914results about "Industrial buildings" patented technology

The invention relates to the technical field of assembly type machine rooms, in particular to an assembly type machine room based on a ventilation and heat dissipation processing mechanism. The computer room comprises a computer room body, ventilation windows are formed in the two sides of the computer room body, an exhaust fan is arranged at the top of the computer room body, and a rainproof assembly is arranged on one side of each ventilation window. As the sponge mat has an adsorption effect on liquid, rainwater can be prevented from entering the machine room body to cause damp damage to equipment, the service life of the equipment is prolonged, as the through holes are formed in the surface of the sponge mat, the ventilation window does not need to be closed, and external air enters the machine room body through the ventilation window after passing through the through holes; heat in the machine room is taken away in the air circulation process, and the heat dissipation effect of the machine room is improved.

The invention discloses a method for determining the axis direction of an underground powerhouse of a pumped storage power station and a construction method, and aims to solve the problem of balance between a dominant included angle theta between the axis of the powerhouse and the direction of a geological structure surface and a dominant included angle eta between the axis of the powerhouse and the direction of a maximum horizontal principal stress in an axis diagram mode. The information is displayed efficiently, accurately and clearly, and the field survey and application efficiency is improved; the balance point between the dominant included angle theta between the plant axis and the geologic structure plane direction and the dominant included angle eta between the plant axis and the maximum horizontal principal stress direction is calculated in a quantitative mode, so that the obtained plant axis direction is more accurate and objective.

The application discloses an underwater data center, which comprises a pressure cabin, an outer frame, a lifting structure, a pipeline structure, a server cabinet inside the pressure shell, an inspection lifting structure, a fixing and moving mechanism, and an internal state monitoring system; the pressure cabin is a closed structure formed by the pressure shell, and at least one pressure cabin entrance structure is arranged on the surface of the pressure cabin; the lifting structure comprises a hydraulic jacking oil cylinder and a lifting guide column; the server cabinet is arranged in an array in the pressure shell, and is fixed and moved by the fixing and moving mechanism at the upper end and the lower end for control. The application can realize efficient water-out and water-in actions by using the lifting mechanism; the application is suitable for high-stable underwater cooling of a large-volume high-density data center system; the pressure cabin entrance is provided, so that the inspection personnel can enter the pressure cabin for inspection without water-out, and the working efficiency and use efficiency are high; and the state monitoring system ensures high safety of the internal environment and timeliness of risk discovery.

The invention relates to the technical field of steel structure industrial factory building design and construction, and discloses an intelligent assembly type steel structure industrial factory building which comprises a steel structure factory building, and the steel structure factory building comprises a supporting unit. According to the intelligent assembly type steel structure industrial factory building, the performance of the steel structure factory building is improved through three innovations, the supporting units are connected with key components in a groove embedded mode, a three-dimensional force transmission system of double supporting columns and a bottom frame is combined, roof loads are dispersed in a multi-path mode, stress concentration is reduced, and the assembly efficiency is improved by 40% through standardized prefabricated parts; the cushioning unit drives a spring to be compressed through hinged swing to form a collaborative energy dissipation mechanism, redundant buffering and straddle column pulling are used for restraining lateral displacement, the earthquake lateral displacement angle is reduced by 35%, the fresh air unit generates uniform vortex airflow through a five-fan-blade array embedded in a supporting beam, energy is saved by 20%, intelligent noise reduction and speed regulation are achieved to adapt to the high-temperature and high-humidity environment, and the structural stability, anti-seismic performance and environmental performance are comprehensively improved.

The present invention discloses an underwater data center comprising a pressure-resistant cabin, an outer framework, a lifting mechanism, a pipeline system, internally disposed server cabinets, a maintenance elevator mechanism, a stationary and mobile mechanism, and an internal state monitoring system. The pressure-resistant cabin constitutes a sealed structure formed by the pressure-resistant enclosure, featuring at least one access on its surface. The lifting mechanism includes hydraulic jack and lifting guide post. Server cabinets are arrayed within the pressure-resistant enclosure and are secured and maneuvered using the stationary and mobile mechanism at both upper and lower ends. This innovation enables efficient surfacing and submerging operations, making it particularly adaptable for large-scale, high-density data center systems requiring stable underwater cooling. The cabin entrance facilitates inspections and repairs, thereby enhancing operational efficiency. The integrated monitoring system ensures superior environmental security through real-time status surveillance and prompt risk identification capabilities.

The invention discloses an energy storage preparatory cabin and an energy storage station adopting the energy storage preparatory cabin. The energy storage preparatory cabin comprises a prefabricated cabin body, and a monitoring cabinet, a fire-fighting main cabinet, a fire-fighting pipe network, a storage battery, a confluence cabinet and a converter are arranged in the prefabricated cabin body; the storage battery and the converter are arranged in the same cabin, and the battery, battery management, converter, fire fighting, temperature control and monitoring are integrated, so that when a power distribution network breaks down, the energy storage prefabricated cabin can be quickly moved to a power failure area in a vehicle-mounted mode, 0.4 kilovolt power supply is provided for the power failure area, and therefore the utilization efficiency of equipment is improved, and the service life of the power distribution network is prolonged. And the recovery capability of the system for resisting emergencies and faults is improved. According to the energy storage station adopting the energy storage preparation cabin, construction can be carried out without building reporting and construction drawing replying, the building reporting time is saved, equipment foundation construction and equipment production can be carried out synchronously, the field work amount is greatly reduced, and the construction efficiency is greatly improved; the energy storage station is compact in structure, cable consumption is saved, and cost is reduced.

An aircraft sub-assembly manufacturing system is arranged over multiple floors of a manufacturing facility. A production line of workstations is provided at locations at both a first floor and a second floor of the facility, each of the workstations being arranged for providing manufacturing steps for the aircraft sub-assembly. Elevator apparatus is arranged to transport the assembled aircraft sub-assembly between the first floor and the second floor of the facility.

The invention discloses a fabricated concrete industrial factory building structure, and relates to the technical field of industrial factory buildings. The assembly type concrete industrial factory building structure comprises a plurality of layers of laminates, the laminates are connected and supported through prefabricated concrete stand columns, each layer of laminate comprises a frame built through a concrete steel structure and a pavement structure laid on the top of the frame, and the frame comprises concrete cross beams, concrete longitudinal beams and concrete secondary beams. The concrete cross beams, the concrete longitudinal beams and the prefabricated concrete stand columns are perpendicularly connected through the main nodes. Concrete and I-shaped steel are combined and poured into a firmer beam column, stable installation and connection can be achieved only by using main joints and secondary joints to be matched with bolts at the connecting positions of all the parts, then a small amount of welding is conducted, more stability is achieved, the construction efficiency is high, follow-up dismantling work can be conveniently conducted, and the top surface layer is spliced through non-rib-out laminated plates, so that the construction cost is reduced. And then the concrete pavement is paved, so that the construction is relatively simple and rapid.

The utility model belongs to the technical field of rail transit, and particularly relates to a full-assembly column type inspection pit with a self-leveling system, which comprises a cushion layer, a prefabricated foundation slab, a prefabricated upright post, a leveling screw rod and a prefabricated foundation slab tooling system, the prefabricated foundation bottom plate is placed on the cushion layer, the prefabricated stand column is installed on the prefabricated foundation bottom plate through the stand column assembly structure and fixed through the leveling screw rod, the prefabricated foundation bottom plate is roughly leveled through the temporarily-installed jack, and the prefabricated stand column is finely leveled by rotating the leveling screw rod. The prefabricated stand column is limited in the groove of the foundation bottom plate and fixed through a flat head screw with a screw support, the prefabricated foundation bottom plate is roughly leveled through a jack temporarily installed on the reserved leveling and hoisting bolt hole, and the prefabricated stand column is finely leveled by rotating the flat head screw with the screw support; therefore, the problems of forward construction and accurate leveling of the prefabricated column type inspection pit are solved.

The invention relates to the technical field of round bin building construction, in particular to an aluminum oxide bin upside-down construction method. S1, measuring and positioning the top surface of the completed foundation; and S2, the annular bottom plate is installed and fixed to the top face of the foundation. And S3, a center cylinder temporary fixing support is arranged on the top face of the foundation. And S4, the first circle of wall plates are assembled and fixed. And S5, assembling of the silo top structure is completed. And S6, a plurality of hydraulic jacking devices are evenly distributed around the inner circumference of the foundation. And S7, the hydraulic jacking device is operated to synchronously jack the first circle of wall plate. And S8, the next circle of wall plates are assembled and welded in the new assembling space. And S9, the hydraulic jacking device is operated to enable the supporting block to descend to the bottom, and a bracket is welded to the lower portion of the next circle of wall plate. And S10, the steps of jacking, assembly welding, supporting block descending and bracket welding are repeated. According to the construction method, the construction sequence of firstly assembling the warehouse top, then jacking the warehouse top circle by circle and inversely installing the wall plates is adopted, so that the safety risk caused by erecting a high-altitude scaffold in a traditional forward installation method is effectively avoided.

The invention discloses a fabricated steel structure industrial factory building structure, and relates to the technical field of concrete structure factory buildings. The assembly type steel structure industrial factory building structure comprises a plurality of layers of horizontal steel structure frames, all the layers of horizontal steel structure frames are connected through stand columns, the horizontal steel structure frames are rectangular frames formed by perpendicularly connecting the ends of a plurality of steel main beams, and a plurality of steel secondary beams are connected to the inner sides of the rectangular frames in parallel; the butt joint device is mainly constructed by adopting a steel structure, is different from direct welding of the existing steel structure, adopts a lap joint type design, and is matched with a related positioning structure for positioning during lap joint, so that the butt joint accuracy between the steel structures is ensured, and a stable supporting and alignment mode is omitted in the lap joint mode, so that workers only need to concentrate on welding work, and the welding efficiency is improved. The work load is relieved, the positioning structure is matched with the lap joint structure to assist in achieving the effect of improving the connection strength, all the parts can be installed in a prefabricated mode firstly, and rapid building can be achieved during construction.

The invention provides a construction method of a turnover bailey truss supporting system for an ultrahigh large-span factory building. An innovative solution is provided for solving the problems that a traditional construction method is low in efficiency, insufficient in safety and the like. According to the construction method, midas software is used for carrying out bailey beam stress analysis, an optimal arrangement scheme is formed, a bailey truss supporting system in modular design is adopted, through tower crane hoisting, electric hoist reshipment and precise assembly, I-shaped steel transverse distribution beams are installed on bailey truss beams, and short steel pipes are welded to prevent sideslip. In the construction process, safety is guaranteed through a digital monitoring means, and the steel bar hanging rings are embedded in the top plate structure so as to achieve follow-up segmented safe dismantling and transportation. The method has the advantages of convenient and efficient construction, repeated turnover use, reduction of redundant procedures, safe and reliable construction and the like. The method is suitable for projects such as ultrahigh large-span large-area plants in a structural form of frame columns, frame beams, secondary steel beams and steel bar truss floor support plates.

The UHPC assembly type machine room structure comprises a machine room enclosure bulkhead cylinder body, a first end cover and a second end cover, wherein the machine room enclosure bulkhead cylinder body is prefabricated by adopting an ultra-high performance concrete UHPC material; the machine room enclosure bulkhead cylinder body is provided with a bottom plate and two side walls, and the machine room enclosure bulkhead cylinder body is provided with a first opening end and a second opening end which are oppositely arranged; the first end cover and the second end cover are respectively arranged at the first opening end and the second opening end; the two end covers are provided with smoke suction and exhaust ports used for being connected with a ventilation pipeline. A machine room access door is arranged on one side wall; an internal smoke exhaust pipeline is arranged in the machine room enclosure bulkhead cylinder body, the two ends of the internal smoke exhaust pipeline are connected with the smoke suction and exhaust ports in the first end cover and the second end cover respectively, and the fan is arranged on the internal smoke exhaust pipeline. The UHPC shell is adopted and serves as an outer enclosure material of the machine room structure at the same time, the functions of enclosure, decoration, structural bearing and partial fire prevention are achieved, and building structure decoration and function integration is achieved.

The invention relates to a UHPC-based fabricated fire-fighting smoke exhaust fan room structure and a construction method thereof, the room structure comprises a main body structure, and the main body structure is prefabricated by adopting an ultra-high performance concrete UHPC material; a fan is arranged in the internal space of the main body structure; the main body structure is provided with a machine room enclosure bulkhead cylinder body and an end cover side wall. Wherein the machine room enclosure bulkhead cylinder body is provided with a bottom plate, a first side wall and a second side wall, the first side wall and the second side wall are connected with the bottom plate and vertically arranged in parallel, and a first opening end and a second opening end which are oppositely arranged are arranged at the two ends of the machine room enclosure bulkhead cylinder body in the horizontal direction respectively; the end cover side wall is provided with a first end cover and a second end cover which are respectively arranged at the first opening end and the second opening end; the first end cover and the second end cover are each provided with a smoke suction and exhaust port, and the smoke suction and exhaust ports are used for being connected with a ventilation pipeline. The UHPC shell is adopted, the advantages of being high in strength and good in fire resistance are achieved, the prefabricated assembly type structure is adopted, construction is convenient, and efficiency is high.

The utility model relates to a door type flat plate net rack closed workshop under a steel plant area limited space, which comprises a vertical bearing and a roof net rack, the vertical bearing is divided into an upper section and a lower section, the lower section is a steel column, the upper section is a net rack structure consisting of a connecting rod piece and a bolt ball, the net rack structure is arranged on the steel column through a connecting support, and the roof net rack is arranged on the steel column. The roof net rack is formed by connecting a connecting rod piece and a bolt ball, and the net rack structure is connected with the roof net rack through the bolt ball and the connecting rod piece. The problem that double steel stand columns cannot be arranged in a limited space is solved, the steel structure factory building is more compact in structure, the bearing capacity of the steel columns is reduced, the size and depth of a buried foundation are correspondingly reduced, interference between surrounding buildings and structures is avoided, the construction cost is reduced, and the steel structure factory building is suitable for being built in a space-limited site.

The utility model discloses a space truss system plant structure, which is characterized in that a longitudinal support, a gable support and a roof horizontal support are arranged, so that a plant forms a space truss system, a wind-resistant column and a frame column become bidirectional components without lateral displacement, the calculated length of a plant column is greatly shortened, and the plant column can be stably supported under the condition that the requirement of specifications on the stability of the plant column is met. The strength advantage is fully exerted, the column section size is reduced, a large number of engineering materials are saved, and meanwhile the plant appearance is light and attractive. The roof system is simplified into a plane truss, the plane truss, the longitudinal direction of the plant and the gable wall form a space truss system, rod pieces such as upper and lower chord members and web members on the roof are reduced, the roof is light and simple, materials are saved, the self weight is reduced, and the total height of the plant is reduced under the condition that the effective use height of the plant is guaranteed.

The invention discloses a coating workshop based on a central stereoscopic warehouse and a layout method of the coating workshop. The production line is characterized in that a center three-dimensional warehouse is arranged in the center of a coating workshop, at least one process line is arranged around the center three-dimensional warehouse, any number of warehouse-in ports and warehouse-out ports are formed in any positions of the four side faces of the center three-dimensional warehouse, and the warehouse-in ports and the warehouse-out ports are connected into the process line through connecting conveying lines; each process line at least comprises a process area, the coating workshop is of at least one layer of building structure, and the center three-dimensional warehouse is of at least one layer of building structure. According to the invention, the problem of poor storage flexibility of a coating workshop in the prior art is solved.

The invention discloses a control method of a solar power plant and a related device, and relates to the technical field of electric energy conversion, and the solar power plant comprises a controller, solar power generation equipment, a water release valve, a water storage pool, a generator and a photovoltaic standby battery. According to the method, the historical power generation data, the historical power consumption data, the historical weather forecast and the future weather forecast are combined, and various factors influencing the solar power generation quantity and the power consumption are fully considered, so that the prediction accuracy and reliability are improved. According to the scheme, when the situation of insufficient power supply possibly occurs in the future based on the prediction result, the water stored in the water storage tank is utilized to generate power and the power is stored in the photovoltaic standby battery, so that when the power supply is insufficient subsequently, the power can be supplied to the local power grid timely and stably by utilizing the timeliness and the stability of the output electric energy of the photovoltaic standby battery, and the power supply efficiency is improved. Therefore, the power generation insufficiency of solar power generation equipment is made up, and the power demand of a local power grid is met.

The invention discloses a modular hot cell, and relates to the technical field of radiation experiments. The hot cell comprises: a base; a shielding body, wherein the shielding body is arranged on the base; the shielding body is arranged on the base, the shell is arranged on the base, and the shell is located in the shielding body; part of the passing assembly is arranged on the shielding body, and part of the passing assembly is arranged on the shell; a part of the observation assembly is arranged on the shielding body, and a part of the observation assembly is arranged on the shell. According to the modularized hot chamber, through the modularized splicing structure of the base, the shielding body and the shell, the construction efficiency of the hot chamber is remarkably improved, the nested design of the shielding body and the shell forms a multiple radiation protection barrier, and the radiation leakage amount is controlled to be at an extremely low level while the operation visibility of personnel is guaranteed. According to the invention, a user can inspect the damaged fuel element at the first time, and the efficiency and reliability of fuel element damage inspection and analysis are improved.

The utility model discloses an onboard work shelter, including shelter main part, traction mechanism, electrical equipment, shock absorption equipment and guarantee facility, traction mechanism, electrical equipment and shock absorption equipment are respectively connected with shelter main part, guarantee facility is provided in shelter main part. The shelter can obviously reduce vibration and jolt on a machine and has a good sound insulation effect, the layout of a working area and a rest area in the shelter can be changed according to different task requirements, and a good working environment and a good rest environment can be provided; a warm and comfortable environment can be provided for passengers; the lifting mechanism is convenient to operate and flexible and labor-saving in steering, and square cabin transfer work in a short range can be conveniently completed. The square cabin is neat in appearance, and the built-in embedded storage box can store an air conditioner water storage box, a winding roll, a draw bar, a toolkit and the like.

This invention discloses a protective device and construction method for dismantling a large bulk material loader. The protective device includes temporary supports for the movable conveyor belt trolley, temporary supports for the first main column, and temporary supports for the second main column and the second inclined column, providing temporary support for the inclined column and the lower second main column. The temporary supports for the movable conveyor belt trolley are located below the movable conveyor belt trolley. Each first main column has two corresponding temporary supports, with both ends connected to the first main column and the main beam of the machine room platform, respectively. This invention's protective device and construction method for dismantling a large bulk material loader effectively prevents the loader structure from overturning and workers from falling from heights, eliminating significant safety hazards during construction and ensuring the safety of the loader dismantling operation. It has great application potential.

The present invention belongs to the field of boring technology, and particularly relates to a safety protection device for edge operations on a heavy-duty boring machine turntable. The technical solution is as follows: a safety protection device for edge operations on a heavy-duty boring machine turntable, comprising: arched plates connected to the four sides of the turntable, the four arched plates and the turntable being spliced ​​into a full circle, a square cover plate connected to the lower slide, an inscribed circle cooperating with the four arched plates being provided in the square cover plate, a bracket connected to the wall of the workbench on the side of the pit, a movable roller chain plate connected to the side of the bracket close to the front end of the pit, a fixed cover plate connected to the other side of the bracket, a movable cover plate provided between the fixed cover plate and the square cover plate, and the movable cover plate being slidably connected to the bracket. The present invention provides a safety protection device for edge operations on a heavy-duty boring machine turntable, which solves the problems of incomplete protection, inconvenient use, difficult cleaning, and insufficient carrying capacity in the prior art.

An electrolytic hydrogen production system and a container building module. The electrolytic hydrogen production system comprises an electrolytic tank, a hydrogen side gas-liquid separator, an oxygen side gas-liquid separator and a liquid supplementing pump. The electrolytic tank is used for electrolyzing water into hydrogen and oxygen, and the electrolytic tank is provided with a hydrogen side outlet and an oxygen side outlet. The hydrogen side gas-liquid separator is communicated with the hydrogen side outlet; the hydrogen side gas-liquid separator is also provided with a first liquid discharge port; the oxygen side gas-liquid separator is communicated with the oxygen side outlet, and the oxygen side gas-liquid separator is further provided with a second liquid discharge port. One end of the liquid supplementing pump is communicated with the first liquid outlet and / or the second liquid outlet, and the other end of the liquid supplementing pump is communicated with the hydrogen side outlet and / or the oxygen side outlet. And the liquid supplementing pump is used for conveying liquid in the hydrogen side gas-liquid separator and / or the oxygen side gas-liquid separator to the hydrogen side outlet and / or the oxygen side outlet when the electrolytic tank is shut down, so that the liquid flows back to the electrolytic tank. According to the electrolytic hydrogen production system, gas on the hydrogen side and gas on the oxygen side of the electrolytic tank can be prevented from penetrating and mixing.

The utility model discloses a rail type heat preservation shed for a large-section linear side wall, and relates to the technical field of rail type heat preservation sheds for infrastructure engineering. The sliding wheels ensure that the thermal insulation shed slides along the axis; the rack provides a supporting system and a working space for the construction of the thermal insulation shed; the ladder stand provides an up-down channel for the construction of the thermal insulation shed; the scaffold board provides a working position for the construction of the thermal insulation shed; the rail-mounted heat preservation shed has the advantages that the time for repeatedly mounting and dismounting heat preservation materials is saved, damage and waste of the heat preservation materials are reduced, labor input of erecting workers, labor workers and the like is reduced, and the rail-mounted heat preservation shed plays a positive role in saving cost and shortening the construction period.

The application belongs to the technical field of composite material and metal material repair, and specifically discloses a novel composite material intelligent repair shelter system, which comprises a modular shelter main body, an auxiliary facility subsystem, a special repair subsystem, a power supply subsystem, a monitoring and sensing subsystem and an environment control subsystem; the auxiliary facility subsystem is arranged in the modular shelter main body, and the auxiliary facility subsystem comprises a gluing module, a polishing module and a curing module which are sequentially arranged along the length direction of the modular shelter main body. The novel composite material intelligent repair shelter system is provided, and through system integration and intelligent control in the mobile shelter, the composite material repair capability which originally depends on fixed facilities and is operated in a scattered manner is converted into integrated support capability which can be quickly advanced, self-adapts to the environment and is controllable in process, so that the problems of slow repair response, difficult quality guarantee and long support chain in the front deployment scene are fundamentally solved.

The invention relates to the technical field of green plant building, and discloses a self-adaptive noise reduction type green new energy low-carbon plant and a using method.The self-adaptive noise reduction type green new energy low-carbon plant comprises an outer wall arranged on the outer side of an inner wall, a sound insulation space is formed between the outer wall and the inner wall, and supporting columns are installed for supporting; first reflecting plates are rotationally arranged on the inner walls of the two sides of the inner wall, sound detection probes are arranged on the first reflecting plates, and an adjusting mechanism comprising a first rotating plate, a second rotating plate and an electromagnet is arranged between the first reflecting plates and the inner wall of the inner wall; an opening is formed in the top of the inner wall, a second reflecting plate is slidably mounted in the opening, and linkage mechanisms comprising rotating shafts and telescopic mechanisms are arranged on two sides of the second reflecting plate; the lower ends of the two second reflecting plates are connected with partition plates, and compartments are formed between the partition plates and the inner wall. In the invention, the noise centralized processing area is constructed through the sound insulation space and the honeycomb layer, an additional sound insulation cover is not needed, and the equipment flexibility is improved; the angle of the first reflecting plate is adjusted through the detection probe and the adjusting mechanism, the position of the second reflecting plate is synchronously adjusted through the linkage mechanism, noise is reflected into the sound insulation space to be absorbed, energy consumption is reduced, and carbon emission is reduced.

The invention relates to a fence comprising at least one interior space, in particular for at least one industrial workplace, a treatment station and / or a processing station for treating and / or processing workpieces, in particular vehicle bodies; the present invention relates to a fence comprising at least one inner space and comprising a support structure for delimiting at least one inner space, the support structure comprising a plurality of support modules, each support module comprising at least two support beams and at least one cross beam connecting the at least two support beams to each other along a transverse axis of the fence, the plurality of support modules being sequentially arranged along a longitudinal axis of the fence, and are connected to each other by means of at least one longitudinal member. The invention also relates to a treatment and / or processing station comprising a fence of this type. The invention further relates to a treatment and / or machining system for treating and / or machining workpieces, in particular vehicle bodies, comprising one or more treatment and / or machining stations of this type.

The present disclosure provides a support column, comprising a first column segment and a second column segment, the first column segment and the second column segment of the support column are configured to provide support between two adjacent horizontal modules of a process device module and / or between a horizontal module of a process device module and a ground; one end of the first column segment and one end of the second column segment are arranged in sliding contact and detachably connected; and a sum of a length of the first column segment, a length of the second column segment, and a sliding contact distance between the first column segment and the second column segment in a longitudinal direction is greater than a distance between the two adjacent horizontal modules in a longitudinal direction of the support column. When the horizontal module is assembled with other modules and the support columns need to be removed, the first column segment is disconnected from the ground below or from the installed horizontal module below, the second column segment is disconnected from the installed horizontal module above, the joint between the first column segment and the second column segment is loosened to make the first column segment and the second column segment come into sliding contact and get close to each other, such that the whole support column is removed, which is time saving and labor saving.

The invention discloses a concrete pouring trolley for train maintenance pit construction and an operation method for construction of the concrete pouring trolley. The trolley comprises a traveling part and a pouring part. The traveling part comprises a chassis, a wheel assembly mounted on the chassis and a traveling control system; the pouring part comprises a concrete bin, the concrete bin is arranged on the chassis, a stirring device is arranged in the bin, and a discharging control system is arranged at the bottom of the bin; the wheel assembly comprises at least four wheels which are oppositely arranged in pairs, and the wheels are rail attaching wheels, so that the trolley can run on the steel rails; the driving control system is used for controlling the speed and driving of the trolley; the discharging control system is used for adjusting the concrete discharging angle and the concrete discharging amount; in the construction process, the discharging control system and the traveling crane control system are matched to control the pouring speed of concrete, the pouring quality is ensured, the cost of measuring equipment is saved, it is ensured that the pouring structural precision meets the design requirement, and good practical value and application prospects are achieved.

Wind protection device (12) for a protective structure of a telescope (14), comprising the following features: - at least one windbreak panel (16, 18, 20, 22); - at least one guide rail (24, 26) attached to the protective structure of a telescope (14) comprising a first track (28), a second track (30) and a third track (32); - at least one carriage (34) attached to the at least one windscreen panel (16, 18, 20, 22) with a first wheel (36), a second wheel (38) and a third wheel (40), each of which can roll on a corresponding track (28, 30, 32) of the guide rail (24, 26) around respective axes of rotation (361, 381, 401); wherein each track (28, 30, 32) defines a respective axis of rotation (281, 301, 321); characterized in that the axes of rotation (281, 301, 321) intersect at a convergence point (P) on the at least one guide rail (24, 26).