110results about How to "Easy slide connection" patented technology

The invention discloses a box-type protecting radiating device for a transformer. The protecting radiating device comprises a box, a door and a cover, wherein the door can be opened and closed and is hinged on one side of the box; the cover is covered above the box; a chamber for accommodating an electric element is arranged in the box; the cover is arranged as an arc-shaped surface high in middle and low in two sides; a horizontal projection of the box is covered by the horizontal projection of the cover; a plurality of bar-shaped radiating holes are respectively formed on the two side walls of the box; downward extending arc-shaped baffles are externally connected with the upper edges of the radiating holes; radiating mechanisms are internally connected with the lower edges of the radiating holes; four support mechanisms are arranged at the bottom of the box. The shielding degree of the radiating holes can be controlled in real time according to the environmental humidity; the box-type protecting radiating device is stably arranged under an outdoor working environment; the box-type protecting radiating device is dustproof and damp-proof, has the advantages of low cost and easy mounting, and is suitable for large-scale popularization.

The invention discloses an outdoor box-type protection and heat dissipation device for a transformer. The device includes a box body, a door body hinged to one side of the box body and capable of being opened and closed and a cover body covering the box body from the above. The box body is therein provided with a cavity accommodating electrical apparatus elements. The cover body is an arc face having a higher middle part and two lower sides. The horizontal projection of the cover body covers the horizontal projection of the box body. The two side walls of the box body are each provided with a plurality of strip-shaped heat dissipation holes. The upper edge of each heat dissipation hole is connected with an arc-shaped blocking board extending downwards. A heat dissipation mechanism is connected to the lower side of each heat dissipation hole. The bottom of the box body is provided with four support mechanisms. According to the invention, the heat dissipation hole shielding degree can be controlled in real time according to environmental humidity and the outdoor box-type protection and heat dissipation device can be mounted in an outdoor working environment stably. A dustproof effect and a moisture-proof effect are achieved. The outdoor box-type protection and heat dissipation device has advantages of low cost and simple installation, and is suitable for large-scale promotion.

The invention discloses a corrugated packaging box with high safety. The corrugated packaging box comprises a corrugated box body, wherein the bottom inside the corrugated box body is provided with asliding groove block, the inside of the sliding groove block is slidably connected with a partition plate, the front side and the rear side of the top of the partition plate are both provided with pressing plates, the inside of each pressing plate is slidably connected with an adjusting pressing mechanism, the right side of the top of the partition plate is fixedly connected with a locking mechanism, the bottom of the sliding groove block is fixedly connected with a connecting rib, the connecting rib penetrates through the corrugated box body and extends to the bottom of the corrugated box body. Through cooperation of the corrugated box body, the sliding groove block, the partition plate, the pressing plates, the adjusting pressing mechanism, the locking mechanism and the connecting rib, the problem of low safety of an existing corrugated packaging box is solved; and the corrugated packaging box with high safety has the advantages of high safety, improves the storage safety of products, and is convenient for users to use.

The invention discloses a bench tapping machine. The bench tapping machine comprises a base. A liquid storage barrel is mounted in the base. A recovery pipe is mounted at the top end of one end of theliquid storage barrel. One end of the liquid storage barrel is provided with a connecting pipe. One side of the liquid storage barrel is provided with a storage battery. A workbench is mounted at thetop end of the base. A stand column is mounted at one end of the workbench. A first electric sl is arranged on the stand column. A spray head is mounted at the right end of the first electric slidingblock. A second electric sliding block is mounted in the position, over the first electric sliding block, of the stand column. One end of the second electric sliding block is provided with a connecting rod. A spindle box is mounted at one end of the connecting rod. A driving motor is mounted at the top end of the spindle box. A tapping spindle is mounted in the spindle box. Through the bench tapping machine, the problems that an existing bench tapping machine is unstable in operation, low in automation degree and working efficiency and high in production cost are solved.

The invention discloses a pressure self-sealing stop valve. The pressure self-sealing stop valve comprises a stop valve body, wherein a valve seat is arranged in the stop valve body; a valve cover isin threaded connection with the top of the stop valve body; a valve rod is in threaded connection with inside of the valve cover; a connecting seat is movably mounted at the bottom of the valve rod; apressure compensation mechanism is arranged in the connecting seat. Distance for vertical movement of a valve plate is provided by the pressure compensation mechanism, so that water flow or air flowenters a self-pressure inlet circular groove through a water inlet and then flows into a self-pressure storage tank, force moving downwards is formed by the valve plate through the water flow or the air flow and drives a first inclined sealing ring and a second inclined sealing ring to tightly contact for sealing, the problems that an existing stop valve is poorer in self-sealing effect and is likely to produce gaps at the sealing joints are solved, the pressure self-sealing stop valve has the advantage of a good self-sealing effect, sealing performance of the stop valve is improved, and use safety of a user is guaranteed.

The invention discloses an arc welding machine for new energy automobile parts. The arc welding machine comprises an arc welding machine body, a heat dissipating plate, a disassembly mechanism, a connection mechanism and a resetting mechanism, the disassembly mechanism is located on the surface of one side of the heat dissipating plate and comprises a pull handle, and one side of the pull handle is located outside the heat dissipating plate. According to the arc welding machine, through the arranged pull handle, the situation that the heat dissipating plate cannot be conveniently and quickly disassembled to be cleaned due to long-time use is effectively avoided, the heat dissipating efficiency of a cutting machine is ensured, and thus the service life of the machine is ensured; through arranged fixing blocks, the situation that a screw-connected rear cover of the arc welding machine needs to be manually opened is effectively avoided, and when a failure occurs inside the arc welding machine body, inside parts of the arc welding machine body are conveniently maintained and replaced in time; and through an arranged resetting rod, the situation that function buttons may not be reset due to long-time use is effectively avoided, operations such as starting or stopping on the arc welding machine by an operation panel are ensured, and thus normal operation of the arc welding machine isensured.

The invention discloses a guiding type transmission shaft structure with a cutting knife, which comprises a transmission shaft, a connecting ring, a cutting mechanism, a guiding column and a guiding elastic body. The threading block of the invention realizes the stable guiding function by cooperating and plugging the guide hole and the guide column in the mounting groove, and sleeves the guide elastic body on the guide column, so that the whole cutting knife can more stably carry out the telescopic floating; and the cutting knife of the invention utilizes the driving screw to carry out telescopic floating in the mounting groove of the connecting ring, and adjusts the proper cutting depth. The cutting knife of the invention has ingenious structure design, and the front and back ends of thetwo sides of the connecting block are respectively provided with a blade, so that the double-edged cutting of the two sides is realized, and the cutting efficiency is high; at the same time, a clamping sliding groove is respectively arranged between the blades on both sides of the threading block, which is convenient for sliding connection between the threading block and the mounting groove, realizes telescopic floating adjustment, and is more flexible in use.

The invention discloses a portable multi-cavity electronic anorectal mirror with balloon dilatation, and belongs to the field of medical instruments. The anorectal mirror comprises an outer tube and an inner tube; the left end of the inner tube penetrates through and is slidably connected to the left end of the outer tube, and the outer side of the inner tube is in threaded connection with a threaded sleeve; a balloon body is fixedly connected to the outer side of the threaded sleeve, an inflation ring fixedly connected with the balloon body is embedded into the balloon body, a connecting pipe is inserted into the inflation ring, the right end of the connecting pipe penetrates through and is slidably connected to the interior of the inner pipe, and a micro camera fixedly connected with the inner pipe is embedded into the left end of the inner pipe; and cold light lamps which are uniformly distributed are fixedly mounted at the left end of the inner pipe. According to the anorectal mirror, the discomfort and fear of a patient are reduced while observation by medical staff is facilitated, and the anorectal mirror is convenient to store and carry after use.

The invention relates to the technical field of coal detection sampling, and discloses an intelligent quantitative sampler for coal detection, the intelligent quantitative sampler comprises a cylinder, a screw rod, a driving motor, a discharge pipe, a connecting pipe and a sampling box, the screw rod is rotatably mounted at the top end in the cylinder, the driving motor is mounted at the top end of the cylinder, and the discharge pipe is mounted on the annular side surface of the cylinder; a discharging opening is formed in the annular side face of the cylinder and is aligned to the discharge pipe, the connecting pipe is installed on the discharge pipe, and the sampling box is fixedly installed at the bottom end of the connecting pipe. An electric push rod can drive an upper limiting ring to move, the upper limiting ring moves to drive an end cover to move through a fixing ring, then a movable plate is driven to move, meanwhile, the electric push rod can work to drive a rack to move, then a transmission gear and a rotating pin are driven to rotate, and closing of a bearing shell is achieved; and a driven gear can be driven by a driving gear to rotate, so that a fixing block and the cylinder move downwards together.

The invention relates to the field of resin reaction kettles, in particular to a resin reaction kettle which comprises a bottom plate, a guide structure, an overturning structure, a reaction kettle body, a sealing structure, a cleaning structure, a stirring structure and a driving structure. The guide structure used for guiding the overturning structure is arranged on the bottom plate, the overturning structure is in sliding connection with the guide structure, and the end of the overturning structure is fixed to the bottom plate; the reaction kettle body used for processing resin is arranged on the overturning structure, so that the reaction kettle body is conveniently driven by the overturning structure to rotate while being lifted, the discharging end of the reaction kettle body is inclined, materials are discharged more conveniently and rapidly, meanwhile, the materials are added more conveniently. Meanwhile, the overturning structure is arranged to lift and rotate the reaction kettle body, and meanwhile, the overturning structure slides relative to the guide structure, so that the positions of the top end of the reaction kettle body in the vertical direction are approximately the same, and then materials are discharged more conveniently and quickly.

The invention relates to the field of textile equipment, in particular to a yarn winding device comprising a support frame, a driving structure, a carrying structure, a belt pulley, a winding structure and a guide structure. The winding structure and the support frame are connected rotationally, the support frame is of an L shape, and then the support frame can be installed fast conveniently. Theend of yarn can be fixed conveniently fast through the arrangement of the winding structure, the diameter of the winding structure can be changed conveniently, disassembly is more convenient and faster after yarn winding is completed, and then yarn winding efficiency and quality are improved greatly. The guide structure is arranged on the side wall of the winding structure, thus sliding connectionis converted into rolling connection during yarn disassembly, friction force between the yarn and the winding structure is reduced, and then disassembly quality is improved greatly. The carrying structure and the support frame are in sliding connection, the carrying structure and the winding structure are parallel, then the yarn can be supported conveniently during yarn disassembly, force appliedto the yarn is more uniform, and yarn looseness is prevented effectively.

The invention relates to a plastic molding machine and particularly relates to an efficient energy-saving biomass plastic molding machine. According to the efficient energy-saving biomass plastic molding machine, machined white molds do not need to be manually collected and can be automatically separated and collected, so that the working efficiency is improved. The plastic molding machine comprises a bottom frame combined body, a feeding combined body, a melting furnace, a clamping combined body, a synchronous belt I, a synchronous belt II, a power source and a jetting combined body, whereina motor can be conveniently fixed by virtue of a fixed boss; the rotary connection of an outer casing pipe can be facilitated by virtue of a right side bracket; a smelting casing pipe can be conveniently fixed by virtue of a left side fixed frame; the power output between the synchronous belt I and the synchronous belt II can be facilitated by virtue of a step belt wheel; the power transmission between the step belt wheel and the transmission belt wheel I can be facilitated by virtue of the synchronous belt I; the power transmission between the step belt wheel and the transmission belt wheel II can be facilitated by virtue of the synchronous belt II; the sliding connection of a side sliding plate can be facilitated by virtue of the sliding chute; the sliding connection of two rectangular sliding block can be facilitated by virtue of two rectangular sliding chutes; and the threaded connection of a limiting screw rod can be facilitated by virtue of a threaded hole.

The invention discloses a knock-on type wall insulation board continuity detection device and detection method, and belongs to the technical field of building detection equipment. The knock-on type wall insulation board continuity detection device is characterized in that the detection device comprises an outer cover (1), a sounding object (3) and a sound insulation ring (2), wherein the upper part of the sounding object (3) is arranged inside the outer cover (1); the outer cover (1) is further internally provided with a knock-on module, and the knock-on module is arranged on the upper side ofthe sounding object (3); the sound insulation ring (2) is arranged between the outer cover (1) and the sounding object (3); and a sound insulation ring sound insulation cavity of the sound insulationring (2) is filled with liquid. According to the knock-on type wall insulation board continuity detection device, the heat insulation performance of wall can be detected; and according to the detection method, the continuity of a wall insulation board can be judged according to the change law of sounds received by sound detection modules on detection device at equal intervals with the sounding detection device and the sequential order of the sounds received by the sound detection modules on the detection device at equal intervals with the sounding detection device.

The invention relates to a punching device, in particular to a car shaft punching device. Different specifications of car shafts can be fixed, the fixed car shafts can be punched, and the to-be-punched positions of the fixed car shafts can be adjusted. The car shaft punching device comprises an underframe body and four clip bodies, wherein the underframe body comprises a bottom plate, two longitudinal chutes, two transverse chutes, four hinged ends, four sleeves and four inner hinged plates, and the two longitudinal chutes, the two transverse chutes, the four hinged ends, the four sleeves andthe four inner hinged plates are conveniently connected by virtue of the bottom plate; the four clip bodies are conveniently arranged at the two longitudinal chutes and the two transverse chutes; twovertical sliding rods are conveniently arranged in two vertical sliding holes; the two vertical sliding rods are conveniently connected in a sliding mode by virtue of the two vertical sliding holes; the back ends of sliding columns in the sliding holes can be limited by limiting sleeves, so that the sliding columns cannot be disengaged from the sliding holes; and two inner springs are compressed,so that the two vertical sliding rods are far from the bottom ends of the two vertical sliding rods.

The invention relates to a road paver, in particular to a novel engineering road paver. A stone crushing wheel is arranged to crush stones different in size; a blending liquid device can add a blending liquid automatically when asphalt is mixed; a cleaning terminal is arranged in a crushing and mixing device, so that the device is conveniently cleaned after the asphalt is mixed; a shock absorber is arranged in the device, so that vibration to the body during road pressing can be reduced. The novel engineering road paver comprises the stone crushing wheel, a mineral outer frame, the blending liquid device, the crushing and mixing device, a motor, a grinding wheel, the shock absorber, a synchronous belt I and a synchronous belt II. Two hinge slide blocks can be arranged in a rectangular chute conveniently, two sleeve springs I and II can be connected to the columnar slide bar in a sleeving manner conveniently, and the two hinge slide blocks can be slidably connected to the rectangular chute conveniently. A material push spring can be connected to the slide bar on the side wall of the outer frame conveniently in a sleeving manner, a discharge port can be formed in the lower side of the inner end of the mineral outer frame of the body conveniently, and the inner end of the mineral outer frame of the body can communicate to the discharge port conveniently.

The invention relates to a breeding apparatus, in particular to a rice breeding apparatus, comprising: a lighting device which may provide light compensation for rice seedlings in emergence stage so that growth of the rice seedlings is promoted by light compensation; a water spraying device which may supplement water in the emergence stage; a water storage tank which may supplement a culture liquid in a main tank combination so as to prevent loss i the main tank combination during breeding. The balance of the rice breeding apparatus can be adjusted through an adjusting support combination; therice breeding apparatus may adapt to different land conditions. The rice breeding apparatus comprises the lighting device, the water spraying device, the main tank, the water storage tank and the support combination; two connection pipes may be conveniently and evenly slidably connected in two slide holes; a nozzle push sprig is conveniently arranged between a main rack and a nozzle support; twoadjusting slide rods are conveniently and fixedly connected with an outer frame of the main tank; a lighting sliding rack body is conveniently and slidably connected with two slide rods I.

The invention relates to the technical field of fire-fighting unmanned aerial vehicles, in particular to a fire-fighting unmanned aerial vehicle arrangement platform which comprises an unmanned aerial vehicle body, a supporting mechanism is installed on the unmanned aerial vehicle body, a locking mechanism is installed on the supporting mechanism, a limiting mechanism is connected to the supporting mechanism, and a clamping mechanism is connected to the supporting mechanism. A driving mechanism is mounted on the supporting mechanism, a rolling mechanism is mounted on the supporting mechanism, and a pressing mechanism is mounted on the supporting mechanism; the unmanned aerial vehicle body can be supported and damped under the action of the supporting mechanism, meanwhile, a water tank can be conveniently placed and installed, fire extinguishing work can be conducted conveniently, the supporting mechanism is protected under the action of a limiting mechanism and a locking mechanism, and the supporting mechanism works on a driving mechanism and a clamping mechanism through rising and falling of the unmanned aerial vehicle body; conveniently, clamping, assembling and disassembling of a water tank are realized; and under the cooperation of the rolling mechanism and the pressing mechanism, the unmanned aerial vehicle body can conveniently move on the ground and control braking.

The invention relates to a molding machine, in particular to a molding machine for factories. The molding machine for the factories can automatically convey model sandboxes, manual conveying is not required, and efficiency can be improved. The molding machine for the factories comprises a bottom bracket combination body, a conveying belt, a model fixing plate, a model sleeve plate, a demolding machine, a slide, sliding connecting rods and transmission connecting rods. A hinge end I can facilitate hinge connection of a left connecting rod. The left connecting rod can be conveniently connected to a hinge end II. A supporting bracket I and a supporting bracket II can facilitate rotating connection of a left roller and a fixed rotating shaft body. A gear sleeve rod body can be conveniently rotatably connected to a rear supporting rod. A back plate can facilitate fixed connection of the hinge end I and the hinge end II. The back plate is conveniently provided with a trapezoid sliding groove. The left roller and a right roller can be conveniently connected to the left and right ends of a conveying belt body in an interference-fit mode. The fixed rotating shaft body can be conveniently slidably connected with the right roller. An inner sliding hole can facilitate sliding connection of a sliding right connecting rod.

The invention relates to a life tool, in particular to a novel hay mower. The speed of the hay mower can be adjusted so that the hay mower can cut kinds of forage conveniently; meanwhile, air blower equipment is arranged; the cut forage is convenient to clear; the speed of the air blower equipment can be adjusted, so that working efficiency is improved; the air blower equipment comprises a power frame, a sliding hole coupler, a fixed outer frame, a sliding rotating rod, a drive belt, a switch pressing combination, an air blowing combination body, a drive fixed frame, a tooth saw, a drive conical tooth, a drive shaft combination body, a first synchronous belt I, a manual pushing rod and a poking rod combination body, and a bottom plate can be conveniently and fixedly connected with a support rod; through a right side rotating hole, rotating connection of an upper side rotating shaft can be convenient; through a left side rotating hole, sliding connection of a sliding hole coupler body can be convenient; a front side hinging terminal can allow a door-type pressing rod to be hinged conveniently; a rear side hinging terminal can allow a connecting rod to be hinged conveniently; througha manual rotating rod, the door-type pressing rod and the connecting rod can be conveniently connected.

The invention relates to the technical field of building construction, in particular to a large-span prestressed concrete beam formwork structure which comprises a beam formwork and a supporting structure located at the bottom of the beam formwork, the supporting structure is used for supporting the beam formwork, the large-span prestressed concrete beam formwork structure further comprises fixing components located at the two ends of the beam formwork, and each fixing component comprises a base plate, a positioning block and a tensioning piece. The base plate is fixedly connected with the end of the beam formwork, the multiple positioning blocks are connected with the base plate in a sliding mode and used for limiting beam steel bars, and the tensioning pieces are used for fixing the positioning blocks. When the formwork erecting structure is installed, the beam steel bars can be driven to move by sliding the positioning blocks, so that the distance and the arrangement mode between the beam steel bars can be adjusted to adapt to concrete beams in different forms, and the universality of the concrete beam formwork erecting structure is effectively improved.

The invention provides vertical friction welding equipment. The vertical friction welding equipment comprises a supporting framework, a welding platform, a Y-axis driving structure, a support frame, an X-axis driving structure, a Z-axis driving structure and an angle adjusting structure, wherein the welding platform which is of a square-shaped structure and is used for fixing a welding workpiece is slidably connected with the supporting framework, the Y-axis driving structure which is used for driving the welding platform to slide inside the supporting framework is arranged inside the supporting framework, the supporting frame which is of a U-shaped structure is in sliding connection with the supporting framework, the sliding direction of the supporting frame is perpendicular to the sliding direction of the welding platform, the X-axis driving structure which is used for driving the supporting frame is arranged inside the supporting framework, and the angle adjusting structure comprises two second transmission wheels, a second belt, a rack, a third screw rod and a third motor. The vertical friction welding equipment has the advantages of being flexible to operate, high in welding efficiency and good in welding quality.

The invention discloses a high-precision high-rigidity turning and milling combined center inclined lathe bed. The high-precision high-rigidity turning and milling combined center inclined lathe bed comprises a base and a stand column, wherein the stand column is fixed to one side of the top of the base, the outer side wall of the stand column is perpendicularly fixed to the base, the inner side wall of the stand column is obliquely fixed to the base, and the included angle between the inner side wall of the stand column and the top end face of the base ranges from 75 degrees to 85 degrees. According to the turning and milling combined center inclined lathe bed, by means of the inclined side wall of the stand column, chippings generated after a workpiece is machined by a turning and milling combined center can be discharged in time through a lathe bed structure, and the chippings are better and faster discharged by means of the inclination angle of the side wall of the stand column compared with a common vertical angle or a common horizontal angle, therefore, the situation that the chippings are accumulated in a machine tool and then the operation of the machine tool is influencedis avoided, the chipping removal efficiency is improved, moreover, the overall working efficiency of the machine tool is further improved, and high practicability is achieved.

The invention relates to the technical field of spectacle frame body clamping and polishing, and discloses clamping and manufacturing equipment capable of reducing the compression deformation degree of a spectacle frame body. The equipment comprises shells, sliding plates are slidably connected with the interiors of the shells, supporting rods are movably connected to the surfaces of the sliding plates, reset springs are movably connected to the sides, close to the shells, of the supporting rods, and impurity storage boxes are fixedly connected to the ends, away from the supporting rods, of the reset springs. Inlets and outlets are formed in the surfaces of the supporting rods, and folding plates are movably connected to the surfaces of the inlets and outlets. When the folding plates are folded in half, telescopic pieces can be extruded, so that the telescopic pieces extrude elastic plates and are retracted, the supporting plates are finally pushed into the shells, and the part, not incontact with the spectacle frame body, of the supporting rods can be kept still. The symmetric shells are staggered, and the extruded and non-extruded supporting rods form clamping force on the spectacle frame body, so that the effect of clamping the surface of the spectacle frame body without clamping marks is achieved.

The invention discloses a stamping die for a hexagon bolt, and belongs to the field of stamping dies. The stamping die comprises a base, the upper end of the base is fixedly connected with a mountingtable, a slot is formed in the mounting table, a to-be-machined part is inserted into the slot, limiting blocks are fixedly connected to the left and right sides of the upper end of the mounting table, the limiting blocks are slidably connected with a limiting rod, a left clamping sleeve makes slidable contact with the left side of the upper end of the mounting table, a right clamping sleeve makesslidable contact with the right side of the upper end of the mounting table, the inner side of the left clamping sleeve and the inner side of the right clamping sleeve are fixedly connected with protective pads respectively, and the upper end of the base is fixedly connected with a supporting frame. By connection between the left clamping sleeve and the right clamping sleeve and arrangement of the slot, the to-be-machined part is stably fixed in the slot and avoided from being inclined and falling down during stamping, and due to the elastic effect of a spring and arrangement of pressing andejecting blocks, a buffering force effect is achieved during stamping, and the to-be-machined part is protected.

The invention relates to a separation apparatus of a construction material, in particular to a separation apparatus of a waste magnetic construction material. The separation apparatus can be used forautomatically collecting separated materials. The separation apparatus comprises two bottom frames, a magnetic discharging apparatus, a nonmagnetic material discharging apparatus, a separation apparatus, a connecting rod and a lower side connecting rod, wherein inner ends of a magnetic discharging outer frame and a communicating pipe are respectively hollowed, so that the magnetic discharging outer frame can be communicated with the communicating pipe; a sliding groove can facilitate the sliding connection of a magnetic closing plate; an end plate can limit a rear end of the magnetic closing plate in the sliding groove, so that the magnetic closing plate is not separated from the sliding groove; a material outlet hole can be conveniently communicated with a rectangular sliding groove; a sliding rod can be conveniently hinged with the lower side connecting rod; a gravity core of a cavity is located on an eccentric position of the axis of an outer frame casing pipe, so that the nonmagnetic material collected in the cavity can flow out of a notch; and two limiting casing pipes can limit the sliding connection of two inner sliding columns in two sliding holes, so that the inner slidingcolumn can be prevented from being separated from the sliding hole.

The invention discloses an energy-saving water knife glass cutter. The energy-saving water knife glass cutter comprises a transverse rod and a cutting operation table, wherein a water knife body is arranged below the transverse rod, a toothed plate is connected above the water knife body, a rotating gear is connected with the outer portion of the toothed plate, a center of the rotating gear is sleeved with a rotating shaft, a rotating motor is connected with the outer portion of the rotating shaft, the rotating motor is installed at the outer portion of the transverse rod, supporting rods arearranged in the transverse rod, the supporting rods are connected with the left and right sides of the toothed plate, a connection base is arranged below the transverse rod, a sliding block is arranged on the bottom of the connection base, a lead screw is sleeved with the sliding block, and a driving motor is connected with the outer portion of the lead screw at the same time. According to the energy-saving water knife glass cutter, through movement of the water knife body, cut glass positions are conveniently free from limitation and fixation, and when the toothed plate moves, through slidingconnection between the toothed plate and the supporting rods, the toothed plate is used as a sliding supporting point in the transverse rod.

The invention discloses a supporting device for constructional engineering. The supporting device comprises a casing assembly, a supporting assembly and an adjusting assembly; the adjusting assembly comprises a sliding rail, an auxiliary supporting plate and a sliding block fixing rod; the sliding rail is located on the lower surface of the interior of a main supporting plate and fixedly connectedwith the main supporting plate; the auxiliary supporting plate is located on the left side of the upper surface of the sliding rail and slidably connected with the sliding rail; the sliding block fixing rod penetrates through a sliding block and is fixedly connected with the sliding block; and by arranging the sliding rail, the auxiliary supporting plate arranged in the main supporting plate is conveniently and slidably connected, the lateral support area is freely adjusted, thus the supporting device adapts to different construction engineering for support, by arranging an auxiliary side supporting plate, a main side supporting plate is conveniently and slidably connected, the longitudinal supporting area is freely adjusted, the stability of a support frame for construction engineering is further improved, and by arranging the sliding block fixing rod and side supporting plate fixing rods, fixing sliding blocks and the auxiliary supporting plate are conveniently connected with the main side supporting plate and the auxiliary side supporting plate in a threaded mode.

A cannula for delivering gas to an abdominal cavity includes a tubular main body that defines a lumen. A hub is formed at the proximal end of the main body and a central bore is formed in the hub. An annular groove is formed in an outer periphery of the hub. A nipple has a radially-inwardly extending annular ridge formed in it and the diameter of the annular ridge is slightly less than a diameter of the annular groove so that the annular groove releasably but snugly receives the annular ridge. An elongate hose is adapted to provide fluid communication between a remote gas machine and an enclosed space defined by the nipple and the hub when the nipple is attached to the hub. Gas under pressure is delivered to an abdominal cavity of a patient through the hose, the enclosed space, and the lumen.

The invention relates to the technical field of machining, in particular to welding equipment. The welding equipment comprises a workbench, a clamping mechanism, a welding mechanism and a moving mechanism. A first guide rail is arranged on the workbench; the clamping mechanism comprises a mounting seat and a clamping device mounted on the mounting seat; the mounting seat is mounted on the workbench, the clamping device can rotate relative to the mounting seat, and the clamping device is used for clamping a profile; the welding mechanism comprises a connecting assembly, and a welding assembly slidably connected with the connecting assembly; the connecting assembly is installed on the first guide rail and can slide relative to the first guide rail; the welding assembly is located above the clamping device and used for welding the profile; and the moving mechanism is located above the clamping mechanism and used for conveying the profile to the clamping mechanism. The problem that traditional welding equipment is low in welding efficiency is solved, and the welding equipment has the advantages of being capable of rapidly fixing profiles and high in automation degree.

The invention relates to the technical field of acupuncture table adjustment, in particular to an acupuncture table facilitating acupuncture angle adjustment, which comprises a supporting mechanism, a moving mechanism, an adjusting mechanism, a rotating mechanism, a pressure reducing mechanism, a limiting mechanism and a locking mechanism, under the action of the supporting mechanism, a patient can lie down conveniently, under the action of the pressure reduction mechanism, pressure reduction and pressure resistance can be conducted on the supporting mechanism conveniently, under the action of the adjusting mechanism, rotation adjustment can be conducted on the top side of the supporting mechanism conveniently, and a doctor can conduct acupuncture work conveniently; meanwhile, under the action of a rotating mechanism, a worker can conveniently drive an adjusting mechanism, under the action of a moving mechanism, a supporting mechanism can easily move relative to the ground, a patient can conveniently conduct acupuncture and moxibustion in different areas, through contact between a limiting mechanism and the ground, limiting braking on the supporting mechanism is facilitated, and the acupuncture and moxibustion efficiency is improved. Therefore, the moving mechanism does not drive the supporting mechanism to move, and the limiting mechanism is conveniently controlled under the action of the locking mechanism.