11results about How to "Achieve tightness" patented technology

The invention relates to the technical field of mechanical clamping devices, in particular to a clamping and feeding robot for mechanical sealing element production, which comprises a movable base, a cable storage assembly is arranged on the inner wall of a port of the movable base, and a feeding manipulator is arranged on the base surface of the movable base; according to the invention, by arranging the cable storage assembly, cable parts can be stored and tightened; the feeding mechanical arm can automatically stop when colliding through the contact sensing assembly. When an electric control clamping jaw moves, a linkage positioning block drives a limiting sliding rod to longitudinally move on the inner wall of a fixed sleeve, a positioning spring is extruded through a guide block, meanwhile, the positioning block drives a first guide plate to rotate through a rotating shaft, and then an arc-shaped elastic plate is extruded to drive a linkage second guide plate to rotate around the rotating shaft; and the electric control clamping jaw synchronously drives the flexible cushion block to abut against the outer wall of the material, so that the flexible clamping assembly synchronously and stably clamps the inner wall and the outer wall of the material.

The embodiment of the utility model provides a fabric fixing device, and belongs to the field of textile processing. The fabric fixing device comprises a supporting frame and two first clamping mechanisms. The two first clamping mechanisms are arranged in a spaced mode in the first direction, and the two opposite ends of each first clamping mechanism are rotationally connected to the supporting frame. Wherein the first clamping mechanism comprises a first clamping piece and a second clamping piece, the first clamping piece and the second clamping piece are used for clamping fabric, and the second clamping piece can be relatively close to or away from the first clamping piece. When the fabric is located between the first clamping piece and the second clamping piece, the first clamping piece and the second clamping piece can rotate so that the first clamping piece and the second clamping piece can drive the fabric to be wound, and the second clamping piece can move towards the first clamping piece and clamp the fabric with the first clamping piece under driving of the fabric. According to the technical scheme of the embodiment of the invention, the fabric is fixed and tightened, and the operation safety during fabric fixing is improved.

This application discloses a spraying device and process for a wear-resistant coating on a titanium ball valve, relating to the field of ball surface spraying. It includes a body, a first rotating arm, a second rotating arm, an inner support assembly, support wheels, a centering assembly, and a plasma spray gun. The first rotating arm is rotatably mounted on the body, and the second rotating arm is slidably mounted on the body. When the second rotating arm slides towards the first rotating arm, it engages with the first rotating arm to form a coaxial rotational fit. The inner support assembly is provided on both the first and second rotating arms, and the support wheel is provided on both the first and second rotating arms. The support wheel is slidably mounted on the two rotating arms, supporting the inner wall of the ball and forming a sliding fit with the ball. The centering assembly includes two synchronously sliding centering plates, and a pre-support portion is provided on the centering plates. This application can prevent the spray gun from producing dry spray, reducing waste.

This invention provides a biomimetic octopus-inspired underwater pipeline welding robot, belonging to the field of robotics technology. The main structure adopts a semi-elliptical spherical pressure-resistant shell, with an internal reinforced support frame and a pneumatic bistable device. The pneumatic bistable device drives a water jet propulsion unit, enabling the robot's multi-degree-of-freedom movement. The robotic arm system includes multi-joint robotic arms evenly arranged around the main structure. Each multi-joint robotic arm includes multiple joints, a flexible telescopic rod, and a biomimetic vacuum suction cup. The joints are connected non-linearly. The end of the multi-joint robotic arm is equipped with a biomimetic vacuum suction cup. An SMA actuator is installed within the flexible telescopic rod. The contraction of the SMA actuator generates an eccentric driving force, enabling vertical position control and spatial bending motion of the biomimetic vacuum suction cup. The end of the multi-joint robotic arm can be modularly replaced with a welding module for performing underwater pipeline welding operations.

The utility model provides an adjustable hammock and tent, the hammock comprises a hammock body, the end part of the hammock body is provided with at least one fixing ring; the end of the connecting rope is connected to the end of the hammock body, the middle of the connecting rope is connected with the fixing ring, two adjusting areas are defined by the connecting rope and the end of the hammock body, and at least two hanging rings are arranged on the connecting rope; the hammock comprises a hammock body and a fixing structure, the fixing structure is used for connecting the connecting rope with an external object so as to fix the hammock, the tent comprises the hammock, the tent can shield sun and rain for a user, and the hammock can enhance the strength and flatness of the hammock body and improve the comfort of the user on the hammock.

The utility model relates to a fixing device for a battery cell group in a battery, and belongs to the technical field of batteries. The battery fixing device comprises a bottom plate, a first baffle and a second baffle, the bottom plate is used for supporting the whole battery, and the first baffle and the second baffle are both of an inverted L-shaped structure and are fixed to the bottom plate to form an enclosure frame structure to fix a battery cell set; meanwhile, the connecting piece is additionally arranged at the contact position of the first baffle and the second baffle, the two baffles are relatively fixed to form the enclosure frame by matching the connecting bolt with the connecting piece, and the structural stability is enhanced. In addition, the first baffle and the second baffle are each provided with at least one bottom plate fixing hole used for fixing the baffles, so that the baffles are fixed relative to the bottom plate. According to the utility model, the production cost is reduced, the cell mounting and dismounting process is convenient, no complex tool is needed, the structure is stable, the cell is not easy to loosen after long-term use, and the performance and safety of the battery are effectively guaranteed.

This utility model relates to the field of mounting bracket technology, specifically to a television mounting structure. The specific technical solution is as follows: A television mounting structure includes a wall mount and a hanging strip mounted on the wall mount. The wall mount has parallel hanging plates facing the same direction along its length. The hanging plates are L-shaped. The hanging strip has multiple hook plates along its length, each hook plate being 7-shaped. Two hanging plates simultaneously adapt to hook plates of different heights. This utility model solves the problem of cumbersome television height adjustment in existing technologies.

The utility model relates to the technical field of fire hydrant, and disclose a fire hydrant system water testing device for fire detection, including fire hydrant body still include: the rotating disc that rotates in fire hydrant body top, and the side flange of fire hydrant body is connected with the connecting port. Through the setting of connecting assembly, the connecting pipe is aligned with the connecting port, and then the connecting pipe is inserted in the inner cavity of the connecting port, and the second wedge is inserted in the inner cavity of the positioning shell and engaged with the first wedge while being inserted, and the spring is opened while being engaged with the first wedge, and the first wedge is moved while the first wedge is opened, and the sliding sleeve is moved on the surface of the sliding rod while the first wedge is moved, at this moment, the first wedge and the second wedge are firmly engaged, and then the damping pad is attached to the inner cavity of the connecting pipe, preventing water leakage, and then the clamping plate is rotated through the rotating shaft after connection.

The utility model relates to a pipe fitting inner wall deburring device which comprises a base, a fixing frame, a reciprocating mechanism, a rotating mechanism and a three-jaw clamp, the rotating mechanism is arranged at the bottom of the base to drive the three-jaw clamp to clamp a pipe fitting to rotate, and a polishing mechanism capable of vertically reciprocating is installed on the fixing frame. The polishing mechanism adopts a double-transmission system design, a single motor synchronously drives two groups of polishing heads to rotate at a high speed through belts which are staggered up and down, and dynamic polishing of the inner wall of the pipe fitting is realized by combining reciprocating motion driven by an air cylinder. The innovation lies in that stepless adjustment of the distance between the two rotating shafts is achieved through the kidney-shaped groove and the adjustable connecting plate, and the requirements of different pipe diameters are met; a splayed long groove sliding type tensioning wheel mechanism is adopted, so that the belt transmission stability is ensured; the rotary clamping function and the axial feeding function are integrated, a composite motion track is formed, the deburring efficiency and quality are remarkably improved, and the device has the beneficial effects of being compact in structure, convenient and fast to adjust and wide in applicability.

The processing equipment comprises a machine frame, a hot pressing station, a hot pressing mechanism, a braid pressing mechanism, a braid tightening mechanism, a temperature control mechanism and a control panel are arranged on the machine frame, the hot pressing station is used for providing a hot pressing platform for a brassiere to be processed and a braid to be processed, and the braid tightening mechanism is used for tightening the braid; the hot pressing mechanism is used for pressing the brassiere and the braid on the hot pressing station, the braid pressing mechanism is used for pressing the braid, the braid tightening mechanism is connected with the braid pressing mechanism and used for stretching and tightening the braid on the braid pressing mechanism, and the temperature control mechanism is connected with the hot pressing mechanism and used for controlling the temperature of the hot pressing mechanism. According to the scheme, automatic pressing and tightening of the braid are achieved, the braid does not need to be manually pulled any more, manpower input is reduced, and production efficiency is improved. The hot-pressing mechanism achieves accurate control over pressure and time in the pressing process, the consistency of the hot-pressing wrinkle degree is guaranteed, the labor intensity of operators is lowered, the technical requirements are lowered, and the hot-pressing mechanism is suitable for large-scale industrial production.