102results about How to "Fixing method is simple" patented technology

The present invention provides an improved hair hoop structure for fitting on user's head and immobilizing the hair. The improved hair hoop structure includes a main body whose two ends are respectively penetrated by an elastic element, and a male and a female engaging elements which are respectively connected with each elastic element. Through the engagement between the male and the female engaging elements, a circular hair hoop structure is formed, so that the hair hoop according to the present invention can have a convenient operation procedure and can prevent loosing or coming off.

The invention relates to a pipe pile construction method, in particular to a prestressed pipe pile construction method under boulder group geological conditions. According to the method, a down-the-hole hammer drilling process is adopted for guide hole construction; during pile sinking construction, first cement mortar is poured in a pile hole, and then a static pile driver is utilized to press a pipe pile into the pile hole; during pile head fixing construction, a #-shaped fixing frame formed by connecting fasteners is utilized to fix a pile head through a steel pipe at the position of an orifice of the pile hole, a splayed steel pipe is adopted to support two ends of the #-shaped fixing frame, the lower end of the steel pipe is embedded in a soil layer; and after the cement mortar is hardened and is integrated with surrounding rock stratums and the pipe pile, prestressed pipe pile construction is finished. According to the prestressed pipe pile construction method, a hole forming speed is quick, a construction period is short, and construction cost can be reduced by over 10%; by adopting a mode of pouring the cement mortar in the guide hole, pipe pile side pressure, end bearing capacity and the position of the pile side can be guaranteed, and side-direction stress safety of the pipe pile can be guaranteed; a pile head fixing head is simple, construction is convenient, verticality of the pipe pile is guaranteed, and bearing capacity of the prestressed pipe pile is also effectively improved.

The invention provides a method for rapidly fixing a micro-quake sensor underground. The fixing method is characterized in that on the basis that an anchor rod (11) provided by the support way of an underground coal roadway driving working surface anchor rod (11) is taken as a carrier, the conventional buried type installation way is changed, and a sensor and the anchor rod (11) are fixedly connected integrally by rapidly fixing the micro-quake sensor device underground. The device comprises an outer cover and a connector, wherein the outer cover consists of a bottom plate (2), a cover body (3), an external sound wave insulating material (4) and closing holes (5), wherein the connector consists of a protruding shaft (7), a baffle plate (8) and a fixing bolt (9). By adopting the method, a series of problems of complex installation procedures, high time consumption, difficulty recovery and the like in the conventional micro-quake sensor installation way are solved. Rapid installation and detachment of the sensor are realized. Moreover, the cover body provided by the device can be used for fixing and protecting the sensor, and plays a role in insulating and eliminating noise.

The invention discloses a fixing method for a backlight module and an optical patch; the backlight module comprises a base, a light source, a plurality of fixed components and an optical patch. The light source is arranged on the base and can emit light. Each fixed component has a pair of flexible connectors arranged on the base and a pair of clipping fasteners which are respectively arranged on the flexible connectors. The flexible connectors of each fixed component maintain the gaps, and the flexible connectors of each fixed component can make flexible deformation by narrowing the gaps. The optical patch is arranged on the base and has a plurality of fixed holes. The light passes through the optical patch. The flexible connectors of each fixed component pass through one of the fixed holes; each fixed hole is limited between each clipping fastener of the corresponding fixed component and the base, so that the optical patch is restricted in moving on a first axis, a second axis and a third axis; the first axis, the second axis and the third axis are perpendicular to each other.

The present invention relates to a method for making intertidal sponge undergo the process of artificial cultivation under the laboratory condition to obtain biomass. Said method includes the following steps: collecting sponge in intertidal zone, cleaning impurity and dirts from sponge surface in laboratory, cutting sponge into small blocks, making temporary culture in culture vessel, then fixing the small block sponge on the carrier, placing it into a culture device to make temperature-controlled photophobic culture, adding bait algae as main body food, making culture for 10-20 days, so that the biomass maxmum value of primary sponge growth can be obtained.

The invention discloses a preparation method of a copper ion chelated nano particle biological coating. The preparation method comprises the following steps: at first, chelating PLL and copper ions to obtain a PLL/copper ion compound; utilizing the characteristic that PLL and chondroitin sulfate can carry out electrostatic interaction to mix PLL/copper ion compound with chondroitin sulfate so as to form copper ion chelated nano ions; then preparing a DM coating on the surface of 316L stainless steel, utilizing the characteristic that DM and primary amino group can carry out Schiff base reactions to fix nano particles containing amino groups onto the surface of a sample so as to establish a multifunctional surface that can prevent coagulation and proliferation and promote endothelial regeneration. By establishing a nano particle coating, which has multiple biological functions, on the surface f 316L stainless steel, the anti-coagulation and anti-proliferation functions of stainless steel are prominently enhanced, and at the same time, the performance of repairing endothelial injury is strengthened.

The invention belongs to a building reinforced concrete cutting apparatus, in particular to a hydraulic concrete cutting machine. The hydraulic concrete cutting machine is characterized by comprising a hydraulic supply source, an electric cabinet, a guide way component (1), a cutting feed component (4), a rotation component (7), a speed reducing component (12), a base component (14) and a hydraulic motor (16); the guide way component (1) is fixed on a guide way supporting frame (2); the base component (14) and the cutting feed component (4) are respectively installed at two sides of the guide way component (1); the rotation component (7) and the speed reducing component (12) are vertically connected and fixed above the base component (14); the hydraulic motor (16) is arranged at one end of the rotation component (7) and communicated with the hydraulic supply source through a hydraulic oil pipe; and the electric cabinet controls the operation of the cutting machine through a control cable. The invention adopts the cable control of the electric cabinet to automatically cut, is safe, has high efficiency, low cutting cost, convenient operation, no dust during operation and no repair for cutting processing.

The invention relates to special equipment for measuring positions of bottom claw threaded holes and crankshaft holes of a cylinder block; the special equipment comprises a detecting circular table, bottom claw threaded hole detecting columns, a crankshaft hole detecting column and a handle, wherein the crankshaft hole detecting column is manufactured at the axial upward axis of the detecting circular table; a crankshaft hole detecting circular table is radially manufactured on the detecting circular table which is coaxial with the crankshaft hole detecting column; the axial upward bottom claw threaded hole detecting columns are uniformly distributed at the periphery of the crankshaft hole detecting column on the detecting circular table; a bottom claw threaded hole detecting circular table is radially manufactured on the detecting circular table which is coaxial with the bottom claw threaded hole detecting columns; and the cylindrical handle is manufactured in the axial downward axis position of the detecting circular table. The measurement method of the special equipment for measuring the positions of the bottom claw threaded holes and crankshaft holes of the cylinder block is simple and comprises steps of aligning the bottom-side handle at the cylinder body and then aligning the bottom claw threaded hole detecting columns and the crankshaft hole detecting column on the detecting surface at the cylinder block.

The invention discloses a sensor fixing device for detecting a welding line by ultrasonic guided waves. The sensor fixing device comprises a plurality of sensing units, a fixed belt and two clamping units, wherein the fixed belt is vertical to the welding line in the length direction; the plurality of sensing units which are side by side are symmetrically arranged on the welding line and welding plates at two sides of the welding line 4; the upper ends of the plurality of sensing units are fixed at the middle lower part of the fixed belt respectively; the lower ends of the plurality of sensing units are abutted against the arc-shaped convex welding line and the welding plates at the two sides of the welding line respectively; the clamping units are used for respectively fixing the two ends of the fixed belt on the welding plates; a sensor is embedded into a sensor clamp. The sensor fixing device is simple in structure, convenient to operate, stable, reliable and relatively strong in applicability; all the sensors mounted on the welding line and the welding plates at the two sides of the welding line are not limited by the shape and the size of the welding line, the strength of receiving echoes is enhanced and the length of the measureable welding line is greatly improved, so as to provide a reliable way for efficiently detecting the far-distance welding line. The measurement range is enlarged, and the detection efficiency and the detection precision are improved.

A portable working machine comprising: an engine; a frame which holds the engine; front handle and a rear handle which are provided to the frame; and a power conversion unit for transmitting an output from the engine to drive a working tool, wherein the engine, the power conversion unit and the working tool being held by the frame via an elastic member, and wherein the front handle and the elastic member are disposed so that an axis passing through a center of an attachment portion of the front handle and an axis passing through a center of an attachment portion of the elastic member substantially coincide with each other.

The invention relates to the field of automobile parts, and discloses a clamping and cleaning device for automobile part machining. The clamping and cleaning device comprises a working table, guide columns, a sunken part, a notch, first cylinders and second cylinders, wherein first sliding plates divide the first cylinders into first communicating parts and first moving parts; a plurality of air holes are formed in one end, which is close to the sunken part, of each first moving part; second sliding plates are connected into second cylinders in a sliding manner; second push rods are fixed on the second sliding plates; the second push rods extend out of the second cylinders, and are connected to the first communicating parts in a sliding manner; the second sliding plates divide the second cylinders into second communicating parts and second moving parts; a motor and a main air pipe are mounted in the notch; the main air pipe communicates with two branch pipes; and the two branch pipes are respectively connected with the different second communicating parts. The clamping and cleaning device can realize dual fixing on a workpiece and clean the workpiece twice, so that the workpiece machining precision can be improved, and fragments produced during workpiece machining also can be cleared away; and the workpiece machining quality is improved.

The present invention relates to a decorative plastic bald wig and its production method. Said method includes the following steps: defining mould and taking smaple, pouring to make mould, duplicating mould and forming, hair fibre treatment, braiding hair fibre and bonding double-face glue, etc. It is characterized by hair fibre hair root treatment, it can make the hair fibre whose root color is head skin colour be braided on the transparent wig lining, and its knotted position is not black, after the wig is fixed, it can be made into various required styles.

The invention discloses a construction method of a template with no split bolt hole. The construction method includes the following steps: (1) sequentially placing a plurality of external wall templates along the longitudinal direction to form a lower-layer external wall template; (2) placing small template strips and split bolts at the top of the lower-layer external wall template at intervals; (3) repeating the step (1) and the step (2) to construct upper-layer external wall templates layer by layer until the upper-layer external wall templates are as high as the installation of the external wall templates; (4) installing a vertical wood square on the outer sides of the external wall templates; (5) installing horizontal double steel pipes arranged along the horizontal direction on the outer side of the vertical wood square; (6) adjusting the evenness and verticality of the external wall templates; (7) pouring wall concrete; (8) loosening the split bolts when the wall concrete achieves the template removing strength, taking down the double steel pipes, dismantling the external wall templates and removing the small template strips; (9) cutting off the exposed portion of the split bolts at the bottom of a groove formed at the position where the small template strips are removed; and (10) trowelling the groove through waterproof mortar. By means of the construction method, rigidity of the template is reliable.

The invention relates to a method for fixing and connecting bearing and wheel, used to connect small rolling wheel, sliding wheel and bearing, wherein said method is characterized in that: the inner wall of axial hole is arranged with concave; using two fixing rings with tooth plugs to clamp the bearing and the wheel at two end surfaces of bearing and wheel; the tooth plug is inserted into the concave of wheel; the tooth of plug are meshed; there are at least three concaves on wheel; the number of tooth plugs is the same as the concaves of wheel. The invention has low cost without hurting the bearing and wheel, to confirm the long service life of wheel and bearing. The invention can change the condition that the wheel can be only made from plastic.

The invention relates to the technical field of storage battery mounting assemblies. The invention further discloses a horizontal plug-in type lead storage battery mounting assembly which comprises abattery box, bolt holes are formed in four corners of the upper surface of the battery box, heat dissipation grooves are formed in the left surface and the right surface of the battery box, the heat dissipation grooves are communicated with the interior of the battery box, the interior of the battery box is of a hollow structure, a clamping device is arranged in the battery box, a placement grooveis formed in the top of the battery box, a partition plate is fixedly connected in the placement groove, and a battery is placed in the placement groove. According to the device, when a user puts a battery on the U-shaped frame, a moving block slides leftwards, an L-shaped rod drives calipers to slide leftwards, the moving block is loosened, and the calipers are ejected rightwards through a spring, so that the calipers are mutually clamped with a clamping block after being ejected, the battery is firmly fixed, and the device is firmer in battery fixing, simple in battery fixing method, and the operation can be completed by one person.

The invention discloses method for fixing drive coil of needle-gating device. Drive coil of controlling movement of blade in the needle-gating device is installed in the coil holder, and is connected to the coil holder fixedly. The method includes steps: fabricating the coil holder with flute on surface in advance; placing drive coil to the flute in the coil holder; filling jelly into the flute. Advantages of the method are: simple and easy of implementation, obvious cooling effect, and increasing service life of drive coil.

The invention discloses a Fresnel lens sheet used in a rear projection screen and a transmission projection screen using the Fresnel lens sheet. The Fresnel lens sheet is characterized in that it has at least a lens layer forming a Fresnel lens and a layered structure with a base material layer, and a total reflection surface is provided on the outgoing light side instead of the incident light side, and the lens is composed of When light is incident on either the side of the lens layer or the side of the base material layer, a part of the projected light transmitted from the lens layer to the base material layer is totally reflected. The effect is that regardless of the thickness of the lens layer, it is possible to obtain a Fresnel lens sheet that can reduce double images and can be easily fixed so that double images are not conspicuous.

The invention discloses a computer aided design method for an egg-shaped shell line form, relates to the technical field of egg-shaped curve computer aided design and provides a reliable and generally-applicable computer aided design method for the egg-shaped shell line form. The design method comprises the steps that a rectangle is established according to the geometric dimension requirement of an egg-shaped shell to be designed, a computer software Excel table is adopted for calculating the parameters and coordinates of a middle easement curve, the calculation result data of the coordinates of the middle easement curve are imported point by point in a CAD fundamental figure, and the egg-shaped shell line form is formed. By means of the computer aided design method, the egg-shaped shell line form can be easily designed, and the shell line form of an egg-shaped container and an egg-shpaed curve formed through a design method for the structural line form of an egg-shaped component can be easily designed.

The invention discloses a fixing device and a fixing method of hydrophones in an array cable, and belongs to the technical field of underwater acoustic transducers. The fixing device comprises an encapsulating material for encapsulating the hydrophones, and a support block, wherein both ends of the encapsulating material are arranged as a clamp structure; and one end of the supporting block is provided with a card slot that is flexibly connected with the clamp. The fixing method comprises: encapsulating the hydrophones in the encapsulation material and fastening with the support block; sequentially passing the Kevlar rope through the groove on the side of the support block, dripping the quick-drying glue into the groove for preliminary fixing; connecting all the hydrophones by wires for testing, dropping the quick-drying glue into the groove after the requirements are met to finally fix the Kevlar rope and the support block; and embedding serially connected hydrophone line arrays in the protective sleeve. The fixing method is simple and easy to operate, and the encapsulating material is caught in the card slot of the supporting block by the clamp, so that the hydrophone may be disassembled for replacement or maintenance by taking out the clamp from the card slot, thereby reducing the difficulty of repairing a fault during cable forming process.