341 results about "Rotating hinge" patented technology

An automatic emergency door closure is provided that can be used with an existing door by inserting a hinge pin assembly into knuckles of hinge plates associated with the existing door. The hinge pin assembly is movable between a first position where the door is held in a regular use position in which it can be opened and closed and a second position where the door is released to a closed position. This movement from the first position to the second position may be as a result of a variety of triggers, including a message transmitted from a remote location or nearby heat. The assembly may include a hinge pin body that is inserted into the knuckles, a torsion spring that is configured to rotate the hinge pin body, and an activator that can be activated by the trigger to enable rotation of the hinge pin body.

A portable information handling system supports a flexible OLED display film over housing portions rotationally coupled by a hinge by folding the OLED display film over the hinge. Hinge brackets that couple to the housing portions each have a helical member that extends into an associated helical guide of the hinge main body. Hinge bracket rotation translates through the helical guides for synchronized housing rotation. The hinge main body has first and second circular portions extending along its length to define first and second rotation axes about which the hinge brackets pivot so that the display film has space to fold in the closed position.

A hair care appliance is provided. The hair care appliance includes a handle and a body coupled to the handle via a rotational hinge joint. The body can be movable via the rotational hinge joint between a straight configuration in which the body is aligned with a longitudinal axis of the handle and a bent configuration in which the body extends along an axis transverse to the longitudinal axis of the handle. A fluid flow path extends between an inlet in the handle and an outlet in the body. The hair care appliance can be operated with minimal loss of fluid flow in either the straight configuration and the bent configuration. The hair care appliance includes a fan assembly in the handle and a heater assembly in the body that are positioned to create a balanced center of mass of the hair care appliance when operated by a user.

A hair care appliance is provided. The hair care appliance includes a handle and a body coupled to the handle via a rotational hinge joint. The body can be movable via the rotational hinge joint between a straight configuration in which the body is aligned with a longitudinal axis of the handle and a bent configuration in which the body extends along an axis transverse to the longitudinal axis of the handle. A fluid flow path extends between an inlet in the handle and an outlet in the body. The hair care appliance can be operated with minimal loss of fluid flow in either the straight configuration and the bent configuration. The hair care appliance includes a fan assembly in the handle and a heater assembly in the body that are positioned to create a balanced center of mass of the hair care appliance when operated by a user.

The utility model discloses a rotary hinge device for installing a solar panel. The rotary hinge device comprises a hinge body and a panel fixer, hinge tables are arranged at the two ends of the hinge body, connecting tables are arranged at the two ends of the sailboard fixing device, the hinge tables and the connecting tables are connected through rotating joints, so that the sailboard fixing device can rotate around the hinge tables, and the rotating joints are sleeved with hinge torsion springs matched with the hinge tables and the connecting tables. The outer end of one rotary connector is further provided with a time sequence torsion spring arranged in the axial direction of the rotary connector. When the solar panel support is used, the solar panel support is fixedly installed on the side face of a satellite structure frame and can be reliably connected with a sailboard. And meanwhile, the rotary joint for rotationally connecting the sailboard is arranged in the hinge main body, so that the flexible rotary connection between the sailboard and the satellite body is realized, and the secondary unfolding requirement of the sailboard is met. A time sequence control structure is further arranged in the hinge to prevent interference and collision in the unfolding process, and the phenomenon of over-unfolding or under-unfolding is prevented.

The invention belongs to the field of material science and metamaterials, and particularly relates to an internal stress self-loading two-rod two-cable tension characteristic negative poisson ratio metamaterial structure which comprises an internal stress self-loading two-rod two-cable tension metamaterial cell element structure and a rotating hinge. The two-rod and two-cable tensioning metamaterial cell element structure capable of automatically loading the internal stress comprises a rigid shell part, a T-shaped rod piece, a pressed elastic assembly, a tensioned elastic assembly and a hydrogel driving assembly. The characteristics of self-stabilization, self-recovery, self-adjustment and the like of the overall tensioning structure are combined, the unique deformation mechanism of the negative Poisson's ratio material is reserved, the local stress concentration effect of a traditional material is overcome, the limitation that the tensioning structure depends on external loading internal stress is broken through, the energy absorption, shock absorption, impact resistance and other performance of the negative Poisson's ratio material are improved, and the tensile strength of the negative Poisson's ratio material is improved. The method is expected to be developed vigorously and can realize application value in multiple fields.

A paddy field mud extruding, ditching and ridging machine comprises a plough straining beam, a V-shaped ditching plough share is installed on the plough straining beam, a ditch bottom forming plate is fixed below the ditching plough share and the plough straining beam, and a left rotating hinge and a right rotating hinge are installed on the left side and the right side of the ditch bottom forming plate respectively. The left rotating hinge and the right rotating hinge are connected with a left ditch wall plate and a right ditch wall plate respectively, and wall plate telescopic devices are connected between the left ditch wall plate and the plough straining beam and between the right ditch wall plate and the plough straining beam. According to the paddy field mud extrusion ditching ridger, the V-shaped ditching plough share is used for front edge ditching, the left ditch wall plate, the right ditch wall plate and the pair of extrusion rollers are used for forming and rolling ditch walls, mud ditches with trapezoidal sections can be formed through rolling, the ditch walls of the mud ditches are not prone to collapsing, the original mud layer structure is not affected, and the mud ditches are not prone to collapse. And the ridge top surface is flat without water accumulation under the rolling of the ridge wings.

The utility model belongs to the technical field of construction hole protection, and particularly relates to a folding type well construction elevator protective door. Comprising a plurality of protective door leaves connected through rotating hinges, the opening and closing directions of the adjacent protective door leaves are opposite, the width of each protective door leaf is equal to the width of an elevator opening / the total number of the protective door leaves, and the protective door leaves located on the two sides are connected with the elevator opening. Wherein the protective door leaf on one side is connected with the elevator opening shear wall through a rotating hinge and a self-tapping screw, the protective door leaf on the other side is connected with the elevator opening shear wall through a lock catch, the lock catch comprises a wall body component and a door leaf component, the door leaf component is installed on the protective door leaf, and the wall body component is installed on the elevator opening shear wall; the problems that when an elevator is used, original protection needs to be disassembled and changed, labor and time are wasted, operation is inconvenient, space is occupied, and follow-up construction is affected are solved.

A weight bench may include a frame, a seat portion, and a back rest portion. The seat and back rest portions may be mounted to the frame using a hinge, allowing rotation between flat and inclined positions. The hinge may include first and second sliding limit hinges for the seat and back rest portions respectively. The seat and back rest portions may substantially abut along a common axis, with a gap of approximately zero. The sliding limit hinges may maintain a constant gap width as the portions rotate between positions. This configuration may allow for smooth adjustment while maintaining a seamless bench surface.

The utility model provides an adjustable rotating hinge water seal device which comprises a water seal seat, a rotating hinge body is arranged on the water seal seat, and the rotating hinge body is rotatably connected with the water seal seat through a hinge shaft. The rotating hinge body is of an integral structure of the water seal support, and an arc-shaped structure suitable for water seal steering is arranged at the end of the rotating hinge body. A spring pre-tightening mechanism is arranged between the top end of the rotating hinge body and the water seal base and used for providing pre-tightening force for the rotating hinge body. A water seal rubber and a water seal pressing plate are arranged between the other end of the rotating hinge body and the gate panel, and the water seal pressing plate, the water seal rubber and the rotating hinge body are fixed through bolts and nuts. The adjustable rotating hinge water seal device is installed on a lintel of a gate groove and makes contact with a gate panel to form a sealing body, the reliable water sealing effect is achieved, the water jetting phenomenon in the gate opening and closing operation process is avoided, a vibration source enabling a gate to vibrate is reduced, the operation environment of equipment is improved, and the service life of the equipment is prolonged. And the reliability and the safety of equipment operation are improved.

The utility model discloses a flexible bending center rotating hinge knife, and belongs to the technical field of flexible bending centers. Comprising a pressing cutter female cutter and a pressing cutter side cutter, and one side of the pressing cutter female cutter is provided with a stepped surface and a curved groove; a cover plate is mounted on the stepped surface; a linear part and a bent part are arranged in the curved groove, and the bent part is arranged towards the middle of the pressing die; a fixing hole is formed in the cutter pressing side cutter, a first pin shaft is installed in the fixing hole, and the first pin shaft penetrates through the fixing hole and slides in the curve groove. A connecting plate and a bearing spring are installed on the upper portion of the cutter pressing side cutter, a second pin shaft is installed at the bottom of the connecting plate, and the connecting plate is connected with the cutter pressing side cutter through the second pin shaft. A connecting pin shaft is installed on the top of the connecting plate and connected with the bottom end of the bearing spring. The utility model solves the technical problem that the blanking interference is caused by the flange of the material pressing die due to the bending caused by the flange when the blanking is carried out after the flanging is generated by the bending of the workpiece.

The utility model provides semiconductor wafer automatic processing equipment, and belongs to the technical field of semiconductor wafer processing. Comprising a thinning machine body, a machining area is formed in the middle of the thinning machine body, a side mounting frame is fixed to one side of the machining area, a thinning mechanism is mounted in the middle of the machining area, and a cleaning mechanism is mounted in the side mounting frame. According to the utility model, through the arrangement of the film pressing protection mechanism, a worker can hold and open the pressing frame by utilizing the mobility of a rotating hinge and a rotating frame, then places the dried semiconductor wafer in a cutting ring groove, and then can synchronously start a third motor and a fifth motor, the third motor can drive a second transmission screw rod to rotate, and the fifth motor can drive a second transmission screw rod to rotate; at the moment, a second lead screw sliding sleeve acting with a lead screw can drive a fixed mounting frame and a rotating rod carried in the middle of the fixed mounting frame to be matched with a guide mounting rod for guiding to conduct film drawing treatment, a film belongs to one end of a blue film outside a film mounting roller, and a fifth motor arranged at one end of the film mounting roller needs to be started to be matched with the blue film for loosening.

The utility model discloses a dangerous object temporary storage warehouse with fireproof and explosion-proof functions, and belongs to the field of dangerous object temporary storage warehouses. The dangerous object temporary storage warehouse with the fireproof and explosion-proof functions comprises a temporary storage warehouse body, a copper plate is arranged on the inner wall of the temporary storage warehouse body, a ceramic plate is arranged on the side, away from the inner wall of the temporary storage warehouse body, of the copper plate, the dangerous object temporary storage warehouse further comprises a rotating hinge, and the rotating hinge is arranged on the outer surface of the temporary storage warehouse body. An anti-explosion door is arranged at the movable end of the rotary hinge, a resin plate is arranged on the anti-explosion door, a door lock is arranged on the side, away from the resin plate, of the anti-explosion door, and a locking bolt is arranged on the door lock. The utility model solves the problems that in the actual use of the existing dangerous temporary storage warehouse, if some explosives are stored in the temporary storage warehouse and the explosives are ignited due to external factors, the temporary storage warehouse cannot seal the energy generated by explosion in the temporary storage warehouse, so that the explosion energy leaks, and the external workers are possibly injured by explosion.

The invention belongs to the technical field of sail-shaped cable-stayed bridge construction, and relates to a long and thin structure arched steel tower installation method which comprises the steps that a bridge lower structure and a main tower are constructed, and an auxiliary tower root embedded section, a top connecting piece and related construction components are embedded in the main tower; during main tower construction, an attached tower fixing section and a main beam are synchronously installed, and the attached tower fixing section is fixedly connected with the main tower through welding and a steel truss set; a support is erected on a girder bridge floor, tower-attached sections are assembled according to the inverted arch posture, the pre-bias value and the pre-camber are preset, and rotating hinges are installed; a vertical rotating cable, a back cable and a cable wind cable which are made of steel strands are arranged, and testing is completed; one-time vertical rotation welding of one section of the attached tower is achieved through synchronous traction of a continuous jack, and then secondary vertical rotation is conducted on the whole section of the attached tower; after vertically rotating in place, welding and fixing, and dismounting related equipment and a bracket; the invention aims to solve the problems of high overhead operation risk, difficulty in control of construction precision, large temporary support investment, low work efficiency and insufficient adaptability of a traditional mounting method.

The application discloses a kind of basket type steel arch bridge arch rib segmented lifting system and method, lifting system includes arch rib assembly support, lifting support and setting on lifting support lifting jack group;Arch rib assembly support is erected on the top surface of the arch bridge girder that has been formed and the support height everywhere just meets the assembly of one pair of side arch rib segments and the middle arch rib segment on the top surface of the arch bridge girder;The outer end of the pair of side arch rib segments is rotatably connected to the set position of arch foot by rotating hinge;The lifting support is provided with a pair of and vertically arranged on the design lifting point of the top surface of the arch bridge girder, and the lifting jack group is arranged on the lifting support, which is used to lift the inner end of the pair of side arch rib segments and the two ends of the middle arch rib segment, so that the inner end of the pair of side arch rib segments and the two ends of the middle arch rib segment correspond to closure after lifting in place.The application reduces the height of support and the risk of typhoon load, simplifies the construction equipment investment, improves the stability of arch rib lifting process, alignment accuracy and construction efficiency.

The utility model relates to the technical field of anode carbon block production, in particular to a floating knife rest for carbon block surface cleaning, which comprises a knife rest and a knife rest fixing frame, a first end of the knife rest is connected with a first end of the knife rest fixing frame through a rotating hinged support, and a second end of the knife rest is connected with a second end of the knife rest fixing frame through a floating oil cylinder. The knife rest comprises a fixed seat and a plurality of scraper assemblies fixed on the fixed seat, and each scraper assembly comprises a connecting seat, a scraper and an elastic pressing mechanism. During working, the scraper can always keep extrusion force on the surface of a carbon block by adjusting the oil cylinder according to adhesive particle adhesion conditions, cutting strength is guaranteed, deformation and size errors after roasting of the carbon block are automatically adapted through the arrangement of the elastic pressing mechanism, certain pressure is generated on the surface of the carbon block, and the carbon block is prevented from being scraped. Colloidal particles and scum can be scratched more easily, and carbon blocks are not scratched.

The utility model discloses a trapezoid combined type crossing frame which comprises a plurality of trapezoid crossing frame units, the bottoms of the trapezoid crossing frame units are installed on a supporting base through 90-degree rotating hinges, and the supporting base is inserted into the ground through an expansion ground anchor to be fixed. The adjacent trapezoidal crossing frame units are connected through the cross beam modules; wherein the trapezoidal spanning frame unit at the outer end of one side is connected with a traction module for converting the spanning frame from a folded state to a vertical state; according to the utility model, the traction module is arranged to be matched with the trapezoidal spanning units hinged to the supporting base, so that the overhead working amount is reduced, the spanning frame can be pre-assembled on the ground, the assembling efficiency is improved, the construction period is effectively shortened, and the trapezoidal spanning frame units are in a folded state; a steel wire rope in the traction module pulls the crossing frame in the folded state to be in the vertical state, and the wires can be effectively protected.

The utility model discloses a cargo protection device for logistics, which relates to the technical field of logistics transportation, comprises a protection box main body and a protection box door adapted to the protection box main body, wherein an installation cavity is arranged in the protection box main body, the installation cavity runs through the front end of the protection box main body, the protection box door is arranged at the front end of the protection box main body, and one end of the protection box door is hinged to one side of the protection box main body through a pair of rotating hinges, and the other end is detachably connected to the protection box main body through a locking assembly, a pair of buffer mounting plates and a plurality of partition plates are arranged in the installation cavity, the pair of buffer mounting plates are respectively arranged at both sides of the installation cavity, the plurality of partition plates are arranged between the pair of buffer mounting plates, connecting plates are respectively arranged at both ends of the partition plates, and the connecting plates at both ends of the partition plates are respectively connected to the pair of buffer mounting plates through detachable bolts, thereby solving the problem that the internal space of the current cargo protection device for logistics cannot be adjusted when in use, and cannot be applied to the transportation of a variety of cargoes.

The utility model belongs to the technical field of landscaping maintenance tools, and particularly relates to a pair of garden tree shears with a clamping shear structure. The clamping shear head and the double-cutting tool bit are arranged, and the existing technical defect that branches slide when being sheared in the shear head is overcome. Comprising a tool bit assembly and handle assemblies, the tool bit assembly comprises a limiting tool bit and a cutting tool bit, and the tail end of the limiting tool bit and the tail end of the cutting tool bit are each connected with one handle assembly; the cutting tool bit comprises a cutting connecting rod, a front cutter and a back cutter, the cutting connecting rod is connected with the front cutter, the limiting tool bit is provided with a rotating hinge shaft to enable the front cutter to be arranged on the front face of the limiting tool bit, the limiting tool bit further enables the back cutter to be arranged on the back face of the limiting tool bit, and the front cutter and the back cutter rotate together under connection of the rotating hinge shaft. The double-cutter-head cutting scissors are provided with the clamping scissors head and the double-cutter-head, the double-cutter-head is of a novel structure that a front cutter body and a back cutter body are arranged on a cutting positioning shaft, the limiting cutter head structure is of a sectional structure, the flexible use range is wide, and a unique clamping hook is further arranged.

The application discloses a clamp removing forceps and a jaw thereof, which is used for untying a ligature clamp, the ligature clamp comprising a first clamp arm and a second clamp arm connected by a rotating hinge, the first clamp arm being provided with a first protruding column, and the second clamp arm being provided with a second protruding column; the jaw comprising an upper jaw blade, a lower jaw blade and a pushing piece, the upper jaw blade and the lower jaw blade being openable and closable, the upper jaw blade and the lower jaw blade being respectively provided with a limiting groove and a limiting table, the limiting groove being used for positioning the first clamp arm and the second clamp arm when the ligature clamp is closed, and the pushing piece being used for pushing the ligature clamp when the ligature clamp is opened and for clamping the first protruding column and the second protruding column into the limiting table of the upper jaw blade and the limiting table of the lower jaw blade respectively. The jaw of the clamp removing forceps is provided with the limiting table and the limiting groove in the jaw blade, and the pushing piece is used for assisting, so that the operation difficulty and the damage risk of the ligature clamp are reduced.

The utility model discloses a topping energy gathering pipe expansion fixing device which comprises an energy gathering pipe body, three pressure adjusting type fixing structures with the same structure are installed at the front end of the outer wall face of the energy gathering pipe body, and an installation supporting structure is installed at the rear end of the energy gathering pipe body. Each of the three pressure adjusting type fixing structures comprises a rotating hinged support, a supporting rod, a mounting groove, a fixing block, a sliding support, a sliding groove, a moving block, a compression spring and a connecting supporting rod. The utility model relates to the technical field of blasting energy-gathering pipes, and solves the problems that the existing top-cutting energy-gathering pipe is directly plugged into a blasting hole formed in the inner wall of a mine hole during installation, and the size of the energy-gathering pipe is different from that of the blasting hole, so that the energy-gathering pipe is easy to slip off from the blasting hole, and the top-cutting blasting effect is influenced.

The utility model belongs to the technical field of vehicle electric doors, and particularly relates to an electric door switch driving mechanism which comprises a driving assembly and a driving hinge, the driving assembly comprises a motor support, a motor installed on the motor support, a reduction gearbox connected with the output end of the motor and a coupler in linkage with the output end of the reduction gearbox, the motor support is fixedly connected to a vehicle door, the driving hinge comprises a vehicle frame hinge and a vehicle door hinge, the vehicle frame hinge is fixedly connected to a vehicle frame, the vehicle door hinge is fixedly connected to the vehicle door, and the coupler penetrates through the vehicle frame hinge and the vehicle door hinge to form a rotating hinge with the coupler as a rotating shaft. The driving hinge is directly driven by the driving assembly composed of the motor, the reduction gearbox and the coupler to open and close the automobile door, the driving assembly is simple and compact in structure, space is saved, the use space of the automobile door is increased, meanwhile, redundant structural components such as a lead screw nut and a connecting rod are not needed, assembling is easy, and output efficiency is high.

1. Name of the product in this design: Hinge (90 degrees). 2. Purpose of this design: As a rotating hinge connector for doors in furniture. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention relates to a turbofan engine having a fixed structure, a fan, a fan casing surrounding the fan, an outer nacelle arranged around the fan casing and mounted hinged on the fixed structure, and a deployment system (250) for moving the outer nacelle from a closed position to an open position, and the deployment system has a guide rail (252) fastened around the fan casing, a slider (254) movable along the guide rail (252) and having a shoe (258), an activation system for moving the slider (254) and the shoe (258) in one direction or in the other direction along the guide rail (252) alternately, and an arm (264) having one end mounted hinged on the shoe (258) and the other end mounted hinged on the outer nacelle. Such motorized deployment system makes it possible to save space and mass of the turbofan engine.

A folding machine for folding a sheet comprises at least one folding fence, at least two folding rollers, at least one sheet diverter adjustably arranged between a first position and a second position, and a linkage mechanism for adjusting the sheet diverter. The connecting rod mechanism is constructed to be a six-component guide mechanism and comprises the following elements: a multi-component crank rocker which comprises a crank with a crank point, a rocker and a first connecting rod, a first rotating hinge fixed on the rack, a second rotating hinge fixed on the rack, a third rotating hinge with a hinge point and a fourth rotating hinge with a hinge point; the double connecting rods are guided by the crank point and the hinge point and comprise a second connecting rod, a third connecting rod, a fourth rotating hinge serving as a double rotating hinge, and a fifth rotating hinge and a sixth rotating hinge located at the crank point. The page diverter is arranged on the second link at a fixed point. According to the invention, the page steering gear can move between two limited positions and is locked at one of the two limited positions. The invention is preferably used for industrial folding machines.

This application relates to a welding positioning device and method for a heat exchanger. The welding positioning device includes a first frame, a limiting part, and a supporting part. The limiting part is located on one side of the first frame along a first direction and includes at least one first limiting member. The limiting direction of the first limiting member is parallel to a second direction, where the first direction is the height direction of the first frame and the second direction is the length direction of the first frame. The supporting part is arranged opposite to the limiting part and includes a first supporting member, a rotary hinge, and a second supporting member. The first supporting member is movably connected to the first frame and can move relative to the first frame along the first direction. The rotary hinge connects the first supporting member and the second supporting member, and the second supporting member can rotate relative to the first supporting member by a preset angle with the rotary hinge as the fulcrum. This welding positioning device can improve the positioning accuracy of the manifold on the side to be welded, facilitating automated identification and welding.

The embodiment of the utility model provides a central air conditioner air supply outlet blocking device, and relates to the technical field of central air conditioners, the central air conditioner air supply outlet blocking device comprises a blocking plate, the blocking plate comprises a mounting frame used for supporting and a rotating hinge rotationally mounted in the mounting frame, and an adjusting unit is arranged in the middle of the mounting frame. A driving device drives a second bevel gear installed at the upper end to rotate, then a first bevel gear drives a connecting rod to rotate, the connecting rod drives an adjusting worm fixedly installed at the upper end to rotate and an adjusting worm wheel installed on one side in a meshed mode to rotate, and then the installation angle of a rotating hinge can be adjusted; and the inner sides of the rotating blades are arranged in an arc shape, the air direction can be guided, the air outlet direction of the air conditioner can be conveniently adjusted, and use is more flexible.

The application discloses a solar sail installation rotating hinge device, which comprises a hinge body and a sail fixator. The hinge body is provided with hinge tables at both ends, the sail fixator is provided with connecting tables at both ends, the hinge tables and the connecting tables are connected through rotating joints, the sail fixator can rotate around the hinge tables, the rotating joints are sleeved with hinge torsional springs matched with the hinge tables and the connecting tables, and one connecting table is further provided with a time sequence torsional spring at the outer end. The application is fixedly installed on the side surface of a satellite structure frame and can be reliably connected with the sail when in use. Meanwhile, the rotating joints for rotating and connecting the sail are built in the hinge body, flexible rotating connection between the sail and the satellite body is realized, and the secondary expansion requirement of the sail is supported. The hinge is further provided with a time sequence control structure to prevent interference and collision in the expansion process and prevent over-expansion or under-expansion.

The invention relates to an unwinding mechanism capable of adjusting an included angle between rollers, and relates to the technical field of material processing equipment.The unwinding mechanism comprises an upper guide roller used for supporting and guiding a flexible film; the lower guide roller is used for supporting and guiding the flexible film; the inter-roller included angle adjusting mechanism comprises an angle-adjustable support and an auxiliary swing arm, the upper guide roller is fixed to the tail end of the auxiliary swing arm, the lower guide roller is fixed to a basic support, and the auxiliary swing arm is connected with the angle-adjustable support through a rotating hinge; and the executing mechanism is used for driving the auxiliary swing arm to rotate or lift, so that the inclination angle of the upper guide roller relative to the lower guide roller is changed, the included angle between the upper guide roller and the lower guide roller is adjusted, and the material tension distribution and the belt conveying direction are controlled. According to the invention, the tension distribution of the flexible film can be accurately controlled, wrinkles can be effectively eliminated, and the belt conveying direction can be adjusted, so that the material processing quality and the production efficiency can be improved.