2625 results about "Support point" patented technology

The invention discloses a continuous rigid frame bridge construction monitoring method which comprises the following steps: before cantilever casting construction, arranging linear monitoring points along the longitudinal axis direction of a bridge according to the spacing of 8-12 meters, and respectively arranging stress monitoring points on a top plate and a bottom plate of the root section of each section; synchronously acquiring three-dimensional coordinate data of the linear monitoring points and real-time strain data of the stress monitoring points in the process of pouring each section in a cantilever manner; the collected linear data and stress data are input into a finite element model for collaborative analysis, and when a linear deviation value exceeds + / -5% of a designed pre-camber value and the deviation between a stress measured value and a theoretical calculation value exceeds + / -8%, an adjustment instruction is automatically generated; according to the adjusting instruction, the elevation of the front fulcrum of the hanging basket is adjusted through the hydraulic jack during construction of the next section; after initial setting of the adjusted segment concrete, linear data and stress data are collected, and the actually measured data and a finite element model prediction value are compared and verified. The method can help to guarantee the safety and durability of the continuous rigid frame bridge.

The invention relates to an optimization design method for a multi-fulcrum elastic ring supporting structure of an aero-engine rotor system, and belongs to the technical field of aero-engine vibration control and rotor dynamics simulation. Firstly, a finite element or lumped unit model is adopted to establish a coupling kinetic equation of a rotor and an elastic ring, and fluid-solid coupling factors such as inner and outer oil films of the elastic ring and orifice flow are considered; then, through critical rotating speed and vibration harmonic response analysis, sensitivity evaluation is carried out on rigidity and damping characteristics of different supporting positions, and target vibration reduction modes corresponding to all fulcrums are identified; then, coupling simulation and multi-objective optimization are carried out around the number of bosses of the elastic ring, the height of the bosses, the damping aperture, the thickness of a thin wall and other key structure parameters, and the optimal design meeting the vibration reduction requirement of a rotor system and the strength reliability requirement of the elastic ring is obtained through iteration; and finally, an optimization result is applied to structure manufacturing and assembling. The method can effectively reduce the vibration amplitude of the rotor when the rotor crosses the multi-order critical rotating speed.

The invention discloses internal and external galvanization equipment for a special pressure vessel, and belongs to the technical field of pressure vessel galvanization, the internal and external galvanization equipment for the special pressure vessel comprises a placing mechanism for galvanization of the pressure vessel, the placing mechanism comprises a bottom plate and a lifting frame, and six connecting rods are fixedly mounted on the lifting frame; each connecting rod is provided with two taking and placing mechanisms used for clamping the pressure container to be galvanized. According to the invention, through the arrangement of the multi-station synchronous operation putting-in mechanism, the automatic lifting, translation and descending of the pressure container are realized, so that the galvanizing, unloading and loading processes are continuously carried out, and the production efficiency is greatly improved; according to the pick-and-place mechanism, through alternate driving of a driving triangular wheel and a driven triangular wheel, supporting points of a clamping rod are switched in a staged mode in the galvanization process, it is guaranteed that connecting lugs of a pressure container are not fixedly shielded, and galvanization blind areas are avoided; through cooperation of the compression spring and the lower friction ring, the passive triangular wheel is kept fixed in a non-driving state, and accidental rotation is prevented.

The invention relates to a stator of an electric machine, comprising a laminated core (3) on which stator teeth (4) and stator grooves (5) are formed. The stator teeth (4) are connected via a stator yoke (7), and a conductor (9) or a conductor bundle (10) comprising a plurality of conductors (9) is arranged in each stator groove (5) in order to form a stator winding (8), wherein each of the stator grooves (5) has a groove base (5.1) and a groove slot (5.2). Each stator groove (5) is equipped with a plurality of connection points (11) for supporting the conductor (9) or conductor bundle (10) lying in the respective stator groove (5). At least one groove gap that forms a groove gap channel (14) through which a coolant can flow along a cooling path (15) is formed between the walls of each stator groove (5) and the respective conductor (9) or conductor bundle (10), and each groove gap channel (14) is at least constricted at the connection points (11), whereinthe groove slot (5.2) of each stator groove (5) is closed by a groove closure (16),a respective bypass (18) is provided in each stator groove (5) at each of the support points (11) in order to conduct the coolant past the constricted support point (11) in the groove gap channel (14), andthe bypasses (18) at the different support points (11) of the same stator groove (5) are arranged at different radial positions such that a meandering cooling path (15) is formed in the stator groove (5).

The invention relates to the technical field of bionics, in particular to a bionic crawling device which comprises a support, a driving unit and at least one pair of crawling mechanisms, and each pair of crawling mechanisms comprises two space crank structures; a phase difference exists between actions of the two space crank structures, and the tail ends of the outer sides of the two space crank structures are located at low positions in turn to bear the support; the space crank structure comprises an inner crank, a first fulcrum and an outer crank which are sequentially connected, the driving unit is used for driving the inner crank to do conical motion, the first fulcrum is rotationally connected to the support, the inner crank is arranged in the support in a translational motion mode, and the outer crank is arranged outside the support in a translational motion mode. Each pair of crawling mechanisms can be driven to act through one driving unit, the number of driving sources is small, the production and manufacturing cost is low, the space crank structure is good in working stability and small in occupied space, use of connecting rods and exposure of unnecessary parts are reduced, the bionic crawling device can be made more refined, and the service life of the bionic crawling device is prolonged. During crawling, the fluctuation range is small, and the crawling stability is good.

The invention discloses a rollover risk prediction method for an operation machine, and the method comprises the steps: determining target attitude information corresponding to the operation machine and a target rotation angle of the operation machine around a first rollover line under the condition that the operation machine is in a bucket supporting condition, the target posture information is used for representing the supporting posture of the operation machine under the bucket supporting working condition, and the first tip-over line is a connecting line between supporting points of the operation machine under the bucket supporting working condition; determining a target stability parameter corresponding to the operation machine based on the target attitude information, the target rotation angle and a preset mapping relation; the mapping relation is used for representing the relation among the rotation angle, the attitude information and the stability parameter of the operation machine; and determining the tipping risk of the operation machine according to the stability parameter. According to the invention, the tipping risk of the operation machine can be accurately determined.

The invention belongs to the technical field of bridge construction, and particularly relates to a single-point multiple-jack synchronous beam falling forced displacement method prestress applying method which comprises the steps that S1, a plurality of temporary supporting points are arranged beside a permanent support, and a self-locking type beam bearing mechanism is installed on each temporary supporting point; meanwhile, a hydraulic jack is arranged at each temporary supporting point, the multiple hydraulic jacks are connected to a PLC integrated hydraulic synchronous control system through hydraulic pipelines, and synchronous linkage mechanisms are arranged among the multiple hydraulic jacks. According to the single-point multiple-jack synchronous beam falling forced displacement method prestress applying method, when an inner jacking pipe sleeve pushes a supporting cushion block to ascend and descend, through meshing of a self-locking gear and two self-locking racks, a secondary telescopic block can be forcibly driven to move synchronously, so that continuous stretching and retracting of a bearing beam are achieved, the cushion block does not need to be manually replaced after single beam falling, and the working efficiency is improved. The system automatically adjusts the height to meet the multi-stroke circulating beam falling requirement, and the construction efficiency is improved.

The grinding machine for the metal workpiece comprises a machine body, a three-jaw chuck is connected to the position of a main shaft of the machine body, a linear guide rail is connected to the top of the machine body, and a tool base is connected to the top of the linear guide rail; a grinding mechanism is arranged at the top of the tool base, supporting mechanisms are arranged at the positions, located on the two sides of the grinding mechanism, of the top of the tool base, a shaft workpiece is inserted into supporting rings in a penetrating mode, then one end of the shaft workpiece is clamped through a three-jaw chuck, and the supporting rings are arranged on the two sides of a machining part of the grinding mechanism for supporting; the supporting ring coaxial with the three-jaw chuck can well support the shaft workpieces, so that when some long shaft workpieces are machined, the problem that the grinding depths of the surfaces of the workpieces are inconsistent due to the fact that the shaft workpieces deform and bend due to the fact that a supporting point is far away from the machining position can be solved.

The utility model provides an auxiliary device for hanging a long-distance cable. The auxiliary device comprises a rope which is fixedly connected between a fixed point I and a fixed point II, at least one auxiliary support which is supported at a fixed point III in the middle section of the rope, and a plurality of hooks which are hung on the rope and are used for hanging the cable, wherein an elastic pulley block is arranged between the hook and the rope, a shell of the elastic pulley block is a C-shaped frame with an open groove, and the open groove allows the elastic pulley block to smoothly pass through the joint of the auxiliary support and the rope in the process of sliding along the rope. And meanwhile, the supporting point does not hinder the hook to move back and forth along the rope.

The invention discloses a foundation pit safety evaluation method based on a deep horizontal displacement deformation area of a support structure, and compared with a traditional single-point displacement control method, the method adopts a parameter of a continuous deformation area, early warning can be performed through deformation area cumulative effect analysis when single-point displacement does not exceed a limit, and the safety of a foundation pit is ensured. Compared with a traditional method, the method has the advantages that the response time is advanced by 30%-50%, a key window period is reserved for engineering reinforcement, the limitation of traditional single-point control is broken through, the overall instability trend of the foundation pit is accurately recognized, and the engineering risk of local standard reaching and overall out-of-control is avoided. Meanwhile, dynamic correction and weight distribution measurement of a design threshold value and an alarm value are provided in combination with conditions such as a construction stage and geological conditions, the sensitivity of key areas (such as pit bottoms and support weak positions) can be enhanced, and the evaluation reliability in a complex scene is improved.

The invention belongs to the technical field of spraying devices, and particularly relates to the technical field of coating spraying devices for controlling spraying areas, in particular to a spraying device for an automobile trim panel and a spraying process of the spraying device. The device comprises an operation table, at least one spraying box is arranged on the upper end face of the operation table, and a sprayer is arranged in the spraying box; the conveying chain is provided with a plurality of loading tables, and matched gears are mounted on the loading tables; the rotating chain is arranged in the spraying box; a vertical rod is arranged on the loading table in the height direction; a plurality of lifting columns are uniformly arranged in the circumferential direction of the vertical rod; a plurality of push rods are evenly arranged in the matching gear in the circumferential direction, and the outer side ends of the push rods protrude out of the tooth root of the matching gear in the radial direction. By arranging the push rod and the lifting column, the workpiece can be lifted through the lifting column to spray the edge of the bottom of the workpiece while the push rod and the lifting column are matched with the gear to rotate, different supporting points are switched by switching different lifting columns, and it is ensured that the contact part of each lifting column can also be fully sprayed with paint after the workpiece is pushed by the lifting columns.

The invention discloses an anti-unbalance-loading sliding block active deviation correction method for a hydraulic machine sliding block, and the method specifically comprises the following steps: 1, unbalance loading detection: collecting displacement deviations [delta] x and [delta] y of the sliding block in X / Y directions in real time, installing a pressure sensor in a hydraulic cylinder oil path, detecting to obtain pressure data N, obtaining the pressure value of each supporting point, and calculating the deviation of the sliding block in the X / Y direction; calculating an offset center distance e and an offset load moment M according to the pressure data; the displacement deviation delta x and the displacement deviation delta y are compared with a preset threshold value, whether deviation rectification is triggered or not is judged, and if the deviation rectification is triggered, the mapping relation between the sliding block inclination angle theta and the hydraulic cylinder pressure compensation amount delta P is established through a mechanical model. According to the anti-unbalance-load active deviation correction method for the hydraulic press sliding block, displacement, pressure and dip angle data are combined, the unbalance-load recognition precision is improved, response is fast, PID parameters are adjusted in real time according to load changes, the accuracy of the position of the sliding block under different working conditions is adapted, and high-precision deviation correction is achieved.

The invention provides a counterweight difference adjustment method for hogging moment area jacking of a special-shaped multi-girder steel-concrete composite beam, which comprises the following steps of: establishing a finite element model of the special-shaped multi-girder steel-concrete composite beam, and arranging two ends and the middle part of the special-shaped multi-girder steel-concrete composite beam on a beam column; performing jacking height simulation of different numerical values on the special-shaped multi-girder steel-concrete composite beam at the middle supporting point for many times to obtain a first bridge deck stress result at the middle supporting point; carrying out balance weight difference adjustment finite element simulation on the basis of the first bridge deck stress result, and applying a balance weight along the line type of the main beam to adjust the pre-compressive stress of the bridge deck at the middle fulcrum of the main beam so as to achieve a design target; and the concrete bridge deck is constructed on the basis of counterweight data obtained through counterweight difference adjustment finite element simulation. By establishing a finite element model and carrying out multi-group jacking height simulation and subsequent counterweight difference adjustment simulation, the stress state of the bridge deck at the middle fulcrum of each main beam under different working conditions can be accurately determined. The counter weight is applied on the basis, so that the stress nonuniformity caused by a special-shaped structure and a multi-girder system can be effectively made up, the pre-compressive stress of the bridge deck at the middle supporting point of each girder is more uniform, and the design goal is accurately achieved.

The utility model discloses an edge searching device suitable for wafers of multiple specifications, which belongs to the technical field of semiconductor processing and manufacturing, and specifically comprises a base, an edge searching rotating shaft, an edge fixing assembly, a wafer frame and an adjusting assembly, and the edge searching rotating shaft is horizontally arranged on the base and can rotate on the base; the edge positioning assembly is arranged on the base and is axially provided with the wafer rack along the edge searching rotating shaft, the wafer rack is used for bearing a vertical wafer, the straight edge of the wafer can downwards extend out of the wafer rack, and the wafer rack comprises a side plate for preventing the wafer from toppling and at least one supporting point for supporting the wafer; the adjusting assembly is used for adjusting the distance between the edge fixing assembly and the topmost element line of the cross section of the edge searching rotating shaft. According to the utility model, by arranging the adjusting assembly, the distance between the edge positioning assembly and the topmost tessellation line of the cross section of the edge searching rotating shaft can be adjusted, so that the product can be applied to wafers of positioning straight lines with different lengths in the same specification or different specifications.

To provide a manufacturing method of an electric storage device, capable of correcting an accuracy necessary surface of a sealing body within a reference value by changing a correction deformation magnitude in accordance with a wrapping displacement magnitude of the sealing body.SOLUTION: The present invention provides a manufacturing method of an electric storage device 10 having a correction step S4 of correcting a sealing body 12. The manufacturing method contains: a data base formation step S1 of having an accuracy necessary surface 12S in the sealing body, and accumulating correlation graph data SKD of a wrapping displacement magnitude Q of a front and back direction (a z-direction) of an accuracy necessary surface against a support point 12K of the sealing body and a correction deformation magnitude P in which the accuracy necessary surface is corrected and deformed to front and back opposite directions to a position where an accuracy requirement surface can be recovered to a normal position SK by own elastic force; a surface modulation measurement step S2 of measuring the wrapping displacement magnitude; and a displacement magnitude determination step S3 of determining whether the wrapping displacement magnitude satisfies a reference value KJ. In the correction step, a load is applied until the correction deformation magnitude occurs when the wrapping displacement magnitude to be measured in the surface modulation measurement step to the accuracy necessary surface in a determination rejection is matched to the wrapping displacement magnitude in the correlation graph data to be released.SELECTED DRAWING: Figure 5

The invention discloses an integrated steel formwork operation platform applied to open caisson construction. The integrated steel formwork operation platform comprises an outer formwork, an inner formwork, an outer operation platform, an inner operation platform and opposite-pull screws. The operation platform is integrated on the steel mold through bolt connection, the protective fences are arranged inside and outside the operation platform, and constructors stand on the operation platform to carry out operation such as inner and outer mold plate installation, steel bar binding and water-stop belt welding, so that the risk of safe operation is greatly reduced, and the construction efficiency is improved; the steel die assembly is fixedly connected with the well wall through split bolts, after a section of the open caisson wall is manufactured, maintenance is conducted till the designed strength is achieved, sinking is started, a lower die plate needs to be dismantled before sinking, the uppermost layer die plate is reserved to serve as a supporting point for later steel die installation, and after the steel die sinks to the preset height, the dismantled steel die is horizontally moved and installed to the position above the upper layer die plate. The lower section of well wall can be manufactured; repeated erection and disassembly of the scaffold in the construction process are avoided, the construction safety risk is reduced, and the construction period is shortened.

According to the pure electric underground dumper power assembly suspension structure, a dumper power assembly comprises a traction motor and a gearbox, the gearbox is connected with a dumper frame through a first suspension mechanism, and the traction motor is connected with the dumper frame through a second suspension mechanism; the first suspension mechanism comprises first frame end mounting seats fixed to the inner sides of frame edge beams on the two sides of the gearbox and a first equipment end mounting seat arranged between the first frame end mounting seats on the two sides. The second suspension mechanism comprises second equipment end mounting seats fixed to the two sides of the traction motor respectively and second frame end mounting seats fixed to the inner sides of the two frame edge beams respectively, the second equipment end mounting seats correspond to the second frame end mounting seats, and second vibration reduction assemblies are arranged between the second equipment end mounting seats and the second frame end mounting seats. The mounting seat is simple and reliable in structure, convenient to mount and high in space utilization rate; each supporting point of the power assembly is provided with an anti-vibration pad, vibration can be effectively isolated, and the torsional vibration influence of the power assembly is reduced.

An attachment cover (40) of a slider (1) is flexible enough to allow elastic deformation of the attachment cover (40) which occurs in conjuction with an increase or decrease in the interval between first and second leg sections (41, 42), so as to enable the attachment cover (40) to be snap-attached to an attachment-receiving section (5) of a slider body (10). Additionally, the attachment cover (40) has at least one contact protrusion (60) that, during a condition in which the attachment cover (40) is attached to the attachment-receiving section (5) of the slider body (10), is in contact with a tab member (30) and forms a support point for elastic deformation of the tab member (30).

The invention relates to the technical field of building material detection, in particular to a building material hardness detection device which comprises a detection box, a supporting assembly is arranged in the detection box and comprises two sliding supporting seats arranged on the bottom face in the detection box, and a lifting supporting seat is arranged between the two sliding supporting seats. And a test pressure head is arranged above the lifting support seat. The first motor drives the two-way screw rod to adjust the distance between the two sliding supporting seats, so that the device can flexibly adapt to building materials with different lengths, the distance between the two supporting points is adjustable, the detection process can strictly follow domestic and foreign standards, and when the hydraulic cylinder drives the testing pressure head to apply pressure to the materials, the detection precision is greatly improved. And a connecting rod fixed on the rear side of the test pressure head pushes a linkage frame to slide downwards along a third limiting rod, so that the whole lifting support seat is driven to move downwards synchronously and is separated from the bottom surface of the material, a three-point support mode is automatically converted into a two-point support mode, and the accuracy of detection data is improved.

The invention relates to an intelligent embroidering path optimization and execution method and system for net cap embroidering in the technical field of intelligent manufacturing, and the method comprises the steps: obtaining a supporting point coordinate from a high-curvature region, employing finite element analysis to simulate a material deformation behavior, obtaining a deformation prediction matrix, and determining the tension distribution of a flexible structure; a supporting path plan is generated and used for deployment of the fixing device; real-time compensation parameters are generated in combination with the curved surface geometric model, material displacement is monitored in the embroidering process through a feedback control mechanism, and a displacement compensation vector is obtained and used for real-time correction of the stitch direction; according to the contact stability after angle deviation data processing, a final embroidery execution sequence is generated, a synchronous driving algorithm is adopted to coordinate the movement of the fixing device and the embroidery machine, and continuous stitch output is obtained to determine that the pattern precision meets the requirement; and obtaining production log data from continuous stitch output, evaluating an overall efficiency index by adopting a data analysis method, and obtaining an optimized feedback cycle for processing and adjusting a next curved surface structure.

The utility model provides a paint spraying tool which comprises a fixing support and at least three vertical supporting pieces, the vertical supporting pieces extend in the vertical direction, the bottom ends of the vertical supporting pieces are movably connected with the fixing support, and the horizontal positions of the vertical supporting pieces relative to the fixing support are adjustable. According to the paint spraying tool, the bottom ends of the vertical supporting pieces are movably connected with the fixing support, and the horizontal positions of the vertical supporting pieces relative to the fixing support are adjustable, so that the positions of the top ends of the vertical supporting pieces can be changed relatively, and the vertical supporting pieces can be flexibly adjusted according to the positions of supporting points at the bottom of a workpiece; according to the paint spraying tool, the positions of the multiple insertion connection structures of the paint spraying tool can meet the positioning requirements of different workpieces, the universality of the paint spraying tool is improved, the number of tools needing to be configured by a production line is reduced, and then the manpower, material and storage cost needed by the paint spraying tool is reduced.

The invention relates to the technical field of automatic control, in particular to a self-adaptive balance control method and system for an automobile elevator, and the method comprises the following steps: carrying out the time stamp alignment of vibration, pressure and inclination sensors, time error correction, abnormal data elimination and effective signal screening based on the data of the automobile elevator, and obtaining a synchronous data set of the automobile elevator. According to the method, time alignment and error correction are performed on vibration, pressure and inclination sensor data, so that the data synchronism and accuracy are ensured, the stress change is accurately identified, the sensor data weight is dynamically adjusted, the calculation reasonability and adaptability are improved, the load data are extracted, the supporting point moment is analyzed, and the load trend evaluation is optimized; accurate screening of abnormal supporting points is achieved, load deviation is reduced, torque distribution of the supporting points is adjusted, lifting stability is improved, the influence of inclination on load distribution is reduced, load changes are monitored, the abnormal supporting points are corrected, and balance, safety and adaptability of the lifting machine are improved.

The invention discloses a flatness control method for large-area field concrete, and relates to the technical field of civil engineering. The laser level meter automatically searches for balance and opens horizontal rays; a handheld receiver is arranged according to the designed elevation, and supporting points of two reference elevations are set; a leveling mechanism of the laser leveling machine is placed on the two supporting points, an automatic switch is started to enable the vehicle body to be automatically leveled, the heights of leveling machine receivers at the two ends of the leveling mechanism are adjusted, and whether the elevations at the two ends of the leveling mechanism are accurate or not is tested through a handheld receiver; the concrete is unloaded to a to-be-leveled area by the mixer truck; the laser leveling machine is started, a braking mode is started, and the laser leveling machine vibrates and grinds while walking through the leveling mechanism; the method has the beneficial effects that through an intelligent and automatic mode, the flatness control precision and the operation efficiency of large-area field concrete construction are remarkably improved, manpower dependence is reduced, and the method is an important innovation of the modern building construction technology.

The invention provides an intelligent storage roadway stacking machine, and relates to the technical field of roadway stacking machines, the intelligent storage roadway stacking machine comprises a vertical sliding rod and a taking and placing assembly, the taking and placing assembly comprises a supporting frame slidably connected to the vertical sliding rod, one end of the supporting frame is fixedly connected with a transverse rod, and the two ends of the interior of the transverse rod are slidably connected with limiting sliding rods; a concave block is fixedly connected to the inner side of the limiting sliding rod, a straight rack is fixedly connected to the outer side of the concave block, a first supporting plate is fixedly connected to the interior of the straight rack, a torsion shaft is fixedly connected to the interior of the first supporting plate, auxiliary clamping blocks are rotationally connected to the two ends of the torsion shaft, and a supporting assembly is fixedly connected to the outer side of the taking and placing assembly. According to the triangular supporting structure, the geometric stability principle is utilized, loads in the vertical direction are evenly dispersed to all supporting points, deformation or shaking caused by single-point stress is reduced, transverse deviation of the supporting frame in the moving process is limited, and the strict vertical movement track of the supporting frame along the vertical sliding rod is ensured.

The invention relates to the technical field of motor shaft turning, and discloses a motor shaft production turning device which comprises a machine base, a machine shell is installed on the machine base, a turning assembly used for turning a motor shaft is arranged on the machine base, and a guide rail block is fixedly connected to the top inner wall of the machine shell. The control assembly drives the two moving arms to be matched with the conical clamping heads to be clamped in prefabricated holes in the two ends of the motor shaft, centering clamping is achieved, then the stabilizing devices on the two moving arms can achieve multi-position self-adaptive clamping and supporting of different positions of the motor shaft, center clamping is achieved when the two ends are turned, and two-end clamping is achieved when the center is turned. A machining area avoids a supporting point, rotation of the motor shaft and radial run-out in the turning process can be effectively limited, it is guaranteed that the motor shaft is machined in place at a time in the turning process, time loss and errors caused by multiple times of clamping are reduced, the machining efficiency is remarkably improved, and meanwhile the machining cost is reduced. And the dimensional precision and the coaxiality consistency of all the machining parts of the motor shaft are guaranteed.

The utility model relates to the technical field of building construction, and discloses a linear accelerator wall corner pouring slurry leakage prevention reinforcing structure which comprises a formwork, a lead screw used for supporting is inserted in the middle of the formwork, an inclined rod used for supporting is fixedly installed in the middle of the formwork, and an embedded part is fixedly installed on one side of the inclined rod. A supporting plate used for reinforcing is fixedly installed at the junction of the formworks, and a clamping hoop is fixedly installed on one side of each formwork. According to the wall corner pouring slurry-leakage-proof reinforcing structure for the linear accelerator, through cooperative arrangement of the inclined rods, the embedded parts and the supports, a three-dimensional supporting network is formed in the using process of the device, the device can keep the original position and posture in the pouring process, and through cooperative arrangement of the inclined rods and the embedded parts, the slurry leakage-proof reinforcing structure for wall corner pouring of the linear accelerator is improved. A stable connecting body is formed between the device and the ground, the possibility that the device slides or deviates due to uneven stress is reduced, and an additional supporting point is provided for the device through the arrangement of the support.

The utility model discloses an inclined column template support frame for cast-in-place of a concrete beam, which is characterized in that a vertical steel pipe upright post and an inclined steel pipe upright post are fixedly arranged on a bearing platform by utilizing bearing platform anchor bolts, and the vertical steel pipe upright post and the inclined steel pipe upright post are pulled into a whole by a horizontal pull rod along the direction of a bridge; the inclined steel pipe stand columns at the corresponding positions in the single span are connected into a whole through corner connectors and horizontal cross rods. The unloading blocks are arranged on the top faces of the vertical steel pipe stand columns and the top faces of the corner connectors respectively. A bearing beam is placed on the top face of the unloading block in the transverse bridge direction, a bailey beam is arranged on the top face of the bearing beam in the bridge direction, a distribution beam is placed on the top face of the bailey beam in the transverse bridge direction, and the batter post formwork supporting frame for concrete beam cast-in-place is formed. The bearing platform is fully used as a supporting point, the inclined steel pipe stand columns are arranged to share the upper load, a strip-shaped foundation does not need to be additionally arranged, construction cost is saved, the spanning capacity of the support is greatly improved, and the support is a preferable scheme for spanning rivers, roads and bridge sites in a large-span mode when the geological environment is poor.

The invention belongs to the technical field of connecting rod machining, and discloses a method for improving the honing machining cylindricity of a connecting rod, and the method comprises the following steps: S1, optimizing honing machining parameters; s2, a workpiece clamping mode is improved; s3, selecting an improved honing tool; s4, enhancing the control of the cooling liquid system; s5, monitoring and real-time feedback in the machining process are enhanced; s6, earlier-stage treatment of the workpiece is enhanced; and S7, adopting a dynamic compensation technology. A special flexible clamp and supporting points in reasonable layout are adopted for clamping and supporting the workpiece, the stability of the workpiece is greatly enhanced, the deformation problem in the machining process is avoided, meanwhile, a high-performance honing stone and an optimized cooling liquid system are selected, the grinding effect and the heat management capacity are further improved, and the machining efficiency is improved. By means of the method, powerful guarantee is provided for high-precision machining, by means of implementation of the comprehensive measures, the machining quality of the connecting rod is greatly improved, and the controllability and stability of the production process are remarkably enhanced.

The invention relates to the technical field of bridge construction, in particular to a hybrid beam cable-stayed bridge side span concrete main beam cast-in-place support and a dismantling construction method thereof, and the cast-in-place support comprises a side main beam supporting frame, a top plate supporting frame and a distribution structure; the distribution structure comprises a plurality of bearing main beams and a plurality of distribution beams; the plurality of sand cylinders are used for supporting the bearing main beam; the bailey beams are arranged between the bearing main beams and the distribution beams at intervals; the distribution beams support the side girder pouring formwork and the top plate supporting frame, and the top plate supporting frame supports the top plate pouring formwork. Through a multi-stage load distribution structure of the bearing main beam, the distribution beams and the sand cylinders, load distribution of supporting points is optimized, the overall stability of the support is improved, the bailey beams effectively disperse loads through a stress mechanism of trusses of the bailey beams, a rigid connection system is formed by the bailey beams and the bearing main beam, and the overall section flexural rigidity of a bearing component is improved; the method can ensure that the supporting system keeps a stable geometrical shape in the construction process.