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11004 results about "Chassis" patented technology

A chassis (US: /ˈtʃæsi/, UK: /ˈʃæsi/; plural chassis /-iz/) is the load-bearing framework of an artificial object, which structurally supports the object in its construction and function. An example of a chassis is a vehicle frame, the underpart of a motor vehicle, on which the body is mounted; if the running gear such as wheels and transmission, and sometimes even the driver's seat, are included, then the assembly is described as a rolling chassis.

Folding Frame and Wagon Using the Same

A folding frame comprises a first stand assembly, a second stand assembly and a bottom frame assembly, wherein the first stand assembly comprises two groups of first telescopic assemblies and a group of first connecting assemblies; any one of the two groups of first telescopic assemblies comprises a first connecting rod and a first telescopic rod, and the first connecting rod and the first telescopic rod are distributed in a cross shape; the first connecting assembly consists of two first connecting rockers; the second stand assembly comprises two groups of second telescopic assemblies; any one of the two groups of second telescopic assemblies comprises a second connecting rod and a second telescopic rod, and the second connecting rod and the second telescopic rod are distributed in a cross shape.
Owner:SUZHOU BAOLUN NETWORK TECHNOLOGY CO LTD +1

Automatic anchor protection platform having combined support of anchor rods and anchor cables

The present invention belongs to the technical field of anchor protection apparatuses. Provided is an automatic anchor protection platform having combined support of anchor rods and anchor cables. The automatic anchor protection platform comprises a movable chassis, a multi-cycle anchor rod drilling rig, an anchor rod drilling rig posture positioning control device, an anchor cable support device, a temporary support device, an electrical system and a hydraulic system. Said automatic anchor protection platform integrates the multi-circle anchor rod drilling rig, the anchor cable support device and the temporary support device, and therefore meets the anchoring and support requirements of roadways under different geological conditions, allows anchor rod and anchor cable parallel support operations to be conducted at the same time, and achieves efficient coordinating matching linkage integrated design, thus further promoting efficient operation processes in limited spaces such as coal mines and tunnels.
Owner:TAIYUAN INST OF CHINA COAL TECH & ENG GROUP +1

High-strength hot-rolled pickled steel plate for automobile chassis and production method thereof

The invention belongs to the field of metal materials, and particularly relates to a high-strength hot-rolled pickled steel plate for an automobile chassis and a production method thereof. The steel plate is mainly suitable for manufacturing automobile chassis structural parts. The steel comprises the following chemical components: C, Si, Mn, Al, V, Ni, Cu, Cr, Pt and Y, P is limited to be less than or equal to 0.015%, S is limited to be less than or equal to 0.005%, N is limited to be less than or equal to 0.006%, and the balance is Fe and inevitable impurities. The yield strength of the steel plate ranges from 498 MPa to 552 MPa, the tensile strength ranges from 608 MPa to 643 MPa, the transverse elongation A ranges from 33% to 38%, the steel plate is qualified after transverse cold bending by 180 degrees D = a, the surface quality is good, oxide scale stripes and chromatic aberration defects are avoided, the surface roughness Ra ranges from 1.10 micrometers to 1.35 micrometers, and the steel plate has excellent corrosion resistance.
Owner:ANGANG STEEL CO LTD

Trolley

A novel trolley comprises a foldable frame, a handle mounted behind the frame, and four wheel assemblies mounted at four corners of the frame. The frame comprises a frame body consisting of a front wall assembly, a rear wall assembly and two side wall assemblies, as well as a bottom frame assembly located at the bottom of the frame body. Each side wall assembly comprises two connecting rods. Each connecting rod comprises two long rods, two medium rods and two short rods, wherein lower ends of the two long rods are rotatably connected to form a V-shape that is open upwards, and upper ends of the two long rods are rotatably connected to an upper end of the front wall assembly and an upper end of the rear wall assembly respectively.
Owner:ZHEJIANG PRIDE LEISURE PROD CO LTD

Camping wagon

A camping wagon achieves high portability and large capacity. Meanwhile, the camping wagon features lower sales costs and more cost-effective packaging in the e-commerce field. In the camping wagon, each of four corners of a folding bottom frame is provided with one support rod; one first folding side frame is provided between each two adjacent support rods in a width direction of the folding bottom frame, and one second folding side frame is provided between each two adjacent support rods in a length direction of the folding bottom frame; upper side ends of two second X-shaped movable frames of the second folding side frame are respectively hinged to corresponding support rods through linkage rods; and two upper side ends of one third X-shaped movable frame of the first folding side frame are respectively hinged to corresponding support rods through linkage rods.
Owner:HANGZHOU YIJIAYI CROSS-BORDER ELECTRONIC COMMERCE CO LTD

448MPa-grade hot-rolled pickled steel plate for automobile and production method of hot-rolled pickled steel plate

The invention belongs to the field of metal materials, and particularly relates to a 448 MPa grade hot-rolled pickled steel plate for an automobile and a production method of the 448 MPa grade hot-rolled pickled steel plate. The steel plate is mainly suitable for manufacturing automobile chassis structural parts. The steel comprises the following chemical components: C, Si, Mn, Al, Nb, Ta, Zr and Y, P is limited to be less than or equal to 0.015%, S is limited to be less than or equal to 0.005%, N is limited to be less than or equal to 0.003%, and the balance is Fe and inevitable impurities. The yield strength of the steel plate is larger than or equal to 308 MPa, the tensile strength is larger than or equal to 448 MPa, the transverse elongation A is larger than or equal to 42%, the hole expansion rate is larger than or equal to 125%, transverse cold bending is conducted by 180 degrees, D = a, the steel plate is qualified, the surface quality is good, oxide scale stripes and chromatic aberration defects are avoided, the surface roughness Ra is 1.00-1.40 micrometers, and the steel plate has good corrosion resistance.
Owner:ANGANG STEEL CO LTD

Busbar Cable Adapter

A cable adapter for a server chassis is disclosed. The cable adapter comprises an adapter body having a first surface with a key slot. The key slot is configured to receive a key rib on a busbar clip of the server chassis. A pair of latches are pivotably attached to opposite sides of the adapter body. Each latch has a latch arm that extends across an open end of the adapter body when in a closed position. The latch arms are configured to engage one or more latching ribs on the blades of the busbar clip such as by hooking around the latching ribs. A pair of connectors inside the adapter body configured to engage blades of the busbar clip.
Owner:DELL PROD LP

Case machining and conveying device

The invention relates to the technical field of machining and conveying, and discloses a case machining and conveying device which comprises a workbench, conveying tables are symmetrically and fixedly connected to the top of the workbench, two conveying belts are arranged between the two conveying tables in a transmission mode, a plurality of conveying rollers are arranged between the two conveying belts, and the two ends of each conveying roller are rotationally connected with the inner walls of the conveying tables. Placing plates are arranged above the conveying belt and the conveying roller, limiting blocks are symmetrically and fixedly connected to the tops of the placing plates, an inclination assembly and a vibration assembly which are used for driving the placing plates to incline twice are arranged on one side of the conveying roller, the placing plates obliquely rotate towards one side through the inclination assembly, and after chippings on the side completely fall off, the vibration assembly is used for vibrating the chippings on the side. Then inclined rotation is carried out towards the other side, so that the chippings scattered on the surface of the machine box or the placement plate naturally fall off; and through two times of inclination in different directions, it can be ensured that chippings on the surfaces of the case and the placement plate are cleaned more thoroughly.
Owner:GUANGZHOU QILI COMPUTER EQUIP MFG CO LTD

Folding trolley

The present invention provides a folding trolley, which includes a bottom frame folding and unfolding assembly, a front wheel assembly and a rear wheel assembly. Side frame folding and unfolding assemblies are provided on both sides of the bottom frame folding and unfolding assembly, the bottom frame folding and unfolding assembly can be unfolded or folded through the side frame folding and unfolding assembly; one end of the side frame folding and unfolding assembly is connected with the front wheel assembly, the middle part of the side frame folding and unfolding assembly is connected with the bottom frame folding and unfolding assembly, and the other end of the side frame folding and unfolding assembly is connected with the rear wheel assembly. The invention provides a folding trolley, which overcomes the defects of an existing trolley with low load bearing capacity and poor functionality.
Owner:ZHOU YONGSHUAI +1

Case and computing device

The embodiment of the invention provides a case and computing equipment, the case is applied to the computing equipment, the case comprises a shell, the computing equipment comprises a computing module, a power supply module and a pipeline group which are arranged in the shell, the computing module comprises a liquid cooling module and a computing force plate, the liquid cooling module is provided with a cooling flow channel for a cooling medium to flow, and the cooling flow channel is provided with a liquid outlet. The cooling flow channel is communicated with the pipeline group, a containing cavity and a pipeline cavity are defined in the case, the containing cavity is used for containing the calculation module and the power module, and the pipeline cavity is used for containing the pipeline group, so that the calculation module, the power module and the pipeline group are integrated, maintenance is easy, and occupied space of the case is reduced; and the appearance of the case is neater and more attractive.
Owner:CANAAN CREATIVE CO LTD

Granulator conveyor

The invention discloses a granulator conveyor, and relates to the technical field of conveying, the granulator conveyor comprises a mounting underframe, the bottom of the mounting underframe is provided with a plurality of displacement moving wheel mechanisms, the mounting underframe is provided with an active driving mechanism and a height adjusting mechanism, and the active driving mechanism and the height adjusting mechanism are symmetrically arranged on the mounting underframe; a plurality of conveying assemblies are arranged on the active driving mechanism and the height adjusting mechanism, each conveying assembly comprises a mounting frame mechanism, a driving belt mechanism, a lifting positioning mechanism, a vibration shifting wheel mechanism, a fixing roller and an auxiliary shifting belt mechanism, the mounting frame mechanisms are arranged on the active driving mechanism and the height adjusting mechanism, and the driving belt mechanisms are arranged on the mounting frame mechanisms; the lifting positioning mechanism is arranged on the mounting frame mechanism, the vibration dial wheel mechanism and the fixed roller are arranged on the mounting frame mechanism, the adjusting dial belt mechanism is arranged on the vibration dial wheel mechanism and the fixed roller, the displacement moving wheel mechanism is arranged to achieve overall moving positioning, and the material conveying efficiency of the pelletizer is improved.
Owner:YANTAI JIANGCHENG PLASTIC TECHNOLOGY CO LTD

Recycling equipment for plastic defective products

The invention relates to the technical field of non-metal waste treatment, in particular to recycling equipment for plastic defective products. In order to solve the problem that when a pipe rolls during crushing, the residence time of materials in a crushing cavity is prolonged, and the crushing efficiency is low. Comprising a bottom frame, a crushing shell is fixedly connected to the bottom frame, a connecting and guiding shell is fixedly connected to the crushing shell, a crushing roller set is arranged in the crushing shell, a motor is fixedly connected to the bottom frame, transmission is conducted between an output shaft of the motor and the crushing roller set through a belt wheel and a belt, extrusion rollers distributed in a mirror image mode are rotationally connected to the crushing shell, and the extrusion rollers are connected to the crushing shell. And the extrusion rollers in mirror image distribution are in transmission through a gear set. According to the pipe crushing device, a pipe is pre-compressed in advance through the extrusion rollers when the pipe is crushed, a cylindrical pipe is compressed into an elliptic cylindrical pipe, then vertical feeding crushing is conducted, the rolling probability of the pipe during crushing is reduced, and the crushing efficiency of the pipe is improved.
Owner:JINGMEN YINZHU PLASTICS

High-elongation 288MPa-grade hot-rolled pickled steel plate for automobile and production method thereof

The invention belongs to the field of metal materials, and particularly relates to a high-elongation 288MPa-grade hot-rolled pickled steel plate for an automobile and a production method thereof. The steel plate is mainly suitable for manufacturing automobile chassis structural parts. The steel comprises the chemical components of C, Si, Mn, Al, Ti, Zr, Ni, Pt and Y, P is limited to be smaller than or equal to 0.015%, S is limited to be smaller than or equal to 0.005%, N is limited to be smaller than or equal to 0.003%, and the balance is Fe and inevitable impurities. The steel plate has excellent mechanical properties, the yield strength of the steel plate is larger than or equal to 238 MPa, the tensile strength is larger than or equal to 288 MPa, the transverse elongation A is larger than or equal to 48%, the hole expansion rate is larger than or equal to 132%, transverse cold bending is conducted by 180 degrees, D = a, the steel plate is qualified, the surface quality is good, oxide scale stripes and chromatic aberration defects are avoided, the surface roughness Ra is 1.08-1.48 micrometers, and the steel plate has good corrosion resistance.
Owner:ANGANG STEEL CO LTD

Novel automatic installation robot system for raised floor

A novel automatic installation robot system for raised floor, comprising an AMR (autonomous mobile robot) chassis (1), a mechanical arm body (2) and a mechanical arm tail end (3). The mechanical arm body (2) is mounted on the AMR chassis (1), and the mechanical arm tail end (3) is mounted on the mechanical arm body (2). The mechanical arm tail end (3) comprises: an installation frame part, a pneumatic suction cup module, a sensing module and a support height-adjusting module (a). One or more composite robots are used for cooperative work to automatically complete the whole process of installing the raised floor having pre-installed supports, or human-machine cooperation independently completes installation, leveling and height adjusting of the floor and the supports, thus improving the installation precision and efficiency, reducing the labor intensity of personnel, improving the installation consistency and stability, and reducing the comprehensive cost.
Owner:BEIJING PANQUE SMART TECH CO LTD

Unmanned aerial vehicle integrating multiple operation functions

The invention relates to the technical field of unmanned aerial vehicles, and particularly discloses an unmanned aerial vehicle integrating multiple operation functions, which comprises a bearing mechanism, the bearing mechanism comprises an unmanned aerial vehicle main body and a mounting frame fixedly mounted on the lower surface of the unmanned aerial vehicle main body, a bottom frame is fixedly mounted on the lower surface of the mounting frame, and a fixed base is fixedly connected to the lower surface of the bottom frame; buffer guide rails are arranged on the two side faces of the fixed base, longitudinal sliding grooves and a positioning mechanism are formed in the buffer guide rails, the positioning mechanism comprises a plurality of transverse rods fixedly connected to the mounting frame, positioning suction cups are fixedly mounted on the transverse rods, and a connecting arm and a pump are fixedly mounted on the lower surface of the fixed base; according to the device, the states of base station antennas, equipment, cables and the like can be detected in real time through the image acquisition equipment, manual tower climbing is not needed, the base station equipment is placed on the bottom frame, and the adsorption force of the positioning suction cup can be improved in combination with the blowing cleaning equipment; therefore, the installation stability of multi-carried equipment can be improved while blowing cleaning operation can be guaranteed.
Owner:ZHONGTONG SERVICE WANGYING TECH CO LTD

Vehicle trajectory tracking control method considering dynamic motion demand

PendingCN120552892AVehicle condition input parametersVehicle dynamicsLyapunov criterion
The invention relates to a vehicle trajectory tracking control method considering dynamic motion requirements. Comprising the following steps: 1, establishing a nonlinear vehicle dynamics model by comprehensively considering longitudinal motion, lateral motion and yawing motion of a vehicle; 2, searching saddle node bifurcation points with qualitative change of the stability state of the vehicle through a particle swarm optimization algorithm and a Lyapunov criterion, and constructing a dynamic stability domain boundary of the vehicle under the change of the longitudinal vehicle speed and the road adhesion coefficient; and 3, designing a vehicle multi-target trajectory tracking controller based on a nonlinear model predictive control theory, quantitatively evaluating the stability state of the vehicle by adopting a stability index, and meanwhile, designing a controller built-in parameter adjustment strategy to match the dynamic motion requirements of the distributed driving electric vehicle in different stability states. According to the method, the driving safety and the movement comfort of the distributed driving electric automobile are effectively ensured, and a set of solution is provided for realizing the optimal cooperative control of the chassis subsystem of the automatic driving automobile.
Owner:JILIN UNIVERSITY

Air quality detection device for environment and detection method thereof

The invention relates to the technical field of environmental air detection, in particular to an environmental air quality detection device and a detection method thereof.The environmental air quality detection device comprises a base, and a case is fixedly mounted at the top of the base. Through the dual protection mechanism of the air inlet mechanism and the cleaning module, the air quality detection accuracy can be effectively guaranteed, in the specific detection period, induced draft fan blades rotate forwards to form negative pressure to suck air, an exhaust window assists in exhausting air, it is ensured that airflow is stable, and after a detection task is completed, an automatic cleaning program of the air inlet mechanism is started; the cleaning frame and the front cleaning group cooperatively operate to scrape dust on the inner walls of the induced draft fan blades and the air inlet pipe and prevent residual dust from falling off and being mixed into air in subsequent detection, meanwhile, the cleaning module continuously sprays, and under the action of countercurrent air driven by reverse rotation of the induced draft fan blades, cleaning liquid fully covers the air inlet pipe and the induced draft fan blades and dissolves dust and oil stains, so that secondary pollution is avoided; and air entering the case is ensured to be clean, so that real and reliable detection data is ensured.
Owner:HUNAN SENXIN ENVIRONMENTAL LANDSCAPE GARDEN ENG

Enhanced milling device of CNC (Computer Numerical Control) lathe

The invention relates to the technical field of milling machining, and particularly discloses a CNC lathe reinforced milling device which comprises a machine box, a first adjusting mechanism is fixedly installed on one side of the machine box, a milling machine is fixedly installed at the top of the first adjusting mechanism, and a milling cutter is installed at the output end of the milling machine through a screw. According to the technical scheme, in the application period, by arranging the clamping assembly, the multiple adjusting mechanisms and the cleaning assembly, workpieces of different specifications can be stably clamped, the relative position of a milling tool and the workpieces and the machining angle of the workpieces can be flexibly adjusted, chippings can be efficiently cleaned in real time, and the machining efficiency is improved. The problems that in the prior art, a milling mechanism is limited in adjustment, a clamp cannot be turned over, and chippings are difficult to clean are solved, the situation that positioning errors and machining precision are affected is avoided, the burden of operators is reduced, the machining stability, efficiency and quality are improved, and diversified machining requirements are met.
Owner:NANTONG TIANMU PRECISION MASCH CO LTD

Magnetic core assembling device and assembling method thereof

The invention discloses a magnetic core assembling device and an assembling method thereof, and relates to the technical field of magnetic core assembling equipment.The magnetic core assembling device comprises a case and a mounting table arranged on one side of the upper end face of the case, a synchronous conveying belt is arranged on the mounting table, and a plurality of positioning die holders used for containing magnetic core frameworks are evenly connected to the surface of the synchronous conveying belt at intervals; the machine box is provided with a feeding assembly used for placing a magnetic core framework into the positioning die holder, magnetic core feeding vibration discs are arranged on the two sides of the upper end face of the mounting table correspondingly, and arc-shaped feeding channels are formed in the magnetic core feeding vibration discs. According to the automatic gluing device, automatic gluing operation on the butt joint faces of the magnetic cores can be achieved while pressing is conducted through the arranged gluing assembly, meanwhile, the gluing action, the magnetic core inserting action and the magnetic core framework feeding action are driven by the linkage arm serving as a connecting piece, the corresponding actions are completed, control over the device is simpler, and the production efficiency is improved. And the failure rate of equipment is effectively reduced.
Owner:XUZHOU ONAFULIN ELECTRONIC TECH CO LTD

Detection device and detection method for automobile exterior trimming part assembly

The invention relates to the technical field of insertion and extraction force testing, and discloses a detection device and method for automobile exterior trimming part assembling, and the device comprises a bottom frame, a tension testing assembly, a vibration mechanism, and an extrusion mechanism, the vibration mechanism comprises a gear-missing column, a moving plate, a first electric push rod, a placing plate, and a vibration spring, and the bottom frame is provided with a sliding groove. The moving plate is slidably connected into the sliding groove, the first electric push rod is fixedly installed in the sliding groove, the output end of the first electric push rod is fixedly connected with the side wall of one end of the moving plate, one end of the vibration spring is fixedly connected to the bottom frame, the placing plate is fixedly connected to the other end of the vibration spring, and a mounting block is arranged on the bottom frame. According to the device, the vibration mechanism and the extrusion mechanism are matched, so that the bumper support on the placement plate continuously shakes, various road surface vibrations borne by an automobile in the driving process are simulated, and the reliability of the buckle under long-term vibration is accurately evaluated.
Owner:HEFEI KONA IND & TRADE CO LTD

Portable folding wagon

A portable folding wagon includes wheel components, four damping elements, a foldable load-bearing bottom frame, a foldable main frame, a telescopic handle assembly and a cloth basket. The wheel components include two fixed wheels arranged at a rear part of the portable folding wagon and two universal wheels arranged at a front part of the portable folding wagon. The foldable load-bearing bottom frame includes two lower rear connectors, two lower front connectors and an X-shaped folding load-bearing frame. The fixed wheels are arranged below the lower rear connectors through the damping elements, and the universal wheels are arranged below the lower front connectors through the damping elements. The damping elements include one or more of damping springs, cylinder dampers or variable damping force shock absorbers.
Owner:QINGDAO HONGRUNFA MASCH CO LTD +1

Anti-interference control method and system for Mecanum wheel omnidirectional robot

The invention discloses a Mecanum wheel omnidirectional robot anti-interference control method and system, and relates to the technical field of robot anti-interference control, and the method comprises the steps: collecting multi-source original data, and carrying out the preprocessing; multi-source data fusion is carried out, a current operation condition is identified based on a fusion result, and an augmented state is generated; calculating a baseline control instruction; inputting to the reinforcement learning agent, and outputting a corresponding compensation instruction; adding the baseline control instruction and the compensation instruction to obtain a candidate control instruction; inputting to the security constraint projector, and correcting to obtain a final control instruction; issuing to a motor driver of the Mecanum wheel for execution; and actual state data of the executed robot is collected as execution feedback data, and the execution feedback data and a new target instruction are used for generating standardized observation data at the next moment. According to the invention, cross-working-condition high-precision, fast-recovery, low-energy-consumption and compliant-constraint omnidirectional chassis anti-interference control is realized, and the tail robustness and the system safety and reliability are improved.
Owner:JINAN VOCATIONAL COLLEGE

Battery replacement equipment

The utility model discloses a battery replacing device which comprises a supporting frame and a battery replacing body, and the battery replacing body can incline relative to the supporting frame. The battery replacing main body comprises a movable assembly which is arranged on the supporting frame and can ascend and descend and a compartment body which is rotatably connected with the movable assembly, a telescopic mechanism is arranged in the compartment body, and a battery replacing mechanism is arranged on the top surface of the telescopic mechanism; and the telescopic mechanism can move relative to the compartment body and / or the battery replacing mechanism can move relative to the telescopic mechanism in the direction perpendicular to the telescopic direction. By the adoption of the structure, the battery replacement equipment can achieve vehicle side battery replacement and can adapt to different battery replacement vehicles and battery storage devices through lifting and rotating of the compartment body; and meanwhile, through calibration movement of the telescopic mechanism and / or the battery replacing mechanism and inclination of the battery replacing body relative to the supporting frame, the battery replacing mechanism can be well attached to a chassis of the battery replacing vehicle all the time, and therefore the battery replacing precision and the battery replacing efficiency can be improved.
Owner:AULTON NEW ENERGY AUTOMOBILE TECHNOLOGY CO LTD

Composite material compression test fixture capable of synchronously applying pressure

The invention discloses a composite material compression test fixture capable of synchronously applying pressure. The composite material compression test fixture comprises a bottom frame and a clamping block, the bottom frame comprises a bottom plate capable of being installed on a test board, a back plate connected with the bottom plate and side plates on the two sides. The two pairs of clamping blocks are symmetrically arranged up and down, and each pair of clamping blocks are symmetrically arranged left and right; the upper clamping block and the lower clamping block on one side are installed on the same movable plate in a sliding mode through a first vertical guide structure, the side portion of the movable plate is installed on the back plate in a sliding mode through a transverse guide structure, and a clamping power piece is installed on the side, away from the clamping blocks, of the movable plate and faces the side plate on one side. The clamping power pieces are used for abutting against the side plates and pushing the clamping blocks on the sides to conduct clamping. The upper clamping block and the lower clamping block on the other side are installed on the same fixing plate in a sliding mode through a second vertical guide structure, and the fixing plate is installed on the other side plate. One end, close to the effective test area, of the clamping block is provided with an extension part and an arc-shaped chamfer. The clamp can effectively relieve stress concentration of the ends of the clamping blocks in an effective test area of a sample, and loads of the left clamping block and the right clamping block are evenly distributed.
Owner:WUHAN UNIV OF TECH

Guardrail locking mechanism and picking vehicle

The invention relates to the technical field of picking vehicles, and particularly discloses a guardrail locking mechanism and a picking vehicle, the guardrail locking mechanism comprises a positioning block, a first elastic piece, a locking piece and an unlocking piece, the positioning block is fixed at the bottom end of a guardrail and synchronously rotates along with the guardrail, and the positioning block is arranged in a containing groove of an operation platform and is provided with a first limit position and a second limit position; the first elastic piece is connected with one end of the positioning block and drives the positioning block to move towards the limiting position, the locking piece is arranged on the operation platform in a lifting mode, when the positioning block is located at the first limiting position, the lower end of the locking piece can be inserted into the containing groove to be attached to and locked with one side of the positioning block, the unlocking piece penetrates through the operation platform in the vertical direction, and the upper end of the unlocking piece is connected with the locking piece. When the operation platform descends to the first preset height, the lower end of the unlocking piece abuts against the bottom frame and moves upwards, the locking piece is driven to be separated from the containing groove to unlock the positioning block, the guardrail can be automatically unlocked when the operation platform descends, and the operation safety and convenience of the picking vehicle are improved.
Owner:NINGBO RUYI JOINT CO LTD

Blowout preventer for underground gas extraction

The utility model relates to the technical field of gas extraction, in particular to an underground gas extraction blowout preventer, and mainly solves the technical problems that the existing gas extraction blowout preventer is high in spewing control difficulty, high in safety risk and high in sprayed slag cleaning workload. The device comprises a movable chassis, a deslagging box, a multi-way pipe, a drilling machine through pipe, a coal seam drilling pipe, a negative pressure pipe, a pressure relief buffer cover, a deslagging pipe and a pressure sensor. According to the device, gushing is detected through the pressure sensor, on-off of the negative pressure pipe and the slag discharging pipe is controlled in a feedback mode, dependence on manual experience is not needed, it can be guaranteed that gushing and corresponding equipment are started consistently, and the gushing control difficulty is greatly reduced; meanwhile, water and residual materials for slag spraying can be discharged into the slag discharging box through the slag discharging pipe in time to be collected, and the workload of slag spraying and cleaning is reduced; the device is further provided with a pressure relief buffer cover, when the pressure is too large due to gushing, buffering can be conducted through the pressure relief buffer cover, and damage to the device caused by the too large pressure is avoided.
Owner:SHANXI TIANQI MINING TECHNOLOGY CO LTD

Chip radiator for Loongson 3A6000 processor

The invention relates to the technical field of chip radiators, in particular to a chip radiator for a Loongson 3A6000 processor. The heat dissipation device comprises a heat conduction device and a heat dissipation device, the heat conduction device comprises a heat conductor and a fixing body, and the heat conductor comprises a heat conduction structure and a plurality of heat dissipation fins arranged on the heat conduction structure. According to the invention, when the rotating speed of the speed regulation fan is increased and the downward pressure applied to the wall surface of the guide cavity during air flowing is greater than the elastic force of the spring, the middle clamping plate is pressed downwards to drive the regulation and control plate to move downwards along the heat dissipation fins, and the distance from the heat conduction plate to the bottom end of the regulation and control plate is reduced, so that the air circulation sectional area of the air guide channel is reduced; therefore, the flow rate of air flowing out of the air guide channel is further increased, air flow in the case can be promoted, air circulation conditions in the case can be improved, virtuous circular flow of the air in the case can be formed, cooling of the processor is further facilitated, and the problem that the processor is damaged due to overheating or the performance of the processor is reduced is solved.
Owner:BEIJING ZHONGDA VARITRONIX TECH

Hinge barrel air duct

A hinge barrel air duct has an elongated body configured to be positioned adjacent to the top panel of an information handling system having a chassis to which the top panel is pivotally connected by a hinge assembly. An exhaust intake is formed in a region of the elongated body of the hinge barrel air duct. The exhaust intake receives exhaust airflow expelled from the chassis. An exhaust outlet is formed in another region of the elongated body of the hinge barrel air duct. The exhaust outlet redirects exhaust airflow away from the chassis.
Owner:DELL PROD LP

Electronic apparatus

An electronic apparatus includes: a chassis; a heat generating element provided in the chassis; and a cooling module that is provided in the chassis and cools the heat generating element. The cooling module has: a heat diffusion member that absorbs and diffuses heat from the heat generating element; and a pair of fans that are placed with the heat diffusion member located therebetween, and have discharge ports provided only in side surfaces facing each other, thereby making it possible to discharge air toward the heat diffusion member. The chassis has an outer wall that extends along a placement direction of the pair of fans and has an exhaust port formed therein, and the exhaust port is positioned between the pair of fans in the case where the placement direction is taken as a reference.
Owner:LENOVO (SINGAPORE) PTE LTD