22results about How to "Achieve partial replacement" patented technology

The invention belongs to the technical field of heavy slurry pumps, and particularly relates to a heavy slurry pump shell adopting a replaceable structure, the heavy slurry pump shell comprises a base and a rotating mechanism, the rotating mechanism is arranged above the base and comprises a connector, a rotating bearing, a rotating ring and a pump shaft, and the output end of the pump shaft is provided with a pressure reducing sleeve and an impeller; the pump further comprises a pump shell assembly and a protection assembly, the pump shell assembly comprises a pump body and a pump cover which are detachably connected through a locking mechanism, and the protection assembly comprises a rear protection plate and a front protection plate which are detachably connected through a fastener. The pressure reduction sleeve is connected with the pump body and the rear protection plate in a clamped mode, the protection assembly and the pump shell assembly are fixed through the locking mechanism and the fastener, the internal structure can be rapidly disassembled and assembled, the internal structure can be conveniently and independently replaced, the maintenance cost can be effectively reduced, and the working efficiency can be effectively improved. And meanwhile, by replacing the internal structure, the aging of the equipment can be effectively delayed.

This invention relates to a prefabricated 3D-printed box-type concrete retaining wall and retaining wall system. The prefabricated 3D-printed box-type concrete retaining wall is assembled from 3D-printed concrete retaining wall units. Each 3D-printed concrete retaining wall unit is an integrated 3D-printed concrete structure, consisting of an arched outer wall panel, a concave inner wall panel, and concave side wall panels, which enclose a cavity. A transverse keyway is formed between the concave side wall panels of adjacent 3D-printed concrete box-type retaining wall units. Shear keys are formed by casting cement-based material within the transverse keyway, enabling the combined load-bearing capacity of the 3D-printed concrete retaining wall units. Under the same loading conditions, the peak bearing capacity of the structure of this invention is significantly improved compared to traditional vertical box-type retaining walls, and the bearing performance is further enhanced under simulated backfill conditions, demonstrating good engineering applicability and green construction value.

This utility model discloses a guiding device for polyester fiber processing, relating to the field of polyester fiber guiding technology. The device includes a base with support frames welded to both ends. A rotating assembly is rotatably connected to the top of each support frame. A guiding assembly is located at one end of the rotating assembly. The guiding assembly includes multiple guiding wheels, each with screw holes on its front surface. Each guiding wheel includes a first splicing plate and a second splicing plate, with guiding grooves on their outer edges. This solution solves the problem that existing polyester fiber guiding methods often result in damage and replacement of the guiding wheels due to prolonged friction. Furthermore, most existing guiding wheels are integral structures, requiring complete replacement and incurring high costs.

The utility model provides a solution dropping device which comprises a carrier plate, a micro motor is mounted in the middle of one side of the carrier plate, a screw is mounted on an output shaft of the micro motor, a moving seat is arranged on the lower side of the micro motor, a piston rod is mounted on the lower surface of the moving seat, and a lug is arranged on the lower side of the moving seat. The lower end of the piston rod penetrates through the lug seat and is provided with a piston, a first clamping seat is installed on the lower surface of the lug seat through a screw, a second clamping seat is arranged on the side, away from the carrying plate, of the first clamping seat, a transparent pipe is clamped between the first clamping seat and the second clamping seat, and the lower portion of the face, away from the first clamping seat, of the carrying plate is sunken to form a positioning groove. A positioning groove is formed in the first clamping seat, a positioning plate is inserted in the positioning groove, two counter bores are formed in the face, away from the first clamping seat, of the second clamping seat, and long screws are inserted in the counter bores.

The utility model relates to the technical field of industrial cutters, and discloses a stepped hole machining machine tool matching drill bit which comprises a connector and further comprises a cutter bar part, a chamfering cutter is arranged at the top of the cutter bar part, a drilling cutter is arranged at the bottom of the cutter bar part, the cutter bar part has rotational freedom, the cutter bar part is in a spiral shape, and the connector is connected with the cutter bar part. The top end of the cutter bar part is fixedly connected with a step bar, a step cutter is arranged in an inner cavity of the step bar, the top of the cutter bar part is in threaded connection with a first connecting rod, the cutter bar part is in threaded connection with a chamfering cutter through the first connecting rod, and the bottom end of the cutter bar part is in threaded connection with a third connecting rod. The cutter bar part is in threaded connection with the drilling cutter through a third connecting rod, and an inner cavity of the step rod is in threaded connection with a second connecting rod. The step cutter is replaced, so that local replacement of the chamfering cutter, the drilling cutter and the step cutter is realized, overall replacement of the cutter bar part is avoided, the replacement cost is reduced, and waste is avoided.

The utility model discloses a multifunctional orchard ladder, which relates to the technical field of orchard ladders, and comprises a left support leg, a right support leg and pedal frames, and the pedal frames are uniformly connected between the left support leg and the right support leg; top frames are connected to the top ends of the left supporting leg and the right supporting leg, two fixing rods are fixed between the top frames, and dismounting assemblies are arranged on the outer sides of the top frames. According to the orchard ladder, the mounting grooves are reserved in the left supporting leg, the right supporting leg and the telescopic sleeve, the bases are correspondingly welded in the mounting grooves, then the ground inserting screws, the butt joint screws and the connecting screws can be correspondingly mounted in the bases, and when the orchard ladder is used in a muddy ground, the ground inserting screws can be inserted into the ground to improve the placement stability of the orchard ladder; and the end part of the butt joint screw rod is matched with a universal rotating ball to be matched with a universal foot cup, so that the left supporting leg and the right supporting leg can deal with complex terrain support, namely, the left supporting leg and the right supporting leg can be stably used in potholes, bulges or uneven grounds.

The invention relates to the technical field of valves, and discloses a hydraulic needle valve which comprises a valve body, a feeding pipe and a discharging pipe are arranged on the valve body, a cavity is formed in the valve body, a feeding hole is formed in the feeding pipe, a discharging hole is formed in the discharging pipe, and a blocking structure is arranged in the valve body; a mounting ring groove is formed in the inner wall of the discharging hole, the plugging structure comprises a valve seat arranged in the mounting ring groove, and a locking structure for connecting the valve seat with the discharging pipe is arranged between the valve seat and the discharging pipe; a through hole is formed in the discharging pipe, the locking structure comprises an operation ring rotationally connected to the outside of the discharging pipe and a locking rod arranged in the through hole in a penetrating mode, an operation groove is formed in the operation ring, an operation block is arranged in the operation groove, and the operation groove comprises a first operation face and a second operation face in the circumferential direction of the operation ring. The bottom wall of the operation groove comprises a guide face and a locking plane which are adjacent, the distance between the guide face and the axis of the operation ring is gradually reduced along the end face close to the second operation face, a locking groove is formed in the valve seat, and the effect of reducing the maintenance cost of the valve is achieved.

The utility model discloses a packing structure for seawater desalination, which belongs to the field of container manufacturing and comprises a plate cylinder, a plurality of support rods are arranged in the plate cylinder in parallel, and two ends of each support rod are connected onto the inner wall of the plate cylinder; a plurality of stand columns are arranged on the supporting rod and are parallel to the center line of the plate cylinder. The two stand columns at different positions are sleeved with spiral-wire-shaped rings, and each spiral-wire-shaped ring is formed by winding at least one spiral wire. The utility model not only facilitates the installation and arrangement of the filler, but also facilitates the replacement after local damage, and is low in cost.

A movable dovetail groove workpiece fixing device comprises a fixed workbench and a movable tooling plate, wherein a lifting cylinder, a pushing cylinder and a positioning boss are arranged on the fixed workbench, the end of the piston rod of the lifting cylinder is fixedly connected to a wedge-shaped plug block, the end of the piston rod of the pushing cylinder is fixedly provided with a connecting block, the movable tooling plate comprises a movable table plate, a fixed dovetail groove plate, a movable dovetail groove plate and two or more guide screws, the fixed dovetail groove plate is fixedly connected to the movable table plate, the bottom of the movable dovetail groove plate is fixedly connected to one end of the guide screw, the movable table plate is provided with two or more guide grooves parallel to the movement direction of the piston rod of the pushing cylinder, the other end of the guide screw is slidably connected to the guide groove, and the middle part of the bottom surface of the movable dovetail groove plate is provided with a connecting groove which fits with the connecting block. The device adopts a modular movable dovetail groove structure, which solves the problem of excessive wear of the tooling plate and rapid loading of parts caused by incomplete fit between the tooling and the workpiece, thereby reducing the production complexity and equipment maintenance costs.

The utility model discloses an environment-friendly filtering device for sewage treatment, which comprises a sewage filtering box, a sealing cover is mounted at the top end of the sewage filtering box, a water inlet pipe is mounted at the top end of the sealing cover, and a water outlet pipe is mounted at the bottom end of the sewage filtering box. Impurities on the second filter plate and the first filter plate are pushed through the motor and the scraping plate, the impurities can conveniently pass through the discharging groove, the guide seat and the impurity treatment box and are finally collected in a centralized mode through the impurity collecting frame, the situation that the second filter plate and the first filter plate are blocked is effectively prevented, and the service life of the impurities is prolonged. The filtering effect of the first filtering plate and the second filtering plate is kept, the whole connecting frame is conveniently replaced through the rotary knob, local replacement of the second filtering plate and the first filtering plate is conveniently achieved through the positioning columns and the positioning holes, the using effect of the first filtering plate and the second filtering plate is kept, and the later maintenance cost of the sewage filtering box is reduced.

This utility model provides a uniform defrosting structure for a defrosting heating element in a frost-free refrigerator, relating to the field of defrosting equipment technology. It includes a heating box, a connecting frame, an air diffuser, a heating element, a heat exchanger, a fan motor, and a main frame. The main frame has circular mounting holes on both sides, and each heating element has a set of circular heads on both sides, which are mounted on the sides of the main frame. The heat exchanger has a series of through-holes inside, and one side of the heating element is mounted on one side of these holes. The connecting frame has two sets of threaded circular holes on one side, and each side of the heating box has a set of connecting plates with a set of circular holes. The connecting plates on both sides of the heating box are fastened to one side of the connecting frame with screws. The mounting of the heating element to the main frame and the grouped electrical connections of the heat exchanger allow for partial replacement, reducing maintenance costs. The fan motor accelerates hot air diffusion, expanding the range and improving efficiency. The connecting frame optimizes the path, reducing blind spots and ensuring uniform defrosting.

The application discloses a large-scale flotation machine disperser replacement method for mines and belongs to the technical field of mine mechanical equipment. The method comprises the following steps: a new disperser composed of a new four-piece assembled arc block is adopted, a "composite process cutting method" is adopted to safely decompose an old integral rubber-steel composite disperser, that is, rubber of the main body is first cold cut, rubber of the steel plate area is then separated with the aid of heat, exposed steel plates are finally gas cut, and a complete limited space safety operation system is integrated; according to a slot-in situ replacement mode that old dispersers are hoisted out and new dispersers are assembled in slots, efficient, safe and accurate partial replacement of a core component of a large-scale flotation machine is realized, a construction period is short, risks are controllable, and a standardized maintenance process that can be popularized is formed.

The utility model discloses a printing plate for printing patterns on the surfaces of marinated eggs, which is provided with a clamping seat, and the top end of the clamping seat is connected with a pull rod; comprising a connecting plate installed at the bottom end of the clamping base. The distance between the wormwood-shaped plastic plates is adjusted through the threaded connection effect of the two-way threaded rod and the threaded sleeve, cooked eggs of different sizes can be clamped in an attached mode according to the length of the two-way threaded rod, and the clamping force is more adjustable; the wormwood-shaped plastic plate is tightly attached to the outer side of the egg, a certain protection effect is achieved on the egg, and the situation that the egg is broken due to too large stress is avoided; the wormwood-shaped plastic plate and the connecting plate are connected and fixed through connection of the positioning cone and the screw hole, so that the wormwood-shaped plastic plate and the connecting plate are more stable after being connected, and the wormwood-shaped plastic plate and the connecting plate can be separated through reverse operation.

The invention relates to the field of food processing, in particular to a bowl porridge high-temperature sterilization device which comprises a high-temperature sterilization kettle, two symmetrically-arranged supporting plates are installed on the lower portion in the high-temperature sterilization kettle, and supporting plates used for supporting trundles at the bottom of a bowl porridge storage frame are arranged on the opposite faces of the two supporting plates. A hanging rod is mounted in the middle of the outer surface of the round rod; a first piston is mounted at the upper end of the hanging rod; a straight cylinder concentric with the vertical hole is arranged on the upper side of the vertical hole; a cylinder cover is mounted on the upper surface of the straight cylinder; the high-temperature sterilization kettle has the following beneficial effects that a chain mechanism does not need to be mounted at the bottom in the high-temperature sterilization kettle, so that the size of the bowl porridge storage frame is favorably increased, namely, the quantity of bowl porridge stored in the bowl porridge storage frame is increased at a time; the processing efficiency of the bowl porridge is improved.

The utility model discloses a length-adjustable spinning roller which comprises a spinning roller body, a spinning roller shell is installed in the spinning roller body, a first center shaft and a second center shaft are installed on the two sides of the spinning roller shell respectively, and a second sealing cover is installed on the side, away from the spinning roller body, of the second center shaft. The connecting block extrudes the inserting block, so that the inserting block moves towards the inner side of the containing groove under the elastic effect of the spring, the connecting groove is completely separated from the connecting block, the external thread is completely separated from the internal thread, and the extension ring is completely separated from the second center shaft, and the second center shaft is separated from the spinning roller body in the same mode. Separation and reverse operation of the first center shaft and the second center shaft can be achieved as well, the section number of the spinning roller body can be selected according to the actual situation, the overall length of the spinning roller body can be increased, local replacement of the spinning roller body can be achieved, the overall maintenance cost is reduced, and the use range of the spinning roller body is widened.

The utility model discloses an abdominal belt for gynecological postoperative nursing, and aims to solve the problems that in the prior art, a lower abdominal belt is knotted by a tying belt, is easy to loosen and slip, is low in comfort of a patient, inevitably presses a drainage tube when the abdominal belt is used for binding, is extremely easy to fold, possibly causes unsmooth drainage of the drainage tube and even the drainage tube is easy to fall off, and is difficult to damage. The bellyband wraps the whole belly, so that inconvenience is brought to a patient, and observation of a postoperative incision by medical staff is not facilitated. The bellyband for nursing comprises a bellyband body, first hook-and-loop fasteners are sewn at two ends of the bellyband body, a band pocket is opened through a zipper tape to be placed in a sandbag or a medicine bag, the band pocket is fixed through a hook-and-loop fastener ring in a sticking mode, and the bellyband body surrounds the abdomen of a patient and is fixed through the first hook-and-loop fasteners in a sticking mode. The wound of a patient is located in the observation nursing hole, then the first binding belt and the second binding belt are pulled to be bonded and fixed through the second hook-and-loop fastener, and the top end and the bottom end of the bellyband body are tightened and reinforced respectively.

The utility model provides an integrated vibration module and a massager, the integrated vibration module comprises a module shell, a vibration module and a hot compress module, the vibration module is integrated on the module shell, a vibration piece is arranged relative to a vibration area, and a vibration head of the vibration piece is exposed to the outer side of the module shell and is used for vibrating a user; the hot compress module is integrated on the module shell, the hot compress module comprises a hot compress piece, the hot compress piece is arranged relative to the hot compress area, and a hot compress part of the hot compress piece is used for performing hot compress on a user; the hot compress part is located on the peripheral side of the vibration part and is integrated with the vibration part in the same module shell, at the moment, the hot compress module and the vibration module are integrated in the same module shell, the space of the module shell is fully utilized, and integrated design is conducted based on the module shell; therefore, the integrated vibration module can be conveniently assembled or replaced relative to the massager body, local replacement of the vibration module and the hot compress module is achieved, and the maintenance cost of the integrated vibration module is reduced.

The utility model discloses an adjustable communication equipment mounting support relates to communication equipment technical field, this adjustable communication equipment mounting support, including stand, the lower extreme of stand is provided with base, the lower surface welding of base has fixed bottom plate, the outside of stand is provided with adjusting assembly, and adjusting assembly is provided with a plurality of, and a plurality of adjusting assemblies are circular equidistance array distribution, adjusting assembly includes locating plate and adjusting plate, the side surface of locating plate is provided with adjusting groove, and adjusting plate moves along adjusting groove, the upper surface of one end of adjusting plate is provided with second bolt groove, the upper surface of locating plate is provided with sliding groove, the upper end of sliding groove is provided with second bolt, and this scheme has solved the problem that the existing communication equipment installation most fixed point installation is inconvenient to adjust and install according to actual environment, thereby causing the poor problem of installation applicability and flexibility.

The peep-proof display screen with the shielding structure comprises a computer body and an installation plate, a peep-proof film is installed at the bottom end of the installation plate, installation blocks are evenly installed at the top end of the peep-proof film, installation grooves are evenly formed in the installation plate, the installation grooves are all connected with the installation blocks, and the shielding structure is arranged on the computer body. And a through hole is formed in the mounting block. The abutting block continuously moves upwards to make contact with one side of the moving block, in the continuous contact process, the moving block and the first anti-skid protrusion make contact with one side of the computer body, and therefore contact fixation of the first anti-skid protrusion and the moving block with one side of the computer body is achieved, and it is avoided that when a computer is moved, the first anti-skid protrusion and the moving block make contact with one side of the computer body. In addition, after the peep-proof film is fixed, a small hand plate can be placed at the top end of the mounting plate through an anti-skid pad, the decoration and attractiveness effects are achieved, the placing stability of the hand plate is improved, and the practicability of the peep-proof film is improved.

The invention relates to the technical field of filters, and discloses a sectional type filter which comprises a transmission assembly, the outer wall of the transmission assembly is slidably sleeved with a combination assembly, and cleaning assemblies are fixedly assembled on the two sides of the combination assembly. When the filter plates are automatically replaced, the liquid circulation efficiency of the filter plates located at the first circulation groove is reduced due to long-time filtration, so that the liquid pushing force on the filter plates is increased, the liquid flow rate at the first baffle plate is reduced, and the liquid pushing force on the filter plates is larger than the liquid filling force in the inner cavity of the liquid telescopic rod; at the moment, the filter plate drives a first sliding pipe through a second sliding pipe to move along one end, close to the supporting plate, of a first conveying pipe; at the moment, the gear located on the left side is meshed with the first rack, the two sets of gears are synchronously driven through a conveying belt arranged in an inner cavity of the connecting plate, and the gears are meshed with the second rack, so that the push rod drives the filter plate to move leftwards through the guide plate mechanism.

The present application relates to the technical field of valves, and discloses a hydraulic needle valve, which comprises a valve body, a feed pipe and a discharge pipe are provided on the valve body, a cavity is provided in the valve body, a feed hole is provided on the feed pipe, a discharge hole is provided on the discharge pipe, and a blocking structure is provided in the valve body; a mounting ring groove is provided on the inner wall of the discharge hole, the blocking structure comprises a valve seat arranged in the mounting ring groove, and a locking structure connecting the valve seat and the discharge pipe is provided between the valve seat and the discharge pipe; a through hole is provided on the discharge pipe, and the locking structure comprises an operating ring rotatably connected to the outside of the discharge pipe and a locking rod penetrated in the through hole, an operating groove is provided on the operating ring, an operating block is provided in the operating groove, the operating groove comprises a first operating surface and a second operating surface along the circumferential direction of the operating ring, the bottom wall of the operating groove comprises adjacent guide surfaces and locking planes, the spacing between the guide surface and the axis of the operating ring gradually decreases along the end surface close to the second operating surface, and a locking groove is provided on the valve seat. The present application has the effect of reducing the maintenance cost of the valve.

The utility model provides a 3D printing liquid tank device which comprises a liquid tank, a rectangular opening is formed in the bottom in the liquid tank, UV coated quartz glass is inserted in the rectangular opening and fixed in a supporting frame, the supporting frame is arranged at the bottom of the liquid tank, a plurality of lower small holes are evenly formed in the upper surface of the supporting frame, and the lower small holes are communicated with the rectangular opening. A plurality of protruding parts are evenly fixed to the bottom in the liquid groove, the upper surfaces of the protruding parts are sunken downwards to form rectangular grooves, a plurality of upper small holes communicated with the rectangular grooves are formed in the bottom of the liquid groove, the upper small holes are aligned with the lower small holes, rectangular blocks are inserted into the rectangular grooves, screw holes are formed in the lower surfaces of the rectangular blocks, and the screw holes are matched with the screw holes. The utility model has the following beneficial effects: a part with the processed screw hole is in inserted connection with the liquid tank, the whole liquid tank is prevented from being discarded due to the damage of the screw hole, and the resource waste is reduced.