31results about How to "Does not affect the fixed effect" patented technology

The invention relates to the technical field of concrete pipe pile production, in particular to a multi-stage steel composite concrete pipe pile and its production device, a mixing and weighing mechanism, a feeding mechanism, a forming mold and a centrifugal support mechanism. The stirring and weighing mechanism designed in the present invention can monitor the weight of each component raw material added in real time. When the feeding mechanism is feeding, the weight of the feeding material is monitored to prevent insufficient or excessive feeding. The forming mold of the present invention realizes the fixing of the upper mold and the lower mold through the first fixing block, which is easy to disassemble and improves work efficiency. At the same time, the L-shaped groove, the first wedge-shaped block and the second wedge-shaped block can ensure reliable fixing and reduce molding Influence on the fixing effect when unexpected vibration and collision occur during mold transportation. The centrifugal support mechanism designed by the present invention can adjust the height by increasing or decreasing the number of height adjustment blocks on the premise of ensuring stable and reliable support, and can adjust the gap of the support seat according to the size of the actual concrete pile.

The invention discloses a utility pole support, which comprises a fixing box, on which a screw jack is arranged, and the screw jack includes a screw perpendicular to the ground, the lower end of the screw is located in the fixing box, and the bottom end surface of the screw is Rotate and connect the connecting rod, the upper part of the connecting rod is provided with a gear one, the middle part of the connecting rod is provided with a spiral blade, the bottom end of the connecting rod is conical, the screw rod is provided with a mounting plate, and the motor is provided on the mounting plate. The output shaft of the motor is provided with a gear 2 that engages with the gear 1, a through hole 1 is provided on the bottom plate of the fixed box for the helical blade to pass through, a folding rod 1 is provided on the side of the fixed box, and an arc is provided at the end of the folding rod. The utility pole is in close contact with the inner concave surface of the arc-shaped groove, and the spiral blade of the present invention is screwed into the ground to provide a fixed point for the folding pole, with firm support, convenient use and strong practicability.

The invention discloses a positioning device for the interior of an automobile, and relates to the technical field of automobile accessories. The positioning device for the interior of the automobile comprises a device body, and a positioning groove is formed between the left side and the right side of the device body in a penetrating mode. According to the positioning device for the interior of the automobile, when an ambulance accelerates or decelerates, an inertia driving mechanism can control the positioning mechanism to locate wheels of a wheel stretcher or a wheel chair in the positioning groove under the inertia effect, so that the wheel stretcher or the wheel chair can be greatly prevented from moving, and when the ambulance stops, the inertia driving mechanism can control the positioning mechanism to be separated from the rollers of the wheel stretcher or the wheel chair, so that the wheel stretcher or the wheel chair can be directly pushed out, a locking device of the rollers of the wheel stretcher or the wheel chair does not need to be opened, more time can be gained for rescue of patients, and due to the fact that the device is fixed inside an ambulance, even if blood or water spots exist in the ambulance, the fixing effect of the stretcher or the wheelchair cannot be affected.

The invention discloses core filling type compensation backing plates capable of adjusting misalignment of alignment reserved holes. The core filling type compensation backing plates comprise fixing plates and core filling pipes, wherein the diameters of the fixing plates are greater than the hole diameters of the reserved holes; the outer diameters of the core filling pipes are consistent with the hole diameters of the reserved holes; each of the core filling pipes is fixed at the center of one surface of the corresponding fixing plate; the core filling pipes are of hollow tubular structures;and circular or oval through holes are formed in the areas, corresponding to the inner cavities of the core filling pipes, of the fixing plates. According to the core filling type compensation backing plates capable of adjusting the misalignment of the alignment reserved holes, the reserved holes of which the hole diameters are slightly greater than a set hole diameter are reserved in to-be-perforated positions of a structure; the compensation backing plates are inserted into the reserved holes; and the through holes capable of adjusting the direction and position are formed in the compensation backing plates, so that the alignment of the reserved holes at two sides can be ensured. In addition, the compensation backing plates are of truncated cone structures with stepped surfaces so as toachieve stable force bearing of an entire alignment system and avoid the influence on the fixing effect of the alignment system while ensuring that the diameters of the open holes are greater than the set hole diameter.

The invention discloses a corrugated carton board tilter. The corrugated carton board tilter structurally comprises a base, a control box, an overturning block, a rolling shaft and an operating platform, wherein the top of the base is welded to the bottom of the control box; the bottom of the overturning block is movably clamped to the top of the base through a rolling shaft; the bottom of the operating platform is fixedly embedded into the top of the overturning block; and the operating platform comprises a shell, a pressure device, an air chamber, an air exhaust port and a fixed buffer block, wherein the inner wall of the shell is welded to the bottom end of the pressure device. According to the corrugated carton board tilter, kraft paper can be fixed on the operating platform in the bonding process of the kraft paper and a paper core interlayer, so that the relative displacement is avoided in the bonding process, and the situation that the elasticity and the extensibility are influenced by the air chamber generated after the bonding process is avoided; and meanwhile, a buffer seat can be used for buffering so as to avoid irregular collapse if the lower pressure is not uniform inthe bonding process, and the fixing effect cannot be influenced in the buffering process.

The invention relates to an air blocking structure, which is suitable for being installed on a main board module. The main board module comprises a main board body and at least one positioning part, wherein each positioning part is arranged on the main board body and protrudes out of the main board body. The air blocking structure comprises at least one rib, wherein each rib comprises a rib body and a sleeve tube, and each sleeve tube extends from the rib body. Each rib body is vertically arranged on the main board body to block the air flow. The sleeve tube is fixedly arranged on the positioning part to fix the air blocking structure on the main board body.

Provided by the present invention is a 3D printer for the external fixation of a fracture, comprising a printer frame, wherein a feeding device is installed at an upper portion of the printer frame, a three-axis moving mechanism is installed at a middle portion of the printer frame, an air cooler is installed at a lower portion of the printer frame, and a first hot air softening device and second hot air softening device are installed at two sides of the three-axis moving mechanism respectively; a dedicated print head is installed on a three-axis moving platform of the three-axis moving mechanism, and a discharge port of the feeding device is connected to an end of a feeding hose, while a feeding port of the dedicated print head is connected to the other end of the feeding hose; an air outlet of the air cooler is connected to an end of a cold air hose, and an air inlet of the dedicated print head is connected to the other end of the cold air hose; a surface of a model is softened to achieve the purpose of flattening the surface without deforming the entire model to affect a fixation effect, thus the purpose of rapid printing of an external fixation model for a fracture is achieved.

The invention discloses circumcision anastomat. The circumcision anastomat comprises anastomosis parts including the upper anastomosis part and the lower anastomosis part. The upper anastomosis part and the lower anastomosis part are semicircular anastomosis parts which are matched with each other. The first end faces of the upper anastomosis part and the lower anastomosis part are connected with each other, wherein a rotating shaft is adopted for the joint. At least two fixed supports extending inwards are arranged on the lateral sides of the inner side faces of the anastomosis parts. A fixing ring with the diameter smaller than the inner diameter of a ring formed by the anastomosis parts is arranged on the inward end faces of the fixed supports. Multiple layers of cleaning cotton cloth which are stacked from outside to inside are arranged in a cavity formed by the fixed supports, the fixing ring, the upper anastomosis part and the lower anastomosis part. A draw thread extending out of the fixing ring is arranged at one corner of each piece of cleaning cotton cloth. Because the circumcision cycle is long, by means of the design, skin can be cleaned by drawing the cleaning cotton cloth in the process.

The invention discloses core filling type compensation backing plates capable of adjusting misalignment of alignment reserved holes. The core filling type compensation backing plates comprise fixing plates and core filling pipes, wherein the diameters of the fixing plates are greater than the hole diameters of the reserved holes; the outer diameters of the core filling pipes are consistent with the hole diameters of the reserved holes; each of the core filling pipes is fixed at the center of one surface of the corresponding fixing plate; the core filling pipes are of hollow tubular structures;and circular or oval through holes are formed in the areas, corresponding to the inner cavities of the core filling pipes, of the fixing plates. According to the core filling type compensation backing plates capable of adjusting the misalignment of the alignment reserved holes, the reserved holes of which the hole diameters are slightly greater than a set hole diameter are reserved in to-be-perforated positions of a structure; the compensation backing plates are inserted into the reserved holes; and the through holes capable of adjusting the direction and position are formed in the compensation backing plates, so that the alignment of the reserved holes at two sides can be ensured. In addition, the compensation backing plates are of truncated cone structures with stepped surfaces so as toachieve stable force bearing of an entire alignment system and avoid the influence on the fixing effect of the alignment system while ensuring that the diameters of the open holes are greater than the set hole diameter.

The invention discloses an audio processing method used in a bone conduction earphone, a bone conduction earphone and an audio playback device based on the bone conduction earphone. The bone conduction earphone includes a human bone and tissue model modeling module and a digital Precorrector, delay estimation unit, digital-to-analog converter, analog-to-digital converter, first low-pass filter, second low-pass filter, audio amplifier, audio driver amplifier, at least one bone conduction microphone, at least one bone conduction Oscillator; real-time detection of the attenuation effect information of human bones and tissues of different users, based on the attenuation effect information, a compensation transfer function is generated, and the digital pre-correction of the input audio signal is performed in the bones and human tissues through the compensation transfer function conduction. Solve the problem that different users have different thicknesses of human tissue, resulting in different experience of bone conduction earphones.

The invention relates to a permeable medical plaster cast and hole puncher. The permeable medical plaster comprises a plaster cast which has a plurality of breather holes. The specialized hole puncheris composed of a hole-punching peg and a hole-punching prick; wherein, the prick peg comprises a base and a pillar canal; the hole-punching prick is composed of a prick rod and a prick head. The prick head has blade mouth. The invention resolves the difficulty of imporosity of the existing medical gesso; the gesso hole-puncher can punching a plurality of hole freely on the premises of not impacting the fixing intensity, tenacity and fixing effect of the gesso without breaking off the gesso powder. The invention has the advantages of rational design, convenient operation, safety and reliability, scientific ness, beauty and durability.