211 results about "I-beam" patented technology

The invention discloses an intelligent and safe hoisting monitoring method for a large-tonnage I-beam, relates to the field of construction safety, is based on a monitoring system consisting of a sensing layer, a transmission layer, a data layer, a decision layer and an execution layer, and comprises the following steps: deploying the sensing layer, constructing the transmission layer, configuring the data layer, constructing the decision layer and responding to the execution layer. Structural stress is monitored through a high-precision strain gauge and a distributed optical fiber sensor, the posture is monitored through an MEMS tilt angle sensor and a six-axis gyroscope, the state of the lifting appliance is monitored through a tension sensor and a visual recognition sensor, the environment is monitored through an ultrasonic anemograph and a laser radar, and multi-dimensional data collection is conducted through a displacement sensor monitoring device. Full-scene monitoring of the state of the I-shaped beam, the performance of a lifting appliance, the working environment and crane equipment is achieved, potential risks are captured without dead corners, the accuracy and reliability of data under complex working conditions are ensured, the problems that traditional monitoring data are prone to being interfered by the environment and insufficient in precision are solved, and the safety coefficient is increased.

The invention discloses a road and bridge crack reinforcing device and method.The road and bridge crack reinforcing device comprises a high-strength anti-rust steel beam column, the lower surface of the high-strength anti-rust steel beam column is fixedly connected with a high-strength anti-rust steel I-beam, and the lower surface of the high-strength anti-rust steel I-beam is fixedly connected with a base; an upper-layer left-side bolt and an upper-layer right-side bolt are in threaded connection with the interior of the base, an upper-layer left-side fixing pin and an upper-layer right-side fixing pin penetrate through the interior of the base, a supporting platform is tightly attached to the outer surfaces of the upper-layer left-side fixing pin and the upper-layer right-side fixing pin, and an upper supporting column is fixedly connected to the lower surface of the supporting platform. A rapid splicing groove is formed in the upper supporting column, and a lower supporting column is tightly arranged on the inner surface of the rapid splicing groove in a press fit mode. After being implemented, the device has high structural stability, parts can be conveniently and flexibly replaced, and the device has the good flexible installation performance and the high compatibility effect.

The invention relates to a clamping device for a rail walking unit of a rail hanging robot. The clamping device comprises a first clamping part and a second clamping part which are arranged on the two sides of an I-beam web respectively. A strip-shaped channel is formed in the web plate; the locking and pulling part comprises a bracket A and a bracket B, and the bracket A and the bracket B are fixedly connected with the first clamping part and the second clamping part respectively; a linear push-pull mechanism A is arranged on the support A, a turnover mechanism is arranged at the movable end A of the linear push-pull mechanism A, a lock box is fixedly arranged at the turnover end of the turnover mechanism, a cavity groove and a T-shaped groove which are communicated with each other are formed in the lock box, the T-shaped groove comprises a transverse part and a longitudinal part, the longitudinal part is a receding groove, and the transverse part comprises a limiting face B; the pull rod penetrates through the channel, the two ends of the pull rod are located on the two sides of the web, one end of the pull rod is fixedly connected with the movable end B, a locking block is fixed to the other end of the pull rod and comprises a front face and a back face, and the back face is a limiting face A. According to the technical scheme, the posture of the robot can be prevented from being changed easily in a strong wind environment.

Provided in this application is a timber structural member having an I-beam configuration which includes a first slotted timber flange and a second slotted timber flange, and a web having opposed tongues. Each of the opposed tongues is disposed in a respective slot to connect the first and second flanges.

The application provides a clamp for skin and stiffener friction stir welding, which comprises: a base arranged on a machine tool; a plurality of I-beams arranged on the base; wherein the stiffener is arranged on the I-beam, and the skin is arranged on the stiffener; a plurality of clamping top frames, the clamping top frames are located above the corresponding skins, the two ends of the clamping top frame are arranged on the base, and the middle part of the clamping top frame is used for pressing the skin and the stiffener; meanwhile, the application also provides a method for skin and stiffener friction stir welding; the application solves the problem that the traditional clamp is difficult to clamp the to-be-welded part when welding a plurality of welds on the same plane, and reduces the possibility of welding deformation.

The present invention improves the wind resistance performance of a long-span bridge using a bridge girder comprising two end main box girders or two end main I-shaped girders. The bridge structure of the present invention comprises a bridge girder 13 having a deck slab 21 and a main girder 22 that includes I-shaped girders 23, 24 or box girders supporting the deck slab 21 from below at both ends in the width direction of the deck slab 21, the bridge structure being characterized in that the span length of the bridge girder 13 exceeds 100 m, the total width of the bridge girder 13 is 15 m or less, the height of the main girder 22 is 1.2 m or more, the ratio W1 / H3 of the total width W1 of the bridge girder 13 to the height H3 of the main girder 22 is seven or more, and a steel material with a yield strength of 380 N / mm2 or more is used for at least a lower flange of the main girder.

This invention pertains to the field of tunnel structure testing technology, specifically a stiffness coordination testing structure and method for actively unloading gravel-reinforced structures. It includes two supports, on which a gabion cage is mounted. Several tension rod assemblies are installed on the gabion cage, each with a strain gauge connected to a static strain gauge. Two I-beams are positioned on the upper surface of the gabion cage. A reaction frame is located on the experimental platform, with jacks positioned between the reaction frame and the I-beams on the upper surface of the two I-beams. A non-contact full-field strain measurement system is also installed on the experimental platform to measure the displacement data of the lower edge of the gabion cage. This method can simulate the working state of an actively unloading gravel-reinforced structure in a tunnel indoors, realistically reproducing the stress and unloading mechanisms of such structures and reflecting the overall stiffness evolution characteristics.

The utility model provides a kind of screwing formula auxiliary frame device, including multiple I-beams, tee and door frame assembly;Multiple I-beams, tee and door frame assembly are connected with each other, form the overall framework of auxiliary frame, and still be connected with pull rope locking device, inclined support, connecting piece and equipment mounting plate on I-beam by bolt;The I-beam is connected with bearing mounting seat by stand column, and adjusting washer for adjusting the height of stand column is equipped between stand column and I-beam.The utility model is by using screwing structure, and the characteristics of its extension performance are good, energy can be consumed in the impact process of use, and then the impact resistance of auxiliary frame device is improved, and screwing structure is detachable, replaceable, convenient for later maintenance and replacement, and the use performance of auxiliary frame device can be effectively improved.

The utility model provides a steel structure stair welding-free type edge protection structure which comprises a left supporting vertical rod assembly, a right supporting vertical rod assembly, a plurality of middle supporting vertical rod assemblies and a sleeving cross rod, the left supporting vertical rod assembly, the right supporting vertical rod assembly and the middle supporting vertical rod assemblies respectively comprise a lower sleeve and an upper vertical rod, and a clamping base is arranged on the lower portion of the lower sleeve. The lower end of the upper vertical rod is sleeved with the corresponding lower sleeve, two left one-way sleeves distributed up and down are arranged on the upper portion of the upper vertical rod in the left supporting vertical rod assembly, and two right one-way sleeves distributed up and down are arranged on the upper portion of the upper vertical rod in the right supporting vertical rod assembly. And two middle two-way sleeves which are distributed up and down are arranged at the upper part of an upper vertical rod in the middle supporting vertical rod assembly. The protective structure is fixedly installed on one side of the I-shaped beam in a clamping mode, the overall structural strength of the I-shaped beam is not affected, meanwhile, the protective structure is easy to install and detach, and the installing and detaching efficiency of the protective structure can be improved.

A lifting frame has an I beam 2 with upper and lower flanges 4A, 4B and a web 6. with the web and flanges having a rray of apertures along the length of the beam. An end plate 10 forms an axial flange

The utility model relates to the technical field of house building project discharging platforms, and discloses a house building project discharging platform which comprises an I-shaped beam, a table top base is fixedly connected to the outer surface of the right middle of the I-shaped beam, a side guardrail and a front guardrail are fixedly connected to the outer surface of the upper end of the table top base, and the side guardrail is located on the outer surface of one side of the front guardrail. The outer surfaces of the left side and the right side of the side guard bar are movably connected with guard bar outer frames, when the device is used, through the arranged unloading assembly, materials can be conveniently and rapidly moved to a designated position, operation is convenient and rapid, compared with a traditional unloading mode, the device is safer and more stable, and through the arranged protective net, the device is more convenient to use, and the labor intensity of workers is reduced. When materials are placed on the discharging platform, some small and broken materials can be collected on the protective net, the small and broken materials are prevented from falling to the position below the discharging platform and hurting objects and operators below the discharging platform, and the safety when the materials are placed is further improved.

A wave-shaped web I-beam front axle, including I-beam and the front axle body arranged at both ends of the I-beam, the front axle body extends obliquely outward and is provided with a front axle pipe, the I-beam includes horizontal upper web and lower web, the upper web and the lower web are fixedly connected by vertical middle web, so that the upper web, the middle web and the lower web form the I-beam with I-shaped cross section, and the horizontal section of the middle web is wave-shaped.The utility model discloses more reasonable structure design, through reducing the thickness of the upper web of the I-beam, the width of the upper web and the lower web of the I-beam and the thickness of the middle web, the relative circular pipe beam cross section area reduces 29.5%, realizes that the I-beam front axle reduces 12.5% in weight, in addition, the cross section height of the I-beam is higher than that of the circular pipe beam, improves the bending fatigue strength of the front axle, the middle web is designed into wave-shaped, improves the bending deformation stiffness of the front axle, namely, in the whole weight reduction, the bending resistance of the front axle can be improved.

The utility model provides a transformer with a heat dissipation function, which relates to the technical field of transformers and comprises a transformer body, an I-shaped beam is fixedly mounted at the bottom end of the transformer body, heat dissipation fins are fixedly mounted on the surface of the transformer body, and a connector is fixedly mounted at the top end of the transformer body. A ventilation opening is formed in the surface of the transformer body, a fixing plate is fixedly mounted in the ventilation opening, and a protective net is fixedly mounted on the surface of the fixing plate, so that a better using effect is achieved, a motor on the back face of a mounting plate is started in the using process, and the motor drives fan blades to rotate through a rotating rod; at the moment, the fan blades can blow hot air in the transformer body out of the interior of the transformer body through the space between the connecting rods and the supporting rods, so that the problem that the temperature of an existing transformer cannot be effectively reduced due to the heat dissipation performance of the transformer, and consequently the transformer is prone to running at a high temperature for a long time is solved; and the service life of the transformer is shortened.

According to the truss walking device with the pulleys installed in the staggered mode, a movable frame can move in the length direction of an I-shaped beam, a second pulley is arranged at the bottom of a top frame of the movable frame, a second pulley is arranged at the top of a bottom frame of the movable frame, and the second pulley makes contact with the inner side face of a vertical piece. The upper second pulley and the lower second pulley are arranged in a staggered mode in the length direction of the I-shaped beam, and mounting holes are formed in the I-shaped beam. When a certain second pulley is damaged, the second pulley moves to the mounting hole, and after a maintenance person completes dismounting of a bolt and a nut through the mounting hole, replacement of the second pulley is achieved; the mounting holes provide a space for mounting and dismounting bolts and nuts; the upper and lower pulleys are arranged in a staggered manner, so that the two second pulleys cannot completely cover the upper and lower surfaces of the mounting hole, and the second pulleys and the top frame or the bottom frame can be conveniently disassembled and assembled.

The utility model discloses welding equipment for an I-shaped beam, which belongs to the technical field of I-shaped beam manufacturing and comprises a working platform and a portal frame distributed along the length of the working platform, the portal frame stretches across the working platform, and I-shaped beam fixing components capable of pressing the I-shaped beam are uniformly distributed on the top surface of the working platform in the length direction; an I-shaped beam welding assembly capable of assembling the I-shaped beam is arranged on the portal frame; the I-shaped beam fixing assembly comprises a cushion block, a fixing seat and a first air cylinder; the cushion block can support a web plate of the I-shaped beam to be in a horizontal state, the fixing base can support one wing plate of the I-shaped beam to be perpendicularly connected with the web plate in an abutting mode, the first air cylinder can push the other wing plate of the I-shaped beam to move towards one side of the web plate, and therefore the two wing plates and the web plate are in a perpendicular clamping state. The cushion block supports the height of the web of the I-shaped beam, the fixing base is matched with the first air cylinder to enable the two wing plates to abut against the two ends of the web, welding of the splicing position is completed through the welding assembly, so that the convenient operation of rapid press fitting is achieved, the labor intensity is reduced, and the productivity is improved.

This invention relates to a method for dismantling and reusing hollow slab bridges, belonging to the field of bridge construction technology. Current methods for dismantling hollow slabs require significant manual labor. Due to the narrow hinge spaces of the original bridge and the reinforcing steel bars at both ends and internally, conventional dismantling easily damages the hollow slabs, resulting in damage to the removed slabs. This invention eliminates the need to break the hinges when dismantling the hollow slab bridge. Instead, it cuts the top and bottom slabs of the central hollow slab, retaining the hinges. The cut blocks in the middle are I-shaped, forming I-beams. After reinforcing the cut blocks, they are reused, installed, and subjected to transverse prestressing. Ultra-high performance concrete is then laid on the bridge deck. This solution dismantles the hollow slab bridge into I-beams, allowing the new bridge to be either an I-beam bridge or still a hollow slab bridge. The dismantling work is minimal, the tools are simple, and the cut blocks can be reused, accelerating the widening and reconstruction of existing bridges, avoiding resource waste, and reducing investment.

A fabricated building building machine hoisting device with an auxiliary balance function comprises a walking mechanism installed between two supporting main beams, the two supporting main beams are fixedly installed at the upper end of a building building machine, longitudinal rails are arranged on the upper surfaces of the supporting main beams, and two rail wheels are arranged at the two ends of a main frame body of the walking mechanism side by side; the rail wheels at the two ends are connected to the longitudinal rails on the two sides in a matched mode, a longitudinal driving assembly connected with the rail wheels is arranged in the main frame body, an I-shaped beam is arranged on the bottom face of the main frame body, a winch below the I-shaped beam is connected with the I-shaped beam in a sliding mode, and a transverse driving assembly is arranged between the winch and the I-shaped beam. Two clamping and positioning mechanisms are symmetrically mounted on the shell on the two sides of the winch; the device has the advantages that the hoisting operation is simple and convenient, an operator can perform high-quality and high-efficiency assembling operation through the device, the two clamping and positioning mechanisms can clamp the upper part of a prefabricated part, the auxiliary positioning effect is achieved, the violent shaking phenomenon is avoided, and the construction safety is ensured.

The present disclosure includes apparatuses for a surgical reloadable cartridge assembly. An example apparatus includes a blade assembly which comprises leaves and an I-beam. In an example there are two outer leaves and at least one inner leaf. The two outer leaves are connected to the I-beam. The at least one inner leaf is not connected to the outer leaves and is connected to the I-beam with a connection that allows the at least one inner leaf to move relative to the I-beam while not being pulled away from the I-beam when tension is applied to the at least one inner leaf.

The utility model provides a cross-shaped lifting beam for vertically lifting an offshore wind power tower drum, which comprises a transverse I-shaped beam and a longitudinal I-shaped beam, at least one first transverse lifting lug is respectively arranged at the end parts of two sides above the transverse I-shaped beam, and at least one first longitudinal lifting lug is respectively arranged at the end parts of two sides above the longitudinal I-shaped beam; a plurality of second transverse lifting lugs are symmetrically arranged on the two sides of the lower portion of the transverse I-shaped beam, and a plurality of second longitudinal lifting lugs are symmetrically arranged on the two sides of the lower portion of the longitudinal I-shaped beam; triangular reinforcing toggle plates are arranged at the joints of the transverse I-shaped beams and the longitudinal I-shaped beams; rectangular reinforcing rib plates are arranged in the transverse I-shaped beams and the longitudinal I-shaped beams. According to the utility model, the requirements of various lifting distances of parts such as an offshore wind power tower drum and a cabin are met, the height of the sling is shortened, and the lifting action time of the movable pulley of the crane is reduced; the horizontal stress in the hoisting process of the fan tower drum is reduced while vertical hoisting of components such as the tower drum is guaranteed, deformation of a flange and a drum section at the top of the tower drum is avoided, and the butt joint construction efficiency of the tower drum flanges is improved.

The invention relates to the technical field of H-shaped beam machining, in particular to a novel H20 H-shaped beam toothing technology which comprises the following steps that firstly, two vertical plate raw materials for H20 H-shaped beam machining are symmetrically placed in a vertical machining assembly of a toothing device, and symmetrical comb tooth machining is conducted on the opposite sides of the two vertical plates through the vertical machining assembly; and secondly, transverse plate raw materials for machining the H20 I-shaped beam are placed in transverse machining assemblies of the toothing device, and the two ends of a transverse plate are symmetrically subjected to tooth combing machining through the transverse machining assemblies. According to the device, in the machining process, transverse plates and vertical plates are synchronously machined, the situation that tooth joint positions are deformed due to the fact that the plates are placed for a long time after preliminary machining is completed is advantageously avoided, connection and combination are automatically conducted after comb tooth machining, and the machining efficiency of H20 I-beam tooth joint is advantageously improved.

The utility model relates to the technical field of bridge structures, in particular to a prefabricated concrete I-beam for a bridge structure and the bridge structure, the I-beam comprises a top plate, a web plate, a bottom plate and a first anchorage device, the first anchorage device is embedded in the I-beam, and the first anchorage device is located at the junction of the top plate and the web plate; first prestressed tendons are tensioned between the oppositely arranged first anchorage devices; the first anchorage device comprises a first spiral rib, the first spiral rib wraps the first prestressed rib at intervals, the first spiral rib comprises a first rib section and a second rib section which are connected, and the first rib section and the second rib section are sequentially arranged in the direction from the end face of the I-shaped beam where the first anchorage device is located to the end face of the other side of the I-shaped beam; and the radial sectional area wrapped by the second section of rib is smaller than the radial sectional area wrapped by the first section of rib. The first spiral rib is arranged in a segmented reducing mode, so that the first anchorage device can maintain enough pressure stress strength to guarantee the tensile property of the I-shaped beam while adapting to the size of the thin web plate and avoiding stress concentration or cracking.

The application relates to a clamping device for a hanging rail robot track walking unit, which comprises a first clamping part and a second clamping part arranged on the two sides of the web of an I-beam; a long strip-shaped channel is formed in the web; the lock pulling part comprises a support A and a support B, the support A and the support B are fixedly connected with the first clamping part and the second clamping part respectively; a linear push-pull mechanism A is arranged on the support A, a movable end A of the linear push-pull mechanism A is provided with a turnover mechanism, a turnover end of the turnover mechanism is fixedly provided with a lock box, a cavity groove and a T-shaped groove which are in communication are arranged on the lock box, the T-shaped groove comprises a horizontal part and a vertical part, the vertical part is a let-out groove, and the horizontal part comprises a limiting surface B; a linear push-pull mechanism B is arranged on the support B, a pull rod passes through the channel and is arranged at the two sides of the web, one end of the pull rod is fixedly connected with a movable end B, the other end of the pull rod is fixedly provided with a lock block, and the lock block comprises a front surface and a back surface, the back surface is a limiting surface A. The technical scheme can avoid the change of the pose of the robot in a strong wind environment.

The utility model relates to the technical field of building construction, and discloses a steel structure building masonry connecting structure. Comprising a constructional column, a steel structural beam and a connecting assembly, and the constructional column comprises a column body and steel tie bars; the steel structural beams are I-shaped beams, are staggered with the steel tie bars, and are arranged on the front sides of the constructional columns at intervals; the connecting assembly comprises a connecting body, stirrups and at least two connecting steel plates, the two opposite side edges connected with the connecting steel plates are connected with the outer side of the column body and the inner side of a web of the steel structure beam correspondingly, the connecting steel plates are connected with the steel tie bars, the at least two connecting steel plates are arranged in parallel at intervals, and the stirrups are wound around the outer side walls of the connecting steel plates. The at least two steel plates are bound and connected together in the front-back direction; the connecting strength between the constructional column and the steel structural beam can be effectively enhanced, and damage to the steel structural beam can be reduced.

The invention relates to a railway slope protection technology, and provides a railway slope anchor rod reinforcing system and a construction method in order to solve the problems that an existing railway slope protection net is poor in stability and reliability and the like, the railway slope anchor rod reinforcing system comprises a plurality of reinforcing assemblies and a plurality of I-shaped connecting beams which are distributed on a construction face, and each reinforcing assembly comprises an anchor rod and a cross-shaped frame beam; one end of the anchor rod is inserted into the anchor rod hole, and the other end extends outwards along an orifice of the anchor rod hole; an anchor rod mounting hole is formed in the center of the cross-shaped frame beam, and the extension section of the anchor rod penetrates through the anchor rod mounting hole and then is connected with the cross-shaped frame beam through a nut; transverse beams and longitudinal beams of the cross-shaped frame beams are I-shaped beams, and the transverse beams of every two adjacent cross-shaped frame beams are fixedly connected through an I-shaped connecting beam. The longitudinal beams of every two adjacent cross-shaped frame beams are fixedly connected through an I-shaped connecting beam, and the cross-shaped frame beams of the multiple sets of reinforcing assemblies are connected into a whole to form a reinforcing frame.

The invention discloses a method for manufacturing a main surface of a shipborne special-shaped antenna, and belongs to the technical field of antenna manufacturing. According to the method, aiming at the problem that the main surface of the shipborne long-strip elliptical antenna is easy to deform, molded surface deviation control is realized through mold structure optimization, product structure design and process parameter control, a mold adopts a cast iron material, an upper and lower mold pressing structure and a multi-degree-of-freedom adjusting device, and an I-shaped beam and a net-shaped framework are additionally arranged in the product; a low-shrinkage epoxy carbon fiber composite material is selected and matched with a specific prepreg laying and curing process. The profile deviation caused by thermal expansion of the mold can be reduced by 10%-20%, the rigidity and the stability of a product are remarkably improved, the mean square error of profile profile deviation is controlled within 0.15 mm, the high-precision use requirement of shipborne and vehicle-mounted radar radomes is met, and good practicability and popularization value are achieved.

The utility model discloses a reinforcement cage hoisting device for pile foundation construction, which comprises a hoisting cross beam, a hoisting hole used for being connected with a crane hook is formed at the top of the hoisting cross beam; the main lifting appliance assembly comprises a sliding adjusting plate which is slidably connected in the length direction of the lifting cross beam, sling clamping grooves are symmetrically formed in the sliding adjusting plate, and first slings are connected in the sling clamping grooves; the top of the sliding adjusting plate is fixedly provided with a positioning locking plate which is used for locking the sliding adjusting plate and the hoisting cross beam after being adjusted; a plurality of reinforcement cage hoisting points are connected and formed on the hoisting cross beam, and the plurality of hoisting points correspond to the inner ring part and the outer ring part of the top of the reinforcement cage respectively, so that multi-point uniform hoisting of the reinforcement cage is formed, the uniformity of hoisting stress of the reinforcement cage is improved, and deformation in the hoisting process is avoided; the main lifting appliance assembly is provided with an adjusting plate capable of sliding along the I-shaped beam, stepless adjustment of the distance between lifting points is achieved, and the lifting device meets the requirement for lifting reinforcement cages of different sizes.

The application discloses an alloy joint and composite material I-beam connecting structure, comprising: a composite material I-beam and an alloy joint; the alloy joint has an I-shaped connecting part, the connecting part has a first connecting groove and a second connecting groove for accommodating two sides of the end part of the composite material I-beam, a hollow gap is arranged between the two connecting grooves and is used for inserting a vertical section of the composite material I-beam; connecting holes are formed in upper and lower edge strips of the first connecting groove and the second connecting groove, and the upper and lower flanges of the composite material I-beam are connected through a plurality of fasteners; an insulating adhesive layer is arranged between the inner surfaces of the connecting grooves and the composite material I-beam, and the end part of the inserted I-beam is bonded in the connecting grooves. The application has the advantages of clear force transmission path, offset part of bending moment by bending root couple, light weight, high connecting strength, high reliability, fatigue resistance, corrosion resistance and the like, and can be applied to telescopic wing unmanned aerial vehicle manufacturing.

The invention relates to a pressure sensing device, a manipulator and a pressure identification method.The pressure sensing device comprises a pressure bearing assembly and a sensing assembly, the pressure bearing assembly comprises an upper flange, a lower flange and a web, and the web is fixed to the upper flange and the lower flange to enable the whole pressure bearing assembly to be of an I-beam structure; the sensing assembly is fixed to the upper flange and / or the lower flange and responds to the pressed pressure on the upper flange and / or the lower flange. By means of the arrangement, multi-dimensional pressure information can be accurately recognized, more and richer interaction experience is provided, meanwhile, the overall reliability of the structure is high, adaptability is high, and the system can be widely applied to the advanced manufacturing field such as industrial medical treatment or aerospace.

The utility model relates to the technical field of roller coasters, in particular to an indoor simulation roller coaster motion platform which comprises an I-shaped beam, a sliding hanging bracket, a rotary top seat, a telescopic connecting piece and a cabin, the I-shaped beam is erected indoors, and the sliding hanging bracket is installed on the I-shaped beam in a limited mode and can slide in the length direction of the I-shaped beam. The bottom end of the sliding hanging bracket is fixedly installed at the top end of the rotary top seat, the top ends of three telescopic connecting pieces are evenly installed at the positions, close to the edge of the outer side end, of the bottom end of the rotary top seat, and the bottom ends of the three telescopic connecting pieces are evenly and fixedly installed at the top end of the cabin. The cockpit is located above the indoor ground, the distance between the bottom end of the cockpit and the ground is not larger than 1 meter, the cockpit is driven by the rotary top base to rotate by 360 degrees, lifting, forward tilting, backward tilting or side tilting of the cockpit are achieved through cooperation of the three telescopic connecting pieces, and the roller coaster motion platform is good in safety and low in manufacturing and operating cost.

The utility model relates to concrete beam bearing detection technical field field discloses a kind of prestressed concrete low T beam bearing capacity detection devices, including the hydraulic cylinder of pressure exertion, and the T beam bearing frame of low T beam sample piece placement;The piston end of hydraulic cylinder is equipped with the detection mechanism located above T beam bearing frame;Detection mechanism includes several pressure exertion components to low T beam pressure exertion, and the connecting component connected between hydraulic cylinder and pressure exertion component;Connecting component includes I beam, and the support piece of I beam structure rigidity is arranged on I beam and is promoted, two sliding grooves are set up in I beam outside;Pressure exertion component includes pressure exertion piece, and two sliding pieces are arranged on the top of pressure exertion piece, and sliding piece slidingly connects in same side sliding groove;Pressure exertion piece top and I beam bottom abut.The utility model, can be according to actual demand to increase or reduce pressure point, improve the practicability of detection device.