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

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 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 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 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 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 remote controller comprising a front shell and a rear shell; a circuit board is arranged in a groove in the front end of the rear shell, a display screen is fixedly connected to the top of the front end of the circuit board, an open groove is formed in the middle of the top end of the circuit board, direction keys are fixedly connected to the bottom of the front end of the circuit board, and four key position holes are formed in the middle of the front end of the front shell; and a fault lamp is arranged at the top of the left side of the front end of the front shell, a mounting groove is formed in the top of the front end of the rear shell, a supporting column is fixedly connected to the middle of the front end of the rear shell, and a supporting frame is fixedly connected to the position, above the battery groove, of the front end of the rear shell. The sliding rod is matched with the sliding groove, so that a sliding cover can be rotated around the sliding rod, the sliding cover cannot fall off from the rear shell, and the sliding cover is prevented from being lost; and in addition, the independently-arranged battery groove can separate the battery from electrical components in the remote controller, the situation that a battery leaks due to long-time storage and the electrical components in the remote controller are damaged is prevented, and thus the remote controller is worthy of being vigorously popularized.

The invention discloses a hoisting pipe device for oil drilling equipment, which comprises a hoisting pipe, the upper end of the hoisting pipe is provided with a top plate, the top plate is provided with a groove and a limit groove, and the groove is connected to the cover plate through a nut. The hoisting pipe is welded by a rib plate, a round pipe and a top plate, the rib plate and the top plate are connected by a spring device, and the spring device is connected with a balance bar, and the balance bar is located between the hoisting tube rib plate and the top plate, The top plate is a circular top plate. The technical problem to be solved by the present invention is that the hoisting belt is prone to fall off during the hoisting of the hoisting pipe. Fix it on the main beam of the drilling rig module, install the lifting belt, turn the screw to raise the lifting plate, and the lifting plate drives the lifting column to rise, so that the cover plate is stuck in the limit slot. It is easy to operate and can ensure that the hoisting belt cannot fall off during hoisting, which improves the reliability of hoisting, double protection, and is safe and reliable.

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 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).