53results about How to "Reduce stretch" patented technology

The invention discloses a convenient-to-adjust welding workstation for hardware machining, and relates to the technical field of adjusting welding, the convenient-to-adjust welding workstation for hardware machining comprises an equipment frame, a welding mechanism is fixedly mounted on the outer wall of the equipment frame, a first motor is fixedly mounted on the surface of the equipment frame, and the convenient-to-adjust welding workstation for hardware machining further comprises a clamping device; wherein the clamping device comprises a rotating rod, a fixing plate, a rotating pipe, an electric push rod, a clamping plate, a large gear, a second motor, a connecting rod, a circular plate and a small gear, and the rotating rod is fixedly installed at the output end of the first motor. The hardware is fixed in the welding process, the situation that the hardware is damaged due to the fact that the hardware shakes in the welding process and falls off can be prevented, meanwhile, the non-welded side is rotated, the hardware can be adjusted to the optimal position more easily, and unnecessary torsion and stretching are reduced.

The hidden uncovering dissecting table comprises a storage box and an upper cover plate capable of being wound and bent, an opening is formed in the upper end of the storage box, a supporting guide groove is formed in the side wall of the opening in the upper end of the storage box, an outer shell is arranged on the outer side of the storage box, and a hidden temporary storage space is formed between the outer shell and the storage box; the upper cover plate slides in the supporting guide groove and the hidden temporary storage space, and when the upper cover plate is in an open state, the upper cover plate slides and is hidden in the hidden temporary storage space; when the upper cover plate is in a closed state, the upper cover plate slides into the supporting guide groove from the hidden temporary storage space to seal and cover the upper end opening. When the upper cover plate of the dissecting table is closed, the upper cover plate directly slides into the hidden temporary storage space from the supporting guide groove, so that the space at the two ends of the dissecting table can be saved, and students can conveniently observe and operate the dissecting table.

The invention relates to the technical field of oil-gas field development and pipeline transportation, in particular to a low-corrosivity sulfur dissolving agent and a preparation method thereof. The specific technical scheme is as follows: the low-corrosion sulfur dissolving agent comprises the following components: 50-70 wt% of metal alkoxide, 5-15 wt% of benzene compounds, 10-20 wt% of an alkaline triazine sulfur removal agent, 3-10 wt% of a surfactant, 5-15 wt% of a corrosion inhibitor and 3-10 wt% of an auxiliary agent. The prepared sulfur dissolving agent can be widely applied to medium and low sulfur-containing gas well shafts and gathering and transportation pipelines so as to slow down deposition of elemental sulfur and release of H2S and relieve erosion damage of deposition of wet elemental sulfur to oil pipes and packer rubber.

The embodiment of the invention relates to the technical field of tooth correction, and discloses a generation method, a display method, electronic equipment and a storage medium. The gingival line generation method comprises the following steps: determining an initial mapping relation between the pose of a target tooth and the form of a gingival line in a dental model; obtaining a target mapping relation between the pose of a standard tooth and the form of a gingival line in the standard tooth jaw model; determining an intermediate mapping relationship between the pose of the target tooth and the form of the gingival line when the ith correction step is completed based on the change of the target tooth from the initial pose to the target pose in the correction plan for the dental model and in a change range from the initial mapping relationship to the target mapping relationship; and according to the intermediate mapping relation, generating a gingival line of the target tooth when the ith correction step is completed. The method is beneficial to generating gingival lines which are free of distortion and stretching problems and conform to physiological curvature, and further improves the authenticity of gingiva during display in the correction process.

The invention provides a carbon fiber and a preparation method and application thereof, and relates to the technical field of carbon fiber surface modification.The preparation method of the carbon fiber comprises the following steps that a polyacrylonitrile precursor is used as a raw material, graphitized fibers are prepared, and the graphitized fibers are subjected to surface modification; sequentially performing electrochemical oxidation surface treatment and sizing on the graphitized fibers to obtain carbon fibers; wherein the electrochemical oxidation surface treatment comprises the steps that first-stage surface treatment and second-stage surface treatment are sequentially conducted on the graphitized fibers, an alkaline electrolyte with hydroxyl is adopted in the first-stage surface treatment, and a composite electrolyte of ammonium acetate and ammonium dihydrogen phosphate is adopted in the second-stage surface treatment. Oxygen-containing functional groups and nitrogen-containing functional groups on the surface of the fiber are added, so that the interface performance of the carbon fiber can be improved.

The invention belongs to the field of fitness equipment, and discloses a multi-layer soft cushion structure which comprises a front running board. The rear running board is coupled with the front running board, and the rear running board and the front running board can be folded; the buffer layer is laid on the upper surfaces of the front running board and the rear running board, and an opening which does not longitudinally penetrate through the upper surface of the buffer layer is formed in the surface facing the upper surfaces of the front running board and the rear running board; and the opening position corresponds to the coupling joint of the front running plate and the rear running plate. According to the running board with the buffer layer, the opening is formed in the surface, corresponding to the running board, of the buffer layer, the buffer effect is good, the exercise comfort is improved, and the folding effect of the front running board and the rear running board is not affected. The invention further discloses a running machine.

This invention relates to the field of medical device technology and discloses a surgical sternal closure fixator, comprising a main body, a male hook plate at one end of the main body, and a fixing mechanism on the main body. The fixing mechanism includes a flexible plug and a female hook plate. The flexible plug is located inside the main body, and the female hook plate is connected to the end of the flexible plug away from the male hook plate. The fixing mechanism includes a sliding mechanism, which includes a female hook plate located on the inner wall of the female hook plate facing the male hook plate, with one end of the female hook plate inserted into the flexible plug. The flexible plug contains an auxiliary mechanism and a rotating mechanism, the auxiliary mechanism being connected to the rotating mechanism. A wobbling mechanism is provided on the side wall of the female hook plate facing the male hook plate. This invention can adjust the gripping force and gripping position according to the expansion and contraction of the sternum during the patient's breathing, reducing local misfitting between the fixator and the sternum, which affects the stability of sternal fixation and improving stability.

This invention belongs to the field of health pillow technology, and specifically provides an adaptive height-adjustable support frame and the adaptive height-adjustable sleep health pillow constructed therefrom. The support frame includes a base plate, a compensation edge plate, and a support panel. These three plates form an approximate "Z" structure under the action of a reset elastic element and a hinge element. The support panel is configured as a support surface that can switch between an inclined position and a flat position relative to the base plate. The health pillow includes a pillow cushion, a pillowcase, and the aforementioned support frame. The pillow cushion is installed on the support panel of the support frame, and the pillowcase is placed over the pillow cushion and the support frame. This health pillow structure can not only automatically adjust its vertical displacement according to the pressure of the head and neck, but also adaptively adjust the support surface according to the sleeping posture to ensure that it is continuously and closely fitted to the physiological curve of the human head and neck, improving the support force for the neck and head, maintaining the physiological curvature of the neck, and relieving shoulder and neck pain with long-term use, reducing the probability of stiff neck, neck fatigue, and chronic strain.

The invention relates to the technical field of power equipment, and discloses a wire arrangement device for a power grid power transmission and distribution line, which comprises a middle support frame, a plurality of connecting frames are arranged on the support frame at intervals along the circumferential direction, and locking hooks capable of being adjusted along the length direction of the connecting frames are arranged on the connecting frames. In an initial state, the locking hook is in contact with one end, far away from the supporting frame, of the connecting frame to form a locking space, and during working, the locking hook is adjusted to be far away from the connecting frame to form a threading channel; according to the invention, the distance between the locking hook and the wire can be shortened by sliding the locking hook out of the connecting frame for adjustment, so that the convenience of hanging the wire arrangement device and the wire is met, and meanwhile, the potential safety hazard is reduced.

The invention discloses an automatic processing system and method for foamed plastic products with poor ductility, the automatic processing system comprises a machine body (1), a feeding frame (2), a cutting device (3), an oven (4), a discharging device (5), a shaping device (6), a conveying belt (8), a power device (9) and a control device (10), the cutting device is arranged between the feeding frame (2) and the oven (4) and used for cutting coiled materials into sheets with proper sizes, and the shaping device (6) is arranged on the conveying belt (8). The conveying belt (8) sequentially penetrates through the feeding frame (2), the cutting device (3), the oven (4) and the discharging device (5), and the shaping device (6) is arranged on the periphery of the discharging device (5). By the adoption of the system, the five working procedures of feeding, cutting, heating, modeling and blanking are controlled by the control device and completed in a unified mode, the consistency of products is greatly improved, the yield of the products is greatly improved, and the labor cost is greatly saved.

The invention provides a wood-plastic-based composite material with 3D textures and a preparation process thereof, belongs to the technical field of 3D wood-plastic material preparation, and solves the technical problems that an existing wood-plastic composite material is single in function, material textures cannot be customized and the like. The structure of the wood-plastic based composite material with the 3D textures sequentially comprises a functional protection layer, an additive printing texture layer and a wood-plastic base material layer from the surface to the core, and interlayer compounding is achieved through surface heating melting and interlayer mutual pressing. The preparation process comprises the following steps: extruding to prepare a wood-plastic base material, shaping, performing 3D texture printing, laminating and treating a finished product. The composite material is prepared through the processes of extrusion preparation of the wood-plastic base material, cooling and shaping, 3D texture printing, conveying and positioning, synchronous film releasing, film relaxation and oscillation, hot air circulation preheating, multi-angle dynamic air pressure film covering, cold air circulation cooling, film cutting and heat sealing and finished product treatment, the preparation process is high in efficiency and low in energy consumption, and the prepared composite material is good in structure effect and good in application prospect. The multifunctional requirement is met, and the finished product is more stable.

The utility model provides a battery pin and a battery, the battery pin is used for connecting a pole and a tab of a battery cell, the battery pin comprises a first connecting part and a second connecting part, the first connecting part is electrically connected with the pole; the second connecting part comprises a connecting part connected with the first connecting part and a welding part located on at least one side of the connecting part, the second connecting part is connected with a tab through the welding part, and the welding part is provided with a deformation release structure. According to the battery pin and the battery provided by the utility model, the limited space in the battery cell can be fully utilized, and the utilization rate of the internal space is improved, so that the energy density of the battery is further improved.

This utility model discloses a mid-drive conveyor with an encoder, including a main conveyor beam, a drive mechanism, and an encoder. A first end roller bracket and a second end roller bracket are installed at both ends of the main conveyor beam. The drive mechanism includes a drive motor, multiple upper drive rollers, multiple lower drive rollers, two mounting plates, and a reducer. The multiple upper drive rollers and multiple lower drive rollers are installed between the two mounting plates. The drive motor is connected to the reducer, which is fixedly installed on the other side of the first mounting bracket. The reducer is connected to one of the lower drive rollers. A conveyor belt winds around the multiple upper drive rollers and multiple lower drive rollers sequentially from bottom to top, and extends from the middle to both sides, fitting onto the drive rollers on the first end roller bracket and the second end roller bracket. The encoder is installed on the side plate of the first end roller bracket and is connected to a driven wheel. The shaft end of the lower drive roller on the first end roller bracket is connected to a driving wheel, and the driving wheel and the driven wheel are connected by a synchronous belt.

The utility model relates to the technical field of electric coagulation haemostatic forceps, and discloses a miniature electric coagulation haemostatic forceps for animal test surgery, which comprises two connecting rods, the left sides of the two connecting rods are fixedly connected with extension rods, the exteriors of the two extension rods are connected with sliding sleeves in a sliding manner, elastic assemblies are arranged in the extension rods, and the elastic assemblies are connected with the sliding sleeves in a sliding manner. A sliding groove is formed in the left side of the interior of the extension rod, a hemisphere is fixedly connected to the bottom of the elastic assembly, a plurality of clamping grooves are formed in the bottom side of the interior of the sliding sleeve, an outer clamp body is fixedly connected to the left side of one connecting rod, and an inner clamp body is fixedly connected to the left side of the other connecting rod. According to the haemostatic forceps, after the hemisphere moves to the designated clamping groove position, the spring releases elastic potential energy, the hemisphere is pushed to reset and be clamped in the clamping groove in the bottom of the sliding sleeve, and therefore the length of the haemostatic forceps is locked. The length of the hemostatic forceps can be flexibly adjusted according to the requirements of different operation scenes, and a doctor can operate and use the hemostatic forceps conveniently.

The utility model discloses a kind of drag chain cables for ultra-high soft industrial robot, including cable sheath, multiple groups of cable and tensile strengthening assembly set in cable sheath, tensile strengthening assembly includes conductor reinforcing member and inner side gap reinforcing member and outer side gap reinforcing member respectively set in each cable, inner side gap reinforcing member and outer side gap reinforcing member can be effectively realized complementation, the tensile and compression influence of cable bending to cable and internal insulation structure is reduced to the greatest extent, and then cable can meet the requirements of torsion resistance and tensile resistance while taking into account softness, the utility model belongs to the field of wire and cable.

A gastrostomy tube fixing band comprises a fixing band body, the fixing band body comprises an arc-shaped part, the arc-shaped part is provided with a through hole for a gastrostomy tube to penetrate through, and at least the peripheral part of the through hole is provided with a hard supporting part. The fixing band body is provided with a fixing part used for fixing a gastrostomy tube body, a first connecting part and a second connecting part which are detachably connected with each other are arranged at the two ends of the fixing band body respectively, and the first connecting part and the second connecting part are connected so that the fixing band body can be fixed to the abdomen of a patient. Due to the arrangement of the hard supporting part, when the exposed part of the gastrostomy tube is fixed, the leading-in section tube body is kept perpendicular to the abdomen skin of a patient, and the problems that a fixing gasket is not tightly attached to the skin, nutrient solution overflows, wound infection is caused and the like due to lateral inclination are solved; due to the arrangement of the arc-shaped part, a space for placing the fixing gasket is reserved, and the distance between the outermost side of the arc-shaped part and the abdomen of the patient is beneficial to better keeping the leading-in section tube body perpendicular to the abdomen skin of the patient.

The utility model discloses a footboard linkage mechanism and body builder, and relates to the field of body building equipment. Its technical scheme includes: stress structure, and this structure contains the first rotary joint part of rotatable connection with external support structure, and its both sides are equipped with first force connecting part and first linkage connecting part respectively; footboard unit, including footboard; guide unit, and footboard linkage; first linkage structure, between stress structure and footboard, when the stress structure rotates with the first rotary joint part as the axle, first linkage structure drives footboard to move in the range of guide unit limit. Advantageous effects are: realize the linkage of crouching action and footboard, make shank and foot at the ankle joint place always be in the close vertical range during training, reduce the ankle joint injury probability, and can complete the maximum degree crouching simultaneously, distribute the training resistance as much as possible to the target hip muscle group, improve training efficiency greatly.

The utility model relates to the technical field of trademark pasting making discloses a longitudinal cutting mechanism of trademark machine, including setting up on the support plate of frame, two the side of facing of support plate all is provided with damping bearing, the damping bearing interval is provided with longitudinal cutting shaft, the longitudinal cutting shaft all uniformly distributed has a plurality of fixed clamps, the side of fixed clamp is provided with adjusting part. The utility model discloses the trademark machine stripping waste mechanism of setting can separate the plastic film roll paper after the film coating with waste film quickly, through the slitting force generated by stripping waste piece, make when separating can reduce the tensile force, thereby avoid the plastic film roll paper when separating and drag too big, cause the plastic film roll paper damage and scrap.

The present invention relates to a method of manufacturing at least a part of a sole for a shoe. The method comprises (a) providing a carrier layer; (b) arranging a yarn or multiple yarns on the carrier layer, such that the yarn or the multiple yarns essentially define the shape of the part of the sole of the shoe; and (c) sewing the yarn or at least one of the multiple yarns to the carrier layer.

This utility model relates to a large-angle shell elbow processing equipment, which includes a pipe bending machine; a straight shell section is placed on the pipe bending machine, which bends the straight shell section to form a shell elbow with a bending angle of 175°-180°. The design is reasonable and the structure is simple. It achieves a large-angle shell elbow of 175°-180° through bending, which is highly efficient. (During bending, the shell elbow experiences minimal stretching due to the large angle of 175°-180°, which has little impact on its quality.)

The present invention discloses an isolation sleeve for a semen collector, which relates to the field of medical devices and comprises a semen collector sleeve for storing liquid. The semen collector is provided with a cylinder for placing a penis, and the semen collector sleeve is arranged in the cylinder. The semen collector sleeve is a cylindrical structure with one end open and the other end closed. A diaphragm sleeve is arranged on the outer side of the opening of the semen collector sleeve, and the diaphragm sleeve and the semen collector sleeve are used to separate the semen collector from a human body. On the basis of the prior art, the present invention provides an isolation sleeve for a semen collector, and the semen collector is separated from the human body by the semen collector sleeve and the diaphragm sleeve, thereby preventing the semen collector and the user from being contaminated. Before use, the user puts the diaphragm sleeve on the semen collector, so that when the user touches the semen collector and uses it, the user is separated from the semen collector by the diaphragm sleeve, thereby preventing the semen collector or the human body from being contaminated.

This utility model relates to the field of vehicle technology, providing a vehicle battery rack and a vehicle. The vehicle battery rack includes a first frame for mounting a fuel cell and a second frame for mounting a power battery, as well as multiple connecting beams connecting the first frame and the second frame. At least one first mounting sub-beam connected to the vehicle frame is provided on the inner side frame of the first frame, and multiple first locking brackets for connecting to the vehicle frame are provided on the top surface of both ends and / or the middle of the first frame. At least one second mounting sub-beam connected to the vehicle frame is provided on the inner side frame of the second frame, and multiple second locking brackets for connecting to the vehicle frame are provided on the top surface of both ends and / or the middle of the second frame. The integrated design reduces the overall weight and the number of locking points, thereby reducing assembly complexity. Furthermore, the integrated structure, except for the mounting points and some technically required points, is formed by welding, allowing for better control of the dimensions of the mounting points through tooling, thus improving assembly accuracy.

The utility model relates to a printing device for a non-woven fabric screen printing machine, which comprises a support frame, a screen printing plate mechanism arranged on the support frame, a driving mechanism linked with the screen printing plate mechanism, and an ink scraping component arranged above the screen printing plate mechanism and arranged on the support frame. The two ends of the printing roller are rotationally installed on the rack, the end of the printing roller is in linkage with a power source assembly, and the power source assembly can drive the printing roller to rotate. The driving mechanism can drive the screen printing plate mechanism to reciprocate in the printing direction. The printing device for the non-woven fabric screen printing machine has the beneficial effects that the printing device for the non-woven fabric screen printing machine is suitable for single-color, double-color or multi-color printing modes and the like.

This utility model relates to the field of power cabinet technology, specifically disclosing an electrical installation structure for a power cabinet, including a power cabinet body and a support plate. Rails are fixedly installed on both sides of the front of the power cabinet body. The support plate is slidably engaged below the rails, and a wire trough plate is slidably engaged above the support plate. A wire groove is formed on one side of the wire trough plate, and a fixing block is fixedly installed inside the wire groove. A wire rod is rotatably connected to the surface of the fixing block, and a vertical wire plate is fixedly installed below the wire rod. A junction box is fixedly installed below the vertical wire plate. This electrical installation structure of the power cabinet allows for flexible adjustment of the wire trough plate position according to actual needs, facilitating the connection of wires to electrical components. When wiring is required for electrical components in different locations, simply sliding the wire trough plate allows the wire groove to be closer to the target electrical component, reducing wire bending and stretching, and lowering the difficulty of wiring and the risk of wire damage.

Provided is a radical-curable sealing member for fuel cells that has excellent product durability and suppresses changes in mechanical characteristics caused by heat and hydrolysis (such as reduced stretch and increased hardness caused by embrittlement). A sealing member 4 is a crosslinked product of a radical-curable composition that contains components (A)-(E), there being 0.1-10 parts by mass of component (B) per 100 parts by mass of component (A). (A) A polymer for fuel cell sealing members that has a radical-curable functional group and also has at least one of a urethane linkage and an ester linkage in the molecular chain thereof. (B) A carbodiimide compound that has at least one functional group selected from the group that consists of ether groups, aliphatic hydrocarbon groups that have at least 3 carbons, and alicyclic hydrocarbon groups. (C) A monofunctional (meth)acrylic monomer. (D) A polyfunctional (meth)acrylic monomer. (E) A radical polymerization initiator.

The utility model relates to a wire stripping machine wire inlet mechanism belongs to wire stripping machine technical field, including the fixed connection in wire stripping machine body outside mounting panel and the fixed connection in mounting panel one side support, the inside of support is provided with the feed mechanism for conveying cable that extends to its outside, the outside of mounting panel is provided with dust removal mechanism for carrying out the cleaning to dust. This wire stripping machine wire inlet mechanism, through the controller starts drive motor work and drives the conveyer wheel rotation, the conveyer wheel is driven by friction force and advances cable, simultaneously through synchronous belt transmission cooperation between transmission wheel and fan axle center on the driven wheel, makes fan and conveyer wheel synchronous rotation and produces suction, and the suction nozzle produces negative pressure, collects the dust on the surface of cable and passes through the connecting pipe and enters the collection box, and the dust is cleaned regularly through the movement collection board, effectively avoids the influence of dust to stripping process, improves stripping quality and efficiency, reaches the high advantage of stripping quality.

The flattening mechanism comprises a base, a discharging roller, a heating assembly and a feeding roller, supporting rods are arranged on the right side of the upper end face of the base, the discharging roller is arranged at the upper end between the two sets of supporting rods, a conveying belt is arranged on the outer surfaces of a plurality of sets of transmission rollers, a first motor is arranged on the outer side of one set of fixing plates, and a second motor is arranged on the outer side of the other set of fixing plates. The heating assemblies are arranged on the two sides of the upper end face of the conveying belt, the feeding rollers are arranged on the opposite faces of the upper ends of the bearing rods, and a second motor is arranged on the outer side of one bearing rod. According to the flattening mechanism for the splitting machine, the heating assembly is arranged, so that the flattening mechanism for the splitting machine has a heating effect, fabric can be heated, the fabric heated by the heating assembly is softer and is more easily cut by a cutter of the splitting machine, the cutting resistance is reduced, and the cutting precision and accuracy are improved; it is ensured that the size and the shape of the cut fabric meet the requirements, and the fabric can be effectively prevented from curling through heating and then flattening.

The invention discloses a power distribution and supply cable laying device and a use method thereof, and relates to the field of power equipment installation. The power distribution and supply cable laying device comprises a movable material carrying unit, and cable laying units are installed on the two sides of the movable material carrying unit; the movable material carrying unit comprises a sliding carrying plate, a rolling wheel piece, a self-line-outgoing supporting piece and a transmission piece. The self-line-outgoing supporting piece comprises a rotating shaft, an outer hexagonal rotating pipe, a pawl and a ratchet wheel. According to the power distribution and power supply cable laying device and the using method thereof, the height and the transverse distance of the cable laying unit are adjusted, then a traction machine drives the whole movable material carrying unit to move, rolling wheel pieces roll on the ground, and a transmission piece drives a rotating shaft to rotate synchronously, so that the whole sliding carrying plate moves forwards, and the cable laying efficiency is improved. And the rotating shaft drives the cable roller to actively rotate to release the cable, so that the traction of the cable is reduced, the cable is prevented from being damaged, and synchronous release and laying of a plurality of cables on brackets with different heights are realized.