38results about How to "Unable to fall off" patented technology

The invention provides a stamping and molding process of automobile roof covers. In a process of drawing and forming, a flanged hole is formed in a blank line; the flanged hole can be used as a positioning hole in the subsequent process; the position of the flanged hole can be used as waste and cut in the subsequent process. The invention also provides a stamping die. The stamping and molding process of the automobile roof covers can improve the positioning accuracy in the process of stamping and molding the automobile roof covers.

The invention relates to construction prefabricated members and manufacturing methods thereof and in particular relates to a prefabricated thermal insulation laminated wallboard with a spatial three-dimensional structure. The prefabricated thermal insulation laminated wallboard comprises a thermal insulation body (2) on the outer layer and a prefabricated laminated wall on the inner layer, wherein the thermal insulation body (2) sequentially comprises an inner reinforcing plate (2a), a thermal insulation layer (2b) and an outer reinforcing plate (2c) from interior to exterior; the inner reinforcing plate (2a) is inwards provided with a three-dimensional fiber rod net rack (1) and is embedded into an outer prefabricated layer (3); the prefabricated laminated wallboard consists of the outer prefabricated layer (3), an outer longitudinally and transversely stressed steel bar plane rack (4), lattice reinforcements (5), an inner prefabricated layer (6) and an inner longitudinally and transversely stressed steel bar plane rack (7); a meshed bracing bar (1b) and a planar mesh fabric (1a) are connected to stretch into the inner reinforcing plate (2a) and are repeatedly inserted into the inner reinforcing plate (2a), the thermal insulation layer (2b) and the outer reinforcing plate (2c) in a large scale; and the thermal insulation layer and the structural layer are connected together through a three-dimensional space structure. The problems of cracks and water leakage of the thermal insulation system are solved, the energy-saving effect is good, the service life of the insulation board is prolonged, and the problem that the outer thermal insulation layer of the outer wall needs to be frequently maintained and replaced is solved.

The invention relates to a preparation method of surface wear-resistant coating for nodular cast iron. The preparation method comprises the following steps: 1, performing aluminizing treatment on a nodular cast iron workpiece, and cooling to obtain an aluminized workpiece, wherein the aluminizing temperature is 780-850 DEG C and heat is preserved for 2-5h at the temperature; 2, performing high-temperature oxidation treatment to the aluminized workpiece obtained in the step 1, wherein the high-temperature oxidation temperature is 900-1000 DEG C and heat is preserved for 2-5h at the temperature.By the preparation method combining the aluminizing treatment and the high-temperature oxidation treatment, the problems that the bonding strength between a wear-resistant layer and a substrate is low and preparation of coating for a workpiece with relatively small volume and having an inner wall is difficult can be solved.

The invention discloses a magnetic tool, which comprises a magnetic body, wherein the magnetic body is embedded into a shielded casing with an opening in the bottom end; a pull rod is connected with the top of the shielded casing; the diameter of the opening in the bottom end of the shielded is smaller than that of the bottom end of the magnetic body. According to the invention, the magnetic field of the magnetic body is shielded except that of the bottom end, so that the magnetic body can effectively, completely and quickly attract a great amount of scraps, drosses, and other small iron castings in a narrow and small space such as a deep hole or a groove with a strong force; the reliability is good; moreover, the magnetic body can be reliably and stably embedded into the shielded casing, so that the structural strength is high, the magnetic body cannot fall off from the shielded body however big the attraction force between the magnetic force and the metal part is, the probability of failures is low, the practicability is strong, and the service life is long.

The invention discloses a reinforced water conservancy protection device. The reinforced water conservancy protection device comprises a bottom plate, vertical rods and stand rods, wherein the two vertical rods are installed at the top of the bottom plate, the stand rods are installed at the tops of the vertical rods, an equipment box is installed at the top of the bottom plate, two protruding blocks are installed on the outer wall of the side, away from the equipment box, of the bottom plate, a rotating rod is installed on the front face of one protruding block, a protection structure is installed on the outer surface of the rotating rod, a loading box is installed on the outer wall of the side, away from the bottom plate, of the protection structure, and two edge closing rods are installed on the outer surface of the rotating rod. According to the reinforced water conservancy protection device, whether a person exists on the surface of the protection structure or not can be inducted through an installed infrared inductor, the infrared inductor is electrically connected with an alarm and can induct alarm, an elastic piece and an abutting plate are extruded into a through hole, then an extrusion screw is installed, firm connection between devices can be facilitated, and the device can adjust the included angle between the protection structure and the bottom plate according to the inclination angle of a dam.

The invention relates to a filtering connector with an electromagnetic compatibility effect, belongs to the technical field of electromagnetic compatibility devices of space limited systems, and solves the problem that an existing shielding processing device cannot meet CE102 and RE102 index requirements of system-level electromagnetic compatibility. The filtering connector comprises a filtering connector body, a filtering assembly, a dustproof unit and a sealing unit, wherein the filtering assembly, the dustproof unit and the sealing unit are integrated on the filtering connector body. The filtering connector body comprises a shell, a mounting plate, a contact element assembly and a printed board, wherein the mounting plate is arranged in the shell, the printed board is arranged at the top end of one side of the shell, the contact element assembly is arranged on the mounting plate, the filtering assembly is arranged on a flange plate outside the shell, the contact element assembly isprovided with first to fourth point contact elements, and the filtering assembly is connected with the first to fourth point contact elements through the printed board and wires. According to the invention, the filtering assembly is integrated on the connector of a limited space system-level cable, so that the power supply filtering function is realized.

The invention discloses a flexible belt assembly line. The flexible belt assembly line structurally comprises a motor, a working box, a conveyor, a support and a base, wherein the motor is arranged on the working box and movably connected to the working box, the base is arranged at the bottom of the working box and movably connected to the working box, the support is installed at the bottom of the conveyor and connected to the conveyor, the conveyor is provided with a belt, an operator, a rotating roller, contact blocks and supporting rollers, wherein the supporting rollers are arranged on the outer edge of the rotating roller, the supporting rollers are movably connected to the rotating roller, and the contact blocks are installed on the supporting rollers. According to the flexible belt assembly line, when the rotating roller rotates, sliding shafts of knocking blocks slide along a sliding cavity and knock a sealing layer constantly, the clamping contact faces of clamping materials clamped by the supporting rollers and the supporting rollers to generate vibration, the materials are shaken off through the shaking force of beating, and the materials cannot be easily clamped in gaps of the supporting rollers.

The invention discloses an industrial printer convenient to repair. The industrial printer comprises a printer body and an ink box, wherein a bin door is connected to the right side of the printer body through a hinge, an operation cavity, a first cavity, a second cavity and an ink box bin are formed in the printer body, a first spring is welded to the left wall of the second cavity, and a top rodis welded to the right end of the first spring. According to the industrial printer, when the ink box needs to be dismounted, a user only needs to press the operation rod leftward, and when a secondlimiting rod is separated from a limiting slot, the ink box is popped out rightwards by virtue of the pressure of the first spring; when the ink box needs to be mounted into the printer body, a user only needs to adjust an ink box limiting slot to face upwards, insert the ink box into the ink box bin and press leftwards until the second limiting rod is inserted into the limiting slot, and then theink box is unlikely to be separated from the printer body; and by virtue of the bin door on the right side, the ink box and the operation rod part cannot be directly touched from the outside, so thatthe situations that the ink box is separated due to accidental touch, and the like are avoided.

The invention discloses a connector anti-loosening structure for an underground high-temperature-resistant and high-voltage-resistant cable, and relates to the technical field of cable laying and mounting equipment. The connector anti-loosening structure comprises a cable connector body, wherein the surface side wall of the cable connector body is sleeved with a mounting ring, storage plates are fixed to the left side wall and the right side wall of the mounting ring, storage openings are formed in the side walls, which are close to the mounting ring, of the storage plates, baffles are arranged in the storage openings, an adjusting column is arranged between the mounting ring and a locking cap, a movable hole is formed in the left side of the interior of the limiting hole, a movable rod is arranged on the right side of the adjusting column, clamping plates are fixed to the right ends of the movable rods, and movable plates are fixed to the left ends of the movable rods. According to the invention, the locking cap is abutted and blocked by the four clamping plates, the anti-loosening stability is improved, the movable plate moves in the movable hole, so that the distance of the clamping plates is adjusted, the adjustment work is carried out according to the position of the locking cap, the top plate is moved into the storage opening of the storage plate, and the mounting ring is conveniently detached and taken out from the cable connector body.

An anti-falling child swimming ring mainly comprises an airbag and a fixing piece. A storage pocket is arranged on the airbag, and holes are formed in the storage pocket; a water cup bag and a waterproof bag are arranged on the airbag, and a first buckle is arranged on the waterproof bag; the airbag is connected with safety rings and a backrest, and hook-and-loop fasteners are arranged on the safety rings; and a clamping groove is formed in the fixing piece, and second buckles are mounted on the fixing piece. The safety rings, the hook-and-loop fasteners and a cloth pocket are arranged, duringusing, legs of a child are inserted into the anti-falling child swimming ring through the two sides of the cloth pocket, thus the child can sit on the cloth pocket, arms of the child penetrate through holes in the safety rings, the safety rings are placed on shoulders of the child, the hook-and-loop fastener on one of the safety rings is attached to the hook-and-loop fastener on the other safetyring, thus the safety rings can protect the child, and the swimming ring cannot fall from the child; and the storage pocket can store certain toys, water or drinks for the child.

The invention discloses a convenient-to-mount lamp holder for a new energy bulb. The convenient-to-mount lamp holder comprises a contact plate, wherein a pressure spring is fixedly connected to the bottom of the contact plate; a base is fixedly connected to the bottom of the pressure spring; sliding blocks are arranged on the two sides of the pressure spring and are mutually rotatably connected with the contact plate through driving rods; fixing boxes are arranged at the top of the base; and a plurality of control blocks are arranged on the side walls, close to the pressure spring, of the fixing boxes in a surrounding mode. According to the convenient-to-mount lamp holder for the new energy bulb, the sliding blocks tend to move towards one side of the pressure spring, then the control blocks are pulled to move downwards, and clamping teeth are arranged on one sides of the control blocks and are mutually clamped with sliding teeth, so that the clamping teeth are fixed, then the controlblocks are fixed, and connecting clamping blocks are continuously attached to a connecting head to prevent the bulb from falling off; and the convenient-to-mount lamp holder for the new energy bulb has the advantages of being convenient to mount and dismount, improving mounting stability and preventing poor contact.

The invention relates to a pipe connecting and sealing device used in a small space, and the a pipe connecting and sealing device is particularly suitable for connecting and sealing of multiple pipes of a water purifying valve (faucet). The pipe connecting and sealing device comprises a valve body, a transition connector, a sealing ring, water pipes, a ratchet clamping plate and a locking casing pipe; the valve body is provided with pipe mounting holes, the pipe mounting holes are matched with the transition connector, and the valve body is provided with a thread matched with the locking casing pipe; the ratchet clamping plate is provided with clamping plate pipe mounting holes, and the ratchet clamping plate pipe mounting holes are internally provided with ratchets; when the pipes are installed into the valve body through ratchet clamping plate holes, inner holes of the pipes are sealed through the sealing ring and the transition connector, the transition connector is sealed through the sealing ring and the valve body, the ratchet clamping plate is provided with the 'ratchets', the ratchet holes are internally provided with 'barbs' so that the pipes cannot fall, and the ratchet clamping plate presses the pipes into the valve body and fix the pipe body through the locking casing pipe.

The invention discloses a steel-plastic composite drain pipe and a production method thereof, relating to a water pipeline, in particular to a drain pipe and a production method thereof. An inner pipe is formed by rotatably lapping a plate strip; and the steel-plastic composite drain pipe is characterized in that: the outer surface of the plate strip is provided with convex cavities or vertical ribs; section steel is paved among the cavities or vertical ribs, on the outer surface of the inner pipe; the cavity walls of two sides of each cavity or the vertical ribs are closely attached with thelateral surface of the section steel; two sides of the section steel are pressed in the plate strips; and the cavity walls of the upper parts of the cavities form an outer pipe of the drain pipe or are closely attached with the outer wall of the inner pipe. The production method of the steel-plastic composite drain pipe comprises the following steps of: forming the plate strip provided with the cavities or the vertical ribs, through extruding by using an extruder; enabling the plate strip to pass through a water jacket; simultaneously introducing air pressure to the cavities; enabling the cavities or the vertical ribs to deform through rolling by using a roller; and pressing two sides of the section steel at the plate strip. According to the invention, the cavities or vertical ribs are arranged on the outer surface of the inner pipe; after the section steel is laid, the cavities or the vertical ribs are closely attached with the section steel through rolling by using the roller; the two sides of the section steel are pressed in the plate strip with gluing; and the section steel is stably jointed with the inner pipe without falloff, therefore the quality of the pipe is greatly improved.

The invention relates to a cage winch lifting appliance which comprises a cross beam; a lifting plate which is arranged above the cross beam, wherein a lifting hole is formed in the lifting plate; a hoisting device which comprises a fixed unit installed on the cross beam, a moving unit detachably installed on the fixed unit and a hoisting belt, wherein in the length direction of the hoisting belt, the two ends of the hoisting belt are installed on the fixed unit and the moving unit respectively, and when the moving unit is detachably installed on the fixed unit, and the hoisting belt is folded to form a pocket part for bearing a disc; and a limiting piece which is arranged on the hoisting belt and is used for limiting the size of the opening of the pocket part. By arranging the fixed unit and the moving unit detachably installed on the fixed unit, the process of placing the disc on the hoisting belt is simple. Meanwhile, the limiting piece is arranged, the limiting piece can limit the size of the opening of the pocket part used for bearing the disc on the hoisting belt, the disc is prevented from falling off from the hoisting belt, and the hoisting process is safer.

The invention discloses a device for removing redundant gypsum on the surface of building materials, which comprises a machine case, a heat dissipation box, an operating table, a bottom box, a placement tank, a heat dissipation fan, a ventilation pipe, a sandblasting device, a storage box, a sliding rod, a spray groove, a conduit, and a booster. Pressure pumps, hot air blowers, air ducts, ducts, mixing boxes, spray pipes, nozzles and slide balls. The beneficial effects of the present invention are: by installing the storage box at the bottom of the cabinet, coarse sand is stored inside the storage box, and the storage box is connected with a sandblasting device, and the coarse sand inside the storage box is sprayed out by the sandblasting device, and the coarse sand and the added The compressed air flow is sprayed together to remove excess gypsum on the surface of building materials, thereby increasing the removal effect. The sandblasting device uses a hot air blower to provide sandblasting airflow, and a booster pump is installed inside the sandblasting device, which can not only increase the air flow rate, but also dry the coarse sand, so as to avoid the wet coarse sand from making the building The gypsum on the surface of the material is wetted and cannot fall off.

The invention relates to construction prefabricated members and manufacturing methods thereof and in particular relates to a prefabricated thermal insulation laminated wallboard with a spatial three-dimensional structure. The prefabricated thermal insulation laminated wallboard comprises a thermal insulation body (2) on the outer layer and a prefabricated laminated wall on the inner layer, wherein the thermal insulation body (2) sequentially comprises an inner reinforcing plate (2a), a thermal insulation layer (2b) and an outer reinforcing plate (2c) from interior to exterior; the inner reinforcing plate (2a) is inwards provided with a three-dimensional fiber rod net rack (1) and is embedded into an outer prefabricated layer (3); the prefabricated laminated wallboard consists of the outer prefabricated layer (3), an outer longitudinally and transversely stressed steel bar plane rack (4), lattice reinforcements (5), an inner prefabricated layer (6) and an inner longitudinally and transversely stressed steel bar plane rack (7); a meshed bracing bar (1b) and a planar mesh fabric (1a) are connected to stretch into the inner reinforcing plate (2a) and are repeatedly inserted into the inner reinforcing plate (2a), the thermal insulation layer (2b) and the outer reinforcing plate (2c) in a large scale; and the thermal insulation layer and the structural layer are connected together through a three-dimensional space structure. The problems of cracks and water leakage of the thermal insulation system are solved, the energy-saving effect is good, the service life of the insulation board is prolonged, and the problem that the outer thermal insulation layer of the outer wall needs to be frequently maintained and replaced is solved.

The invention discloses concrete pouring equipment used for construction equipment. A structure of the equipment includes a processing device, a discharge pipe, a machine body, a handle, and a controlbox, wherein the handle is disposed on the rear of the machine body. Through a mixer having a T-shaped structure on one side, the equipment can take the inner wall and the bottom of a cavity into account during mixing to achieve a complete mixing effect, a scraping body on the mixer can not only scrape off concrete attached to the inner wall of the cavity and also punctures bubbles to perform complete mixing; the surface of the periphery of the scraping body is surrounded by sharp puncturing blocks, both sides of the sharp puncturing blocks are smooth arc-shaped surfaces that are concave inward, and the scraping body is a spherical surface, and so, the concrete can slide down along the arc during rotation and a clamping phenomenon does not occur, and processing blocks of lower stirring blocks touch the bottom of the cavity, during rotation, outwardly-curved arc-shaped blocks on both sides can achieve mixing in a bottom scraping manner, and a clamping space of a connection part of theradian bending outward is small, and the arc-shaped sharp puncturing blocks at the connection part between the radian and material sucking mouths can prevent the concrete from getting stuck in gaps and cannot falling off.

The invention relates to a pipe connecting and sealing device used in a small space, and the a pipe connecting and sealing device is particularly suitable for connecting and sealing of multiple pipes of a water purifying valve (faucet). The pipe connecting and sealing device comprises a valve body, a transition connector, a sealing ring, water pipes, a ratchet clamping plate and a locking casing pipe; the valve body is provided with pipe mounting holes, the pipe mounting holes are matched with the transition connector, and the valve body is provided with a thread matched with the locking casing pipe; the ratchet clamping plate is provided with clamping plate pipe mounting holes, and the ratchet clamping plate pipe mounting holes are internally provided with ratchets; when the pipes are installed into the valve body through ratchet clamping plate holes, inner holes of the pipes are sealed through the sealing ring and the transition connector, the transition connector is sealed through the sealing ring and the valve body, the ratchet clamping plate is provided with the 'ratchets', the ratchet holes are internally provided with 'barbs' so that the pipes cannot fall, and the ratchet clamping plate presses the pipes into the valve body and fix the pipe body through the locking casing pipe.

The invention relates to a preparation method of surface wear-resistant coating for nodular cast iron. The preparation method comprises the following steps: 1, performing aluminizing treatment on a nodular cast iron workpiece, and cooling to obtain an aluminized workpiece, wherein the aluminizing temperature is 780-850 DEG C and heat is preserved for 2-5h at the temperature; 2, performing high-temperature oxidation treatment to the aluminized workpiece obtained in the step 1, wherein the high-temperature oxidation temperature is 900-1000 DEG C and heat is preserved for 2-5h at the temperature.By the preparation method combining the aluminizing treatment and the high-temperature oxidation treatment, the problems that the bonding strength between a wear-resistant layer and a substrate is low and preparation of coating for a workpiece with relatively small volume and having an inner wall is difficult can be solved.

A firefighting emergency power supply box comprises a shell, a protective cover and a bottom plate; the shell is provided with a clamping opening and a clamping position, the protective cover is configured above the shell and provided with a clamping block, a clamping buckle and a fixing column, and the bottom plate is provided with a circular hole and is configured below the shell. The protectivecover can be clamped and fixed on the shell from the upper portion of the shell so that the firefighting emergency power supply box can adapt to various lamps with small and narrow interior spaces, and product diversity is increased. When the firefighting emergency power supply box is mounted, fixing screws are used, the lamp, the bottom plate, the shell and the protective cover are locked together by utilizing a mounting hole of the lamp, the circular hole of the bottom plate and the fixing column of the protective cover, so that the protective cover cannot fall off, and the power supply boxis more firm.

A magnet steel for rotor is composed of annular magnet steel unit, and at least two axial end faces of the magnet steel unit are arranged in close contact with each other to form a tubular magnet steel body. Thus, the annular magnetic steel unit can be directly sleeved on the rotor core in turn for the worker to conveniently operate, and to improve the installation efficiency of the magnetic steel body. The invention can arrange a corresponding number of magnetic steel units accord to different axial lengths of the rotor core, and does not require additional design and manufacture of the magnetic steel. In addition, even in a high-speed motor, the magnetic steel body can not fall off.

The invention discloses a convenient-to-mount lamp holder for a new energy bulb. The convenient-to-mount lamp holder comprises a contact plate, wherein a pressure spring is fixedly connected to the bottom of the contact plate; a base is fixedly connected to the bottom of the pressure spring; sliding blocks are arranged on the two sides of the pressure spring and are mutually rotatably connected with the contact plate through driving rods; fixing boxes are arranged at the top of the base; and a plurality of control blocks are arranged on the side walls, close to the pressure spring, of the fixing boxes in a surrounding mode. According to the convenient-to-mount lamp holder for the new energy bulb, the sliding blocks tend to move towards one side of the pressure spring, then the control blocks are pulled to move downwards, and clamping teeth are arranged on one sides of the control blocks and are mutually clamped with sliding teeth, so that the clamping teeth are fixed, then the controlblocks are fixed, and connecting clamping blocks are continuously attached to a connecting head to prevent the bulb from falling off; and the convenient-to-mount lamp holder for the new energy bulb has the advantages of being convenient to mount and dismount, improving mounting stability and preventing poor contact.

The invention relates to the technical field of machining, in particular to a middle turnover table of a stamping automation manipulator. The middle turnover table comprises a fixed cylinder, a rotating cylinder, an adjusting ring, a containing cylinder, bevel gears, limiting assemblies, a first electromagnetic locking device, a second electromagnetic locking device and a driving assembly. The rotating cylinder is rotatably arranged in the fixed cylinder. The adjusting ring is coaxially and rotatably arranged on the outer periphery of the rotating cylinder, and helical teeth are uniformly distributed on the inner periphery of the adjusting ring. Rotating shafts are arranged on the two sides of the containing cylinder, the containing cylinder is coaxially arranged in the rotating cylinder, and the rotating shafts penetrate through the rotating cylinder in the radial direction and are rotatably matched with the rotating cylinder. The bevel gears are coaxially arranged on the rotating shafts, and the bevel gears are engaged with the helical teeth. The limiting assemblies are arranged at the two ends of the containing cylinder. The first electromagnetic locking device is arranged between the fixed cylinder and the rotating cylinder, the second electromagnetic locking device is arranged between the rotating cylinder and the adjusting ring, and the driving assembly is arranged on the fixed cylinder and is in synchronous transmission connection with the adjusting ring. The middle turnover table can adjust the angle of a part in the horizontal direction and the vertical direction, and is simple in structure.

The invention provides a discharging lamp for providing a light source suitable for PSA use, which effectively emits ultraviolet rays in wavelength range of 300-380nm required by monomer polymerization. The discharging lamp (10) comprises a discharging container (20) containing iodine used as a light emitting gas, and a pair of electrodes (11, 12), formed on the outer surface of the discharging container, which emits ultraviolet rays with peak wavelength of 342nm by forming excited iodine molecules, wherein an ultraviolet ray reflecting layer (30) composed of small silicon dioxide particles is formed on the inner surface of the discharging container (20), and a film (40) is formed at the position which is on the surface of the ultraviolet ray reflecting layer (30) and conflicts with discharging path of the pair of electrodes (11, 12).