33results about How to "Reduce size requirements" patented technology

The high-temperature-rise combustion chamber comprises a sudden expansion diffuser, a cartridge receiver, a combined air atomizing nozzle and a flame tube and can solve the problems that in the prior art, a high-temperature-rise combustion chamber of a small and medium-sized turbojet engine is low in fuel oil supply pressure and fuel oil flow is increased, so that fuel oil atomization is poor, the combustion efficiency is low, and the combustion efficiency is low. And the service life of the flame tube is difficult to meet the requirement due to great reduction of the cooling air quantity and increase of the cooling air temperature. An overall layout form of fuel oil radial grading and axial grading is innovatively adopted, and swirlers used for assisting fuel oil atomization all adopt a beveling hole mode; space compound angles are innovatively adopted for cooling holes in the flame tube, and the overall layout form of different sizes and different hole pitches is adopted in different areas. Fuel oil atomization quality and efficient combustion under various working conditions can be improved, the service life of the flame tube is prolonged, and meanwhile the machining process of the swirler is simplified due to the fact that the swirler adopts an inclined hole mode.

The invention relates to the technical field of embroidery equipment, in particular to a mixed embroidery device and an embroidery machine, the mixed embroidery device comprises a crossbeam, and the crossbeam is connected with a plain embroidery machine head and a taping embroidery machine head; the plain embroidery machine head comprises a plain embroidery machine shell and a plain embroidery needle bar frame moving on the plain embroidery machine shell; the taping embroidery machine head comprises a taping embroidery machine shell, a needle rod assembly, a presser foot assembly and a material disc assembly. The presser foot assembly comprises a presser foot tube and a presser foot rotation driving mechanism for driving the presser foot tube to rotate; the charging tray assembly comprises a charging tray pipe and a charging tray driving mechanism for driving the charging tray pipe to rotate, and the charging tray driving mechanism comprises a charging tray driving motor; the mixed embroidery device further comprises a main shaft; and a charging tray driving output shaft of the charging tray driving motor is arranged between the main shaft and the girder. According to the hybrid embroidery device, the head distance between the machine heads can be smaller, so that more machine heads can be installed in a limited space.

The application discloses a device and method for bending and deforming micro-nano samples in-situ in an electron microscope, and belongs to the field of scanning / transmission electron microscope accessories and micro-nano material mechanical property measurement research. The device comprises four parts, namely a supporting part, a driving part, a bending loading part and a sample stage part. One end of the nano material is fixed to a suspended part at the front end of the sample stage, and the other end is a free end. The free end of the nano material is pushed by the bending loading part driven by the heating and bending bimetallic strip, so that the nano material achieves the bending and deformation effect. The application separates and fixes the bimetallic strip and the sample, solves the problems of poor mechanical stability and easy movement of the sample in the deformation process of the in-situ bending nano material, improves the stability of the fixed sample and in-situ imaging, realizes the bending and deformation of the sample, and simultaneously observes the structural evolution of the material in the deformation process. While realizing the bending and deformation of single / multiple nano wire shafts, the structural evolution of the material in the deformation process is observed in-situ.

The utility model relates to a protective bottom pocket for construction of a bridge fabrication machine, which comprises a foldable bottom pocket and a protective cover, the middle unit comprises a positioning column and a middle bottom pocket, and the positioning column is connected with the middle bottom pocket and extends in the vertical direction; the folding unit comprises a tension cable, a positioning piece and a folding bottom pocket; one end of the tensioning cable is connected with the positioning column, the other end of the tensioning cable is connected with the folding bottom pocket, and the folding bottom pocket is hinged to the edge of the middle bottom pocket; the positioning piece is connected with the tensioning cable and the positioning column and is used for changing the inclination angle of the folding bottom pocket; the suspension beam is connected with the reverse hook beam through a suspension rod and located below the bottom die platform. The suspension beam extends along the longitudinal direction of the bridge body; the walking device is movably mounted on the suspension beam in the length direction of the suspension beam; and the lifting device is arranged on the walking device and is connected with the positioning column. According to the utility model, the overhead working amount is reduced, and the requirement on the size of a ground working platform is low.

The utility model relates to the stamping field discloses a kind of lateral material pressing mechanism of stamping die. Including lateral material presser and elastic reset piece, the elastic reset piece is opposite with lateral material presser and is used to make lateral material presser reset, lateral material presser is located above positive material presser and is slidably matched with positive material presser, lateral material presser is equipped with inclined wedge upper baffle, inclined wedge upper baffle extends along the sliding direction of lateral material presser, the lateral material presser is slidably matched with inclined wedge upper baffle. The lateral material pressing mechanism of stamping die in the utility model solves the problem that the weight of upper die holder is too large, resulting in high cost of stamping die.

The invention discloses an annealing device for silicon wafer coating post-treatment, comprising: an annealing furnace having a feed port, a discharge port, an air inlet assembly and five cavities, the five cavities being a heating transition cavity, a heating cavity, a heat preservation cavity, a cooling cavity and a cooling transition cavity, the horizontal plane projection of the heating cavity being U-shaped; the conveying mechanism comprises a transfer assembly and two conveying assemblies, and each conveying assembly comprises a driving unit and a conveying roller; and the on-off assembly is arranged between the two adjacent cavities and has an intercepting form and a passing form. According to the annealing device for silicon wafer coating post-treatment, the length size of the heat preservation furnace is reduced through the U-shaped heat preservation cavity, connection and disconnection of the two adjacent cavities are controlled through the on-off assembly, heat energy diffusion is reduced, transition is achieved through the heating transition cavity and the cooling transition cavity, the heat energy utilization rate is increased, meanwhile, the material temperature change rate is slowed down, and the service life is prolonged. The annealing quality is improved.

The invention discloses a charger with a folding take-up mechanism, which comprises a first shell and a second shell, and an adjustable gap cavity is formed between the first shell and the second shell. A first metal insertion piece and a second metal insertion piece are installed on the first shell and the second shell in a folding mode respectively, and synchronous adjustment of the distance between the two metal insertion pieces is achieved by adjusting the distance between the gap cavities. And a rotating disc is rotationally mounted on the end surface of one side, far away from the first shell, of the second shell, is connected with a driving take-up mechanism arranged in the first shell and the second shell, and is used for carrying out take-up and pay-off operation on the power line in the rotating process and synchronously driving the first metal insertion sheet and the second metal insertion sheet to be opened or closed. The power line passes through the first housing and extends to the outside. Linkage control of take-up, insertion piece folding and insertion piece interval adjustment is realized through a single rotating disc, and the storage efficiency, the socket adaptability and the carrying convenience are improved while the structure is simplified.

The invention discloses a rotor suspension driving structure and method and a motor, and belongs to the technical field of magnetic suspension drive.The rotor suspension driving structure comprises a rotor suspension assembly and a rotor rotation driving assembly which are arranged on the two radial sides of a rotor, and working air gaps are formed between the rotor suspension assembly and the rotor rotation driving assembly and the rotor; the rotor is made of diamagnetic materials, the rotor suspension assembly below the rotor adopts a permanent magnet array and can be arranged in an Opposite or Halbach mode, passive and stable suspension support is provided for the rotor through magnetic repulsive force, the ratio of the suspension force to the gravity of the rotor is increased along with reduction of the scale, the miniature design of the bearing can be achieved, meanwhile, extra space is not occupied, and the bearing is more compact in structure and more compact in structure. And the size requirement of the motor can be further reduced.

The utility model discloses a multipurpose test field for agricultural technology development belongs to multipurpose test field technical field field, including test basin, the inside fixed cross bulkhead of test basin, and one side of cross bulkhead is inserted and is connected with no.

The utility model discloses a high-efficiency sectional type inner winding stator structure, which comprises an annular iron core formed by splicing a plurality of stator core blocks, each stator core block comprises an arc-shaped yoke and three tooth columns arranged at the inner arc edge of the arc-shaped yoke at intervals, and the tooth columns are strip bodies with the same width. The opening width of the tooth groove between every two adjacent tooth columns is larger than the width of the tooth columns. The stator core block is reasonable in structural design, the tooth columns are strip bodies with the equal width, and the width of the tooth groove opening is larger than that of the tooth columns, so that the problem that a large space is occupied by independent arrangement of silicon steel sheets when the stator core block is manufactured due to insufficient tooth groove width of a traditional split type module is effectively solved. When the silicon steel sheets are blanked and arranged, the tooth columns on the stator core blocks can be embedded into tooth groove gaps on other stator core blocks to be arranged in a staggered mode, the material utilization rate is remarkably improved, waste of excess materials is reduced, meanwhile, the requirement for the mold size is reduced, and the production cost is greatly reduced. And the whole structure is simple, splicing and winding are easy, and the winding efficiency and the slot fullness rate are effectively improved.

The invention discloses a power device and a manufacturing method thereof. The power device comprises a gallium oxide substrate; the N-type gallium oxide epitaxial layer is located on the first side surface of the gallium oxide substrate; the P-type gallium nitride layer is located on the surface of the gallium oxide epitaxial layer, grooves are formed in the P-type gallium nitride layer, the P-type gallium nitride layer comprises a first region and a second region, the first region is located between the adjacent grooves, and the second region is located at the bottoms of the grooves; the first N-type gallium nitride layer is positioned in the surface of the first region of the P-type gallium nitride layer; the second N-type gallium nitride layer is positioned in the surface of the second region of the P-type gallium nitride layer; the gate dielectric layer and the gate electrode layer at least cover partial regions of the second N-type gallium nitride layer and the first N-type gallium nitride layer; the source electrode layer is electrically connected with the first N-type gallium nitride layer; and the drain electrode layer is electrically connected with one side, far away from the gallium oxide epitaxial layer, of the gallium oxide substrate. The power device combines the advantages of GaN and Ga2O3 materials, and has better performance.

The embodiment of the present invention provides a drying feeding device. The device includes a feeding system, a spiral feeding system, a microwave heating system and a water vapor guiding system. The spiral feeding system includes a spiral tube, which is divided into a feeding area, a first sealing area, a drying area, a second sealing area and a discharging area, and a continuous spiral blade is arranged on the rotating shaft in each area. After the material enters the spiral tube, it is stirred and pushed by the spiral blade, passes through the first sealing area and enters the drying area, and is continuously heated by the microwave heating system and heated and dehydrated by the spiral blade, and expanded and loosened; the water vapor in the drying area is automatically discharged after purification through the water vapor guiding system to maintain the safety pressure in the device; the dehydrated material is sent into the reaction chamber after passing through the second sealing area and the discharging area, and subsequent reactions occur. The device has uniform heating, energy saving, pressure resistance, fast control response, strong adaptability, and high space utilization, and can realize the rapid, efficient and safe drying and dehydration of organic solid waste materials.

This invention discloses a rapid prediction method for the thermal conductivity of phenolic resin based on scanning electron microscopy (SEM) images. This invention requires only conventional SEM images, extracts structural parameters such as porosity, equivalent particle diameter, and bond ratio through automated image processing, and then inputs these structural parameters into a pre-trained machine learning surrogate model to achieve rapid prediction of the material's thermal conductivity. Compared with existing methods that require multi-scale 3D reconstruction and direct numerical solutions, this invention significantly reduces the requirements for sample size and characterization equipment, simplifies the modeling process, and achieves high computational efficiency. Furthermore, because the prediction model fully incorporates the influence of nanoscale pores and particle structure on thermal conductivity during the training phase, this invention can quickly provide the effective thermal conductivity of resin-based composite materials while maintaining high accuracy, providing an efficient and reliable means of evaluating thermal conductivity performance for material formulation design and process optimization.

The invention belongs to the technical field of nitrate nitrogen wastewater treatment, and particularly relates to a microbiological treatment method for green and efficient removal of nitrate nitrogen in high-salinity wastewater. According to the method, the nitrate nitrogen in the wastewater is removed by inoculating a methylophilus with a nitrate assimilation reduction function into the wastewater containing the nitrate nitrogen, the nitrate nitrogen in the final effluent reaches the standard, intermediate products such as nitrous oxide and nitrogen are not generated, and meanwhile, the nitrogen removed from the wastewater can be recycled by collecting biomass precipitates. Compared with a traditional biological denitrification process, the method has the advantages that nitrate nitrogen and organic matters can be removed in a single reactor, and the requirement on the scale of the reactor and the subsequent energy cost are reduced; meanwhile, the microbiological treatment method disclosed by the invention is simple to operate, mild in reaction, high in nitrate nitrogen removal efficiency and applicable to denitrification treatment in wastewater with a wide salinity range, and has a wide application value in sewage treatment engineering.

The utility model belongs to ship loader technical field, concretely relates to a ship loader pitch rotation device, including support platform, be provided with the hinged support on support platform rotation, be provided with the cantilever frame on the hinged support hinged setting, the support platform is fixedly provided with the support frame, support frame top one side is provided with the steering device, the steering device includes the mounting seat and the goose head frame, be provided with the first pulley on the goose head frame, the goose head frame is hinged and is connected with the mounting seat, the mounting seat fixed connection support frame, be provided with the winding device on the support frame, the winding device is around and is provided with the steel wire, and the other end of steel wire passes through the first pulley after connecting cantilever frame far from the one end of hinged support. The utility model through setting up hinged cantilever frame swing when driving hinged support rotation, need not drive support frame rotation, simultaneously make the goose head frame of installing first pulley hinged installation, make it can swing with cantilever frame synchronization, guarantee cantilever frame angle adjustment smoothly.

The invention belongs to the technical field of solid rocket engine inner heat insulation layers, and particularly relates to a solid rocket engine inner heat insulation layer preforming production line and a solid rocket engine inner heat insulation layer preforming production method.The solid rocket engine inner heat insulation layer preforming production line comprises a forming unit and a transfer system; a feeding and discharging device used for feeding and discharging of the multi-layer hot press is arranged on one side of the multi-layer hot press, the forming unit further comprises an upper mold lifting device used for lifting and falling an upper mold so that the upper mold and a lower mold can be buckled or demolded, and the transfer system comprises an electric flat car used for transferring the upper mold and the lower mold. A three-layer or more plate frame lower jacking type hydraulic machine form is adopted as a forming unit, multiple interlayer molds can be independently moved in / out, lifted outside the machine and rapidly replaced, the mold filling difficulty is reduced, the mold filling efficiency is greatly improved, mixed line production of inner heat insulation layer parts of two or more specifications can be met, the whole line has full-automatic operation, the production efficiency is improved, and the production cost is reduced. Manual intervention is not needed, and production efficiency is high.

The present application relates to a kind of SAR satellite vacuum thermal test method based on phased array feed system, first, passive reflector antenna is removed and is verified separately, realizes system decoupling.Phased array feed thermal test system and satellite body thermal test system are constructed, and two are physically isolated in same vacuum environment simulator by cold plate, to realize the parallel test of load and platform.Based on the size of phased array feed, the size of wave-absorbing box containing silicon carbide sharp cone wave-absorbing material is determined;Based on the size of satellite body, the size of its infrared cage is determined;Further, the size of cold plate is determined and appropriate vacuum tank is selected;Finally, the synchronous test of two systems is realized through cable connection.The present application significantly shortens the test cycle, reduces cost and risk through parallel test architecture, and ensures the authenticity and effectiveness of the test through accurate size chain design and independent thermal environment control, providing an efficient and reliable solution for vacuum thermal test of similar complex satellites.

The utility model provides a kind of foldable handheld fan, including fan unit, handle and rotating support.Handle extends along length direction, and inside has accommodating cavity.Rotating support one end is connected with fan unit, and the other end is rotatably connected with handle through hinging structure.In handheld mode, define a minimum circumscribed cuboid space defined by fan unit and handle together.Rotating support at least a part is overlapped with handle in length direction, to shorten the combined span of fan unit and handle in length direction.At least a part of hinging structure is offset outside accommodating cavity in thickness direction, and simultaneously located in minimum circumscribed cuboid space.The utility model realizes rotating support and handle length overlap and hinging structure convex by rotating support rear shift offset, under the premise of keeping compact appearance, effectively shorten handheld overall length and release handle internal space.

The utility model discloses an air spring positioning anti-rotation structure and air spring, air spring positioning anti-rotation structure includes the air spring upper seat, piston seat, the bearing of being connected between the air spring upper seat and piston seat and makes the air spring upper seat and piston seat rotate and connect, the air cock of being installed on the piston seat, air spring positioning anti-rotation structure still includes the limiting hole of being located on the air spring upper seat, the inside end portion is matched with the air cock and can be inserted on the air cock with the outside end portion and the limiting hole cooperation and can be located in the limiting hole in the fixed pin, can make the air spring upper seat positioning, prevent the air spring upper seat from rotating to other angle when assembling, and when the fixed pin is taken down, other structure that cooperates with the fixed pin will not interfere with the suspension peripheral piece, and the plug-in is convenient and reliable, will not be abnormal and fall off, also will not cause air spring function to be damaged because of the leakage.

The present invention provides a method and electronic device for detecting somatic variation from a single sample. The method comprises: (1) analyzing the offline data of the test sample, obtaining the filtered variation sites, calculating the posterior probability that the filtered variation sites are germline variation and somatic variation, recorded as germline variation parameters and somatic variation parameters; (2) constructing a mutation site feature vector using the background noise parameter, germline variation parameter and somatic variation parameter of each filtered variation site; (3) using a somatic variation discrimination model, judging each filtered variation site as a somatic variation or a germline variation according to the mutation feature vector of each filtered variation site. The present invention can solve the problem that it is difficult to accurately detect somatic variation in a single sample in the prior art, and is applicable to the field of bioinformatics.

The invention discloses a power device. The power device comprises a gallium oxide substrate; the N-type gallium oxide epitaxial layer is located on the surface of the gallium oxide substrate; the gallium nitride epitaxial layer is located on the surface of the side, away from the gallium oxide substrate, of the gallium oxide epitaxial layer and comprises a first P-type gallium nitride layer, a first N-type gallium nitride layer and a second P-type gallium nitride layer which are stacked, and a groove is formed in the gallium nitride epitaxial layer and extends into the first N-type gallium nitride layer; the gallium nitride epitaxial layer comprises a first region and a second region which are parallel to the plane where the gallium oxide substrate is located, the first region is located between the adjacent grooves, and the second region is located at the bottoms of the grooves; the second N-type gallium nitride layer is located in the first region of the gallium nitride epitaxial layer and located in the surface of the second P-type gallium nitride layer; and the third N-type gallium nitride layer is located in the second region of the gallium nitride epitaxial layer and located in the surface of the first P-type gallium nitride layer. The power device combines the advantages of GaN and Ga2O3 materials, and has better performance.

The application discloses a Lissajous optical fiber scanner with a combined cylindrical body, which comprises a cylindrical body and an optical fiber, the cylindrical body is composed of a base body with an upper opening and a support plate for sealing the upper opening of the base body, and the part, connected with the base body, of the support plate and the base body form a cylindrical overlapping part. At least one of the left side and the right side of the barrel-shaped overlapping part is provided with a correspondingly matched electrode to drive the front end of the barrel-shaped body to vibrate left and right in the horizontal direction, and at least one of the upper side and the lower side of the barrel-shaped overlapping part is provided with a correspondingly matched electrode to drive the front end of the barrel-shaped body to vibrate in the vertical direction. The supporting plate enables the inherent frequency of the combination part formed by the cylindrical body and the optical fiber in the horizontal direction to be larger than the same-order inherent frequency of the combination part in the vertical direction. The Lissajous scanning working condition requirement is met by adjusting the appearance structure and / or size parameters of the supporting plate, so that the cylindrical body is low in machining difficulty, machining errors are easy to control, and the yield is high.

The application provides a chip aging circuit and electronic equipment, which are applied to a to-be-tested module. The chip aging circuit comprises a control module, a connecting module and an aging box. The control module is arranged outside the aging box and connected with the connecting module. The control module is used for controlling the to-be-tested module to enter an aging state through the connecting module. The connecting module is arranged on the side wall of the aging box. The connecting module is used for connecting the control module outside the aging box and the to-be-tested module inside the aging box. The chip aging circuit can simultaneously test multiple chips, thereby reducing the size requirement of the aging box. When the to-be-tested module is subjected to high-temperature aging, the normal work of the control module is not affected. The service life of the control module is prolonged, and the performance stability of the control module is improved.

The utility model relates to the technical field of manipulators, in particular to a mechanical clamping jaw for grabbing special-shaped pipe fittings. Comprising a lifting arm and a bearing body, first arms are rotationally installed on the two sides of the bottom of the lifting arm respectively, second arms are slidably installed at the ends of the first arms, the bearing body is connected to the second arms, a movable clamping jaw is slidably installed on the bearing body, and a fixed clamping jaw is fixedly installed on the bearing body; the supporting body extends in the horizontal direction away from the lifting arm, so that the supporting body can extend into the lower side of the special-shaped pipe fitting to support the special-shaped pipe fitting with a curved surface structure, and the special-shaped pipe is limited through the movable clamping jaw and the fixed clamping jaw to be prevented from slipping off and falling off from the supporting body. The rotating angles of the two first arms on the lifting arm and the positions of the two second arms in the corresponding first arms are manually adjusted, so that the horizontal distance and the vertical distance of the two bearing bodies are changed, the supporting position of the special-shaped pipe fitting is adjusted, and the special-shaped pipe fitting supporting device is suitable for special-shaped pipe fittings of various lengths and sizes.

The application relates to the technical field of wireless communication, and discloses a channel estimation method and device based on AI noise reduction and a computer device, the method comprising the following steps: extracting a demodulation reference signal from a received signal to perform least square channel estimation, obtaining an LS channel estimation matrix to calculate a phase offset between subcarriers and a common time offset index; generating a first phase compensation factor corresponding to each subcarrier based on the phase offset between the subcarriers, and generating a common second phase compensation factor based on the common time offset index; performing phase rotation compensation on the LS channel estimation matrix by using the first phase compensation factor and the second phase compensation factor, obtaining an input feature matrix from which the influence of time offset is removed, inputting the input feature matrix into a pre-trained AI noise reduction network model, and outputting a noise-reduced channel estimation matrix. The application can effectively separate noise and channel information in the received signal, significantly improve the anti-noise capability and precision of channel estimation, and ensure low calculation complexity and easy deployment.

A tissue cutting assembly and a fetching device relate to the field of medical devices, and comprise a sleeve, a first force transmission member and a plurality of cutting wires. The front ends of the multiple cutting wires are gathered, and the rear ends of the multiple cutting wires are all connected to the first force transmission piece. The first force transmission piece is slidably installed on the sleeve and used for driving the multiple cutting wires to stretch out of the front end of the sleeve or retract into the sleeve. And when the plurality of cutting wires extend out of the sleeve, the plurality of cutting wires are matched to define at least one cutting space. According to the structural design of the tissue cutting assembly, the tissue cutting assembly can be matched with an object taking bag, a target object can be cut up in the body, the size of the target object is reduced, the target object can be taken out through a natural channel of the human body, non-invasive surgery can be achieved, operation is convenient, and the infection risk is low.

The utility model relates to a split type rotor core structure which comprises a rotor punching sheet, the rotor punching sheet is composed of a plurality of arc-shaped plates which are spliced together, and the end parts of the adjacent arc-shaped plates abut against each other to form a circular rotor punching sheet; the rotor support is used for supporting and fixing the rotor punching sheet, the rotor support is provided with the installation grooves for installation of the arc-shaped plates, the inner sides of the arc-shaped plates are provided with the installation pieces installed on the installation grooves, the rotor punching sheet is arranged to be a plurality of arc-shaped plates, and when the arc-shaped plates are machined, the requirement for the size of a punching sheet material during machining of the rotor punching sheet is reduced; grooves and screw holes in complex shapes can be machined according to needs, material loss and cost expenditure are greatly reduced, and the arc-shaped plates can be independently machined due to the fact that the size of the arc-shaped plates is smaller than that of the rotor punching sheet. The method has the effects of improving the production efficiency, reducing the manufacturing difficulty and further reducing the manufacturing cost.

The present invention relates to the technical field of endoscopes, and specifically discloses an insertion part and an endoscope, wherein the insertion part comprises a lens seat and an instrument tube, wherein the lens seat has a storage space and a first opening penetrating through a side wall of the lens seat, wherein the distal end of the instrument tube extends into the storage space, wherein the distal end of the instrument tube has an inclined portion, wherein the inclined portion extends obliquely in the axial direction and radial direction of the lens seat, wherein the instrument tube has a first state and a second state, wherein in the first state, along the radial direction of the lens seat, the lens seat and the distal end opening of the instrument channel at least partially overlap, and in the second state, along the radial direction of the lens seat, the lens seat and the distal end opening of the instrument channel are displaced and separated, and the instrument tube can be switched between the first state and the second state by rotating the instrument tube, wherein the radial dimension of the insertion part in the first state is relatively small, which is beneficial for probing into a human body cavity, and the distal end opening of the instrument tube in the second state has a relatively large radial dimension, which is beneficial for the insertion and operation of surgical instruments.

The present disclosure relates to the technical field of bearings, and in particular to a support bearing and a generator set. The support bearing provided by the present disclosure includes a bearing body, the inner wall surface of the bearing body is provided with a support layer, the surface of the support layer forms a support surface, and the support surface is used to cooperate with the journal of the rotating shaft to radially support the journal; thrust layers are respectively provided on the two side surfaces of the bearing body, and the surface of the thrust layer forms a thrust surface, and the thrust surface is used to cooperate with the pillow blocks on both sides of the journal to limit the axial movement of the rotating shaft. On the basis of the structure of a conventional support bearing, thrust layers are respectively provided on the two side surfaces of the support bearing, and the surface of the thrust layer forms a thrust surface. The thrust and limiting functions are achieved by cooperating with the thrust surface and the pillow block. In this way, in the case of low axial thrust load, a support bearing can be used to achieve the thrust and limiting effects on the axial direction of the rotating shaft while supporting the journal, without the need to add a separate thrust bearing, thereby reducing costs and facilitating maintenance.

The utility model discloses a wearable refrigeration device capable of being combined for use, which comprises a first refrigeration assembly and a second refrigeration assembly, the front and back of the upper part of a human body are cooled, and the left and right sides of the upper ends of the first refrigeration assembly and the second refrigeration assembly are respectively provided with a separable connecting device. The upper ends of the first refrigerating assembly and the second refrigerating assembly are movably connected, the connecting positions are located on the shoulders of the human body, and a first connecting device and a second connecting device are arranged on the left side and the right side of the lower end of the first refrigerating assembly respectively. A third connecting device and a fourth connecting device are arranged on the left side and the right side of the lower end of the second refrigerating assembly respectively, the first connecting device is movably connected with the third connecting device, and the second connecting device is movably connected with the fourth connecting device and used for binding the waist of the human body. On the premise of cooling the upper part of the human body in a large area, the size requirement of the device is reduced, in addition, the device can be independently used after being separated, the use scene is expanded, and more choices are provided for users.