33results about How to "Guaranteed perfusion quality" patented technology

The invention relates to a concrete pouring device, which comprises a guide pipe for pouring concrete, a funnel-shaped pouring guide device connected with one end of the guide pipe and a lifting device of the guide pipe, wherein the guide pipe is formed by connecting multiple sections of short pipes together through a connecting device in a hermetical manner, and the other end of the guide pipe is sealed and closed by a pipe orifice closing device in a removable manner. The invention further relates to a guide pipe type concrete pouring method using equipment including the pipe orifice closing device, the pipe orifice closing device is mounted on the guide pipe before pouring, the pipe orifice closing device is placed on a foundation along with the guide pipe, and the pipe orifice closing device can be separated from the guide pipe after the beginning of the pouring of the concrete.

The invention discloses a small road repairing device convenient for operation, which comprises a vehicle body, a drilling mechanism, a filling mechanism and a compaction mechanism. The drilling mechanism comprises a drill barrel; The filling mechanism comprises a stirring barrel; A material discharge pipe is communicate with that lower part of the stir barrel, and the material discharge pipe extends to the lower part of the vehicle body and is provided with a manual valve; The compaction mechanism includes a compaction roller. As that drill barrel is fixedly connecte with an upper and lower rotate mechanism composed of a threaded sleeve and a rotating rod, the drill barrel is convenient to drill a hole at a place to be repaired of the road, the asphalt pouring interface is smoothed, and the pour quality is ensured; and the drill barrel is fixed on the upper and lower rotating mechanism composed of the threaded sleeve and the rotating rod. The rotary compaction of the poured asphalt iscarried out by means of a compaction roller which is linked with a rotary ring, so that the compaction efficiency is improved, and the operation is convenient compared with manual compaction.

The invention belongs to the field of road equipment, and particularly discloses a road repairing and breaking device. The road repairing and breaking device comprises a cart body, a breaking mechanism, a dust collection pump and a pouring mechanism, wherein the breaking mechanism, the dust collection pump and the pouring mechanism are located in the cart body; a lever is arranged in the cart body, the dust collection pump and the pouring mechanism are fixedly connected to the two ends of the level respectively, an elastic piece is fixedly connected to the bottom of the level on one side of the dust collection pump, the dust collection pump is communicated with a sucker for absorbing road gravel particles, the sucker penetrates through the bottom of the cart body, and a sucker opening faces the lower portion of the cart body; the pouring mechanism comprises a discharging hopper containing padding, the side wall, towards one side of the dust collection pump, of the discharging hopper iscommunicated with a discharging pipe, and the discharging pipe penetrates through the bottom of the cart body to face the lower portion of the cart body. After the technical scheme is adopted, the road repairing and breaking device can automatically pour padding into road surface cracks in the road repairing process.

The invention discloses a post-grouting bored pile construction method. The post-grouting bored pile construction method comprises the following steps of hole forming: measuring a pile position first,and then vertically burying a pile aligning the center of a steel protective cylinder with the center of a pile hole, and finally, drilling to form a hole; after the hole is drilled to a designed depth, using a hole cleaning drill bit to clean the hole once; transporting a made steel reinforcement cage to the site through a cage transporting vehicle; lowering the steel reinforcement cage in place; after a guide pipe is lowered, carrying out secondary hole cleaning; pouring concrete to the pile depth within half an hour of secondary hole cleaning; when the pouring is performed to the top of the pile, measuring the elevation of the top of the pile by using a heavy hammer or a measuring rod in real time; and finally, carrying out post-grouting construction, wherein in post-grouting construction, grouting is carried out on the pile side first; and after a grouting liquid is initially set, the grouting liquid is grouted to the bottom of the pile. By using the post-grouting bored pile construction method to construct, harmful effects on adjacent buildings and surrounding environments are small, the length and diameter of the pile can be freely changed according to design requirements, the end of the pile can enter a supporting layer or can be embedded into a rock stratum; and the bearing capacity of a single pile is large.

The invention discloses a measuring device of pouring pile concrete surface, which comprises a measuring device body, a middle sleeve, a floating board, a guider, a measuring rope, a tension sensor, a battery, and a TD-CLF-L3 type controller. The outer side of the middle sleeve is sleeved with the floating board, a metal rod is arranged inside a first through hole, a lead ball is arranged inside a blind hole, the guider is arranged inside a second through hole, the measuring device body is sheathed in the middle of a guide tube, the tension sensor is arranged on one side of the measuring rope, near the floating board, a motor is arranged on one side of a runner, a telescopic rod is arranged on one side of the top of a base, and the TD-CLF-L3 type controller is arranged on one side of the battery. The device, when used for pouring concrete, moves upwards along with the concrete surface so that the depth of the concrete surface can be accurately known through the measuring rope connected with the device. Even in the event of an upper borehole collapse, the measurement will not be affected and material waste can be effectively controlled. The measuring rope is pulled by the motor, thereby saving manpower.

The invention discloses a crack pouring processing method for a building structure crack. The method comprises processing the crack base plane, installating an injection seat, sealing the surface of the crack, injecting crack pouring sealant, hardening maintenance and shaping and leveling. The method is characterized in that firstly scotch tapes are adopted to seal the crack surface, and two 5 to 8 cm of blank spaces without scotch tapes are reserved on the both sides of the injection seat along the crack direction, then transparent joint sealant is used to seal the crack surface (the parts adhered with scotch tapes are included), the sealing width is 4 to 6 cm, the sealed cross section of the transparent joint sealant on the crack surface is in arc, and the middle part is slightly thicker; empty injection seats without injectors are reserved among three to five injection seats as exhaust passages; red pigment is mixed in the joint sealant. The method has the advantages that the method is scientific and simple, the implementation is convenient and easy, the cost is low, the self-checking is convenient for the constructer, the full degree and the length of the crack pouring can be accurately confirmed, and the supervision and the acceptance of the construction are convenient, thus the crack pouring quality is guaranteed, simultaneously, the measurement control is convenient, and the construction cost is saved.

The invention discloses a semi-assembled pipe curtain structure based on a steel reinforced concrete connection. The semi-assembled pipe curtain structure comprises lateral supporting structures and atransverse supporting structure, wherein the lateral supporting structures are used for supporting lateral surrounding rock, the transverse supporting structure is used for supporting the ground, thelateral supporting structures are connected through the transverse supporting structure, each of the lateral supporting structure and the transverse supporting structure comprise a plurality of largesteel pipes, the adjacent large steel pipes are connected through a prefabricated connecting component, and concretes I are filled in the large steel pipes for packaging the prefabricated connectingcomponent. The construction process of the semi-assembled pipe curtain structure based on the steel reinforced concrete connection comprises the following steps of 1, manufacturing a working well; 2,prefabricated connecting members outside the field; 3, installing a pipe curtain; 4, forming a pipe curtain structure; and 5, grouting reinforcement treatment and building a building. The manufacturing process of the prefabricated connecting component is standardized, the concrete pouring quality of the prefabricated connecting component is guaranteed, and the phenomena of insufficient concrete pouring compactness and internal concrete missing are avoided.

The invention relates to a gypsum slurry stirring and perfusion device. The gypsum slurry stirring and perfusion device comprises a stirring module and a perfusion module connected in a vertical direction; the stirring module includes a stirring container and a stirring mechanism; the stirring mechanism is installed in the stirring container; the perfusion module includes a perfusion container, a connecting pipeline, a pressurizing mechanism and a liquid outlet guide pipe; a bottom inner cavity of the stirring container is a cambered surface; the cambered surface is connected with the perfusion container below the stirring container through the connecting pipeline; the pressurizing mechanism is connected with one end of the perfusion container; the liquid outlet guide pipe is connected with the other end of the perfusion container; and a switch valve is arranged in the connecting pipeline. Compared with the prior art, the gypsum slurry stirring and perfusion device has the advantage that gypsum powder and water are mixed by the stirring module to generate gypsum slurry, so that the gypsum slurry is made conveniently and rapidly; through the vertical structural design of the stirring module and the perfusion module, the generated gypsum slurry automatically enters the perfusion module; and the gypsum slurry can be injected between lining cloth of a novel gypsum device through the pressurizing mechanism, so that rapid perfusion is realized, and the perfusion quality is guaranteed.

The invention discloses a mountainous area bridge construction method with large water volume change, which comprises the following steps: preparation before construction: in a drawing rechecking stage, carefully checking the bridge structure size and the part elevation, calculating the engineering quantity, and carefully comparing and analyzing whether the design ground elevation and the longitudinal and transverse sections at the pier position are consistent with the reality; making sufficient technical data preparation before construction, and determining the excavation position and the excavation depth of the pile foundation; and bridge foundation construction: measuring and setting out to determine the position of a foundation pit, then carrying out manual hole digging by adopting a delayed blasting method, removing slag after hole digging, repairing a hole wall, then expanding a hole in a rock mass at the bottom of a pile hole, placing a reinforcement cage in the pile hole, and placing an expanded reinforcement cage in the expanded hole. The method has the beneficial effects that the concrete follow-up retaining wall is adopted, the construction safety and the pouring quality of pile foundation concrete are ensured, the number of used mechanical equipment is small, the construction investment is reduced, the engineering cost is reduced, the professional degree of construction is small, the construction face is wide, the number of excavation points is large, and the construction progress is accelerated.

The invention provides a novel concrete fractionation device for subway slab track construction and a construction method. The fractionation device is installed on a steel rail above a track slab through walking wheels, the fractionation device can freely slide on the steel rail, and two fractionation chutes capable of freely moving are symmetrically arranged on the fractionation device through a sliding rail beam and a sliding block, so that accurate alignment of the fractionation chutes, a discharging opening and pouring holes is achieved, continuous pouring can be achieved, the problem of procedure interruption in a traditional construction technology is solved, and the construction efficiency is higher. Limiting devices are further arranged on the two sides of the fractionation device, the limiting devices are clamped with the pouring holes of the track slab through stopping blocks capable of moving up and down, then braking of the fractionation device is achieved, the risk that the fractionation device slides in the discharging process of an ash hopper and the pouring process of the fractionation chutes is avoided, operation is convenient, and use is safe and reliable.

The invention discloses a mounting method of a concrete hollow anchor rod tool. When used for inverted mounting of a hollow anchor rod, the mounting method comprises the following steps: 1, a hole isformed and cleared, specifically, the straight hole (28) is drilled in rock or concrete (27) through a drilling rig, then the hole is broached through broaching equipment, and then the hole is clearedthrough a hole clearing device; 2, mounting is conducted, specifically, hollow self-bottom-expanding anchor bolts are assembled firstly, a rubber sleeve (30) sleeves a rod body (1) and is located ona middle rod (22) part, then the rubber sleeve (30) is glued to the rod body (1) through glue, and then the assembled hollow self-bottom-expanding anchor bolts are inserted into the straight hole (28); and 3, grouting is conducted, specifically, through an injector, a grouting material sequentially passes through a rod body inner hole (9) and a wedge block inner hole (24) and then is injected intothe hole bottom of the straight hole (28), after the grouting material overflows from an air guiding pipe (32) on a large scale, grouting is stopped, an anchor rod cap (29) is mounted at the exposedend (6) to block the rod body inner hole (9) to prevent the grouting material from flowing out, and after the grouting material is solidified, the hollow self-bottom-expanding anchor bolts are mounted.