58results about How to "Play a role in supporting and stabilizing" patented technology

A covering type disinfection device for a clinical laboratory is disclosed. The device includes a disinfection cabinet. A disinfectant storage bin is fixedly mounted on one side of the top of the disinfection cabinet. A high-pressure liquid spraying pump at one side of the disinfectant storage bin is fixedly mounted on the top of the disinfection cabinet. A liquid suction pipe is fixedly connectedbetween the feeding end of the high-pressure liquid spraying pump and the disinfectant storage bin. The device is provided with liquid spraying holes arranged in a honeycomb manner so that mist spraying effects of a disinfectant are better and spraying is more uniform; medical instruments on a disinfection tray can be rotated as a whole and a disinfectant sprayer head can reciprocate left and right, thus further expanding the disinfection range of the disinfectant sprayer head, allowing the coverage area of the disinfectant sprayed by the disinfectant sprayer head to be larger, and making disinfection effects better and more uniform; and castors are provided to facilitate movement of the whole disinfection device by people.

The invention discloses a telescopic anaesthetic laryngoscope. The telescopic anaesthetic laryngoscope comprises a support and a laryngoscope assembly. The support has the effect of hanging the laryngoscope assembly. During the laryngeal examination, an operator does not need to operate by hands all the time. The laryngoscope assembly comprises a plastic and hollow arc section, a connection pipe detachably connected with the front end of the arc section and a visual sleeve member internally sleeving the connection pipe. The visual sleeve member is driven by a driving mechanism to axially slide along an inner cavity of the connection pipe to stretch out and retract. The visual sleeve member can also be adjusted to different lengths for use. A plastic circular-shaped sheath structure is employed so that the needs of application for different ages of patients are met. Meanwhile, the expansion and contraction principle of multiple air bags of two extension members is utilized for effectively supporting the laryngeal. Therefore, an endoscope can conveniently irradiate and carry out imaging operation. The air bags flexibly contact the laryngeal on multiple surfaces in a radial direction, thereby greatly reducing discomfort of the patients. Operation requirements are simplified and lowered. The need of the patients for application of laryngeal examination is effectively satisfied.

The invention relates to the technical field of medical instruments and discloses a high-efficiency medical instrument cleaning device. The high-efficiency medical instrument cleaning device comprisesa base. Supporting rods are fixedly connected to the left and right sides of the top of the base correspondingly. The top ends of the two supporting rods are fixedly connected through a main box. Thetop of the base is fixedly connected with a protection box. A motor is fixedly mounted on the internal bottom wall of the protection box. The top of the protection box is fixedly connected with the bottom of the main box. An output shaft of the motor penetrates through the top of the protection box and the bottom of the main box in sequence to extend into the main box. The output shaft of the motor is fixedly connected with a rotary rod through a coupling. The top end of the rotary rod is fixedly connected with a cleaning tank. The top of the cleaning tank is provided with an opening. Slide bars are fixedly connected to the bottom of the cleaning tank. The bottom ends of the slide bars are fixedly connected with sliding blocks. The high-efficiency medical instrument cleaning device is good in cleaning effect, capable of conducting automatic drying, high in efficiency and capable of saving time and labor.

The invention, which relates to the technical field of circuit fault detection, provides a wire clamping and fixing device for a fault indicator. The wire clamping and fixing device comprises a pedestal. A wire pressing device is arranged at one end of the top surface of the pedestal; and a wire clamping device is arranged at the other end of the top surface of the pedestal. The wire pressing device includes an arc pressing plate; and one end of the arc pressing plate is arranged on the top surface of the pedestal by a torsional spring. The wire clamping device includes a standing column platearranged at the other end of the top surface of the pedestal vertically; a guide slot is formed in one side wall of the standing column plate, wherein the guide slot faces an arc opening of the arc pressing plate; and a clamping plate is arranged in the guide slot horizontally and movably. Besides, a U-shaped compression spring is also arranged on the standing column plate; and the two ends of the U-shaped opening of the U-shaped compression spring are arranged at the opposite side walls of the standing column plate respectively. A support gasket block device is also arranged on the top surface of the pedestal. The wire clamping and fixing device has advantages of firm structure, improved installation stability and firmness, simple operation and the like.

The invention discloses a copper bar sawing and turning assembly line and a copper bar sawing and turning method thereof. The copper bar sawing and turning assembly line comprises a material storage platform, a beam frame type feeding machine, an automatic sizing and arc automatic adjusting device, a vertical two-wheel band saw, a turning mechanism and a stacking trolley, copper bars are placed on the material storage platform, the beam frame type feeding machine is arranged beside the material storage platform, a rack guide rail is arranged below a beam frame, the rack guide rail extends to the feeding end of the vertical two-wheel band saw, a feeding sizing trolley is arranged on the rack guide rail, the discharging end of the vertical two-wheel band saw is smoothly connected with a sawing rear roller way, the sawing rear roller way extends to the feeding end of the turning mechanism, the discharging end of the turning mechanism is smoothly connected with a stacking roller way, the stacking trolley is arranged beside the end of the stacking roller way, and a mechanical arm is arranged across the end of the stacking roller way and above the stacking trolley. The sawing and turning assembly line is simple in structure, saves space and manpower, improves the machining efficiency and improves the quality of finished products.

The invention discloses a telescopic anaesthetic laryngoscope. The telescopic anaesthetic laryngoscope comprises a support and a laryngoscope assembly. The support has the effect of hanging the laryngoscope assembly. During the laryngeal examination, an operator does not need to operate by hands all the time. The laryngoscope assembly comprises a plastic and hollow arc section, a connection pipe detachably connected with the front end of the arc section and a visual sleeve member internally sleeving the connection pipe. The visual sleeve member is driven by a driving mechanism to axially slide along an inner cavity of the connection pipe to stretch out and retract. The visual sleeve member can also be adjusted to different lengths for use. A plastic circular-shaped sheath structure is employed so that the needs of application for different ages of patients are met. Meanwhile, the expansion and contraction principle of multiple air bags of two extension members is utilized for effectively supporting the laryngeal. Therefore, an endoscope can conveniently irradiate and carry out imaging operation. The air bags flexibly contact the laryngeal on multiple surfaces in a radial direction, thereby greatly reducing discomfort of the patients. Operation requirements are simplified and lowered. The need of the patients for application of laryngeal examination is effectively satisfied.

The invention relates to a correcting device for correcting the coaxiality and straightness of a boring bar. The correcting device comprises a base, oblique beams, a top beam, a pressing mechanism anda supporting mechanism, and the supporting mechanism comprises two rolling shafts which are horizontally and parallelly arranged; the circle centers of the two rolling shafts are on the same horizontal line, and the included angle of connecting lines of the circle centers of the two rolling shafts and the boring bar is an acute angle; a correcting mechanism for correcting the coaxiality and straightness of the boring bar is arranged at one side of a fixed connecting rod and comprises a support arm and a dial indicator, a telescopic indicator head of the dial indicator is in contact with the surface penetrating through the axis of the boring bar, the boring bar is rotated, and the coaxiality of the boring bar is corrected by observing swinging of a pointer of a telescopic indicator head. The correcting device is reasonable in structure, convenient to use, capable of conducting automatic correction in advance, high in correcting accuracy, and convenient to operate; the technical problems are solved that in the using process of an existing boring bar, when the boring bar is slightly deformed, a workpiece has a large error, the product quality is influenced, and the enterprise production benefit is influenced. Compared with the prior art, the correcting device has a good market prospect and developing space.

The invention discloses an electric power case cabinet having detachable and foldable functions and convenient to carry. The cabinet structurally comprises a cabinet door, a door handle with a lock, and a cabinet body; the cabinet door is hinged to the front side of the cabinet body; and the center of one side of the cabinet door is provided with the door handle with the lock. Compared with the prior art, the cabinet has the beneficial effects that a detachable top cover, the cabinet body and a mounting base are arranged in a combined mode, so that the cabinet has the detachable and foldable functions; when the cabinet is moved out from a door slightly lower than the cabinet after being detached, inclination does not need to be carried out, the moving difficulty is small, and the collisionbetween the cabinet and a door frame is effectively avoided, so that the surface of the cabinet is prevented from being damaged; folding can be carried out during carrying, so that the occupied areais reduced; and a relatively large transport vehicle does not need to be used, and the transport amount of the transport vehicle can be increased, so that the transport cost is reduced.

The invention discloses a universal inner wall corrosion prevention and film forming device for bent and straight pipes, and belongs to the field of pipe inner wall corrosion prevention. The universalinner wall corrosion prevention and film forming device for the bent and straight pipes comprises a scraping plate and a sealing plate, wherein the end, close to the sealing plate, of the scraping plate is fixedly connected with a positioning plate, and an inner adaptive applying pipe is fixedly connected between the sealing plate and the positioning plate. According to the universal inner wall corrosion prevention and film forming device for the bent and straight pipes, the space between the sealing plate and the positioning plate is fully filled with a corrosion inhibitor, the corrosion inhibitor makes full contact with the inner wall of a pipe in the area, meanwhile, a plurality of soft brushes are used for brushing the inner wall of the pipe, so that the air gap between the corrosioninhibitor and the inner wall part of the pipe is effectively eliminated, and a uniform and complete anti-corrosion film is formed on the inner wall of the pipe; and the device has the characteristicsof high quality and high benefit in film formation, can be simultaneously suitable for the straight pipes and the irregular bent pipes through the internal adaptive applying pipe consisting of a rubber hose, elastic belts and the soft brushes, can carry out coating film formation process with the same effect on the straight and bent pipes, and has the characteristic of ultrahigh practicability.

The invention discloses a multipoint positioning back plate. The back plate is characterized by comprising a back plate main body, wherein a protruding annular belt is formed at the position close to the edge on the back plate main body, a plurality of fixing protruding bags for fixing are formed on the protruding annular belt, a plurality of positioning protruding bags for installation positioning and a plurality of containing protruding bags for containing are formed on the back plate main body, and the positioning protruding bags and the containing protruding bags are arranged in an area defined by the protruding annular belt. The multipoint positioning back plate has the advantages of being reasonable in structure, firm and durable. The fixing protruding bags are formed on the protruding annular belt which has the function of supporting and stabilizing when the back plate is fixedly connected with a plate structure for fixing the back plate, and the fixing protruding bags are not apt to distort or bend in stamping, so that strength of the structure is greatly improved. The rectangular containing protruding bags are formed on the back plate main body, so that the multipoint positioning back plate has larger containing space.

The invention discloses a construction engineering formwork support frame. The support frame comprises a first support plate, a first roller, support rods, a second roller, a second support plate and a third roller, wherein two support rods are arranged between the first roller and the third roller, the support rods are connected through the first roller with the first support plate, the first support plate is connected through the second roller with the second support plate, the second support plate is connected through the third roller with the support rods; aluminum alloy material is mainly adopted by the support frame, in construction work, a good hardness is provided by the material, the impact force of the concrete can be withstood, and the template are not conducive to deformations; and because of the aluminum alloy material, damages do not occur during the disassembly process, and the support frame can be used continually; after the disassembling of the support frame, by rotating on the second roller through the first support plate and the second support plate, a plane is formed by the support frame, the space spend is effectively reduced, and the conveniences of storage and carry are provided.

The invention belongs to the sensor technology field and especially relates to a flexible pressure sensor and a manufacturing method. The flexible pressure sensor comprises a first flexible substrate,a first flexible conducting layer, a second flexible conducting layer and a second flexible substrate which are successively stacked. The first flexible conducting layer comprises first embossment arrays which are arranged periodically. The second flexible conducting layer comprises second embossment arrays which are arranged periodically. The first embossment arrays and the second embossment arrays are arranged adjacently. The first flexible conducting layer and the second flexible conducting layer contain a conductive composite material. The flexible pressure sensor possesses characteristics of high sensitivity, rapid response time and good stability.

The invention discloses a rudder angle feedback device positioning and mounting method-, which includes the following steps: mounting a rudder angle transmitter base on a rudder; obtaining a distancevalue L from the positioning hole to the center of the steering gear body, and an included angle A between the straight line of the positioning hole to the center of the steering gear body and the horizontal direction; fixing the rope on the marking pin of the positioning tooling, turning the adjusting lever to find out the position of the positioning hole; placing the rudder angle transmitter according to the position of the positioning hole and adjusting the adjusting bolt so that the display rudder angle of the rudder angle indicator coincides with the actual rudder angle; Locking and securing the rudder angle transmitter. The invention adopts the designed rudder angle transmitter base and positioning fixture to fix the rudder angle transmitter, During the installation process, the positioning hole of the rudder angle transmitter can be determined at one time without repeatedly shifting and adjusting the base position, which saves the installation time of the rudder angle feedback device, improves the installation efficiency of the rudder angle feedback device and saves the installation positioning cost.

The invention provides an oxygen cylinder fixing device for medical nursing. The oxygen cylinder fixing device comprises an oxygen cylinder base on which a vertical baffle plate is fixed. The verticalbaffle plate is provided with a cylinder body clamping device which can clamp the cylinder body of the oxygen cylinder, and a bottleneck clamping device which can clamp and fixes the bottleneck of the oxygen cylinder. The cylinder body clamping device and the bottleneck clamping device are mounted on the vertical baffle plate, or the bottle body clamping device and the bottleneck clamping deviceare fixedly mounted on different fixing modules. According to the oxygen cylinder fixing device, the oxygen cylinder is fixed through a spring sleeve half ring, a bottle clamp and an oxygen cylinder sink tank, thereby effectively preventing overturning or collision of the oxygen cylinder in a storage or use process, improving safety and reducing explosion accidents.

The invention relates to a communication tower with supporting and anti-climbing functions. The communication tower comprises a support column, a climbing ladder, two antennas, a supporting mechanism,and a protecting mechanism; the supporting mechanism comprises an overturning component and an auxiliary component; and the protecting mechanism comprises a lifting component and an expulsing component. According to the communication tower with the supporting and anti-climbing functions, supporting blocks can simultaneously support and stabilize a pedal in the process of overturning and unfoldingthe pedal through the supporting mechanism so that workers can conveniently perform inspection and maintenance on the pedal, the working difficulty of high-altitude suspension is reduced, and inspection and maintenance of the tower are safer and more reliable; and through the protecting mechanism, a lifting plate can isolate the climbing ladder at the high part of the tower, and can control sprayheads to spray water to expulse irrelevant personnel, so that the anti-climbing effect of the tower is enhanced, and the practicability and the reliability of the communication tower are greatly improved.

The invention relates to the technical field of passive houses, and particularly discloses an energy-saving thermal insulation building wall. The thermal insulation building wall comprises a heat insulation fireproof layer, a middle filling layer, a sound insulation layer and a supporting steel structure located in the middle filling layer, wherein the thermal insulation fireproof layer comprises,by weight, 100 parts of unsaturated polyester resin, 10-40 parts of styrene, 0.5-3 parts of a foaming agent, 0.5-5 parts of a curing agent, 1-5 parts of a surfactant, 15-40 parts of a flame retardant, 10-20 parts of thermal insulation cement gum and 8-15 parts of asbestos; the middle filling layer comprises, by weight, 22-25 parts of light ceramic, 25-30 parts of light concrete, 10-15 parts of expanded perlite, 8-14 parts of polyethylene, 10-15 parts of silicon carbide, 6-10 parts of alkali-resistant glass fibers, 8-10 parts of wood fibers, 8-15 parts of calcium carbonate, 3-5 parts of a binder, 2-2.5 parts of a dispersing agent and 2-5 parts of a stabilizer; and the sound insulation layer comprises a surface silencing layer, a reflecting layer and a sound insulation cotton layer. The building wall provided by the invention has the characteristics of thermal insulation, heat insulation, sound insulation and light weight.

The invention relates to a medical isolation eyeshade. The eyeshade comprises an eyeglass frame, an attaching part made of a soft material and lenses arranged on the eyeglass frame; a nose pad part attached to the nose bridge of a human face is arranged on the edge of the outer side of the attaching part, an attaching covering part used for being attached to the nose bridge and a nose back is arranged at the top of the nose pad part, pressing assemblies extending towards the center of the nose pad part are arranged on the two sides in the vertical direction of the nose pad part, and the pressing assemblies are located at the lower end of the nose pad part; the pressing assemblies comprise pressing parts, notches are formed in the joints of the pressing parts and the attaching covering part, the ends, close to the nose pad part, of the pressing parts are bent inwards, and the pressing parts are used for pressing a mask downwards in the direction of the nose back; and the attaching covering part and the pressing assemblies are all made of elastic materials. The eyeshade has the effect of solving the problem that fogging is prone to occur on the isolation eyeshade.

The invention relates to a multi-functional combined type positioner. The multi-functional combined type positioner comprises a running ruler and a positioning ruler; the running ruler and the positioning ruler are each a straight ruler; the running ruler is hinged with the positioning ruler through a hinging part; the positioning ruler is positioned above the running ruler; the lower side of therunning ruler is provided with a first positioning step; the first positioning step is matched with a straight side of a to-be-machined sheet in a positioning manner; the upper side of the positioningruler is provided with a second positioning step; the second positioning step is matched with a base plate of a hand chainsaw in a guidance manner; the hinging part comprises a bolt and a locknut ora nut which is matched with the bolt; and when the locknut or the nut is locked, a certain included angle can be kept between the running ruler and the positioning ruler. The multi-functional combinedtype positioner provided by the invention can assist the hand chainsaw to improve the cutting precision and can simultaneously improve the cutting efficiency.

The invention discloses a stable wearable device suitable for an electric power operator. The stable wearable devic comprises: a wearable sensing device which is worn on the wrist of a human body to collect the health data or surrounding environment data of the human body, and transmits the data to the outside; a wearable gateway, and two fixing lugs used in cooperation with the wearable gateway to wear the upper portions of the sleeves, wherein wearable gateway comprises a gateway body, fastening belts are arranged on the two sides of the gateway body, the fastening belts on the two sides penetrate through the corresponding fixing lugs respectively to be fastened to the big arms of the human body, a microphone is arranged at the upper part of the gateway body, voice communication is carried out through the microphone, an electronic display screen is arranged in the middle of the gateway body, a wireless receiver is arranged on the lower portion of the gateway body and used for receiving data collected by the wearable sensing device and displaying the data on the electronic display screen, an antenna is arranged at the top of the gateway body, and monitoring data are sent to a background monitoring center through the antenna.

The invention discloses a unisexual structure signboard for municipal urban roads, which comprises a supporting and stabilizing pier, the top of the supporting and stabilizing pier is provided with a supporting column, the top of the supporting column is provided with a sign, the two sides of the supporting and stabilizing pier are provided with fastening plates, the fastening plates are fixed on the ground through screws, and the fastening plates are fixed on the ground through screws. The supporting and stabilizing pier is of a C16 structure, and a stabilizing mechanism is arranged in the supporting and stabilizing pier. The unisexual structure signboard has the beneficial effects that the supporting and stabilizing pier of a C16 structure is arranged at the bottom of the supporting column, the supporting and stabilizing effect can be achieved, the phenomenon that the signpost shakes left and right and collapses under strong external wind power is prevented, and stability and safety are improved.

The invention discloses a rudder angle feedback device positioning and mounting method-, which includes the following steps: mounting a rudder angle transmitter base on a rudder; obtaining a distancevalue L from the positioning hole to the center of the steering gear body, and an included angle A between the straight line of the positioning hole to the center of the steering gear body and the horizontal direction; fixing the rope on the marking pin of the positioning tooling, turning the adjusting lever to find out the position of the positioning hole; placing the rudder angle transmitter according to the position of the positioning hole and adjusting the adjusting bolt so that the display rudder angle of the rudder angle indicator coincides with the actual rudder angle; Locking and securing the rudder angle transmitter. The invention adopts the designed rudder angle transmitter base and positioning fixture to fix the rudder angle transmitter, During the installation process, the positioning hole of the rudder angle transmitter can be determined at one time without repeatedly shifting and adjusting the base position, which saves the installation time of the rudder angle feedback device, improves the installation efficiency of the rudder angle feedback device and saves the installation positioning cost.

The invention discloses an engineering supervision sample storage cabinet, which comprises a device body, wherein limiting sliding grooves are symmetrically formed in the left side and the right side of the inner cavity of the device body, first fixing rods are fixedly connected to the middles of the inner cavities of the limiting sliding grooves, a sealing groove is formed in the top of the device body, a hydraulic push rod is fixedly connected to the bottom of the inner cavity of the device body, a bottom plate is fixedly connected to the bottom of the inner cavity of the device body, and first sliding blocks are symmetrically and fixedly connected to the left side and the right side of the bottom plate. According to the engineering supervision sample storage cabinet, the inner cavity of the device body can be sealed through cooperation of a sealing strip and a sealing groove, so that samples cannot deteriorate; and a hydraulic push rod is matched with the first sliding blocks of a bottom plate, limiting sliding grooves and first fixing rods, the bottom plate can be pushed upwards by controlling the hydraulic push rod, so that a supporting rod and a supporting plate are moved out from the interior of the device body, and samples are convenient to store.

The invention discloses a rotation buffering device for a meal furnace cover. The invention belongs to the technical field of meal furnace cover rotation. Device comprising a device body, wherein a furnace body is arranged at the bottom of the device main body; the top of the furnace body is rotationally connected with a furnace cover; the bottom end of one side of the furnace cover is rotationally connected with a rotating shaft, a supporting assembly is arranged at the top end of one side of the furnace body, buffer assemblies are arranged at the two ends of the top of the supporting assembly, rotating assemblies are arranged on the sides, close to the furnace cover, of the buffer assemblies, and a handle is arranged on one side of the top of the furnace cover. According to the invention, the elastic part is arranged; the sleeve is matched with the sleeve rod; the buffering and supporting effects on the rotated furnace cover are conveniently achieved; Meanwhile, the rotating shaft isarranged, so that the rotating friction force between the furnace cover and the furnace body is reduced, the rotating effect of the furnace cover and the furnace body is better, the rotated furnace cover is perpendicular to the furnace body, and therefore the occupied area is reduced to a certain degree.

The invention relates to the technical field of footwear and discloses safety shoes facilitating stable stress. Each shoe comprises a shoe body, a shoe sole is fixedly connected to the bottom of eachshoe body, and a shoe heel is fixedly connected to the right side of each shoe body; multiple heat dissipation holes are formed in the front surface and the back surface of each shoe sole, a protection cover is fixedly connected to the top of each shoe body, and a hook-and-loop fastener is fixedly connected to the front surface of each protection cover. According to the safety shoes facilitating stable stress, through arrangement of mounting holes, mounting plates, supporting plates and anti-skid teeth, the supporting and stabilizing function is achieved when the feet are stressed, then the stress-resistant anti-skid effect is achieved when workers are in a great-effort working state, physical balance and stability of the workers during stressed work are guaranteed, the situation is avoided that the workers slip down, when a supporting structure which is arranged in the mounting hole is not stressed, normal walking and usage cannot be influenced, and accordingly the effect that convenience is provided for the workers to be stably and firmly stressed and supported is achieved.

The invention provides a construction method of a flame-retardant support system for an oil storage tank, and relates to the technical field of construction of upper-layer and lower-layer complete structures of the oil storage tank. The construction method comprises the steps that foundation scribing is conducted, specifically, the horizontal height of a supporting piece mounted in the oil storage tank is determined, and the overall foundation surface is determined; and mounting is conducted, specifically, a flame-retardant support and flame-retardant particles at the bottom of the oil tank are mounted by constructors through the determined foundation surface. The flame-retardant support constructed through the construction method is matched with a tank body to achieve the functions of flame retarding, oil seepage and water seepage, after irregularly-leaked oil is extinguished through the flame-retardant support, the irregularly-leaked oil permeates into the oil storage tank, if oil which still burns with the extremely small probability exists, a flame-retardant layer laid at the bottom of the tank body can achieve secondary flame retarding on the oil in the tank body, the temperature of an overall cavity of the bottom of the oil tank is decreased, the oil naturally flows into an oil drainage well, under the action of a double-layer extinguishing mechanism, the flowing speed of the oil is greatly decreased, and a certain buffer time is bought for fire rescue before the fire rescue arrives so as to prevent accidents from being further expanded.

The invention relates to the field of building construction safety protection, in particular to a safety protection device for sloping roof construction. The safety protection device for sloping roof construction comprises a supporting mechanism, a climbing mechanism, a pull rope mechanism and a non-return mechanism, wherein the climbing mechanism comprises a climbing plate with foot placement grooves uniformly formed in the top, and the pull rope mechanism and the non-return mechanism are arranged in the climbing plate; when construction is carried out on a sloping roof, the climbing plate is attached to the sloping roof around the section, connected with a baffle, of the climbing plate under the action of gravity, the climbing plate can adapt to various sloping roofs with different gradients, the application range of the device is widened, and a supporting plate and the baffle play a supporting and stabilizing role; in the construction process, when construction tools or construction materials accidentally slide down from the sloping roof, the supporting plate plays a role in blocking, the influence of objects falling from high altitudes on construction safety is prevented, and meanwhile a safety rope is intermittently tightened; when a constructor needs to go down from the climbing plate, the safety rope can be controlled through a connecting rod, the constructor can freely go up and down the climbing plate, and safe construction is not affected.

The invention discloses a double-layer oil tank rotary welding mechanism, and relates to the technical field of rotary welding. The double-layer oil tank rotary welding mechanism comprises a fixed plate, a motor, oil tanks, an oil tank rotary table, welding clamps and an electric welding machine, wherein the motor comprises a motor body and a motor support, the lower surface of the motor support is welded to the upper surface of the fixed plate, one surface of the motor body is connected with the motor support through threaded holes, a plurality of first mounting holes are formed in the lowersurface of the fixed plate, and the lower surfaces of a plurality of welding clamps are connected with the plurality of first mounting holes respectively. According to the double-layer oil tank rotarywelding mechanism disclosed by the invention, through arrangement of a rotary tray, a fixed rod, a first rotary support and a second rotary support, the synchronous rotation of the oil tanks at two sides can be guaranteed, and stability of weldments in the welding process is guaranteed; through arrangement of clamp rollers, the oil tanks can be supported and stabilized, friction between the oil tanks and the supports can be reduced, the weldments are kept stable in the welding process, and the noise generated by friction is reduced.

The invention relates to the field of construction safety protection, in particular to a safety protection device for inclined roof construction, comprising a support mechanism, a climbing mechanism, a pulling rope mechanism and a non-return mechanism. The climbing board, the pulling rope mechanism and the non-return mechanism are arranged in the climbing board; when the inclined roof is under construction, the climbing board is attached to the inclined roof around the part of its connection with the baffle under the action of gravity. It can adapt to various inclined roofs with different inclinations, which increases the scope of application of the device, and the support plate and baffle play a supporting and stabilizing role. To the blocking effect, to prevent the impact of high-altitude falling objects on the construction safety, at the same time, the safety rope is intermittently tightened; when the construction personnel need to get off the climbing board, the safety rope can be controlled by the connecting rod, and the construction personnel can climb up and down freely. Climbing boards without affecting safe construction.