78results about How to "Low installation space requirement" patented technology

The invention discloses injection molding equipment and an injection molding method thereof, and belongs to the technical field of injection molding. The injection molding equipment comprises a counter, an injection molding machine and a forming mold, one end of the counter is provided with the forming mold, the other end is provided with the injection molding machine, one end of the injection molding machine abuts against the forming mold, the other end is provided with a hopper, and a heating mechanism is arranged between the two ends; an injection molding machine comprises a first injection molding section, a driving section, a pushing section, a second injection molding section and a nozzle which are sequentially connected and communicated, the nozzle abuts against a forming mold, and a hopper is arranged on the first injection molding section; the injection molding equipment has a very good homogenizing effect on molten plastic, can remove insoluble impurities or incompletely molten raw materials contained in fluid, can play a very good filtering role, avoids blockage, prolongs the service life of the injection molding equipment, improves the production efficiency of the injection molding equipment, and protects the precision and stability of the injection molding equipment.

The invention relates to the technical field of loading equipment, in particular to a quantitative loading system which comprises a feeding device, a quantitative bin, a weighing sensor and a weighing controller, the feeding device is installed at a bin opening in the bottom of a stock bin, the quantitative bin is arranged on the lower portion of the feeding device, the quantitative bin is connected with a foundation through the weighing sensor, and the weighing controller is connected with the weighing sensor. The weight of the quantitative bin is measured through the weighing sensor, the weighing sensor is electrically connected with the weighing controller, the feeding device comprises a feeding gate, the feeding gate controls feeding into the quantitative bin, a discharging gate is arranged at the lower end of the quantitative bin, and materials in the quantitative bin can be discharged when the discharging gate is opened. The weighing precision is high, the stability is good, the first quantitative bin and the second quantitative bin which are independently arranged are arranged in this way to conduct quantitative weighing and loading in a circulating mode, the loading efficiency is high, the double-quantitative-bin structure of the quantitative bin moving mechanism is adopted, the height of the feeding device is reduced, and the requirement for the installation space is lowered.

The invention provides a forcing device for a rotating shaft system. The forcing device comprises a supporting unit and an axial force loading unit. The supporting unit comprises a portal frame and a bearing sleeve unit. The bearing sleeve unit comprises a bearing sleeve and two double-row angular contact ball bearings. The axial force loading unit comprises an axial loading sleeve, a small round nut, a variable-pitch compression spring, an axial force sensor and a buffer sleeve, the axial force sensor abuts against the side face of the bearing sleeve unit, the buffer sleeve is connected with the other face of the axial force sensor, and the variable-pitch compression spring is arranged on the buffer sleeve in a sleeving mode; the axial loading sleeve is connected with the portal frame through a small round nut and abuts against one end of the variable-pitch compression spring. And the displacement direction of the axial force loading unit is parallel to the rotating shaft system. Through the combination of the buffer sleeve and the variable-pitch compression spring, the axial force is uniformly and gently applied to the loading shaft, and the application of the axial force is precisely regulated and controlled.

The utility model discloses a gearbox for an oil-electricity double-engine ship. The gearbox comprises a box body, the diesel oil input component comprises a first input shaft, a first driving gear is sleeved on the first input shaft, and the first input shaft is provided with a first transmission gear and a first clutch; the reversing shaft part comprises a reversing shaft, a second driving gear is sleeved on the reversing shaft, the reversing shaft is provided with a second transmission gear and a second clutch, and the second transmission gear is meshed with the first transmission gear; the motor input component comprises a second input shaft, the second input shaft is sleeved with a third driving gear in an empty mode, the third driving gear is meshed with a first driven gear, the second driving gear is fixedly sleeved with the first driven gear, and the second input shaft is provided with a third clutch; the output shaft component comprises an output shaft and a second driven gear, and the second driven gear is meshed with the first driving gear and the second driving gear. According to the scheme, the diesel engine or the motor is independently used for driving, intelligent switching of the diesel engine and the motor can be achieved at any speed, oil consumption is reduced, and power performance is improved.

The invention discloses an aero-engine flexible spline coupling with an elastic clamping tongue, and belongs to the technical field of aero-engines. The coupler comprises a fan shaft, a low-pressure turbine shaft, a centering compensation part, a locking part and an elastic clamping tongue, the fan shaft is a hollow shaft, an annular boss is integrally formed in the fan shaft, one end of the low-pressure turbine shaft is inserted into the fan shaft, is in sliding connection with the annular boss and is in transmission connection with the fan shaft, and the other end of the low-pressure turbine shaft is in transmission connection with the locking part. The centering compensation part is located in a radial gap between the fan shaft and the low-pressure turbine shaft, the locking part is arranged on the low-pressure turbine shaft in a sleeving mode, the centering compensation part and the annular boss jointly conduct axial limiting on the centering compensation part, and the elastic clamping tongue is located in a radial gap between the locking part and the low-pressure turbine shaft and conducts rotation stopping on the locking part and the low-pressure turbine shaft. The elastic clamping tongue can bear larger shearing force, and locking of the locking piece is more reliable and effective. And the centering compensation piece is not easy to wear and long in service life. The whole assembling process of the coupler is simple.

The broadcast loudspeaker for campus monitoring is located at the rear end of the loudspeaker body and connected with the loudspeaker body, the sound source terminal processing module and the image terminal processing module are arranged in the broadcast loudspeaker, and image and sound information is processed through the sound source terminal processing module and the image terminal processing module; and the loudspeaker main body can be controlled to perform related operation. The broadcast loudspeaker has the advantages that the sound pick-up, the camera and the like are combined and installed to form an integrated structure, homework such as student information input, student learning supervision and the like can be independently completed, control instructions of students and shooting homework of the students can be completed, and the sound pick-up, the camera and the like can be conveniently and rapidly installed during installation. The integrated structure is convenient for workers to install, has lower requirements on the installation space, and is more practical and convenient.

The utility model provides an arm support connecting structure and a crane, the arm support connecting structure is characterized in that an arm support assembly comprises a balance arm and a cargo boom, the outer side wall of the balance arm and the outer side wall of the cargo boom are respectively provided with a mounting pin, and the mounting pins extend along the arm width direction of the arm support assembly; two mounting holes are formed in the movable clamping plate, and the two mounting pins are used for correspondingly penetrating through the two mounting holes respectively; and the anti-falling limiting piece is detachably connected with the mounting pin and is used for limiting the movable clamping plate on the mounting pin. According to the arm support connecting structure, the balance arm and the cargo boom are connected through the movable clamping plate, a matching structure of a male joint and a female joint in the prior art is omitted, the balance arm and the cargo boom can be disassembled and assembled only by penetrating the mounting pin through the mounting hole and detachably connecting the mounting pin with the anti-falling limiting piece, and the arm support connecting structure is convenient to mount and high in practicability. The operation of violently penetrating and pulling the pin when the cargo boom is assembled and disassembled is omitted, the requirement for the installation space is low, quick assembly and disassembly can be achieved, and the assembly and disassembly efficiency is high.

The utility model relates to the technical field of hardware for doors, and discloses a door stopper, which comprises a door stopper seat, a door stopper and a door stopper, the damper is fixedly arranged in the mounting groove; the spring bolt is hinged in the mounting groove through a first shaft, and a limiting groove is formed in the outer end of the spring bolt; one end of the connecting rod is hinged to the telescopic end of the damper through a second shaft, and the other end is eccentrically hinged to the spring bolt through a third shaft; the first spring is arranged in the mounting groove and applies acting force towards the spring bolt to the telescopic end; a limiting shaft capable of entering the limiting groove is arranged on one side of the door suction head; when the third shaft is located on one side of the connecting line of the first shaft and the second shaft, the limiting groove faces the limiting shaft. When the door stopper seat and the door stopper head get close to each other, the limiting shaft enters the limiting groove and drives the spring bolt to rotate until the third shaft is located on the other side of the connecting line of the first shaft and the second shaft. According to the door stopper, large impact force generated on the door stopper head and the door stopper seat during locking can be reduced, and meanwhile the door stopper is simple in structure, small in size and low in manufacturing cost.

A frame lamp assembly easy to install comprises a frame lamp body, a keel frame and a power source device, one side of the frame lamp body is a light-emitting face, the other side of the frame lamp body is an installation face, the installation face is detachably installed on the keel frame, the keel frame at least comprises a vertical plate, the vertical plate is provided with an installation protruding strip, and the installation protruding strip is provided with a light-emitting face. The power supply device is at least provided with an elastic buckle matched with the installation protruding strip. The power supply device is installed on the installation protruding strip of the keel frame through the elastic buckle, installation and disassembly efficiency is improved, more convenience is achieved, screws are prevented from being exposed, the overall attractiveness of the frame lamp assembly is improved, the requirement of the elastic buckle for the installation space is small, and installation is convenient.

The invention discloses a clamshell type earphone box. A connecting piece of the clamshell type earphone box comprises a shell, the mover is fixedly connected with the box cover, the stator is installed in the box body in an embedded mode, a containing groove is formed in the upper surface of the stator, a through hole communicated with the containing groove is formed in the box body, the mover is rotatably installed on the inner wall of the containing groove, and the elastic piece comprises a first connecting rod, a second connecting rod and an elastic rod. The first connecting rod and the second connecting rod are arranged in a crossed mode, the elastic rod is connected with the rotor, the two ends of the elastic rod are connected with one end of the first connecting rod and one end of the second connecting rod respectively, and the other end of the first connecting rod and the other end of the second connecting rod are fixedly installed on the inner walls of the left side and the right side of the containing groove respectively. And the elastic rod, the first connecting rod and the second connecting rod jointly form a structure shaped like a Chinese character'yi '. According to the flip type earphone box, on the basis that the assembly process is simplified, the requirement for the installation space is lowered, and the overall size of the flip type earphone box can be reduced.

The present application relates to a lean-burn hydrogen engine system and a control method thereof, wherein two intake pipes are connected in parallel between an outlet of an electric compressor and an inlet of an intercooler, and the intercooler is connected to the inlet of the hydrogen engine; the intake pipe comprises a flow valve and a mechanical compressor connected in sequence; two exhaust gas boost pipes are connected in parallel to a vehicle aftertreatment system, and are both connected to an exhaust gas recirculation pipe connected to the inlet of the hydrogen engine, and a high-pressure EGR valve is provided on the exhaust gas recirculation pipe; a vehicle ECU is connected to the electric compressor, the flow valve and the high-pressure EGR valve signal; the electric compressor replenishes the intake volume of the two intake pipes to meet the air-fuel ratio requirement of the hydrogen engine, and the combustion state in the cylinder of the hydrogen engine is adjusted by setting up two exhaust gas boost pipes and exhaust gas recirculation technology, in combination with the electric compressor and the flow valve, to avoid abnormal combustion problems that frequently occur under medium and high loads, taking into account both high and low speeds, and also having the effect of reducing the requirement for installation space.

The utility model provides an armrest box assembly and a vehicle. The armrest box assembly comprises a box body, an elbow pillow cover plate and a driving unit, wherein the elbow pillow cover plate is arranged at the top of the box body in a turnover opening and closing mode, and the driving unit is arranged between the box body and the elbow pillow cover plate. The driving unit comprises a gear seat fixedly arranged on the box body and an elastic piece elastically acting between the gear seat and the elbow pillow cover plate; a plurality of gear connecting parts are arranged on the gear seat, and the elastic piece is selectively connected to a certain gear connecting part and can apply uncovering driving force to the elbow pillow cover plate; the size of the cover opening driving force can be changed by changing the gear connecting part connected with the elastic piece. According to the armrest box assembly, the position of an acting point of the elastic piece on the gear seat is changed by changing the gear connecting part connected with the elastic piece, the size of cover opening driving force can be adjusted, and therefore the automatic opening speed of the elbow pillow cover plate can be changed.

The utility model relates to the technical field of aluminum plate screen installation, and discloses a hollowed-out aluminum plate screen installation fixing device which comprises a main body assembly and a hollowed-out aluminum alloy single plate, a steel framework is arranged on one side of the hollowed-out aluminum alloy single plate, an auxiliary frame is movably connected to the steel framework, a hanging bolt is arranged on the auxiliary frame, and the main body assembly is connected with the hollowed-out aluminum alloy single plate. A steel sleeve is fixed on the steel framework, a sleeve base is arranged on one side of the steel sleeve, an embedded part is fixed on one side of the sleeve base, and a main body structure is arranged on one side of the embedded part. The aluminum plate screen has the advantages that the modularized screen units are firstly assembled in a factory, the embedded parts are installed at the corresponding positions of a construction site in advance, then the screen units are hoisted to the preset positions, the screen units are assembled through the movable steel inserting cores and the limiting bolts, the screen units and the embedded parts can be stably connected, and therefore installation of the aluminum plate screen is completed. Modularized arrangement facilitates transportation, meanwhile, the requirement for installation space is not high, and therefore installation and detachment are convenient, and construction efficiency is improved.

The utility model relates to the technical field of waste heat power generation, in particular to a waste heat power generation DCS control assembly. According to the technical scheme, the waste heat power generation DCS control assembly comprises a fixing base, a DCS monitor, grooves and a fixing block, a mounting groove is formed in the fixing base, the fixing base is fixed to a plane by mounting bolts at the mounting groove, the grooves are formed in the positions, located on the two sides of the mounting groove, of the fixing base, and the DCS monitor is arranged in the grooves. A convex block is arranged at the position, located in the groove, of the surface of the fixing base, a DCS monitor is installed in the installation groove of the fixing base, a touch screen is arranged on the DCS monitor, containing grooves are formed in the two sides of the DCS monitor, fixing blocks are rotationally installed in the containing grooves, fixing grooves are formed in the fixing blocks, and the DCS monitor is arranged in the containing grooves. The DCS monitor is clamped and limited on the fixing seat through the fixing groove of the fixing block and the protruding block of the fixing seat. The device is simple in structure, is convenient to use, and can rapidly install and fix the monitoring equipment of the DCS, thereby improving the maintenance efficiency.

The utility model discloses a wafer scanning device which comprises a reflection sensor and a reflection plate, and the reflection sensor can receive signals reflected by the reflection plate. The interfaces T1 to T4 are used for transmitting signals IN-1 to IN-4 of the reflection sensor to the chip U1; the interface P1 is used for sending a signal OUT-1 and a signal OUT-2 of the chip U1 to an original interface of equipment, and the interface P4 is used for sending a signal OUT-3 and a signal OUT-4 of the chip U1 to the original interface of the equipment. The device is suitable for etching equipment, thin film deposition equipment and the like, adopts a reflection sensor and a special processing circuit, can process wafers made of different materials such as Si, SiC and the like, and is simple to adjust, low in cost and high in stability.

The utility model discloses a multi-way valve with a sealed end face, and relates to the technical field of multi-way valves. Comprising a valve body, a valve cavity is formed in the middle of the valve body, a plurality of valve ports are distributed in the circumference of one end of the valve body, and the valve ports communicate with the valve cavity; the valve element is arranged in the valve cavity, a driving shaft of the valve element is sealed and rotationally connected with the valve body, the valve element is provided with a plurality of flow channels, and flow channel openings of the flow channels directly face the end, provided with the valve port, of the valve body; the sealing gasket is embedded in the inner side of the end, provided with the valve ports, of the valve body, the sealing gasket can seal a gap between the valve element and the valve body, the sealing gasket is provided with a plurality of flow guide ports, and the flow guide ports correspond to the valve ports one to one; and after the valve element rotates by a set angle, the flow channels in the valve element can communicate with the corresponding valve ports according to the corresponding flow path communication modes. The utility model has low leakage failure rate.

The utility model discloses a kind of transverse slide guiding device, including two support end frames and two track plates, two the track plate between being provided with two split slide, two The split slide is engaged and connected in the outer side of two track plates, two The support end frame between rotationally connected with screw rod, the screw rod is between two The track plate, one of the support end frame outer side is equipped with the drive portion to the screw rod drive, two The split slide opposite side is all provided with threaded hole, the screw rod is threaded between two The threaded hole connection;By adopting the structure of split slide, when assembling, the axial passage of guiding element is not opened by disassembling the limiting structure of guiding device end portion, but two split slides can be directly engaged and installed to the outer side of track plate from the side of track plate, to realize detachable connection between split slide, complete the assembly of end plate and split slide.

The automatic continuous laminating device comprises a movable lifting mechanism, an unwinding mechanism, a winding mechanism and an electric cabinet, one end of the double-sided adhesive tape is connected with the unwinding mechanism in a winding mode, and the other end of the double-sided adhesive tape sequentially penetrates through an adhesive breaking mechanism, an elastic compression roller mechanism and a supporting roller assembly and is connected to the winding mechanism. The supporting roller assembly and the winding mechanism are connected with the power mechanism. The constant linear speed structure is used for keeping the constant speed of the double-sided adhesive tape; and the torsion self-sliding structure is used for preventing the unwinding mechanism and the winding mechanism from freely rotating. According to the automatic continuous gluing device for the double-faced adhesive tape with the specified length, the gluing length can be freely set, the shutdown time of manual gluing is shortened, automatic intelligent manufacturing of a production line is achieved, and data continuity automation in the whole process from beginning to end of gluing of the double-faced adhesive tape is achieved.

This invention discloses a self-locking anti-theft tensioning device, including a tensioning wheel, a mounting component, a driving component, a locking component, and a transmission mechanism. The tensioning wheel is rotatably mounted on the mounting component for tensioning the chain belt. The output end of the driving component is connected to the input end of the transmission mechanism, and the output end of the transmission mechanism is connected to the locking component, for driving the locking component to move in a preset direction to press and fix the chain belt onto the outer edge of the tensioning wheel. Thus, in the absence of a fixed anchor, the chain belt can be pressed and fixed onto the tensioning wheel by the locking component, achieving a dynamic lock on the front and rear wheels, and consequently, locking the vehicle. This chain belt locking method is not only convenient but also eliminates the need for an external vehicle lock, significantly reducing the installation space requirements on the vehicle frame. Even if someone forcibly steals the entire vehicle, it cannot be driven normally, thus reducing the risk of vehicle theft. This invention also discloses a vehicle with the beneficial effects described above.

This invention relates to the field of electric strut technology, and more particularly to an electric strut with a flexible transmission structure. It solves the problems of low applicability and limited position of retraction movement in electric struts. This electric strut with a flexible transmission structure transforms the traditional rigid transmission between the motor and the screw nut into a flexible transmission, thereby significantly reducing the fixed length of the electric strut, improving its installability, and by setting a limiting module to limit the extension and retraction of the electric strut, it prevents reverse movement during extension or retraction, ensuring stability at any position.

The utility model relates to the technical field of fluid viscosity detection, in particular to a capillary viscometer which comprises a viscometer body, a first wrapping part, a second wrapping part, a heat tracing pipe and a detection assembly. Two sections of material conveying passages are arranged in the viscometer body and are used for circulating detected fluid, the first wrapping piece and the second wrapping piece are used for wrapping the viscometer body, and the heat tracing pipe is used for heating or cooling the detected fluid; according to the capillary viscometer disclosed by the utility model, the capillary viscometer is integrally designed through the matching effect of all the components, the arrangement of excessive connecting components is avoided, the leakage of materials or heating media due to high temperature is prevented, meanwhile, the heat control of the whole section of viscometer body is realized, and the blockage caused by the cooling of detected fluid in the material conveying passage is prevented.

The utility model discloses a progressive cantilever beam front end self-jacking device, which comprises jacking equipment, a jacking channel, a base, a pin shaft and a jacking section, the jacking equipment is vertically arranged at the top of the jacking channel, the jacking section is arranged in the jacking channel, the base is connected with the end part of the jacking section through the pin shaft, and the base is connected with the jacking section through the pin shaft. The jacking sections comprise a first jacking section and a plurality of second jacking sections, the first jacking section is of a hollow structure, the second jacking sections can be installed on the first jacking section, two first through holes are formed in the side walls of the two sides, close to the top end, of the first jacking section correspondingly, and the first through holes are communicated with the first jacking section. And a second through hole is formed in the side wall of the second jacking section. The second jacking section is arranged and tightly attached to the first jacking section, upward extension of the height of the first jacking section is achieved, and the problem that under the large-span condition, due to the fact that the jacking stroke of jacking equipment is limited, the guide beam cannot reach the target elevation is solved.

The oil gas recovery pump comprises a vacuum pump and a motor, and the vacuum pump comprises a floral wheel, a pump main shaft and a pump base which are coaxially arranged. According to the oil gas recovery pump, the housing is arranged at the second end of the pump main shaft, the housing and the pump main shaft are of an integral structure, and the housing synchronously rotates along with the pump main shaft. The position of the housing corresponds to the positions of a bearing and an isolation block arranged on a pump main shaft in the prior art, specifically, a bearing assembly is arranged outside the housing and used for circumferentially supporting the housing so as to improve the working stability of the pump main shaft, and meanwhile a coupler is arranged in the housing and used for achieving connection of the second end of the pump main shaft and a motor. According to the scheme, the coupler is arranged in the housing and corresponds to the position of the bearing assembly, compared with the prior art, the length of the pump main shaft is shortened, the overall length of the oil and gas recovery pump is correspondingly shortened, the size of the oil and gas recovery pump is further reduced, and the requirement of the oil and gas recovery pump for the installation space is lowered.

The invention provides an air handling unit and a control system thereof, and relates to the technical field of air conditioning equipment, the air handling unit comprises an air return pipe and an air supply pipe, the air return pipe sleeves the air supply pipe, an air return channel is formed between the air return pipe and the air supply pipe, indoor air is conveyed from the indoor to the outdoor through the air return channel, and outdoor fresh air is conveyed from the outdoor to the indoor through the air supply pipe; an air return fan and an air return valve are sequentially arranged in the air return channel from the input end to the output end of indoor air. An air supply valve, a filter, a cooling coil, a heating coil and an air feeder are sequentially arranged in the air supply pipe from the input end to the output end of outdoor fresh air, and a first telescopic pipe and a second telescopic pipe which can stretch out of the air return pipe are further arranged at the two ends of the air supply pipe correspondingly. Through the compact structural design and the efficient heat exchange mechanism, many problems existing in a traditional air handling unit are effectively solved.

A swing arm is sleeved on a driving shaft, the other end of the swing arm is hinged to one end of a connecting rod, the other end of the connecting rod is hinged to a knife switch, the knife switch is hinged to a knife holder, and the driving shaft drives the knife switch to switch among three states of opening, closing or grounding through the swing arm and the connecting rod. When the switch is in a closing position or a grounding position, better force application angles are formed between the swing arm and the connecting rod, between the connecting rod and the switch blade and between the swing arm and the switch blade, and the switch blade can obtain larger torque, so that the switch blade is easy to open in the closing position or the grounding position.

The invention relates to a brake assembly (1, 1 ', 1' ', 1' '', 1'' '''') for a vehicle, comprising: a brake disc (10, 10 ',..., 10 '''' '''') rotatable about an axis of rotation (R); at least one service brake assembly (30; 30 ', 30' ', 30 '''') comprising at least one service brake lining (32, 32', 32 '', 32'' '') and configured to apply a service braking force on a radial surface side of the brake disc (10, 10 ',..., 10'' '''' '') wherein the at least one service brake lining (32, 32', 32'', 32 '''') is axially movable relative to the axis of rotation (R) and comprises a service brake braking surface facing the radial surface side of the brake disc (10, 10 ',..., 10 '''' '') to apply a service braking force; and at least one parking brake assembly (20; 20 ', 20' ', 20 '''') comprising at least one parking brake lining (22, 22', 22 '', 22'' '',..., 22'' '''') and configured to exert a parking braking force on said or another radial surface side of the brake disc (10, 10 ',..., 10 '''' '''') wherein said at least one parking brake lining (22, 22', 22 '', 22'' '',..., 22'' '''') is axially movable relative to the axis of rotation (R) and comprises a brake pad (22, 22 ', 22 '', 22'' '',..., 22'' '''') facing the brake disc (10, 10',..., 10 '''' ''). The parking brake surface of the at least one parking brake lining (22, 22 ', 22' ', 22' '',..., 22'' '''') is arranged at a radial parking brake lining distance (rPB) relative to the axis of rotation (R), which distance corresponds to the radial parking brake lining distance (rPB) of the at least one service brake lining (32, 32 ', 32' ', 32' ', 32' ', 32' ', 32' ', 32' ') of the at least one service brake lining (32; 32 '''') of the brake surface of the service brake differs in radial service brake lining distances (rSB).

The invention discloses a plate side edge scrap removing assembly, and relates to the technical field of plate edge sealing machining. A rotating shaft of the motor is connected with an input shaft of the speed reducer, the lower end of the speed reducer is connected with a motor installation support which is installed on a girder of the edge sealing machine frame, the lower end of an output shaft of the speed reducer is connected with a first universal joint, the lower end of the first universal joint is connected with a telescopic spline shaft, and the lower end of the telescopic spline shaft is connected with a second universal joint. The second universal joint is connected with a steel wire wheel assembly, the steel wire wheel assembly is installed at the lower end of the steel wire wheel assembly support, and an adjusting mechanism is installed on one side of the steel wire wheel assembly support. Scraps on the side edge of a plate are removed through the steel wire wheel assembly, the scraps can be rapidly and cleanly removed, meanwhile, dust collection can be achieved through an external dust collector on a lower dust collection opening after scrap removal, and the wood chips are not prone to flying; the height of the steel wire wheel assembly is adjusted through the adjusting mechanism, meanwhile, the swing range can be widened, and stability is high; noise is low, installation space requirements are low, and the structure is simple.

The present invention discloses a Bernoulli suction cup, characterized in that: a plurality of mounting holes are evenly distributed along the circumferential direction on the bottom surface of the suction cup body, an edge PEEK gasket is installed in the mounting hole on the bottom surface of the suction cup body, a quick connector is installed in the center hole on the top surface of the suction cup body, a left screw is installed in the left mounting hole on the top surface of the suction cup body, a left nut is installed at the top of the left screw, a right screw is installed in the right mounting hole on the top surface of the suction cup body, a right nut is installed at the top of the right screw, a right spring is installed on the right screw, a suction cup core is installed in the center groove on the bottom surface of the suction cup body, and a center PEEK gasket is installed in the center hole on the bottom surface of the suction cup core. The present invention has a simple structure, stable and reliable operation, greatly reduces the volume of the suction cup, has extremely low requirements for installation space, has two circles of air outlets inside and outside, and the air outlet is more uniform, can produce a larger and more uniform negative pressure area, is not easy to deform, and has a greatly increased service life.

The utility model discloses a double-spring driven three-position operating mechanism, which is characterized in that an output shaft, an isolation operation assembly and a grounding operation assembly are arranged on a fixed plate, an output cam is sleeved on the output shaft, the isolation operation assembly and the grounding operation assembly are respectively matched with the output cam, and the output shaft is arranged on the fixed plate in a penetrating manner; one end of the isolation spring is connected to the isolation operation assembly, and the other end is connected to the fixing plate. One end of the grounding spring is connected to the grounding operation assembly, and the other end is connected to the fixing plate. According to the utility model, the isolation operation assembly and the grounding operation assembly respectively employ the independent springs, and the output shaft makes a through position and space, so that the output shaft can penetrate through the whole mechanism, thereby saving the use of an indication mechanism, simplifying the structure of the operation mechanism, reducing the cost, saving the installation space of the operation mechanism, and improving the operation efficiency. The operating mechanism can be arranged to be smaller and more compact, the space size of the operating mechanism is reduced, and the requirement for the installation space is lowered.