9results about How to "Guaranteed normal vibration" patented technology

The utility model discloses an intelligent temperature, humidity and pressure sensor, which is characterized by comprising a shell structure, a connector, a protective cover, an analog board, a main board, a probe board, a pressure sensitive element and an upper cover structure, the analog board, the main board and the pressure sensitive element are accommodated in the shell structure, and the probe board extends out of one end of the shell structure, is in contact with the environment and is used for measuring environment temperature and humidity information; the main board is used for data acquisition and communication control, and the analog board is used for power conversion and analog current driving; the hollow part of the upper cover structure accommodates the connector, and the connector is protected on the opposite side through the protective cover; the pressure sensitive element is used for measuring environment pressure information; the pressure sensitive element and the probe plate output digital signals. Three laser welding connecting parts are arranged at the joint of the shell structure, between the upper cover structure and the shell structure and between the connector and the upper cover structure; and the interior of the shell structure is completely isolated from the external environment through a potting method.

The invention relates to the technical field of insect prevention devices, in particular to an all-weather insect prevention protection device for greenhouse planting and a protection method.The all-weather insect prevention protection device comprises a greenhouse ventilation mounting plate and an insect prevention filter screen plate, a support is fixedly connected to the outer wall of one side of the greenhouse ventilation mounting plate, and a driving motor is mounted on the outer wall of the bottom end of the support; one end of an output shaft of the driving motor is connected with a rotating rod through a coupler, the outer wall of the rotating rod is fixedly connected with a plurality of first bevel gears, a plurality of air inlet grooves are formed in the outer wall of one side of the greenhouse ventilation mounting plate, and the outer wall of one side of each air inlet groove is fixedly connected with a rectangular frame. The air inlet flow direction during ventilation can be controlled, the ventilation uniform effect is better, the rotary drum can be matched with the fixed cleaning plate to achieve self-cleaning of the filter structure during rotation, the insect-proof filter screen plate is connected through the spring and matched with the spherical protrusion to vibrate, the cleaning effect is further enhanced, and the cleaning effect is improved. And the use efficiency of the anti-scour protection device for greenhouse planting is improved.

The application discloses an aggregate dust removal device for a large concrete mixing station and relates to the dust removal device field.The aggregate dust removal device comprises a conveying device, a dust falling assembly is arranged on one side of the conveying device, and the dust falling assembly comprises a dust filtering unit, a spraying unit, a separation unit and a vibration unit.The dust filtering unit comprises a dust filtering plate, a plurality of dust filtering holes are formed in the dust filtering plate, the dust filtering plate is arranged to be inclined to the conveying device direction and extends above one end of the conveying device, and the spraying unit is arranged on the side of the dust filtering plate close to the conveying device.The dust on the aggregate is cleaned through the cleaning water, the dust on the aggregate is treated more completely, a large amount of dust is prevented from being raised in the subsequent conveying and processing of the aggregate, the cleaning water and the sludge can be continuously separated, the filter cloth belt has the effect of continuous filtration, the dust in the aggregate is more quickly and completely filtered through the dust filtering plate, the spraying on the aggregate is improved, the cleaning effect on the aggregate is improved, and the impact and beating effect on the dust filtering plate and the filter cloth belt is better.

The utility model discloses a large-displacement high-rotating-speed reciprocating piston type compressor unit for pipeline gas transmission. The device comprises a skid-mounted base, and an air cooler, an air inlet separator, a first-stage air inlet buffer, a compression host, a first-stage air outlet buffer, a first-stage air outlet separator, a second-stage air inlet buffer, a second-stage air outlet buffer, a second-stage air outlet separator and a control device which are arranged on the skid-mounted base, wherein a first-stage air cylinder and a second-stage air cylinder are arranged in the compression main machine; a primary cooler and a secondary cooler are arranged in the air cooler; in the air inlet direction, the air inlet separator, the first-stage air inlet buffer, the first-stage air cylinder, the first-stage exhaust buffer, the first-stage cooler, the first-stage exhaust separator, the second-stage air inlet buffer, the second-stage air cylinder, the second-stage exhaust buffer, the second-stage cooler and the second-stage exhaust separator are sequentially connected through pipelines. According to the large-displacement and high-rotating-speed reciprocating piston type compressor unit for pipeline gas transmission, stable operation of the compressor at high speed and high power can be guaranteed, and the service life of the compressor is guaranteed.

The utility model discloses a mixing device for functional fabric processing, which comprises an air pump, a pneumatic mechanism, a mixing mechanism, an upper cover, a first feed inlet and a second feed inlet, the air pump is connected with the pneumatic mechanism through a connecting pipe, the pneumatic mechanism is mounted on the mixing mechanism, the upper cover is arranged on the mixing mechanism, and the first feed inlet and the second feed inlet are communicated through the upper cover. The upper cover is fixedly connected with a first feeding port and a second feeding port, the upper cover is further provided with a pressure valve and a sealing buckle, the mixing mechanism is provided with a discharging port, and the bottom of the mixing mechanism is connected with a power supply base. Additives are added through the first feeding port, raw materials are added through the second feeding port, the scientific proportion of the raw materials can be better controlled through independent channels of the raw materials and the additives, the success rate of mixing is improved, the pneumatic mechanism is additionally arranged, gas is added in the stirring and mixing process, and the mixing efficiency is improved. Therefore, the raw materials in the mixing mechanism are not easy to hang on the wall in the mixing and stirring process, and are not easy to cake after being stirred.

This utility model relates to the field of bearing processing technology and discloses a drilling device for bearing production. The device includes a body assembly and a support plate. The top of the support plate has a moving groove, and the outer periphery of the top of the support plate has an installation groove. This utility model uses three circumferentially distributed adjusting components and a double-sided gear linkage mechanism to synchronously drive multiple clamping parts to move radially, achieving precise concentric clamping of the inner and outer rings of bearings of different diameters. The transmission structure of the lead screw and the driven bevel gear ensures consistent displacement of each clamping part. Combined with the rubber anti-slip texture design, it effectively prevents bearing slippage and reduces surface damage during clamping. The dual positioning mechanism of the positioning plate and the clamping plate further ensures strict concentricity of the inner and outer rings, significantly improving the drilling position accuracy, effectively reducing vibration and noise problems caused by eccentricity, and extending the service life of the bearing.

The invention relates to the technical field of cable connection, in particular to a cable installation junction box which comprises a bus duct and a terminal board, a plurality of bus power strips are installed on the outer wall of the side, close to the terminal board, of the bus duct, and a plurality of sub-wire power strips are installed on the outer wall of the side, close to the bus duct, of the terminal board. One end of each sub-line power strip is attached to one end of the corresponding bus power strip, locking mechanisms are arranged on the outer walls of the two sides of the bus power strips and the sub-line power strips, the bus power strips and the sub-line power strips are fixedly connected through the locking mechanisms, and a plurality of buffer mechanisms are arranged on the outer wall of the side, opposite to the terminal board, of the bus duct. According to the invention, conductive paste in a hollow spring is extruded towards the middle, so that the conductive paste is sprayed into a strip-shaped groove and is injected between a first insertion strip and a second insertion strip, and the conductive paste is sprayed into the first insertion strip and the second insertion strip; connection between the two is enhanced, and stable transmission of electric power is ensured.

The present invention aims at the problem that the fixed cleaning screen on the existing forage seed combine harvester has stable stiffness but cannot clean seeds of different particle sizes, and the replaceable cleaning screen only solves the problem of difficult replacement and the stiffness coefficient is unstable, making it difficult to harvest grass seeds of various particle sizes and specific gravities on one machine. The present invention proposes a cleaning screen for a grass seed harvester that can be quickly replaced and adjusted and a replacement and adjustment method thereof. The device designed by the present invention can realize rapid replacement and use a unique pressing mechanism to press the replaced cleaning screen, so that the stiffness parameter of the cleaning screen, which is the most difficult to adjust, can be adjusted according to the vibration parameters required by the screening assembly, and the vibration screening needs of forage seeds of different particle sizes and specific gravities can be met.

The utility model discloses a sounding vibration device, which comprises a vibrating diaphragm assembly, a magnetic circuit assembly and a vibrator assembly, and the magnetic circuit assembly is positioned between the vibrating diaphragm assembly and the vibrator assembly. The vibrating diaphragm assembly comprises a vibrating diaphragm and a voice coil connected to the side, close to the magnetic circuit assembly, of the vibrating diaphragm, the vibrator assembly comprises a mass part and a coil located on the mass part, and the voice coil and the coil are both located in a magnetic field generated by the magnetic circuit assembly; the mass part comprises a stainless steel plate and a tungsten-nickel alloy plate which are stacked; the vibrating diaphragm assembly vibrates in a first direction, and the vibrator assembly vibrates in a second direction perpendicular to the first direction. The structural strength of the position of the vibrator assembly is improved through the stainless steel plate and the tungsten-nickel alloy plate which are arranged in a stacked mode, the problem of breakage in the vibration work is avoided, and guarantee is provided for the small-size and thin design of the sound production vibration device. Meanwhile, the sound production vibration device is light in weight, and the vibration quantity is guaranteed.