52results about How to "Uniform bearing capacity" patented technology

The invention provides a concrete solid pile body, belongs to the technical field of building, and solves the problems of conventional pile bodies all have insufficient bearing strength and poor tension stability, and raw materials are lack of activity and self-hardening property. The concrete solid pile body comprises a steel reinforcement cage as a central skeleton and a concrete entity poured in the steel reinforcement cage; the concrete entity comprises cement, gravels, slag, sand, high-calcium fly ash and low-calcium fly ash, the content proportion of the high-calcium fly ash is 25%-40%, the calcium content in the high-calcium fly ash is 10%-15%, the content proportion of the low-calcium fly ash is 10%-40% that of the high-calcium fly ash, and the calcium content in the low-calcium fly ash is 1%-5%. In a whole base pile manufacturing process, a number of process control indexes can be achieved, and the compressive strength and the tension stability of base piles are enhanced with utilization of characteristics of the high-calcium fly ash; and with utilization of the ability of the low-calcium fly ash to inhibit AAR, the concrete harm caused by an alkali aggregate reaction can be eliminated.

The invention discloses a negative-pressure three-dimensional flow-guiding disturbance impact solidification dredger filling method. The negative-pressure three-dimensional flow-guiding disturbance impact solidification dredger filling method mainly comprises the steps that a dredger fill area is cleaned and flattened; a ditch is horizontally formed in the dredger area or a horizontal water seepage pipe is arranged by inclining by 0.5-5 degrees, and backfilling is conducted through medium and rough sand-gravel aggregate; a dam and a drainage canal are constructed on the periphery of the dredger fill area, and a water diversion pipe and an automatic-flowing drainage pipe are pre-buried; a dredger fill pipeline is led into the dredger fill area in the dam; slurry is guided into the surface layer of the dredger fill area and underground water is guided into the drainage canal after silt deposits; a water suction pump is connected to the outer port of the drainage pipe, and then forced drainage is conducted. Meanwhile, the invention creatively provides a suspension controllable dredger fill area drainage device, a movable multifunctional integrated well tube draining and vibrating-flushing device and technologies matched with the suspension controllable dredger fill area drainage device and the movable multifunctional integrated well tube draining and vibrating-flushing device. Compared with the prior art, the reinforcing period can be shorted by about 50% and the comprehensive unit cost can be reduced by about 45% under the same condition, and the bearing capacity of a fill stratum within the overall depth range can reach 60-80 kPa after treatment.

The invention provides a multi-spoke movable wheel hub and belongs to the technical field of automobile manufacturing. The multi-spoke movable wheel hub solves the technical problem of stress non-uniformity of existing wheel hubs. The m multi-spoke movable wheel hub comprises a drum-shaped wheel rim, the outside of the wheel rim is fixedly provided with a spoke I, the inside of the wheel rim is provided with a detachable spoke II, the middle of the spoke II is provided with a through hole, the spoke II comprises a section I and a section II which are in central symmetry, both the section I andthe section II are in a semicircular shape, and the two sections are oppositely connected to form the entire spoke II; the position close of the inner wall of the wheel rim, which is close to the inner edge of the wheel rim, is provided with a ring-shaped stepping surface, and the spoke II is embedded inside the wheel rim and abuts against the stepping surface; the positions of the spoke I, whichare close to the outer circumferential surface of the spoke I, are provided with mounting holes I, the positions of the spoke II, which are close to the outer circumferential surface of the spoke II,are provided with mounting holes II, the mounting holes I and the mounting holes II are in one-to-one correspondence, and fastening bolts are inserted into the mounting holes I and the mounting holesII. According to the multi-spoke movable wheel hub, the left and the right of the wheel rim are provided with the spokes, so that force born by the wheel hub can be uniformly dispersed, and the support strength and the safety and comfort performance of the multi-spoke movable wheel hub can be improved.

A direct driving (outer engaging) gear speed reducer, only adjusting the diameter ratio of two gears, various transmission ratio from tens to tens of thousands, in any transmission ratio, every gear driving output axle in minimum friction coefficient all the time, the loaded force in each gear is uniform by driving planetary gear set in accurate position. Said invention also can be used as speed increaser with increased bearing ability, simple structure, small volume and light weight.

The invention provides an operation platform for drilling pile movable construction. The operation platform comprises supporting beams, a standing platform/standing platforms arranged at one ends or two ends of the supporting beams, a cover plate arranged on the supporting beams and a discharging hole formed in the cover plate. The cover plate is jointed to the supporting beams through a joint mechanism and is made of an iron plate with the thickness of 6-14 cm. A guide pipe is fixed when lowered so that a next guide pipe can be conveniently connected; a platform on a drilling cast-in-place pile machine is replaced, the shaping standardization level of the operation platform is high, materials commonly used in a construction field are fully utilized, the requirements for easy manufacturing, convenient operation and implementation, firmness, durability and circular use are met, and the effects of standardization, canalization, resource saving and convenient wide application and popularization are achieved.

The invention provides a concrete solid pile, belonging to the technical field of buildings. The concrete solid pile solves the problems that an existing pile body has insufficient bearing strength, poor tension stability, lack of activity and self-hardening property in raw materials, incapability of realizing multiple process regulation and control indexes in manufacturing processes and the like. The concrete solid pile comprises a steel bar cage as a middle framework and a concrete solid poured onto the steel bar cage, wherein the concrete solid comprises cement, gravel, slag, sand and high-calcium fly ash, the content by specific weight of high-calcium fly ash is 30%-45%, and the calcium content in high-calcium fly ash is 10%-15%. According to the concrete solid pile, high-calcium fly ash and a corresponding modifier are added in the traditional component formula and are subjected to specific weight adjustment again, so that multiple process regulation and control indexes can be realized in the manufacturing processes of a whole base pile, the compressive strength and tension stability of the whole base pile are effectively strengthened by utilizing the characteristics of high-calcium fly ash, and the concrete solid pile further has the characteristics of activity of volcanic ash, small fineness, small weight of screen residue and the like.

The invention discloses a batch continuous seed coating machine with the function of seed coating agent premixing, comprising a seed coating agent premixing device, a metering hopper, a two-way feeding funnel, a coating chamber, a coating frame and a discharge port; The seed coating agent premixing device transports the formulated seed coating agent to the coating room through pipelines, and the coating room is fixed on the coating frame; a two-way feeding funnel is arranged above the coating room; A bidirectional feeding funnel is installed above the coating chamber; a metering hopper is installed above the bidirectional feeding funnel; a feeding hopper is arranged above the metering hopper; a discharge port is arranged on one side of the coating chamber. The invention also discloses a batch continuous coating control method with the premixing function of the seed coating agent. The present invention is a batch continuous seed coating machine with a seed coating agent premixing device, which is simple in structure, practical and convenient, realizes simultaneous delivery of seeds and agents, synchronous contact and full mixing, and precisely controls the uniformity of feeding and drug supply , The seed coating film is uniform.

The invention relates to a shearing force groove structure for underwater concrete bottom sealing and a construction method of the shearing force groove structure. The shearing force groove structurecomprises a foundation pit excavated on the ground, an enclosure structure is arranged around the foundation pit in a surrounding manner, and the shearing force groove structure further comprises steel angle pairs, transition plates and pre-buried flushing pipes, wherein the steel angle pairs are arranged on the inner side of the enclosure structure at intervals and in a surrounding mode, and thetwo steel angles in each steel angle pair are arranged oppositely at intervals; two rows of anchoring steel bars corresponding to the steel angles are embedded in the enclosure structure in an up-and-down interval mode, and the ends, close to the steel angle pairs, of the anchoring steel bars extend out of the enclosure structure and then are fixedly connected with the corresponding steel angles;each transition plate is arranged between the two steel angles in each steel angle pair, the pre-buried flushing pipes are arranged in the enclosure structure, and a plurality of water outlet holes are formed in the positions, corresponding to the steel angle pairs, of the pre-buried flushing pipes and the holes face the transition plates. According to the shearing force groove structure, reliableconnection between the bottom sealing concrete and the enclosure structure is achieved, the water tightness of the bottom sealing concrete is guaranteed, and huge water pressure at the bottom of thepit can be borne.

The invention discloses a tilting-pad thrust bearing supported through an elastic disc. The tilting-pad thrust bearing is mainly composed of a thrust disc (1), a tilting material layer (2), the elastic disc (3) and a copper ring (4). The copper ring (4) is bonded to the lower surface of the elastic disc (3) and has the functions of supporting the elastic disc (3) and improving the strength of the elastic disc (3). The tilting material layer (2) is bonded to bosses (5) of the elastic disc and used for bearing axial thrust from the thrust disc (1). The tilting-pad thrust bearing has the beneficial effects of being simple in structure, convenient to machine and the like; the integral machining manner is adopted in the elastic disc, and it can be guaranteed that tiles have high planeness; and according to the thrust bearing, the character of deformation coordination of elastic materials is ingeniously utilized, and the thrust bearing has outstanding performance in the aspects of vibration reducing, noise lowering, tile load equalizing, lubricating and the like.

The invention discloses an expansion deformation connecting device and a processing method thereof. The device comprises a horizontal supporting piece and multiple vertical supporting pieces perpendicularly arranged on the horizontal supporting piece. The vertical supporting pieces comprise the movable end vertical supporting piece, the fixed end vertical supporting piece and the movable middle vertical supporting pieces, wherein the movable end vertical supporting piece and the fixed end vertical supporting piece are located at the two ends of the horizontal supporting piece separately, and the movable middle vertical supporting pieces are located in the middle; and the movable end vertical supporting piece and the movable middle vertical supporting pieces can transversely slide on the horizontal supporting piece, the fixed end vertical supporting piece and the horizontal supporting piece are fixedly connected at the end, and elastic stuffing is arranged between every two adjacent vertical supporting pieces. The purpose of even expansion deformation between connected objects is effectively achieved, meanwhile, certain vertical even bearing capacity is achieved, and the problem that gap stuffing is compressed to bulge or stretched to collapse in a traditional gap filling method is solved.

The invention discloses a handball convenient to insert and extract. The handball comprises a clamping sleeve, a handle arranged in the clamping sleeve in a sleeving manner, and an end cover fixed to the upper end of the handle through a fastener, wherein the upper end of the handle is provided with a first ring-shaped clamping slot; the position, which corresponds to the first ring-shaped clamping slot, of the clamping sleeve is provided with a limiting baffle block which is protruded out of the side wall of the clamping sleeve; a ring-shaped bump part which is protruded out of the side wall of the handle is arranged on the middle part of the handle; and the position, which corresponds to the ring-shaped bump part, of the clamping sleeve is provided with a second ring-shaped clamping slot which is sunken into the side wall of the clamping sleeve. According to the handball, a three-section fixing mode is adopted for decomposing force which must be originally borne by one section of a buckle, so that the handball is more uniformly in stress, and is stable; by decomposing, the clamping amount of each buckle can be reduced, so that the assembly force is reduced, and therefore, the handball can be operated by virtue of a simple tool; besides, an oiling process is avoided.

Provided are an equipment fabricated beam foundation and a construction method thereof. A bottom plate layer, a connecting beam layer and an abutment layer are sequentially arranged from bottom to top. Each layer of component is assembled and spliced on site through a modular component. The bottom plate layer is formed by sequentially splicing a modular straight beam bottom plate and a joint beambottom plate block by block. Straight beam bottom plates and joint beam bottom plates are connected with beams through vertically through bolt holes, the horizontal degree of the beams is adjusted, the lower portions of corner beam sections are connected with the joint beam bottom plates, and the lower portions of straight beams are connected with straight beam bottom plates. Abutments are arranged above corner beam sections and fixedly connected with the corner beam sections below the abutments, and are used for containing equipment. A brand-new equipment foundation construction manner is provided, so that construction of the equipment foundation is very fast, safe, stable and extremely small in differential settlement, full-modular and on-site fabricated type dry construction can be achieved, and the construction cost is greatly reduced.

A multi-strain single-pillar tree chair modeling method belongs to the field of forestry. The trunks of the multi-strain tree species with a height of 25-35cm and strong flexibility are attached to each other to form tree chair legs, and the trunks of the multi-strains are bent forward to 35-35cm. Then bend back at 45cm, the base of the tree chair is bent back to 35‑‑45cm, and bent upwards at 75‑105°, the height of the armrest is greater than the height of the base, and the trunk of the armrest is connected with the trunk of the adjacent base to form a backrest At the edge, the trunks of the trees gather at the central position of the upper edge of the backrest and grow vertically upwards, using the canopy bracket to form the canopy. The tree chair structure of the present invention is conducive to the rest of pedestrians, the leisure of tourists, and the tryst of lovers, and can increase the number of cities and parks. The strange scenery of places such as scenic spots and scenic spots will bring green ecology to the environment, which will help purify the air, beautify the environment, and benefit the health of residents.

The invention discloses a device and method for enhancing the stability of a steel casing during pore-forming construction. The device comprises the steel casing. A plurality of grouting guide pipes used for filling cement slurry to a soil mass are welded to the outer sidewall of the steel casing. Each grouting guide pipe is provided with a plurality of slurry delivery holes at different heights.The device further comprises a plurality of slurry delivery branch pipes used for communicating with upper ports of the grouting guide pipes. Each grouting guide pipe is provided with a pressure sensor used for measuring the stress of the bottom of the grouting guide pipe. The device further comprises a plurality of pay-off length adjustable rope sheaves in one-to-one correspondence with the grouting guide pipes. A steel wire rope is led out from each rope sheave, and the tail end of the steel wire rope is provided with an end cap used for falling into the corresponding grouting guide pipe tocontrol the grouting height of the grouting guide pipe. The key of the method is to set the pay-off lengths of the rope sheaves in a compensatory mode according to reading numbers of the pressure sensors of the grouting guide pipes to obtain different reinforcement height. Through the device and method for enhancing the stability of the steel casing during pore-forming construction, the steel casing can be protected against transverse and vertical displacement.

The invention relates to the technical field of washing machines, in particular to a clothing handling device. The clothing handling device comprises a box and bottom feet, the box is internally provided with a washing cylinder and a motor, the bottom feet are arranged on the bottom surface of the box, the two linearly-arranged bottom feet are arranged on the side close to the bottom surface of the box, a bottom foot is arranged on the other side opposite to the side close to the bottom surface of the box, all the bottom feet and ground contact points are located on the same plane, and thus the clothing handling device is stably placed on the ground through the bottom feet located on the same plane. The clothing handling device provided by the invention is provided with the three or more bottom feet which are sequentially connected and arranged into a triangle, the process required by leveling is reduced, and the clothing handling device can be stably placed on the ground through simple adjustment.