77results about How to "Reduce exposed area" patented technology

The invention discloses a large-depth pressure-resistant communication antenna of an unmanned underwater vehicle and the underwater vehicle, and belongs to the technical field of underwater vehicles, the antenna comprises an antenna shell, a pressure-resistant cabin body and a fin-shaped component, the pressure-resistant cabin body is a component forming a cabin body segment of the underwater vehicle, and the fin-shaped component is a fin-shaped component. The antenna shell comprises a radial supporting part fixed to the pressure-resistant cabin and a shell part fixed to the top end of the radial supporting part, the fin-shaped component is fixed to the radial supporting part, an antenna unit is installed in the shell part, and a wireless communication function unit connected with the antenna unit is arranged in the pressure-resistant cabin. The large-depth pressure-resistant communication antenna of the unmanned underwater vehicle has the advantages of being excellent in communication quality, high in pressure resistance, optimized in size, high in space utilization rate, stable and reliable for a long time and the like, and can meet operation requirements in a deep sea environment.

The invention discloses a visual identification detection system based on rice seedlings, relates to the field of visual identification detection of rice seedlings, and aims to overcome the defects of a rice transplanter operation detection method, assist a driver in mastering rice seedling leakage information, reduce manual monitoring on a rice transplanter and the like by a rice seedling transplanting and seedling leakage detection product. An MCU control board is arranged on the surface of the computing mainboard, a power switch and a function switch are embedded into the left end of the computing mainboard, the MCU control board is connected with an RDK X3 through a UART asynchronous transceiving transmitter, the MCU control board is connected with a GPIO small lamp board, an RTK board is arranged on the surface of the computing mainboard, and the RDK X3 is connected with a 4G module through a USB. The seedling leakage monitoring system of the rice transplanter can improve the agricultural production efficiency, reduce the agricultural production cost, improve the agricultural product quality and promote the agricultural intelligent development, and is of great significance to agricultural modernization.

The utility model discloses a box body and storage equipment, and belongs to the technical field of household appliances. The box body comprises a shell; the inner container is installed in the shell, a chamber is formed, and the inner wall face of the inner container is provided with a groove which is sunken in the direction away from the chamber; the heat preservation layer is located between the shell and the inner container; the embedded part is installed in the inner container and located between the shell and the inner container; the support is installed in the groove, a receding hole is formed in the groove bottom of the groove, and the support is connected with the embedded part through the receding hole; and the trim panel is made of metal and is connected to one side, deviating from the embedded part, of the bracket. Through the arrangement of the grooves, the flatness after the support, the interior trimming panel and the inner container are matched is improved, the exposed area of the support is reduced, the cracking probability of the support is reduced, the service life of the support is prolonged, cleaning dead angles formed by the protruding support, the interior trimming panel and other structures are reduced as much as possible, and the maintainability of the box body is improved.

The axial flow pump comprises a base, the top of the base is fixedly connected with a driving motor, the axial flow pump further comprises a protective shell, the protective shell is fixedly connected to the top of the base, the inner surface of the protective shell is fixedly connected with an auxiliary assembly, and the side, away from the driving motor, of the auxiliary assembly communicates with a pump body; the outer surface of the pump body communicates with a reinforcing assembly. And the transmission shaft is fixedly connected to the output end of the driving motor, fan blades are fixedly connected to the end, close to the pump body, of the transmission shaft, and a filtering assembly is fixedly connected to the position, close to the fan blades, of the transmission shaft. According to the axial flow pump with the filtering assembly, the situation that filtering of water flow by the filtering assembly is affected when the fan blades rotate is prevented, the filtering assembly filters circulating water flow in the pump body, impurities are not prone to making direct contact with the fan blades when the water flow circulates, and therefore the situation that rotation of the fan blades stops due to the fact that the impurities are wound on the fan blades is avoided.

The utility model provides a cleaning, debridement and suture operating table for operating room nursing, and belongs to the technical field of operating tables. The cleaning, debridement and suture operating table for operating room nursing comprises a collecting table, hollowed-out grooves are formed in the two sides of the top end of the collecting table respectively, a limb sleeving mechanism is arranged between the two hollowed-out grooves, the limb sleeving mechanism comprises a transverse plate, sliding blocks, lantern rings, corrugated pipes, fixing rings and positioning holes, the sliding blocks are installed at the two ends of the transverse plate respectively, and the lantern rings are sleeved with the corrugated pipes. Positioning holes are formed in the top ends of the two sliding blocks, fastening assemblies are arranged at the top ends of the positioning holes, a lantern ring is arranged on one side of the transverse plate, one side of the lantern ring communicates with a corrugated pipe, one end of the corrugated pipe is connected with a fixing ring, and one end of the fixing ring is connected with one side of the inner wall of the collecting table. The fastening assembly comprises a bolt, a gasket and a knob, the bottom end of the bolt is in threaded connection with the interior of the positioning hole, and the top end of the bolt extends to the exterior of the hollow groove.

The utility model relates to the technical field of surgical medical instruments, in particular to a drive control handle and calculus removal mesh basket, which comprises an outer tube, an inner tube, a connector and a knob, the outer tube is provided with a limiting groove, the inner tube comprises a fixed part and a sliding part, the sliding part is connected with the connector, the sliding part is provided with a first limiting piece, and the near end of the sliding part is provided with a sliding cavity. A mounting channel is formed in the fixing part, the fixing part comprises a sliding table located at the far end, and a sliding stroke exists between the sliding table and the sliding cavity in the axial direction. The sliding part serving as a part of the inner tube is arranged in the outer tube and is protected by the outer tube, the exposed area of the reciprocating motion gap is reduced, then the clamping risk to the palm and the probability that foreign objects fall into the reciprocating motion gap are reduced or avoided, and the working stability and convenience of the driving and controlling handle and the calculus removing net basket are improved; and meanwhile, the outer pipe and the fixing part can provide a fixed holding supporting part, so that the holding operation comfort and convenience of the operator are further improved.

The utility model belongs to the technical field of kitchen waste treatment, and discloses a kitchen waste treatment device which comprises a machine body and an image collector. A working cabin is arranged in the machine body, an opening and closing door is arranged on one side of the machine body and used for closing or opening the working cabin, and a heat dissipation channel is arranged in the opening and closing door and communicated with external air through a ventilation opening. The image collector is arranged in the heat dissipation channel, an image collection port communicated with the working cabin is formed in the side, close to the working cabin, of the heat dissipation channel, and the image collector collects images in the working cabin through the image collection port. According to the kitchen waste treatment device, the exposed area of the image collector can be reduced, dirt is not prone to being accumulated, meanwhile, the contact area between the image collector and hot air is reduced, the image collector is arranged in the heat dissipation channel, the temperature of the image collector is reduced, and the image collection function is prevented from losing efficacy.

The application discloses a coal feeder feeding and conveying device for a thermal power plant, which comprises a shell assembly, a conveying assembly is mounted on the inner wall of the shell assembly, a dust removal assembly is mounted on the outer wall of the shell assembly, a mounting assembly is mounted on the inner wall of the shell assembly, and a driving assembly is mounted on the side wall of the shell assembly. The dust removal assembly is used for absorbing dust in the shell assembly, the driving assembly is used for driving the mounting assembly to move, and the conveying assembly is used for conveying coal. In the application, two fans at the top and the bottom of the mounting box import and export air to the inside of the mounting box, so that the coal dust in the inside of the mounting box can be controlled in the inside of the box body. The dust collector sucks air outward through two air suction pipes, negative pressure is generated in the middle of the mounting box, air flow at both ends of the mounting box is gathered to the middle, and the air flow is discharged by the dust collector, so that the coal dust in the inside of the mounting box can be effectively prevented from spreading to the outside of the box body.

This utility model relates to the field of dust and waste conveying technology, and in particular to a closed conveying device for dust and waste from roadheaders and anchorers. It includes a conveying frame, a conveying component, and multiple idlers. The conveying frame has two first conveying rollers symmetrically and rotatably connected to its inner wall. The conveying component includes a conveyor belt tensioned and sleeved on the two first conveying rollers. The working surface of the conveyor belt has a V-shaped conveying groove along its width. Multiple idlers are arranged at intervals along the conveying direction within the conveying frame and are rotatably connected to the inner wall of the conveying frame. In this utility model, the V-shaped conveying groove on the working surface of the conveyor belt effectively constrains the waste, preventing it from dispersing during conveying, reducing the exposed area of ​​the waste, and lowering the possibility of dust generation. The idlers provide linear support to the conveyor belt, ensuring stable operation and preventing waste from scattering due to belt swaying, thus improving the stability and reliability of the conveying process.

The invention discloses a magnetic type non-polarized electrode device, which belongs to the technical field of geophysical exploration, and comprises a non-polarized electrode, a magnetic head A, a wire and a plugging clamp, the non-polarized electrode comprises an electrode body and a magnetic suction head B; the electrode core of the electrode body extends out of the top end of the electrode body; the magnetic suction head B is sleeved outside the electrode core and is fixedly connected to the top end of the electrode body; the magnetic suction head A comprises a conductive column; the conductive column is of a telescopic structure; the magnetic suction head A and the magnetic suction head B are in magnetic suction fit, and a conductive column of the magnetic suction head A abuts against the end of the electrode core. And the plugging clamp is electrically connected with the conductive column of the magnetic suction head A through a wire. Accurate connection between the non-polarized electrode and the connecting line is achieved through the magnetic suction head, and a stable signal transmission channel can be formed between the multi-channel cable and the ground.

The utility model provides a sealing structure, sliding door and vehicle, the sealing structure includes first sealing element and second sealing element, the first sealing element includes first connecting part, extension part and first abutting part that are connected end to end in order and define the cavity together, at least the first abutting part has elasticity, the first connecting part is used for abutting against the first structural member, and the second connecting part is used for abutting against the second structural member. The extending part extends from the first connecting part to the direction far away from the first structural part; the second sealing piece comprises a second connecting part used for being connected with the second structural piece and a second abutting part which is connected to the second connecting part and extends towards the first structural piece, the second abutting part is provided with a first side face and a second side face which are back to back in the thickness direction, and the first side face elastically abuts against the first abutting part. The abutting direction of the second abutting part and the first abutting part is inclined to the connecting line direction of the first structural part and the second structural part, the sealing effect is good, gaps and excessive extrusion between the first sealing part and the second sealing part are avoided, and the service life is prolonged.

The invention relates to the technical field of stabilizers, in particular to a washable clay stabilizer. Comprising the following components in parts by weight: 0.1-0.5 part of a compound stabilizer, 0.5-1.5 parts of poly dimethyl diallyl ammonium chloride, 1-5 parts of hexadecyl trimethyl ammonium bromide, 3-5 parts of potassium chloride, 2-4 parts of ethylene glycol, 0.2-0.4 part of xanthan gum and 0.05-0.09 part of a sodium hydroxide pH regulator, wherein the compound stabilizer is obtained by mixing hexamethylenediamine tetra (methylene phosphonic acid) and oleoyl chloride according to the molar ratio of 1: (1.1-1.3), and the hydrophobic oleoyl chloride is introduced into the hexamethylenediamine tetra (methylene phosphonic acid) by adopting the compound stabilizer, so that a stable complex can be formed by the hydrophobic oleoyl chloride and metal ions on the surface of clay; a dense covering layer can be formed on the surfaces of clay particles through hydrophobic groups, so that the washing resistance of the clay stabilizer is remarkably improved, the hydration expansion phenomenon of the clay particles is reduced, and the stability of the composite stabilizer under different pH conditions is improved.

A measuring head is arranged on a metal inner conductor, a dielectric material layer is wrapped on the metal inner conductor, a metal outer conductor is wrapped on the dielectric material layer, the measuring head extends out of the metal outer conductor, a plurality of grooves which are arranged at intervals are arranged on the metal outer conductor and close to the measuring head, and the measuring head is arranged in the grooves. And the groove is used for exposing the dielectric material layer at the corresponding position. According to the invention, the traditional layout of the coaxial probe structure is changed by protruding the inner conductor and the dielectric material layer outwards, and the dielectric material of the coaxial probe is elongated to form a cone shape, so that the stability of the probe structure is ensured while the inner conductor is extended, and the protruding dielectric material layer is covered by the outer conductor, so that the reliability of the probe structure is improved. And by designing the structure of the covered outer conductor, the exposed area of the dielectric material in the external environment is reduced, so that the material loss caused by direct contact or environmental factors is reduced.

The application discloses a semi-buried power distribution cabinet based on shallow geothermal heat exchange and a control method thereof. The power distribution cabinet comprises a cabinet body partially buried in shallow soil, a heating electrical element arranged in the cabinet body, a ground source heat exchange assembly comprising a closed buried heat exchange pipeline arranged in the shallow soil, an internal liquid cooling assembly comprising a cooling jacket sleeved on the heating electrical element, the cooling jacket being connected with the buried heat exchange pipeline and forming a closed heat exchange loop, and an adjusting assembly comprising a heating and dehumidifying module arranged in the cabinet body. The application couples a part of the cabinet body with the shallow soil, reduces direct heat impact of a high-temperature environment and strong solar radiation on the cabinet body, utilizes temperature stability of an underground environment, meanwhile, retains an above-ground operation and maintenance part, can realize cooling and condensation prevention cooperation in a high-temperature, high-humidity and strong solar radiation area, and is suitable for power distribution scenes in tropical, subtropical and coastal high-salt-mist areas.

The present invention relates to the technical field of prefabricated toilets, specifically to a prefabricated rock slab waterproof and moisture-proof toilet wall and floor structure, comprising a plurality of wall panels and a floor, wherein the wall panels and the floor both comprise a layer of board and a layer of rock slab, and adjacent wall panels are connected with a hidden connection component embedded therein; the hidden connection component comprises a reference block and an embedded block, and grooves for installing the reference block and the embedded block are respectively provided on one side of two adjacent wall panels, and a self-tapping screw with one end movably penetrating the reference block is installed between the reference block and the embedded block, and the gap between the reference block and the embedded block and the wall is filled with a waterproof adhesive strip, and the reference block comprises a square block. The present invention solves the problem that the existing prefabricated toilets occupy a large space on the ground and the wall, and also reduce the aesthetics of the prefabricated toilets, and the problem that the bolts need to be tightened during assembly to fix the connectors to the wall and the plate, resulting in greater difficulty in assembly.

The utility model discloses a kind of geothermal-resistant impregnated paper laminated solid wood composite floor, including strip-shaped floor body, including by upper to lower sequentially arranged impregnated film paper, high-density fiberboard, plywood and single bottom plate, the plywood includes by upper to lower sequentially arranged multilayer wood board, and the topmost layer wood board in multilayer the wood board is first layer wood board, the conduit of the first layer wood board is distributed along the length direction of wood floor, and the pipe hole of the conduit of the first layer wood board is towards the broad side of the floor body.The pipe hole of conduit is towards the broad side of the floor body, when air moisture content is higher, the area of pipe hole exposed in first layer wood board can be reduced, plywood water absorption is reduced, thereby controlling wood floor water absorption when air humidity is larger, reduce the bulging phenomenon of wood floor.

The utility model relates to the field of constructional engineering template cutting, in particular to a protective device for a woodworking saw bench, which comprises a cover body and a suspension rod body, and a groove is arranged at the bottom of the cover body; one side, far away from the groove, of the cover body is connected with the hanging rod body, one end of the hanging rod body is connected with the cover body, the other end is provided with a hook piece, and the cover body can block ejected nails; the cover body is connected with the hanging rod body, so that the cover body is hung above the saw disc, and the cover body blocks ejected nails and prevents the nails from hurting workers; the groove is formed in the bottom of the cover body, the cover body is arranged on the rotary saw in a covering mode through the groove, the exposed area of the rotary saw is reduced, and therefore the probability that nails are ejected out of the cover body is reduced; the suspension rod body is connected to one side far away from the groove of the cover body, so that the suspension rod body is prevented from interfering with an operation area; the cover body is hung on a cross beam above a woodworking saw bench through the hook piece, so that the cover body is hung above a rotary saw, nails are prevented from splashing to hurt people, and the safety of operators is guaranteed.

The invention relates to the technical field of meat product segmentation, and discloses a meat product segmentation platform with a sterilization structure, the meat product segmentation platform comprises a main pipeline, two ends of the outside of the main pipeline are provided with a feeding bin and a discharging bin, the bottom of the main pipeline is fixedly connected with a drainage pipe, and the main pipeline is provided with a segmentation mechanism for segmenting meat on one side of the discharging bin; a feeding mechanism is arranged in the main pipeline, a plurality of ultraviolet lamp strips are fixedly connected to the interior of the main pipeline, and a steam disinfection mechanism is arranged in the main pipeline. The cutting knife is driven by the rotating ring and the connecting rod to conduct centrifugal or centripetal deflection, so that meat products are cut, in the cutting process, the whole cut deviates inwards, and after cutting is completed, the whole cut is in the center gathering state, and therefore the exposed area of the cut is effectively reduced, the probability that the meat products are polluted by bacteria is reduced, and the cutting quality of the meat products is improved. And moreover, the whole shape of the meat product is more complete due to the inwards-contracted notches.

The invention relates to a medical device (1) for the observation of a partly fluorescent object (2) such as tissue (3) comprising at least one fluorophore (4). The fluorophore (4) absorbs light in at least one spectral excitation waveband (46) and emits fluorescent light in at least one spectral emission waveband (54). In order to be able to observe also non-fluorescent regions in the tissue (3) without complicated filter arrangement, the medical device (1) according to the invention comprises at least one filter system (16, 38) which comprises, in a filter plane (18), comprises a filter area (20) and a transmission window (22). The filter area (20) comprises a band pass filter (24) having at least one passband (44) comprising the at least one excitation waveband. The transmission window has a passband (48) which is wider than the passband (44) of the filter area (20). In particular, a filter layer (64) of the filter area (20) may be missing in the transmission window (20).

The utility model relates to a high-temperature water electrolysis hydrogen production integrated thermal component which comprises an air heater and a steam heater which are cylindrical and are coaxially arranged, and the outer side of the circumference of the air heater is sleeved with an air preheater to form an upper-layer sleeve structure. The circumferential outer side of the steam heater is sequentially sleeved with a steam preheater and a steam generator to form a lower-layer sleeve structure. And a double-layer sleeve type integrated structure with an upper layer and a lower layer is formed, so that the exposed surface area of a high-temperature part can be reduced, and heat loss and thermal stress can be reduced.

The present invention relates to the technical field of boiler equipment, and specifically to an anti-abrasion tube row assembly for the heating surface of a boiler water-cooled wall, comprising an inner wall of a boiler, a serpentine tube row, a disc, a limit assembly and a baffle. Two slots are provided on the left and right sides of the inner wall of the boiler, and two limit blocks are fixed on the inner side surface of the inner wall of the boiler. The inner side of the limit block is slidably connected with a disc, and the limit assembly is screwed on a screw fixed in the middle of the disc. A sleeve is fixed on the outer end of the screw. An inner bracket arranged on the inner side of the sleeve is sleeved on the outer side of the serpentine tube row, and a stop block is fixed on the side end of the inner bracket. The stop block is clamped in a square groove provided on the inner side surface of the baffle. A support block is sleeved on each curved pipe of the serpentine tube row, and the pipes of the serpentine tube row are conveniently fixed by the sleeve and the support block. The disc drives the sleeve to move and fix by the limit assembly, so as to facilitate the fixation of serpentine tube rows of different models.

The utility model discloses a plug-in type silver plating tool, which is based on the thought of separating load bearing and electric conduction of the silver plating tool, and is provided with a load bearing hanging tool for placing parts and an electric conduction joint which is in good contact with the parts and ensures reliable electric conduction, and the load bearing hanging tool and the electric conduction joint are connected through a threaded hole; when the tool is used, the bearing hanging tool is hung on a conductive beam and fastened, the bearing hanging tool is connected with the conductive connector through a threaded hole, a part is placed in the bearing hanging tool, the stainless steel elastic structural part at the tail end of the conductive connector is inserted into a conductive hole of the part, and reliable conduction of the tool and the part in the silver plating process is achieved under the action of elastic force. By the adoption of the tool, the problem that due to the fact that a gravity hanging mode is influenced by solution buoyancy or solution shaking, the hook is prone to being in poor contact with a part can be solved, the first-pass yield of silver plating is guaranteed, and the working efficiency of silver plating is improved; the tool is simple in structure and principle and convenient to disassemble, assemble and operate, and has good application and popularization value.

The utility model discloses a melamine impregnated body paper stacking frame which comprises a base, a first lifting assembly, a second lifting assembly and a motor, a dustproof plate is movably connected to the upper portion of the first lifting assembly, dustproof cloth is fixedly installed on the dustproof plate, the bottom of the first lifting assembly is fixedly installed in the base, and the bottom of the second lifting assembly is fixedly installed in the base. The second lifting assembly is fixedly installed in the middle of the base, one end of the motor is connected to one side of the middle of the base, the first lifting assemblies are fixed through the base, the first lifting assemblies are fixed to the two sides of the base, a space is reserved in the middle, and the four corners achieve better supporting, lifting and pressing effects. The movement range of the second lifting assembly is limited, the second lifting assembly and the first lifting assembly can be better matched for use, and the supporting and lifting effects are achieved.

The invention discloses a method for preparing a high-quality organic semiconductor film by a solution static micro-tilt film forming method, which introduces a static micro-tilt film forming method, combines an ingenious cover plate design to form a micro gap of a semi-closed space between an inclined cover plate and a horizontal substrate, reduces the exposed area of a three-phase interface, and improves the film forming efficiency. The method has the advantages that the influence of interface dynamic change on deposition quality in the solvent evaporation process is reduced, the uniformity, compactness and adhesion of a deposition layer are remarkably improved, Meniscus circulation is induced, solute is efficiently transmitted to a three-phase junction, accurate deposition of the solute on a leading edge interface is realized, uniform and compact deposition of the film is promoted, uniform and ordered growth of the high-quality film is realized, and the deposition quality of the film is improved. The method is especially suitable for uniform and ordered deposition of a solution with high surface tension and strong intermolecular force on a substrate, has extremely obvious advantages, and can greatly reduce the condition selection difficulty of an organic material deposition process and obviously improve the performance of a device.

The invention relates to a display module supporting structure, a spliced screen module and a display screen module. The display module supporting structure comprises a bottom shell and a first colloid, a mounting groove is formed in the bottom shell and used for containing the lamp panel, the mounting groove comprises a first groove part and a second groove part which communicate with each other, the second groove part is arranged on the side, close to a groove opening of the mounting groove, of the first groove part, and the groove wall of the second groove part is sunken towards the side, away from the center line of the mounting groove, relative to the groove wall of the first groove part; a step wall is formed at the joint of the first groove part and the second groove part; the first colloid is filled in the gap between the groove wall of the second groove part and the lamp bead on the lamp panel so as to cover the step wall. The step wall is covered by the first colloid to partially shield the edge of the bottom shell, so that the exposed area of the bottom shell is reduced under the front view angle, the thickness of the splicing gap of the adjacent screen bodies is reduced under the multi-screen splicing application scene, the splicing black edge is greatly eliminated, and the display effect of the whole screen is improved.

The device comprises a water storage tank and further comprises a partition platform, an annular water bag and a top water injection assembly, a partition cavity is formed in the side wall of the water storage tank, a plurality of supporting plates are arranged in the partition cavity, the partition platform is arranged at the inner top of the water storage tank, a plurality of fixing frames are fixedly connected to the outer wall of the water storage tank, and the annular water bag is fixedly connected to the outer wall of the water storage tank. The annular water bag is fixedly connected in the water storage tank, the bottom of the water storage tank is communicated with a bottom barrel, a multi-directional discharge mechanism is arranged between the annular water bag and the bottom barrel, the top water injection assembly is arranged at the top of the water storage tank, and a water injection lifting mechanism is arranged between the top water injection assembly and the annular water bag. The problem that in the prior art, when water is stored in a water storage tank, the water storage tank is prone to being affected by temperature difference in the external environment is solved.

The utility model provides a transformer framework and a transformer thereof. The transformer framework comprises a bottom wall, a side wall and a plurality of pins. Wherein the side wall and the bottom wall define a containing space with an opening, and the containing space is used for containing a magnetic core and a coil. And the plurality of pins are fixedly connected with one side, deviating from the accommodating space, of the side wall and are arranged at intervals. The framework is not provided with a wrapping post for accommodating the magnetic core, the base is cut into the certain accommodating space for accommodating the coil, and the magnetic core can be connected with the bottom wall of the accommodating space, so that the utilization space of the base is increased, and the volume of the whole framework is reduced. More importantly, the side wall plays a part of role in preventing the coil from being contacted with the external pin, and the exposed area of the coil is greatly reduced, so that the breakdown risk is also greatly reduced.

The utility model relates to the technical field of disc brakes, and discloses a bicycle disc brake module which comprises a frame used for connecting a brake module and a bicycle body, the right end of the frame is fixedly connected with a combination convex part, and the upper end and the lower end of the combination convex part are meshed with a first bolt and a second bolt respectively. The surface of the first bolt is sleeved with a first gasket and a third gasket, the surface of the second bolt is sleeved with a second gasket and a fourth gasket, and the spherical surface combination part is used for adjusting the angle of the brake module. Through the angle adjusting device composed of the spherical surface combination part, the connecting assembly and the first brake assembly, multi-angle adjustment and installation can be achieved, operation is more convenient during installation and arrangement, the brake disc clamping device can be suitable for adjustment of brake discs of more sizes, the brake disc clamping area can be adjusted and controlled, the friction area can be adjusted, and the service life of the brake disc is prolonged. And then the braking sensitivity is ensured by controlling the friction area, so that the durability of the disc brake is improved.

The utility model relates to the technical field of sealing elements, and discloses a sealing element for a compressor valve, which comprises a shell, one side of the shell is provided with a limiting stopper for sealing, the top of the shell is fixedly provided with a stabilizing pipe for preventing shaking, a ball valve for blocking is clamped in the shell, and the limiting stopper is arranged on the other side of the shell. And a rotator for conveniently adjusting the angle is fixedly mounted at the bottom of the shell. According to the sealing element for the compressor valve, through matched arrangement of the shell and the limiting stopper, the device can be more conveniently overhauled when being abraded during use, parts can be replaced, so that the time required by maintenance is shortened, internal precision parts can be protected through arrangement of the shell, and the service life of the device is prolonged. And internal parts are prevented from being damaged by external pressure, the limiting stoppers are arranged, so that the device can be conveniently disassembled, the interior of the device can be quickly overhauled when leakage occurs, and the convenience of the device is improved.

The present application provides a kind of pipe diameter inner shot blasting device centralizer, including throw head arm, throw head arm one end is equipped with throw head, throw head arm is equipped with centralizer ring, centralizer ring is equipped with multiple curved support rods, support rod can be telescopic, support rod one end is equipped with universal ball bearing, multiple universal ball bearings are abutted on pipe diameter;Multiple universal ball bearings are jetted towards the side of pipe diameter.Just by the free rotation of its ball, universal ball bearing is adapted to the horizontal movement of pipe diameter rotation and throw head, reduce the resistance when throw head and pipe diameter relative motion.At the same time, the buffer mechanism of support rod and spring can reduce the larger vibration generated when universal ball bearing ball passes through pipe diameter weld, buffer the impact of throw head deadweight to the whole equipment.Universal ball bearing ejects the reaction force of gas and offsets the gravity of throw head arm part.Avoid throw head and pipe diameter contact, avoid scratch when universal ball bearing and pipe diameter contact, affect pipe diameter quality.