679 results about "Column structure" patented technology

The invention discloses a CT scanning patient supporting framework, device and method based on vertical and horizontal dual-purpose adaptation, and relates to the technical field of CT equipment. The direction adjusting supporting structure is arranged on the bottom supporting base structure in a controllable positioning type through connection mode; the two groups of horizontal driving structures are respectively assembled at the top and bottom of the lifting upright post structure; the supporting assembly structure is in transmission assembly connection with the lead screw assembly; and the positioning assembly is arranged on the supporting assembly structure and is connected with the control module through a circuit. The problem that in the prior art, a CT scanning device is poor in adaptability corresponding to different vertical and horizontal states is solved.

The present application relates to the field of medical devices, and provides a back plate adjustable exoskeleton, comprising: a column structure and a control module, the column structure is slidably connected with a back plate mechanism, and a lower limb exoskeleton connected with the back plate mechanism, and the back plate mechanism is provided with a back plate which can move up and down relative to the back plate mechanism; further comprising: a binding device arranged on the lower limb exoskeleton and a foot bottom exoskeleton, the foot bottom exoskeleton is provided with a pressure sensor. When the human body wears the exoskeleton and changes from a sitting posture to a standing posture, the back plate mechanism adjusts the back plate mechanism along the column structure to the height matched with the user according to different body shapes of the user; and when the user changes the posture in the walking process in the standing posture, the foot bottom exoskeleton detects the change of the foot bottom pressure, so that the control module can control the up and down movement of the back plate relative to the back plate mechanism according to the foot bottom pressure to adjust the human body posture.

The invention discloses a prefabricated welded water-stop steel plate column stirrup column penetrating structure, tool and construction method, and the construction method comprises the following operation steps: step 1, taking a section of water-stop belt steel plate as a column inner plate water-stop belt, and preparing a prefabricated welded water-stop steel plate column stirrup column penetrating tool, the prefabricated welded water stop steel plate column stirrup column penetrating tool comprises a fixing tool and a clamping tool, and a column inner plate water stop belt is fixed to the fixing tool; the invention relates to the technical field of water stop steel plate column penetrating construction, and has the beneficial effects that a column inner plate water stop belt and a multi-bend column stirrup are pre-welded and spliced in a factory through the prefabricated welding water stop steel plate column stirrup column penetrating tool to form a prefabricated assembly; during construction, only the prefabricated assembly needs to be directly sleeved with the longitudinal rib and bound, operation is easy, the construction efficiency is improved, the construction period is shortened, a large amount of welding work does not need to be conducted on a building site, and the safety coefficient is increased.

The application provides a high-speed silk falling and paper tube mounting device, which comprises a lifting box assembly, a main body support frame assembly, a lifting assembly and a moving assembly; the upper end of the main body support frame assembly is a beam structure, the side is a column structure, the moving assembly is rotationally arranged on the beam structure, and the lifting box assembly is slidably connected with the column structure through the lifting assembly; the lifting box assembly has two states, when the lifting box assembly is on the upper side, the moving assembly moves, when the work station is reached, the lifting box assembly moves to the lower side, and the mounting and dismounting of the silk cake or the paper tube are completed. The operation of mounting the paper tube and taking the silk cake can be automatically and efficiently realized, the automation and efficiency of the silk falling and paper tube mounting are improved, and the construction of an intelligent workshop is realized.

The invention discloses a hydraulic engineering image-oriented table structure intelligent extraction method and system. The method comprises the steps that a hydraulic engineering image is acquired and preprocessed; inputting the preprocessed hydraulic engineering image into the improved HAWP model to obtain predicted candidate line segments; performing clustering operation on the candidate line segments to obtain a preliminary table framework line segment set; performing secondary screening on the line segments excluded in the clustering process, then adding the line segments into the preliminary table frame line segment set again, and performing operations of combining broken line segments and eliminating redundant and isolated line segments to obtain an updated table line segment set; determining an external boundary of the table, analyzing a row-column structure and row-height-column-width distribution in the table, identifying and merging a cell region, and generating a complete table structure model; intersection points of all horizontal lines and vertical lines are calculated, a cell coordinate system is established, the complete table structure model is converted into two-dimensional matrix data, and a row-column network model is generated. According to the invention, the precision and robustness of table structure extraction can be improved.

To provide a column structure capable of suppressing damage when receiving a horizontal load.SOLUTION: A column structure includes a column body supporting a load in a vertical direction, and a side plate attached to at least a part of a side surface of the column body and divided into two or more divided plates in a vertical direction.SELECTED DRAWING: Figure 1

The invention relates to the field of medical apparatus and instruments, and provides an exoskeleton with an adjustable backboard, the exoskeleton comprises a column structure and a control module, the column structure is slidably connected with a backboard mechanism and a lower limb exoskeleton connected with the backboard mechanism, and the backboard mechanism is provided with a backboard capable of moving up and down relative to the backboard mechanism; the binding device and the plantar exoskeleton are arranged on the lower limb exoskeleton, and the plantar exoskeleton is provided with a pressure sensor. When a human body wears the exoskeleton and is changed into a standing posture from a sitting posture, the back plate mechanism is adjusted upwards to the height matched with a user along the stand column structure according to different body types of the user; when the user walks in the standing posture state, the posture of the human body changes, at the moment, the plantar exoskeleton detects the change of plantar pressure, and the control module can control the back plate to move up and down relative to the back plate mechanism according to the plantar pressure so as to adjust the posture of the human body.

The invention relates to the field of machine tool stand column optimization, and provides a multi-target topological optimization method, device, equipment and medium for a machine tool stand column structure, and the method comprises the steps: carrying out the internal filling processing and target feature deletion processing of a three-dimensional structure of a machine tool stand column, and obtaining a target three-dimensional model; analyzing the target three-dimensional model to obtain column guide rail deformation information and column multi-order frequency; determining an optimization strategy based on the optimization constraint and the optimization target; the optimization constraint comprises upright post mass, upright post guide rail deformation information and upright post multi-order frequency; the optimization target is the total flexibility of the vertical column under multiple working conditions; based on the optimization strategy, reconstruction optimization is carried out on rib plates in the stand column at the positions of the bearing rib plates; the position of the bearing rib plate is determined based on an optimization area in the stand column. According to the method, through multi-target collaborative optimization of the machine tool stand column, the adaptability of the optimized stand column in actual use is improved.

The invention discloses a hydraulic ball centralizer and a drilling and grinding method for a cement plug in a casing pipe, specifically, a drilling and grinding tool is always centered in the rotating process through the hydraulic ball centralizer, and the situation that when the drilling and grinding tool deviates in a shaft, a window opening accident is easily caused on the casing pipe is avoided; meanwhile, a scrap returning channel is arranged on the hydraulic ball centralizer, and scrap blocking accumulated in the drilling process is eliminated, so that the drilling speed is increased, and the purpose of improving the drilling and grinding construction efficiency is achieved; in addition, by optimizing a construction pipe column structure, selecting and matching a drill collar and the like to increase a counter weight, the problems that drilling footage is slow due to the fact that drilling pressure cannot be applied when a cement plug is shallow, and a tool is blocked by chippings in the drilling and grinding process are solved; the drilling and grinding method is an optimized technological method, efficient and low-damage drilling and grinding of the cement plug of the long well section in the large cased well pipe of the gas storage are achieved, and therefore experience and a method for treating the well are provided for an oil field.

A floatable foundation (100) for a wind turbine generator and / or electrical equipment (61), the foundation (100) comprising: a central column structure (10,11,12); at least three outer column members (20,21,22) disposed about the central column structure (10,11,12); at least three horizontally extending lower connection members, such as pontoon members (30,31,32), each horizontally extending lower connection member fixed to and extending between the central column structure (10,11,12) and a respective one of the at least three outer column members (20,21,22); and three horizontally extending upper connection members, such as beam members (40,41,42), each horizontally extending upper connection member fixed to and extending between the central column structure (10,11,12) and a respective one of the at least three outer column members (20,21,22), wherein each column member (20,21,22) comprises a ballast tank (81) configured for holding water ballast and the ballast tank (81) vertically spans a design waterline (91) of the respective column member (20,21,22).

The utility model provides clothes treatment equipment, and relates to the technical field of household appliances, the clothes treatment equipment comprises a box body, and a cylinder assembly and a motor arranged in the box body; the cylinder assembly comprises an outer cylinder, an inner cylinder rotationally arranged in the outer cylinder and a motor used for driving the inner cylinder to rotate. The clothes treating equipment further comprises a connecting assembly used for connecting the motor and the outer cylinder. The connecting assembly comprises a supporting arm arranged on a shell of the motor, a first connecting part arranged on the supporting arm and a second connecting part arranged on the outer cylinder. One of the first connecting part and the second connecting part is of a cylinder structure, the other one is of a cavity structure, and the first connecting part and the second connecting part are matched in an inserted mode; the connecting assembly further comprises an anti-vibration pad, and the anti-vibration pad is provided with an insertion hole matched with the column structure. The damping pad is further provided with a buffering cavity, and the buffering cavity is not located in the area, in the height direction of the box body, of the inserting hole. By the adoption of the technical scheme, the damping effect of the damping pad is improved, and the stability of the clothes processing equipment in the working process is improved.

The application provides a pipeline intelligent hoisting device and method based on accurate orientation regulation, and relates to the technical field of municipal pipeline construction. The device comprises a hoisting frame, the bottom corners of the hoisting frame are provided with support column structures, four groups of hydraulic support rods are fixedly arranged on the bottom sides of the hoisting frame, the telescopic ends of the hydraulic support rods are rotatably provided with H-shaped wheels, two groups of L-shaped beam frames are fixedly arranged on the top of the hoisting frame, and the middle part of the L-shaped beam frame is slidably provided with a sliding seat in cooperation with a guide rail. The application is provided with a sliding seat, which provides stable movement control function, can move the pipeline to the delivery position according to the need, and can adjust according to the installation condition of the pipeline. According to the angle requirement, the extension range of different hoisting cables can be controlled to adjust the horizontal angle of the gripper, thereby realizing the adjustment of the laying angle of the pipeline, and solving the problem of inconvenient stable control of the existing hoisting device.

The invention discloses a split combined type light hydraulic support device, which relates to the technical field of hydraulic supports, and comprises a left hydraulic support mechanism and a right hydraulic support mechanism which are symmetrically arranged and completely identical in structure and are connected through a connecting assembly; the two stand column structures are installed on the left hydraulic supporting mechanism and the right hydraulic supporting mechanism respectively, used for independently controlling the left hydraulic supporting mechanism or the right hydraulic supporting mechanism to ascend and descend to support the top plate and composed of cylinder barrels and lifting columns. The device has the beneficial effects that the device is composed of the two parts which are symmetrical left and right, the device can be conveniently disassembled into the two parts under a mine, the size is small, the weight is light, carrying is convenient, the two parts are connected into a whole in the using process, and the functions of supporting a top plate, pushing and sliding, pulling a frame and the like can be achieved; and the rear ends of the base plates are connected through the connecting base, and it can be guaranteed that the two bases are pulled synchronously.

The utility model discloses a stand column structure for a double-sided treadmill. Comprising a stand column unit which is rotationally connected to a treadmill rack and has a first state of being unfolded to the position above a first face of the treadmill and a second state of being unfolded to the position above a second face of the treadmill; the positioning unit is used for positioning the stand column unit on the treadmill rack when the stand column unit is in the first state and / or the second state. The stand column unit can be easily switched between the first face and the second face of the treadmill, disassembly and reinstallation are not needed, the operation process of a user is greatly simplified, and use convenience is improved.

The invention discloses a parallel counter-rotating double-screw structure for gunpowder processing, which is composed of two screws which are arranged in parallel and have opposite thread directions, and the thread arrangement structures of the two screws are consistent; each screw sequentially comprises a screw head, a feeding section, a mixing and shearing section, an exhaust section and a metering section from front to back, the depths of screw grooves of all threaded sections are consistent, the screw head is of a conical structure, the length of the screw head is 0.5 times of the diameter of the screw, the length of the feeding section is 4-6 times of the diameter of the screw, and the metering section is of a conical structure. The mixing shearing section is composed of a front shearing section and a rear shearing section with different screw pitches, the total length of the mixing shearing section is 4-7 times of the diameter of the screw rod, the length of the exhaust section is 2-4 times of the diameter of the screw rod, and the length of the metering section is 3-5 times of the diameter of the screw rod. According to the parallel counter-rotating double-screw structure, stable conveying, efficient mixing and extrusion forming of high-viscosity and high-solid-content gunpowder are achieved.

The utility model relates to the technical field of railway building components, in particular to a tree-shaped beam column structure for a railway station canopy, which comprises a support rod, the upper part of the left end and the upper part of the right end of the support rod are fixedly connected with fixing frames, and the lower end of the support rod is fixedly connected with a fixing plate. A drainage channel is formed in the middle of the upper end of the supporting rod and the middle of the upper end of the fixing plate, and a plurality of fixing holes are formed in the upper end of the fixing plate. According to the tree-shaped beam column structure for the rain shed of the railway station, due to the fact that the two fixing frames are arranged, when the tree-shaped beam column structure is used for installing and using the rain shed, the three supporting plates in the fixing frames can absorb and weaken wind vibration generated by the rain shed, the damping effect can be achieved, and the situation that the rain shed is damaged in the strong wind weather is avoided. The rain shed is damaged due to the wind vibration effect, the drainage channel is formed in the upper end of the device, when the device is used, rainwater falling on the rain shed slides to the upper portion of the supporting rod and flows away through the drainage channel, and it is avoided that the rainwater is retained on the upper portion of the device to cause corrosion of the device.

The present application belongs to the technical field of concrete beam-column structure, and specifically relates to a beam-column structure with locally internally arranged thin-walled steel pipes and a mounting method thereof. By reasonably arranging the internally arranged steel pipes and steel bars, the effects of reducing the self weight and improving the bearing capacity of the structure are achieved. The application of the steel pipes not only enhances the bending and shearing resistance of the concrete components, but also effectively delays the generation and expansion of cracks. In addition, due to the high strength and rigidity of the steel pipes, the structure can still remain stable under high load conditions, and is particularly suitable for occasions requiring high bearing capacity, such as bridges and buildings. A new design method of internally arranged steel pipe concrete is proposed by fully considering the stress characteristics of the beam-column components. Through detailed analysis of the structural details and working principles, professional technicians can implement the present application according to the description, so as to effectively improve the safety and economy of the engineering structure. The present application is used for improving the shearing, bending and overall stability of the structure.

The utility model relates to the technical field of clamp, provide a kind of stable efficient single station clamp quick-change mechanism, comprising: bottom plate, the top of the bottom plate both sides are movably connected with support plate, further comprising: two movable rods, are fixedly installed in the top of the support plate, the outer surface of two movable rods is movably sleeved with connecting piece;Two rectangular clamps, are fixedly installed in the opposite side of two connecting pieces, the utility model, when using, by the setting of movable rod and bolt column structure, not only make personnel only need to pull bolt column upwards, make it separate from bolt slot, again push rectangular clamp and rotate to suitable position, can realize the switching of clamp, greatly reduce the complexity and time consumption of manual operation, simultaneously, the cooperation of bolt column and bolt slot ensures that clamp can be firmly fixed in correct position after replacement, avoids the risk that clamp loosens or deviates, guarantees the stability and security of processing.

The invention relates to the technical field of building construction, and provides an existing building column structure reinforcing construction method which comprises the steps that a rough surface is manufactured on a concrete bonding surface of an original concrete column structure layer; positioning and determining a steel bar planting hole site on the original concrete column structure, drilling, and then cleaning and checking the hole; chemical steel bar planting glue is poured into the holes, and the chemical steel bar planting glue comprises vertical steel bar planting and horizontal steel bar planting; binding and fixing the main reinforcements subjected to vertical bar planting through stirrups; a formwork is reinforced after main reinforcements are bound and fixed, then a hole is formed in a building floor on the top of an original concrete column structure, back-jacking is conducted on the bottom of the holed part of the building floor through a supporting structure, concrete is poured to increase the size of the original concrete column structure after back-jacking is completed, then formwork removal and maintenance are conducted, and reinforcement of the original concrete column structure is completed. The technical problems that cooperative work efficiency of new and old materials is insufficient, a weak layer is easily formed at the junction, reinforcement construction is uncontrollable and the like can be solved, and on-site construction safety and construction quality can be guaranteed.

The present application provides a kind of hole class parts flexible fixed paint spraying tray, belong to the technical field of aircraft hole class parts paint spraying fixed.This paint spraying tray includes rectangular tray frame, and the inside of two long sides of tray frame is equipped with several U-shaped support, for placing and fixing rotating crossbeam, rotating crossbeam is cubic column structure, and its upper sleeve has annular foam, and multiple rotating crossbeams are fixed in tray frame by U-shaped support, and the part is placed on the paint spraying tray, and the part is fixed on annular foam by pressing nail through the hole position of part, to realize the flexible fixing of part, when the surface paint layer of annular foam is covered more seriously, and the pressing nail operation is more laborious, by rotating rotating crossbeam, the upper surface of annular foam is quickly updated.The present application utilizes the hole position of part itself, and quickly fixes the position of part by simple operation, avoids using adhesive tape to fix part, reduces the fixing time of part, reduces production cost, improves product quality, improves production efficiency.

The application provides an exoskeleton steel wire pressurizing type diamond anvil cell device, and belongs to the field of high-pressure scientific research. The upper diamond press anvil of an upper diamond mounting table is oppositely arranged with the lower diamond press anvil of a lower diamond mounting table. One end of a pressurizing steel wire is fixed to the lower part of a moving sleeve in an upper pressurizing table and is fixed through a steel wire locking screw on the side of the moving sleeve. The other end of the pressurizing steel wire is fixed in a fixed hole of a lower pressurizing table and is fixed through a pressurizing steel wire locking screw on the side of the lower pressurizing table. The pressurizing mode of the press is changed to fine steel wire tensioning pressurizing, and the support column structure is cancelled. The diameter of the steel wire is in the millimeter level, and the imaging angle range of the press is maximally improved. The current scheme all adopts the support column structure, and the maximum imaging angle is 152°. The steel wire tensioning pressurizing mode is adopted in the application, the imaging angle exceeds 170°, and no other alternative scheme can complete the purpose of the application.

The invention discloses a cable bent tower lower tower column structure and a construction method thereof, and belongs to the technical field of bridge engineering, the cable bent tower lower tower column structure comprises a bearing platform, a tower limb assembly, a wall assembly, a lower cross beam, a steel plate and a prestressed steel cable, a lower tower limb of the tower limb assembly is provided with two limbs arranged on the bearing platform in the transverse direction of a bridge at intervals, and an upper tower limb is supported on the two limbs; the wall body assembly comprises two side walls which are transversely supported on the bearing platform along the bridge and two ends of which are connected to the inner walls of the two limbs, and a plurality of longitudinal walls which are longitudinally supported on the bearing platform along the bridge and two ends of which are connected between the two side walls; the lower cross beam is supported on the longitudinal wall, and two ends are connected to the two limbs; the steel plates are arranged on joint surfaces of the longitudinal walls and the lower cross beams; the prestressed steel beam penetrates through the lower cross beam, and the two ends of the prestressed steel beam are anchored in the two limbs. The cable bent tower lower tower column structure construction method is suitable for the cable bent tower lower tower column structure. According to the method, mutual constraint among the lower tower limb, the bearing platform and the lower cross beam can be reduced, the construction cost is reduced, and the structural anti-seismic toughness and construction controllability are improved.

An architectural fiducial structure and a construction method using the same are provided. The construction method includes: providing a first fiducial structure, wherein the fiducial structure has a first portion extending along a first direction, a second portion extending along a second direction and a precasting column structure, and wherein the first direction and the second direction forms an angle; providing a first shear wall extending along the first direction and connecting a first end of the first shear wall to the first portion of the first fiducial structure; and providing a second shear wall extending along the second direction and connecting a first end of the second shear wall to the second portion of the first fiducial structure.

The utility model discloses an anti-splashing breathing machine extension tube which comprises a sealing device. One end of the elastic element is connected with the sealing device; the sleeve is connected to the outer part of the elastic element in a sleeving manner; one end of the sleeve is connected with the sealing device; the air inlet assembly is communicated with the outer side of the sleeve; the ventilation pipeline is located in the sleeve, and the ventilation pipeline is connected with the other end of the elastic element; the one-way valve structure is arranged on the inner side wall of the end, close to the elastic element, of the ventilation pipeline and used for communicating the sealing device, the elastic element and the ventilation pipeline to form a first channel; the connector is of a cylinder structure with one end opened, a containing groove is formed in the cylinder structure, the connector is connected to the outer portion of the ventilation pipeline in a sleeving mode through the containing groove, and the end face of an opening of the connector is connected with the sleeve. By arranging the sealing device and the one-way valve structure, the situation that pollutants are splashed in the trachea intubation process can be avoided; in addition, through mutual cooperation of the air inlet assembly, the elastic element, the ventilation pipeline and the sleeve, functional adaptation and full-automatic switching in all modes can be achieved.

The invention relates to the field of building structures, and provides a bare concrete bracket column formwork reinforcing method and a supporting piece, and the reinforcing method comprises the following steps that a formwork is machined and manufactured; cleaning a working surface; measuring and setting out; keels are placed, and the formworks are supported through the keels; laying a lining plate; the formworks are laid, and joints between the formworks are aligned; cleaning the surface of the fair-faced template; brushing a water-based transparent release agent; checking template correction; binding reinforcing steel bars; checking steel bars; cleaning impurities; side plate formworks are sealed; performing reinforcement inspection; cleaning construction surface materials; pouring concrete; curing the concrete; removing the mold; wrapping a plastic film; closing the mold; and protecting finished products. The reinforcing structure has the effects of adapting to the reinforcing condition of the cow foot column structure and reducing the slurry leakage phenomenon.

The utility model relates to the technical field of magnetic shaft keys, in particular to a magnetic shaft key switch with a double-light-guide structure, which comprises a shell and a shaft core structure arranged in the shell in a lifting manner, a spring used for supporting the shaft core structure is arranged in the shell, the shaft core structure comprises a magnet, and the magnet is arranged in the shell. Light guide pieces penetrating through the shell are arranged on the two sides of the shaft core structure. According to the keyboard, the light guide pieces are arranged on the two sides of the keys in the penetrating mode, it is ensured that the key switches and the key caps on the key switches can be fully covered by lamplight, the uniformity and coordination of the lamplight are greatly improved, the lamplight effect of the keyboard is improved, and the use experience of a user is improved. Compared with a traditional single-side light guide structure, the double-light-guide-column structure remarkably enlarges the illumination range of the key, so that light is more uniform and harmonious.

The utility model discloses a kind of automobile A column reinforcing member based on lightweight design, it is related to the technical field of automobile parts, including external steel body, the inside of external steel body is equipped with main body reinforcing component, the inside of main body reinforcing component is equipped with energy-absorbing member, the side of external steel body away from the surface of main body reinforcing component is equipped with sound insulation cotton.The utility model can make the internal structure of automobile A column more stable by main body reinforcing component, reduce the deformation due to collision, protect front compartment safety, by energy-absorbing member, local shock wave can be offset, ensure that front compartment living space is not deformed, while the material density of energy-absorbing member is smaller, the overall weight of A column can be reduced, so as to reduce the weight of entire vehicle body, reach the effect of reducing fuel consumption, while external steel body is fixed together by hinge hole bolt and angle steel bolt, compared with general welding mode, when maintaining, avoid cutting A column, cause stress concentration of A column, affect the safety of overall A column structure.

The invention provides a myriameter deep well pipe column structure and a design and construction method thereof. The myriameter deep well pipe column structure comprises a well bore structure, and the well bore structure sequentially comprises a guide pipe, a technical casing, a technical tail pipe and a production casing from top to bottom; the high-strength drilling tool assembly sequentially comprises a drill rod assembly, a drill collar assembly, a drilling tool check valve and a drill bit from top to bottom; wherein the drill collar assembly comprises a plurality of conventional drill collars and non-magnetic drill collars, and centralizers are arranged between the conventional drill collars and the non-magnetic drill collars. According to the myriameter deep well pipe column structure, casing pipe layers are matched according to stratum characteristics, compared with the prior art, the casing pipe layers are reduced, and the grading pipe column structure resistant to high temperature and high pressure and high in safety redundancy is designed; and a high-strength drilling tool combination and a matched anti-failure process are developed, and the fracture risk of the drill column is reduced. According to the design method and the construction method, fine pressure control and well body quality control technologies are integrated, and safe drilling of a complex stratum is achieved; and a well cementation and well completion integrated scheme suitable for myriameter-level well depth is provided.

The present application relates to a kind of prestressed stiff beam segmented tension construction method, it relates to the technical field of construction, it includes prestressed stiff beam construction according to subarea advancement, in turn complete support formwork support setting, prestressed beam and non-prestressed beam steel banding.Deepening design stage optimization beam-column joint and stiff column structure, adjust beam-column reinforcement arrangement, avoid prestressed pipe and steel member collision, clear prestressed tendon burying and tensioning space.Prestressed construction stage embedded bellows, wear bundle and reserve grouting exhaust hole, after acceptance grouting concrete.When strength reaches standard, complete equipment calibration, quality detection and platform erection, to cantilever beam segmented tension and check elongation, implement over-tension anchoring.Tensioning in time hole grouting, seal anchor, realize prestressed tendon and concrete integrated combination, complete prestressed stiff beam forming construction.The present application can improve the construction quality of cantilever prestressed beam.