10results about How to "Even grouting" patented technology

The utility model provides a compaction grouting machine which comprises an equipment supporting frame, a grouting pressurization device is arranged on the equipment supporting frame, a feeding device is arranged on a feeding port of the grouting pressurization device, a compaction grouting pipe is arranged on a discharging port of the grouting pressurization device, the grouting pressurization device comprises a grouting pressurization pump body, and a compaction grouting pipe is arranged on the grouting pressurization pump body. A feeding supporting plate is arranged on a feeding port of the grouting pressure pump body, a feeding mounting seat is arranged on the feeding supporting plate, a discharging pipe is arranged on a discharging port of the grouting pressure pump body, a feeding pipe is arranged on the discharging pipe, a grouting pipe connecting seat is arranged on the feeding pipe, a pump body driving motor is arranged on one side of the grouting pressure pump body, and a grouting pipe connecting seat is arranged on the pump body driving motor. According to the grouting pressure pump, rapid grouting can be achieved, it can be guaranteed that the grouting pressure is stable, grouting is even, and the construction quality is further guaranteed.

The present invention discloses a grouting device and method for a karst cave in a karst tunnel development area, relates to the field of karst cave filling technology, includes a foundation with a karst cave, and also includes a grouting pipe; a ring-shaped plugging plate is slidably installed inside the grouting pipe, and an inner pipe is fixedly installed on the inner ring of the plugging plate. The advantage is that when the present invention is used for grouting in a karst cave, a grouting reinforcement operation can be performed on the inner wall of the karst cave before grouting, thereby improving the adhesion between the mortar and the inner wall of the karst cave during the later grouting, improving the stability of the inner wall of the karst cave, and reducing the probability of collapse of the inner wall of the karst cave. At the same time, grouting can be performed from all sides to the middle, thereby reducing the flow of mortar and improving the mortar filling efficiency. In addition, the distance between the mortar outlet and the bottom of the karst cave can be reduced during grouting, and as the grouting proceeds, the distance gradually decreases, thereby reducing the vibration generated when the mortar falls, which is beneficial to the stability during grouting.

The utility model relates to the field of reinforcement, in particular to an underwater pile foundation reinforcement device which is used for reinforcing a pile body and comprises a reinforcement mechanism and a plurality of first limiting mechanisms, the reinforcement mechanism comprises a reinforcement sleeve and a lock catch assembly, and the reinforcement sleeve wraps the periphery of the pile body through the lock catch assembly; the first limiting mechanism is arranged on the inner side wall of the reinforcing sleeve; the first limiting mechanism comprises a limiting piece and a limiting assembly, the limiting piece is made of an elastic material, and the limiting piece is connected with the reinforcing sleeve; the limiting assembly comprises an elastic component, and the elastic component is connected with the reinforcing sleeve and the limiting piece so that the limiting piece can abut against the pile body. According to the utility model, the sizes of the gaps between the reinforcing sleeve and the pile body are the same, and the reinforcing effect is good.

The utility model discloses a thin and crisp double-layer sandwich biscuit slurry delivery device, and particularly relates to the technical field of food processing equipment, the thin and crisp double-layer sandwich biscuit slurry delivery device comprises a working table, a conveying belt is arranged on the surface of the working table, and a slurry injection mechanism is arranged on one side of the conveying belt. According to the thin and crisp double-layer sandwich biscuit slurry feeding device, by arranging the slurry injection mechanism, slurry enters a slurry bin through a hopper, a motor and a connecting rod are matched to drive a cam to rotate, one end of the cam pushes a push block through a push rod, and the push block further extrudes the slurry in the slurry bin to enable the slurry to enter a material pipe; when the cam rotates to the other end, the push block is further pulled to reset, and the pressure in the slurry bin is reduced, so that the spring pulls the sealing plate to reset to seal the material pipe; and grouting is further stopped, and grouting is more uniform through control of the motor and the cam.

This invention provides a grouting device and a construction method for cast-in-place piles, belonging to the technical field of grouting devices. The device includes an outer grouting pipe and an inner grouting pipe: the outer and inner grouting pipes are coaxially arranged, with a pre-embedded part at one end of the outer grouting pipe, including a pipe head, a protective pipe, and a breakable component; the inner grouting pipe has multiple sets of second grout outlets at one end near the pre-embedded part, the pipe head is installed on the inner grouting pipe, and the two ends of the protective pipe are respectively sleeved on the inner grouting pipe and the pipe head, covering the second grout outlets for sealing and preventing blockage during pre-embedding; a first grouting cavity is formed between the outer and inner grouting pipes, and a second grouting cavity is formed inside the inner grouting pipe; multiple sets of first grout outlets are opened on the side wall of the outer grouting pipe; a grouting end cap is installed on the outer grouting pipe, with a detachable first plug and a second plug inside the grouting end cap, and a grouting port is opened on the grouting end cap; this improves the stability and reliability of the device during grouting construction and avoids rework due to channel blockage.

The utility model discloses an auxiliary tool for masonry mortar paving, which belongs to the technical field of auxiliary tools for mortar paving and is characterized in that an auxiliary tool body for mortar paving comprises a first side plate and a second side plate which are symmetrically arranged, a support plate and a baffle plate are fixedly connected between the first side plate and the second side plate, and a storage tank is encircled among the first side plate, the second side plate, the support plate and the baffle plate; according to the masonry slurry paving auxiliary tool, through the arrangement of the supporting plate, the flow guide face, the storage groove and the baffle, slurry can be directly added into the storage groove, uniform slurry paving is conducted when the slurry paving auxiliary tool body moves along a masonry, the slurry paving effect is good, and the slurry paving effect is good. And through the arrangement of the bottom plate, the balls and the guide grooves, the auxiliary tool body for slurry laying can be directly placed on the masonry conveniently, movement is easy, labor is saved, and the labor intensity of constructors is reduced.

The invention relates to the technical field of pouring forming equipment, in particular to photovoltaic support anti-corrosion pouring forming equipment and a forming method thereof. According to the technical scheme, the grouting machine comprises a machine case and a support and further comprises a positioning mold closing mechanism installed in the machine case, a mold and a vacuum device are detachably installed on the positioning mold closing mechanism, the vacuum device is installed on the machine case, and a grouting device is installed on the machine case. Through the vacuum pump, air in the mold is pumped out, and the problem that air in the mold cannot be discharged during injection molding, so that bubbles appear in the mold is solved; the epoxy resin in the treatment box is preheated through the pretreatment mechanism, the flowability of the resin can be improved, generation of bubbles is reduced, the temperature of the epoxy resin in the treatment box can be kept uniform through rotation of the stirring blades, and therefore the overall flowability of the epoxy resin in the treatment box can be improved.

The present invention relates to the field of tunnel construction facilities, and discloses a lining trolley and a method for using the lining trolley, comprising a workbench and two groups of side frames, wherein the two groups of side frames are tilted and fixed on both sides of the bottom of the workbench, and the bottom sides of the two groups of side frames are fixed with a bottom frame, and the top side of the workbench is fixed with a top mold, and the outer sides of the top mold are hinged with side molds supported on the outer sides of the side frames, and the four corners of the top mold are provided with grouting components, and the side molds and the outer edges of the top mold are rotatably provided with synchronous belts supporting the grouting components. The beneficial effect is that the present invention realizes automatic grouting layer by layer by providing a grouting component that can extend out of the top mold, and supports the grouting component to extend into the grouting mold cavity through a synchronous belt that can move along the top mold and the side mold, thereby improving construction efficiency; there is no need to open an operating window on the template surface, thereby improving the integrity of the template, ensuring the flatness of the concrete surface, and facilitating demoulding, and at the same time, there is no need to manually operate the grouting pipe to grout and vibrate along the operating window, thereby reducing manual labor and improving operation convenience.

The present application relates to the field of coal mine filling mining, in particular to a coal gangue slurry overburden balanced grouting filling method for pre-fracturing hard rock stratum, a plurality of first fracturing cracks along the strike are fractured in the thick hard rock stratum along the inclination at intervals, the inclination construction range of the first fracturing cracks is between the intersection of the caving line and the grouting horizon and the inclination boundary of the coal mining face, a plurality of second fracturing cracks along the inclination are fractured in the thick hard rock stratum along the strike at intervals, the range of the second fracturing cracks along the inclination is between the inclination boundary of the coal mining face, and the fracturing cracks do not exceed the top boundary of the thick hard rock stratum, and a certain thickness of buffer zone is reserved. Thus, the strike breaking position and the inclination breaking position of the thick hard rock stratum are controlled, and then the control of the separation of the grouting horizon is realized, and balanced grouting is realized. The present application can best weaken the thick hard rock stratum on the basis of reducing the hydraulic fracturing engineering quantity as much as possible to be suitable for the overburden separation grouting filling engineering.

The invention belongs to the technical field of foundation pit construction, and discloses a grouting device and a grouting method, and the grouting device comprises a connecting piece and a grouting mechanism. The connecting piece is provided with a through connecting cavity in the extending direction of the connecting piece, and the two ends of the connecting cavity can communicate with the pressure reduction well upper pipe and the pressure reduction well lower pipe in a one-to-one correspondence mode. The multiple grouting mechanisms are arranged on the outer circumferential wall of the connecting piece in the circumferential direction of the connecting piece at intervals so that the grouting effect can be improved. And the grouting mechanism comprises a reserved pipe and a grouting assembly, and the extension direction of the reserved pipe is parallel to the through direction of the connecting cavity, so that it is guaranteed that the reserved pipe can be smoother in the hole descending process along with the connecting piece, and the operation safety is improved. One end of the reserved pipe is configured to inject grout, the other end of the reserved pipe is communicated with the grouting assembly, and the grout is sprayed through the grouting assembly, so that the grout can be more fully filled and solidified. The grouting device is used in the grouting method. Through the arrangement, the grouting device can improve the grouting effect and the operation safety.