335results about How to "Prevent deformation" patented technology

The invention relates to the technical field of laser tapping, in particular to a portable steel pipe laser tapping machine. Comprising a laser cutting head, a driving motor, a mounting cylinder, a connecting plate, a compression spring, a fixing assembly and the like, the laser cutting head is slidably connected with the mounting cylinder, the connecting plate is connected to the outer wall of the laser cutting head, the compression spring is connected with the mounting cylinder and the connecting plate, and the fixing assembly is used for fixing the position of the driving motor. And then the driving motor drives the mounting cylinder to rotate, and the laser cutting head can be driven to rotate with the output shaft of the driving motor as the center point so as to accurately draw a circle and open a hole in the surface of the steel pipe body. The position of the driving motor can be fixed through the switch magnetic base, then through the action of the driving motor, the laser cutting head can be driven to rotate with the output shaft of the driving motor as the center point to conduct precise circle drawing and trepanning on the surface of the steel pipe, in this way, the situation of trepanning deformation can be prevented, and the trepanning effect is guaranteed.

The present invention relates to the technical field of dust suppression equipment, and discloses a dust suppression equipment for construction engineering, including a storage water tank, an output hose is fixedly provided on the upper end thereof, and a receiving assembly is fixedly provided on the output hose, and the receiving assembly is arranged inside a first air duct, and a second air duct is fixedly installed on the right side of the first air duct; a connecting assembly is arranged on the receiving assembly, and a fixed nozzle is fixedly provided on the upper end of the connecting assembly. The dust suppression equipment for construction engineering can drive the extension arc plate to move through the operation of the first telescopic rod, and at this time the connecting arc pad begins to shrink, so as to achieve the purpose of reducing the position of the air outlet, that is, to increase the pressure of the air flow, and ensure the range of the dust suppression cannon fog machine, and the extension arc plate can stay at any position, so as to achieve multi-level adjustment of the caliber of the air outlet, and as the energized coil is energized, the electrorheological fluid becomes solid, so as to achieve connection and fixation between the extension arc plates, and avoid deformation of the extension arc plates due to force.

The invention relates to the field of paperboard die cutting, in particular to a rotary die cutting device and process based on paperboard negative pressure adsorption, and the rotary die cutting device comprises a rack, a negative pressure device and a control mechanism; a vertical plate and a mounting beam are arranged on the rack, a knife roll and a bottom roll are arranged on the vertical plate, a gap for a paperboard to pass through is formed between the knife roll and the bottom roll, and the mounting beam is movably arranged on the vertical plate; the negative pressure device comprises a mounting frame, a transmission belt and a negative pressure assembly; the mounting frame is movably arranged on the vertical plate, two supporting rollers are arranged on the mounting frame, the two supporting rollers are sleeved with the transmission belt, and a motor used for controlling the supporting rollers to rotate is arranged in the mounting frame; the negative pressure assembly is arranged on the mounting frame; the control mechanism comprises a lifting assembly and a linear driving assembly. According to the paperboard die cutting device, the function of stably conveying paperboards while die cutting machining is conducted on the paperboards is achieved, and the problem that the machining precision is affected due to the fact that the paperboards deviate in the machining process is solved.

The invention provides a double-end clamp structure, which relates to the field of laser cutting and comprises a clamp device, a feeding thread driving rod and a sliding frame, the feeding threaded driving rod is connected into the threaded through hole of the sliding frame in a meshed mode. The clamp device comprises a rotating shell, a baffle, a sliding cylinder, a motor frame, a driving gear, a clamping motor, a rotating cylinder, a spring, a guide column and a clamping block. A motor frame is welded to the rear side face of the rotating shell, a clamping motor is connected to the rear side face of the motor frame through bolts, a driving gear is installed on a motor shaft of the clamping motor, and the rotating shell is welded to a spring; the spring is welded with the clamping block; the outer side face of the rotating cylinder is in engaged connection with a sliding cylinder. Through the arrangement of the clamp device, the feeding threaded driving rod and the sliding frame, stable clamping and fixing of the two ends of the metal pipe fitting in the laser cutting process are achieved, the cutting efficiency of the metal pipe fitting is improved, and the problems that in traditional laser cutting, cutting of the metal pipe fitting is not stable, and the cutting machining efficiency is low due to manual drawing of the pipe fitting feeding are solved.

The utility model provides a hazardous waste transfer device which comprises a transfer plate and a hazardous waste storage barrel, the hazardous waste storage barrel is placed above the transfer plate, a collecting assembly is arranged between the hazardous waste storage barrel and the transfer plate, and a limiting assembly is arranged above the collecting assembly. The blocking ring can limit the bottom of the hazardous waste storage barrel to prevent the hazardous waste storage barrel from moving in the transferring process, the limiting ring can limit the upper half portion of the hazardous waste storage barrel to prevent the hazardous waste storage barrel from shaking and colliding with each other in the transferring process, and therefore the transferring stability of the hazardous waste storage barrel is improved. When the hazardous waste storage barrel leaks in the transferring process, leaked liquid hazardous waste can directly flow downwards into the collecting cavity through the supporting net plate, the situation that the leaked liquid hazardous waste is scattered to the external ground to cause pollution is avoided, and therefore the safety of the hazardous waste storage barrel in the transferring process is guaranteed.

The invention provides an RFID (Radio Frequency Identification) electronic tag laminating process for a tire and an RFID electronic tag laminating mechanism for the tire. The laminating process for the RFID electronic tag for the tire comprises the steps that a driving part drives a lower-layer sizing material and an upper-layer sizing material to move in the conveying direction; when the RFID electronic tag is pressed, the driving part stops, the upper-layer sizing material and the lower-layer sizing material stop conveying, and the upper-layer sizing material and the lower-layer sizing material are pressed together through the pressing part, so that the RFID electronic tag between the upper-layer sizing material and the lower-layer sizing material is pressed in the sizing materials; and after the pressing piece finishes pressing, the driving piece acts again and drives the rubber material on which the RFID electronic tag is pressed to be continuously conveyed. According to the invention, the problem that the RFID electronic tag laminated by the RFID electronic tag laminating process in the prior art is easy to deform is solved.

The invention discloses a cloth cutting machine with a blade replacement function, and relates to the technical field of cloth processing, the cloth cutting machine comprises a cutting bed, the top of the cutting bed is provided with at least two first linear modules, the two first linear modules are symmetrically arranged on the cutting bed, the two first linear modules are provided with air cylinders, and the air cylinders are symmetrically arranged on the cutting bed; the tops of movable shafts of the two air cylinders are jointly and fixedly connected with a second linear module, and a blade replacing assembly is arranged on the second linear module. Through the arrangement of the rotating disc and the blade frame, the motor drives the driving disc to rotate after being electrified, so that the blade clamps without the cutting blades are rotated to the position under the protective cover, the cutting blades for different pieces of cloth in one-time production operation can be installed at the same time, the corresponding cutting blades do not need to be manually replaced after the cloth is switched every time, and the production efficiency is improved. The number of times that an operator contacts with the blade is reduced, production efficiency is improved, and meanwhile the risk that the operator is prone to being injured due to frequent contact with the cutting blade is reduced.

The invention relates to the technical field of coal mine tunnel roof cutting and pressure relief, and discloses a coal mine tunnel roof cutting and pressure relief device which comprises a fixed mounting base, a protective bottom plate is fixedly connected to the bottom end of the fixed mounting base, a plurality of universal wheels are fixedly connected to the bottom end of the protective bottom plate, and a supporting protective column is fixedly connected to the top end of the fixed mounting base. A group of sewage tanks which are symmetrical front and back are formed in the opposite side, away from the supporting protection column, of the fixed mounting base, a leakage plate is fixedly connected to the top end of each sewage tank, and a supporting plate is fixedly connected to the opposite side, away from the sewage tanks, of the fixed mounting base. And meanwhile, a certain positioning function can be achieved on a connecting plate through an A-shaped connecting frame, a positioning sliding block and a vertical guide sliding rail, so that the stability of the protective lifting seat during movement is improved.

The utility model discloses a container chassis and a container. The container chassis comprises a bottom side beam and a first bottom inclined reinforcing beam. The bottom side beams extend in the length direction of the container underframe. The two parallel bottom side beams are arranged at intervals in the width direction of the container underframe. The two ends of each first bottom inclined reinforcing beam are connected to the two bottom side beams correspondingly and incline in the width direction, and the at least two first bottom inclined reinforcing beams are arranged in a V shape in the length direction. According to the container bottom frame, the first bottom inclined reinforcing beams arranged in the V shape form a truss structure on the container bottom frame, so that when the container bottom frame is influenced by acceleration, loads can be transmitted on the container bottom frame and transmitted to the bottom side beams through the first bottom inclined reinforcing beams, stress of the container bottom frame is dispersed, the deformation condition is avoided, and the service life of the container bottom frame is prolonged. The service life of the container chassis is prolonged.

The invention relates to the technical field of leaky coaxial cable production, in particular to a leaky coaxial cable production method which comprises the following steps: S1, welding an inner conductor; s2, foaming and extruding to form an insulating layer; s3, seamless welding of the outer conductor; s4, performing laser hole cutting on the outer conductor through laser processing equipment; and S5, sheath processing. According to the leaky coaxial cable production method, after the outer conductor is seamlessly welded into the circular tube, slotted hole cutting is carried out on the outer conductor through laser, the roundness of the outer conductor can be better, meanwhile, the situations of slotted hole deformation, wrinkling and the like can be reduced, and the cable performance is improved.

The invention discloses an anti-floating device for an electric power pipe bank, and relates to the technical field of road construction. The device comprises a plurality of first side plates, a plurality of second side plates, a plurality of supporting seats and two rack plates, according to the power pipeline support, the multiple supporting bases, the first side plate and the second side plate are spliced together through the splicing mechanism according to the number of power pipelines, so that the multiple supporting bases, the first side plate and the second side plate form a whole, different numbers of power pipelines can be supported according to the arrangement number of the power pipes, and the power pipeline support is flexible, convenient and high in practicability. By means of the supporting mechanism and the fixing mechanism, the multiple supporting bases, the first side plate and the second side plate are fixed to a concrete bottom plate of the bottom wall of the construction foundation pit, the multiple fixed supporting bases fix the power pipeline penetrating through the penetrating groove hole, and in the concrete solidification process, the situation that the power pipeline floats upwards to cause deformation of concrete is avoided; and therefore, the construction quality of the electric power pipe bank is effectively improved, and meanwhile, the construction efficiency of the electric power pipe bank is improved.

The invention provides a reinforcing steel bar bending resistance detection device for civil engineering. The reinforcing steel bar bending resistance detection device structurally comprises a positioner, a mainframe box, a control panel, a supporting column, a parallel plate, a detection structure and a detection cavity, on the basis of newly-added components in the detection cavity, three steel bars can be inserted in parallel at the same time through the restraining plates on the left side and the right side of the bearing body and the three inserting grooves, the middle sections of the steel bars can be suspended in the cavity area, and therefore when the detection structure is pressed downwards for detection, the two ends of the steel bars are limited in the restraining plates and cannot tilt up; therefore, the parallel fixity of the steel bar is improved, the middle section area does not deviate during downward pressing detection, the detection accuracy and the safety coefficient of the steel bar can be improved, meanwhile, the limiting ring at the edge of the inserting groove can be combined with the reinforcing column to improve the overall hardness, and the deformation condition caused by the continuous influence of the pressure at the two ends of the steel bar is avoided; therefore, the steel bar can be continuously maintained in a circular shape, and the steel bar is prevented from being stuck inside after deformation.

The invention relates to the field of photovoltaic cleaning, in particular to photovoltaic intelligent cleaning equipment which comprises a shell arranged on the surface of a photovoltaic panel and a supporting frame used for supporting the photovoltaic panel, a brush and a sponge rolling wiper are arranged in the shell, and a moving assembly used for driving the shell to move is arranged on the supporting frame. A sprayer and a scraper blade are arranged on the two sides of the moving direction of the shell respectively, a lifting frame connected with the brush and the sponge rolling eraser is arranged in the shell, a driving assembly used for driving the brush and the sponge rolling eraser to operate is arranged on the lifting frame, and upper pressure control assemblies used for controlling the downward pressure degree of the lifting frame are arranged on the two sides of the shell respectively. According to the photovoltaic panel cleaning device, the upper pressure control assembly is used for controlling the pressure of the brush and the sponge rolling wiper on the photovoltaic panel, and the lower buffer assembly is used for relieving the pressure of the brush and the sponge rolling wiper on the photovoltaic panel, so that the effective cleaning effect is achieved under the condition that the photovoltaic panel is not damaged; the cleaning effect is improved, and the quality of the photovoltaic panel is guaranteed.

The utility model discloses a pressure control valve, and relates to the technical field of pressure control valve devices. The valve comprises a valve main body, an air inlet pipe, an air outlet pipe, a fixed plate and a filter plate, wherein the filter plate is positioned at one end of the fixed plate; the control mechanism comprises a rotating plate arranged in the valve body, and one end of the rotating plate is attached to the fixing plate. According to the utility model, the control mechanism is arranged; the output end of a driving motor rotates to drive a rotating plate to rotate through mechanical transmission, the rotating plate rotates to open or close an air vent formed in a fixed plate, compared with arrangement of a traditional swing valve, the occupied space of the device is reduced, meanwhile, the air vent of the fixed plate is symmetrical when being opened, and the device is convenient to use. And therefore, when air passes through the ventilation opening, the stress of the fixing plate is uniform, the situation that the fixing plate deforms after being used for many times is avoided, and the service life of the fixing plate is prolonged.

The utility model relates to the technical field of diaphragm roll transportation, in particular to a battery diaphragm roll storage rack. According to the utility model, the movable base is used, so that the carrying convenience of the diaphragm roll can be improved. And the diaphragm roll can be prevented from sliding off from the cantilever rod in the transportation process while being hung by using the horizontally upwarped cantilever rod, so that the transportation stability is improved. And meanwhile, by using the reinforcing pieces, the connecting strength between the cantilever rod and the vertical frame can be improved, the situation that the connecting position of the cantilever rod and the vertical frame is deformed due to vibration in the bearing and conveying processes is avoided, and the conveying stability is further improved. And the base, the vertical frame and the cantilever rod are matched, so that the constant speed and the single-time transportation volume of the diaphragm roll can be effectively improved.

The utility model relates to the technical field of wire-electrode cutting discharging, and discloses a wire-electrode cutting discharging mechanism which comprises a machining table, a cavity is formed in the machining table, four transmission blocks are slidably connected to the inner wall of the bottom side of the cavity, every two of the four transmission blocks form a group, and each group of transmission blocks is provided with a two-way lead screw in a spiral transmission mode; the top sides of the four transmission blocks are rotationally connected with clamping rods correspondingly, the top side of the machining table is fixedly connected with a U-shaped frame, and the rear side of the U-shaped frame is fixedly connected with a motor. Therefore, the situation that the cutting face of the workpiece deforms due to high temperature and collision can be effectively avoided, the defective rate of the workpiece is effectively reduced, application and popularization are facilitated, the screening plate can screen particles left when the surface of the workpiece is cut, and it is avoided that the particles are accumulated on the surface of the workpiece to affect follow-up recovery.

The invention relates to the technical field of motor shell punching, and discloses a small and special motor shell mounting hole punching device which comprises an operation table; the supporting assembly is used for supporting and fixing the motor shell; the cleaning assembly is used for cleaning the punched motor shell; the polishing assembly is used for polishing the warped edge on the motor shell; a perforating machine is installed on the operation table, the supporting assembly comprises a motor, the motor is installed at the bottom of the operation table, and the output end of the motor is connected with a first gear. Through the arrangement of the supporting assembly, the two supporting rods and the two elastic rods are matched to support and fix the interior of the motor shell, and when the two supporting rods rotate to convey the motor shell to the position below the perforating machine for perforating operation, the motor shell is conveyed to the position below the perforating machine through an internal supporting mode; and the situation that the motor shell deforms during punching is avoided as much as possible, so that the product quality is improved.

The utility model discloses a floating type rubber fender which comprises rubber sheets, side plates are installed between the two sets of rubber sheets, baffles are installed on the top faces of the side plates, an arc-shaped covering plate, a hinge piece and a hinge strip are arranged, the rubber fender can be protected, and when the arc-shaped covering plate, the hinge piece and the hinge strip are collided by the outside, the rubber fender can be prevented from falling off. The rubber sheet, the hinge strip and the hinge piece can be slightly bent, meanwhile, a side plate on a baffle below an arc-shaped covering plate can slightly move by a small distance in the direction of a shaft body, then the bottom end of the outer wall of a sliding rod can slide into a spring barrel, a reset spring can be squeezed, and after collision is finished, the reset spring can rapidly bounce up to push the sliding rod out of the spring barrel, so that the sliding rod is pushed out of the shaft body. And meanwhile, the side plates on the stand columns and the arc-shaped covering plates above the baffles can be rapidly reset, the good buffering effect is achieved in the process, the ship and the wharf are protected, and meanwhile the situation that the covering piece connecting structure deforms is avoided.

The utility model relates to the technical field of positioning clamps, and discloses an electromagnetic flowmeter shell machining positioning clamp which comprises a base, a fixing column is fixedly connected to the inner bottom end of the base, a rotating plate is rotationally connected to the top end of the fixing column, and two connecting rods are rotationally connected to the top end of the rotating plate. The bottom end of the connecting rod is rotatably connected with a connecting block, the bottom end of the connecting block is fixedly connected with a moving plate, the top end of the moving plate is fixedly connected with two connecting blocks, the top ends of every two connecting blocks are fixedly connected with a containing plate, and a force applying plate is slidably connected to the interior of one side of each containing plate. According to the shell clamping device, the air cylinder is started to drive the containing plate so that the force application plate can move towards the two sides and make contact with the stress plate to clamp a shell, then under the elastic support of the first strong spring, the clamping uniformity of the shell is adjusted in a self-adaptive mode, and the situation that the shell deforms due to the fact that clamping force is not uniform is avoided.

The utility model provides 3D printing equipment with a quick-drying function, and relates to the technical field of printing equipment. A printing seat is fixedly connected to the lower position in the printing frame, a gear ring is fixedly connected to the upper position of the outer side of the printing seat, a surrounding frame is slidably connected to the outer side of the gear ring, the surrounding frame is located in the printing frame, a motor A is fixedly installed in the surrounding frame, and a gear is fixedly connected to a rotating shaft at the bottom of the motor A. And through meshing transmission of the gear and the gear ring, the surrounding frame surrounds the material at the upper end of the printer as a whole, at the moment, the fan rotates in the annular position along with the surrounding frame, and the fan blows and cools the whole body of the printing material in a surrounding mode, so that quick-drying treatment is carried out. The problem that when an existing 3D finished product material is subjected to quick-drying treatment, a blowing blind area exists, so that cold and hot partition of the 3D finished product material occurs, and the material is deformed is solved.

The application relates to the technical field of machining equipment, in particular to a deep drilling device for elbow curved rods, which comprises an assembling shell, a hydraulic cylinder is embedded at the top end of the assembling shell, a pressing mechanism is connected to the power output end of the hydraulic cylinder, and a sliding groove is arranged on the abutting surface of the assembling shell and the pressing mechanism. The winding equipment body winds and unwinds the cable, so that the electromagnet connected with the connector through the thread is penetrated into the rod piece. When the hydraulic rod drives the inclined block to press and bend the rod piece, the bearing capacity is improved through the support of the electromagnet, so that the excessive pressing and bending of the rod piece is avoided, the deformation of the rod piece is avoided, the product quality is affected, the electromagnet is connected with the connector through the thread, the electromagnet is convenient to disassemble and assemble, the electromagnet with the diameter size suitable for the rod piece is replaced, the applicability is improved, the rod piece is conveniently attracted after the electromagnet is electrified through the cable, the sliding condition is avoided, the pressing and bending quality is affected, when the electromagnet is not worked, the connector is tightened in the connecting hole through the winding equipment body, and the rod piece is conveniently placed and corresponds to the electromagnet.

The utility model discloses a heating lamp tube convenient to install and position in copying machine, including lamp tube installation mechanism, the lamp tube installation mechanism comprises the mounting seat, heating lamp tube and fixed establishment, the fixed establishment installs in the both sides of mounting seat, heating lamp tube installs in the middle of fixed establishment, heating lamp tube comprises the lamp tube and high temperature resistance porcelain head, the fixed establishment comprises the mounting bracket, the clamping plate and the bottom plate, the mounting bracket installs in the both ends of mounting seat, the bottom plate installs in the bottom end of mounting bracket, the clamping plate is located the upside of bottom plate, the bottom plate upper end rotation has the threaded rod installed, when the utility model distance adjustment is to the appropriate position, and the clamping plate and bottom plate jointly to the high temperature resistance porcelain head of heating lamp tube both sides carry out clamping fixed, realize the accurate installation positioning of heating lamp tube in copying machine, and meanwhile high temperature resistance porcelain head can insulate the high temperature that lamp tube works produces, avoids the damage of high temperature to fixed establishment, guarantees the stable operation of device whole.

The utility model relates to the technical field of extrusion molding, in particular to a molding output device for extrusion molding discharge, which comprises a PPR (pentatricopeptide repeats) pipe extrusion molding device, a cooling bin is arranged on one side of the PPR pipe extrusion molding device, a cut-off bin is arranged on one side of the cooling bin, and an output table is arranged on one side of the cut-off bin. The pipe cutting-off device has the advantages that the conveying rollers are arranged in the cutting-off bin and can drive pipes to pass through the cutting-off bin, the length of the cutting-off bin is limited so that the cut-off pipes can be kept in the conveying state under the action of at least one conveying roller, and the first electric push rod is arranged so that the height of the cut-off pipes can be adjusted to a certain degree; different pipes are different in flexibility, certain bending possibly exists in the conveying process, a first electric push rod is arranged so that the first electric push rod can conduct corresponding fine adjustment on the height of a limiting ring, the pipe conveying process is smoother, the surfaces of the pipes are further cleaned through a cleaning ring, and then the preliminarily cooled pipes are cut off and output through a cut-off blade.

The utility model relates to the technical field of combustion furnaces, in particular to a pneumatic furnace door pressing structure which comprises a supporting frame, a furnace door used for sealing a furnace body is arranged on the supporting frame in a sliding mode, a hoisting mechanism used for hoisting the furnace door is arranged on the upper end face of the supporting frame, and first pressing mechanisms are arranged at the upper end and the lower end of one side of the furnace body. The supporting frame is provided with a second pressing mechanism used in cooperation with the first pressing mechanism. A buffer mechanism in contact with the furnace door is arranged below the support frame; the first pressing mechanism comprises a first air cylinder and a push plate connected with the telescopic end of the first air cylinder and used for pressing the furnace door, the second pressing mechanism comprises a second air cylinder and a pressing rod connected with the telescopic end of the second air cylinder, and the pressing rod penetrates through the push plate. The pressing effect at the opening of the furnace body of the furnace door can be greatly improved, the sealing effect is further improved, the run-out phenomenon is prevented, the buffer structure at the bottom is used for buffering the furnace door when the weight of the furnace door is reduced, and the situation that the lower end face of the furnace door directly falls and deforms is prevented.

The application discloses an electric vehicle charging protection device, which comprises a main body, a shielding part and a movable part, wherein the shielding part and the movable part are fixed on the main body; a controller, a button and a connecting port are arranged on the main body, the controller is connected with an external power supply and an electric device through the connecting port; a sleeve is arranged at the lower end of the shielding part, a connecting rod is arranged at the upper end of the main body, the shielding part is inserted into the sleeve through the connecting rod and is fixed at the upper end of the main body, so as to cover the button and the connecting port; the movable part comprises a support, a rotating block and a motor, the motor is fixed in the shielding part through the support, one end of the rotating block is connected with a driving end of the motor, the motor drives the rotating block to rotate and generates centrifugal force; the button and the motor are electrically connected with the controller. Through the arrangement of the shielding part and the movable part, the movable part drives the shielding part to move, the rotating block rotates and generates centrifugal force to make the accumulated snow above the shielding part fall off, the situation that the shielding part is deformed due to too much accumulated snow is avoided, and the safety and stability of the electric vehicle charging protection device are improved.

The utility model belongs to the technical field of liquid argon production, and particularly relates to a pure argon tower for liquid argon production, which comprises a pure argon tower main body, a support column arranged at the bottom end of the pure argon tower main body, a gas outlet pipe arranged at the top end of the pure argon tower main body, a liquid argon mixed liquid feeding pipe arranged at the bottom end of the pure argon tower main body, and a control valve arranged at the upper end of one side of the pure argon tower main body, by arranging the temperature controller, the heating coil, the supporting block and the connecting rod, when the pure argon tower main body is used, the temperature of the heating coil is controlled by utilizing the temperature controller, so that liquid argon mixed liquid at the bottom end of the pure argon tower main body is heated by utilizing the heating coil; the heating coil is arranged to be spiral, the heating efficiency of liquid argon mixed liquid can be improved, then the supporting block is matched with the connecting rod, the using stability of the heating coil can be improved, the situation that the heating coil deforms in the using process is avoided, and the using efficiency of the pure argon tower body is improved in this way.

The invention belongs to the technical field of vehicle engineering, and particularly relates to a side opening type back door hinge installation supporting column, a D column structure and a back door frame. The side-opening type back door hinge installation supporting column comprises a first combined lamp holder plate assembly and a first stand column. The upper end of the first stand column is fixedly connected with one end of a top cover rear beam of the vehicle. The lower end of the first stand column is fixedly connected with one end of a rear floor rear beam of the vehicle. The first stand column is of a tubular structure, and the outer side face, in the left-right direction of the vehicle, of the first stand column is used for being welded to the inner side face of a first side wall outer plate of the vehicle. The outer end, in the left-right direction of the vehicle, of the first combined lamp holder plate assembly is used for being connected with the rear end of a first side wall outer plate in a welded mode, the inner end, in the left-right direction of the vehicle, of the first combined lamp holder plate assembly is connected with the first stand column in a welded mode, and a first inner cavity extending vertically is formed between the first stand column and the first combined lamp holder plate assembly. And a back door upper hinge mounting hole and a back door lower hinge mounting hole are formed in the first combined lamp holder plate assembly.

The application relates to the technical field of PIN needle processing, and particularly discloses a PIN needle forming device based on an IGBT module, which comprises a working plate, a rotating shaft movably arranged at one end of the working plate, an installation mechanism arranged on the rotating shaft, a fixing cylinder arranged on the working plate, a first auxiliary mechanism arranged on the fixing cylinder, a second auxiliary mechanism arranged between the rotating shaft and the fixing cylinder of the working plate, a fixing clamp arranged on the side, away from the rotating shaft, of the working plate, and a positioning mechanism and a cutting mechanism arranged on the fixing clamp. The fixing cylinder, the auxiliary part and the lifting plate are arranged, when the copper wire passes through the inside of the fixing cylinder, a plurality of first abutting wheels abut against the outside of the copper wire in a rotating mode of the first abutting wheels, the copper wire can be driven, the curved copper wire can be straightened through the abutting mode of the plurality of first abutting wheels, and the use convenience of the device is improved.

The utility model relates to the technical field of aluminum-plastic plates, and discloses a marble-imitated aluminum-plastic plate with high weather resistance, which comprises a lower aluminum plate, and is characterized in that the outer surface of the upper end of the lower aluminum plate is movably connected with an upper aluminum plate, the outer surface of the lower end of the upper aluminum plate is movably connected with a middle plastic plate, the outer surface of the front end of the lower aluminum plate is fixedly connected with a positioning block, and the positioning block is fixedly connected with the middle plastic plate. When the aluminum-plastic panel is used, the weather resistance of the aluminum-plastic panel can be improved through the arranged upper aluminum plate, meanwhile, the rigidity of the aluminum-plastic panel can be enhanced, the aluminum-plastic panel is environmentally friendly, and therefore the problem that the aluminum-plastic panel is prone to aging and cracking under the influence of the external environment is solved, the service life of the aluminum-plastic panel is prolonged, and the service life of the aluminum-plastic panel is prolonged. And through the multi-layer design, the elastic limitation of the aluminum-plastic panel can be improved, the flatness of the aluminum-plastic panel is guaranteed, the situation that the aluminum-plastic panel deforms is avoided, the durability of the aluminum-plastic panel is further improved, the service life of the aluminum-plastic panel is further prolonged, and the use cost is saved.

The utility model discloses a steel stoving varnish fireproof door which comprises a door frame body, a steel stoving varnish fireproof door body is arranged in the door frame body in a hinged mode through hinges, a protective shell is fixedly arranged on the front side of the steel stoving varnish fireproof door body, a rotating handle is rotationally arranged in the protective shell, a rotating shaft is fixedly arranged on the surface of the rotating handle, and the rotating shaft is fixedly connected with the door frame body. And a worm is fixedly arranged at the left end of the rotating handle. Through the arrangement of a rotating handle, a rotating shaft, a worm, a worm gear, a connecting shaft, a stud, a threaded block, a limiting plate, a first limiting frame and a first guide frame, connection between the steel stoving varnish fireproof door and a door frame is enhanced conveniently, and the situation that hinges and a door lock deform due to flame impact force is avoided; according to the steel stoving varnish fireproof door, the situation that a gap is formed between the steel stoving varnish fireproof door and the door frame is avoided, a worm and a worm wheel are arranged, a connecting shaft can be locked, accordingly, a stud is locked, and the situation that when the steel stoving varnish fireproof door is subjected to impact force, the steel stoving varnish fireproof door shakes, and consequently a limiting plate slides out of a first limiting frame is avoided.