12results about How to "Cases to prevent drift" patented technology

The utility model discloses a kind of earphone circuit mainboard welding jigs, it is related to earphone circuit mainboard technical field, including rack, clamping plate is provided in the upper portion of rack, clamping plate is used to clamp and fix earphone circuit mainboard;Second trapezoidal block is slidably connected in the top of rack, second trapezoidal block is provided with elastic assembly outside, and elastic assembly is provided with abutment plate outside;Horizontal drive mechanism is set to the outside of rack, and horizontal drive mechanism is used to drive second trapezoidal block to move.The utility model utilizes two clamping plate elevating to realize the purpose of clamping and fixing earphone circuit mainboard, while clamping plate moves second trapezoidal block by horizontal drive mechanism in elevating process, second trapezoidal block moves abutment plate by elastic assembly, abutment plate extrudes and horizontally clamps and fixes earphone circuit mainboard side wall, and earphone circuit mainboard is centered and positioned while fixing mainboard, prevent earphone circuit mainboard from the condition of deviation, and abutment plate is applicable to different size mainboard by elastic assembly.

The utility model discloses a tire stacking and positioning auxiliary device which comprises a positioning base plate, a V-shaped intercepting plate, a mounting groove and a rotating roller are matched for use, so that the tire on a conveying roller is intercepted and guided, a supporting rod is arranged, the V-shaped intercepting plate is supported in an auxiliary mode, and the tire stacking and positioning auxiliary device is suitable for tire stacking and positioning. Through cooperative use of an electric push rod and a baffle, the effect of further auxiliary positioning of intercepted tires is achieved, the situation that when a mechanical arm grabs the tires, the tires deviate is prevented, through cooperative use of a threaded rod, a driving motor and a translation block, the electric push rod and the baffle can reciprocate in the horizontal direction, and therefore the tires can be grabbed more stably. According to the tire positioning device, the position of an electric push rod and the position of a baffle are adjusted, tires of various sizes can be positioned, the tires can be conveniently grabbed by a mechanical arm subsequently, and by arranging a guide rod, the effect of limiting a translation block is achieved, so that the translation block is more stable in the running process.

The utility model relates to the technical field of refrigeration equipment, in particular to a convenient-to-maintain unit mounting rack for refrigeration equipment, which comprises a base, a lifting seat, a clamping device, a moving device and an auxiliary fixing device, the bottom wall of the base is provided with the moving device, and the top end of the base is provided with a lifting cylinder; the lifting base is installed at the output end of the lifting air cylinder, the clamping device comprises two-way screws, sliding blocks and a clamping frame, a set of symmetrically-designed rectangular grooves are transversely formed in the top wall of the lifting base, the two-way screws are rotatably installed in the rectangular grooves, and the two-way screws drive the two sliding blocks to linearly move in the rectangular grooves; the two sets of sliding blocks drive the clamping frame to move from the two ends to the middle till the clamping frame makes contact with the outer wall of the refrigeration equipment, clamping and fixing of the refrigeration equipment are achieved, it can be guaranteed that the refrigeration equipment is stably fixed and supported in a limited space through the square-shaped clamping frame, and meanwhile enough operation space is reserved.

The utility model provides a steel bar feeding device, which relates to the field of steel bar feeding equipment and comprises a support, a conveying roller is arranged in an inner cavity of the support, one end of the conveying roller is movably connected with the inner wall of the support through a bearing, the conveying roller is used for conveying a steel bar, and a guide assembly is arranged at the top of the support. The two guide assemblies are located at the front end and the rear end of the top of the support correspondingly, each guide assembly comprises a supporting plate, a limiting plate, a threaded rod and a rotary knob, and the guide assemblies are used for guiding the steel bars; according to the steel bar conveying device, by arranging the conveying rollers and the transmission assembly, the effect of conveying steel bars can be achieved, so that feeding can be conducted on machining equipment, by arranging the guide assembly, the effect of limiting and guiding the conveying track of the steel bars can be achieved, the situation that the steel bars deviate in the conveying process can be prevented, and the machining efficiency is improved. And therefore, the feeding efficiency of the steel bars is effectively improved.

This invention discloses an automatic welding device for the circumferential seam of a hydraulic cylinder with a tilting mechanism, which relates to the field of welding technology. Through the combined action of a burr removal component and multiple contour-following support components, the outer contour of the cylinder section can be simulated and contoured before forming support. This allows the tops of the burr removal component and some of the contour-following support components to form a contour shape that matches the cylinder section, creating a ring-shaped enclosure of the lower part of the cylinder section and providing stable support. When the support components form support for the bottom of the cylinder section, they work with the multiple contour-following support components on both sides to form simulated support for the cylinder section. Furthermore, while supporting the cylinder section, a high-speed rotating grinding wheel can grind the welded circumferential seam, removing metal burrs and weld slag generated during welding, avoiding stress concentration at the tips, and ensuring the connection strength of the weld.

The utility model discloses a kind of aluminium alloy section bar processing equipment, comprising: cutting processing machine cabinet, angle adjusting slide is limit slidably arranged in cutting processing machine cabinet upper one end, clamping rotary frame is rotatably connected in angle adjusting slide upper one end, limit clamping plate is screw-connected and arranged in clamping rotary frame inside one end, and adjusting locking bolt is limit and is penetrated in angle adjusting slide and clamping rotary frame inside;In the utility model, by holding rotary handle, locking internal thread sleeve can be loosened, so that clamping rotary frame can be rotated to quickly adjust the angle of cutting, after adjustment is completed, locking internal thread sleeve is again reversely rotated and tightened, so that it is firmly attached to rotary frame base and is pressed down, so that the adjustment and locking of clamping rotary frame angle can be quickly and conveniently completed.

The utility model relates to an auxiliary device for cutting off an EPDM (Ethylene-Propylene-Diene Monomer) water-stop strip, which belongs to the technical field of water-stop strip processing and comprises a base, an auxiliary device for assisting the EPDM water-stop strip is arranged at the front end of the upper side of the base, and a winding device for winding the EPDM water-stop strip is arranged on the upper side of the base; the auxiliary device comprises an EPDM (Ethylene-Propylene-Diene Monomer) water stop strip limiting plate frame which is fixedly connected to the front end of the upper side of the base, and two movable frames which are slidably connected to the upper side of the base and are close to the front end of the EPDM water stop strip limiting plate frame; the telescopic electric rod is fixedly mounted on the upper side of the movable frame; and the pressing plate is fixedly connected to the output end of the telescopic electric rod. According to the auxiliary device for cutting off the ethylene-propylene-diene monomer water stop strip, when the ethylene-propylene-diene monomer water stop strip is wound on the surface of the winding roller, the limiting plates slide on the left side and the right side of the winding roller and abut against the left side and the right side of the ethylene-propylene-diene monomer water stop strip, and the situation of limiting and deviation preventing can be well achieved.

The utility model discloses a kind of silicone glue subpackaging metering devices, including base, the side of base top end is equipped with shell, and the bottom end of shell is equipped with shell, the side of shell top end is equipped with conduit, and the top end of conduit is equipped with valve, the side of base top end is equipped with support, and the middle position of fixed plate is penetrated by threaded rod.The utility model is equipped with fixed plate by being installed in the top of placing plate, fixed plate and limit plate are connected by threaded rod and guide rod, threaded rod and fixed plate constitute screw thread connection, can seize threaded rod and drive threaded rod to rotate, threaded rod rotation will drive limit plate to move, limit plate moves will be container clamped in middle, limit fixing to container, prevent the situation that container appears to deviate, guide rod penetrates fixed plate, guide rod can prevent the situation that limit plate appears to deviate, to reach the purpose that silicone glue subpackaging metering device is convenient to limit container.

The utility model discloses a reinforcement positioning structure of a reinforced concrete prefabricated part, which belongs to the technical field of reinforced concrete prefabricated parts and comprises a protective frame, a bearing plate is fixedly connected to the bottom of an inner cavity of the protective frame, and a first bolt is in threaded connection with the inner wall of the top of the inner cavity of the protective frame. A first bolt is fixedly connected to the bottom of the protective frame, a bearing is rotationally connected to the bottom of the first bolt, an upper pressing plate is fixedly connected to the bottom of the bearing, cleaning boxes are fixedly connected to the two sides of the protective frame correspondingly, a set of scrubbing brush plates are arranged in an inner cavity of each cleaning box, and the number of the scrubbing brush plates is two. The first bolt is rotated, so that the first bolt rotates in the inner wall of the top of the inner cavity of the protection frame and the inner ring of the bearing and drives the upper pressing plate to move downwards until the bottom of the upper pressing plate is tightly attached to the surface of the steel bar, the aim of clamping and fixing is achieved, and the steel bar is prevented from deviating in the concrete pouring process.

The utility model relates to the technical field of food quality detection slitting, in particular to an adjustable slitting device which comprises a fixing frame, a supporting seat I and a supporting seat II, a motor I is fixed at the upper end of the right side of the fixing frame, a rotating shaft I is fixed at the output end of the motor I, and the other end of the rotating shaft I is arranged in a fixing ring at the upper end of the left side of the fixing frame. Blades are fixed on the outer wall of the rotating shaft I; a motor II is fixed at the upper end of the supporting seat I, a mounting groove is fixed at the upper end of the supporting seat II, a rotating shaft II is fixed at the output end of the motor II, the other end of the rotating shaft II is arranged in the mounting groove, and a pulley is arranged on the outer wall of the rotating shaft II; and a clamping device is arranged at the rear end of the fixing frame. When the food dicing device is used, a worker can adjust the distance between the blades according to requirements, so that the width of food dicing is adjusted, and the food dicing device is easy and flexible to use and high in practicability.

This application provides a tooling fixture for welding the duct of an axial flow fan, including a base with a fixing ring in the middle. The base and the fixing ring are connected by a slide rail, a slider is mounted on the slide rail, and an integrally formed abutment plate is provided on the top end face of the slider. A pressure block is provided on the slider for cooperating with it, and a tooling fixture for clamping the duct body is provided on the top end face of the pressure block. This utility model, by adding multiple tooling fixtures that cooperate with the abutment plate and pressure block, achieves clamping of the duct body from multiple positions, effectively preventing displacement during welding, significantly improving welding quality, and resulting in higher weld consistency.

The utility model relates to the technical field of bean cake smashing devices, and discloses a movable bean cake smashing device for Tan sheep breeding, which comprises a bean cake smashing machine main body, and an adjustable moving mechanism is fixedly mounted at the bottom of the bean cake smashing machine main body. The adjustable moving mechanism is used for conveniently switching the bean cake crusher main body between a moving mode and a supporting mode; the adjustable moving mechanism comprises a supporting box fixedly installed at the bottom of the bean cake pulverizer body, a driving mechanism is installed on the inner side of the supporting box, two moving adjusting assemblies which are in bilateral symmetry are installed on the outer side of the driving mechanism, and the moving adjusting assemblies are driven by the driving mechanism to move left and right. According to the movable bean cake smashing device for Tan sheep breeding, the function that the bean cake smashing machine body can be conveniently switched between the moving mode and the supporting mode can be provided, the bean cake smashing machine body can be switched into the supporting mode to be stably placed after reaching the designated working position, and therefore the using effect of an existing bean cake smashing machine is effectively improved.