44results about How to "To achieve the connection effect" patented technology

The invention discloses a full corrosion-resistant connection structure of a steel lining plastic composite pipeline, and belongs to the technical field of connection of the steel lining plastic composite pipeline. The structure comprises a corrosion-resistant ring sleeved on a non-meshing section of an external thread of a steel outer layer, a steel lining plastic composite pipe fitting consisting of a steel outer ring part and a plastic inner ring part, and a composite pipe consisting of the steel outer layer with the external thread, and a plastic inner layer, wherein the external thread consists of a meshing section and the non-meshing section; an annular cavity of which the inner wall is provided with an internal thread section is formed between the steel outer ring part and the plastic inner ring part; the pipe is in threaded connection with the pipe fitting; a solid hot melt adhesive is arranged in the annular cavity; when an alternating magnetic field is formed at the periphery of the joint of the pipe fitting and the pipe, the solid hot melt adhesive is in thread engagement with the steel outer ring part and in sealed connection with the end faces of the steel outer layer and the plastic inner layer; and the corrosion-resistant ring is in sealed connection with the non-meshing section of the pipe. After the scheme is adopted, the problem that the threads of the pipe and the pipe fitting are easily corroded and rusted is solved, and a full corrosion-resistant threaded connection effect is achieved.

The invention discloses a connection method for thick plate TiNi alloy and titanium alloy dissimilar materials. The connection method comprises the following steps that a TiNi alloy is subjected to acid pickling to the specified thickness; abrasive paper is used for grinding welded end faces of the dissimilar materials till the welded end faces are level; the position between the butt-joint materials is filled with Nb bars, and a clamp is used for fixing the welding materials; and finally the clamp and the welding materials are fed into an electronic beam equipment vacuum chamber together, electronic beams deviate to one side of a titanium alloy for welding, and a welding joint high in strength and good in comprehensive mechanical performance is obtained. According to the welding method, cracks generated by thick plate TiNi alloy and titanium alloy welding are eliminated; forming of Ti2Ni and other brittle intermetallic compounds is hindered; structure distribution is uniform, and grains are finer; and the strength of extension of the scanning welding joint reaches 551 MPa, the joint toughness is good, good comprehensive performance is achieved, and large engineering significance is achieved.

The invention discloses an adjustable connecting bolt set. The adjustable connecting bolt set comprises a bolt, a supporting sleeve, a threaded sleeve and an elastic piece; the supporting sleeve and the threaded sleeve are connected in a sleeve fit mode and are correspondingly connected with the bolt in a threaded fit mode, the supporting end of the supporting sleeve is exposed out of the threadedsleeve, moreover, the supporting sleeve and the threaded sleeve are in slidable fit in the axial direction and are in limiting fit in the circumferential direction, the elastic piece elastically abuts against the position between the supporting sleeve and the threaded sleeve in the axial direction, so that a gap between the two connected pieces is filled, and then the connecting effect is achieved without the connected pieces damaged. According to the adjustable connecting bolt set, the structure is simple, moreover, the gap between the two connected pieces can be matched in an axial elasticself-adaptive mode, so that the application range is wider.

The invention discloses a metal grinding machine, comprising a base, a support plate is fixedly connected to both sides of the top of the base, a cylinder is fixedly connected to one side of the support plate, and a cylinder is fixedly connected to an end far away from the support plate. The first splint, the bottom of the first splint is provided with a long hole, the inside of the long hole is provided with a second splint, the side of the second splint close to the cylinder is provided with a slot, the bottom of the surface of the first splint and There is a first groove on the side close to the cylinder; the invention achieves the effect of driving the movement of the first splint by setting the cylinder, the effect of storing the second splint through the long hole, and the effect of fixing the clamping block through the spring , through the block and slot, the effect of fixing the second splint can be achieved, and the effect of increasing the area of ​​the splint can be achieved through the first splint and the second splint, which can clamp metals of different sizes, which is convenient for users to adjust the splint of different sizes. metal for grinding.

The invention discloses chemical fiber-based spinning production equipment. The chemical fiber-based spinning production equipment comprises a spinning box, wherein a metering pump is arranged in thespinning box; the bottom of the spinning box is fixedly connected with a regulation and control box; an air injection box is arranged in the regulation and control box; the surface of a baffle plate is fixedly connected with a contraction spring; the bottom of the baffle plate is rotationally connected with a two-section plate; the bottom of a driven rod is fixedly connected with a cross rod; theside surface of the cross rod is connected with a bearing box in a sliding manner; a cutting rod is inserted into one side, far away from the cross rod, of the bearing box; one side, close to the bearing box, of the cutting rod is rotationally connected with an upper inclined rod; the side surface of the upper inclined rod is rotationally connected with a clamping rod; an air cylinder is arrangedat the bottom of the driven rod; and a winding wheel is arranged on the right side of the air cylinder. According to the chemical fiber-based spinning production equipment disclosed by the invention,the regulation and control box is matched with the cutting rod, so that the effect of removing fiber silk yarns of flaw sections in a spinning process is realized.

The invention discloses a door unclosing alarm device for a refrigerator freezing chamber. The device comprises a cabinet body, an alarm device body, limiting plates, a travel switch, a travel shaft and a buzzer; one side of the cabinet body is connected with a cabinet door through a hinge, the alarm device body is arranged at the top end of one side, deviating from a hinge joint, of the cabinet body, and a limiting block is arranged at the top end of one side, deviating from the hinge joint, of the cabinet door; the travel switch, a battery box and the buzzer are arranged in the alarm devicebody, wherein the buzzer is arranged on one side, deviating from the cabinet door, of the alarm device body, and the travel switch is arranged at the upper end, close to one side of the limiting block, of the buzzer; and the limiting plates are arranged on two sides of the interior of the travel switch, the travel shaft is inserted into one side, deviating from the buzzer, of the travel switch, aspring is arranged on the outer wall of one side, deviating from the buzzer, of the travel switch, and the spring is connected to the travel shaft in a sleeving mode. According to the door unclosing alarm device for the refrigerator freezing chamber, a plurality of contacts are adopted, so that the working state of the alarm device body is clearer, and the situations that noise is caused by maloperation and the expected effect is not reached are prevented.

The invention belongs to the technical field of building accessories, and discloses a splicing assembly type building concrete prefabricated part. The splicing assembly type building concrete prefabricated part comprises a main plate, wherein fixing grooves are formed in the upper end and the lower end of one side of the main plate correspondingly, the tops of inner cavities of the fixing grooves are fixedly sleeved with fixing shafts, the outer surfaces of the fixing shafts are movably sleeved with rotating blocks, connecting devices are arranged on one sides of the rotating blocks, threaded sleeves are arranged on one sides of the connecting devices, an auxiliary plate is movably connected to one side of the main plate, mounting grooves are formed in the upper end and the lower end of one side of the auxiliary plate, and first springs are arranged on one sides of inner cavities of the mounting grooves. According to the splicing assembly type building concrete prefabricated part, rapid recovery of the connecting blocks can be achieved, threaded rods can be driven to rotate through movement of wedge-shaped blocks so as to be in threaded assembly with the threaded sleeves, a sliding rod is fixed through magnetic attraction of a first magnetic ball and a second magnetic ball, an original limiting and fixing mode can be converted into an elastic connection mode when encountering severe environments such as earthquakes, strong wind and the like, so that the damping and buffering effects are improved.

The invention belongs to the technical field of potted plant light supplement, in particular to an LED light supplement device for potted plants. According to the technical scheme, the device comprises a disc type LED light supplement lamp; the bottom end of the disc type LED light supplement lamp is connected with connecting devices; the device further comprises a lamp panel clamp arranged between the connecting devices, and fixing bases arranged at the bottom end of the lamp panel clamp; the bottom end of the lamp panel clamp is connected with a first lamp panel clamp through the connecting devices and a connecting rod; the bottom end of the first lamp panel clamp is connected with a second lamp panel clamp through the connecting devices and the connecting rod; a clamped object is connected between the fixing bases; a clamping groove is formed in the lamp panel clamp; and an LED light supplementing lamp is clamped in the clamping groove. The LED light supplement device for the potted plants has the beneficial effects that the number of lamp panel clamps can be increased or decreased according to requirements, installation and replacement are convenient, the flexibility is high, and the effect of guaranteeing uniform light supplementing is achieved.

The invention relates to the technical field of sewage treatment devices, and discloses a sewage treatment grating convenient to clean. The grating comprises a frame body, first mounting grooves are formed in the left side and the right side of the inner wall of the frame body, a second spring is fixedly mounted on the inner wall of each first mounting groove, a cross rod is movably connected to the side, away from each first mounting groove, of the second spring, a third spring is fixedly mounted at the top of the cross rod, a second hook is fixedly mounted at the top end of the third spring, a rotating shaft is movably connected to the top end of the inner wall of each first mounting groove, and a third hook is movably connected to the bottom end of the rotating shaft. Through cooperative use of the second hook, a structure of the second hook and the second spring, the effect of installing the cross rod on the frame body is achieved; and through cooperative use of an insertion block, a structure of the insertion block and a fourth spring, the effect of installing the vertical rod on the frame body is achieved. Compared with existing gratings, the grating is simpler and more convenient to install.

The invention discloses a village residential area land intensive utilization model, which is characterized in that a scouring mechanism, an anti-blocking mechanism and a seat assembly are respectively arranged on a sand table device of the village residential area intensive utilization model, and the three mechanisms are independently used or cooperatively used, so that the fatigue of a user caused by standing for use for a long time can be solved; in addition, the upper portion of the sand table is rotatable, a user can observe in all directions only by rotating the sand table, in addition, a flushing mechanism and an anti-blocking mechanism are arranged above the sand table, when building points above the device need to be replaced, sand above the device can be loosened through the flushing mechanism, it is avoided that caking is difficult to clean, and the device is convenient to use. An anti-blocking mechanism at the lower part can seep excessive water at the lower part, so that the incorrect proportion of water to sand is prevented, and the whole sand table is provided with a rotatable sand table bottom plate at the upper part and a double-layer fixed inclined plane frame capable of adjusting the height of the telescopic main shaft at the lower part; and the problem of rollover caused by unequal weight above when the position height of the sand table bottom plate is adjusted is avoided.

The invention discloses a wall holing waste liquid collection device and a construction method, and relates to the building decoration engineering. The device is provided with a container, a connecting part and a dredging device, side faceplates, a front faceplate and a back faceplate in the container are utilized to constitute a box type structure which is used for collecting holing waste liquid,meanwhile, an adhesive strip on the connecting part is utilized to be connected with a to-be-holed wall, a covering film I is utilized to perform anti-pollution protection on the device before mounting, a cavity channel, a front port, a reinforcing ring, a bonding ring, a covering film II and a slurry discharge hole are formed in the dredging device, by means of the reinforcing ring, the front port and the front end of the cavity channel are in sealing connection with the front faceplate wholly after being mounted, a rear port is fixedly connected with the back faceplate through the bonding ring and fixed with the to-be-holed wall through the bonding ring, overall connectivity of the device is ensured, meanwhile, the rear end of the cavity channel is sealed, the adhesive strip of the backfaceplate is also a layer of sealing structure, both connecting effect and sealing effect can be realized, by means of the slurry discharge hole, the waste liquid in the cavity channel is dredged toenter a collector for unified treatment, and therefore, the pollution problem of the waste liquid is effectively solved.

The invention discloses a spliced carpet. The carpet comprises a primary carpet and a secondary carpet; the primary carpet is clamped with the secondary carpet; a first adhesive sheet is arranged on the side surface of the primary carpet; a second adhesive sheet is arranged on the side surface, corresponding to the first adhesive sheet, of the secondary carpet; the side face of the secondary carpet is fixedly connected with a clamping rod, the side face of the primary carpet is provided with a first clamping groove corresponding to the clamping rod, the clamping rod is clamped with the first clamping groove, the bottom of the first clamping groove is provided with a second clamping groove, the bottom of the inner wall of the second clamping groove is provided with a magnetic sheet, and theupper surface of the primary carpet is provided with a through hole and a third clamping groove. According to the invention, the first adhesive sheet and the second adhesive sheet are arranged, so the effect of connecting the primary carpet and the secondary carpet is achieved; through arrangement of the clamping rod and the first clamping groove, the effect of clamping the primary carpet and thesecondary carpet is achieved; through arrangement of a supporting rod, a through hole, the second clamping groove, an iron sheet, a magnetic sheet, a connecting rod, a clamping block and a third clamping groove, the effect of clamping the primary carpet and the secondary carpet more firmly is achieved, the primary carpet and the secondary carpet can be well connected and fixed, and use is convenient.

The invention relates to the technical field of Internet-of-Things irrigation, and discloses an Internet-of-Things irrigation device which comprises a box body. The top of a spray seat is rotatably connected with a spray head, the box body is located at the right side of the spray seat and is connected with a pesticide box through a bolt, the top of the inner wall of the box body is connected with a motor through a bolt, and an output shaft of the motor is provided with a stirring mechanism. A fixing device is arranged on the surface of the box body, walking wheels are rotatably connected to the bottom of the box body, and a water inlet is formed in the position, located above the fixing device, of the surface of the box body. According to the Internet-of-Things irrigation device, an Internet-of-Things module is used for controlling the stirring mechanism and the fixing device to operate, the effect of automatically supplying pesticide fertilizer and irrigation water into the box body is achieved, meanwhile, the effect of stirring and mixing the pesticide fertilizer and the irrigation water while automatic supplying is achieved, and the problem that the health states of crops are inconsistent due to uneven mixing of the pesticide fertilizer is avoided; and the effect of integrally fixing and installing the box body is achieved through the fixing device.

The invention discloses a high-safety steel structure supporting beam structure for a building, and relates to the technical field of building steel structures. The high-safety steel structure supporting beam structure comprises a connecting box, a bottom beam plate and a top beam plate are correspondingly and movably arranged on the two sides of the connecting box, the bottom beam plate and the top beam plate are movably arranged through a connecting plate, a limiting mechanism is arranged on the surface of the bottom beam plate, a connecting mechanism is arranged in the connecting box, a positioning mechanism is arranged on the outer surface of the connecting box, and the limiting mechanism comprises a fixed limiting block and a movable limiting block. The connecting plate is arranged torotate anticlockwise to be in a vertical state, so that the connecting plate is perpendicular to the bottom beam plate and the top beam plate, then the movable limiting block moves, the bottom of themovable limiting block can be pressed and cross the limiting block, the movable limiting block and the fixed limiting block can jointly limit the vertical state of the connecting plate, and the limiting effect is achieved, so that the bottom beam plate and the top beam plate are stably fixed and supported.

The invention provides a storage and placement rack for automobile bearing bush finished products. The storage and placement rack comprises baffles, a drawer and a cabinet, wherein the baffles are arranged on the top of the cabinet, the baffles are fixedly connected with the cabinet, the drawer is arranged on the surface of the cabinet, the drawer is embedded into the cabinet, the drawer is in sliding connection with the cabinet, inward grooves are embedded and connected to the inner sides of the baffles, one inward groove is formed every two baffles, plate grooves are fixedly connected to theinteriors of the inward grooves, and fixed blocks are in sliding connection with the surfaces of the plate grooves. A plurality of fixed blocks are arranged and are respectively distributed in the grooves of the placement rack, and the fixed blocks are in sliding connection with the plate grooves, so that the fixed blocks slide in the plate grooves; the plurality of fixed blocks are arranged andare respectively distributed in the grooves of the placement rack, so that multiple bearing bush placement spaces are provided, and the storage and placement rack has practicability, is suitable for production and use of the storage and placement rack for the automobile bearing bush finished products and has good development prospects.

The invention belongs to the technical field of shear walls, and particularly relates to a reinforced concrete frame shear wall reinforcing structure. The reinforcing structure comprises a reinforced concrete outer frame and further comprises a shear wall arranged on the inner wall of the reinforced concrete outer frame, internal corner blocks connected to the periphery of the shear wall and a reinforced concrete inner frame arranged in the shear wall, the outer wall of the reinforced concrete outer frame adheres to outer wall bricks, and the inner wall of the shear wall is connected with the reinforced concrete inner frame. According to the reinforcing structure, the effects that the stability of the reinforced concrete outer frame and the shear wall is improved, and the reinforced concrete outer frame and the shear wall are prevented from collapsing due to long-time external pressure are achieved, and the effects that the stability of the whole structure is improved, the compressive resistance of the whole structure is improved, and the service life of the whole structure is prolonged are achieved.

The invention discloses a construction site 5G solar video monitoring device, which comprises a camera, a TF card is installed in the camera, the camera is connected with a POE module through a network cable, the POE module is connected with a 5G CPE through a network cable, the 5G CPE is connected to a router through an L2TP protocol by means of a 5G base station, the router is connected to a switch through a network cable, and the switch is connected to a power supply through a network cable. The switch is connected with a video server, a storage device and a PC through network cables, the camera is connected with a transformer through a network cable, and the transformer is connected with the solar panel. According to the invention, the camera is accessed to the video monitoring network through the 5G CPE; after the 5G card is connected to the 5G base station, the switch which is connected to the video monitoring system through the router is accessed by using the L2TP protocol, so that the effect of video server connection is achieved.