176results about How to "Reduce sliding" patented technology

The utility model relates to the technical field of electromechanical equipment, in particular to an electromechanical equipment installation adjusting device. The technical problems that existing electromechanical equipment usually needs a positioning structure to be installed, the height adjusting range of the equipment is limited by the positioning structure due to the fact that different electromechanical equipment needs different working heights, the positioning structure needs to be frequently replaced to adapt to the installation height of the equipment during adjustment, the cost and complexity are increased, and the equipment is difficult to adjust are solved. And the performance and the installation efficiency of the equipment are influenced. According to the technical scheme, the electromechanical equipment installation adjusting device comprises a fixing frame, an adjusting assembly and a fixing assembly; the overall height of the device is adjusted along the interior of the limiting sleeve plate by adopting the movable plate to drive the screw rod, different installation requirements and environmental conditions are met, it is ensured that the movable plate can accurately stop at the needed position after adjustment, and accurate control over the height of the electromechanical equipment is achieved.

The invention discloses a full-static-pressure ultra-precise double-head spindle, which relates to the technical field of machine tool spindles and comprises a mandrel, a shaft sleeve is fixedly connected to the outer surface of the mandrel, a spindle equipment compartment is rotatably connected to the outer surface of the shaft sleeve, a synchronous pulley is fixedly connected to one side of the outer surface of the shaft sleeve, and a transmission assembly is in transmission connection to the synchronous pulley. The synchronous belt wheel is sleeved with a belt cover, the belt cover is fixedly connected into the main shaft equipment compartment body, and a transmission assembly looseness abnormity early warning mechanism is arranged in the belt cover and can automatically trigger an alarm to remind workers when the transmission assembly is loosened. The situation that the core shaft breaks down due to the fact that the transmission assembly falls off and is broken can be reduced, the maintenance cost of the core shaft is reduced, the service life of the core shaft is prolonged, the situation that vibration and noise are generated when the core shaft works under the abnormal condition of the transmission assembly can be avoided, the stability of the core shaft in the operation process is guaranteed, and the service life of the core shaft is prolonged. Therefore, the product grinding precision and quality of the mandrel are improved.

The invention discloses a preparation method and application of a boron and fluorine co-doped potassium ion battery positive electrode material, the chemical formula of the boron and fluorine co-doped potassium ion battery positive electrode material is K < 0.5 > Mn < 0.73 > Ni < 0.22 > B < 0.05 > F < 0.05 > O < 1.95 >, bond energy of O-O and TM-O is changed through introduction of boron and fluorine, TM atom spacing is reduced, and interlayer spacing is increased, so that a wider ion transmission channel can be provided, and the service life of the battery is prolonged. And structural deformation is inhibited. In addition, introduction of boron and fluorine inhibits irreversible release of oxygen anions, and side reactions are reduced. The crystal structure of the manganese-based layered metal oxide positive electrode material is synergistically regulated by anions and cations, so that the prepared boron and fluorine co-doped potassium ion battery positive electrode material has good cycling stability and excellent rate capability.

The invention discloses a high-entropy positive electrode material of a potassium ion battery and a preparation method and application of the high-entropy positive electrode material, the high-entropy positive electrode material is a layered oxide with a P2 / rock salt biphase symbiotic structure, the chemical general formula of the high-entropy positive electrode material is K < 0.6 > Mn < 0.75-x > Ni < 0.1 > Ti < 0.1 > Mg < x > Cu < 0.05 > O2, and x is more than 0 and less than or equal to 0.1. A high-temperature solid-phase method is adopted in the preparation process, the high-entropy layered oxide positive electrode material with symbiotic two phase structures of P2 and rock salt is finally formed by regulating and controlling the types and the content of doped elements, sliding of a TM layer in the charging process and large structural stress generated in the circulating process are relieved through introduction of a small amount of rock salt phase, and the performance of the positive electrode material is improved. And lattice distortion and cracks in particles in the long circulation process are improved, so that the electrochemical circulation stability and rate capability of the potassium ion battery are remarkably improved.

The invention relates to an intelligent cerebrovascular stent based on polymer short fibers and a preparation method thereof. The method comprises the following steps: carrying out electrostatic spinning on a polymer spinning solution to obtain polymer long fibers, freezing the polymer long fibers in liquid nitrogen, and carrying out low-temperature shearing dispersion to obtain polymer short fibers; a polymer in the polymer spinning solution is at least one of polycaprolactone, polylactic acid, gelatin, cellulose, fibroin, collagen and chitosan; uniformly mixing the temperature response high-molecular polymer and the polymer short fiber to obtain a 4D printing raw material; and designing a 4D printing model of a spider-leg-imitating structure, and performing 4D printing on a 4D printing raw material to obtain the intelligent cerebrovascular stent. According to the preparation method, the intelligent cerebrovascular stent with the spider-leg-imitating structure is prepared, the spider-leg-imitating structure design and the introduction of the polymer short fibers can endow the cerebrovascular stent with better shape adaptability and intelligent responsiveness, and the mechanical property and the anti-skid property of the cerebrovascular stent are effectively improved.

The utility model belongs to the technical field of wood processing, and particularly discloses a wood processing polishing and edge milling device which comprises a polishing and edge milling body, an operation table is fixedly connected to the bottom of a plate body, a T-shaped groove is formed in the operation table, the section of the T-shaped groove is in a T shape, and a first threaded rod is rotationally connected to the interior of the T-shaped groove; the left side of the first threaded rod rotationally penetrates through the operation table and extends to the outside of the operation table, threads with the two ends opposite are arranged on the outer surface of the first threaded rod with the middle position of the first threaded rod as the starting point, the outer surface of the first threaded rod is in threaded connection with a [-shaped block, and the section of the [-shaped block is in a [shape. And through movement of the polishing and edge milling mechanism, a brush at the bottom of a cleaning plate can sweep the top of the operation table, impurities such as wood chippings are swept into a collecting box through a first collecting groove and a second collecting groove for centralized treatment, and accumulation of a large number of wood chippings and the like on the operation table is reduced to a certain extent.

The invention discloses a conveying belt with an anti-falling structure and an anti-falling method of the conveying belt, and relates to the technical field of conveying belts. The device comprises two supporting frames, two belt shafts are symmetrically and rotationally connected to the opposite faces of the two supporting frames, and a first motor is fixedly connected to one side of one supporting frame. According to the coal conveying belt, the anti-falling assembly is arranged, the second motor is started to operate to drive the connecting shaft to rotate, the first anti-falling assembly can be driven to operate through rotation of the connecting shaft, the anti-falling assembly can circularly shake the bottom of the conveying belt body in the conveying belt body in a reciprocating mode, and therefore coal on the conveying belt is dispersed; according to the coal conveying belt, the coal is prevented from being accumulated too high on a certain part of the conveying belt body, so that the falling risk of the coal is reduced, the friction force between the coal and the surface of the conveying belt body can be increased by paving the coal, the sliding possibility of the coal is reduced, and the falling risk of the coal in the conveying process is reduced.

The utility model discloses a positioning device for glass processing, which comprises a working table, an auxiliary segmentation base and a plurality of support frames, the auxiliary segmentation base is arranged on the working table and fixedly connected with the upper end face of the working table, and the plurality of support frames are arranged on the auxiliary segmentation base and fixedly connected with the upper end face of the working table. The lower end of the supporting frame is arranged in the auxiliary segmentation base and is in sliding connection with the auxiliary segmentation base. The glass cutting device has the advantages of being capable of fixing glass and assisting in confirming the cutting position of the glass at the same time.

The utility model discloses leather base cloth for a noise reduction type foot pad, which comprises a polyurethane resin layer, a base cloth layer, a noise reduction layer and a non-slip mat layer, the polyurethane resin layer, the base cloth layer, the noise reduction layer and the non-slip mat layer are fixedly adhered in sequence from top to bottom, a plurality of sound absorption concave holes are arranged on the lower side surface of the noise reduction layer, and the noise reduction concave holes are communicated with the non-slip mat layer. Supporting cushion blocks are arranged in the sound absorption concave holes in a clearance fit mode, positioning protruding columns are arranged at the bottoms of the supporting cushion blocks, positioning holes are formed in the anti-skid cushion layer, and the positioning holes are matched with the positioning protruding columns in an inserted connection mode. A reinforcing structure and an anti-skid design are added, the problems that the sound insulation layer collapses and the foot pad slides after the foot pad made of leather base cloth is used for a long time are effectively solved, the technical performance and the safety of a product are improved, and better use experience and driving safety guarantee are provided for a user. According to the scheme, the multi-layer structural design is adopted, the durability of the whole foot pad can be improved, the service life can be prolonged, the replacement frequency is reduced, and the use cost is saved.

The invention discloses a coal mine tunnel full-section automatic anchoring and protecting integrated robot which comprises a walking module, a power source and control module, a laser radar positioning module, a net storage module, a net taking module, a net conveying module, a net laying module and an anchoring module, all the modules cooperate with one another, and automatic anchoring and protecting operation is achieved. The robot is started through remote control and enters a roadway, and the laser radar positioning module conducts three-dimensional scanning on the roadway so as to achieve accurate positioning and navigation. In the anchor protection area, a net conveying module conveys the anchor net to a net laying module, and a net laying manipulator lays the anchor net on a top plate and a side wall area; meanwhile, the anchoring module reinforces the roadway and the anchor net through an anchor rod drilling machine; when the anchor net is used up, the net storage module, the net taking module and the net conveying module automatically supplement a new anchor net, and continuous anchor protection operation is guaranteed; according to the invention, the automation degree of roadway anchor protection operation is improved, the labor intensity of workers is reduced, and the safety and the supporting stability are improved.

The utility model discloses an ejection device and battery production equipment. The ejection device comprises a base, an ejection assembly, an adsorption assembly and a driving assembly, the ejection assembly comprises a first ejection rod, and the first ejection rod is arranged on the base in a sliding mode; the adsorption assembly comprises an adsorption piece, the adsorption piece is arranged on the base in a sliding mode, and the adsorption piece is located on one side of the first ejector rod; the driving assembly is in transmission connection with the first ejector rod and the adsorption part, and the driving assembly can drive the first ejector rod and the adsorption part to move along the base. The first ejector rod can eject out the workpiece, the adsorption part can adsorb the workpiece, the driving assembly drives the first ejector rod and the adsorption part to move along the base, and therefore relative sliding generated when the workpiece and the adsorption part are tightly attached can be reduced, and damage to the workpiece is reduced.

The utility model relates to the technical field of welded pipe machining, and discloses a high-frequency straight welded pipe notch polishing device which comprises a bottom plate, an air cylinder is fixedly installed on the upper surface of the bottom plate, the output end of the air cylinder is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a polishing disc, and the upper surface of the bottom plate is fixedly connected with a fixing rod. A connecting block is slidably connected to the outer portion of the fixing rod and fixedly connected to the lower surface of the driving motor, and a clamping assembly is arranged on one side of the upper surface of the bottom plate. The clamping assembly comprises a bottom frame, and the bottom frame is arranged on one side of the upper surface of the bottom plate. By means of the rotating ring driven by the clamping assembly and the outer gear ring, stable rotation of the welded pipe is achieved, the polishing disc can conveniently and evenly polish the outer ring of the welded pipe notch, the polishing quality is improved, the polishing disc can be accurately aligned with the bottom of the outer ring of the welded pipe notch, and effective polishing of the outer rings of the welded pipe notches of different sizes is achieved.

The invention relates to an auxiliary pressing clamp, a pressing system and a pressing method.The auxiliary pressing clamp comprises a pressing column, the pressing column comprises a pressing section and a guiding section arranged on the pressing section, the outer diameter of the pressing section is larger than that of the guiding section, a pressing face is arranged on the side, close to the guiding section, of the pressing section, and the pressing face is used for being attached to the top face of a pressing ring; the outer side wall of the guide section is used for being attached to the inner side wall of the pressing ring. The pressing section is provided with a circuit board containing cavity, and the circuit board containing cavity penetrates through the guide section along the axis of the pressing section. The guide section extends into the inner ring of the pressing ring, the pressing surface is attached to the top surface of the pressing ring, and the outer side wall of the guide section is attached to the inner side wall of the pressing ring, so that the possibility that the pressing column slides relative to the pressing ring in the downward pressing process is effectively reduced, and the possibility that the flexible circuit board is damaged can be reduced by fixing the relative positions of the pressing ring and the pressing column; the technical problem that in the prior art, if the position of the pressing head deviates in the horizontal direction during pressing, products are likely to be unqualified is solved.

The application relates to the technical field of power distribution network non-power-off operation, in particular to a wire clamp device for power distribution engineering non-power-off operation, which comprises a supporting plate fixedly connected to the outer wall of a switching ring, two rotating plates rotatably connected to the outer wall of the supporting plate, a plurality of chain plates rotatably connected to the outer walls of the two rotating plates, and the chain plates are rotatably connected at the heads and tails; when the plurality of chain plates contact the fixed conductor wire, the plurality of chain plates will be attached to the outer wall of the conductor wire under the action of the two rotating plates, the plurality of extension rods arranged on the inner wall of the rotating plate will generate force on the two rotating plates, the chain plates will be tightly attached to the outer wall of the conductor wire, and due to the characteristics of the chain plates, the plurality of chain plates arranged can change along with the shape of the outer wall of the conductor wire, so that the contact area of the wire clamp device and the conductor wire is increased, and the probability of failure of the wire clamp and the conductor wire is reduced.

The utility model relates to the technical field of rivet connection, and discloses an anti-falling rivet which comprises a rivet rod, the end portion of the rivet rod is fixedly connected with a lap joint rod, the other end of the lap joint rod is detachably connected with a connecting rod, the other end of the connecting rod is fixedly connected with an inclined table, the other side of the inclined table is fixedly connected with an extrusion head, and the extrusion head is fixedly connected with the rivet rod. A riveting barrel is slidably connected to the periphery of the riveting rod, a fixing cap is fixedly connected to one side of the riveting barrel, a guide groove is formed in the outer side of the extrusion head, the thickness of the end of the riveting barrel is matched with the radian of the guide groove, and an anti-skid assembly is fixedly connected to the outer side of the riveting barrel. According to the utility model, through the mutual cooperation of the sloping bench and the guide groove, when the rivet cylinder shrinks and deforms, the deformation of the end part can be guided, so that the rivet cylinder gets close to a workpiece, thereby increasing the riveting strength, and then through the mutual cooperation of the anti-slip strip I and the anti-slip strip II, the sliding after riveting can be reduced, thereby ensuring the riveting effect.

The application discloses a method for generating a stable clamping pose of a double-arm clamping jaw based on a point cloud, and relates to the technical field of robots, and comprises the following steps: obtaining an image of a target object captured by a camera and depth information of a corresponding frame, and inputting the image into a stereo depth estimation model to obtain corresponding estimated depth information. The application solves the problem of depth missing of the target object in a shielding and complex structure area by fusing the depth information of an RGBD camera and the stereo depth estimation result, improves the completeness of point cloud data, adopts a depth fusion mechanism determined by difference to take into account the accuracy of model estimation and camera measurement, improves the quality of point cloud, generates a jaw pose by combining force closure and collision avoidance constraints to ensure the stability and safety of grabbing, reduces the complexity of the model by using point cloud features with rotation and translation invariance, and improves the recognition ability of a grabbing area and the success rate of grabbing by the interaction between target object features and jaw features.

The invention relates to the technical field of lift trucks, in particular to an assembly assisting lift truck which comprises a bottom plate, moving components are arranged at four corner angles of the lower end of the bottom plate, a lifting part is mounted at the upper end of the bottom plate, an adjusting part is arranged at the front end of a movable part of the lifting part, and two guide plates are symmetrically mounted at the front end of the adjusting part. The upper ends of the transverse parts of the two guide plates are slidably connected with sliding plates, telescopic equipment is arranged at the front end of the adjusting part, a push block is installed at the front end of the movable part of the telescopic equipment, supporting arms are movably installed at the inward ends of the two sliding plates, the other ends of the two supporting arms are movably arranged with the front end of the push block, and a pushing part is installed at the upper end of the push block. And the outward ends of the front parts of the two guide plates are both provided with position adjusting pieces, through the design, equipment to be assembled is conveniently assembled, the probability that assembled accessories are damaged due to factors such as hoisting is effectively reduced, the labor intensity is effectively relieved, the assembling time is effectively shortened, and the assembling effect is effectively guaranteed.

The present invention relates to the technical field of scaffold assembly, and discloses a quick inverted square tube and round tube scaffold, comprising a main body with a mounting hole, a plurality of first connecting pieces evenly distributed along the circumference of the mounting hole on the main body, and a plurality of second connecting pieces. When installing, the second connecting pieces are invertedly inserted into the first connecting pieces, the first connecting pieces and the second connecting pieces are matched in taper, and a support piece for connecting the square tube is installed on the second connecting piece. The present invention has a simple structure, can not only improve the construction efficiency of the scaffold, but also increase the load-bearing capacity of the scaffold.

The invention belongs to the technical field of mechanical grippers, and discloses an ampoule bottle treatment manipulator which comprises a shell, an air cylinder is fixedly connected to the interior of the shell, and a rotating assembly is arranged in the shell. Through cooperation of a first moving assembly, a vibration assembly, balls and other structures, ampoule bottles which are distributed in a scattered mode can be conveniently arranged into a row, then the working efficiency is improved, a first tooth plate and a second tooth plate move oppositely under cooperation with a rotating assembly, the first moving assembly is driven to move, and through movement of the first moving assembly, the working efficiency is improved. According to the ampoule bottle clamping device, the ball is driven to make contact with ampoule bottles distributed in a scattered mode, then through cooperation between the first inclined block and the second inclined blocks, the ball rolls on bottle bodies of the ampoule bottles, the ampoule bottles are pushed to move in the preset direction, finally the ampoule bottles distributed in the scattered mode are pushed to form a row, and therefore follow-up clamping operation is facilitated; and the working efficiency is improved.

The utility model relates to the technical field of building walls, in particular to an assembly type building wall transporting device which comprises a bottom limiting assembly, the bottom limiting assembly is composed of a first bottom frame, a first locking bolt, a first connecting frame, an anti-skid pad, an adjusting frame, a second bottom frame and a connecting base, and the upper end of the connecting base is connected with an end face limiting assembly. The end face limiting assembly is composed of a second connecting frame, a first telescopic rod, an adjusting rod, an adjusting groove, a second locking bolt, a baffle and a connecting rod, the first telescopic rod is arranged in the middle of the upper end of the second connecting frame, the upper end of the first telescopic rod is connected with the adjusting rod, and the adjusting groove is formed in the middle of the adjusting rod. A plurality of sets of connecting rods are connected into the adjusting groove, the two ends of each connecting rod are connected with a second locking bolt and a baffle, the upper end of the first connecting frame is connected with a side face limiting assembly, and the side face limiting assembly is composed of a first rotating base, a third locking bolt, a second telescopic rod, a second rotating base and a clamping plate.

The utility model discloses a kind of rotary spraying machines for shoe material spraying, it is related to shoe material spraying technical field, including shell, the top of the shell is equipped with conveying assembly, the top of the conveying assembly is equipped with spraying assembly, the side of the shell is equipped with discharge hopper, the side of the top of the spraying assembly is equipped with feeding hopper, the side of the top of the spraying assembly away from feeding hopper is equipped with drying device.The utility model, turntable rotates, insole falls into conveying groove, by gear disc, spring and hydraulic rod, it is slowly shaken, and insole is painted by drying device after being painted, and insole is clamped, by rotating second pawl and gear 180 °, and by the position of limiting groove and elastic clamp piece is limited, the reverse side is painted, this device can be all-round on insole top and is painted, ensure that insole painting is covered complete, can automatically realize the conveying and turning over of insole, save the tedious of manual work.

The utility model provides a tin point welding machine connected with a data line, which relates to the technical field of tin point welding machines and comprises a machine body, a transmission table is arranged on one side of the machine body, a welding head is arranged on one side of the transmission table, a conveying cylinder is arranged on one side, close to the welding head, of the transmission table, and a placing table is arranged on one side of the machine body. A limiting device is arranged on one side of the placing table, a cleaning device is arranged on the side, close to the welding head, of the transmission table, the limiting device comprises an L-shaped rod, the L-shaped rod is fixedly connected with the placing plate, a threaded hole is formed in one side of the L-shaped rod, and a screw rod is in threaded connection with the inner wall of the threaded hole; by arranging the limiting device, the data line on the placing table can be rapidly positioned, the situation that the data line slides when the data line is welded by the welding head, the position of the data line deviates, and the welding effect is affected is reduced, and the welding stability of the data line is improved.

The invention belongs to the field of material science and engineering, and particularly relates to a magnesium alloy with high strength and plasticity and high creep property in a wide temperature range and a preparation method. According to the method, the requirements of the magnesium alloy for high-strength plasticity and high creep property in a wide temperature range of-180 DEG C to 200 DEG C can be met; the magnesium alloy prepared by the method comprises a multi-scale mixed crystal structure of micron grains and stable ultra-fine grains; the material provided by the method (in a stress interval within 200MPa and a temperature interval below 200DEG C) shows creep resistance far higher than that of magnesium alloys in a common as-cast state, a heat treatment state and a common deformation treatment state, so that the application of the magnesium alloy in a creep-resistant structural member is expanded, and the creep-resistant performance of the magnesium alloy is improved. And meanwhile, the instant mechanical properties at room low temperature (-180 DEG C to room temperature) show good strength and plasticity.

The utility model discloses a spliced carpet, and relates to the field of carpet application, the spliced carpet comprises a plurality of support pads, each support pad is provided with a blanket layer, and the side edge of each support pad is provided with a connecting assembly; an anti-skid assembly is arranged at the bottom of the supporting pad, the connecting assembly comprises a first splicing block fixed to the side edge of the supporting pad, a second splicing block is fixed to the side, away from the first splicing block, of the supporting pad, the first splicing block and the second splicing block correspond to each other, and a reinforcing piece is arranged between the first splicing block and the second splicing block. The supporting pad, the first splicing block and the second splicing block are all rubber blocks. The splicing blocks I and the splicing blocks II between the adjacent supporting pads are overlapped together, and the connection between the splicing blocks I and the splicing blocks II is reinforced by the reinforcing pieces, so that the overall size of the carpet can be conveniently changed according to actual conditions, and the supporting pads and the blanket layer can be conveniently replaced and cleaned; and meanwhile, the possibility that dust is accumulated on the ground from splicing gaps is reduced.

The utility model belongs to the technical field of kitchen ware, and particularly relates to a stable and anti-slip cutting aid capable of being operated by one hand, which is characterized in that a cutting aid mechanism is mounted at the top end of an operating table, and a mounting plate is fixedly connected to the back of the operating table; a mounting groove is formed in one side wall of the mounting plate, the two-way threaded rod is arranged in an inner cavity of the mounting groove, the two ends of the two-way threaded rod are in threaded connection with connecting plates correspondingly, and a clamping plate is arranged on one side of each connecting plate. According to the cutting assisting device, after the cutting assisting device is placed on a cutting board, the two connecting plates can move relatively by rotating the two-way threaded rod, so that the two clamping plates move relatively until the two clamping plates are attached to the two side walls of the cutting board, clamping of the cutting board is achieved, and then the stability of the cutting assisting device in the using process is guaranteed.

The utility model relates to the field of shock pads, and particularly discloses a wear-resistant rubber shock pad which comprises an annular pad body, a plurality of circles of protruding parts protruding towards the end face of the side away from the pad body are fixedly arranged on the end faces of the upper side and the lower side of the pad body, and the pad body is hollow and internally and fixedly provided with a plurality of circles of supporting grids. The protruding portion can increase friction force between the pad body and a part, meanwhile, the supporting grid arranged in the pad body generates certain deformation when bearing radial thrust while guaranteeing the supporting strength of the pad body, and the wrapping edge wraps the edge of the part, so that relative sliding between the pad body and the part is reduced, and the service life of the pad body is prolonged. Furthermore, the wear-resistant layer made of the polyurethane material can be used for improving the wear resistance of the shock pad.

The utility model discloses an anti-deformation tray which comprises a tray body, the tray body comprises transverse strips and longitudinal strips, the transverse strips are evenly arranged at intervals in the longitudinal direction, the longitudinal strips are evenly arranged at intervals in the transverse direction, the transverse strips and the longitudinal strips are arranged in a crossed mode, and annular reinforcing parts are arranged at the crossed positions of the longitudinal strips and the transverse strips. The inner supporting cavities are defined by the adjacent transverse strips and the adjacent longitudinal strips, baffle limiting assemblies are arranged on the left side and the right side of the tray body, the annular reinforcing parts are arranged at the intersections of the longitudinal strips of the tray body, the inner supporting cavities are defined by the adjacent transverse strips and the longitudinal strips, and therefore the structural stability of the tray is remarkably enhanced; by means of the design, the weight of goods can be effectively dispersed and borne, deformation caused by too large local stress is reduced, the baffle limiting assemblies are arranged on the left side and the right side of the tray body, the goods can be effectively limited, the goods are prevented from sliding or rolling in the carrying process, and the safety of the goods is improved.

The utility model relates to a sand adding clamp and system. The sand adding clamp comprises a mounting assembly and a clamping arm assembly. The installation assembly comprises a base plate, and the base plate is provided with a first avoiding groove, a second avoiding groove, a first avoiding hole and a second avoiding hole, wherein the first avoiding hole and the second avoiding hole are parallel to the first avoiding groove and the second avoiding groove respectively. The clamping arm assembly comprises a first clamping arm mechanism and a second clamping arm mechanism which can be in an open state or a clamping state relative to each other. In the clamping state, the first clamping arm mechanism extends out of the first receding groove and reversely extends to the first receding hole, and the second clamping arm mechanism extends out of the second receding groove and reversely extends to the second receding hole.

The invention provides vacuum evaporation coating equipment, which comprises a vacuum chamber, a vacuum evaporation coating device, a vacuum evaporation coating device and a vacuum evaporation coating device, the conveying device comprises a plurality of rollers arranged in the vacuum chamber at intervals and a conveying belt arranged on the rollers, the rollers drive the conveying belt to move, and the conveying belt comprises an upper conveying section located above the rollers and a lower conveying section located below the rollers; the first heating device is arranged in the vacuum chamber, a gap n is formed between the first heating device and the lower conveying section, and the first heating device is used for evaporating the film layer deposited on the lower conveying section. By applying the vacuum evaporation coating equipment, the problems of long downtime and high maintenance cost of the vacuum evaporation coating equipment in the prior art can be effectively solved.