47results about How to "No need to work at heights" patented technology

The invention discloses bidirectional road monitoring equipment, belongs to the technical field of monitoring equipment, and solves the problem that cost and maintaining difficulty are increased due to the fact that road monitoring devices are arranged on two sides of a road in the prior art. The bidirectional road monitoring equipment comprises a vertical rod and is characterized in that a connecting rack is mounted at the top of the vertical rod, a rotating device is arranged between the connecting rack and the vertical rod, movable rack rods are connected to the connecting rack, a central rotary rod connected with the center of the rotating device is mounted in the vertical rod, a clamping device is connected to the central rotary rod, a belt wheel is mounted at each of the top and thebottom in the vertical rod, a conveying belt is mounted on the belt wheels, a clamping fastener is connected to the conveying belt, a shield shell sleeves the lower end of the vertical rod, a rotary bottom plate is connected to the bottom of the vertical rod in the shield shell, the shield shell is communicated with a transmission case, a rotary handle plate is mounted in the transmission case, ahandle middle rack is connected below the rotary handle plate, and a transmission belt is connected between the handle middle rack and the vertical rod. The bidirectional road monitoring equipment issimple and efficient in maintenance operation.

The invention provides a small and medium-sized natural gas hydrogen production device. The device comprises a furnace body, a burner, a static mixer and a first heat exchanger, and the furnace body is internally provided with a conversion unit, a steam generation unit, a desulfurization unit and a transformation unit in a flue gas flowing direction; an inlet of the conversion unit is communicatedwith the static mixer through a pipeline, an outlet of the conversion unit is communicated with an inlet of the conversion unit through a pipeline, outlets of the steam generation unit and desulfurization unit are separately communicated with the static mixer through pipelines, an inlet of the steam generation unit is communicated with a liquid phase outlet of the first heat exchanger through a pipeline, and an outlet of the conversion unit is communicated with a gas phase inlet of the first heat exchanger through a pipeline. The device integrates desulfurization and height transformation into the furnace body, and the size and floor space of the device are effectively reduced, so that investment in supporting equipment, pipelines and the like is reduced; at the same time, the heat loss in a hydrogen production process is small, and the system energy efficiency is high.

The invention discloses a highway tunnel geological detection system with a self-adaptive fitting device and method. Through cooperation of a lifting trolley and a rotating motor, a radar antenna in an antenna clamping box can stably move forwards along the uneven tunnel surface, and through the telescopic characteristic of a first spring in the antenna clamping box, the radar antenna does not change along with the uneven tunnel surface or the change of the distance between the advancing trolley and the tunnel surface. Thus, the problem that the tunnel surface height measured by manpower is too large and touch is difficult is solved; continuous work can be achieved, and the cruising ability is high; workers do not need to work high above the ground, and safety of the workers is guaranteed.The scheme is reasonable, the structure is simple, used equipment is conventional, and good economic benefits and social benefits are achieved.

The invention discloses an ultrahigh-pressure water rust removal intelligent overhead vehicle. The method is characterized by comprising the following steps; the robot comprises a frame, a chassis, arust removal mechanism, a cantilever crane telescopic mechanism, a walking mechanism and a control system, wherein the chassis, the rust removal mechanism, the cantilever crane telescopic mechanism and the walking mechanism are arranged on the frame; chassis located above frame, a turntable capable of enabling the chassis to rotate by 360 degrees is arranged between the chassis and the frame; thearm frame telescopic mechanism is arranged at the upper end of the chassis in a manner of rotating up and down at a certain angle; the rust removal mechanism is detachably arranged at the upper end ofthe boom telescopic mechanism and can rotate by 360 degrees and suspend at any angle position, the rust removal mechanism comprises a rust removal head, the rust removal head keeps a certain attachment force with the outer plate all the time by being attached to the oil cylinder, and the control system comprises a remote controller capable of controlling the rust removal mechanism, the boom telescopic mechanism and the chassis mechanism to work. The device is reasonable and compact in structure, reliable in operation, safe, convenient, high in automation degree, good in rust removal effect, time-saving and labor-saving, and constructors do not need to work aloft.

The invention relates to a mobile communication base station antenna and belongs to the technical field of communications. The mobile communication base station antenna comprises an antenna and further comprises a hollow holding rod and a mounting frame arranged on the holding rod; the mounting frame comprises a mounting ring, the mounting ring comprises two inner arc plates which are detachably connected, an inverted conical inclined section is arranged at the top of the holding rod, abutting plates are fixedly arranged on the two inner arc plates, a pull rope is arranged in the holding rod,a positioning rod is slidably arranged on the holding rod in the radial direction of the holding rod, a positioning hole is formed in the abutting plate, and a driving assembly used for driving the positioning rod to be inserted into or separated from the positioning hole is arranged in the holding rod. If the antenna needs to be maintained and replaced, a worker drives the driving assembly to drive the positioning rod to be separated from the positioning hole through an operation port, then, the mounting frame slides downwards to the ground along the holding rod under the dead weight, the maintenance and replacement work can be carried out on the ground by the worker, the operation is simple and convenient, high-altitude operation is not needed, and the safety is improved.

The invention provides an improved coke breeze scraper. The bucket grabbing process of the improved coke breeze scraper adopts mechanical operation, has high efficiency, can fully remove coke breeze, does not block a coke discharge passage of a coke scrubbing pool; when the scraper runs, high-altitude work is not needed; and fetching and discharging processes do not cause environmental pollution.The improved coke breeze scraper comprises a mechanical part and an automatic control system, and is characterized in that the mechanical part comprises a transmission device, a running transmission mechanism, a hoisting mechanism and a running track, wherein the automatic control system and the mechanical part are in electrical control connection through a PLC.

The invention provides a lightning arrester wiring device, and belongs to the technical field of high-voltage electrical auxiliary equipment. The device comprises a wireless remote control unit for generating a control command according to a user input, a moving guide rail which is set on a lightning arrester self-climbing device, a clamping mechanism disposed on the moving guide rail, a driving mechanism, an image capturing unit for collecting a position image of the clamping mechanism relative to a conductive body, and a display unit for displaying the position image. The clamping mechanismis used for executing the control command to connect a test wire to the conductive body, and the driving mechanism is configured to drive the clamping mechanism to move along the moving guide rail according to the control command. According to the invention, the lightning arrester wiring device, an operator can control the clamping mechanism to be close to the conductive body on the ground throughthe wireless remote control unit and clamp the conductive body, completes the wiring, and does not need to work high above the ground, thereby greatly reducing the injury possibility of operator.

The invention relates to a treatment device for sewage treatment products and particularly relates to a treatment device for sewage treatment product sludge. The invention aims to solve the technicalproblem of providing a treatment device for sewage treatment product sludge, which is high in treatment efficiency and capable of avoiding people from being in direct contact with sludge, completely eradicating pathogen contamination as well as protecting the body health and the life safety of people. The treatment device for sewage treatment product sludge, provided by the invention, comprises abase, a first cylinder body, a first L-shaped plate, a first support plate, a long-stroke cylinder, a gasket, a second L-shaped plate, a hose, a high-pressure pump, a box body, a drain pipe and the like, wherein the first cylinder body is arranged above the base. The treatment device for sewage treatment product sludge, provided by the invention, has the advantages that by adopting a unique filtering mode, thick and big contaminants can be crushed while the sewage is filtered, the treatment efficiency is high, and direct contact between people and sludge can be avoided, thereby completely eradicating pathogen contamination.

The invention discloses a steel structure-concrete combined bridge tower structure, which comprises a steel structure and a concrete bridge tower, wherein the steel structure penetrating from top to bottom is arranged inside the concrete bridge tower, and connecting pieces are arranged between the steel structure and the concrete bridge tower; the steel structure is completely contained in the concrete pylon; preferably the section of the concrete bridge tower is of a hollow tank shape; hoop reinforcements are arranged in a partition manner in the reinforced concrete pylon along the cross section of the bridge tower structure; and longitudinal ribs are arranged in a partition manner in the reinforced concrete pylon along the vertical direction of the bridge tower structure on the circumference surrounding the cross section of the bridge tower structure. According to the invention, the use amount of temporary steel structures during bridge tower construction is reduced, the turnover amount of the templates is increased, the construction progress is accelerated, the construction convenience is provided and the construction cost is saved.

The invention discloses an integrated high-pressure gas supply system with a solar Stirling generator unit. The integrated high-pressure gas supply system comprises at least one integrated gas supply system, a plurality of Stirling engines and a gas supply pipeline; each integrated gas supply system comprises a high-pressure gas storage tank and a low-pressure gas storage tank and is connected with each Stirling engine by the gas supply pipeline; the gas supply pipeline comprises a main gas supply channel, a main gas return channel and internal generator gas channels which are communicated with the two main gas channels; gas return channels are connected with the main gas return channel by gas return channel connectors, and gas return electromagnetic valves which are used for regulating flow rates of gas working media exhausted out of generator working chambers are arranged on the gas return channels. The integrated high-pressure gas supply system has the advantages that independent gas supply systems which are originally independently fixed onto a solar Stirling generator unit are integrated at the bottom the integrated high-pressure gas supply system, the integrated high-pressure gas supply system is good in maintainability and convenient to maintain, and aerial operation is omitted; owing to the integrated design, leakage points of an integral gas channel system are few, the quantity of components is low correspondingly, and gas leakage and fault probability is low.

The invention relates to a carrying device for logistics storage, in particular to a convenient-to-adjust carrying device for logistics storage. The convenient-to-adjust carrying device aims to solvethe technical problem that the structure is flexible and can be adjusted, workers don't need to carry out high-altitude operation and is safe and reliable. The convenient-to-adjust carrying device comprises a base, rollers, universal wheels, large bearings, a large rotating shaft, a large rotating disc, a long guide rod, a lifting plate, a first spring, a connecting rod, a sliding block, a first pull wire; rollers and universal wheels are connected to the bottom of the base, both the rollers and the universal wheels are arranged in a front-back symmetric manner. According to the convenient-to-adjust carrying device for logistics storage, the structure is flexible and convenient to adjust, can be used for loading and unloading cargos on the goods shelves of different heights, high altitudeoperation is not needed, safety and reliability are achieved, use is convenient, and time and labor are saved.

The invention provides an on-line cleaning device for a sucker rod and an oil tube. The on-line cleaning device comprises a liquid accumulating groove; a stabbing-cleaning mechanism main body is fixedto the bottom in the liquid accumulating groove, a stabbing-cleaning mechanism is mounted on the outer wall of the stabbing-cleaning mechanism main body, and the stabbing-cleaning mechanism is composed of a steam main tube, a steam manifold, steam branch tubes and steam spraying nozzles; the steam main tube communicates with the steam manifold, the steam manifold is axially arranged, the set of steam branch tubes fixedly communicate in the direction perpendicular to the steam manifold, and the every two adjacent steam branch tubes are distributed at equal distances; the steam spraying nozzlesare evenly distributed on the steam branch tubes in the circumferential direction, and the steam spraying nozzles are inclined downwards by 45 degrees and penetrate through the stabbing-cleaning mechanism main body, so that the steam spraying nozzles and the stabbing-cleaning mechanism main body are fixed; the upper and lower adjacent layers of steam spraying nozzles are rotatably staggered by 30degrees in the axial direction of the stabbing-cleaning mechanism main body, and a protective cover is mounted outside the stabbing-cleaning mechanism; and a heat tracing coil is mounted at the bottom of the liquid accumulating groove, a horn mouth is formed in the tail end of the heat tracing coil, and the horn mouth is correspondingly formed in a liquid outlet of the liquid accumulating groove.The on-line cleaning device has the characteristics of being easy to operate, simple, practical, safe and environmentally friendly.

The invention belongs to the technical field of elevator rail transportation, and particularly relates to an elevator guide rail crawling robot. The elevator guide rail crawling robot comprises a pairof symmetrically-arranged traction units, a pair of symmetrically-arranged clamp units, a pair of symmetrically-arranged stabilizing arm units, a detection unit, a control module and a power module,wherein the traction units, the clamp units and the stabilizing arm units are connected through a sliding rack; and the traction units, the clamp units, the stabilizing arm units and the sliding rackform a crawling mechanism of the robot jointly. The appearance of the robot is in a right-angled U shape, the robot can grip guide rails on two sides of an elevator to crawl at the same time, the crawling mechanism can be suitable for guide rails of different types, meanwhile, enough friction force between traction wheels and the guide rails is ensured, and the problem of slipping caused by abrasion of pulleys is effectively solved; load requirements of a large range of weight can be met, the detection unit can simultaneously detect horizontal and front obstacles without a dead angle, externalequipment is not needed to supply energy during operation, the robot can operate for long distance and time, and the material conveying efficiency is improved; and the robot also has a certain self-regulation capacity when encountering external disturbance.

The invention discloses a grinding device used before building wall coating. The grinding device comprises a frame, a grinding mechanism and a dust suction device, wherein the frame is suspended or supported, rolling wheels on the frame roll on a wall body in a contact mode, a grinding piece rubs against the surface of the wall body by driving a grinding disc and the grinding piece to rotate by the grinding mechanism driven by a motor, dust generated after grinding is pumped into a collecting box from dust collecting holes in the grinding piece through an exhaust fan, and the dust is filtered and stored through a dust filtering net on the collecting box. According to the grinding device, the problems that the original grinding efficiency of the building wall is low, the dust affects the health of a human body, and potential safety hazards exist are solved, and the grinding device has the characteristics that the structure is simple, the grinding efficiency is high, the environment is protected, the operation personnel do not need to carry out high-altitude operation, and safety is higher.

The invention relates to a double-layer frame for kiwi fruits. The double-layer frame comprises upright columns, an upper-layer frame surface, a lower-layer frame surface and a top frame, wherein thetop frame is located at the upper ends of the upright columns and comprises side beams, solar cell panels and a storage battery, two ends of the side beams are respectively detachably connected with two transverse adjacent upright columns, a plurality of the solar cell panels are transversely arrayed between two longitudinal adjacent side beams, two ends of the solar cell panels are respectively rotatably connected with the two side beams, and the solar cell panels are connected with the storage battery; and the lower-layer frame surface is horizontally arranged in the middles of the upright columns, the upper-layer frame surface is obliquely arranged at the upper parts of the upright columns, electric heating mechanisms are arranged on the upper-layer frame surface and the lower-layer frame surface and are connected with the storage battery. The invention aims at solving the problem that branches on an existing kiwi fruit planting frame are difficult to thin out. The invention provides the double-layer frame for the kiwi fruits.

The invention relates to an outdoor media advertizing screen portable cleaning device and a cleaning method thereof. The outdoor media advertizing screen portable cleaning device comprises a driving device, a telescopic outer frame, a first cleaning brush, a second cleaning brush, two sliding frames and two assembly rails. The telescopic outer frame is arranged above the driving device. The firstcleaning brush is arranged at the upper end of the interior of the telescopic outer frame, and the second cleaning brush is arranged at the lower portion of the interior of the telescopic outer frame.The two sliding frames are arranged on the left side and the right side of the telescopic outer frame, and the sliding frames are connected with the assembly rails in a sliding fit manner. By means of the outdoor media advertizing screen portable cleaning device and the cleaning method thereof, the problems that in the advertizing screen cleaning process, an advertizing screen is exposed in the outdoor environment for a long time, during long-time display, dust can adhere to the surface of a poster, during cleaning, people need to carry a water bucket and tools on the back for cleaning the surface of the poster, due to the fact that the wind force is large during aerial work, small-amplitude wobbling is likely to happen when people clean the surface of the poster, and the loads of peopleare increased due to the water bucket filled with water and the cleaning tools are solved.

The invention provides an aircraft control surface measuring device and method. The measuring device comprises a transverse sliding rail; a longitudinal sliding rail arranged on the transverse sliding rail in a sliding manner; a first clamp which is used for clamping a control surface and is arranged on the longitudinal sliding rail in a sliding manner; a first linear displacement sensor which is arranged on the longitudinal sliding rail; and a second linear displacement sensor which is arranged on the first clamp. The measuring method based on the device comprises the following steps: S1, giving a control command to control the control surface of the aircraft to deflect upwards or downwards; S2, according to the data measured by the first linear displacement sensor, obtaining the transverse displacement X of the outer end of the control surface of the aircraft, and according to the data measured by the second linear displacement sensor, obtaining the longitudinal displacement Y of the outer end of the control surface of the aircraft; and S3, obtaining the deflection angle A = 2arctan (X / Y) of the control surface of the aircraft according to the triangle principle. According to the invention, the safety is greatly improved, the operation is simpler, the measurement precision is high, and field calibration is not needed.

The embodiment of the invention discloses a guide rail lifting mounting device, a guide rail and an inspection machine replacing device. The guide rail lifting mounting device comprises a vertical transmission guide rail, a transmission portion arranged on the vertical transmission guide rail, a travelling portion matching the vertical transmission guide rail, a mounting portion which is connectedto the travelling portion and a transmission assembly and is provided with at least one guide rail mounting assembly, and the transmission portion drives the mounting portion to move on the verticaltransmission guide rail through the travelling portion. According to the embodiment, the problems of replacement and maintenance of an inspection machine in a tunnel are effectively solved.

The invention provides a building external wall heat preservation and coating spraying auxiliary fiber net spraying device, belongs to the technical field of building engineering equipment, and particularly relates to the building external wall heat preservation and coating spraying auxiliary fiber net spraying device. The building external wall heat preservation and coating spraying auxiliary fiber net spraying device saves the labor cost, reduces potential safety hazards and is high in construction efficiency. The building external wall heat preservation and coating spraying auxiliary fiber net spraying device comprises a longitudinal moving mechanism and is characterized in that a heating bin is arranged at the rear end of the longitudinal moving mechanism, and a rotary spray head connected with the heating bin is arranged at the front end of the longitudinal moving mechanism.

The invention discloses a communication base station derrick mounting structure and a communication base station with the same. The communication base station derrick installation structure comprisesa body, a rotating mechanism, a derrick and a traction mechanism. The body is installed on the inner side of a wall. The rotating mechanism is mounted on the body; the holding pole is hinged to the rotating mechanism, and the axis of the holding pole can rotate in a vertical plane; the traction mechanism is installed on the rotating mechanism and connected with the holding pole so as to drive theholding pole to rotate. The communication base station derrick installation structure is installed on the inner side of a wall body and does not occupy roof space or damage a roof waterproof structure. After the communication equipment is installed on the holding pole, the holding pole located on the inner side of the wall body is moved to the outer side of the wall body through actions of the traction mechanism and the rotating mechanism, high-altitude operation is not needed, the overall structure is located in the wall body, the hiding performance is good, and later maintenance is facilitated.

The invention relates to a purifying device, in particular to a horizontal type purifying device for rare earth feed liquid. The invention aims to solve the technical problem so as to provide the horizontal type purifying device for the rare earth feed liquid. In order the solve the technical problem, the invention provides the horizontal type purifying device for the rare earth feed liquid. The horizontal type purifying device for the rare earth feed liquid comprises a tank body, a feed liquid conveying device, a filter device, electric heaters, support legs, a liquid outlet pipe and the like, wherein the filter device is arranged on the top part of the tank body and is connected with the feed liquid conveying device; a plurality of electric heaters are arranged in the tank body and are connected with a left inner side wall of the tank body through a bolt connection way; a plurality of support legs are welded to the bottom part of the tank body; and the liquid outlet pipe is located on the right side of one support leg. According to the horizontal type purifying device for the rare earth feed liquid provided by the invention, through adopting the horizontal combination structure of the tank body, the feed liquid conveying device and the filter device, the space occupation is reduced, and the horizontal type purifying device for the rare earth feed liquid is easy to disassembleand assemble, and safe and convenient to repair and maintain.

The invention discloses a bridge inhaul cable surface detection device which comprises an annular support and an image acquisition device, the annular support comprises a mounting plate, a first hoopplate and a second hoop plate, a plurality of rolling wheels are arranged in the circumferential direction of the annular support, and when the annular support is arranged on an inhaul cable in a sleeving mode, the rolling wheels abut against the outer surface of the inhaul cable; the image acquisition devices are arranged on the inner side wall of the annular support, and the multiple image acquisition devices are arranged in the circumferential direction of the annular support. The inhaul cable surface image is collected through the image collecting devices, electric energy and signal transmission is conducted through the anti-interference cable, the image is checked and recognized through the artificial intelligence technology, and compared with manual detection, the detection process is faster, operation is easy, workers do not need to work high above the ground, safety is high, and the detection result is more reliable.

The invention discloses a mobile high-temperature coupled environment multi-dimensional space self-balancing loading system, comprising two mobile reaction force frames capable of walking on rails, and the mobile reaction force frames include an anchor steel beam provided with a walking device , a frame body fixed on the steel beam of the foundation and a three-dimensional guide device arranged on the top of the frame body, the three-dimensional guide device is slidingly connected with the outer wall of the high-temperature self-sensing loading beam and supports it; it uses an actuator With the mobile reaction force frame, the traditional pressure is replaced by tensile force, which solves the problem of limited laboratory height to the greatest extent, and can always maintain the vertical loading of the self-sensing loading beam. The temperature sensor is equipped with an over-temperature automatic alarm unit. The sensor can realize the over-temperature automatic alarm function of the loading beam to ensure the safety of human and machine during the test.

The invention provides a large standing tower inverted installation device and inverted construction method. According to the inverted installation device, a side column in the inverted installation device is arranged on a base, lifting equipment is arranged on the side column and used for lifting a tower body wall plate, and a limiting plate is arranged on the base and located on the inner side of the tower body wall plate to be installed in use. According to the method, after the layer of tower body wall plate is welded on the inverted installation device, the tower body wall plate is liftedby the lifting equipment, so that the next layer of tower body wall plate is conveniently installed below the lifted tower body wall plate, a large crane is not required to be used for installing a large standing tower, the space is saved, welding operation of the tower body wall plates is completed on the inverted installation device, namely the welding operation is completed on a flat ground, high-altitude operation is avoided, the personal safety of operators is guaranteed, compared with the high-altitude operation, the flat ground operation is higher in efficiency, an installation and construction period of the large standing tower is shortened, and the installation efficiency of the large standing tower is improved.

The invention provides a building external wall heat preservation and coating mechanical construction spraying device, belongs to the technical field of building engineering equipment, and particularly relates to an external wall construction spraying device. The external wall construction spraying device saves labor cost, reduces potential safety hazards and is high in construction efficiency. The building external wall heat preservation and coating mechanical construction spraying device comprises a frame structure and is characterized in that a lifting frame is arranged on the frame structure, and heat preservation material spraying device is arranged on the lifting frame and connected with material supply equipment.

The invention discloses a building external wall concrete trowelling device. The building external wall concrete trowelling device comprises a fame, a smearing mechanism, a feeding mechanism and a leveling device, the suspended frame is perpendicular to a wall, makes contact with the wall through rolling wheels, and keeps a certain distance from the wall, concrete slurry in a material trough is conveyed and sprayed to the surface of the wall through a conveying pump, a smearing disc is driven by a motor to rotate to extrude and trowel the concrete slurry, when the frame moves downwards, the leveling device levels concrete adhering to the wall. According to the building external wall concrete trowelling device, the problems that original building external wall concrete coating and leveling efficiency is low, high-altitude operation is needed, and potential safety hazards exist are solved, and the building external wall concrete trowelling device has the characteristics that the structure is simple, the coating and leveling efficiency is high, planeness is precise, high-altitude operation of operators is not needed, and the safer effect is achieved.

The invention relates to a debugging device for an extra-high-voltage earthing switch. The debugging device comprises a support base, and is characterized in that a debugging mounting seat is arranged on the support base; equivalent braces are arranged at one side of the debugging mounting seat; and equivalent stationary contacts are arranged on the upper ends of the equivalent braces. The debugging device has the beneficial effects that the equivalent braces replace the original ceramic insulators, and a large number of steps such as assembly and disassembly of the ceramic insulators and the stationary contacts and the like are omitted, thus shortening the debugging time; the hoisting process of the insulators, contact seats and other vulnerable parts is omitted, and the damage rate of important parts of the product is reduced; an operator does need to carry out overhead work so as to ensure the production process to be safer; and in addition, the insulators do not need to be placed on a production line of the earthing switch, thus saving the occupation area, realizing complete separation debugging between a main conductive part and an earthing knife switch, and facilitating modularized assembly and production.

The invention discloses a weight-loss machine. The weight-loss machine comprises a fixing base, a transverse pull rod, a first movable supporting rod, a movable assembly, a second movable supporting rod, a balance rod, a movable plate, a third movable supporting rod, a supporting base and a weight. The movable plate is mounted under the fixing base and can swing around the fixing base. The transverse pull rod is arranged in the middle of the movable plate in a penetrating mode. The first movable supporting rod is hinged to the left end of the transverse pull rod. The end, away from the transverse pull rod, of the first movable supporting rod is connected to a guiding assembly on the side face of the movable plate through the movable assembly. The second movable supporting rod is further hinged to the movable assembly. The balance rod is hinged to the bottom end of the second movable supporting rod. The middle of the balance rod is hinged to the supporting base. The third movable supporting rod is hinged to the end, away from the second movable supporting rod, of the balance rod. The end, close to the movable plate, of the third movable supporting rod is connected with a sliding block. The weight-loss machine is simple in structure and easy and convenient to operate and has the characteristics of being capable of saving effort and energy.

The invention discloses a cascade high-energy earthquake-fire coupling test system, which includes a self-balancing loading system, a lifting furnace system, and a smoke collecting hood system installed on the upper end of the lifting furnace system to collect smoke; the self-balancing loading system includes two The mobile reaction force frame walking on the first track and the high-temperature self-sensing loading beam erected on the top of the two mobile reaction force frames; the lifting furnace system includes a furnace body with a combined furnace body hoisted inside and capable of walking on the second track The installation frame, the upper end of the furnace body installation frame is slidingly connected to two moving beams, the lower end of the moving beam is equipped with a mobile hoist, and the bottom of the mobile hoist is hoisted with operating devices; this system can meet the requirements of different earthquake-fire coupling tests.