14results about How to "Guaranteed linear motion" patented technology

The utility model discloses an electrochemical hardness removal device for a circulating water system, which belongs to the technical field of hardness removal of circulating water and comprises a water storage tank, a pre-cleaning mechanism is fixedly connected to the right side of the water storage tank, and a guide mechanism is fixedly connected to the left side of the inner wall of the water storage tank. An electrode tube body is slidably connected to the inner side of the pre-cleaning mechanism, and when the electrode tube body enters or is taken out of the pre-cleaning mechanism through an insertion hole, a cleaning ring can preliminarily clean the surface of the electrode tube body, and part of attached dirt, impurities and residual chemical substances are removed; pollutants are prevented from directly entering the water storage tank to pollute water quality or accumulating in the water storage tank, the cleanliness of a circulating water system can be kept, the guiding mechanism guarantees linear motion of the electrode tube body in the mounting and dismounting process, deviation or inclination of the electrode tube body is avoided, it is guaranteed that the electrode tube body is accurately mounted in place, and the service life of the electrode tube body is prolonged. And the operation accuracy and stability are improved.

The utility model relates to the technical field of cold heading equipment, in particular to cold heading equipment for self-tapping screw machining, which comprises a machining table, a lower die and an upper die, a hydraulic cylinder is arranged on the machining table, a hydraulic rod is connected with a movable plate, and a cold heading head is arranged on the movable plate; a motor for driving the upper die to move downwards is arranged on the supporting frame, a bearing base is arranged at the end, away from the hydraulic cylinder, of the machining table, an abutting rod body is slidably connected to the bearing base, and a limiting mechanism is arranged between the bearing base and the abutting rod body; the limiting mechanism comprises a first limiting insertion hole formed in the bearing base and a plurality of second limiting insertion holes formed in the abutting rod body at equal intervals. When the first limiting insertion hole and the second limiting insertion hole coincide, the limiting insertion rod is inserted to limit the position of the abutting rod body. By means of the adjustable abutting rod body, the applicable product range is widened.

This invention discloses a concrete strength testing device and its usage method, comprising: a rebound hammer body and a rebound hammer rod; the rebound hammer rod is disposed on the rebound hammer body; further comprising: a rebound hammer replacement component disposed on the rebound hammer rod, a movable component disposed on the rebound hammer rod, a reset component disposed on the movable component, a support component disposed on the movable component, a fixing component disposed on the support component, an installation component disposed on the rebound hammer body, and an ultrasonic transducer component disposed on the installation component. This invention relates to the field of concrete strength testing, ensuring that the measuring point positions and contact coupling conditions of rebound and ultrasonic testing are highly consistent, minimizing data errors caused by measuring point position deviations and surface condition differences. The structure is relatively simple and easy to use.

The application relates to the technical field of wire and terminal assembly processing equipment, and provides a multi-station terminal feeding and pressing equipment and method, which comprises a granular positioning disc, a chain type positioning disc, a pushing assembly, a punching assembly, a clamping assembly, a feeding assembly, a terminal carrying clamp, a terminal pressing machine and a wire harness carrying clamp, the granular positioning disc is used for positioning granular terminals, the chain type positioning disc is used for positioning chain type terminals, the pushing assembly is used for linearly pushing the chain type terminals, the punching assembly is used for cutting the chain type terminals, the clamping assembly is used for clamping the terminals on the granular positioning disc, the feeding assembly is used for transferring the terminals clamped by the clamping assembly to the terminal carrying clamp, the terminal carrying clamp is used for positioning the granular terminals and the chain type terminals, and the wire harness carrying clamp is used for positioning wire harnesses. The application has the effect of facilitating the pressing of terminals and wires of different specifications.

This utility model discloses a portable grease cleaning device for narrow pipes, belonging to the technical field of pipe cleaning equipment. It solves the problems of low cleaning efficiency and inability to perform reciprocating operations with a single brush / scraper. The utility model includes a cleaning rod, a crank-connecting rod propulsion device, a detachable arc-shaped scraper head, and a one-way pneumatic connector. The cleaning rod reciprocates through the propulsion pin of the crank-connecting rod mechanism, driving the scraper head to scrape away grease from the pipe. The scraper head is detachable and replaceable to adapt to different pipe sizes. The one-way pneumatic connector and positioning pin ensure a stable connection of the device. This utility model has a compact structure, is easy to operate, and provides stable propulsion, effectively solving the problem of cleaning grease in narrow pipes, improving cleaning efficiency and applicability, and is suitable for cleaning narrow pipes in kitchens, industries, and other similar scenarios.

The utility model relates to the finished brick field discloses a regenerated finished brick cleaning device, including drum conveyer, gantry, support rod, lifting oil cylinder, horizontal bar, second drive motor, screw thread screw rod, guide slide rail, slide table, water spray frame and guide support etc. constitute. The drum conveyer is driven by the first drive motor, and the lifting oil cylinder can drive the water spray frame to realize vertical direction position adjustment, and the second drive motor drives the slide table to drive the water spray frame to reciprocate along the direction of the drum conveyer, and the brick on the opposite material plate is repeatedly washed. The utility model through the cooperation of each component has the effect that the cleaning efficiency is high, and the maintenance is easy.

The utility model discloses a button type locking connector comprising a socket assembly and a plug assembly, and the socket assembly is convexly provided with a first connecting part; the plug assembly comprises a shell, an installation cavity is formed in the shell, a fixing plate and a second connecting part are adjacently arranged in the installation cavity, the second connecting part and the wall face of the installation cavity are connected with an elastic piece, the elastic piece can push the second connecting part so that an insertion gap can be formed between the second connecting part and the fixing plate, and the first connecting part can be inserted into the insertion gap. The face, away from the fixing plate, of the second connecting part is connected with a control piece, the control piece partially extends out of the shell, and the control piece can be shifted to press / loosen the second connecting part to lock / loosen the first connecting part. The technical scheme of the utility model aims to improve the reliability of the connector and the user experience.

The utility model provides a mould lock core tool which is used for locking a plurality of sand cores and comprises a base, a supporting plate is arranged on the base, a positioning block used for positioning the sand cores is arranged on the supporting plate, and side pressing assemblies used for pressing the sand cores are symmetrically arranged on the left side and the right side of the supporting plate. A sand shooting plate and an air blowing plate are sequentially arranged above the supporting plate from bottom to top, the side pressing assembly comprises a mounting plate arranged on the supporting plate, an air cylinder is obliquely arranged on the mounting plate, a connecting plate is arranged at the end of a piston rod of the air cylinder, and a plurality of pressing blocks corresponding to sand cores are arranged at the connecting plate. The utility model has the advantages that the resin sand is injected into the sand core cavity and is blown and cured, so that a plurality of sand cores are locked, and the sand core assembly efficiency and the casting yield are improved.

The utility model discloses a kind of fiber drawing experimental device based on press, including push assembly, fixed component and test piece;The fixed component is composed of support cylinder, fixed cylinder and support disc;The support cylinder is equipped with groove and fixed cylinder and is assembled;The fixed cylinder below is equipped with connecting protrusion and support cylinder and is assembled, inner wall is equipped with support groove and lifts support disc;The support disc is equipped with guide rail groove, test piece groove and fiber hole 1;The push assembly is composed of pressure disc, guide rail column, fixed disc, fixed ball and nut;The lower end of guide rail column is equipped with bolt;The fixed disc is equipped with bolt hole and fiber hole 2;The fixed ball is equipped with fiber hole 3;The test piece is composed of fiber and matrix;The fiber passes through fiber hole 1, fiber hole 2 and fiber hole 3, knot is fixed;The utility model discloses a kind of device capable of measuring the bonding relationship between fiber and matrix by press, solve the pain point that cannot be tested due to tensile test equipment shortage, have certain application prospect.

This invention relates to the field of vehicle-mounted refrigeration equipment technology, specifically to a drawer slide structure, a vehicle-mounted refrigerator, and its assembly method. The drawer slide structure includes a slide rail and a drawer. The slide rail includes a sliding part and a fixed part, with the sliding part slidably connected to the fixed part. A drawer mounting plate is connected to the bottom of the drawer, and the mounting plate is fixedly connected to the sliding part of the slide rail. The fixed part is fixedly connected to a base, which is fixedly connected to the inner liner of the vehicle-mounted refrigerator. A drawer locking groove is connected to the bottom of the drawer. A locking connector is connected to the drawer mounting plate, and the connector engages with the locking groove. This invention creatively solves the problems of existing drawer slide structures, such as inconvenience in disassembly, limited load-bearing capacity, and poor operational stability, demonstrating significant progress and practical value.

This utility model discloses a telescopic device comprising a telescopic arm and a drive mechanism. The telescopic arm includes several sequentially nested mechanical arms, with adjacent mechanical arms slidably connected. The outermost mechanical arm has a positioning part on its end face, and the innermost mechanical arm has a stop adapted to the positioning part. The output end of the drive mechanism is fixedly connected to the innermost mechanical arm, driving it to move away from the outermost mechanical arm. Under the action of the positioning part and the stop, it sequentially drives adjacent mechanical arms to slide in the same direction, thereby extending the telescopic arm. The drive mechanism also drives the innermost mechanical arm to move towards the outermost mechanical arm, and under the action of the positioning part and the stop, it sequentially drives adjacent mechanical arms to slide in the same direction, thereby retracting the telescopic arm. This utility model has the advantages of compact structure, long service life, adaptability to complex forces under heavy-load conditions, high structural strength, low power transmission loss, and smooth telescopic operation.

The utility model relates to the technical field of carton processing, in particular to a high-efficiency carton gluing machine which comprises a workbench, a supporting plate is fixedly connected to the left portion of the upper end of the workbench, a pushing device is fixedly connected to the upper end of the supporting plate, and a side plate is fixedly connected to the upper portion of the right end of the supporting plate. A glue dipping device is fixedly connected to the middle of the upper end of the side plate, a concave bearing plate is placed in the middle of the upper end of the workbench, a control panel is arranged at the front end of the supporting plate, and a baffle is jointly and fixedly connected between the lower portion of the front plate wall and the lower portion of the rear plate wall of the supporting plate. A sliding groove is formed between the middle of the front plate wall and the rear plate wall of each supporting plate, and a connecting plate is jointly and fixedly connected between the middle of the front plate wall and the rear plate wall of each supporting plate. According to the high-efficiency carton gluing machine, the pushing device and the gluing device are arranged, so that glue supply and dipping can be controlled, the carton positioning and operation process is stabilized, the carton gluing efficiency and quality are improved, and the defective rate is reduced.

The linear actuator comprises a driving structure, the outer wall of the driving structure is fixedly connected with a guiding structure, the outer wall of the side, away from the driving structure, of the guiding structure is fixedly connected with a tensioning structure, and the inner wall of the guiding structure is slidably connected with a sliding structure and a synchronous belt; the two ends of the synchronous belt are fixedly connected with the sliding structures, and the inner wall of the synchronous belt is meshed with the outer walls of the driving structure and the tensioning structure; the utility model relates to the technical field of linear actuators, according to the guide structure and the sliding structure, through the matching design of the V-shaped guide rail and the idler wheel, the V-shaped inclined plane limits transverse deviation through bidirectional constraint, the motion resistance can be effectively reduced, meanwhile, the linear motion of the sliding seat can be ensured, and the magnetic strip at the top of the sliding rail tightly adsorbs a steel belt through magnetic force; a totally-closed protection structure is formed, impurities such as dust, water vapor and oil dirt can be effectively prevented from entering the sliding rail, and abrasion or clamping stagnation of core components such as the V-shaped guide rail and the synchronous belt caused by pollution is avoided.