42results about How to "Reduced risk of stuck" patented technology

The invention discloses a mold angle ejector rod structure capable of adding cooling water, and belongs to the field of automobile injection molds. The mold angle ejector rod structure comprises an angle ejector block, an inclined ejector rod, an angle ejector sliding seat and an angle ejector change-over block, wherein the angle ejector block is connected with the head part of the hollow; the tail part of the inclined ejector rod is connected with the angle ejector sliding seat; the angle ejector sliding seat is capable of adjusting the relative height between the angle ejector sliding seat and the angle ejector rod through an O-shaped cushion block and is in clamping connection with the angle ejector rod through a U-shaped clamping block; the angle ejector rod is sequentially provided with a first self-lubricating copper guide sleeve, a hollow aluminum pipe and a second self-lubricating copper guide sleeve; an annular pipe is arranged in a cavity in the angle ejector rod along a longitudinal direction; the tail part of the angle ejector rod is connected with the angle ejector change-over block; the angle ejector change-over block is provided with a water pipe joint; the tail partof the annular pipe is communicated with the water pipe joint through the angle ejector change-over block; the head part of the annular pipe stretches out of the angle ejector rod. According to the mold angle ejector rod structure disclosed by the invention, addition of the cooling water to a single-rod angle ejector rod structure of a precision mold is realized, and meanwhile, an occlusion action process of an angle ejector rod can be avoided.

The invention discloses a unilateral positioning cam driving mechanism for a continuous zoom lens. The unilateral positioning cam driving mechanism comprises a main support, a sliding rod, an optical sliding assembly, a unilateral positioning curve sleeve, a semi-flexible pin assembly and a locking pressing ring; the optical sliding assembly is connected with the main support through the sliding rod; the sliding rod is fixed to the main support; the optical sliding assembly performs rotation-free linear movement relative to the main support along the sliding rod; the unilateral positioning curve sleeve is coaxially connected with the main support through the locking pressing ring; the unilateral positioning curve sleeve can rotate along a central axis relative to the main support; and the semi-flexible pin assembly penetrates through the curve groove of the unilateral positioning curve sleeve along a radial direction and is fixed to the optical sliding assembly. According to the unilateral positioning cam driving mechanism for the continuous zoom lens of the invention, the unilateral positioning curve sleeve rotates around the central axis, so as to drive the optical sliding assembly to perform linear movement along the sliding rod, and therefore, the axial movement of an optical element in the continuous zoom lens is realized; the semi-flexible pin assembly and the unilateral positioning curve sleeve are adopted, and therefore, the machining and assembling difficulty of a system are reduced, and the precision of the system and the temperature applicability of the system in use are improved.

The invention provides a form page rendering method. The method comprises the following steps: obtaining data of a to-be-rendered form page from a server; establishing a data model according to the acquired data of the to-be-rendered form page; determining the number of cells of the to-be-rendered form page; when the number of cells of the to-be-rendered form page is smaller than or equal to a threshold value, rendering all the data to form a first form page; when the number of cells of the to-be-rendered form page is greater than the threshold value, rendering part of the data to form a second form page; setting a transverse and/or longitudinal virtual scroll bar length of the second form page according to the number of cells in the data model and the number of visible cells in the user visible region; when it is monitored that a transverse or longitudinal virtual scroll bar of the second form page rolls, determining data in the data model which should be displayed in a user visible area of the second form page; and updating the data to the corresponding cells of the second form page.

The invention discloses a triple grinding mechanism of a of garbage disposer. The triple grinding mechanism comprises an upper grinding cavity, a grinding and cutting unit and a lower grinding cavity, wherein the upper grinding cavity is arranged at the upper end of the lower grinding cavity and fixedly connected to the lower grinding cavity through a connecting bolt, and the upper end of the grinding and cutting unit is connected to the inner end of the upper grinding cavity in a sleeved mode; the bottom end of the grinding cutting unit is clamped to the inner end of the lower grinding cavity; the grinding cutting unit comprises a triple grinding cutter head assembly, a triple grinding gear ring assembly, a crushing cutter assembly and a cutting knife, wherein the triple grinding cutter head assembly is arranged at the inner end of the triple grinding gear ring assembly, and blades of the crushing cutter assembly are inserted into the upper end of the triple grinding cutter head assembly through inserting grooves in the bottom end of the triple grinding cutter head assembly. The fixing performance of the crushing cutter assembly and the cutter head assembly can be effectively improved, so that a phenomenon that the crushing cutter assembly is very prone to loosening after long-time use is avoided, the crushing cutter assembly does not shake for a long time in the use process, and the crushing cutter can be ensured to be not damaged after being ground by many times.

The invention provides a supporting arm. The supporting arm is used for connecting a control host and a medical instrument, and comprises a body, an arm body, a spherical hinge, an adjusting assembly and a locking piece, wherein the body is used for being connected with the control host. The arm body is connected with the body. The spherical hinge comprises a ball seat arranged at the far end, away from the body, of the arm body and a ball head rotationally arranged on the ball seat, and the ball head is used for being connected with the medical instrument. The adjusting assembly is arranged in the body and has a locking state and a loosening state. The locking piece is movably arranged in the arm body and is matched with the spherical hinge. The locking piece is configured to press or release the ball head in response to the change of the adjusting assembly between the loose state and the locking state. A non-metal stopping block is arranged on the inner wall, matched with the ball head, of the ball seat, and the non-metal stopping block abuts against the ball head when the locking piece responds to the change of the adjusting assembly from the loose state to the locking state. The adjusting assembly comprises a triggering piece which is movably arranged in the body and abuts against the locking piece and an executing piece which is arranged on the body and used for driving the triggering piece to move, and the triggering piece and the locking piece are in surface-surface contact.

The invention discloses atomic layer deposition equipment and a gas transmission method. The equipment comprises a bypass pipeline and a cooling pipeline, wherein the cooling pipeline is used for condensing and storing at least one precursor, the bypass pipeline and the cooling pipeline are connected in parallel and then are connected between precursor input ends and precursor output ends, and theprecursor input ends selectively communicates with the bypass pipeline or the cooling pipeline. According to the atomic layer deposition equipment, the cooling pipeline is arranged to condense the precursor flowing through the pipeline, and the precursor is stored in the pipeline, so that a plurality of precursors are prevented from entering a vacuum pump at the same time, powder caused by reaction of multiple precursors in the vacuum pump is reduced, the risk that the vacuum pump is stuck due to powder accumulation is reduced, and the operation reliability and the service life of the vacuumpump are improved.

The invention discloses a circumferential rotation limiting mechanism. The limiting mechanism comprises a fixed disc, a rotating disc rotationally connected to the fixed disc, a rotating assembly enabling the rotating disc to be rotationally connected with the fixed disc, and a driving assembly used for driving the rotating disc to rotate, and a spiral limiting groove is formed in the fixed disc or the rotating disc. The limiting mechanism further comprises an idler wheel connected into the limiting groove in a rolling manner in the spiral extending direction of the limiting groove, a swing base located above the limiting groove and coaxially and fixedly connected with the idler wheel, and a rotating pin with two ends rotationally connected with the swing base and the rotating disc respectively. Physical limiting is achieved, transmission is smoother, the jamming risk is greatly reduced, the overall size of the mechanism can be reduced, and nondestructive testing in a small space is facilitated.

A drilling-machine-free self-balancing rotation vibration coupling rock crushing drilling system comprises an inner drill bit driving system, an outer drill bit driving system, a bit pressure distribution system and the like, an inner drill bit and an outer drill bit are driven by two motors to achieve self-balancing single rotation and self-balancing double rotation of the inner drill bit and the outer drill bit respectively, and the problem of control over self-balancing torque is solved; the drilling efficiency of the drilling system is improved by assisting double drill bits in rotary rock crushing through ultrasonic vibration, the risk that a back reaming grinding head is stuck is reduced by amplifying the output torque of a motor by multiple times through a reduction gear mechanism, and the problem that the transmission efficiency of strong current and weak current is low is solved by canceling a conductive slip ring. The back reaming drill bit has the following advantages that the vibration and rotation drilling efficiency is high, the inner drill bit and the outer drill bit rotate at the same time, self-balancing control is easy, the back reaming grinding head is not prone to being stuck due to large rotation torsion, the transmission efficiency of strong and weak electricity in a drilling system is high and stable, and the drilling reliability and efficiency are improved.

The invention provides an environment-friendly shoveling device for removing toxic grassland grass, and relates to the technical field of agricultural machinery. The environment-friendly shoveling device for removing the toxic grassland grass comprises a vehicle body and further comprises a grass removing mechanism connected with the vehicle body, the grass removing mechanism comprises a mounting frame, a twisting-off assembly connected with the mounting frame and a plowing assembly connected with the mounting frame, the twisting-off assembly comprises a rotating motor, an auger and a supporting piece, and a plurality of cutting blades connected with a cutter head of the auger are assembled on the cutter head at the edge of the auger. According to the environment-friendly shoveling device, efficient toxic grass removing operation can be achieved through the twisting-off assembly and the plowing assembly at the same time, stems and leaves of toxic are cut off through the twisting-off assembly, and rhizomes of the toxic grass in soil are broken through the plowing assembly to avoid regeneration of the rhizomes. By means of the design, the device has the efficient toxic grass cleaning efficiency and can ensure that the soil environment is not damaged, so that forage grass can be normally planted, and the survival rate of the forage grass is not reduced.

The invention relates to a novel ultra-temperature net cage type gate segment and a machining technology of the novel ultra-temperature net cage type gate segment. The gate segment is characterized in that a gate segment body comprises a main beam, longitudinal bars, transverse bars, studs, a lining plate and a protecting plate. The upper portion of the gate segment body is of a rectangular net cage type structure, and the lower portion of the gate segment body is of a semicircular structure. The multiple longitudinal bars arrayed in the perpendicular direction are symmetrically welded to the main beam on the upper portion of the gate segment body. The multiple transverse bars are symmetrically welded to all the longitudinal bars and arrayed in the horizontal direction. The studs are arranged at the intersecting positions of the longitudinal bars and the transverse bars and used for supporting the reinforcement studs. The semicircular lining plate is arranged on the lower portion of the gate segment body, multiple palladium nails are arranged on the lining plate and used for improving adhesive force between castable and the lining plate, the protecting plate is arranged at the bottom of the lining plate, and multiple wooden plates are distributed inside the gate segment body and are of a T-type structure. The overall thermal deformation quantity of the gate segment can be reduced at ultra-temperature, it can be guaranteed that under the working conditions of high temperature and high abrasion, an ultra-temperature gate valve reliably operates, and the service life of the gate segment is prolonged.

The invention discloses an arc-shaped sliding door. The arc-shaped sliding door comprises an arc-shaped door arranged on a cabinet; a left sliding part and a right sliding part, which are the same in structure and are symmetrically arranged on the two sides of the arc-shaped door, wherein the structure of the left sliding part/the right sliding part comprises an arc-shaped sliding rail, and the arc-shaped sliding rail is arranged on the side edge of the arc-shaped door; a supporting unit, which is used for connecting the cabinet and the arc-shaped door and enabling the arc-shaped door to be opened and closed in a sliding manner; and a limiting unit, which is used for limiting the motion trail of the arc-shaped sliding rail, so that the arc-shaped door slides in a certain space. The arc-shaped door has the advantages that the door is arranged to be an arc-shaped door, the door opening and closing mode of arc-shaped track sliding is adopted, the occupied space in the door opening process is greatly reduced, and workers do not need to move in the door opening and closing process; and a telescopic rod provides auxiliary force, so that the door opening and closing process is smooth and labor-saving, and the operation comfort is improved.