103results about How to "Play the role of auxiliary fixation" patented technology

A high-altitude cable deicing device, mainly including a sleeve placed on the high-voltage line. When in use, the deicing gear can be driven by the motor reducer, so that the ice on the high-voltage line can be removed, which is beneficial to reduce the overall pressure of the high-voltage line. load; when the bushing slides to the right, the heating seat can heat and melt the icing on the high-voltage line at the front first, and prepare for the treatment of the deicing gear at the back; after the treatment of the heating and deicing gear , the scraper can finally scrape off the ice slag remaining on the high-voltage line; the solar cells are used to absorb solar power to generate electricity, and store the electric energy in the first battery and the second battery, making a good job for subsequent heating and deicing Preparation; the tension spring can play a role in tensioning the second support rod, which is beneficial to scrape off the ice on the surface of the high-voltage line by the scraper.

The invention belongs to the field of flowerpot carrying and specifically relates to a flowerpot carrying device comprising a bottom frame, a clamping device and two handles. A rotating shaft is arranged under the bottom frame and rotating wheels are arranged at the two ends of the rotating shaft. The clamping device comprises two clamping arms provided with circular arc parts at the front ends. The two clamping arms are hinged to the bottom frame after intersecting, the hinge joint point being the intersecting point of the clamping arms. The two handles are connected to the two clamping arms. The flowerpot carrying device allows rapid and labor-saving carrying.

The invention discloses a lifting basket used for external wall construction in architectural decoration engineering. The lifting basket comprises a fixing bottom plate, two air bag bases are fixedlyinstalled on the outer surface at the lower end of the fixing bottom plate, two first rotation wheels are movably installed on the outer surface on one side of the fixing bottom plate, and two secondrotation wheels are movably installed on the outer surface on the other side of the fixing bottom plate. The outer surface at the upper end of the fixing bottom plate is fixedly provided with a fixingback plate, a first lateral plate is fixedly installed on the side, close to the fixing back plate, of the outer surface at the upper end of the fixing bottom plate, a second lateral plate is fixedlyinstalled on the other side, close to the fixing back plate, of the outer surface at the upper end of the fixing bottom plate, and lifting pulleys are fixedly installed in the centers of the outer surfaces at the upper ends of the second and first lateral plates respectively. According to the lifting basket used for external wall construction in the architectural decoration engineering, the phenomenon that the lifting basket waggles under the action of wind force can be prevented, the lifting basket is provided with a landing shock-absorption structure, and the safety of the lifting basket isimproved.

The invention particularly relates to a vertical adjustable clamping plate type connecting device for a glass curtain wall. The vertical adjustable clamping plate type connecting device for the glasscurtain wall is arranged on the outer wall of a wall body, is used for connecting two pieces of adjacent curtain wall glass, and comprises a positioning connecting element fixedly connected to the surface of the wall body and two auxiliary fixing elements; the two auxiliary fixing elements are respectively positioned at two sides of the positioning connecting element; the positioning connecting element comprises a connecting element position adjusting assembly and a connecting element clamping assembly; and each auxiliary fixing element comprises a fixing element position adjusting assembly and a fixing element clamping assembly. Through the arrangement of the positioning connecting element, the curtain wall glass can be connected in the construction process, the curtain wall glass is driven to move transversely or vertically on the outer wall of the wall body through a first position limiting sliding groove and sliding holes in two sides of the surface of a moving seat, so that the installation position of the glass curtain wall can be flexibly adjusted, and the condition of reworking caused by construction errors is avoided; and the construction efficiency and the engineering quality are improved.

The invention relates to a high-definition camera module of a video monitoring system, and the camera module comprises a main body mechanism, a camera and an auxiliary fixing mechanism; the auxiliary fixing mechanism is arranged at the lower end of the main body mechanism, the camera is arranged at the upper end of the main body mechanism, and the rear end of the main body mechanism is connected with a known mounting point in a sliding fit mode. According to the invention, the high-definition camera module of the video monitoring system is installed and used by adopting a design concept of cooperation of multiple reinforcing structures, and the arranged auxiliary fixing mechanism can play a role in reinforcing and auxiliary fixing on the rotated camera on the basis that the main body mechanism realizes angle adjustment of the camera in the horizontal direction, so the stability of the camera in a non-motion state is improved, and the phenomenon that the whole camera shakes in severe weather such as strong wind is avoided; meanwhile, a structure for shielding and protecting the camera is arranged in the main body mechanism, and the inclination angle of the structure can be adaptively adjusted according to the wind direction or the fluttering direction of rain and snow.

The invention discloses a surface cleaning treatment device for cotton cloth production. The surface cleaning treatment device for cotton cloth production includes a hair collecting chamber and a dustremoval chamber; the dust removal chamber is arranged on one side of the hair collecting chamber, and a blower and an air pipe are arranged on the top of the dust removal chamber; the blower communicates with the air pipe, and the air pipe extends to the interior of the dust removal chamber to communicate with air blowing pipes; and air suction vents are arranged on the bottom and sides of the dust removal chamber. In the invention, the dust removal chamber and the hair collecting chamber are arranged; the cotton cloth to be treated enters and exits the dust removal chamber and the hair collecting chamber in sequence through a feed port, and is wound through a plurality of arranged deflection rollers and then removed from a discharge port; the air is blown by the blower, and the airflow successively enters the plurality of air blowing pipes arranged inside the hair collecting chamber along the air pipe; the dust and cotton debris adhered to the surface of the cotton cloth are blown off through the air blowing pipes, so that the cleanliness of the surface of the cotton cloth is ensured; and a plurality of support rods are arranged inside the dust removal chamber, which can not onlyscrape off the larger cotton debris, but also help to fix the cotton cloth, and is helpful for the air blowing pipes to blow off the dust and other debris adhered to the surface of the cotton cloth.

The invention discloses a magnetic stirring device for chemical experiment. The magnetic stirring device comprises a base, wherein a driving motor is mounted inside the base; a magnetic chassis is connected with the output end of the driving motor; a vertical column is fixed on one side of the upper end surface of the base; the vertical column is sleeved by a U-shaped fixing sleeve; a fixing studis screwed with the outer end of the U-shaped fixing sleeve; a transverse rod is fixedly connected with the side wall of the U-shaped fixing sleeve; a thermocouple is fixedly connected with the otherend of the transverse rod through a locking mechanism; clamps are distributed at two ends above the magnetic chassis; heating jackets are tightly adhered to the inner walls of the clamps; sliding rodsare fixedly connected with the lower ends of the clamps; chutes are formed in two sides of the top surface of the base; the lower ends of the sliding rods are connected with corresponding chutes in asliding manner; outer thread structures are distributed at the lower ends of the sliding rods; locking handles are screwed with the outer thread structures; the lower ends of the locking handles aretightly propped against the top surface of the base and are fixed. By adopting the magnetic stirring device, the problems that a conventional magnetic stirring device cannot be rapidly and uniformly heated and is in lack of fixing clamping mechanisms are solved.

The invention discloses a cow dung extrusion dehydration device, and relates to the technical field of cow dung dehydration devices. Cow dung is convenient to add and is discharged after being extruded, continuous operation is formed, the cow dung does not need to be removed from the extrusion position, and thus the manual labor intensity is reduced. The cow dung extrusion dehydration device comprises a shell, a pressure-bearing plate is arranged inside the shell, a plurality of drainage holes are formed in the pressure-bearing plate in a penetrating mode, and a filter cloth is arranged at theupper end of the pressure-bearing plate; and a roller shaft is arranged in the middle of the lower end of the pressure-bearing plate, the two ends of the roller shaft are rotationally connected withthe inner wall of the shell, supporting assemblies located on the two sides of the roller shaft correspondingly are further detachably arranged at the lower end of the pressure-bearing plate, a pressure-applying plate is arranged above the pressure-bearing plate, a feeding cylinder is arranged at the upper end of the pressure-applying plate, a positioning bulge mutually matched with the inner wallof the feeding cylinder is arranged at the upper end of the pressure-bearing plate, and a vibrating discharging device is obliquely arranged below the pressure-bearing plate.

The invention relates to a melt-blown non-woven fabric production raw material pre-treating process. The melt-blown non-woven fabric production raw material pre-treating process adopts a melt-blown non-woven fabric production raw material pre-treating device which comprises a workbench, an extruding mechanism and a receiving mechanism, the extruding mechanism is mounted at the upper end of the workbench, the receiving mechanism is arranged on the lower side of the right end of the extruding mechanism, and the lower end of the receiving mechanism is mounted on the upper end face of the workbench in a sliding fit mode. Melt-blown non-woven fabric production raw material pre-treating is conducted by adopting the design concept of an adjustable and controllable integrated structure, an operator can adaptively and accurately change a molten polymer extrusion port according to the bobbin size of a received polymer thread, and thus the overall application range of the device is enlarged.

The invention discloses a five-axis linkage engraving and milling machine comprising an engraving and milling machine base. The upper surface of the engraving and milling machine base is fixedly connected to engraving and milling machine baffles, and the upper surface of each engraving and milling machine baffle is fixedly connected to slide ways; each slide way is internally provided with a slider, and the side, close to the engraving and milling machine baffles, of the upper surface of the engraving and milling machine base is movably connected to an engraving and milling machine workbench;the inner side walls of the engraving and milling machine baffles are fixedly connected to a Y-axis moving table of which the interior is movably connected to a Y-axis movable rod; and the outside surface of the Y-axis movable rod is movably connected to a Z-axis moving table rod. According to the five-axis linkage engraving and milling machine, through arrangement of screw clamping blocks, ejector rod holes, ejector rods and ejector rod springs, slag discharge screws are inserted into screw fixing sleeves, so that the screw clamping blocks are clamped into the ejector rod holes, and the slagdischarge screws are fixed; the screw clamping blocks are pushed out of the ejector rod holes by pressing the ejector rods, thereby facilitating maintenance of the slag discharge screws; and thus, thepurpose of facilitating removal is achieved.

The invention belongs to the technical field of agricultural equipment, particularly relates to an auxiliary rice bagging device, and aims at achieving the technical purpose of providing an auxiliaryrice bagging device through which bag opening supporting is facilitated, and manpower is saved. According to the technology implementing scheme, the auxiliary rice bagging device comprises a frame, aninstalling frame, a push rod, a first installing plate, a connecting rod, a material guiding pipe, a clamping device and a pedal device, wherein a cylinder barrel is arranged on the frame in an embedding manner, the position, away from the cylinder barrel, of the frame is provided with an installing frame, the position, close to the installing frame, of the frame is provided with the push rod, the top of the installing frame is provided with the first installing plate, the upper portion of the side, away from the push rod, of the first installing plate is provided with the connecting rod, theother end of the connecting rod is provided with the material guiding pipe, and the upper portion of the side, away from the push rod, of the first installing plate is provided with the clamping device matched with the outer wall of the material guiding pipe. The auxiliary rice bagging device achieves the effects that bag opening supporting is facilitated, and manpower is saved.

The invention discloses a food and beverage cork uncapping mechanism. The mechanism comprises a circular plate, and is characterized in that the center of the circular plate is hinged to one end of ascrew rod; a cross clamping groove is formed in the lower part of the screw rod; a cross rod is inserted in the cross clamping groove; the lower end of the cross rod is fixedly connected with a rotating disc; the lower side of the rotating disc is fixedly connected with one end of a spiral rod; the screw rod is in threaded connection with a sleeve ring; the lower end of the sleeve ring is fixedlyconnected with the upper ends of a set of cylinders uniformly arranged at the periphery; the lower ends of the all the cylinders are fixedly connected with rings; the cross rod is annularly sleeved with the rings; and the rings are hinged to the rotating disc. The invention relates to the field of cork uncapping equipment, in particular to a food and beverage cork uncapping mechanism. The mechanism can replace human hands to screw the spiral rod into corks to conveniently take out the corks.

The invention discloses a drainage instrument for the thoracic surgery department, and relates to the technical field of drainage devices.The instrument comprises a supporting plate and a negative pressure drainage device assembly, wherein the negative pressure drainage device assembly is fixedly connected to the top of the supporting plate; a drainage tube is installed on the top of the negative pressure drainage device assembly, and one end of the drainage tube is fixedly connected with a fixing tube in a sleeved mode. A threaded pipe is fixedly connected to the fixed pipe in a sleeving mode, a rotating cylinder is connected to the threaded pipe in a threaded mode, a first pressing ring is arranged at the bottom of the rotating cylinder, and a plurality of first spring rods which are evenly distributed are fixedly connected to the bottom of the first pressing ring. According to the device, the drainage tube is inserted into a surgical wound, the main fixing base is buckled on the body of a patient, and the joint of the wound and the drainage tube is shielded; then a rotating cylinder is rotated to drive a second pressing ring to press a main fixing seat, so that a first adhesive ring is adhered to the body of the patient, and the drainage tube is fixed; meanwhile, the wound is sealed, and air leakage is prevented.

The invention relates to the technical field of floor heating tube arrangement, in particular to a floor heating tube arranging and fixing device for housing construction. A long nail penetrates the upper surface of a fixed drum, a penetrating hole is vertically formed in a position, corresponding to the long nail, of the upper surface of the fixed drum, two connecting lugs distributed up and downare fixed to one side wall of the fixed drum, a second limiting clip and a first limiting clip are arranged in parallel on one side of the fixed drum, and leaning plates are arranged inside the second limiting clip and the first limiting clip. The floor heating tube arranging and fixing device for housing construction is novel in design and simple in structure. By adopting fixing modes of two shapes, a straight tube part can be fixed and a bend part is fixed in a right-angled manner, so that the practicality is improved and the fixing effect is improved. A clamping mechanism is inserted intoan insulating layer. As a result of an auxiliary fixing action between a barb and the insulating layer, the leaning plates are attached to the upper side of the floor heating tube all the time under the action of a telescopic mechanism to play an auxiliary limiting role, so that the floor heating tubes of different diameters are assembled.

The invention discloses a strapdown inertial navigation system support device which comprises a bottom plate, a back plate, a side plate and a support seat, wherein an L-shaped half-surrounded structure is adopted for the device, so as to provide a reasonable space for the mounting of a gyroscope, an accelerometer and a circuit board; a convex edge arranged on the bottom plate is aligned to and inlaminated contact with one side of the support seat, and the convex edge is used for providing protection and supporting for the support seat; a U-shaped groove is formed in the middle of the side plate on the bottom plate, and the U-shaped groove plays an assisted fixing role for the gyroscope close to one side of the side plate and provides space for the mounting and dismounting of the gyroscope; an accelerometer mounting inner slot is formed in the support seat, so as to provide a closed spaced for the accelerometer, and play a steady supporting role; and the mounting errors of the gyroscope and the accelerator are reduced due to the design and production of the whole machine parts.

The invention discloses a direct-irradiation-preventing arc water-cooling welding mask capable of achieving long distance welding, and relates to the technical field of welding masks. The problem thata welding mask is prone to falling off when being worn again is solved. The welding mask specifically comprises two fixing sleeves and a mask body, sleeves are clamped to the outer walls of the two fixing sleeves correspondingly, adjusting chambers are clamped to the outer walls of the sleeves, blocking columns are slidably connected to the inner walls of the two sides of each adjusting chamber correspondingly, the same connecting rod is welded to the two sides of the opposite outer walls of the two blocking columns, and a button is clamped to the outer wall of one blocking column; a second spring is clamped to the outer wall of the button and connected with the outer wall of the blocking column. Through the arrangement of the fixing bands, the fixing bands are connected with the racks, the two fixing sleeves are fixed to ears, the handles on the two sides are pulled, the racks extrude the baffles when moving downwards, after the positions are adjusted, the baffles can be clamped in teeth of the racks, the racks are fixed, the fixing bands can be attached to the head, and the fixing bands are matched with the auxiliary bands to fix the welding mask to the head of a human body andis prevented from falling.

The invention belongs to the technical field of machining, and particularly discloses a positioning tool with a good stabilizing effect for machining. To solve the problem that traditional fixing tools for round workpieces are mostly simple in structural design and have fewer fixing points, and consequently the fixing effect is unsatisfying, the following scheme is proposed. The positioning tool comprises a box base with supporting legs welded at four corners of the outer wall of the bottom, strip-shaped sliding grooves are formed in two sides of the outer wall of the top of the box base, frame-shaped sliding blocks are slidably connected to two ends of the strip-shaped sliding grooves, connecting plates are vertically welded on the outer walls of the tops of the two frame-shaped sliding blocks, and clamping mechanisms are fixedly installed at the top ends of the connecting plates. According to the positioning tool, through an arranged internal supporting mechanism, a gear motor can beused for driving a square internal column to rotate, corresponding first magnetic plates and second magnetic plates can have the same magnetic poles and generate large repulsive force, in cooperationwith the action of extension springs, movable sliding rods and arc-shaped supporting pieces tightly abut against a round workpiece, and stable supporting for the interior of the round workpiece is achieved.

The invention relates to a melt-blown non-woven fabric production raw material pretreatment processing system. The system comprises a workbench, an extrusion mechanism and a receiving mechanism, wherein the extrusion mechanism is mounted at the upper end of the workbench, the receiving mechanism is arranged at the lower side of the right end of the extrusion mechanism, and the lower end of the receiving mechanism is mounted on the upper end face of the workbench in a sliding fit manner. The melt-blown non-woven fabric production raw material pretreatment is carried out by adopting the design concept of the adjustable and controllable integrated structure, and operators can adaptively and accurately change an extrusion port of molten polymer according to size of a bobbin for receiving polymer trickle, and thereby the application range of the whole device is improved.

The invention discloses a working frame for machining, and relates to the field of machining. The working frame for machining comprises a support assembly, wherein a supporting plate is connected to the support assembly in a sliding mode; height adjusting assemblies are arranged on the support assembly and the supporting plate; a horizontal adjusting assembly is further arranged on the supportingplate; a clamping assembly is arranged on the horizontal adjusting assembly; and an auxiliary fixing assembly is further arranged on the support assembly, so that the whole working frame has very goodadjusting capacity, meanwhile, the working frame is suitable for machining of various parts and is used for various machining equipment, and very good applicability is achieved.

The invention relates to the technical field of cloth processing, in particular to a manual cloth pleating device. The manual cloth pleating device comprises a mounting plate, mounting bins, heating plates, a handrail and a water tank, wherein two groups of mounting bins are arranged on the bottom of the mounting plate; slide rails are arranged on the inner walls of the mounting bins, and two groups of heating plates are arranged; motors and transmission lead screws are arranged on the mounting bins; regulating knobs are arranged on the mounting bins; one end of the handrail is fixedly connected to the mounting plate, and a display module is embedded into the handrail; a mounting hole is formed in the mounting plate; a bracket is arranged inside the mounting hole, and an ejecting-out mechanism is arranged on the bracket; a plurality of water leaking holes are formed in the bracket; the bottom of the water tank is provided with a water outlet tube; a one-way sealing part is arranged inside the water outlet tube; the ejecting-out mechanism is inserted into the water outlet tube in a matched mode for ejecting out the one-way sealing part; a solenoid valve is connected on a water supply tube in series; and a signal line is arranged on the solenoid valve. The manual cloth pleating device has the effects of conveniently controlling pressure and the temperature, and is beneficial forproducing pleated fabric with good quality.

The invention relates to a collection, recycle and treatment technology for a foamed plastic advertising baseboard. The technology adopts a collection, recycle and treatment device for a foamed plastic advertising baseboard. The collection, recycle and treatment device for the foamed plastic advertising baseboard comprises a belt conveyor, a cutting device and a smashing device. The collection, recycle and treatment technology for the foamed plastic advertising baseboard adopts a work structure of cutting-smashing integrated formation for collecting, recycling and treating the foamed plastic advertising baseboard, the work process is simplified to a certain extent, the work time is shortened, a synchronous debris suction removal structure is adopted in the process of slitting the advertising baseboard, and the probability of the phenomenon that the debris flies everywhere and is adsorbed on equipment is lowered.

The invention relates to the technical field of environmental monitoring, in particular to a water sampling device for an environmental monitoring station. The device comprises a mounting bin, a driving motor, a guide pipe and a water taking head. A mounting box is arranged in the mounting bin; the mounting bin is provided with a push rod; a connecting rod is arranged at the bottom of the push rod, and a connecting piece is arranged at the bottom of the connecting rod; the periphery of the connecting rod is sleeved with an elastic piece; a piston is arranged in the mounting box, and the connecting piece is connected with the piston; a water outlet pipe is arranged on one side of the mounting box and extends out of the mounting bin; an inserting pipe is arranged at the bottom of the mounting box; a second valve is arranged at the top of the inserting pipe; a through groove is formed in the side, away from the water outlet pipe, of the mounting box; a cross rod is arranged on the connecting rod and extends out of the through groove; a connector is arranged on the mounting bin, and the inserting pipe is inserted into the connector; and a guide pipe is connected to the connector and isa hose. The device is convenient to operate, water can be automatically taken for sampling only by adjusting the depth of the water taking head, the labor intensity is reduced, and the working efficiency is improved.

The invention discloses machining equipment and a machining method for a street lamp post. The machining equipment comprises a bending machine body and a guide frame, wherein a hydraulic mechanism and a lower die are arranged on the bending machine body, an upper die is arranged at the telescopic end of the hydraulic mechanism, a roller is arranged at the top of the guide frame, driving mechanisms are arranged on the two horizontal sides of the lower die correspondingly, and the driving mechanism is composed of a rotating assembly and two pushing assemblies. According to the invention, the upper die of the bending machine body moves up and down, the clamping blocks are matched with the clamping grooves in a clamped mode, the guide rods are driven to move, and plate pushing is finally achieved. Compared with conventional manual power or independent pushing equipment, the equipment can move the plate through movement of the upper die of the bending machine, the distance between every two adjacent clamping grooves in the guide rod is equal to the distance between every two adjacent marks, and then manual operation or operation of independent equipment is not needed when the marks are bent every time, so that the machining steps are simplified, and the machining efficiency can be improved easily.

The invention provides cleaning and maintaining equipment for subway rail transit, relates to the technical field of railway maintenance, and aims to solve the problems that when an existing railway rail cleaning and maintaining device is used, rust or contaminated sundries on the two sides of a rail cannot be removed, and the two sides of the rail cannot be automatically clamped and cleaned. The equipment comprises a main body and a fence; the main body is of a rectangular structure, a driving motor is mounted at the top end of the main body, and moving wheels are connected with the two sides of the driving motor; the fence is fixedly installed at the edge position of the top end of the main body, and a transverse plate is arranged in the fence. A movable plate is used for being installed in a bottom groove, then a spring at the outer end of a pull block can be stressed to stretch, the movable plate can match a clamping plate to be used and installed, the movable plate and the clamping plate are made of elastic plates, the movable plate and the clamping plate can be conveniently clamped to the two sides of the rail, and when the device moves, the two sides of the rail can be scraped through the movable plate and the clamping plate, and then protruding iron rust or other sundries are cleaned and removed.

The invention discloses an end executor of a mechanical arm of a numerical control machine tool of an L-shaped high pressure pipe joint. The end executor comprises a main executor body, an oil guide box is fixedly arranged on the outer surface of one side of the main executor body, and a control cabinet is fixedly arranged on the outer surface of the other side of the main executor body. An indicator lamp is fixedly arranged on the outer surface of the front end of the control cabinet, and a threaded bolt is fixedly arranged on the outer surface of the upper end of the main executor body. A fixed screw thread I is arranged on the outer surface of the threaded bolt, and a safety bolt is fixedly arranged at the lower part, close to the fixed screw thread I, of the inner surface of the threaded bolt. A rotary buckle is fixedly arranged on the outer surface of one end of the safety bolt. The end executor is provided with the oil guide box, the safety bolt and a skid-proof rubber mat, thusthe executor has the advantages of convenience in lubrication, firm mounting, high safety performance and good application prospect.

The invention provides a foundation pit supporting structure for measuring foundation pit parameters, and relates to the technical field of foundation pit supporting. The protection mechanism is a foundation pit supporting structure body, and a contact mechanism is installed on the right auxiliary mechanism. A guide rod is mounted in a circular hole in the rectangular bulge on the sliding piece; the telescopic rod is installed on the side edge of the connecting piece. The slender rod is mounted in the telescopic rod through the spring; the contact piece is in contact with the moving piece; the moving part moves in the sliding groove, meanwhile, the contact part on one side of the connecting part is separated from the moving part, the slender rod drives the contact part to make contact with the main body through the reset effect of the spring, and wedge-shaped teeth on the sliding part are engaged with a gear on the adjusting part; and then the contact piece on one side of the sliding piece makes contact with the moving piece, so that the supporting effect is enhanced, and the problems that when an existing foundation pit supporting structure is used, an auxiliary supporting structure is incomplete, and the supporting effect cannot be enhanced according to requirements are solved.

The portable laser cleaning machine comprises a cabinet body, a field lens is arranged at one end of a cleaning head shell and communicates with the interior of the cleaning head shell, a fixing base is arranged at the bottom of the inner surface of the cleaning head shell, and a laser gun head is arranged at the top of the fixing base; a movable base is slidably connected to the position, between the field lens and the fixed base, of the bottom of the inner surface of the cleaning head shell, a focus lens is arranged at the top of the movable base, and a fixed block is arranged at the position, on one side of the field lens, of the bottom of the inner surface of the cleaning head shell. A distance sensor is arranged at one end of the field lens on the outer surface of the cleaning head shell. The device has the beneficial effects that the device is reasonable in design, simple and stable in structure and high in practicability; the problems that the focal length of an existing laser cleaning machine is fixed, when the laser cleaning machine is held by hand, the shaking range of an arm exceeds the laser focusing range, laser energy is not focused, and the laser cleaning efficiency and the cleaning smoothness are greatly reduced are solved.

The invention provides a special medicine oscillation device for orthopedic nursing, relates to the technical field of medicine treatment, and aims to solve the problem that an existing medicine oscillation device can easily separate and fly out after long-time oscillation due to the absence of a structure for assisting connection with a hand during use. The medicine oscillation device comprises a main body, a movable plate, fixing pieces and a guide rod. The main body is of a cylindrical structure, and an opening is formed in the side edge of the main body. The movable plate is inserted into and mounted in an insertion hole, and the movable plate is embedded in the opening position of the main body. The inner end of the guide rod penetrates through round holes in the middles of the upper end and the lower end of the main body. The fixing pieces are installed on the outer sides of the upper end and the lower end of the main body through springs, so that when the device is used for oscillation, the fixing pieces can automatically receive power of the springs to move, a fixing plate can be located on the outer side of a hand of a human body, the device is fixed in an auxiliary mode, and the device can be fixedly connected with the hand of a nurse and prevented from being separated during oscillation.