34results about How to "Adjust space position" patented technology

The invention provides a mechanical arm and a surgery robot. The tail end of the mechanical arm is used for grasping a medical apparatus. The mechanical arm comprises a first rotating joint, a first swinging joint, a second swinging joint, a second rotating joint, a moving joint, and an autorotation joint for realizing the autorotation of the medical apparatus, which are sequentially distributed from the near end to the far end. According to the mechanical arm disclosed by the invention, through the cooperation of the six joints, the adjustment of the space position and the posture of the medical apparatus can be realized, and the six joints can move around a long-distance movement center. Compared with the prior art, the mechanical arm disclosed by the invention is small in whole dimension, light in quality, convenient to mount and use; and in addition, through the moving joint and the autorotation joint, an endoscope is driven to move and autorotate, so that a doctor can convenientlyand independently complete surgery operations and endoscope grasping, the difficulty of the surgery operations is reduced, and the waste of human resources is avoided.

The invention is applicable to the technical field of rail bearing equipment and provides a rail support which comprises a lifting mechanism. The lifting mechanism is fixed into a pipe gallery, a rail is mounted on the lifting mechanism, and the lifting mechanism stabilizes the rail at a certain portion in the vertical direction through stretching and contracting up and down. According to the rail support, the lifting mechanism can stabilize the rail at a certain position in the vertical direction in an up-down-stretching-contracting mode or an up-down-swing mode, accordingly before the rail is mounted, the support can be adjusted in the vertical direction according to the specific topographical condition of the site and mounting space, and therefore the space position of the rail can be adjusted.

The invention relates to a detachable wardrobe which comprises a back plate, a bottom plate and a metal bottom frame system. The metal bottom frame system comprises at least two L-shaped hollow metal bottom frames arranged in a left and right spacing mode and side by side. The metal bottom frames comprise vertical stand columns and horizontal columns, wherein the vertical stand columns and the horizontal columns are connected into one. The inner side walls of the vertical stand columns are provided with first clamping holes arranged at intervals. A plurality of the first clamping holes are formed in the extending direction of the vertical stand columns. The bottom plate is arranged on the horizontal columns, and the back plate is vertically arranged on the vertical stand columns. The first clamping holes are exposed out of the two sides of the back plate. The bottom plate and the horizontal columns are connected through a stud or the left and right metal bottom frames are connected through a transverse connecting rod. Accordingly, the wardrobe can be disassembled and assembled on site, the whole stability of the wardrobe is improved by means of the metal frames, the metal frames bear the main weight of the wardrobe, the number of installation holes in the side wooden plate or the bottom wooden plate or the top wooden plate can be reduced, and the thickness, namely, the adopted amount of the side plate or the bottom plate or the top plate can be reduced.

The invention discloses a machine head structure of a multifunctional tube-tube full-position automatic TIG welding. The structure is used for butt joint and lap joint of the tube-tube full-position automatic TIG welding, the structure comprises a visual monitoring mechanism, a welding gun angle adjusting mechanism and a wire feeding posture adjusting mechanism, wherein the welding gun angle adjusting mechanism is arranged on the left side of the visual monitoring mechanism and the wire feeding posture adjusting mechanism is arranged on the right side of the visual monitoring mechanism, and the welding gun angle adjusting mechanism and the wire feeding posture adjusting mechanism are correspondingly connected with the visual monitoring mechanism; the visual monitoring mechanism comprises an arc rail plate, a connecting rod, an electric cross sliding block, a camera box and a lens protection cover; and the welding gun angle adjusting mechanism comprises a mounting frame, a rotating block, a pointer, the arc rail plate and a welding gun; the wire feeding posture adjusting mechanism comprises a wire feeding nozzle, a cross rail, the connecting rod and the arc rail plate. According tothe structure, the machine head structure of the multifunctional tube-tube full-position automatic TIG welding is suitable for the butt joint and the lap joint (inserting and connecting) of the tube-tube full-position automatic TIG welding are carried out, and the form of a root is not limited; the visual monitoring mechanism can clearly observes the condition of molten drop transition, so that the welding parameters, the welding gun angle and the wire feeding posture can be correspondingly adjusted; the optimized structure good in stability, the adjustment is simple, the design is simple andconvenient, and the tube-tube full-position automatic welding can be well realized.

The invention discloses a supplementary light adjustable visual imaging measurement system capable of performing automatic feeding and discharging. The system comprises a control system, a worktable, a first guide rail assembly, a measurement assembly and an automatic feeding and discharging assembly arranged above the worktable, wherein the first guide rail assembly comprises a left support and a right support fixedly connected to the worktable and a first guide rail, and the measurement assembly can perform reciprocating slippage along the first guide rail. The measurement assembly is provided with at least one light supplementing device adjustable in light source height and irradiation angle, the automatic feeding and discharging assembly is provided with a material suction assembly, and the measurement assembly and the automatic feeding and discharging assembly are electrically connected with the control system. The supplementary light adjustable visual imaging measurement system has the advantages that the system improves effective supplementation for surrounding light of an object to be measured while improving automatic feeding and discharging efficiency by decreasing manually assisted operating steps, accordingly does not affect the measurement accuracy while achieving improvement of measurement efficiency and reduces the occurrence rate of measurement failures caused by underexposure or overexposure.

The invention discloses a building material lifting machine capable of achieving convenient and rapid carrying. The building material lifting machine comprises a bottom plate, a supporting platform, abase plate, a telescopic rod and fixing columns, wherein a power box is installed at the upper end of the bottom plate, a supporting wheel rod is connected to the lower portion of a chain supportingwheel, and the supporting platform is installed at the left end of the bottom plate; a driving disc is installed at the output end of a first driving motor, a supporting column is arranged on the bottom plate, and the telescopic rod is located on the right side of the supporting column; and a first rope is connected to the outer side of a wire lapping disc in a lap-joint manner, a handle is arranged on the outer side of each transmission rod, and the fixing columns are installed on the outer side of a shell. According to the building material lifting machine capable of achieving convenient andrapid carrying, storage of articles is convenient to achieve, the whole structure is high in stability, and movement is convenient to achieve, so that long-term efficient use of a moving mechanism isguaranteed, and position adjustment of the handles in the space is convenient to achieve. Multiple building material grabbing modes are adopted, so that the building material lifting machine is morepractical, the labor complexity is reduced, and improving of the lifting efficiency is facilitated.

The invention discloses a combustor with adjustable combustion atmosphere and an experimental method and belongs to the technical field of fuel combustion. The device comprises a combustion chamber, aliquid fuel sample injection mechanism, a powder fuel sample injection mechanism, a powder dispersion mechanism, a blocky fuel lifting platform and a water vapor generation device, fuel combustion experiments in three different states are achieved through the three feeding mechanisms, boron particles can be dispersed through a powder dispersing mechanism in the powder fuel sample feeding mechanism, the falling speed of the boron particles is reduced, the influence of incoming air flow on the ignition and combustion process of the boron particles is reduced, and combustion efficiency is improved; reliable ignition of the boron particles in a relatively dispersed state can be realized. The steam atmosphere is provided through the steam generation device, the steam concentration in the combustor is monitored in real time in cooperation with the humidity sensor, and quantitative regulation and control over the steam concentration in the combustor can be achieved; the combustor is connected with high-pressure gas sources such as nitrogen, oxygen and argon, and the purpose that the concentration and pressure of various atmospheres in the combustor are adjustable is achieved in cooperation with real-time monitoring of the pressure sensor.

The invention relates to a detachable wardrobe which comprises a back plate, a bottom plate and a metal bottom frame system. The metal bottom frame system comprises at least two L-shaped hollow metal bottom frames arranged in a left and right spacing mode and side by side. The metal bottom frames comprise vertical stand columns and horizontal columns, wherein the vertical stand columns and the horizontal columns are connected into one. The inner side walls of the vertical stand columns are provided with first clamping holes arranged at intervals. A plurality of the first clamping holes are formed in the extending direction of the vertical stand columns. The bottom plate is arranged on the horizontal columns, and the back plate is vertically arranged on the vertical stand columns. The first clamping holes are exposed out of the two sides of the back plate. The bottom plate and the horizontal columns are connected through a stud or the left and right metal bottom frames are connected through a transverse connecting rod. Accordingly, the wardrobe can be disassembled and assembled on site, the whole stability of the wardrobe is improved by means of the metal frames, the metal frames bear the main weight of the wardrobe, the number of installation holes in the side wooden plate or the bottom wooden plate or the top wooden plate can be reduced, and the thickness, namely, the adopted amount of the side plate or the bottom plate or the top plate can be reduced.

The invention discloses a visual imaging measuring system achieving adjustable light supplementing and automatic clamping. The system comprises a control system, a workbench, a first guide rail assembly, a measuring assembly, an automatic feeding and discharging assembly and at least one carrier assembly; the first guide rail assembly comprises a left support, a right support and a first guide rail, wherein the left support and the right support are fixedly connected to the workbench; the measuring assembly can slide along the first guide rail in a reciprocating mode; the automatic feeding and discharging assembly is arranged on the workbench; the measuring assembly is provided with at least one light supplementing device with the light source height and irradiation angle adjustable, the automatic feeding and discharging assembly is provided with a material sucking component, and the measuring assembly, the automatic feeding and discharging assembly and the carrier assemblies are electrically connected with the control system. The visual imaging measuring system achieving adjustable light supplementing and automatic clamping has the advantages that on the premise that it is guaranteed that the automation degree is improved through the step of reducing artificial auxiliary operation, the measuring precision of an object to be measured, especially, an object which is small and complex in size structure, the measuring success rate is increased, the measuring time is reduced, and the measuring efficiency is improved.

The invention discloses a supplementary-light-adjustability type measuring system capable of measuring a side surface or an inside. The measuring system comprises a control system, a work bench, a first guide rail assembly, a measuring assembly, an automatic feeding and blanking assembly, and at least one carrier assembly. The first guide rail assembly consists of a left support seat, a right support seat, and a first guide rail, wherein the left support seat and the right support seat are fixedly connected to the work bench. The measuring assembly can slide along the first guide rail in a reciprocating mode. The automatic feeding and blanking assembly is arranged above the work bench. The detection assembly is provided with at least one a light supplementing device with the adjustable light source height and radiation angle. The carrier assembly is provided with an optical deflector that is used for deflecting the light of the side surface or the internal structure of a to-be-measured object. The measuring assembly, the automatic feeding and blanking assembly, and the carrier assembly is connected to the control system electrically. According to the invention, the light supplementing angel and range can be adjusted; and the measurement precision of the side surface and the internal structure of the complicated to-be-measured object with the small dimension structure can be improved. Moreover, the measurement success rate is improved, the measurement time is shortened; and the measurement efficiency is enhanced.

The invention discloses a mobile phone fixing frame with multiple fixing manners, comprising a main strut, wherein the outer surface of the lower end of the main strut is fixedly connected with a bottom plate, a first sucking plate penetrates through the inner part of the bottom plate, a support plate is moveably mounted on the position at the outer surface of the upper end of the bottom plate close to one side, one side of the main strut is provided with a pressing handle, a limiting stand is fixedly mounted on the position at the outer surface of the main strut close to the upper end, the outer surface of the upper end of the limiting stand is movably mounted with an auxiliary strut and a fixing ring, a placing plate is moveably arranged above the auxiliary strut, and a universal ball shaft is movably mounted between the placing plate and the auxiliary strut. The mobile phone fixing frame with multiple fixing manners is capable of more freely adjusting the spatial position of the placing plate, improving the applicable range of the device, being used by two people at the same time, effectively increasing the types of the fixing modes, and effectively increasing the functional diversity of the device, thereby enhancing the user experience of the product.

The invention discloses a discharging mechanical arm of a mechanical arm device. The discharging mechanical arm comprises a rack, a mechanical arm body, a clamping mechanism and a total power driving mechanism, and the total power driving mechanism comprises a first rotary driving assembly, a second rotary driving assembly, a third rotary driving assembly, a fourth rotary driving assembly, a first transmission assembly, a second transmission assembly and a third transmission assembly. The clamping mechanism comprises clamping fingers, a first clamping connecting rod, a second clamping connecting rod, a lifting support, a first rotating cylinder, a second rotating cylinder and a nut sleeve, and the first rotating driving assembly, the second rotating driving assembly, the third rotating driving assembly and the fourth rotating driving assembly are all installed above the rack. One end of the mechanical arm body is rotationally connected with the upper portion of the rack, and one end of the mechanical arm body is connected with the first rotary driving assembly. The structure is stable and reliable, automatic transferring or carrying of objects is achieved, manual participation is not needed, the labor cost is saved, and the production efficiency is improved.

The invention relates to the technical field of cutting machine devices, in particular to a steel plate cutting device. The steel plate cutting device comprises a base, the base is sequentially provided with an L-shaped arm rod, a clamping plate and a cutting table fixedly infrared receiver between the L-shaped arm rod and the clamping plate, and oppositely-arranged clamping and transferring devices are connected to the positions, on the two sides of the L-shaped arm rod, a cutting table and the clamping plate, of the base in a sliding manner; a cutting knife is rotationally connected to a transverse arm of the L-shaped arm rod, is externally connected with a hot air box and is provided with a hole; the clamping plate comprises a clamping plate base plate and two clamping plate arms arranged on the base plate, the clamping plate base plate and the clamping plate arms are each provided with cold air holes and hot melt adhesive holes, the cold air holes are externally connected with a cold air box, and the hot melt adhesive holes are externally connected with a hot melt adhesive box; an infrared transmitter is arranged at the end, far away from the cutting table, of the clamping plate, and an infrared receiver is arranged on the L-shaped arm rod in a manner of corresponding to the infrared transmitter; and the two clamping and transferring devices are oppositely provided with grooves, and roller sets are arranged at the groove bottoms. By means of the technical scheme, the length of a remaining material can be increased, and influences of displacement of the clamped remainingmaterial during cutting on the cutting effect are prevented.

The invention discloses a positioning fixture and a using method for a touching mechanism thereof. A clamping device is used and comprises a base and a groove arranged at the bottom end face of the base and with an opening downward. The top end face of the base is fixed with a guide sliding column which extends vertically and is symmetrical horizontally; the top end face of the guide sliding column is fixed with a top covering plate which extends horizontally; the top covering plate is in rotary matched connection with a first rotating shaft which extends vertically; a limiting ring fixed withthe first rotating shaft is arranged below the top covering plate; and a lifting plate which extends horizontally is arranged below the limiting ring. The structure is simple, the operation is convenient, a workpiece can be stably clamped, and subsequent processing of the workpiece is facilitated.

The invention relates to the technical field of mechanical arms, in particular to a glass suction cup mechanical arm. The glass suction cup mechanical arm is used for solving the problems that a mechanical arm in the prior art cannot adjust the distance between suction cups, consequently, the mechanical arm is not suitable for carrying glass plates in irregular shapes, and then special design requirements of customers cannot be met. The glass suction cup mechanical arm comprises a front suction cup frame body, a rear suction cup frame body and a suction cup adjusting shaft. Multiple front fixed sleeve rods are installed on the front suction cup frame body, front telescopic rods and front adjusting mechanisms which are connected with one another are installed in the front fixed sleeve rods,and front suction cups are installed at the ends of the front telescopic rods. Multiple rear fixed sleeve rods are installed on the rear suction cup frame body, rear telescopic rods and rear adjusting mechanisms which are connected with one another are installed in the rear fixed sleeve rods, rear suction cups are installed at the ends of the rear telescopic rods, and a power mechanism is installed on suction cup adjusting shaft. By means of the technical scheme, the glass suction cup mechanical arm can be suitable for carrying glass plates in irregular shapes, and therefore special design requirements of customers can be met.

The invention relates to a target self-adaptive visible near-infrared detection light source posture adjusting device and method. The device comprises a panel, wherein a fixed plate is arranged abovethe panel in parallel and is in sliding connection with the panel through a support structure; a mounting through groove is formed in the fixed plate, a plurality of light source modules are arrangedon the edge of the mounting through groove, and each light source module is rotationally connected with the edge of the mounting through groove; an integrating sphere is arranged in the position, corresponding to the mounting through groove, of the panel, light emitted by the light source modules penetrates through the to-be-detected fruit to reach the integrating sphere, the integrating sphere isprovided with a signal processing mechanism in a matched mode, and the signal processing mechanism is used for analyzing the light collected by the integrating sphere to obtain a detection map. According to the near-infrared fruit detection device, the light intensity can be adjusted by opening different numbers of light source modules, the emergent light angle of the light source modules can beflexibly adjusted, and the application range is wide. In addition, three-dimensional adjustment of the positions of the light source modules can be achieved through the support structure, and the precision and efficiency of position adjustment are improved.

The invention belongs to the technical field of metal machining jigs, and particularly relates to a metal machining jig with high stability. The metal machining jig comprises a base, wherein a supporting column and a smelting furnace are fixedly arranged at the top of the base, a top plate is fixedly arranged at the top of the supporting column, a sliding plate is arranged at the bottom of the top plate in a sliding mode, a lifting box is arranged at the bottom of the sliding plate, a vertical rod is arranged at the bottom of the lifting box in a sliding mode, a horizontal plate is fixedly connected to the bottom of the vertical rod, a connecting block is rotationally arranged at the bottom of the horizontal plate, a horizontally-arranged transverse rod is fixedly arranged on the connecting block, a column body is fixed at one end of the transverse rod, and movable rods are hinged to the two sides of the column body. According to the metal machining jig, a metal piece can be clamped, manual operation is not needed for clamping and fixing, electric operation is achieved, labor is saved, a fixing structure is stable and firm, the space position of metal can be adjusted, the position can be adjusted remotely, feeding is facilitated, the use quality is improved, smelting machining operation is facilitated, and the safety is improved.

The invention relates to target cell acquisition equipment and a target cell acquisition method, which belong to the technical field of medical instruments. The equipment comprises a microscopic device, an interception device and a manipulation control device, wherein the microscopic device is an inverted microscope; an object bearing table is arranged at the tail part of the inverted microscope;the interception device is detachably fixed on the object bearing table; the manipulation control device comprises a control chip and a control button; the control chip and the control button are integrated on a control panel on the outer wall of an eyepiece sleeve of the inverted microscope; and the interception device comprises a cutting body, a pair of shooting pincers, a lifting base, a left-right sliding base, a vertical adjusting mechanism, a left-right moving mechanism and a front-back moving mechanism. Rotation control of the servo motor and precise meshing of the worm and the gear areadopted, precise rotation motion is converted into stable linear motion, the anti-interference capacity is extremely high, output is stable, the speed can be extremely low, precision is extremely high, and cooperative operation under microscope videos becomes possible.

The invention relates to the technical field of cutting machine devices, in particular to a steel plate cutting device. The steel plate cutting device comprises a base, the base is sequentially provided with an L-shaped arm rod, a clamping plate and a cutting table fixedly infrared receiver between the L-shaped arm rod and the clamping plate, and oppositely-arranged clamping and transferring devices are connected to the positions, on the two sides of the L-shaped arm rod, a cutting table and the clamping plate, of the base in a sliding manner; a cutting knife is rotationally connected to a transverse arm of the L-shaped arm rod, is externally connected with a hot air box and is provided with a hole; the clamping plate comprises a clamping plate base plate and two clamping plate arms arranged on the base plate, the clamping plate base plate and the clamping plate arms are each provided with cold air holes and hot melt adhesive holes, the cold air holes are externally connected with a cold air box, and the hot melt adhesive holes are externally connected with a hot melt adhesive box; an infrared transmitter is arranged at the end, far away from the cutting table, of the clamping plate, and an infrared receiver is arranged on the L-shaped arm rod in a manner of corresponding to the infrared transmitter; and the two clamping and transferring devices are oppositely provided with grooves, and roller sets are arranged at the groove bottoms. By means of the technical scheme, the length of a remaining material can be increased, and influences of displacement of the clamped remainingmaterial during cutting on the cutting effect are prevented.

The invention discloses a novel cabinet which belongs to the technical field of electrical appliances. The novel cabinet comprises a cabinet body, a first cabinet module, a second cabinet module, a supporting frame and a cabinet door. The first cabinet module is arranged at the upper end of the inner wall of the cabinet body. The second cabinet module is arranged at the lower end of the inner wall of the cabinet body. The supporting frame is fixedly connected with the bottom of the cabinet body. The cabinet door is connected with the sidewall of the cabinet body. Two sides of the top inner wall of the cabinet body are provided with first chutes. The chutes are slidably connected with a first board and a second board. The inner part of the cabinet body is divided into a first cabinet module and a second cabinet module. Furthermore relative movement between the first cabinet module and the second cabinet module can be realized, and furthermore flexible and free movement of each unit in the first cabinet module and the second cabinet module can be realized. The novel cabinet has high suitability for storage and mounting of different electrical appliances and greatly improves utilization rate of the cabinet body.

The invention provides a sling-type 3D printing system. The 3D printing system comprises a printing head, a plurality of slings, a plurality of driving devices corresponding to the slings and a controller. The printing head is used for printing three-dimensional bodies. The slings are connected with the printing head and used for hanging the printing head. The driving devices are arranged in a diffused mode and used for retracting and extending the slings, and thus the spatial position of the printing head can be adjusted. The controller is connected with the driving devices and used for controlling the driving devices to rotate according to data model documents, and thus the spatial position of the printing head can be adjusted. According to the sling-type 3D printing system, large-sized and huge objects can be printed, the system structure is simple, flexibility of the printing head is high, implementation cost is low, and the printing environment requirement is also low.

The invention relates to the field of valves, in particular to a cleaning valve that is easy to adjust the angle, including a drive structure, an opening and closing structure, a first angle adjustment structure, a valve structure and a second angle adjustment structure; it is convenient to cooperate with the first angle adjustment structure The second angle adjustment structure adjusts the spatial position of the end of the valve structure, which is convenient for quickly adjusting the flushing angle of the valve structure to the kitchen utensils, thereby facilitating the flushing of kitchen utensils of different sizes and types, greatly improving the cleaning efficiency and quality of kitchen utensils; The end of the opening and closing structure is connected to the driving structure, so that it is convenient to step on the driving structure by the foot, so that the driving structure controls the opening and closing of the valve structure, and then it is convenient to use the foot to control the flow of water, so that the hands can be used to operate more things , thereby greatly improving the operational flexibility, and at the same time effectively preventing the oil in the hand from directly contacting the valve structure, thereby making the valve structure more clean.

A high-precision sealing test device in a thermal vacuum environment comprises an adjusting machine base, an observation set, a lifting lever device, a connecting spline and a thermal vacuum box. The adjusting machine base is arranged in the thermal vacuum box, a piece to be tested is arranged on the adjusting machine base, the piece to be tested is connected with an output shaft of the piece to be tested, the output shaft of the piece to be tested is connected with a magnetic fluid sealing transmission shaft through the connecting spline, the magnetic fluid sealing transmission shaft penetrates through the thermal vacuum box and is guided out of the box, the connecting spline is connected with the lifting lever device, the lifting lever device is arranged in the thermal vacuum box, and the observation set is arranged on the box wall of the thermal vacuum box. An observation lens is adopted to observe and record the position of the output shaft of the piece to be tested, the separation and the connection of the output shaft of the piece to be tested and the magnetic fluid sealing transmission shaft are controlled through the lifting lever device, the space position of the piece to be tested in the thermal vacuum box is adjusted through the adjusting machine base, the influence of the deformation of the piece to be tested in a thermal vacuum test on the test is effectively avoided, and the device is suitable for a high-precision sealing transmission test in the thermal vacuum environment, simple in operation and high in precision.

The invention discloses back-cutting rewinding equipment which comprises a nicking tool, a finished product winding shaft and a waste winding shaft, wherein the nicking tool is used for cutting off back paper along the central symmetric line in the length direction without touching adhesive paper, the finished product winding shaft is used for collecting cut-off back paper and the adhesive paper,and the waste winding shaft is used for collecting transparent films separated from the back paper and the adhesive paper. The finished product winding shaft is composed of a shaft core and a baffle plate at one shaft end, the baffle plate is provided with an annular tapered surface capable of conveniently guiding the back paper and the adhesive paper to enter the finished product winding shaft, and one sides of the back paper and the adhesive paper abut against the baffle plate for rewinding; a blind hole is formed in the center of the baffle plate, the shaft core is inserted into the blind hole to be matched with the blind hole, and the depth of the blind hole is half of the value obtained by subtracting the width of the back paper or the adhesive paper from the axial length of the shaftcore; and the shaft core is provided with an openable limiting rod capable of applying elastic pressure to the shaft core, when the limiting rod is in a closed state, the shaft core and the baffle plate are limited and fixed, and a separating path is provided for the shaft core when the limiting rod is opened and closed. By adopting the back-cutting rewinding equipment, separation and collectionof coiled materials with different layers can be facilitated, and meanwhile, specific coiled materials are cut off, so that the efficiency and the quality of cutting and collecting are guaranteed.

The invention relates to the field of valves, in particular to a cleaning valve with convenient-to-adjust angle. The cleaning valve comprises a driving structure, an opening and closing structure, a first angle adjusting structure, a valve structure and a second angle adjusting structure. The spatial position of the end of the valve structure is adjusted by matching of the first angle adjusting structure with the second angle adjusting structure, the flushing angle of the valve structure to kitchen utensils can be adjusted conveniently and rapidly, so that the kitchen utensils of different sizes and types can be conveniently flushed, and cleaning efficiency and quality of the kitchen utensils are greatly improved; the end of the opening and closing structure is connected with the driving structure, the driving structure can be conveniently stepped by feet, to control opening and closing of the valve structure, flow of water can be conveniently controlled by feet, hands can be used foroperating more things, operation flexibility is greatly improved, oil in hands is effectively prevented from directly contacting with the valve structure, and the valve structure is higher in cleanness.

The invention belongs to the technical field of vertical shaft lap joint operation, and particularly relates to a vertical shaft lap joint operation platform with safety protection. The vertical shaft lap joint operation platform comprises a horizontal table, wherein inclined support plates are fixedly installed on both ends of the bottom of the horizontal table, a transverse plate I and a transverse plate II which are horizontally arranged are fixed between the two support plates, the transverse plate I is located above the transverse plate II, a vertical rotating shaft is rotatably installed on the horizontal table, the top of the rotating shaft penetrates through the horizontal table and is fixedly connected with a rotating plate, and the rotating plate is rotatably connected with the horizontal table. According to the vertical shaft lap joint operation platform, spatial position adjustment of workers is achieved, lap joint construction can be conveniently performed in different positions, the lap joint requirements are met, convenience is provided for lap joint, the safety is high, the whole device cannot deviate during use, the positioning is firm, the construction lap joint safety is increased, and additionally, the position can be flexibly moved and replaced, so that the use quality is increased.

The invention relates to a guide mechanism for ensuring linearity of steel wire entering a die. The guide mechanism comprises a support fixedly arranged between a drawing die and a guide wheel and a guide die connected to the support, the guide die and the steel wire drawing die are concentrically arranged, and the aperture of the guide die is not less than the aperture of the front end of the drawing die. The guide die is arranged between the drawing die and the guide wheel, the external warping state of the steel wire at the front end of the drawing die is corrected through the guide die, it is ensured that the steel wire and the drawing die are basically kept coaxial when the steel wire enters the drawing die, and therefore the quality problems that the steel wire is scratched at an inlet of the drawing die for copper removal, strain and drawing transverse cracks exist, and the ovality of the steel wire exceeds the standard in the process are solved, and the product quality is improved.

The invention discloses a grinding machine with a coarse-fine grinding structure. The grinding machine comprises a grinding machine body, a lifting device, a longitudinal bevel gear and a belt pulley;two pressing plates are arranged below the grinding machine body; the pressing plates and first nuts are fixed through a first rotating shaft; a fixing plates is arranged on the first rotating shaft;a threaded sleeve is fixed to the joint of the fixing plate and the first rotating shaft; and sliding blocks are welded to the two ends of the lifting plate, and sliding grooves matched with the sliding blocks are fixed to the positions, on the two sides of the sliding blocks, of the inner wall of a bottom plate. The grinding machine with the coarse-fine grinding structure provided by the invention is provided with the adjustable pressing plates, a worker can adjust the positions of the pressing plates by twisting a threaded rod, a ground object in any shape can be fixed conveniently, meanwhile, the contact area of the pressing plates and the ground object can be maximized through the arrangement positions of the pressing plates, the fixing performance is higher, and the worker can also adjust the ascending and descending of the lifting plate by twisting the threaded rod, and the space position between an object needing to be ground and the grinding machine is better adjusted.