprotective sleeve, an outer layer forward steel wire, a lubricating layer, an inner layer reverse steel wire, a sheath layer, an insulating layer and a conductor. The outer layer forward steel wire coats the internal portion of the protective sleeve, the lubricating layer coats the internal portion of the outer layer forward steel wire, the inner layer reverse steel wire coats the internal portionof the lubricating layer, the sheath layer coats the internal portion of the inner layer reverse steel wire, the inner layer reverse steel wire contracts to the outside, at the same time, the inner layer reverse steel wire drives the steel wire to revolve under the counter-acting force of the force to allow the outer layer forward steel wire to begin revolve, and through the reverse spiral connection between the two, and the reaction force of reuse power acts on the steel wire, no matter what angle the steel wire is rotator, the steel wire can return to the initial state to allow the steel wire to be in a closed state so as to increase the bearing intensity of the cable during use and allow the cable to keep the stable state in the use process.

The invention relates to a building pile foundation and a construction process thereof. The building pile foundation comprises a plurality of pile foundation bodies inserted into soil around a pile and a bearing platform arranged at the tops of the multiple pile foundation bodies, wherein each pile foundation body comprises a bottom pile and a top pile located on the bottom pile; a plurality of containing grooves are formed in the top face of each bottom pile; inverted fasteners are arranged in the containing grooves; each top pile comprises a connecting base and an inserting base arranged onthe face, facing the corresponding bottom pile, of the connecting base; the inserting bases are used for driving the inverted fasteners to stretch out of the containing grooves and be inserted into the soil around the pile; the top piles and the bottom piles are fixed through reinforcing assemblies; each pile foundation body is provided with a holding assembly; and the holding assemblies of everytwo adjacent pile foundation bodies are connected through a chain assembly. According to the building pile foundation and the construction process thereof, the inverted fasteners of the pile foundation bodies are inserted into the soil around the pile, the connecting strength of the soil around the pile and the pile foundation bodies is enhanced, and the bearing strength of the pile foundation bodies is improved overall.

The invention relates to the technical field of mining equipment, and discloses a crawler loader for mining. The crawler loader comprises a caterpillar chain and a control cabin, wherein a bearing plate is welded with the middle of the top of the caterpillar chain; the control cabin is welded with the middle of the top of the bearing plate; a first bearing seat and a second bearing seat are respectively welded with the two sides of the top of the bearing plate; a conveying hopper is clamped between the middles of the front surfaces of the first bearing seat and the second bearing seat; a driving device is welded with the inner side of the middle of the top of the second bearing seat; an operating device is connected with the middle of the bottom of the driving device in a penetrating manner; a driving mechanical arm is articulated with the top of the operating device. The crawler loader can ensure that the operating device performs adjustment operation on the driving device and the driving mechanical arm according to different slope angles through the matching of the second bearing seat, the driving device, the operating device and the driving mechanical arm when a user shifts theequipment to the slope of a mine, and further improves the bearing force and the stabilizing force of the driving mechanical arm.

The invention relates to a gland leakage detection device for automatic production of batteries. The device comprises a main body, a blowing port and a conduction piece. A hydraulic rod is arranged atthe right side of the inner wall of the top end of the main body, and a pressing plate is connected to the bottom of the hydraulic rod. An air pump is arranged at the left side of the top end of themain body, and a rotating shaft passes through the left side of the inner wall of the top of the main body. The beneficial effects of the invention are as follows: the hydraulic rod, the pressing plate, the rotating shaft, the movable box and the main body are arranged, and the hydraulic rod is in threaded connection with the pressing plate; the hydraulic rod is connected with the pressing plate,so that a worker can replace the pressing plates of different specifications, and improves the working flexibility of the device for the battery pressing cover; the battery top cover can be pressed inall directions under the action of the convex blocks at the bottoms of the pressing plates, and the top cover is stressed uniformly, so the battery liquid leakage phenomenon is avoided.

The invention relates to an electronic component base with a stable structure for easy collection, comprising a bottom plate, a bearing plate and balls, support rods are arranged around the top of the bottom plate, and a fixed block is arranged on the top of the support rods, the support rods and The bottom plates are fixedly connected, and the support rod and the fixed block are connected flexibly. The bearing plate is connected to the top of the fixed block, and the inner side of the top of the bearing plate is movably provided with a clamping strip. The clamping strip and the bearing There are active connections between the boards. The beneficial effect of the present invention is: the present invention is through the setting of bearing plate, base plate and support bar, and the shape of bearing plate coincides with the shape of base plate, when carrying plate carries out supporting operation to electronic component, the base plate at its bottom Under the action of indirect support, the double-layer board body can carry out the load-bearing operation of the electronic components, increase the load-bearing strength of the device to the electronic components, and improve the structural stability of the device, replacing the traditional single-layer board body to support the electronic components.

The invention relates to the technical field of casting rollers, in particular to an efficient radiating air cooling roller. The efficient radiating air cooling roller comprises a roller body and roller shafts welded to the two ends of the roller body. A plurality of radiating channels for radiating of the roller body are formed in the roller body. Reinforcing rib plates used for improving the bearing strength of the radiating channels are welded in the radiating channels. Radiating fans used for accelerating radiating are further arranged at the two ends of the radiating channels. The six radiating channels are evenly distributed in the roller body with the roller shafts as the circle centers. The extension lines of the reinforcing rib plates pass through the circle centers of the roller shafts. The radiating fans are fixedly connected to the ends of the reinforcing rib plates through rotary shafts. Effective radiating of the surface of the roller body is achieved through the radiating channels formed in the outer edge of the roller body, and radiating is accelerated through the radiating fans in the channels. The bearing strength of the hollow channels is advantageously improved through the reinforcing rib plates welded in the channels, the condition that the roller body is bent after long-time usage is prevented, the radiating efficiency of the roller body is effectively improved, and the service life is prolonged on the premise that the using efficiency of the roller body is not influenced.