142results about How to "Reduce stress concentration" patented technology

This invention belongs to the field of clamping fixture technology, specifically a clamping fixture for casting production and processing and its operating method. The clamping fixture includes a crossbeam, with a hydraulic cylinder fixedly connected to the top of the crossbeam and a set of hangers fixedly connected to the bottom of the crossbeam. Each set of hangers has a set of crossbars fixedly connected to it, and each set of crossbars is slidably connected to a limiting seat. A movable seat is fixedly connected to the bottom of each of the two limiting seats, and a mounting arm is fixedly connected to the bottom of each of the two movable seats. Mounting plates are fixedly connected to the bottom of opposite sides of each of the two mounting arms. Floating chucks are provided on the mounting plates, and support components are provided on each of the two mounting arms. This invention, by setting multiple sets of floating chucks on the mounting plates on both sides, can tightly fit the outer walls of both sides of the cylinder head, better clamping and fixing the cylinder head. By setting the support components, after the floating chucks clamp the cylinder head, they can support the cylinder head from below, reducing the working pressure of the floating chucks and preventing excessive clamping force from damaging the cylinder head surface.

The utility model discloses a kind of light-weight motor mounting bracket, it is related to motor bracket production appliance technical field, including installation base, installation base top one end is welded with mounting plate, mounting plate bottom side is welded with the reinforcing rib for strengthening fixed, reinforcing rib bottom is welded on installation base, mounting plate top is fixedly connected with connecting block, connecting block is opened with the fixed hole for connecting external equipment, mounting plate is opened with the heat dissipation hole for ventilation, the utility model is set through connecting block, can ensure the reliable connection of bracket and external equipment, optimize the transmission path of force, reduce stress concentration;Through the setting of expansion bolt, the quick, accurate installation of bracket can be realized, the firmness of guarantee installation;Through the setting of reinforcing rib, it can be ensured that the connecting part of mounting plate and installation base does not crack or deform when motor high-speed operation or load changes, solve the structural damage problem caused by insufficient strength of connecting part of traditional bracket.

The utility model belongs to bridge building technical field discloses a kind of bridge high bearing capacity node optimization structure, including H-shaped steel, H-shaped steel is connected with link steel by reinforcing bolt and reinforcing nut, first hinged seat is equipped on link steel, transverse I-beam is installed on link steel, second hinged seat is equipped on transverse I-beam;Link member is connected between first hinged seat and second hinged seat, link member includes core energy consumption section, transition section and elastic connecting section, first hinged seat, second hinged seat and link member form triangular force transmission mechanism, core energy consumption section is equal cross section steel plate, two end elastic connecting sections are connected with first hinged seat and second hinged seat, top angle angle of triangular force transmission mechanism is 45 °-60 °, and the axis of first hinged seat and H-shaped steel web center line present 10 °-15 ° angle of inclusion.The utility model not only can realize the multidirectional transmission of node area force, but also can avoid the stiffness mutation problem caused by traditional welding, and can inhibit the expansion of microcrack.

This utility model relates to the technical field of rail vehicle components and discloses a uniformly stressed rubber stack for rail vehicles, including a support base. A central metal sphere is fixedly installed inside the support base. A first rubber layer is fixedly installed on the outer side of the central metal sphere. A first supporting sphere is fixedly installed on the outer side of the first rubber layer. A second rubber layer is fixedly installed on the outer side of the first supporting sphere. A second supporting sphere is fixedly installed on the outer side of the second rubber layer. This uniformly stressed rubber stack for rail vehicles has a cylindrical support plate with a first and second inclined surface, reducing stress concentration. Through a multi-layer metal reinforcement structure design, local stress concentration is reduced, dynamic load transfer efficiency is improved, and the longitudinal and lateral stiffness of the rubber stack is increased, resulting in uniform stress distribution, extended service life, longer replacement cycles, lower failure rates, and reduced maintenance costs.

This utility model relates to the field of wall connection technology and discloses an efficient connection device between a BRB (Brick Reinforced Bench) and a secondary structure wall. It includes a channel steel 2C10 and an upper wall of the BRB. A steel frame beam is fixedly connected to the top of the channel steel 2C10, and an embedded part is fixedly connected to the bottom of the channel steel 2C10. A first connecting ear plate is provided on the outer side of the channel steel 2C10, and a tie bar is fixedly connected to the outer side of the first connecting ear plate. Polyurethane foam is provided at the bottom of the upper wall of the BRB. In this utility model, the double-layered channel steel and the tie bar on the connecting ear plate can disperse localized concentrated loads in the wall, effectively transferring these loads to the main structure, reducing stress concentration in the wall. Under seismic action, the tie bar forms an energy dissipation mechanism, helping to dissipate seismic energy and reducing damage to the building wall. The tie bar can also restrain the development of temperature shrinkage cracks, ensuring the durability and safety of the wall, and has significant market and social value.

This invention discloses a SiC with an ultra-high temperature ceramic gradient coating. f / SiC composite materials, their preparation methods, and applications. A double-layer glow discharge plasma surface metallurgical method is used to prepare SiC composite materials. f A (Hf,Si,Ta)C gradient composite coating was prepared on the surface of the SiC composite material. This coating was able to resist SiC in an oxygen atmosphere at 1773 K. f Effective protection of SiC composite materials. The specific advantages of this invention are: (1) Ion bombardment of the substrate significantly improves the point defects and conductivity of the composite substrate; (2) The (Hf,Si,Ta)C coating has a continuous gradient structure, forming a good metallurgical bond between the coating and the substrate, with high bonding strength; (3) The similar thermal expansion coefficients of the (Hf,Si,Ta)C coating and the substrate can improve the thermal mismatch between the coating and the substrate, reducing the tendency for coating peeling and cracking during service; (4) The (Hf,Si,Ta)C coating system has a high service temperature and self-healing ability. The coating prepared by this invention has excellent high-temperature protection performance, improving the protection of SiC. f The high-temperature service life of SiC composite materials has broad application prospects in the aerospace field.

The utility model relates to the technical field of sealing gasket, especially to a double-layer composite sealing gasket, which comprises a metal ring, an annular cavity is arranged on the inner side of the metal ring, a rubber ring is fixed in the annular cavity of the metal ring, an annular deep groove and an annular shallow groove are arranged on the inner circumferential surface of the rubber ring, the annular deep groove and the annular shallow groove are connected through at least one sawtooth groove, the depth of the groove bottom of the sawtooth groove gradually decreases from the annular deep groove to the annular shallow groove, compared with the prior art, the composite structure of the metal ring and the rubber ring, combined with the unique annular deep groove, annular shallow groove and sawtooth groove on the inner circumferential surface of the rubber ring, can effectively improve the sealing performance of the sealing gasket, the annular deep groove and the annular shallow groove can form multiple sealing lines during the sealing process, and the blocking ability of the fluid is enhanced, the uniform distribution of pressure is facilitated by the through design of the sawtooth groove, stress concentration is reduced, and the pressure resistance and wear resistance of the sealing gasket are improved.

The utility model discloses an electromagnetic function test system, include: both side's stand, the stand middle part is installed with the feed source installation platform through the lifting structure, two groups of feed source assembly are installed above the feed source installation platform, the feed source installation platform bottom has the wave absorbing background structure, the wave absorbing background structure middle part places the sample to be measured, the feed source installation platform realizes horizontal direction transverse movement through the translation structure, has the rotary structure in the feed source assembly, thereby realizes the measurement process realizes up and down movement, left and right movement and angle rotation conversion, solves the technical problem of the measurement error of the test system in the prior art is serious, cannot simultaneously compatible P, L wave band material test and high frequency microwave test and cannot achieve the comprehensive electromagnetic function material test analysis of multiple projects.

The utility model provides a kind of hoisting structure for clearing warehouse machine, comprising: fixed support, connecting frame, support arm, rotating mechanism, cable mechanism and hoisting mechanism, the connecting frame is located at the bottom of fixed support, the support arm is rotatably connected in the bottom of connecting frame, the rotating mechanism is located at the top of fixed support and is connected with connecting frame, the cable mechanism is located on rotating mechanism, the hoisting mechanism is located on cable mechanism. By setting cable one, pulley one, pulley two, lifting hook one, lifting hook two and cable two and other structures, the overall connection of cable is simple, force transmission path is simple and clear, energy loss is smaller when bearing conventional load, load can be more efficiently transmitted to anchorage point, stress can be effectively dispersed, stress concentration can be reduced, and the number of connecting components is small, the installation period is short, the daily maintenance cost and workload are small, effectively improve the service durability and safety of cable structure.

The utility model discloses a prestressed hollow square pile reinforcing structure, include: pile body, reinforcing component, the reinforcing component includes upper reinforcing block, lower reinforcing block, reinforcing rib, support ring, hanging rod and positioning slot, upper reinforcing block distributes in the upper portion of the inner surface of pile body, and lower reinforcing block distributes in the lower portion of the inner surface of pile body, and support ring is fixedly connected between a plurality of upper reinforcing blocks and a plurality of lower reinforcing blocks respectively, and reinforcing rib is poured and is connected between a plurality of support rings, and hanging rod is fixed in the outer end of reinforcing rib. The utility model discloses being equipped with the reinforcing component, after upper reinforcing block, lower reinforcing block, reinforcing rib and support ring are installed in the inside of pile body, hanging rod is hung in the inside of positioning slot, and top ring is inlaid in the top and bottom of the inner surface of pile body and is clamped with the top of hanging rod through the clamping hole, pours and fills in the inside recess, makes top ring and upper reinforcing block, lower reinforcing block realize fusion between, forms integrated reinforcing structure, and the integrity of the inside of pile body is strengthened.

The utility model relates to power system transmission line technical field discloses an overhead power line protection hardware, including two fixed rings, the adjacent side of two fixed rings is provided with protection mechanism, the top of fixed ring is provided with stabilizing mechanism, the stabilizing mechanism is used for adaptive adjustment under extreme terrain, the bottom of fixed ring is provided with stabilizing component, the protection mechanism includes two buffer rings, the opposite side of two buffer rings is fixedly connected with fixed shaft, the outer wall middle end of fixed shaft is fixedly connected with stress block, the adjacent side of two stress blocks is fixedly connected with spring left and right ends all. In the utility model, after the snow melts, the spring and the buffer block reset the bent electric wire, avoid long -term deformation damage, effectively improve the problem of existing technology under heavy ice pressure loss electric wire, significantly improve the power line security and durability.

The utility model belongs to the technical field of unmanned plane, concretely relates to a retractable landing gear, including containing frame, landing support, limiting component and telescopic push rod. The utility model discloses the rotation direction adjustment is toward the advancing direction of unmanned plane when the landing support is stored in the internal storage cavity of containing frame, and when the landing support rotates to the vertical state, limiting support is realized by utilizing limiting component, so that in the ground taxiing stage of unmanned plane, the reverse torque borne by the landing support will not be transmitted to the telescopic push rod, effectively reduces the abrasion and fatigue damage of telescopic push rod, guarantees its stability in the long -term use process, and then prolongs the service life, and reduces maintenance cost and replacement frequency.

The utility model relates to bridge engineering technical field, and disclose a kind of steel box girder and concrete pier column consolidation structure, including steel box girder, concrete pier column, shear nail and the adjusting member for adjusting the elevation of steel box girder installation, concrete pier column top is reserved with shear key, steel box girder bottom is equipped with for with concrete pier column top socket joint connection's notched, concrete pier column top outer circumferential wall is equipped with the slope of being inserted easily, concrete pier column top is inserted in the inside of notched, adjusting member includes jacking corbel and jack, jacking corbel is connected by bolt with the reserved planting bar on the outer wall below concrete pier column, jack is installed in jacking corbel top, jack top and steel box girder bottom are abutted. The present application is simple in structure, high in precision of factory prefabrication, force transmission is direct in socket design, stress concentration is small, and the elevation of section member is accurately adjusted, convenient for construction, applicable to complex environment and large-span bridge.

The utility model relates to a cooperative bearing column bearing type double-wall square cylinder group bin. The upper frame beam and the lower frame beam are of a reinforced concrete structure formed by integral pouring and are used for connecting the square cylinder single bins and the supporting columns to form a collaborative bearing system, and a plurality of friction pendulum shock insulation supports are evenly distributed between the upper frame beam and the lower frame beam so that rigid connection can be changed into semi-flexible transition connection. The inner wall and the outer wall of the double-wall structure are connected together through a plurality of evenly-distributed connecting embedded columns to be borne on the upper frame beam to form an integrally-integrated bearing structure, the upper frame beam is used for cooperatively bearing the square cylinder single bins, the lower frame beam is used for cooperatively connecting the supporting columns, and therefore cooperative bearing of the upper frame beam is matched. The stress concentration effect caused by direct rigid contact of the silo wall and the supporting columns can be obviously relieved, the problems of eccentric stress and large local stress peak value caused by different gravity of each single square cylinder silo are solved, and it is ensured that the structural safety of the square cylinder group silo is higher, and the anti-seismic property is higher.

This utility model relates to a charging pole transformer substation. The technical problem this utility model aims to solve is to provide a charging pole transformer substation. The technical solution adopted by this utility model includes a transformer substation frame, a transformer substation door assembly, and a transformer substation rainproof top cover. The transformer substation frame includes a load-bearing beam assembly and supporting crossbeams. The load-bearing beam assembly includes a load-bearing beam, a load-bearing beam end cap, and a main connecting pin for the crossbeam. The load-bearing beam includes a rounded transition portion and a connecting portion. The connecting end of the load-bearing beam is provided with a T-shaped interface, and the inner and outer sides of the load-bearing beam are provided with T-shaped limiting ports. The advantages of this utility model are: the transformer substation frame is connected by a rounded transition of the load-bearing beam, reducing stress concentration and improving bending resistance and seismic performance; the load-bearing beam end cap and the crossbeam are fixed together by three-point screws through the connecting pin connection hole, the crossbeam threaded hole, and the end cap connection hole, forming a multi-point locking structure, resulting in a stable connection, high strength, and resistance to loosening.

This utility model relates to the field of land settlement simulation technology, and discloses a land settlement device for simulating well flow stratified pumping, including a model box, an injection pipe, a pumping pipe, a water pump, a pressure measuring pipe, an earth pressure sensor, and a pore pressure sensor. The model box is cylindrical and is filled with alternating layers of clay and sand. A pumping pipe is installed along the central axis of the model box, and the injection pipe extends into it from the outside to the inside circumferentially. The pumping pipe has a multi-layered casing structure, with sealing airbags between the casings. The inner casing extends to a deeper sand layer, and the outer casing extends to a shallower sand layer. The pressure measuring pipe is installed within the depth range of each of the multiple sand-filled layers. Each casing of the injection pipe is connected to a water pump. Earth pressure sensors and pore pressure sensors are uniformly and symmetrically arranged inside the model box. This utility model aims to construct a geotechnical test chamber and simulate the radial flow field characteristics of a pumping well point through stratified pumping control, providing support for water-based well drilling projects.

This utility model discloses a miniaturized ceramic dielectric chip, belonging to the field of capacitor technology, to solve the problem that when the edge of a disc ceramic capacitor contacts the circuit board, stress concentration easily leads to edge breakage, which not only reduces the product yield but may also affect the reliability and service life of the entire circuit system. This utility model uses Y5U ceramic material with a dielectric constant of 8500-9200 as the ceramic dielectric substrate. Its shape is a cube with dimensions of 7×5×1.2mm. The four corners of both the front and back sides are chamfered, and the ends of the vertical edges on all four sides are rounded at the chamfer connections, with an arc length of 0.4mm-0.5mm. Within this arc range, the stress concentration problem during mounting is effectively alleviated, the structural stability of the chip is ensured, and the electric field distribution is optimized.

The application provides a clamping block for rail connection, relates to the technical field of rail connection, and comprises a first connecting part for bolt connection, the bottom of the first connecting part is integrally formed with a first reinforcing protrusion, the two sides of the first connecting part are integrally formed with symmetrical second connecting parts, the lower part of each second connecting part is provided with an outward arc-shaped hook, and the starting position of the arc-shaped hook of each second connecting part is integrally formed with a second reinforcing protrusion. The first reinforcing protrusion and the second reinforcing protrusion improve the structural strength of the clamping block, enhance the load capacity of the clamping block, avoid damage of the clamping block caused by overloading due to wind, snow and other natural loads, effectively eliminate the safety hazards of battery panel falling and causing injury and damage, and ensure long-term stable operation of the solar system.

The embodiment of the application discloses a punching die and a punch, the punching die comprises an upper die and a lower die, the upper die comprises an upper die seat, a punch, and a first positioning structure, the first positioning structure and the punch are arranged on the upper die seat; the lower die comprises a lower die seat, a die core, and a second positioning structure, the die core is arranged on the second positioning structure, and the second positioning structure is movably connected to the lower die seat. When the punching die is in a closed die state, the second positioning structure is positioned and matched with the first positioning structure, the punch is arranged in the die core, and the die core is pressed against the lower die seat. In this way, when the punching die is in the closed die state, the die core is pressed against the lower die seat, so that the pressure applied by the punch can be shared by multiple components (such as the die core, the lower die seat, and the like), thereby avoiding that the die core bears the force of the punch alone, and thus the stress concentration on the die core is reduced, and the risk of fracture of the die core is reduced.

The application provides a kind of glass bottle stable conveying equipment, belongs to conveying equipment technical field. Including horizontal conveying belt and the mounting bracket that is symmetrically distributed in the two sides of horizontal conveying belt, first guide rail, second guide rail and third guide rail are assembled on mounting bracket, the outside of first guide rail, second guide rail and third guide rail is equipped with lifting conveying belt, the outside fixed connection of lifting conveying belt is evenly distributed with clamping seat, mounting bracket is ladder-shaped as a whole, and the low end and high end of mounting bracket are fixedly installed with servo motor.The application is tilted by setting adjustable second guide rail, lifting conveying belt and clamping seat connected with it, and is matched with the pressing assembly composed of electric telescopic rod and second ball seat, when conveying special-shaped glass bottle, second guide rail can be driven to drive lifting conveying belt and clamping seat to form the inclined angle that fits with bottle body, increase contact area, so as to effectively improve the clamping stability and conveying safety.

The utility model relates to cement pole flange reinforcing technical field, and disclose a kind of conical cement pole flange reinforcing structure, including flange plate one, the bottom side of flange plate one is provided with radial support subassembly, the outside sleeve joint of radial support subassembly has conical cover, the sidewall of radial support subassembly is connected with reinforcement rib subassembly and is penetrated, the bottom end of radial support subassembly is fixedly connected with flange plate two, the upper end of flange plate one the conical cover is welded with welding frame. Through radial support subassembly through vertical passage one, circular buffer ring and vertical passage two form elastic support system, both can pass through rigid channel transmission axial load, and circular buffer ring of rubber material can also be used to absorb radial impact force, reduce stress concentration to the damage of cement pole;Radial rod, oblique rod and annular reinforcement rib in reinforcement rib subassembly constitute three-dimensional rigid network, can effectively disperse axial tension, pressure and torque, improve structure overall deformation resistance.

The utility model relates to the technical field of anti -floating anchor rod, concretely is a kind of fine rolled threaded steel anchor rod anchor head internal pressure installation structure, including threaded steel anchor rod main body, the middle part threaded connection of threaded steel anchor rod main body one end is equipped with locating nut, the one end of the locating nut is equipped with metal backing plate, the one end fixed mounting of metal backing plate has conical plug, the one end threaded connection of threaded steel anchor rod main body has end anchor head, the periphery of the lower end of the middle part of end anchor head is all equipped with split groove, the middle part of the lower end of end anchor head is equipped with conical slot, the one end of conical slot is equipped with abutting slot, the one end threaded connection of threaded steel anchor rod main body is equipped with limiting nut.The utility model has solved the traditional anchor head, such as mortar bonding type, shell type relies on grouting solidification or knocking extrusion and generates anchoring force, internal pressure forms hysteresis and cannot be actively adjusted, there are many problems in actual use.

The application provides a simple wardrobe frame, and belongs to the technical field of furniture. The simple wardrobe frame comprises a vertical rod, a bearing piece, a plurality of clamping pieces and a plurality of connecting sleeves. One of the vertical rod and the clamping piece is provided with a limiting groove, and the other is provided with a limiting protrusion. The clamping piece is clamped outside the vertical rod, and the limiting protrusion is clamped in the limiting groove. The connecting sleeve is sleeved outside the corresponding clamping piece. The inner cylinder of the connecting sleeve is conical, and the outer wall of the clamping piece is at least partially attached to the inner wall of the connecting sleeve. The bearing piece is connected to at least one connecting sleeve. The simple wardrobe frame provided by the application disperses stress through the conical gradually changing cross section, reduces stress concentration, reduces shear force and bending stress, and thus can improve the fatigue resistance of the connecting sleeve and reduce the risk of cracking. In addition, after the bearing piece bears an object, the conical inner cylinder of the connecting sleeve will press down the clamping piece, so that the connection between the connecting sleeve, the clamping piece and the vertical rod is more stable, and the stability and durability of the entire simple wardrobe frame are improved.

The utility model relates to mechanical equipment technical field, concretely relates to a rubber coated guide wheel structure. The utility model provides a rubber coated guide wheel structure, including base body and rubber coating, and the base body includes the body part and the connecting portion who connects each other, and the connecting portion extends along the body part circumferential extension setting. The connecting portion is configured as a boss, and the boss is arranged in a stepped arrangement along the radial direction of the body part, and the rubber coating completely covers the boss. The stepped boss structure replaces the traditional plane contact interface, the contact area of the base body and the rubber coating is expanded by using the trapezoidal section and the radial stepped arrangement, the shear force is converted into axial component force to reduce stress concentration, and the rigid framework formed by the boss provides embedded support for the rubber coating, thereby solving the technical problems that the existing rubber coated guide wheel is prone to interface degumming and rubber layer fatigue deformation.

The application discloses a vertical connecting node of round bamboo and a construction method thereof and belongs to the technical field of connecting technologies of fabricated bamboo structures. The vertical connecting node of round bamboo comprises a bamboo cylinder, a first horizontal through hole, a through rod assembly, a vertical composite shear core, a hoop self-tightening band and a buckling half-steel ring. The vertical composite shear core is arranged in the bamboo cylinder and comprises a steel sleeve, a resin wrapping layer outside the steel sleeve and a filled resin filling layer. The vertical composite shear core is provided with a second horizontal through hole. The hoop self-tightening band is arranged outside the bamboo cylinder and comprises a shape memory alloy. The buckling half-steel ring is arranged outside the bamboo cylinder, and the through rod assembly penetrates through the buckling half-steel ring. After the hoop self-tightening band is activated, hoop pre-pressure is generated, cooperates with an FRP outer constraint layer and forms a hoop self-tightening constraint system to inhibit hole splitting and local buckling. The vertical composite shear core provides the required shear resistance and slip resistance of the node, reduces stress concentration, avoids the fracture of the end of the bamboo cylinder and realizes overall sealing, corrosion resistance and durability.

This invention relates to a gear welding device and method for a press, belonging to the field of press manufacturing. The technical solution is as follows: A gear welding device for a press includes a work platform with a ground rail. A transfer trolley is movably mounted on the ground rail to carry the gear to be welded. Positioners are mounted on both sides of the ground rail, each equipped with a rotatable gripper. A gantry frame is also mounted on the work platform, spanning the ground rail. A welding robot is movably mounted on the gantry frame, its movement direction being horizontal and perpendicular to the ground rail. The welding robot is equipped with a machine vision module. This solution, through the positioner grippers, can precisely achieve 180° rotation of the gear, providing a stable posture adjustment basis for double-sided welding. The welding robot, combined with the machine vision module, enables automated and high-precision acquisition of weld information, providing data support for intelligent welding path planning.

The application provides a polymethyl methacrylate product and a preparation method thereof. The preparation method of the polymethyl methacrylate product comprises the following steps: S1. mixing a resin matrix, a toughening agent, an antioxidant and a light stabilizer to obtain a mixture; the resin matrix comprises a polymethyl methacrylate resin; the toughening agent comprises a core-shell structure toughening agent and a polyester-based toughening agent; the core-shell structure toughening agent comprises a core and a shell layer; the core comprises polybutyl acrylate, and the shell layer comprises polymethyl methacrylate; S2. melt blending, extruding and granulating the mixture, and drying, injection molding, cooling and annealing. In the application, the core-shell structure toughening agent and the polyester-based toughening agent can synergistically improve the toughening effect.

The embodiment of the application provides a device for detecting tooth root of goods of unmanned forklift, comprising an unmanned forklift, characterized in that: the bottom of the unmanned forklift is provided with a fork, and a tooth root sensing assembly is arranged at the root of the fork; the tooth root sensing assembly is embedded in the internal groove area of the fork, and the tooth root sensing assembly is lifted synchronously with the fork; the tooth root sensing assembly comprises a sensing plate, a proximity switch, a fixing support, a sensing bolt, a rotating shaft, a torsional spring and a bolt. The technical problem solved by the application is to provide a device for detecting tooth root of goods of unmanned forklift, which combines mechanical structure and inductive proximity switch to improve the stability and reliability of goods detection, enhance the adaptability to low-temperature environment, and reduce maintenance cost.

This invention provides a compressor housing assembly, a compressor, and an air conditioner. The compressor housing assembly includes a compressor housing and a sensor mounting bracket fixedly connected to the compressor housing. The sensor mounting bracket includes a mounting body, and an insertion channel for pressing a temperature measuring section of a temperature sensor is formed between the mounting body and the compressor housing. A cantilever pressing structure is formed on the end face of the mounting body downstream of the temperature sensor insertion direction. The cantilever pressing structure extends a predetermined length M along the insertion direction, where 7L / 8≥M≥L / 3, where L is the axial length of the temperature measuring section of the temperature sensor. This invention ensures a large pressing contact area with the temperature sensor, thus ensuring reliable pressing and preventing loosening due to an insufficient pressing contact area or scratches or pressure damage to the sensor due to excessive local force. The deformation of the cantilever pressing structure is also more controllable.