32results about How to "Act as a lift" patented technology

The invention discloses a nursing bed, which comprises a first bed panel, the first bed panel is connected with a first electric telescopic rod through a first connecting device, and the bottom of the first electric telescopic rod is installed on the On the base, the first bed panel is connected to the second bed panel through the second connecting device, and a round hole is opened on the second bed panel, and one end of the second bed panel is embedded with a wooden board at the bottom of the wooden board, and the A toilet device is installed at the lower end of the circular hole. By installing the first electric telescopic rod and the second electric telescopic rod, the nursing bed can be raised and lowered, and the patient can operate it by himself through wireless remote control. Installing the toilet device on the hospital bed solves the inconvenience of the patient getting out of bed to go to the toilet , At the same time, the overall design is designed according to the normal toilet posture, which solves the problem of toilet discomfort, and the installation of toilet devices and sewer channels also solves the problems of cleaning after toilet use.

The invention discloses a control element electrical control cabinet convenient to disassemble and assemble, which comprises a control cabinet. Two adjusting columns are connected in the control cabinet, a mounting structure is connected between the two adjusting columns, a plurality of positioning structures are connected to the side wall of the top of the mounting structure, an auxiliary structure is connected to the side wall of the bottom of the mounting structure, a spring is connected in the auxiliary structure, a clamping plate is connected to the positioning structure, an element is detachably connected in the mounting structure, and a pin is inserted to the adjusting column. The control element electrical control cabinet convenient to disassemble and assemble has the beneficial effects that when the element is extruded into the mounting groove, the clamping plate is jacked up firstly, and after the clamping plate coincides with the clamping groove in the element, the clampingplate is inserted into the clamping groove through a second torsional spring, so that positioning of the element is completed; and pressure is applied to the pressing plate, the extension plate and the clamping plate are tilted through the second rotating shaft, so that the clamping plate is separated from the clamping groove, and then the element is directly taken out of the mounting groove, so that the element is more convenient to disassemble and assemble.

The invention relates to the technical field of medical nursing equipment, and discloses a ligament rehabilitation device for the internal medicine department and the surgery department. The ligamentrehabilitation device comprises a base, a strut and a vertical plate are fixedly connected to the top of the base, the top of the strut is hinged to a hinge, the strut is hinged to a pedal through a hinge, idler wheels are arranged at the bottom of the pedal, an antiskid groove is formed in the upper surface of the pedal, a stretching belt is fixedly connected to one side of the vertical plate, afirst fixed ring is fixedly connected to the lower surface of the pedal, and a vertical rod is fixedly connected to the top of the base and is arranged at one side of the vertical plate. Through the strut, the hinge, the pedal, a pulley, a steel wire rope, a first hydraulic cylinder, the vertical plate, the stretching belt and a top rod, the ligament of the lower limb of a patient can be mechanically exercised, and therefore, it is avoided that when the patient himself / herself or his / her dependent exercises the ligament, time and labor are wasted; by forming the antiskid groove, the foot of the patient can be stably placed on the upper surface of the pedal, and therefore, the exercise effect of the ligament is better.

The invention discloses a damping concrete stirring machine capable of conveniently discharging, and relates to the technical field of construction equipment. The damping concrete stirring machine capable of conveniently discharging comprises a supporting frame. The supporting frame is connected with a stirring barrel. The right side of the inner wall of the stirring barrel is connected with a stirring rod. The right side of the stirring barrel is connected with a feeding hopper. The bottom of the feeding hopper extends into the stirring barrel. A first line wheel on the left side of the feeding hopper is connected with a lifting bracket. A second line wheel is arranged below the left side of the lifting bracket. The four corners of the supporting frame are connected with supporting legs.The supporting legs are connected with telescopic sleeves. The lower portions of the supporting legs are fixedly connected with damping devices. According to the damping concrete stirring machine capable of conveniently discharging, the purpose of lifting of the feeding hopper is achieved, the feeding rate is increased, waste of materials is reduced, vibration is reduced through the damping devices during stirring, taking and placing are more convenient, the heights of the supporting legs on the left side are lowered during discharging, discharging is faster and more thorough, and residual concrete in the stirring barrel is easier to clear.

The invention discloses a slug type gas injection and oil production process based on steam and flue gas of a thermal recovery boiler, and belongs to the technical field of thickened oil development processes. The problem that the production effect of an existing thickened oil development process method is unsatisfactory is solved. The slug type gas injection and oil production process is technically characterized in that an injection well is included, a sleeve is arranged in the injection well and used for fixing a stratum, an oil pipe is arranged in the sleeve, the oil pipe is used for injecting steam and flue gas at intervals, and the method comprises the following steps that (1) the temperature of the flue gas exhausted by a boiler is lowered, and the steam generated by the boiler enters the oil pipe; (2) dust in the flue gas is removed, and chemical gas is prevented from corroding the oil pipe; (3) moisture in the flue gas is removed; (4) pressure is provided for the flue gas to enter the oil pipe; (5) water is removed from the flue gas again; and (6) the flue gas is pressurized and effectively recycled, emission pollution is reduced, and the method has the advantage that the thickened oil development effect can be improved.

The invention relates to the technical field of motor sweepers, and discloses a dustproof motor sweeper capable of being used for sweeping bumpy road surfaces, which comprises a sweeper body, a water tank is movably connected in the sweeper body, a water pump is movably connected to the right side of the water tank, a water pipe is movably connected to the right side of the water pump, a spray pipe is movably connected to the lower part of the water pipe, and a nozzle is movably connected to the lower part of the spray pipe. A negative pressure machine is movably connected to the right side of the spray pipe, a garbage can is movably connected to the right side of the negative pressure machine, and a suction nozzle is movably connected to the lower portion of the negative pressure machine. The bottom of the vehicle body is movably connected with wheels, the right sides of the wheels are movably connected with a motor, the right side of the motor is movably connected with a sweeping roller, and the upper portion of the sweeping roller is movably connected with a telescopic rod. According to the dustproof sweeper capable of being used for sweeping bumpy road surfaces, the telescopic rod, the spring, the supporting rod and other structures are used in cooperation, the lifting effect is achieved, the height of the sweeping roller can be automatically adjusted according to the fluctuation degree of the road surface, and the purpose of sweeping the bumpy road surface is achieved.

The invention discloses a lifting platform with a landscape lamp. The lifting platform comprises a bottom base and an upper base, wherein the bottom base and the upper base are connected through a hydraulic cylinder. The upper base is provided with a flowerpot installation tank, and a side wall is arranged between the bottom base and the upper base, is of a telescopic structure and is provided with the landscape lamp. The lifting platform is simple in structure and convenient to use. A flowerpot can be installed on the lifting platform having the lifting effect. In addition, the lifting platform is low in cost, suitable for arrangement of a scenic spot well and good in market prospect. Meanwhile, the landscape lamp is installed on the side wall and can achieve the decoration effect better.

The invention discloses an overturning platform for production of an external wall panel for a fabricated building. The overturning platform comprises a fixed bottom plate, wherein a lifting device isarranged between a workbench and the fixed bottom plate; when used, firstly, the lifting device is used for lifting an external wall panel with one welded face to the same height as a clamping mechanism, the external wall panel is clamped by the clamping mechanism, a motor is started and used for driving a second chain wheel, and the second chain wheel drives a transmission chain to drive a firstchain wheel; due to the effect of a first bearing, the first chain wheel drives a rotating shaft to rotate, so that the overturning effect on the external wall panel is achieved; and after overturning, the lifting device is used for putting the external wall panel back to the workbench to complete overturning. The overturning platform has the beneficial effects that the overturning platform is simple in structure and convenient to use, the operation of using a crane to perform manpower-assistant overturning is avoided, and the working efficiency is greatly improved.

The invention provides a metal bar spraying device for metal machining, and relates to the field of metal machining equipment. The metal bar spraying device for metal machining comprises a shell. Thetwo sides of the inner wall of the shell are fixedly connected through a baffles. A fixing column is fixedly installed at the left side of the top of the baffle. A first motor is embedded into the fixing column and at the side, away from the baffle, of the fixing column. The output end of the first motor penetrates through the right side of the inner wall of the fixing column and extends to the right side of the fixing column, and a hydraulic push rod is fixedly installed at the output end of the first motor. According to the metal bar spraying device for metal machining, due to cooperative use of the first motor and the hydraulic push rod, the metal bar stretches into the sleeve and meanwhile drives the metal bar to rotate, the sliding sleeve is driven by a threaded rod to move left and right, a grinding block moves back and forth to grind and remove rust on the metal bar, traditntal manual modes are replaced for rust removal, time and labor are saved, and the rust removal efficiencyis improved.

The invention discloses a novel rehabilitation training device for neurology department. The device comprises a bed body, an arm strength training mechanism and a massage device, wherein the arm strength training mechanism comprises two vertical rods, a cross rod connected to the top ends of the two vertical rods, a driving shaft rotationally connected between the two vertical rods, a first incomplete gear and a second incomplete gear respectively fixed on the driving shaft, two guide wheels fixed to the bottom end of the cross rod, two lifting toothed plates connected to the two vertical rodsin a sliding mode respectively and correspondingly connected with the first incomplete gear and the second incomplete gear in a meshed mode respectively, a traction rope for connecting the top ends of the two lifting toothed plates, and pull rings fixed to the bottom ends of the two lifting toothed plates respectively, wherein the driving shaft is in transmission connection with a power shaft through a chain. According to the arm strength training device, the whole leg of a patient can be comprehensively massaged in all directions through the massage device, the patient can drive the massagedevice to comprehensively massage the leg of the patient while using the arm strength training mechanism to train arm strength, and multiple training functions are achieved.

The invention relates to the technical field of intensive care medicine, and discloses an intensive care medicine clinical detection and monitoring device which comprises an operation plate, a collecting box and a connecting plate, two containing cavities are formed in the upper surface of the operation plate, an electric telescopic rod is installed on the inner wall of each containing cavity, and a base plate and a lifting pad are arranged on the upper surface of the operation plate; a movable ring is movably hinged to the telescopic end of each electric telescopic rod, the upper surface of each movable ring is fixedly connected with the bottom face of the lifting pad, and discharge openings are formed in the upper surface of the base plate and the upper surface of the operation plate. By arranging the collecting box and cooperating with the excretion opening, the effect of collecting excreta of a patient is achieved, the aim of conveniently collecting the excreta of the patient can be achieved, the effect of timely excretion can be achieved, and the situation that the patient cannot move to the excretion position during excretion is avoided as much as possible; therefore, the problems that the excrement pollutes the device and bacterial infection is caused to a patient are solved.

The invention discloses a neodymium iron boron magnetic ring with a mounting structure, comprising a power box, wherein the upper surface of the power box is fixedly connected with two symmetrical fixing columns. Sliding grooves are formed in the side faces, away from each other, of the two fixing columns, a first bearing is fixedly inlaid in the inner top wall of each sliding groove, a first positive and negative motor is fixedly connected to the inner bottom wall of the power box, a first gear is fixedly connected to the output end of the first positive and negative motor, and two symmetrical second bearings are fixedly inlaid in the inner side wall of the power box. The device is reasonable in design structure; through sliding of a sliding plate; an inserting rod can be taken out from the interior of a sixth inserting opening; the advantages of being convenient to install and disassemble and assemble are achieved, the working efficiency is improved, the difficulty of workers is effectively solved, the supporting columns can be taken out from the second grooves through mutual approaching or mutual leaving of second threaded rods, and the installation effect on the neodymium ironboron magnetic ring can be achieved.

The invention discloses an automatic lifting machine which comprises a first-stage lifting device and a rotary second-stage lifting device. The first-stage lifting device is composed of a set of oppositely-arranged lifting mechanisms, the rotary second-stage lifting device is arranged on a supporting platform of the lifting mechanisms, and the rotary second-stage lifting device is a telescopic lifting device. The automatic lifting machine is simple in structure and reasonable in design, the structure of the lifting machine is optimized, the second-stage lifting device is arranged on the first-stage lifting device, the second-stage lifting device can rotate and can contract at the same time, the direction of an automobile is adjusted, dead-corner-free maintenance treatment of the automobile is facilitated, and the automatic lifting machine meets the requirements of automobile maintenance better.

The invention provides a lifting grouting method for an existing building. The lifting grouting method comprises the steps that step S10, a grouting area is determined; step S20, a plurality of grouting holes in an array shape are formed in the side wall of a pilot tunnel located in the grouting area, and each grouting hole extends to the edge of the grouting area; step S30, a grout stop wall structure is formed according to the grouting area, the grout stop wall structure comprises a first side wall, a second side wall, a third side wall connected between the first side wall and the second side wall, and a bottom wall, and a grouting cavity is formed among the first side wall, the second side wall, the third side wall and the bottom wall; step S40, a first preset duration is waited; and step S50, third-time grouting is conducted in the grouting cavity. According to the technical scheme, the problem that an existing building is prone to sedimentation in the prior art can be effectively solved.

The invention discloses a neodymium iron boron magnetic ring with a mounting structure, comprising a power box, wherein the upper surface of the power box is fixedly connected with two symmetrical fixing columns. Sliding grooves are formed in the side faces, away from each other, of the two fixing columns, a first bearing is fixedly inlaid in the inner top wall of each sliding groove, a first positive and negative motor is fixedly connected to the inner bottom wall of the power box, a first gear is fixedly connected to the output end of the first positive and negative motor, and two symmetrical second bearings are fixedly inlaid in the inner side wall of the power box. The device is reasonable in design structure; through sliding of a sliding plate; an inserting rod can be taken out from the interior of a sixth inserting opening; the advantages of being convenient to install and disassemble and assemble are achieved, the working efficiency is improved, the difficulty of workers is effectively solved, the supporting columns can be taken out from the second grooves through mutual approaching or mutual leaving of second threaded rods, and the installation effect on the neodymium ironboron magnetic ring can be achieved.

The invention discloses a lifting ejection rod with a screw rod. The lifting ejection rod with the screw rod is used for lifting an object through spiral line motion. The lifting ejection rod consistsof three parts including a lead screw, a polish rod and an ejection rod head, wherein the lead screw is arranged on the lower part; the polish rod is arranged in the middle; the ejection rod head isarranged on the upper part; the lead screw is matched with one fixed nut and the ejection rod head is matched with a central hole of a lifting rack; and when the lead screw is rotated, the lead screwis lifted along a spiral line of the nut so as to jack up or descend the object.

The invention relates to a stacking device numerical control plate shearing. The device comprises a conveying mechanism, a supporting frame, a containing frame, stacking mechanisms, a conveying platform, a U-shaped frame and an air suction mechanism, the conveying mechanism is installed on the front side of the upper end of the containing frame, the supporting frame is installed on the lower side of the front end of the conveying mechanism, the stacking mechanisms are symmetrically installed at the front end and the rear end of the containing frame, a conveying platform is placed in the containing frame, a U-shaped frame is installed in the middle of the upper end of the containing frame, and an air suction mechanism is installed on the U-shaped frame. The problems that a single plate has a certain weight, is repeatedly carried for a long time, greatly consumes physical strength of staff, is difficult to carry for a long time continuously, and is difficult to stack tidily when being observed by naked eyes, and the problems that due to the fact that the area of a single plate is large, the single plate needs to be lifted by multiple persons together, the plate needs to be unloaded after being carried to a designated position, and when one person pulls out the material too quickly, the hand of the worker which pulls out the material slowly is prone to being pressed between the plates, and the like can be solved.

The invention provides a planar moving type mechanical garage convenient to maintain. The planar moving type mechanical garage comprises stainless steel installation bases, longitudinal supporting beams, a garage roof protection plate, rising slide ways, driven anti-wearing rollers, damping reversing-preventing uphill plate structures, convenient oiling-maintenance cloth barrel structures, anti-sliding planar moving plate structures, anti-falling automobile parking plate structures, a horizontal-moving control box structure, lifting motors, oil wire winding wheels, height sensors, fixed pulleys, automobile models, lifting oil wire ropes and a garage bottom plate. Anti-sliding mats are rubber mats with the thickness of 10-20 mm; cross-shaped anti-sliding lines are arranged on the upper surfaces of the anti-sliding mats, and installation of automobiles is guaranteed while the anti-sliding effect is achieved; through the arrangement of the oiling-maintenance cloth barrels, sealing and locking hoop pieces, oil absorbing sponge layers, maintenance oiling pipes, sealing caps and anti-losing connecting ropes, oiling maintenance of the lifting oil wire ropes is facilitated, and safety of the lifting oil wire ropes is guaranteed.

The invention relates to a jacking installation system and method for a large-span steel structure. The jacking installation system comprises bases, supporting columns, jacking mechanisms and supporting structures, wherein the bases are installed on the construction ground and arranged at intervals; the supporting columns are vertically arranged on the bases; the jacking mechanisms are arranged on the bases and close to the supporting columns; and the supporting structures are arranged on the supporting columns and connected with the large-span steel structure in a supporting mode. The supporting structures are jacked upwards through the jacking mechanisms, supporting units are additionally installed between the supporting structures and the supporting columns, and thus the supporting structures are heightened; and the supporting structures are heightened continuously till the large-span steel structure is jacked to the installation position so as to complete installation of the large-span steel structure, the potential safety hazard that the supporting structures are erected through manual aloft work is avoided, and the construction efficiency is improved.

The invention discloses a traction device and method for preventing skin abrasion, belongs to the technical field of traction devices, and aims to solve the problems that the size of a traditional traction device is inconvenient to adjust, so that the position of an air bag is not fit with a human body, and the traction effect is not good enough. The length of the first annular piece and the length of the second annular piece are determined, and the first annular piece and the second annular piece are connected through the magnetic attraction layers arranged on the first annular piece and the second annular piece, so that the size of the memory type inflatable inner bag is fixed, and the neck part of the human body is attached; the ventilation capacity detection module detects the amount of gas entering the first gas inlet pipe, the second digital display screen can display data of the gas amount at the moment, the data at the moment are stored in the first digital display screen by pressing the intelligent button, and the data are the data of the gas amount adapting to the human body. The effects that the size of the air bag can be conveniently adjusted, and traction is good are achieved.

The invention discloses a wellhead device, which includes a device casing and a wellhead device body. The wellhead device body is located inside the device casing. A disc is fixedly connected to the outside of the wellhead device body, and arc-shaped clamping blocks are symmetrically arranged on the outside of the disc. , the bottom ends of the arc-shaped clamping blocks are fixedly connected with a support plate, the bottom ends of the support plate are slidably connected with a first slide rail, and both sides of the support plate are slidably connected with a second slide rail; by setting the first The motor and the second motor make the first motor and the second motor drive the first lead screw and the second lead screw to rotate respectively, and then the support plate drives the arc-shaped clamping block to clamp the disc. By setting the third motor, the The third motor drives the third lead screw to rotate, and then the U-shaped bottom plate drives the wellhead device body to move up and down, which plays a role in lifting the wellhead device body and reduces the working intensity. The device body is easy to move.

The invention relates to a mounting structure of a closed-circuit monitoring device. The mounting structure is arranged on the mounting side of a shell of a monitoring camera. The mounting structure comprises a rotating unit fixedly connected to the mounting side of the shell, the rotating unit comprises an outer-ring spherical shell and an inner-ring spherical body, the inner-ring ball body is provided with a rubber ring, the rubber ring wraps the outer surface of the inner-ring ball body, the rubber ring is provided with protruding spiral threads, the spiral threads are spirally arranged around the periphery of the rubber ring and rotates inwards along the rubber ring, the inner-ring ball body and the outer-ring ball shell are in rolling connection through the rubber ring, and one side of the inner-ring ball body is fixedly connected with the mounting side of the shell. The mounting structure has the effect of solving the problem that the closed-circuit monitoring device is loosened after being rotated for multiple times.

The invention discloses an automatic lift, comprising: a primary lifting device and a rotary secondary lifting device, wherein the primary lifting device is composed of a set of oppositely arranged lifting mechanisms, the rotary two The secondary lifting device is arranged on the support platform of the lifting mechanism, and the rotary secondary lifting device is a retractable lifting device. The automatic lifting machine described in the present invention has a simple structure and a reasonable design. The lifting device can not only be rotated but also retracted to adjust the direction of the car, which is convenient for it to achieve no dead angle maintenance treatment, so that it can better meet the needs of car maintenance.

The invention discloses a spike replacing, installing and locking device for rail transit fault diagnosis. The spike replacing, installing and locking device comprises an equipment body, wherein a sleeve is installed below the equipment body, a support rod is connected to the interior of the sleeve, a rotating base is installed at the bottom of a first connecting rod, a rotating seat is connectedto the bottom of the rotating base, a button is arranged in the center of an inner cavity of the rotating seat, a limiting block is connected to the bottom of the button, a rubber mat is installed onthe surface of the outer side of a sliding block, and an adjusting opening is formed in the bottom of an installation bin. According to the spike replacing, installing and locking device, a handle andthe installation bin are arranged above and below the equipment body; the handle is arranged, so that the stability of a main drawing of the device is increased by both hands; and the installation bin is arranged, so that a spike can be conveniently replaced in the installation bin, the condition that several steps and different devices are needed in the replacement process of the spike is avoided, and thus, the spike installation efficiency is improved.

The invention relates to a jacking supporting system and method for a large-span steel structure. The jacking supporting system comprises fixing seats, stand columns, telescopic devices, jacking beams and splicing structures, wherein the fixing seats are mounted on the construction ground and arranged at intervals; the stand columns are vertically arranged on the fixing seats; the telescopic devices are rotatably arranged on the fixing seats, and the heights of the telescopic devices are adjustable; the jacking beams are fixedly arranged on the telescopic devices; and the splicing structures are arranged on the stand columns and connected with the large-span steel structure in a supporting mode. The telescopic devices are rotated to drive the jacking beams to rotate, so that the jacking beams are located below the splicing structures; and the heights of the telescopic devices are adjusted to enable the jacking beams to jack the splicing structures upwards, and splicing units are additionally mounted between the splicing structures and the stand columns, so that the splicing structures are heightened, the splicing structures are heightened continuously until the large-span steel structure is jacked to the mounting position to complete mounting of the large-span steel structure, the potential safety hazards of manual aloft work for building the splicing structures are avoided, and the construction efficiency is improved.

The invention discloses a multifunctional intelligent household clothes hanger. A plurality of connecting shafts are arranged on the lower portion of a hanger body at equal intervals, an installationpiece is fixed to the upper portion of the hanger body in parallel, a power mechanism used for driving the connecting shafts to rotate is arranged on the installation piece, and the power mechanism isconnected with the connecting shafts located in the center of the hanger body through speed reduction assemblies; and a power generation assembly used for providing electric power for the power mechanism is further installed on the hanger body. The power mechanism works to drive a winding assembly to act, the winding assembly drives a suspension mechanism to pull the whole hanger body upwards ordownwards, the effect of lifting the hanger body is achieved, meanwhile, the power mechanism further drives the speed reduction assemblies to operate, the speed reduction assemblies drive the connecting shafts located in the center to rotate, and all the connecting shafts are driven to rotate by transmission pieces which are connected with one another in sequence, so that clothes hung on the connecting shafts are rotated by 90 degrees to be exposed to the sun in the ascending process of the hanger body.

The invention relates to a portable maintenance-free manual emergency rescue device. The device comprises a swing long rod reinforcement cutting mechanism, and a jacking expansion multifunctional mechanism matched with the swing long rod reinforcement cutting mechanism for use; the swing long rod reinforcement cutting mechanism comprises a long rod, a holding handle arranged at one end of the long rod, a grabbing hook arranged at the other end of the long rod, a rocking arm hinged with the long rod through a rotating shaft, a hard alloy disc saw positioned between the rocking arm and the long rod and concentrically arranged with the rotating shaft, and a one-way action ratchet matched with the hard alloy disc saw for use; and the one-way action ratchet connects the hard alloy disc saw with the rocking arm to drive the hard alloy disc saw to perform a one-way intermittent motion. Compared with the prior art, the device is simple and light in structure, is liable to operate and carry, needs no power supply and battery, is suitable for long-time storage, is suitable for multiple emergency rescues and self-recues, and is excellent in application prospect.

The invention discloses a punching device facilitating adjusting the shape of a clamping groove of a blade of a scalpel. A bottom machine box is included, and is internally provided with a conveying belt; supporting rods are symmetrically arranged on the two side surfaces of a second supporting plate on the upper surface of the bottom machine box. A rotating base is installed on the middle portionof a rod body of a rotating rod, and the two sides of the rod body of the rotating rod are arranged on a connection frame in a transverse penetrating manner. The left side upper portion of a high pressure front cover is connected with an oil bucket, and the right side of the oil bucket and the left side of a cylinder are connected with a clamping buckle. A collecting table is arranged above the upper right side of the bottom machine box, and a discharging port is formed in the right side of the portion, below the collection table, of the bottom machine box. Through a return spring arranged ina sleeving rod, a descending support rod can conveniently retract to the original position; and a rotating handle drives the sleeving rod so that a sliding groove can drive a slider and the support rod to rotate together, and therefore it is facilitated that the support rod plays a rotating and lifting role.