57results about How to "Achieve stretch out" patented technology

The invention relates to the technical field of shielding doors of high-speed railway/intercity railroad platforms, in particular to a high-speed rail platform door with an adjustable door opening position. The door comprises fixed door frames which are arranged on the edge of the platform in the length direction of the platform, are arranged on the same straight line and are connected with one another, a plurality of movable units are arranged in each fixed door frame, and each movable unit comprises a movable door, a first telescopic device, a second telescopic device, a first driving part and a second driving part; the first telescopic device and the second telescopic device are located on the two sides of the movable door respectively, first fixing devices matched with each other are arranged between the movable units and the fixed door frame, and second fixing devices are further arranged between the adjacent movable units. By means of the high-speed rail platform door, the problem that the door opening positions of different vehicle types cannot be adjusted can be effectively solved, and the movable unit can achieve switching between the flexible moving function and the stable fixing function.

The invention relates to an intelligent switch cabinet, which comprises a cabinet frame and a plurality of electrical components installed in the cabinet frame. The four sides of the cabinet frame arecoated with cabinet doors. The cabinet frame is connected in a sliding manner with four groups of supporting rods which are respectively fixed to the cabinet doors. Each supporting rod supports the corresponding cabinet door. The sliding direction of each supporting rod is perpendicular to the plane where the cabinet door connected with the supporting rod is located. A linkage device for drivingthe supporting rods to synchronously slide is arranged in the cabinet frame. Through the arrangement, the linkage device driving the supporting rods to move synchronously enables the supporting rods to move linearly towards the cabinet doors connected with the supporting rods at the same time, the cabinet doors are then driven to move away from the center of the cabinet frame at the same time to expose the electrical components in the switch cabinet, and thus, users can conveniently observe, overhaul, assemble and disassemble the electrical components in the cabinet body from all angles.

The invention relates to a foldable support mechanism, belonging to the technical field of a support device for repairing and maintaining large-tonnage machinery parts and components, and aiming at providing a support device which not only is capable of supporting the large-tonnage machinery parts and components, but also is convenient to carry. The technical scheme of the foldable support mechanism is as follows: a telescopic rod and a fixing rod are vertically arranged, an opening is formed in the upper end of the fixing rod, the lower end of the fixing rod is closed, and the fixing rod is sleeved outside the telescopic rod; a support ring is arranged at the lower end of the telescopic rod; a composite bearing and an end cover are arranged at the upper end of the telescopic rod; the end cover is used for closing the upper end of the fixing rod; a plurality of upper support lugs corresponding to support legs are evenly arranged at the upper part of the outer wall of the fixing rod, a plurality of quick-release pin connecting holes connected with first L-shaped quick-release pins are formed in the middle of the outer wall of the fixing rod, a plurality of lower support lugs corresponding to the support legs are evenly arranged at the lower part of the outer wall of the fixing rod; the upper ends of the support legs are hinged with the upper support lugs, the lower ends of the support legs are hinged with one ends of pull rods, and the other ends of the pull rods are hinged with the lower support lugs; movable support legs are connected at the lower ends of the support legs in a sliding way. The foldable support mechanism is used for supporting the large-tonnage machinery parts and components.

The invention discloses convenient-to-use antiskid shoes. Each shoe includes a shoe body and a shoe sole; the shoe body is internally nested with an inner boot; the lower end of the shoe body is connected with the shoe sole, the shoe sole is provided with a transverse sliding groove, and a plurality of groups of antiskid grooves are formed in the lower surface of the shoe sole; parts, located at intersection parts of the antiskid grooves and the transverse sliding groove, of the shoe sloe are provided with through holes, and the through holes make the antiskid grooves communicate with the transverse sliding groove; the through holes are each internally sleeved with an antiskid nail. Through arrangement of the antiskid nails which can be accommodated, movable rods driven by impact blocks and clamping grooves arranged on the movable rods, the antiskid nails can be accommodated and extended through the impact action of feet, so that two modes of walking on an ice surface and walking indoor are convenient to switch for use, and the antiskid performance and the convenience of the use are greatly improved; with arrangement of the inner boots and magic tapes woven by waterproof fabric materials, the waterproof and warm-keeping properties of the shoes are enhanced and the comfort of use in winter is improved.

The invention provides a temperature sensor with a waterproof function. The temperature sensor comprises a detection assembly, a first sleeve and a second sleeve, the detection assembly is used for detecting environment temperature; a plurality of guide blocks are arranged on the detection assembly; the detection assembly is arranged in the first sleeve, the first sleeve is provided with guide channels in one-to-one correspondence with the guide blocks, the guide channels penetrate through the side wall of the first sleeve, and the length direction of the guide channels is parallel to the central axis direction of the first sleeve; the first sleeve is arranged in the second sleeve and is in sliding connection with the second sleeve, the inner wall of the second sleeve is provided with spiral sliding grooves which are in one-to-one correspondence with the guide blocks, the guide blocks penetrate through the guide channels and are in sliding connection with the guide channels, and the ends, away from the detection assembly, of the guide blocks are in sliding connection in the sliding grooves. The problems that a traditional temperature sensor can only be connected in a wired mode and the service life of the traditional temperature sensor is shortened due to long-term exposure in the environment are solved, and the temperature sensor has the advantages of being simple in structure and low in manufacturing cost.

The invention relates to the field of cable connectors, in particular to a cable connector protection structure which comprises a pressure transmission device, a shell and a telescopic connector, moving holes are formed in the left side and the right side of the shell, indicator lamps are arranged in the moving holes, a sealing pipe is installed on the pressure transmission device, a pressing block is arranged at the top end of the sealing pipe, and a telescopic block is arranged on the side face of the sealing pipe. The top of the telescopic joint is provided with a connecting plug, the frontend face of the connecting plug is provided with a plug hole, the rear end face of the connecting plug is provided with a connecting shaft, twenty-five conduits are installed on the connecting shaftin a circumferential array mode, the tail ends of the conduits are provided with a connecting table,two parallel pipes are symmetrically mounted on the left side and the right side of the bottom of each indicator lamps,a fixed table is arranged outside the connecting table, and twenty-five connecting holes are formed in the fixed table in a circumferential array mode; and the protection structureof the cable connector has the beneficial effects that the protection structure of the cable connector optimizes the structure of a traditional cable connector, so that the cable connector has a protection function.

The invention discloses a device for automatically and optically determining a target position of a container spreader. The device structurally comprises a container checking device, a connecting arm,a spreader mechanism and a shell, the container checking device is installed outside the shell, and the spreader mechanism is connected with the shell through the connecting arm. According to the device, through the combined action of a lifting mechanism, a detecting device, a mechanical driving device, a mechanical transmission mechanism, a first hanging mechanism and a second hanging mechanism,a container can be secondarily checked, and the condition that the container is moved wrongly by the spreader is avoided; and in addition, the connection modes between the spreader and the containerare diverse, and the actual using requirements are met.

The invention discloses a synchronous telescopic arm and a patrol robot with the same. The synchronous telescopic arm comprises a rack and a driving device arranged on the rack, a first connecting rodassembly is rotationally connected to the rack, the free end of the first connecting rod assembly is rotationally connected with a middle connecting base, the middle connecting base is rotationally connected with a second connecting rod assembly, the free end of the second connecting rod assembly is rotationally connected with a movable connecting base, and when a driving device drives the firstconnecting rod assembly to rotate relative to the rack, the second connecting rod assembly synchronously rotates relative to the first connecting rod assembly. When the telescopic arm is used, a camera is installed on the movable connecting base so that the telescopic arm can carry the camera to pass through a fence door to enter a cell for shooting, abnormal situations and potential safety hazards in the cell can be found in time, and the safety supervision level of a prison is further improved.

The invention relates to a pre-maintaining equipment of a screen, in particular to a pre-maintaining mechanism of the screen. The pre-maintaining mechanism comprises a first supporting frame, a second supporting frame, a first cross arm and a second cross arm, wherein an arm groove is arranged at the middle part of the first cross arm along a radial direction; the middle parts of the first cross arm and the second cross arm are crossly and rotatably connected through an overturning sliding structure mounted on the arm groove; one opposite ends of the first supporting frame and the second supporting frame are provided with sliding grooves; one ends of the first cross arm and the second cross arm are respectively mounted on the sliding grooves through stretching sliding structures; and the other ends of the first cross arm and the second cross arm are mounted at the other ends of the second supporting frame and the first supporting frame. According to the pre-maintaining mechanism of the screen, a simple cross structure is utilized and a stretching mechanism and an overturning mechanism are combined, so that the stretching movement and the overturning movement can be realized simultaneously and the maintenance of the screen is greatly convenient; and the structure is simple and the cost is low.

The invention discloses a sliding door lock with a handle. The sliding door lock comprises a door lock body, a handle rod (1) extending and retracting from the door lock body, a handle unit arranged in the door lock body and connected with the handle rod (1), a guiding plate and a pressure spring. A recessed groove and a protruding stop block in the middle of the recessed groove are arranged on one side of the handle unit, the protruding stop block divides the recessed groove into an annular sliding groove (2), and a pressing block is arranged on the other side of the handle unit. One end of the guiding plate is in pivot connection in the door lock body, the other end of the guiding plate is provided with a protrusion (3), and the protrusion (3) is embedded in the sliding groove (2). One end of the pressure spring is fixed in the door lock body, and the other end of the pressure spring butts against the pressing block of the handle unit and exerts force on the handle unit to stretch the handle rod (1) out from the door lock body. Stretching out and retraction of the handle rod (1) are achieved by enabling the protrusion (3) to slide along a semi-ring on one side of the annular sliding groove (2). The sliding door lock with the handle is simple in structure and convenient to operate.

The invention provides a car coupler automatic control system. The car coupler automatic control system comprises a main air pipe and an uncoupling pipeline; the main air pipe is divided into two paths; the first path comprises a first limiting switch connected with the main air pipe and a second limiting switch connected with the first limiting switch and communicated to a contact of a two-position five-way pneumatic control valve; the other path is communicated with an air inlet of the two-position five-way pneumatic control valve; the uncoupling pipeline is connected with a uncoupling cylinder; and a working port of the two-position five-way pneumatic control valve is connected with the pushing cylinder. According to the coupler automatic control system, under the single-coupler state, stretching out of the electrical coupler can be achieved through triggering of the first limiting switch, and retracting of the electrical coupler can be achieved through triggering of the second limiting switch.

The invention provides a variable-diameter back reaming device and a process method. According to the variable-diameter back reaming device, a central rod is connected with a body by a spline pair, through holes are formed in the body, a bearing end cover is arranged on the upper part of the body, the middle part of the body is of a three-ledge or four-ledge structure, two oil injection holes are symmetrically formed above the ledges and an oil injection plug head is installed, and a cutting block is arranged on each ledge; and a balance piston rod, a balance piston, a spring and a bevel barrel are installed in an annular space of the central rod and the body, the balance piston rod is connected with the central rod through a thread, the balance piston is installed in an annular space of the balance piston rod and the body, and the spring is installed between the balance piston rod and the central rod. The variable-diameter back reaming device and the process method provided by the invention are used for safe drilling and completion for complex formations.

The invention discloses an auxiliary model for urban road design, which belongs to the technical field of road design and comprises a display board, an adjusting mechanism is mounted below the display board, a rotating block is mounted on the upper end face of the adjusting mechanism, and a limiting plate is movably connected to the outer side wall of the rotating block. The upper end face of the limiting plate is fixedly connected with the lower end face of a display plate, a driving mechanism is installed in the display plate, and the driving mechanism is in transmission connection with an extension mechanism. The auxiliary model can be adjusted, the use length can be adjusted according to the actual use requirement, in the actual use process, time and labor are saved, the working efficiency is high, and the practicability is very high.

The invention provides a solar panel support, and belongs to the technical field of solar equipment. Therefore, a problem that an existing solar panel installed on the periphery of a balcony is low inefficiency is solved. The solar panel support comprises a fixed frame, a swing frame and a telescopic frame, the upper end of the swing frame is hinged to the fixed frame; and the telescopic frame isslidably connected to the swing frame. A main shaft capable of rotating is connected to the fixed frame; a transmission mechanism is arranged between the main shaft and the telescopic frame; a limiting piece is arranged on the fixed frame; the main shaft is sleeved with a driving sleeve, a positioning sleeve and a transmission sleeve; the driving sleeve is fixed on the main shaft; the positioningsleeve is fixed to the fixed frame, the transmission sleeve is connected to the swing frame in a sliding mode in a transverse direction, the telescopic frame is provided with an ejector rod capable of being abutted against the transmission sleeve and enabling the transmission sleeve and the driving sleeve to form circumferential positioning, and when the ejector rod is separated from the transmission sleeve, the driving sleeve can push the transmission sleeve to enable the transmission sleeve and the positioning sleeve to form circumferential positioning. The solar panel support enables the solar panel to be telescopic while adjusting the angle of the solar panel.

This invention relates to single direction contract door to improve it utility and install environment, wherein, the Single door can be fixed with one layer of board to be one turning contract door. The single direction contract door comprises one rotation door on shaft and slide door, wherein, the door is opened to drive rotation structure gear through middle gear and drive gear and the drive rope compressed spring drives slide door to realize door rotation and slide door contract at same time to add door open degree and decreases door open space.

The invention relates to the technical field of sanitary and bathroom equipment, and particularly discloses an urine collecting and cleaning system. The urine collecting and cleaning system comprisesa toilet lid seat ring, a toilet lid base, a negative pressure unit, a buffering pool, a cleaning mechanism and a shunt valve, wherein the toilet lid seat ring is connected with a collecting hose; thecollecting hose is fixedly connected with a collecting box; one end of the negative pressure unit is communicated with the collecting hose, and the other end of the negative pressure unit is communicated with the buffering pool; the cleaning mechanism comprises a cleaning pipe and a cleaning spray nozzle; the cleaning pipe is communicated with the cleaning spray nozzle; the cleaning spray nozzlefaces one end of the collecting hose, which is connected with a collecting box; a water inlet of the shunt valve is connected with an external water supply unit; and a plurality of bleeders of the shunt valve are respectively connected with the cleaning pipe and the buffering pool. According to the scheme, by arranging the negative pressure unit, the buffering pool, the cleaning mechanism and theshunt valve, problems of high cost, complex operation and incomplete flushing of a toilet with urine collecting and urine flushing functions in the prior art are solved.

The invention discloses a hydraulic system for hinging of a shield tunneling machine. The system comprises a hydraulic oil tank, a hydraulic pump and a hinge oil cylinder. An oil inlet of the hydraulic pump is connected with the hydraulic oil tank, wherein an oil outlet of the hydraulic pump is connected with a port P of a first electromagnetic valve through a pipeline; a port T of the first electromagnetic valve is connected with the hydraulic oil tank through a pipeline; a port A of the first electromagnetic valve is connected with a port A1 of a hydraulic lock through a pipeline; a port B of the first electromagnetic valve is connected with a port B1 of the hydraulic lock through a pipeline; a port A2 of the hydraulic lock is connected with a rodless cavity of the hinge oil cylinder through a pipeline; a port B2 of the hydraulic lock is connected with a rod cavity of the hinge oil cylinder through a pipeline; a floating loop and a backpressure loop are arranged between the hinge oilcylinder and the hydraulic oil tank in parallel and connected through a pipeline; an unloading loop is arranged between the hydraulic lock and the hydraulic oil tank and connected through a pipeline;and a locking loop is arranged between the hydraulic pump and the hydraulic oil tank and connected through a pipeline. The shield tunneling machine hinge hydraulic system is mainly applied to a shield tunneling machine hinge device, and the functions of stretching, retracting, deflecting, following, locking and the like of the hinge device can be achieved.

The invention discloses a sliding door limiting device, and relates to the field of automobile sliding door structures. The sliding door limiting device comprises a triggering opening and closing device, a limiting device body and a hydraulic transmission device for realizing linkage of the triggering opening and closing device and the limiting device body; the triggering opening and closing device comprises a pressing telescopic device arranged at the tail end of a sliding door lower hinge sliding rail and a first piston arranged at the telescopic end of the pressing telescopic device; the hydraulic transmission device comprises a hydraulic pipe and hydraulic oil arranged inside the hydraulic pipe; the limiting device body comprises an automatic resetting telescopic limiting device fixedto the sliding door extreme opening position and a second piston moving synchronously with the telescopic part of the automatic resetting telescopic limiting device; the first piston and the second piston are arranged at two ends of the hydraulic pipe respectively; and the hydraulic oil is located in closed area formed by the first piston, the second piston and the hydraulic pipe. By the aid of the sliding door limiting device, the problems that existing sliding door limiting devices are strenuous, sliding doors are blocked to open and close, structures are complex and opening and closing staywires are required to be arranged are solved.

A disc brake lock comprises a lock body, an outer fastening piece, an inner fastening piece, a gasket, socket head cap screws, and hexagonal socket set screws. The disc brake lock is characterized in that the outer fastening piece and the inner fastening piece are fixed to a frame via the socket head cap screws; the gasket is arranged among the outer fastening piece, the inner fastening piece and the frame; the lock body is installed on the outer fastening piece and the inner fastening piece by being connected with T-shaped grooves of the outer fastening piece and the inner fastening piece, and is located via the hexagonal socket set screws. The lock body comprises a lock shell, a keyhole and a lock pillar, wherein the keyhole is formed in the outer end face of the lock shell and the lock pillar is located in the lock shell. The lock pillar can be made to extend out or retreat back by rotating a key, so that the disc brake lock can be locked or unlocked.

The invention discloses a two-degree-of-freedom clothes airing device which comprises a bracket, a guide part, a driving part, a lifting part, a translation part and a control part. The guide part isarranged on the bracket. According to the embodiment, the guide part is arranged on the bracket, the lifting part is slidably connected to the guide part, the translation part is slidably connected tothe lifting part, the lifting part is driven by the driving part, and when the lifting part drives the translation part to ascend to the highest position, the driving part can be connected with the translation part and drives the translation part to horizontally move relative to the lifting part, so that clothes airing units are stretched and retracted. The two degrees of freedom of lifting and stretching of the clothes airing device can be achieved through one driving part, meanwhile, the driving part is installed on the bracket and does not ascend and descend along with the lifting part, and therefore the problem that a motor and other driving parts of an existing clothes airing device ascend and descend along with a clothes hanger, and consequently faults are prone to occurring is solved.

The invention provides a double-step type pressurizing oil cylinder. The double-step type pressurizing oil cylinder comprises a first piston rod assembly and a second piston rod assembly which are arranged in a cylinder barrel, the first piston rod assembly comprises a first piston and a first piston rod, the second piston assembly comprises a second piston and a second piston rod, medium-pressureoil enters a medium-pressure oil cavity through a medium-pressure oil port to push the first piston so as to push the first piston rod to extend out by a preset stroke, then high-pressure oil is input into a high-pressure oil cavity from a high-pressure oil port, the second piston is pushed to push the second piston rod, medium-pressure oil in the medium-pressure oil cavity and the first piston rod assembly to integrally advance, then the first piston rod extends out by a second preset stroke, and backpressure oil enters a backpressure oil cavity through a backpressure oil port to achieve resetting of the first preset stroke and the second preset stroke. According to the oil cylinder, the characteristic that oil cannot be compressed is used for transmitting energy, the overall energy consumption of the oil cylinder is reduced, and stability is improved.

The invention provides a composite carbon fiber oil cylinder, belongs to the technical field of hydraulic cylinders, and aims to provide a carbon fiber oil cylinder which meets the design requirement on inner bore precision, geometric tolerance and degree of finish of a cylinder barrel and works stably under high pressure. According to the technical scheme, the cylinder barrel is formed by winding composite carbon fibers and nano materials; threads which are formed by winding composite carbon fibers and nano materials are respectively arranged at two ends of a cylinder cover; threads are also machined at connecting ends of a cylinder bottom, the cylinder cover and the cylinder barrel; a piston rod of a piston rod assembly is a hollow tube; an oil cylinder reverse cavity inlet is formed in the piston rod; and an oil cylinder forward cavity inlet is formed in the cylinder bottom. The invention is applied to the carbon fiber oil cylinder.

The invention discloses a penile dorsal nerve isolation operation cutting device under a microscope. The structural principle of combining a cutting assembly and a solid locking mechanism is adopted,the cutting assembly can be adjusted to an appropriate operation position through a bracket and a manual sliding guide rail, automatic cutting of a compound trajectory on an operation site is carriedout through an arranged tool combination driven by a lifting mechanism, a rotating mechanism and an automatic sliding guide rail, cuttings of linear, arc-shaped, and various types of wound can also becarried out, and the arranged solid locking mechanism can carry out good auxiliary fixing for a penis to cooperate with the cutting of the cutting tool combination; compared with conventional surgical tools, the penile dorsal nerve isolation cutting device is high in cutting precision, safe and reliable, easy to operate, and convenient to use, functional needs of the safe use of a penile dorsal nerve isolation operation under the microscope are met, meanwhile the cutting assembly is also applicable to other surgical cuttings, the cutting device is high in practicability, and suitable for popularization and application.

A bulkhead gate device comprises a bulkhead gate and a lifting lug above the bulkhead gate, wherein the bulkhead gate consists of a set of bins consisting of a series of transverse beams, longitudinalbeams and beam slabs. A bottom edge structure is arranged in the lowermost bin of the bulkhead gate; the bottom edge structure comprises a bottom edge; one of sides of the bottom edge is provided with a rotating shaft; two ends of the rotating shaft are arranged at the outer edge of the lowermost bin through bearings and bearing blocks; each of two ends of the other side of the bottom edge is hinged with one end of a crank through a hinge joint; the other ends of the cranks are hinged with one end of a sliding block; the sliding block is connected with the tail end of a transverse push rod atthe bottom part of an L-shaped hydraulic arm; and the vertical part of the L-shaped hydraulic arm penetrates through the gate and extends to the top part of the gate and communicates with an externalhydraulic system. After the protruding bottom edge is added on the device, the effective action area of water weight is increased, and the gate is helped to be closed, and moreover, the bulkhead gatedevice is simple in structure, convenient in construction and comparatively low in manufacturing cost.