48results about How to "Achieve slippage" patented technology

The invention provides an interphone and a connector thereof, which can be used for improving the connecting reliability and convenience, and can be better in durability. The connector of the interphone is provided with a base body; the connector comprises a fixed buckle and a movable buckle, wherein the fixed buckle is buckled in a positioning slot of the interphone host machine; the movable buckle comprises a rotary shaft and a blocking head which is pivoted with the rotary shaft; the blocking head is blocked to the blocking slot of the interphone host machine, and provided with a torsion spring for locking the blocking head in the blocking slot; the torsion spring is hinged with the rotary shaft; and the fixed buckle and the rotary shaft are arranged on the base body. The movable buckle of the connector is connected with the host machine in a rotary buckling manner, so that the connector is dismounted; the torsion spring is arranged in the movable buckle, so that the assembling is simpler; a certain locking force is provided for the blocking head, so that the connecting reliability is improved; and when the connector bears larger external force, the blocking head can be separated from the blocking slot for protecting the connector and the host machine, and therefore, the interphone is prevented from being damaged.

A lifting device of a trackless rubber-tyred transport cart comprises a lifting platform arranged above a rear frame of the trackless rubber-tyred transport cart. The lifting device is characterized in that a scissor-fork type hydraulic lifting mechanism is arranged between the lifting platform and the rear frame; the scissor-fork type hydraulic lifting mechanism comprises a left connecting rod and a right connecting rod which are connected in a crisscross manner through pin shafts, an upper slider is hinged to the upper end of the right connecting rod through a lifting-platform leveling mechanism, a loading platform which is parallely arranged with the lifting platform is arranged above the lifting platform, and a platform driving device used for driving the loading platform to translate is arranged between the loading platform and the lifting platform. By the application of the lifting device, when the rubber-tyred transport cart is parked on slopes, the lifting platform and the loading platform can be adjusted in angle so as to be kept in a horizontal state, and mounting operation is facilitated; materials like pipelines and cables can be translated to places adjacent to working surfaces by the aid of the platform driving device arranged between the loading platform and the lifting platform.

The invention discloses a soldering flux spraying system for wave soldering, which comprises a spraying unit (1). The system is characterized in that a power unit (2) is arranged on the outer side ofthe spraying unit, one end of the power unit is provided with a fixed guide rail (3), a slide block (4) of the fixed spraying unit (1) is arranged on the fixed guide rail (3), and the power unit and the block connected with a driving block slide along the fixed guide rail. The sliding of the spraying unit is realized by the arrangement of the fixed guide rail and the slide block of the fixed spraying unit, so the device has the advantages of small vibration and noise and stable operation in use; and the device has multiple types of sprayers with different diameters so as to realize the regulation on multiple flow rates, so that the atomization effect is more even.

The invention discloses a Collapsible volume array type low-frequency transformer substation noise nephogram test device and a test method. The device comprises a movable pedestal, a fixed disk, a floating disk and several array arms; the fixed disk is mounted on the movable pedestal through a mounting rack, a track is arranged on the fixed disk, the floating disk is mounted on the track, and a camera is arranged on the fixed disk; each array arm is connected on the fixed disk through hinge joint, each array arm is connected with the floating disk through one connection rod, and two ends of the connection rod are respectively connected with the array arm and the floating disk through hinge joint; each array arm is provided with several sound sensors; and the camera and a signal output endof each sound sensor both are connected with a data acquisition processing device. The array arms of the device provided by the invention can be collapsed and keep constant size, movement of the wholedevice can be realized through the movable pedestal, a virtual large-size array can be synthesized through phase compensation and special position compensation, and consequently, relatively accuratetest for the low-frequency noise in the transformer substation can be realized.

The invention discloses a vehicle back row seat skeleton and a vehicle having the same. The back row seat skeleton has a shared supporting skeleton and a head pillow supporting skeleton, wherein the head pillow skeleton is mounted on the shared supporting skeleton; the head pillow skeleton has fixed connection parts, a transverse movable part and lock structures; the fixed connection parts are fixed on the shared supporting skeleton; the transverse movable part is connected with the fixed connection parts; the transverse movable part can transversely move on the vehicle corresponding to the fixed connection parts; a head pillow is mounted on the transverse movable part; and the lock structures are configured to lock the transverse movable part and the fixed connection parts when transverseadjustments of the transverse movable part to the fixed connection parts are finished. Therefore, the transverse slide and position fixation of the seat head pillow on the vehicle can be realized, sothe seat head pillow can be ensured to be in an optimal position relative to the passengers; and therefore, riding comfortableness can be greatly improved.

The invention discloses a half-mold rotating window mechanism. The mechanism comprises a balance and a balance seat in a main wheel; the balance is arranged on the balance seat; a wedge block is tightly supported between the balance seat and the main wheel; and a tensioning assembly is arranged between the wedge block and the main wheel. According to the half-mold window rotating mechanism,the sliding adjustment of the balance seat is realized through a lead screw nut and a lead screw, and the axial positioning of the balance can be ensured; the wedge block is supported between the main wheel and the balance seat, so that the balance seat is effectively locked, and meanwhile, a block groove has a circumferential limiting effect; the lead screw assembly is located below the balance seat, the wedge block assembly is located above the balance seat, the two assemblies cooperate with each other, so that the sliding and fixing of the balance seat can be achieved, axial and circumferential displacement precision of the balance seat is guaranteed through the cooperation of the lead screw assembly and the wedge block assembly;and it is guaranteed that the overall structure of the mechanism is high in precision and stability.

The invention discloses a testing device for a multichannel substation noise comprehensive cloud picture. The testing device comprises a fixing disc which is mounted on a movable base through a pitching adjusting device, and a rail is arranged on the fixing disc. A floating disc is mounted on the rail, and a camera is arranged on the fixing disc. All array arms are hinged to the fixing disc, and each array arm is connected with the floating disc through a connecting rod. The two ends of the connecting rods are hinged to the array arms and the floating disc correspondingly, and a plurality of acoustic sensors are arranged on each array arm. The camera and signal outputting ends of all the acoustic sensors are both connected with a signal receiving end of a data collecting and processing device. The data collecting and processing device comprises a sensor plate, an FPGA, a power supply and an upper computer. The power supply is connected with the FPGA connected with the upper computer. Through to-be-detected areas traversing a whole substation, noise positioning of the whole substation can be completed, and the noise comprehensive cloud picture of the whole substation can be obtainedby splicing noise testing images of all detecting points.

The invention provides a replacement support and a supporting structure of a latticed shell. The replacement support comprises a top plate and a bottom plate which are arranged in a parallel mode anda rib plate connected between the top plate and the bottom plate. A plurality of bolt holes are formed in the top plate. The bolt holes are used for being connected with a supporting seat. Distance between the upper surface of the top plate and the lower surface of the bottom plate is equal to height of sliding of the supporting seat. According to the replacement support and the supporting structure of the latticed shell, design of a preembedded bolt is replaced by the replacement support, after a bolt between the replacement support and the supporting seat is connected, the replacement support is welded and fixed to a preembedded steel plate. Obstruction of sliding of the latticed shell is omitted, sliding and disassembling construction of the lattice shell can be achieved through lower height, construction difficulties and cost are reduced, the construction time is shortened, and construction security can be guaranteed. The replacement support and the preembedded steel plate are fixed by welding, and therefore accuracy requirements in construction are lowered.

The invention discloses a gas shielding device for large-diameter elbow pipe continuous welding, and relates to the technical field of elbow pipe production. The gas shielding device for large-diameter elbow pipe continuous welding comprises a mounting backboard, an arc-shaped rail, a sliding trolley and a gas shielding box, an elbow pipe main body is fixed at a front side face of the mounting backboard through a set of clamps, a lower part of the mounting backboard is provided with a set of arc-shaped mounting groove, and the arc-shaped rail comprises a set of arc-shaped rods. The gas shielding device for large-diameter elbow pipe continuous welding, with the sliding trolley, can guarantee that the gas shielding box can always jack up an inner wall of the elbow pipe main body, meanwhile,the arc-shaped rail is arranged in the elbow pipe main body, and by cooperation of a motor, a first chain wheel, a second chain wheel and a chain, sliding movement of the gas shielding box in the elbow pipe main body can be realized, simultaneously, shielding gas is introduced into the gas shielding box, a movable inert gas shielding chamber can be formed at the inner wall of the elbow pipe main body and can move synchronously with an external plasma welding gun head, and thus, a problem of insufficient inert gas shielding range of continuous welding for a large-diameter elbow pipe is solved.

The invention discloses a paper board counting and conveying device. The paper board counting and conveying device comprises a support, a counting mechanism, a pushing mechanism and a lifting mechanism which is used for lifting a paper board pile; the lifting mechanism comprises a bottom plate and a first driving component; the bottom plate is slidably arranged on the support along the height direction of the support; the pushing mechanism comprises a material outlet rack; the material outlet rack clings to the bottom plate; the counting mechanism comprise a compaction component and a transportation component which is used for conveying paper boards to the material outlet rack from the bottom plate; the compaction component comprises a pressing plate, an assembly base and a second drivingcomponent; the assembly base is arranged on the support; the pressing plate is slidably arranged on the assembly base in the height direction of the support; the pressing plate is arranged above the bottom plate; a positioning table is arranged on the lower end surface of the assembly base, and is located below the pressing plate; and a counter used for detection the interval between the positioning table and the pressing plate is arranged on the positioning table. The paper board counting and conveying device is simple and reasonable in structure; accurate counting for the paper boards is realized; and besides, the paper board is stacked orderly, so that subsequent machining is facilitated.

The invention discloses an under-liquid speed reducer perforating device. The perforating device comprises a foundation base and two first sliding rails, wherein the two first sliding rails are arranged on the foundation base and are symmetrically arranged; a conveying base for placing a to-be-machined workpiece is arranged on the two first sliding rails in a sliding mode; a first driving member for driving the conveying base to slide in a reciprocating mode is arranged on the foundation base; alignment members enabling the to-be-machined workpiece on the conveying base to be aligned with themiddle positions of the two first sliding rails are arranged on the two opposite sides of the foundation base; perforating mechanisms are arranged at the positions, located behind the alignment members, of the two opposite sides of the foundation base; and each perforating mechanism comprises a first moving base, a drill bit, a second driving member and a moving member, wherein the drill bit is arranged on the first moving base, the second driving member drives the drill bit to rotate, and the moving member drives the first moving base to be used for driving the drill bit to move towards the to-be-machined workpiece positioned on the conveying base. The perforating device has the following advantages and effects that manual work is replaced by a mechanical perforating mode, and therefore the assembling efficiency and the assembling quality of a speed reducer are improved.

The invention discloses an adjustable shelf assembly, a refrigerator door body and a refrigerator, wherein the adjustable shelf assembly comprises a supporting structure and a shelf; the supporting structure is provided with a pair of guide rails which are oppositely arranged, each guide rail is provided with a sliding groove extending in the vertical direction, a limiting clamping groove and a rack, and the limiting clamping grooves and the racks are arranged adjacent to the sliding grooves; the multiple limiting clamping grooves are arranged in the vertical direction, and the limiting clamping grooves and the racks are arranged in an open mode towards the sliding grooves; and the shelf is provided with a body and a gear rotationally installed on the body, the gear is meshed with the racks, and the body is further provided with limiting blocks matched with the limiting clamping grooves. When the shelf rotates with the axis of the gear as the base point, the limiting blocks can move into the sliding grooves from the limiting clamping grooves, the shelf can be adjusted up and down under the action of external force, and the shelf rotates reversely after being adjusted, so that the limiting blocks are clamped in the limiting clamping grooves. According to the adjustable shelf assembly, the situation that the shelf is stuck due to asynchronization in the moving process at different positions can be avoided, and the shelf can be conveniently adjusted.

The invention relates to the technical field of coke oven flue gas treatment pipelines, in particular to a coke oven flue gas treatment pipeline for dust removal, desulfurization and denitrification, which comprises an outer pipeline, a cooling mechanism for cooling flue gas is mounted on the outer pipeline, and a cleaning mechanism for cleaning ammonium bisulfate condensed on the cooling mechanism is mounted on the outer pipeline. The cleaning mechanism abuts against the cooling mechanism, a smoke discharging mechanism is installed on the outer pipeline, a dust scraping mechanism for filtering particulate matter in smoke is installed on the smoke discharging mechanism, and a collecting mechanism for collecting dust is installed on the dust scraping mechanism. The cooling mechanism is mounted in the outer pipeline, and the cleaning mechanism for cleaning ammonium bisulfate condensed outside the cooling mechanism is mounted on the outer pipeline, so that when more ammonium bisulfate exists on the cooling mechanism, the cleaning mechanism can be started, particles of the ammonium bisulfate on the cooling mechanism are cleaned, and the heat exchange effect of flue gas is improved; and desulfurization and denitrification are facilitated.

The invention relates to the field of control equipment, in particular to a trackball brief report table, which comprises an outer shell which is hollow in the internal portion, wherein a mounting cavity is formed in the outer shell; an operation assembly which is used for sensing the operation of an operator and sending an operation signal and comprises a cursor adjusting piece, wherein the cursor adjusting piece is installed on the outer shell, and the cursor adjusting piece is provided with an operation part exposed out of the outer shell and a signal transmission part located in the outershell; and a control module which is mounted in the mounting cavity and is used for receiving an operation signal and sending the operation signal to an external receiver so as to realize movement ofa cursor. Compared with the prior art, the trackball brief report table has the advantages that the cursor is controlled by arranging the cursor adjusting part, so that an operator can control the external receiver conveniently, and compared with the prior art that only front-back page turning of PPT can be achieved, the PPT page turning device is wider in use occasion and easier and more convenient to operate.

The invention discloses a device for conveying paperboards in batches. The device for conveying the paperboards in batches comprises a support, a feeding mechanism and a lifting mechanism, wherein thelifting mechanism comprises a bottom plate and a lifting motor for lifting a bottom plate; the bottom plate is slidably arranged on the support; the feeding mechanism comprises a discharging frame; the discharging frame is arranged close to the bottom plate; a roller is arranged on the discharging frame; a move loading mechanism is arranged between the bottom plate and the discharging frame and comprises a move loading frame and a move loading push plate; the move loading push plate is arranged on the move loading frame; a move loading longitudinal beam is arranged on the support along the length direction; a move loading horizontal beam and a first move loading belt wheel assembly are slidably arranged on the move loading longitudinal beam; a move loading lifting beam is arranged on themove loading frame; a move loading lifting groove is arranged on the move loading lifting beam; the move loading horizontal beam is in sliding fit to the move loading lifting groove; and a second moveloading belt wheel assembly is further arranged on the move loading lifting beam. The device for conveying the paperboards in batches is simple and reasonable in structure, convenient to adjust the position of the push plate, capable of realizing synchronous adjusting, and beneficial to improving the use efficiency of the equipment.

The invention discloses a rapid desilting device of a plate-and-frame filter press for sewage treatment, relates to the technical field of sewage treatment, and solves the problems that when an existing plate-and-frame filter press is used for cleaning filter residues, when the filter residues are adhered to a filter plate, the filter residues are difficult to fall off and need to be manually cleaned by workers, the cleaning speed is low, and the labor intensity of the workers is high. The device comprises a filter press main body. The top of the filter press main body is connected with a group of desilting devices in a sliding manner; the upper part of the filter press main body is connected with a filter plate in a sliding manner; the front portion and the rear portion of the top of thedesilting device are each fixedly connected with a group of advancing driving pieces; two groups of desilting support connecting rods are arranged at the lower part of the left side of the desilting device; and the bottoms of the two groups are jointly connected with a group of mud scraping plates. The rapid desilting device can replace the trouble of manual cleaning, can greatly improve the working efficiency and reduce the labor intensity of workers, and is simple in structure, low in manufacturing cost and suitable for popularization.

The invention provides a radar device of a logistics robot, which comprises a chassis bracket and a radar assembly arranged on the chassis bracket, and is characterized in that the radar assembly comprises a radar module, a rotating cylinder, a driver and a limiting piece; the radar module is located in the rotating cylinder, and the radar module is in threaded connection with the inner wall of the rotating cylinder; the rotating cylinder penetrates through the chassis support in the thickness direction of the chassis support, and the two ends of the rotating cylinder are located on the two sides of the chassis support correspondingly. The driver is arranged on the chassis support and used for driving the rotating cylinder to rotate. The limiting piece is connected with the chassis support and penetrates through the radar module so that the radar module can slide in the axial direction of the rotating cylinder when the driver drives the rotating cylinder to rotate. The forward and reverse rotation of the driving motor controls the sliding position of the radar module in threaded connection with the inner wall of the rotating cylinder in the rotating cylinder, the forward rotation of the driving motor enables the rotating cylinder to drive the radar module to move away from the ground in the extending direction of the rotating cylinder, and otherwise, the radar module moves towards the ground.