11results about How to "Avoid Shake Offset" patented technology

The utility model provides an anchoring nail for an external wall insulation board, which relates to the technical field of anchoring nails and comprises an expansion sleeve used for being fixed on a wall surface, one end of the expansion sleeve is open, the other end of the expansion sleeve is closed, an internal thread ring is inserted into the open end of the expansion sleeve, and a plurality of through grooves are formed in the inner wall of the expansion sleeve close to the closed end. The expansion sleeve is provided with a plurality of through grooves, the through grooves are equally divided into a plurality of groups according to the number, the through grooves are distributed in an annular array mode relative to a rotating shaft of the expansion sleeve, and an abutting block used for being matched with the inner wall of the wall in a damping mode is arranged at the position, located in any through groove, in the expansion sleeve. And then the bolts are in threaded connection in the internal thread rings in the expansion sleeves, and the outer wall insulation board is pressed by the fixing pieces through the bolts, so that the expansion sleeves can be prevented from shaking and deviating when the outer wall insulation board is calibrated or fixed.

This utility model discloses a laser-assisted skin rejuvenation treatment device, specifically relating to the field of skin rejuvenation technology. It includes: a laser gun head, with a fixed base at its bottom end, a support member on the bottom side of the fixed base, and a support ring at the bottom end of the support member; and an annular cavity within the fixed base, with guide holes communicating with the annular cavity at all four ends of the inner side of the fixed base, and a positioning post penetrating through the guide holes. This utility model, by setting up the fixed base, support member, and support ring, forms an auxiliary support structure that is fixedly installed at the bottom end of the laser gun head. During laser treatment, the support ring rests against the patient's skin, and with the support and limiting function of the support member and fixed base, the laser gun head can be stably positioned on the patient's skin, effectively preventing shaking and displacement during laser irradiation and greatly ensuring the safety and stability of laser treatment.

The utility model discloses a hoisting type heat recovery fresh air machine which comprises a machine shell, an outdoor air inlet and an outdoor air outlet are formed in the side wall of the machine shell, and a first inserting groove and a second inserting groove are formed in the machine shell. The first inserting groove is located in the inner side of the outdoor air inlet and communicated with the outdoor air inlet. The second inserting groove is positioned on the inner side of the outdoor air outlet and is communicated with the outdoor air outlet; a first filter element and a second filter element are respectively inserted into the first inserting groove and the second inserting groove; outdoor fresh air passes through the outdoor air inlet and the first filter element and then enters the machine shell. And indoor air in the machine shell passes through the second filter element and then is exhausted from the outdoor air outlet. The hoisting type heat recovery fresh air machine can solve the problems that when the filter element of the hoisting type fresh air machine is replaced, the cover plate needs to be dismantled, and operation is inconvenient, and the filter element replacement process is simpler, more convenient and faster.

This utility model belongs to the technical field of dispersion and emulsification machines, specifically relating to a high-shear dispersion and emulsification machine, comprising: a frame, with a motor mounted on the top of the frame; a support frame, positioned below the top of the frame; a stator, positioned at the bottom of the support frame, with multiple through holes arrayed around its periphery; a rotating shaft, rotatably mounted on the support frame, with its top connected to the drive shaft of the motor and its bottom penetrating into the stator and housing a rotor; and an inner support assembly, tightly and movably mounted on the support frame. This invention addresses the problem in existing dispersion and emulsification machines where the shear dispersion components easily sway significantly during the dispersion and emulsification process, causing the rotating shaft to deflect and affecting the mixing effect.

The utility model relates to the technical field of engineering detection, and discloses an ultrasonic non-destructive flaw detector for preventing a probe from accidentally moving, which comprises an ultrasonic non-destructive flaw detector, a display screen is arranged on the front side of the ultrasonic non-destructive flaw detector, and a control button is arranged on the front side of the ultrasonic non-destructive flaw detector. According to the utility model, through the arrangement of the fixing plate, a worker can rotate the knob to enable the plug to move upwards along the telescopic groove when the suction cup is attached to the surface of a metal piece, so that the suction cup is further adsorbed on the surface of the metal piece to prevent the probe from shaking and shifting, and after detection is completed, the detection can be completed by pushing the two groups of control panels. Compared with a traditional device, the device not only can detect independently through the probe, but also can fix the probe on the surface of a metal piece through the suction cup when the probe needs to be fixed, and detection and flaw detection work of workers is greatly facilitated.

The utility model relates to a road and bridge construction vertical detection device belongs to road and bridge construction vertical detection technical field. This road and bridge construction vertical detection device, including support, one side of support is provided with the accommodation groove, the surface fixed mounting of support has the elastic expansion link, the elastic expansion link is located one side in the accommodation groove, portable detection mechanism is used for setting up in one side of support telescopic portable detection mechanism of quick deployment detection device carries out portable detection, wherein, portable detection mechanism includes setting up in one side of accommodation groove movable plate, in use can through the elastic expansion link and fix movable plate in the accommodation groove, when detecting, quick deployment is perpendicular to support, and it is convenient for on -the -spot personnel to carry out perpendicularity measurement directly, spares traditional support assembly step, promotes detection efficiency. Positioning assembly can provide limit support after unfolding, prevents movable plate to sway and deviate, ensures detection accuracy and data reliability.

The application discloses a outrigger positioning device of an off-road tire crane, and belongs to the technical field of cranes, which comprises a rack, a controller is assembled on one side of the front end of the rack, fixed blocks are fixedly installed at both ends of the rack, supporting legs are rotatably assembled between the two groups of fixed blocks, hydraulic rods are installed at the end of the supporting legs, supporting seats are arranged at the end of the hydraulic rods, and auxiliary components for improving work safety are arranged beside the supporting legs. The application discloses a driving assembly, which discards the traditional driving mode of single hydraulic cylinder and single supporting leg, can realize synchronous operation of two supporting legs on the same side, effectively reduces the production investment cost of the equipment, can stably lock the working posture of the supporting leg by relying on the self-locking characteristics of the screw rod thread, prevents the deflection of the supporting leg caused by faults, and avoids shaking and deviation in the work process by matching the arc-shaped limiting structure to constrain the movement track of the supporting leg, so that the stability and reliability of the whole machine supporting work are remarkably improved.

The utility model relates to the technical field of hole flanging dies, in particular to a flow guide ring hole flanging die with a pressing structure, which comprises a lower bottom plate, a striker plate is mounted at the upper end of the lower bottom plate, a central column is arranged on one side of the striker plate, a supporting plate is mounted at the upper end of the central column, a lower die is mounted at the upper end of the supporting plate, and the pressing structure is arranged on the lower die. An upper molded surface block is arranged at the upper end of the lower die, a punch is arranged at the upper end of the upper molded surface block, a transition plate is connected to the upper end of the punch, an upper bottom plate is installed at the upper end of the transition plate, a Misi guide column set is installed at the bottom of the upper bottom plate, and a Misi rectangular spring is arranged on one side of the Misi guide column set. According to the device, the Misi rectangular spring and the punch are additionally arranged, when the device conducts downward pressing and hole flanging, the Misi rectangular spring can drive the upper molded surface block to conduct downward pressing in advance, the punch is made to position a part, and the part is prevented from shaking and shifting during hole flanging.

The utility model discloses a high-efficiency protein separation and purification device, which belongs to the technical field of protein separation and purification and comprises a purification column for high-efficiency protein separation and purification, and a dropper for high-efficiency protein separation and purification is embedded in the top surface of the purification column in a sliding connection manner; the adjusting assembly is arranged on the side face of the dropper and comprises a fixing block and a connecting plate, a moving plate is slidably connected to the top face of the fixing block in an embedded mode, a lead screw with fine threads is in threaded connection with the top face of the moving plate, an abutting nut used for abutting against the moving plate is in threaded connection with the lead screw, and a connecting rod is connected to the top face of the lead screw; the side face of the connecting rod is in interference fit with a fixed bearing, the top face of the connecting rod is connected with a knob, the side face of the dropper is fixedly connected with a connecting plate, and the top face of the connecting plate is fixedly connected with the fixed bearing in an embedded mode. The device can prevent hand shaking from influencing the precision of a dropper for outputting stock solution close to an adsorbent, and the use convenience of the device is improved.

This invention relates to the field of dental medical device technology, and discloses a polishing device for zirconia restorations, comprising: a polishing table, a robotic arm, a structural scanning component, a clamping component, a flexible buffer component, a locking mechanism, and a control center. The robotic arm is mounted on the polishing table; the structural scanning component is mounted on the actuating end. The clamping component includes a clamping seat, a first clamping jaw, and a second clamping jaw. The clamping seat is mounted on the upper surface of the polishing table, and the first clamping jaw has an installation groove. The flexible buffer component includes a contact plate and an elastic element. The contact plate is mounted in the installation groove, and the elastic element causes the contact plate to tend to move away from the bottom of the installation groove. The contact plate has a locking groove. The locking mechanism includes a transmission rod, two abutment blocks, and a locking drive component. The transmission rod is mounted in the locking groove, the abutment blocks are mounted on the transmission rod, and the locking drive component drives the transmission rod. The control center is electrically connected to the robotic arm, the structural scanning component, and the locking drive component. It features a targeted adaptation design.