51results about How to "Ease of withdrawal" patented technology

The invention discloses a telescopic emergency bridge which comprises a transport operation vehicle, a bridge main body, a hydraulic system, a supporting plate and a control cable system. The bridge main body comprises two lateral frameworks which are formed by sequentially connecting multiple movable crosses through end hinges. A plurality of parallel horizontal rods are arranged between the two lateral frameworks, and the two ends of each horizontal rod are fixedly connected with the end hinges of the movable crosses at corresponding positions of the lateral frameworks. A bridge deck slab is arranged on every two adjacent horizontal rods on the lower portion of each lateral framework, a longitudinal supporting rod is arranged on every two adjacent horizontal rods on the upper portion of each lateral framework, the two ends of each lateral framework are respectively provided with a bridge end post, a telescopic device is arranged in each bridge end post and extends out of the lower end of bridge end post, and guide wheels are arranged at the lower ends of the telescopic devices. The telescopic emergency bridge is high in pertinence, low in weight, low in requirement for operation sites, high in erecting and detaching operation speed, and high in automation degree.

The invention discloses a self-propelled pneumatic pipeline cleaning machine and cleaning method. The cleaning machine comprises a pipeline cleaning mechanism and a monitoring device; the pipeline cleaning mechanism comprises a guiding plate, a braking mechanism, a cleaning head mechanism and a reciprocating driving mechanism; and the monitoring device comprises a controller, a first magnetic switch, a second magnetic switch, a first electromagnetic valve and a second electromagnetic valve. The cleaning method includes the steps that firstly, the self-propelled pneumatic pipeline cleaning machine is placed; secondly, the braking mechanism performs braking and the cleaning head mechanism performs radial expanding; thirdly, the inner wall of a pipeline is cleaned; and fourthly, when cleaningof the whole to-be-cleaned pipeline is completed, and the self-propelled pneumatic pipeline cleaning machine is taken out. The self-propelled pneumatic pipeline cleaning machine is simple in structure, capable of easily, conveniently and fast cleaning the inner wall of the pipeline and good in cleaning effect.

The invention discloses a folding and variable-stiffness instrument arm used for a natural orifice surgery and an application method thereof. The instrument arm is a surgical support tool with variable size and variable stiffness and comprises a braided tube structure and a sealing film. The sealing film wraps the inside, the outside and the end part of the braided tube structure to form an annual and enclosed inner cavity, in which the braided tube structure is wrapped. An air bag or a driving wire helps increase the diameter of the instrument arm. Gas in the sealing film is extracted. Therefore, a braided tube can be in the rigid and large-diameter state, which provides a bigger channel for subsequent surgical tools. The subsequent surgical tools are prevented from stabling tissue and support is provided for ensuring precision. Gas is allowed to enter the sealing film and the sealing film restores to be in the flexible state. The self-elasticity of the braided tube structure is utilized for returning to the small-diameter state. Therefore, the instrument arm can easily stretch into and get away from a body cavity, helps avoid stabbing and reduces discomfort of a human body.

The invention discloses an expandable variable rigidity snake-shaped carrier for natural orifice surgery and an application method thereof. A snake-shaped carrier is mainly composed of a weaving pipe and hot melt adhesive; the variable rigidity is realized by changing the hot melt adhesive state, and the variable dimension is realized through screw driving according to the property of the weaving pipe. The expandable variable rigidity snake-shaped carrier for natural orifice surgery has good flexibility and can realize big curvature bending; the adaptation ability to a complex human body orifice environment is stronger; after entering a human body, the carrier is supported by the driving screw and shows a big diameter state; the carrier expands the human body tissues and provides larger orifice channel; after representing the big diameter, the conversion of rigid and flexible states can be realized through controlling the heat input and output after representing the big diameter; besides, the carrier can protect human body orifice from being stabbed and scraped by operation apparatus, and provide support for operation apparatus; therefore, the stability is improved and the operation precision is promoted.

The invention relates to a reverse righting system for a vehicle. The system comprises a moving trolley provided with a overturning driving assembly. The moving trolley comprises a trolley frame, a bearing pedestal and a telescopic supporting fork driving cylinder. The trolley frame is provided with a telescopic long beam, the telescopic long beam is provided with the bearing pedestal, the overturn driving assembly comprises an overturn movable arm driving cylinder and an overturn movable arm, the lower end of the overturn movable arm serves as a rotating connecting point, the rotating connecting point is in fit connection with a bearing pedestal hole shaft, a connecting shaft is arranged close to the middle of an arm body of the overturn movable arm, a lug ring at the end of a piston rod of the overturn movable arm driving cylinder is connected with the connecting shaft of the overturn movable arm, the tail of the overturn movable arm driving cylinder is connected with the trolley frame, a connecting point for dragging an overturned vehicle is arranged at the upper end of the overturn movable arm, the telescopic long beam can extend to the bottom of the overturned vehicle to exceed the position of the gravity center of the vehicle, the overturn movable arm driving cylinder drives the overturn movable arm to overturn around the rotating connecting point, the moving trolley and the overturn driving assembly are integrally connected to form an overturn moving trolley, and the overturned vehicle is rapidly, safely and stably righted.

The invention discloses a folding and variable stiffness instrument arm for natural orifice surgery. The instrument arm is a surgical support tool with variable scale and variable rigidity, including a braided tube structure and a sealing membrane, and the sealing membrane includes The inner and outer sides and ends of the braided tube structure are covered to form an annular closed inner cavity, and the braided tube structure is covered inside it. The diameter of the instrument arm can be increased through the airbag or the driving wire, and the gas in the sealing membrane can be extracted to make the braided tube appear rigid and large-diameter, providing a larger passage for subsequent surgical tools, preventing subsequent tools from poking tissue, and providing Supports guarantee precision. It can also restore the soft state by re-entering the gas in the sealing film, and use the elasticity of the braided tube structure to return to the small-diameter state, so that the arm of the device can be more easily extended into and out of the human body cavity, and avoid puncture injuries and reduce human discomfort. .

The invention provides a detachable lower ball seat for a high-speed bridge swivel steel support, and relates to the technical field of bridge construction, capable of solving the problems that when an existing lower ball seat for a detachable bridge swivel steel support is disassembled, and a bridge needs to be jacked up firstly and then disassembled, and the operation of jacking up the bridge firstly is extremely difficult, and the bridge is jacked up and then falls down, and great potential safety hazards exist in the bridge, and deviation is likely to occur in the falling position. The detachable lower ball seat includes a lower ball seat, wherein a lower spherical hinge is horizontally mounted at the upper end of the lower ball seat. According to the detachable lower ball seat for a high-speed bridge swivel steel support, the left end edge and the right end edge of the lower ball seat are respectively and fixedly provided with the horizontal side support plates; in conclusion, when construction is finished, the squeezing block can be separated from the self-discharging block, and the lower spherical hinge part falls down, and therefore a gap is reserved between the device anda bridge, and the detachable lower ball seat for a high-speed bridge swivel steel support can be freely withdrawn, and in conclusion, the detachable lower ball seat for a high-speed bridge swivel steel support is safer, more efficient and extremely high in repeated utilization rate when used.

A telescopic packaging and weighing system used for a silane crosslinking cable material production line comprises a hopper, a telescopic rotary support used for supporting packaging bags, and a metering device. The central point of the hopper, the central point of the support and the center point of the metering device are all located on a straight line perpendicular to the horizontal plane. The support is composed of two frames. The two frames are connected through connecting pieces which are arranged at the central point of the upper border and the central point of the lower border. The frames can rotate clockwise or anticlockwise, and an included angle between the two frames ranges from 0 degree to 360 degrees. The frames can be pulled upwards and downwards according to requirements so that the length of the left border and the right border can be adjusted. The frames are connected with a fixed sliding groove through a sliding rod. The sliding rod is connected with the fixed sliding groove through a rotatable connecting piece. A rail used for the sliding rod to slide is arranged on the fixed sliding groove. The telescopic packaging and weighing system has the beneficial effects that the packaging efficiency can be improved, and cargo bagging and weighing are facilitated.

The invention relates to a vehicle reverse centralizing method. A vehicle reverse centralizing device comprises a cross beam transversely arranged on the ground, and a movable arm, wherein the cross beam and the movable arm form a centralizing mechanism, specifically, a traction connection point B is arranged at the upper end of the movable arm, the lower end of the movable arm is a rotation point, a connection point A is arranged on the cross beam and connected with the rotation point at the lower end of the movable arm, the cross beam is provided with a front end point D and a rear end point C and is provided with a driving mechanism for driving the movable arm to rotate, and the driving mechanism can drive the movable arm to increase or decrease the included angle e between the movable arm and the cross beam. The vehicle reverse centralizing method comprises the following steps that firstly, tires of a rollover vehicle are laterally jacked up through an air cushion or a hydraulic jacking moving mechanism; secondly, the front end point D of the cross beam is movably inserted into the bottom of the rollover vehicle, the distance from the connection point A to the front end point D is larger than that from the connection point A to a gravity center W, and the traction connection point B is fixedly connected with the rollover vehicle; and thirdly, the driving mechanism drives or drags the movable arm to rotate around the connection point A of the cross beam, and the rollover vehicle is centralized.

The invention discloses an induction rod assembly device for producing temperature sensors. The induction rod assembly device comprises a base, a separated air cylinder, an induction rod moving block,an induction rod setting seat, a second direct absorber, an assembly air cylinder and a material-pushing assembly; a middle partition layer is arranged in the base; the induction rod moving block islocated in the middle partition layer, and the induction rod moving block is installed at the telescopic end of the separated air cylinder; the induction rod setting seat is movably connected to the induction rod moving block through a sliding rail, and a horizontal through hole is formed in the induction rod setting seat; the second direct absorber is fixedly arranged, and the discharging end ofthe second direct absorber corresponds to the lateral side of the base; and the assembly air cylinder is located on the lateral side of a rectangular hole, and the material-pushing assembly is installed at the telescopic end of the assembly air cylinder. The induction rod assembly device for producing the temperature sensors has the advantages of high conveying efficiency of induction rods, and the induction rod assembly is accurate.

The invention discloses a telescopic tool for machining a large-diameter inner hole by a numerical control lathe, and belongs to the field of mechanical machining devices. The telescopic tool comprises a tool bit (1) and a front tool apron (2) and is characterized by further comprising a rectangular rear tool apron (3), an adjusting nut (4), an adjusting rod (5), a joint bearing (8) and an adjusting seat (9), a large boss and a small boss are formed at the right end of the front tool apron (2), a through hole of the rear tool apron and a through hole in the large boss of the front tool apron (2) are mounted in a matched manner through a pin (6), an outer circle of the joint bearing (8) is fixed at the right end of the rear tool apron (3), an inner circle of the joint bearing is fixed with the adjusting nut (4), the right end of the adjusting rod (5) is connected with the adjusting nut (4), the left end of the adjusting rod (5) is fixed on the adjusting seat (9), and a through hole of the adjusting seat (9) and a through hole in the small boss of the front tool apron (2) are mounted in a matched manner through the pin (6). According to the telescopic tool, the tool bit can expand and contract in the hole diameter of a machining part, so that parts with narrow port sizes and large hole sizes are machined.

The invention discloses a terminal assembling device for temperature sensor production. The terminal assembling device comprises a moving base, a rotating air cylinder, a swing material suction block,a lateral moving air cylinder, a vertical plate, a limiting air cylinder, a limiting block and an optical fiber sensor. The moving base is mounted at the moving end of the lateral moving air cylinder; the lateral moving air cylinder is fixed to the rack, the rotating air cylinder is installed on the moving base, the swing material suction block is installed at the telescopic end of the rotating air cylinder, an air suction hole is formed in the end of the swing material suction block, an air suction valve is connected to the air suction hole, and a step face is arranged at the end of the swing material suction block. The vertical plate is fixed to the rack, the limiting air cylinder is installed at the upper end of the vertical plate, the limiting block is installed at the telescopic endof the limiting air cylinder, and the optical fiber sensor is installed at the upper end of the vertical plate. The device has the advantages that the wiring terminals are efficiently sucked, moved and transported, and the passive loading depth is ensured.

The invention discloses a quick demoulding terminal machine suitable for automatic processing, which includes a frame and a terminal die installed in the frame, the terminal die includes an upper support die and a lower support die, and the frame includes a bottom plate and a mounting Vertically placed on the bottom plate, the upper end of the vertical frame is equipped with an auxiliary clamping mounting frame, a downward pressure cylinder is installed in the auxiliary clamping mounting frame, a demoulding cylinder is installed on the bottom plate, and the downward pressure cylinder Set coaxially with the demoulding cylinder; the upper mold includes an upper mold base and a traveling cutter head connected to the upper mold base and coaxial with the driving direction of the lower pressure cylinder, and the lower mold includes a lower mold base The base and the retracting cutter head connected to the lower supporting mold base and coaxially connected to the power end of the demoulding cylinder, the advantage of the present invention is that the fixed end of the traditional terminal machine becomes a fixed lower supporting mold base and the retreating cutter head The combination, after the processing is completed, the retreating cutter head falls, which is convenient for the product to withdraw, and adapts to the automatic assembly line production mode.

The invention provides a detachable lower ball seat for a high-speed bridge swivel steel bearing, relates to the technical field of bridge construction, and solves the problem that the existing detachable lower ball seat for a bridge swivel steel bearing needs to be disassembled. It is extremely difficult to jack up the bridge first and then to be disassembled, and the bridge is jacked up and then dropped, which also makes the bridge a great safety hazard, and there may be deviations in the position, including the lower ball seat; The upper end of the lower ball seat is horizontally equipped with a lower ball joint. In the present invention, because the left end edge and the right end edge of the lower ball seat are respectively fixed with horizontal side support plates, they can also play a fixed role at the same time, and when the construction is completed, the squeeze block and self-unloading can be made The blocks are separated, so that the lower ball joint part falls, so that there is a gap between the device and the bridge, which can be withdrawn freely. In summary, the device is safer and more efficient when used, and the reuse rate is extremely high.

The invention discloses an underground movable split escape capsule system, which relates to the technical field of underground disaster prevention life-saving equipment for a coal mine and consists of a transition capsule, a main capsule and an auxiliary capsule, wherein all capsule body split bodies are connected through flanges and are provided with a transition capsule door, a main capsule door and an auxiliary capsule door. The underground movable split escape capsule system is characterized in that the system in the capsule body mainly consists of an alternating current motive-power power supply and high-capacity colloid storage battery uninterrupted conversion device, a compressed air system oxygen supply device, a compressed oxygen supply device, a filteration, temperature reduction and dehumidifying integration device, a gas dilution purifying device and an excrement collector, wherein the alternating current motive-power power supply and high-capacity colloid storage battery uninterrupted conversion device provides electric power supply for a communication and environment gas monitoring system and an instrument, and the excrement collector is arranged in the transition cabin. The underground movable split escape capsule system solves the problems to reach the goals that the oxygen supply, the temperature reduction and dehumidification and the gas dilution purification are realized, the electric power can be provided for more than 96 hours, or the infinite power supply can be realized, the split connection is convenient, the work efficiency is high, the required space is small, the construction engineering quantity is reduced, after the mine disasters occur, workers can enter all cabins to repair facilities in the cabins without gonging out of the escape capsule, simultaneously, miners can conveniently go out from the cabins, and the like.