11results about How to "Improve perfusion quality" patented technology

The concrete pouring device comprises a stirring tank, a supporting frame, a first stirring assembly and a second stirring assembly, the bottom of the stirring tank is fixed to the supporting frame, a first supporting plate and a second supporting plate are installed on the two sides of the upper end of the stirring tank respectively, and an upper support is connected between the first supporting plate and the second supporting plate in a bridging mode; the upper end part of the upper bracket is provided with a stirring motor, a motor shaft of the stirring motor is connected with one end of a rotating shaft, the other end of the rotating shaft extends into the stirring tank, the first stirring assembly and the second stirring assembly are respectively arranged on the rotating shaft, the gas adding assembly is arranged on the upper bracket, the bottom of the stirring tank is provided with a discharge port, and a discharge pipe is arranged at the discharge port. The concrete stirring device is novel in structural design and convenient to operate, concrete can be uniformly and rapidly stirred, gas in the concrete can be rapidly discharged through the arranged gas adding assembly, the pouring quality of the concrete is improved, and then the construction quality of building engineering is improved.

The utility model relates to the technical field of concrete pouring, in particular to a concrete pouring device which comprises a support, a pouring box body is arranged on one side of the support, a pouring outlet is fixedly installed on one side of the pouring box body, a pouring guide pipe is installed on one side of the pouring outlet, and the pouring outlet and the pouring guide pipe are connected through a connector. The stabilizing assembly is mounted on the outer side of the perfusion catheter, and the stabilizing assembly is used for keeping the stability of the perfusion catheter; and the supporting assembly is installed on one side of the stabilizing assembly, and the supporting assembly is used for installing the stabilizing assembly. Compared with the prior art, multi-point clamping and limiting of the concrete pouring guide pipe are achieved through the stabilizing assembly, a stable and reliable fixing structure is constructed, the guide pipe is effectively prevented from inclining, swinging or loosening due to concrete flow impact and construction vibration, it is ensured that the pouring guide pipe is kept perpendicular or at a preset angle all the time, and the construction efficiency is improved. The pouring quality and the construction safety are improved, and the good popularization value is achieved.

The invention relates to a construction method of a large-section prestressed capping beam in an elevated interval of urban rail transit, which is characterized in that a steering adjusting groove is arranged on a side supporting plate of a jig frame top beam, and an arc-shaped bottom supporting tenon is arranged on a steel bar bottom supporting plate; a stiff pouring body and a dense water pipe are arranged in the sand box inner cylinder, and a connecting vertical support is arranged between the supporting top plate and the lower row of angle braces; the reserved steel bars at the top of the bridge pier are sleeved with connecting bar hoops, and arch-shaped inner supports are arranged between the connecting bar hoops; the combined supporting system is pre-pressed through a hanging water tank and a back pressure bolt; a bottom die limiting tenon is arranged on the lower surface of the capping beam bottom die, and the verticality of the capping beam side die is adjusted through a template adjusting bolt; a reinforcement cage hanging bracket is used for hanging a bent cap reinforcement cage; the inclined material distributing pipe and the vertical material distributing pipe of the concrete pouring hopper are used for conducting concrete pouring construction on the bent cap; the axis position of the tensioning jack is adjusted by adjusting the supporting rod. The construction quality and efficiency of the bent cap can be improved, and the quality control difficulty is reduced.

The utility model relates to the technical field of die casting, and discloses a sand filling device for a die casting central casting pipe, the die casting central casting pipe comprises a pipe body and a pipe brick pouring channel, the pipe brick pouring channel is arranged in the pipe body, a river sand filling gap is defined between the inner side wall of the pipe body and the outer side wall of the pipe brick pouring channel, and the sand filling device comprises a peripheral blocking barrel, a protective cover and a positioning check ring. The peripheral blocking cylinder is provided with an upper end opening and a lower end opening; the protecting cover is arranged on the inner side of the lower end opening of the peripheral blocking cylinder and connected with the opening edge of the lower end opening, and a circulation gap is defined between the outer side edge of the protecting cover and the opening edge of the lower end opening of the peripheral blocking cylinder. The positioning check ring is arranged on the periphery of the peripheral check cylinder in a sleeving mode and located above the opening in the lower end in the vertical direction. Wherein under the condition that the lower end opening of the peripheral blocking cylinder extends into the upper end opening of the pipe body, the protective cover covers the upper end opening of the pipe brick pouring channel to block the pipe brick pouring channel, the circulation gap is communicated with the river sand filling gap, and the positioning check ring is in lap joint with the upper side wall of the pipe body to form positioning supporting.

The utility model provides a grouting material pouring auxiliary device adopting a beam section increasing method, which comprises a quadrilateral funnel, four edges horizontally extending upwards along the four edges of the quadrilateral funnel, two sets of support components fixed on the lower surfaces of the two symmetrical edges, and a hose fixed below the quadrilateral funnel, one end of the hose is fixedly connected with the quadrilateral funnel, the other end of the hose is inserted into a pouring hole of the added section of the beam, the supporting assembly comprises a vertical rod, an inclined supporting rod, a vertical rod base plate and an inclined supporting rod base plate, one end of the vertical rod is fixed to the lower surface of the edge, the other end of the vertical rod is fixed to the upper surface of the vertical rod base plate, and the lower surface of the vertical rod base plate is placed on the ground. One end of the inclined strut is fixedly connected with the middle of the vertical rod, the other end of the inclined strut is fixed on the upper surface of the inclined strut base plate, and the lower surface of the inclined strut base plate is fixed on the ground. The device has the advantages that the structure is simple, the construction efficiency and the pouring quality are improved, and the construction cost is reduced.

The invention relates to the technical field of constructional engineering, in particular to a drilling and bottom expanding cast-in-place pile construction device and method.The drilling and bottom expanding cast-in-place pile construction device comprises a fixing frame, a positioning rod and a cleaning pipe and further comprises an adjusting plate, the adjusting plate is located on the positioning rod, and the opening sizes of a water inlet and a water outlet in a pile hole during hole cleaning are adjusted through the adjusting plate; when the construction device and the construction method for the bored bottom-expanded cast-in-place pile are used, different from the prior art, the arrangement of the regulation and control assembly has the advantages that in the hole cleaning process, when the water level in the pile hole is close to the underground water level, the water inlet hole can be automatically expanded, the water outlet hole can be shrunk at the same time, and the speed of underground water entering the pile hole can be increased by expanding the water inlet hole; the water outlet is shrunk, so that the speed of discharging water from the pile hole is slowed down, the water level in the pile hole can be ensured to be always higher than the underground water level, and in the hole cleaning process, due to the fact that the water level in the pile hole has the risk of falling due to mud pumping and drilling slag removing, the water level can be effectively prevented from falling below the underground water level through the measure.

The present invention discloses a grouting density self-feedback type pile top stiffness adjustment device, comprising: a density self-feedback structure, a controllable coordinated deformation structure, a grouting exhaust structure, a pile body, a top plate, longitudinal reinforcement, and a longitudinal reinforcement reserved opening. The controllable coordinated deformation structure is arranged on the top of the pile body, and a top plate is arranged on the top of the controllable coordinated deformation structure, and the top plate is connected to the grouting exhaust structure, and the grouting exhaust structure is connected to the controllable coordinated deformation structure; the controllable coordinated deformation structure is connected to the density self-feedback structure, and longitudinal reinforcement reserved openings are arranged on the top plate, the grouting exhaust structure, the density self-feedback structure, and the controllable coordinated deformation structure, and the longitudinal reinforcement is penetrated through the longitudinal reinforcement reserved opening, and the bottom end of the longitudinal reinforcement is fixedly connected to the pile body. The pile top stiffness adjustment device of the present invention can effectively improve the grouting density and can effectively play the role of preventing seepage and waterproofing, and coordinating deformation, and broadens the applicable geographical range of the controllable stiffness pile raft foundation.

The present invention relates to the technical field of carbon fiber plate processing, and discloses a vacuum infusion device and a infusion method for carbon fiber plate production, including a device body, a first vacuum chamber, a vacuum mechanism, a separation mechanism and a feeding mechanism, wherein the first vacuum chamber is opened inside the device body, the vacuum mechanism is installed on one side of the device body, the separation mechanism is installed inside the device body, and the feeding mechanism is installed outside the device body. The present invention can drive the transmission connection column to move upward when the raw material in the infusion chamber gradually increases, and the transmission connection column can drive the infusion chamber to rotate inside the second vacuum chamber when it moves upward inside the limiting sleeve. The position of the feeding mechanism remains unchanged when the infusion chamber rotates, so that the directions of carbon fibers of different layers of the carbon fiber plate can be staggered during the infusion process, thereby increasing the overall strength of the carbon fiber plate and preventing the carbon fiber plate from cracking during use.

The invention relates to the technical field of pile foundation construction, and discloses an intelligent drilling pile-forming construction method for a large-diameter ultra-deep rotary excavating pile in a complex karst area, which comprises the following construction steps: 1) according to the digital conversion of a plane histogram of a pile hole, obtaining drilling stratum information and transmitting the drilling stratum information to a rotary excavating drilling machine; (2) a pile casing is placed in the soil filling layer, and an upper layer hole is formed in the soil filling layer through the rotary excavating drilling bucket; (3) the slag salvaging drill bit forms a middle layer hole in the clay layer; (4) the cone barrel drill forms a lower layer hole in the rock stratum, and the upper layer hole, the middle layer hole and the lower layer hole are communicated to form a pile hole; (5) an elastic wave detector detects the lower portion of the pile hole; 6) putting a reinforcement cage into the pile hole, arranging an optical fiber, and connecting with an optical fiber sensing device; (7) concrete is poured into the pile hole through the guide pipe, and the optical fiber sensing equipment receives optical fiber signals to obtain the pouring height, and (8) after the concrete is poured to the set height, the guide pipe is withdrawn to form the rotary excavating pile, and through reasonable construction steps, the stability and the overall quality of drilling and pile forming of the rotary excavating pile are improved.

The utility model relates to the technical field of wind power blade manufacturing, in particular to a device for preventing a wind power blade cloth layer from sliding down, which comprises an annular bearing, a clamping component is arranged in the circumferential direction of a circular ring of the annular bearing, and the clamping component is used for clamping the front edge and the rear edge of a die and the cloth layer in an inner cavity of the die and preventing the cloth layer from sliding down in the laying process. The clamping assembly comprises a pneumatic supporting leg and an axial supporting plate connected with the output end of the pneumatic supporting leg, and the axial supporting plate is driven by the pneumatic supporting leg to stretch out and draw back and then abuts against a cloth layer in an inner cavity of the mold. And meanwhile, adaptive adjustment and positioning can be performed according to the sizes of different blades to prevent the cloth layer from sliding down, the pouring quality of the prefabricated part cloth layer and the shell cloth layer is improved, and the occurrence rate of wrinkles, cloth layer sliding down and other problems is reduced.

The utility model relates to the technical field of underground diaphragm wall synchronous pouring, and discloses an underground diaphragm wall synchronous pouring device which comprises a first pouring pipe, a second pouring pipe, a connecting frame and two measuring structures, the two ends of the connecting frame are in butt joint with the first pouring pipe and the second pouring pipe respectively, the connecting frame is provided with a lifting ring, and the lifting ring is used for lifting; the two measuring structures are respectively arranged on the connecting frame and are used for detecting the filling depth; the measuring structure comprises a measuring rope and a floating plate, the lower portion of the measuring rope is connected with the floating plate, and the floating plate is arranged in a floating mode through poured concrete. During pouring operation, the connecting frame can realize synchronous lifting and lowering of the first pouring pipe and the second pouring pipe, so that construction operation is facilitated, and the pouring effect and the pouring quality are improved; in the concrete pouring process, the pouring depth of the concrete is monitored through cooperation of the measuring rope and the floating plate, the first pouring pipe and the second pouring pipe are lifted up only when enough concrete pouring is guaranteed, and the pile forming quality and the supporting strength are guaranteed.