11results about How to "Simple structure and principle" patented technology

The invention belongs to the technical field of aircraft engine accessory casing structural design, and particularly relates to an aircraft engine accessory casing fuel pump gear shaft spline bearing lubricating structure which comprises an oil passing shaft and an adapter ring. The oil passing shaft is a hollow shaft and is arranged in the end, provided with the gear, of the gear shaft, the end of the gear shaft is sleeved with a bearing, the bearing is located on the outer side of the gear, and a spline is arranged in the other end of the gear shaft. The gear shaft is provided with a plurality of bearing lubricating channels distributed in the circumferential direction, all the bearing lubricating channels are communicated with the portion between the bearing and the gear, and all the bearing lubricating channels incline towards the bearing. The adapter ring sleeves the oil passing shaft and is connected to the inner side of the gear shaft; an annular oil collecting groove is formed in the end portion of the end, facing the spline, of the adapter ring, an annular oil collecting cavity is formed between the adapter ring and the gear shaft, the annular oil collecting groove and the annular oil collecting cavity are communicated through a plurality of oil through holes distributed in the axial direction, and the annular oil collecting cavity is communicated with the bearing lubricating channels.

The invention relates to the technical field of transmission gear shifting testing, and discloses a transmission static gear selecting and shifting performance testing device and a testing method thereof.The transmission static gear selecting and shifting performance testing device comprises a gear selecting assembly, a gear shifting assembly, a detecting assembly and an adjusting assembly.The gear selecting assembly comprises a gear selecting mechanical arm and a first motor, and the gear selecting mechanical arm is fixedly connected with a rotating shaft of the first motor in a sleeving mode; the gear shifting assembly comprises a gear shifting mechanical arm and a second motor, the gear shifting mechanical arm comprises two connecting ends, one end of the gear shifting mechanical arm is fixedly connected with a rotating shaft of the second motor in a sleeved mode, and the other end of the gear shifting mechanical arm is fixedly connected with a gear shifting shaft in the transmission in a sleeved mode. The detection assembly comprises a first encoder, a second encoder, a first force sensor and a second force sensor, the first force sensor and the second force sensor are connected with the gear selecting mechanical arm and the gear shifting mechanical arm respectively, and the adjusting assembly comprises two adjusting seats which are connected with the gear selecting mechanical arm and the gear shifting mechanical arm respectively. The static gear selecting and shifting performance testing device is simple in structure, high in adaptability and low in cost, and comprehensive and objective static gear selecting and shifting performance results of the transmission can be obtained.

The application discloses a self-adaptive bolt fastening head, which comprises a fastening motor, a fastening rod arranged on an output shaft of the fastening motor, a fastening sleeve coaxially arranged on the fastening rod, a clamping arm hingedly arranged on the fastening sleeve, and a clamping arm sleeve arranged outside the fastening sleeve, wherein when the fastening sleeve moves axially towards the inside of the clamping arm sleeve, the clamping arm sleeve can press the outside of the clamping arm to make the first end of the clamping arm swing towards the inside, and when the fastening sleeve moves axially towards the outside of the clamping arm sleeve, the first end of the clamping arm swings towards the outside. The self-adaptive bolt fastening head has the advantages that the clamping arm can be adapted to the re-tightening operation of bolts of different specifications through the expansion and contraction of the clamping arm, the self-adaptive bolt fastening head has strong adaptability, and the self-adaptive bolt fastening head is suitable for a wide range of applications.

This utility model discloses a novel locking pop-out structure, relating to the technical field of locking buckle structures. The utility model includes a frame and a filter bottle disposed within the frame, and further includes: an unlocking pop-out part disposed on the frame for popping out the filter bottle; and a locking part installed on the frame and the filter bottle for fixing the filter bottle to the frame. The unlocking pop-out part automatically pops the filter bottle out of the frame after unlocking the locking part. The unlocking pop-out part includes an unlocking component disposed on the front side of the frame. This utility model, by incorporating an unlocking pop-out part, solves the problem of existing locking pop-out structures requiring the filter bottle to be rotated in the opposite direction during unlocking. The filter bottle rotates relative to the rotating mechanism at the bottom of the frame, and because of the sealing ring, rotation is laborious, wasting operator effort and affecting filter bottle replacement efficiency.

The utility model provides a kind of sintering round roller automatic material cleaning device, for cleaning sintering round roller, comprising: fixed mechanism;Connecting mechanism, one end of connecting mechanism is rotatably connected with fixed mechanism;Cleaning mechanism, the other end of connecting mechanism is connected with cleaning mechanism, and cleaning mechanism is located in the side of connecting mechanism close to sintering round roller;Counterweight mechanism, counterweight mechanism is connected with connecting mechanism;Wherein, counterweight mechanism can be under the action of gravity traction connecting mechanism to make cleaning mechanism and the surface of sintering round roller contact, the utility model structure principle is simple, installation is easy to make, realizes the quick removal sintering round roller corner's stick material, accumulated material, heap material, can adjust counterweight block according to the incoming material and stick material condition of sintering round roller. Reach best cleaning effect. To improve the quality and output of sinter, reduce the labor intensity of operator and maintenance personnel in harsh environment metallurgical equipment, eliminate the security risks brought by operation and maintenance.

This utility model discloses a barrel picking and placing device for a large barrel palletizing machine, belonging to the field of automated logistics and warehousing technology. The bracket and the slider are fixedly connected, and the slider is slidably connected to the guide rail. A cylinder is symmetrically installed on the bottom of the fixed plate two, and fixed ear rings are symmetrically installed on three sides of the fixed plate three. A swing rod is folded and installed inside the fixed ear rings. A hook rod is installed on the outer side of one end of the swing rod, and a cylinder is installed on the outer side of the fixed frame two. The swing rod and the hook rod are opened and closed by the swing rod. The output end of the swing rod and the cylinder two are folded and connected by a pin. The other end of the swing rod is connected to the hook rod by the pin two. The two sides of the bottom clamping hook tighten to straighten the large or small barrel. After straightening, the cylinder performs a telescopic action to drive the swing rod to close the hook rod. The closed hook clamps the barrel and can pick up the barrels in a row, realizing the function of picking up barrels. The barrels of different sizes and diameters can be picked up by adjusting the fixed frame on the profile.

This utility model discloses a portable double-protection single-lock pistol quick-draw holster structure, including a quick-draw holster with a buttlock latch hinged to it. A release button is hinged to the bottom of the quick-draw holster, and the release button has an actuating end and a controlling end. The buttlock latch has an extension arm with a recessed area. The actuating end of the release button is used to engage with the recessed area on the buttlock latch for positioning. A trigger guard latch is hinged to the quick-draw holster, and the quick-draw holster has a trigger guard latch spring. One end of the trigger guard latch has a limiting hook, and the other end contacts the trigger guard latch spring. The limiting hook has a hook surface for holding the trigger guard. The arm containing the actuating end of the release button has a release ramp for pressing down the trigger guard latch corresponding to the trigger guard latch spring. This utility model has high structural reliability and strong practicality.

The utility model discloses a machine tool spindle cooling liquid leakage detection device. The device comprises a liquid collecting tank arranged outside a machine tool spindle cooling pipeline, a flange sleeve used for collecting cooling liquid is arranged on the lower portion of the liquid collecting tank, a floater column capable of floating up and down is arranged in a center hole of the flange sleeve, and a contact piece is arranged on the upper portion of the floater column. And an inductive switch for detecting the movement of the liquid collecting tank is arranged beside the contact piece on the liquid collecting tank. The device has the advantages that the detection device is triggered through buoyancy of leaked cooling liquid, the detection purpose is achieved in the mode that the inductive switch detects movement of the contact piece, the structural principle is simple, induction is sensitive, and alarm is timely; the upper part of the liquid collecting tank is provided with the extending tank plate, so that dangerous points where leakage possibly occurs on the cooling pipeline are surrounded integrally, the collecting range of leaked cooling liquid is enlarged, and the detection range is larger.

The utility model relates to a device for reducing refractory precipitates of a ladle nozzle, which belongs to the technical field of metallurgy and comprises a foundation plate, a fixed base, a nozzle, a burner and a heat insulation cover, a through hole penetrating through the foundation plate is arranged in the middle of the foundation plate, the fixed base is arranged on the upper surface of the foundation plate, and the fixed base is sleeved outside the through hole. The lower end of the water gap is arranged on the fixed base, the upper end of the water gap is provided with a heat preservation cover, the middle of the heat preservation cover is provided with an air hole, and the burner penetrates through the through hole and extends into the water gap through the support and is connected with an air pipe for oxygen supply; the device is simple in structure and convenient to use, refractory precipitates are effectively removed, and the self-flowing rate is increased.

This invention discloses an adaptive lock structure for bags and its usage method. The lock structure includes a first locking part with a snap-on plate, a connecting rod, and a sliding buckle. The middle of the snap-on plate is connected to the sliding buckle via the connecting rod. A shaped spring is located on one side of the connecting rod, and a hook is located at the other end of the sliding buckle. A hook with a lock hole is located on one side of the snap-on plate, and the hook is positioned below the hook. The second locking part has a latch that engages with the lock hole, and a locking part that engages with the hook is located below the latch. The usage method involves the snap-on plate driving the sliding buckle towards the second locking part via the connecting rod when locking. The hook gradually engages with the locking part, causing the second locking part to gradually tighten towards the first locking part, eventually returning to its original position. This achieves adaptive adjustment of the misalignment or gap between the first and second frames. This invention is simple in principle but can adaptively adjust the misalignment or gap between the upper and lower frames. The lock structure has a high fault tolerance rate and can effectively improve the user experience of bags.