23results about How to "Reduce connection strength" patented technology

The invention discloses a connecting piece of a communication iron tower, and belongs to the field of connecting pieces, the connecting piece comprises a tower body, a maintenance platform is installed on the tower body, a plurality of annularly distributed mounting racks are installed on the maintenance platform, each mounting rack is connected with a communication antenna through a plurality of connecting piece main bodies, each connecting piece main body comprises an upper connecting plate, and a lower connecting plate is installed on the upper connecting plate. A rotating shell is fixedly installed on the lower surface of one end of the upper connecting plate, by arranging a locking piece and a matching sleeve piece, when a second rotating piece is driven to rotate, the second rotating piece can descend along a sliding sleeve at the same time, and then the second rotating piece can push the locking piece; when the locking piece is pushed, the locking piece can be matched with the matching sleeve piece to clamp the surface of the mounting frame so as to achieve fastening, when the communication antenna is blown by wind to swing back and forth, self-locking can be achieved, the faster the airflow changes, the larger the wind power is, connection can be firmer, the loosening probability is reduced, the overhaul frequency is reduced, and the workload of workers is reduced. The use is convenient.

The present application provides a test device for testing the impermeability of concrete, which relates to the technical field of testing the impermeability of concrete, including a test table detachably connected with an assembly barrel for carrying the test concrete, the assembly barrel having a first placement groove, the first placement groove being sleeved with a first sealing sleeve, the assembly barrel having a second placement groove at one end away from the first placement groove, the second placement groove being slidably connected with a plurality of locking baffles, the surface of the locking baffle being sleeved with a second sealing sleeve, the locking baffle moving toward the test concrete when the assembly barrel abuts, and pushing the second sealing sleeve. The present application can reduce the probability of the sealing sleeve sleeved on the concrete specimen being offset when testing the concrete specimen.

The present invention provides a tunnel construction method using laser rock breaking, comprising: step S110: using laser to cut the tunnel face along a preset trajectory, so that the tunnel face forms a concave-convex rock mass with a cut to be squeezed; step S120: using an extrusion device to squeeze the concave-convex rock mass from the cut to be squeezed, so that the concave-convex rock mass breaks and falls off; step S130: repeating steps S110 to S120 until a preset excavation depth is reached. The present invention uses laser to replace the tool, and the laser destroys the rock in the form of thermal fragmentation, melting and gasification, so that a concave-convex rock mass is formed on the tunnel face, and the integrity and connection strength of the tunnel face are greatly reduced, and then the extrusion device is used to squeeze the concave-convex rock mass to break and fall off. The present invention abandons the traditional metal tool rock breaking method, fundamentally solves the problem that the metal tool of the tunnel boring machine is very prone to abnormal damage when cutting rock, improves construction efficiency, and saves high tool costs.

The invention discloses a novel shock insulation and absorption hybrid control structure system, and belongs to the technical field of constructional engineering. The novel shock insulation and absorption hybrid control structure system comprises a shear wall fixed to a foundation, a frame is installed on the foundation through a shock insulation support, a set of gap dampers are arranged between the frame and the shear wall, and a corrugated steel plate is further arranged between the frame and the shear wall. The frame is separated from the shear wall, only the frame is subjected to seismic isolation design, meanwhile, the shear wall is fixed to the foundation and serves as a limiting device of the frame structure, and the gap damper is arranged between the frame and the shear wall, so that graded response to the seismic action is achieved. The overall anti-seismic property of the structure is remarkably improved, and the safety of a building under extreme conditions is enhanced.

The invention relates to a tray mechanism. The tray mechanism comprises a stand column, a tray assembly, a supporting assembly and a locking piece. Wherein the tray assembly is used for placing related equipment. The supporting assembly is movably arranged on the stand column and used for supporting the tray assembly. The locking piece is used for fixing the supporting assembly to the preset position of the stand column. At the moment, the supporting assembly is movably arranged on the stand column and supports the tray assembly, the supporting assembly can drive the tray assembly to move, then an operator can conduct adaptive adjustment on the position of the tray assembly according to the requirement of the operator in the using process, and therefore the practicability of the overall structure of the tray mechanism can be effectively improved.

The invention discloses an underwater deep-layer oil production device in the technical field of connecting an oil production pipeline with an underwater wellhead, comprising a main pipe: a trigger ring, a valve seat and a valve core, wherein the outer ring of the valve core and the inner ring of the valve seat are both provided with chamfers that match each other; fasteners are arranged in a circular array in the main pipe; a rubber ring for connecting the fasteners; a tightening angle for bringing the fasteners closer together; a limit ring for limiting the maximum height of the fasteners falling; a drive ring fixed to the bottom of the valve seat; a synchronous slide rod slidably arranged in the trigger ring, and both ends pass through the trigger ring; a clamp structure for fixing the limit ring; in the present invention, when the main pipe and the internal structure are installed on the wellhead device, they can play a role in preventing blowout, and after the connecting pipe is inserted, the connecting pipe is pushed outward by pressure, the fasteners are tightened, the clamping of the connecting pipe is reinforced, the connection strength of the connecting pipe is reasonably controlled, rapid installation is achieved, and the time consumed in installation is reduced, thereby ensuring the safety of construction personnel and the cost of mining.

The utility model relates to the technical field of new energy batteries, and discloses a battery box body and a battery pack, the structural strength of the frame corners of the battery box body is high, so that the connecting seams of the frame corners are not easy to crack, the overall reliability of the battery box body is better, and the battery box body can meet the use requirements. The battery box body comprises a frame and a reinforcing piece, at least one corner part of the frame comprises a first surface, a second surface and a third surface which are connected in sequence, at least one of the first surface, the second surface and the third surface is provided with a connecting seam, and the reinforcing piece wraps at least part of the outer surfaces of the first surface, the second surface and the third surface.

The utility model relates to the technical field of batteries, and discloses a battery module which comprises a battery cell, a buffer structure and colloid, the plurality of battery cells are arranged side by side along a first direction, and each battery cell is provided with two first side surfaces which are oppositely arranged along the first direction; a buffer structure is arranged between two adjacent battery cells, a glue injection groove is formed in the buffer structure, a buffer groove is defined by the buffer structure, and the first side surfaces of the two adjacent battery cells are arranged at intervals through the buffer groove; the colloid is arranged in the glue injection groove, and the first side faces of the two adjacent battery cells are bonded through the colloid. According to the utility model, the buffer groove is arranged to provide a buffer space for the expansion of the battery cell in the circulation process, so that the expansion of the battery cell in the circulation process can be borne by the buffer groove, and the circulation attenuation caused by overlarge internal pressure due to overlarge expansion in the later period of the battery cell circulation is avoided; the glue injection groove is formed in the buffer structure, so that the pouring space of the glue is limited, the glue is prevented from occupying the buffer space, and the structural strength of the battery module is enhanced.

The utility model discloses a kind of assembling toy connecting structures, including first connecting piece and second connecting piece, it is characterized by: first connecting piece is equipped with convex structure, the outer surface of convex structure is formed with first wave-shaped step;Second connecting piece is equipped with recess structure, the inner surface of recess structure is provided with the second wave-shaped step matched with first wave-shaped step;Wherein, convex structure and recess structure are mutually matched lock to realize the detachable connection of first connecting piece and second connecting piece, when first connecting piece rotates relative to second connecting piece, first wave-shaped step and second wave-shaped step produce mutual force, make the lock of convex structure and recess structure cancel, to make first connecting piece and second connecting piece separate each other. The assembling toy using the connecting structure, simple structure, when disassembling separation, it is easy to save labor, easy for children to use.

The utility model relates to the technical field of connecting seats, in particular to a TYPE-C connecting seat, which comprises a connecting plug. A connecting assembly is arranged on the outer side of the connecting plug, the connecting assembly comprises a protective sleeve, the protective sleeve is arranged on the outer side of the connecting plug in a sleeving mode, a limiting assembly is arranged on the connecting plug, the limiting assembly comprises limiting rods, the limiting rods are rotationally connected to the two sides of the interior of the protective sleeve, and limiting blocks are fixedly connected to the two ends of the inner side of each limiting rod. The connector can be limited through the arranged limiting assembly when the connector is connected, so that the connector can be limited and fastened with a shell or a protective sleeve of the connecting assembly when the connector is connected, the connecting strength between the connector and the connecting plug is reduced, and the service life of the connecting plug is prolonged; and the connecting plug is prevented from being damaged under the pulling of the connector or the connector is prevented from falling off from the connecting plug.

The application belongs to the field of fruit and vegetable processing, and relates to a hawthorn whole fruit processing technology combining ultrasonic-assisted enzymatic hydrolysis and vacuum freeze-drying. The hawthorn whole fruit is pretreated by adopting ultrasonic-assisted multi-enzyme gradient processing technology, the cooperation of cellulase, pectin lyase and rhamnose galacturonide lyase is used to regulate the cell wall structure, and high-quality freeze-dried hawthorn products are prepared by combining the vacuum freeze-drying technology, and the changes of texture characteristics, microstructure, physical properties and nutritional quality are analyzed. The results show that compared with fresh fruit, the total phenol content (22.73 mg / g), total flavonoid content (6.28 mg / g) and vitamin C content (2209.08 mu g / g) of the freeze-dried hawthorn per unit mass are significantly improved (P<0.05), and the nutritional ingredients such as citric acid, malic acid and B vitamins are also well retained. The technology effectively improves the problems of high hardness and insufficient crispness of traditional freeze-dried hawthorn by combining multi-enzyme and ultrasonic, and provides a theoretical basis for high-quality processing and functional product development of hawthorn.

The utility model discloses a three-dimensional bag which comprises a bag body with a containing cavity and a handle arranged at an opening of the bag body, a handle penetrating hole is formed in the position, close to one side of a bag opening, of the side wall of the bag body and corresponds to the end portion of the handle, and the end portion of the handle penetrates through the handle penetrating hole from one side of the side wall of the bag body and extends to the other side of the side wall of the bag body. And the handle is connected with the other side surface of the side wall of the bag body. Moreover, in the height direction of the bag body, a connecting area is formed between the handle through hole and the upper edge of the side wall of the bag body, the connecting area has a preset height in the height direction, and the ratio of the preset height to the height of the bag body is within the range of 1: (6-12). On one hand, the connecting part of the handle and the bag body moves downwards from the easily-worn edge of the bag opening, so that the connecting stability of the handle and the bag body is improved, and normal use of the three-dimensional bag and safe loading of articles are guaranteed; on the other hand, the connecting area can be used for installing accessories for closing the bag opening, a head clamp or a decorating part for enhancing the edge strength of the bag opening and the like.

The invention relates to a sectional type separation hood which comprises a base, a hood body, a protective cover, a fastener, a locking mechanism, an exploder and an annular energy-gathered cutting rope. The base, the head cover and the protective cover are all of shell structures and are coaxially mounted; the hood front section is of a conical structure, the hood middle section is of a cylindrical structure, the large-diameter end of the hood front section is connected with the hood middle section, and the hood middle section is arranged on the peripheral face of the base front section in a sleeving mode and fixedly connected with the base front section through a plurality of locking mechanisms; the shield is sleeved in the head cover, and the shield rear section is fixedly connected with the head cover middle section through a plurality of fasteners; the annular energy-gathered cutting rope is circumferentially fixed to the inner circumferential face of the tail end of the head cover front section and used for cutting off connection between the head cover front section and the head cover middle section, the locking mechanism loses efficacy under the separation counter-acting force, the shield and the head cover middle section and the head cover rear section move backwards relative to the base, and the inner circumferential face of the head cover rear section is fixedly connected with the outer circumferential face of the base middle section in a clamped mode and limited by the front end face of the base rear section. The occupied space and the mass are reduced to the maximum extent.

The invention discloses an efficient lotus root picking machine, which relates to the technical field of crop picking and comprises a machine body, a moving mechanism arranged at the bottom of the machine body and capable of driving the machine body to move, a conveying line arranged at one end of the machine body, a bucket arranged on one side of the conveying line, and a flushing device arranged on the machine body and capable of flushing substances on the conveying line. The scraper assembly is arranged between the bucket and the flushing device and above the conveying line, a scraping and conveying area is formed between the scraper assembly and the conveying line, the collecting frame is arranged on the side, away from the bucket, of the machine body, and the cockpit is arranged on the side, close to the bucket, of the machine body. According to the efficient lotus root picking machine, digging, transporting and cleaning of lotus roots with soil can be achieved through cooperation of the bucket, the conveying line and the flushing device, so that the integrity of the lotus roots is guaranteed, meanwhile, efficient separation of the lotus roots and the soil is achieved, follow-up selection is facilitated, and then efficient picking of the lotus roots is achieved.

The present invention provides a steel pipe chassis finishing equipment and method, which includes: a positioning mechanism, which includes a push assembly and a support assembly, the push assembly includes a first top plate and a second top plate, the support assembly is arranged between the first top plate and the second top plate, and moves up and down along the height direction of the positioning mechanism; a clamping and rotating mechanism, which drives the steel pipe to be processed to rotate around its axis; a heating mechanism, which includes a heating spray gun and a temperature sensor; a grinding mechanism, and the grinding mechanism includes a grinding wheel. The coordination degree between the various mechanisms in the present invention is high, and it can carry out comprehensive and thorough finishing treatment on the steel pipe chassis in a targeted manner. Compared with the existing conventional grinding equipment, the present application can drive the steel pipe to rotate as a whole, and in this process, it can cooperate with the heating treatment and grinding treatment respectively to reduce the processing dead angle, and has high positioning accuracy and clamping stability. In addition, the present application also has significant advantages such as strong compatibility, high processing efficiency and good processing quality.

The electromagnetic retarding clutch comprises a shell body with a first space, one end of the shell body is provided with an impeller, the axis of the impeller is a first axis, the extension direction of the impeller is a first direction, and the impeller can rotate around the first axis; the driving mechanism is used for driving the impeller to rotate and comprises a driving disc and a first driving assembly, and the driving disc rotates to drive the first driving assembly and the impeller to rotate; the device further comprises a belt pulley set, the belt pulley set drives the driving mechanism to rotate, the belt pulley set comprises a belt inner wheel and a belt outer wheel, a magnetic isolation ring piece is arranged for connecting the belt inner wheel and the belt outer wheel, and a first gap is formed between the magnetic isolation ring piece and the driving disc. According to the scheme, the magnetic isolation ring piece is arranged to connect the belt inner wheel and the belt outer wheel, the first gap is formed between the magnetic isolation ring piece and the driving disc and does not make contact with the driving disc, the situation that the connecting position of the magnetic isolation ring piece and the belt wheel set is abraded due to contact of the magnetic isolation ring piece and the driving disc is avoided, and the situation that the connecting strength of the magnetic isolation ring piece is reduced is avoided; the belt pulley set is not easy to break and can be used for a long time.

This utility model belongs to the field of EMC grounding structure, specifically disclosing an EMC grounding terminal and its components. The EMC grounding terminal includes a grounding conductor and a connecting block for interference fit on the inner wall of a conductive housing. The grounding conductor has pins for conductive connection to a circuit board, and the connecting block has a protrusion. The grounding conductor passes through the protrusion and is connected to the connecting block. The inner edge of the grounding conductor has several first deformation portions, which are interference fit with the outer peripheral surface of the protrusion. The outer edge of the grounding conductor has several second deformation portions for interference fit with the inner wall of the conductive housing. The EMC grounding assembly includes a conductive housing, a circuit board, and the aforementioned EMC grounding terminal. This solution can achieve a grounding terminal that reduces space occupation, ensures connection strength, and obtains good EMC performance.

The present disclosure provides a semiconductor device manufacturing method. The semiconductor device manufacturing method comprises the following steps: providing a semiconductor substrate, then forming a capacitor structure above the semiconductor substrate, and forming an interlayer dielectric layer above the capacitor structure. The present disclosure processes the interlayer dielectric layer as follows: first processing the interlayer dielectric layer to form a plurality of columnar protrusions on the interlayer dielectric layer; second processing the interlayer dielectric layer to reduce the height of the columnar protrusions; and finally, chemically mechanically polishing the interlayer dielectric layer to make the upper surface of the interlayer dielectric layer flush, thereby achieving the effect that the upper surface of the interlayer dielectric layer is planarized. In the present disclosure, the first processing can be dry etching, and the second processing can be wet etching. Compared with the prior art, the technical solution provided by the present disclosure can effectively eliminate the step height difference between different positions on the device while protecting the interlayer dielectric layer that needs to be reserved.

The utility model discloses an audio and video equipment, including the frame and install the panel of frame one end, be equipped with first fixed mechanism and take the power board on the frame, be equipped with second fixed mechanism and be used for with the power board of taking the power of inserting to take the power and connect the power board, first fixed mechanism includes first magnetic attraction subassembly, second fixed mechanism includes the second magnetic attraction subassembly for with first magnetic attraction subassembly magnetic attraction cooperation. The utility model discloses an audio and video equipment has simple structure, and the advantage that dismounts convenient and reliable.

The invention relates to an effluent recoverable throwing cover which comprises a base, a head cover, a protective cover, an annular energy-gathered cutting rope, an exploder, an effluent sensor and a floating body structure. The base, the head cover and the protective cover are all of shell structures and are coaxially mounted; the front hood section is of a conical structure, the rear hood section is of a cylindrical structure, the large-diameter end of the front hood section is connected with the rear hood section, and the rear hood section is fixed to the peripheral face of the front base section in a sleeving mode; the protective cover is sleeved in the head cover, the outer peripheral surface of the protective cover front section is bonded with the inner peripheral surface of the head cover front section, the protective cover rear section is fixedly connected with the head cover rear section, and the protective cover rear end surface is not in contact with the front end surface of the base; the water outlet sensor is arranged at the rear section of the head cover; the floating body structure is filled and fixed at the front section of the hood; the annular energy-gathered cutting rope is fixed to the tail end of the head cover front section and used for cutting off connection between the head cover front section and the head cover rear section, and the head cover front section and the floating body structure are separated to fall into water and float in water as a whole. The structure is simple, and the front section of the hood floats in water together with the floating body structure after being separated, so that recycling is convenient.

The utility model provides a new energy vehicle battery PACK box body belongs to battery PACK box body technical field, include PACK lower box body ontology still include: protection mechanism, protection mechanism includes the upper plate fixed in PACK lower box body bottom, the bottom fixed connection ring of upper plate, the bottom fixed lower plate of connection ring, the thickness of upper plate is greater than the thickness of lower plate, the utility model discloses through setting upper plate, lower plate and connecting strip, upper plate is fixed in PACK lower box bottom, lower plate is fixed in lower plate bottom through connecting strip, when the knock, lower plate deformation, the buffer cavity is formed between upper plate and lower plate, and the buffer cavity is used to accommodate the deformation of lower plate when being knocked, and is influenced by the thickness of upper plate is greater than the thickness of lower plate, when the lower plate is deformed and is pressed against the upper plate, the upper plate of greater thickness can also effectively resist the greater deformation of the lower plate, greatly reduce the influence to the liquid cooling plate and battery in the PACK lower box body ontology, thereby improve the protection ability to the liquid cooling plate and battery.

The utility model relates to a wire tube fixing support, which comprises a supporting part, which is provided with a first side part and a second side part, and at least the first side part faces a wire tube when the wire tube is stabilized; the fixing part is connected with the second side part of the supporting part, and the supporting part is installed at a preset position through the fixing part; wherein a connecting assembly is arranged on the first side part of the supporting part, and the wire tube is located on the supporting part through the connecting assembly. According to the wire pipe fixing support, under the action of the supporting part and the fixing part, the wire pipe can be downwards located on the supporting part, the effective vertical supporting effect on the wire pipe is achieved, meanwhile, shaking of the wire pipe in the horizontal direction can be effectively restrained, the overall stability of the wire pipe is improved, and the service life of the wire pipe is prolonged. The connection strength at the connection position of the cut tobacco pipeline is prevented from being reduced, the air leakage risk caused by shaking of the cut tobacco pipeline can be effectively eliminated, and the cut tobacco conveying efficiency can be improved.

The present invention discloses a disposable sealed barrel cover, which includes a cover body having a ring side wall and a top wall, a positioning tube located on the inner side of the top wall and integrally formed with the top wall, and a sealed inner cover connected to the positioning tube by secondary injection molding or ultrasonic welding. This new structural form of disposable drinking water barrel cover changes the structure of the traditional sealed inner cover and the positioning tube being molded in one piece, and sets the sealed inner cover and the positioning tube to be connected in one piece by secondary injection molding to form a sealed structure, which reduces the connection strength between the sealed inner cover and the positioning tube, making it easy to poke open the sealed inner cover, making it easy for the top rod of the water dispenser to poke through the barrel cover when changing water, avoiding a greater impact force from hitting the water dispenser, protecting the structure of the water dispenser, and extending the service life of the water dispenser. The present invention also discloses a drinking water barrel, which includes the above-mentioned disposable sealed barrel cover, which avoids impact and protects the water dispenser.