22results about How to "Increase anchorage" patented technology

The invention relates to the technical field of battery materials, in particular to a polymer for reducing viscosity and improving solid content of secondary battery positive electrode slurry, a dispersing agent and a preparation method thereof. The polymer provided by the invention is relatively small in molecular weight, is integrally of a comb-shaped structure, and has excellent dispersion and stability; the polymer contains a benzene ring and a five-membered ring, so that steric hindrance can be formed, the agglomeration of active substances is hindered, and the dispersion stability of slurry is improved; the polymer contains carboxyl, so that the polymer has an excellent anchoring effect; a polyether structure is also contained, so that an excellent wetting effect is achieved; when the dispersing agent is applied to lithium battery positive electrode slurry, viscosity can be reduced, solid content can be improved, then the addition amount of NMP can be reduced, and the problems of environmental pollution caused by addition of a large amount of NMP, cost increase of waste liquid treatment and the like can be well solved.

A recoverable constant-resistance large-deformation anchor rod structure comprises an anchoring section, an anchoring agent cartridge, an anchoring section conical head and an anchor rod, the anchor rod comprises an I-type anchor rod section and an II-type anchor rod section, and the I-type anchor rod section and the II-type anchor rod section are connected through an anchor rod body connecting sleeve. When a rotary connector of the sleeve pushing rotary rod rotates, the anchor rod body is driven to be connected with the sleeve, the I-type anchor rod section and the II-type anchor rod section. An octagonal sleeve upper connecting section of the anchor rod body connecting sleeve is connected with an II-type anchor rod section through threads on the inner wall of the octagonal sleeve upper connecting section, an octagonal sleeve lower connecting section is fixedly connected with an I-type anchor rod section through threads on the inner wall of the octagonal sleeve lower connecting section, and a middle separating section is used for separating the octagonal sleeve upper connecting section and the octagonal sleeve lower connecting section. The recyclable anchor rod can be recycled through disassembly and assembly after engineering is completed, the requirement for raw materials is reduced, sustainable utilization of resources is facilitated, the adverse effect on the environment is reduced, the recyclable anchor rod has high flexibility and can adapt to different engineering requirements, and due to the fact that the installation process of the recyclable anchor rod is relatively safe, the use risk is reduced.

The utility model provides an abutted seam joint of a fully-prefabricated floor slab and a wallboard. The splicing joint of the fully-prefabricated floor slab and the wall plate comprises a first connecting steel bar, a second connecting steel bar and a lap joint steel bar, a first mounting groove is formed in the side, close to the floor slab, of the wall plate, a second mounting groove is formed in the side, close to the wall plate, of the floor slab, and the first mounting groove communicates with the second mounting groove; one end of the first connecting steel bar extends into the wall plate, the other end of the first connecting steel bar is located in the first mounting groove, one end of the second connecting steel bar extends into the floor plate, the other end of the second connecting steel bar is located in the second mounting groove, and the first connecting steel bar and the second connecting steel bar are connected through the lap joint steel bar. And concrete capable of covering the first connecting steel bars, the second connecting steel bars and the lap joint steel bars is arranged in the first mounting groove and the second mounting groove. According to the utility model, the working procedures of on-site formwork erecting, dismantling and supporting are reduced, the construction difficulty is reduced, and the construction efficiency is improved.

The utility model discloses a stair corner protection system, which relates to the technical field of building construction and comprises an anti-skid aluminum folded plate, a lower protection aluminum plate is fixedly arranged at the bottom end of one side of the anti-skid aluminum folded plate, the anti-skid aluminum folded plate and the lower protection aluminum plate are respectively arranged at the intersection of a stair tread layer and a stair side surface layer, an anti-skid mechanism is arranged at the upper end of the anti-skid aluminum folded plate, and the lower protection aluminum plate is arranged at the lower end of the anti-skid aluminum folded plate. The anti-skid aluminum folded plate, the lower protective aluminum plate and the groove are integrally formed, so that machining is facilitated, the anchoring annular aluminum plates are welded to the inner side of the anti-skid aluminum folded plate and the inner side of the lower protective aluminum plate, the anchoring annular aluminum plates are anchored in the mortar layer, and therefore the anti-skid aluminum folded plate and the lower protective aluminum plate can be fixed to the lower protective aluminum plate, and the anti-skid aluminum folded plate and the lower protective aluminum plate can be fixed to the lower protective aluminum plate. Meanwhile, a plurality of grooves are formed in the anti-skid aluminum folded plate, so that the anti-skid aluminum folded plate not only has an anti-skid function, but also has an external corner protection function, and the lower protection aluminum plate mainly has a protection function.

This utility model discloses a waterproof picnic mat for outdoor leisure, belonging to the technical field of outdoor picnic mats. It includes a picnic mat body with a multi-layer composite structure, comprising, from bottom to top, a bottom anti-slip layer, a support layer, an activated carbon layer, a cushioning layer, a protective layer, and a surface layer. The lower surface of the bottom anti-slip layer has multiple biomimetic nipple structures. The support layer adopts a modular splicing structure, composed of two long boards and two short boards. The bottom anti-slip layer and the support layer are connected by a detachable connection structure. Quick-fixing components are also provided at the four corners of the picnic mat body. This utility model, through the combination of a detachable support layer, an auxiliary anti-slip layer, quick-fixing components to further improve the fixing effect, and the activated carbon layer, cushioning layer, protective layer, and surface layer, significantly improves the picnic mat's anti-slip properties, stability, portability, and maintainability, making it suitable for various outdoor terrains such as grass and sand.

The present invention discloses an outer sleeve of a spring isolator, comprising a sleeve body, a plurality of axial slideways are arranged on the wall of the sleeve body, and the plurality of slideways are arranged along the circumference of the sleeve body; the slideway comprises a lifting portion and a limiting portion, the lifting portion is communicated with the upper end opening of the sleeve body, a plurality of wedge-shaped first protrusions are axially arranged in the lifting portion, and the plurality of first protrusions are arranged in parallel and equidistantly, covering the lifting portion. It also comprises a plug block, the plug block and the first protrusion are wedge-matched, so that the plug block is arranged on the lifting portion to form a supporting surface, and the plug block can be removed after the lifting work is completed. The fixed support structure of the prior art avoids the situation of failure damage due to force. By setting the distance between the first protrusion and the second protrusion, the waste of adjusting gasket material can be avoided.

According to the stability evaluation method of the geocell grid structure provided by the invention, the grid structure is provided with the reinforced net in each geocell unit, and the reinforced net is connected with the peripheral wall of the geocell unit, so that the reinforced net forms relatively strong traction and constraint capabilities on the peripheral wall of the geocell net after being unfolded and used; meanwhile, the reinforced net also has the restraining capacity on the filler in the geocell units and serves as a fixing structure for growing plant roots, the plant fixing force is improved, and the stability evaluation coefficient of the geocell net is further calculated by comprehensively considering contribution data of all related parameters of the reinforced net, so that the stability evaluation accuracy of the geocell net is improved. According to the relation between the stability evaluation coefficient of the geocell network and the overall stability of the grid structure, a mapping function is established to calculate the overall stability M of the geocell network, and then the technical effects of the anti-scouring capacity, the overall strength and the service life of the geocell network are fully guaranteed.

The invention relates to the technical field of anchor rods, and provides an anchor rod drawing test device and a pipe seam type anchor rod, the anchor rod is provided with an anchoring hole, the side wall of the anchoring hole is provided with a first gap, the inner wall of the anchoring hole is provided with an inverted conical protrusion, a reinforcing rod is arranged in the anchoring hole, the reinforcing rod is provided with an inner cavity, and the side wall of the inner cavity is provided with a second gap. The outer wall of the reinforcing rod is provided with a conical protrusion, and the conical protrusion abuts against the inverted conical protrusion. By means of the technical scheme, the problem that in the prior art, connection of a pipe seam type anchor rod is not firm is solved.

The utility model provides a prestressed carbon fiber cloth anchoring device. The prestressed carbon fiber cloth anchoring device comprises an anchoring mechanism arranged on a beam body, and the anchoring mechanism comprises a first mounting plate, a second mounting plate, a movable plate, a carbon fiber cloth body, two screws and two resistance strain gauges; the two screw rods are installed on the beam body, the two resistance strain gauges are installed on the two screw rods respectively, the first installation plate is installed at the bottom of the beam body, the second installation plate is installed at the bottom of the beam body, and the first installation plate and the second installation plate are distributed in a bilateral symmetry mode; the movable plate is installed at the bottom of the beam body and located between the first installation plate and the second installation plate. The prestress carbon fiber cloth anchoring device is high in installation speed, high in testing efficiency, excellent in anchoring performance and capable of making full use of the high-strength performance of the carbon fiber cloth. When prestress is applied, a stress and deformation double-control technology can be achieved, the prestress can be accurately controlled, and it is guaranteed that the high-strength performance of the carbon fiber cloth is fully exerted.

The utility model provides a novel invisible orthodontic appliance for integrally adducting anterior teeth in a tooth extraction case, which comprises a bracket-free invisible orthodontic appliance body, the thickness of a rear tooth area of the bracket-free invisible orthodontic appliance body is increased by 0.1-0.25 mm on the basis of the original uniform thickness, the thickness of a distal surface of a second molar is increased by 0.15-0.25 mm, and the thickness of the rear tooth area of the bracket-free invisible orthodontic appliance body is increased by 0.1-0.25 mm on the basis of the original uniform thickness of the bracket-free invisible orthodontic appliance body. According to the bracket-free invisible orthodontic appliance body, a falling prevention piece is designed at a tooth extraction position of the invisible orthodontic appliance, the falling prevention piece is wider in a position close to an occlusal surface and narrower in a position close to a gum, and the size of the falling prevention piece is matched with the change of a gap of the tooth extraction position. According to the application, the back tooth area is thickened on the basis of the original uniform thickness, and the distal surface of the second molar is thickened, so that the anchorage of the back tooth area can be enhanced, and meanwhile, as for the inclination of adjacent teeth in the tooth extraction gap, the anti-collapse piece which is wider in the position close to the occlusal surface and narrower in the position close to the gum is designed at the tooth extraction position; therefore, when the dental crowns of the adjacent teeth on the two sides incline towards the tooth extraction gap, the anti-tilting piece can generate an inclination resisting effect. According to the invention, through the optimal design of the accurate non-uniform thickness, the correction efficiency of the tooth extraction case can be improved.

The present invention discloses a double pressure-equalizing quick anchor and its construction method. It comprises an anchor body, an anchor tube body sleeved on the anchor body, and a pressure-equalizing tray. An anchoring component is provided at the inner end of the anchor body located inside the rock body, a sealing fastener is provided at the exposed end, a grouting adjustment coupling nozzle is fixed at the exposed end of the anchor tube body, two groups of grouting outlets are provided at one end of the anchor tube body located inside the rock body, a grouting stop component is provided at a distance of 50-400mm from the grouting adjustment coupling nozzle, and the pressure-equalizing tray is sleeved on the anchor tube body close to the grouting adjustment coupling nozzle. The present invention overcomes the defects of the existing anchors, such as inconvenient anchoring agent construction, inconvenience in assembling multiple components, unreliable grouting stop structure, insufficient grouting fullness, difficulty in cleaning grouting equipment, and lack of adaptability to a wide range of deformation.

The utility model is applicable to the field of oral medical instruments, and provides an orthodontic appliance, which comprises a palatal arch, a base plate mounted on the palatal arch and two bands capable of being respectively mounted on two molar teeth in the oral cavity, an insertion opening is formed in one side of the belt ring, and a fixing base is arranged on the side, opposite to the insertion opening, of the belt ring; the two ends of the palate arch are inserted into the insertion openings of the two belt rings respectively and then are connected with the insertion openings in a welded mode. Therefore, by optimizing the shape and the size of the palatal arch and the mode that the palatal arch and the insertion hole of the belt ring are welded after being inserted, stimulation of the appliance to soft tissues on the tongue side and in the oral cavity is reduced, and the comfort level of a patient is improved. Meanwhile, the anchorage effect of the molar is enhanced, and movement, torsion or inclination torque loss of the molar in the correction process can be prevented.

The invention relates to the technical field of reinforcing steel bar machining, in particular to a rolling device for producing three-face ribbed reinforcing steel bars, which comprises a base and three rolling units, each rolling unit comprises a motor driving assembly, a bearing seat, a bearing, a transmission shaft and a roller, the bearing is mounted in the bearing seat, the transmission shaft coaxially penetrates through the bearing and the roller and is fixed with the roller, and the motor driving assembly drives the transmission shaft to rotate. The motor driving assembly drives the rollers to rotate through the transmission shaft to roll ribs on the surfaces of the steel bars. The included angle between the axes of any two adjacent rollers is 120 degrees, and a rolling channel is formed among the three rollers. According to the rolling device, the motor driving assembly is adopted to drive the roller to conduct active transmission, a bearing in a traditional process technology is moved out of the inner center of the roller, a bearing and a transmission shaft with larger sizes can be configured, larger rolling force can be borne, the geometric size of a steel bar rolled by the rolling device is more accurate, the shape of a rolled crescent rib is fuller, and the service life of the steel bar is prolonged. The concrete anchoring performance is good, the concrete bearing capacity is large, and the building quality is effectively guaranteed.

The invention relates to a water-saving fabric printing and dyeing method which comprises the following steps: a pretreatment stage: soaking a fabric in a solution containing a pretreatment agent, stirring for 30-40 minutes at 40-50 DEG C for desizing treatment, washing the fabric with clear water after the treatment is completed, removing the residual pretreatment agent, and naturally air-drying; a modification stage: putting the pretreated polyester fabric into a first modification liquid, oscillating for 20-30 minutes, drying, putting the fabric treated by the first modification liquid into a second modification liquid, heating for 60-70 minutes at the temperature of 50-70 DEG C, taking out, and naturally air-drying to obtain the modified polyester fabric; in the dyeing stage, the modified fabric is soaked in dye liquor to be dyed; and a washing stage: immersing the dyed fabric in deionized water, stirring or gently scrubbing for 10-20 minutes at room temperature, and then naturally air-drying. The invention discloses a water-saving printing and dyeing method for fabrics, and aims to realize an efficient, water-saving and environment-friendly printing and dyeing process.

The utility model discloses an anchorage nail traction device, and relates to the technical field of medical instruments. The anchorage nail traction device comprises a nail body, a rope body and a traction hook; the nail body is used for being implanted into an alveolar bone; the middle part of the rope body is lapped on the side wall of the tail end of the nail body, and two sections, crossing the side wall of the nail body, of the rope body are mutually wound to form a spiral part for binding the rope body on the nail body; the tail of the traction hook is fixedly connected with the two ends of the rope body at the same time. The traction hook is used for hooking a traction piece. According to the anchorage nail traction device, the spiral part is formed through the rope body, the rope body can be rapidly connected with the nail body conveniently, the traction hook is arranged on the rope body and connected with the traction piece, rapid connection and separation of the nail body and the traction piece are achieved, the phenomenon that the rope body is connected with a binding head is reduced, and the anchorage nail traction device is simple in structure and convenient to use. And adhesion with the internal mucosa of the mouth of the patient is avoided, smooth proceeding of subsequent treatment work is ensured, and the treatment pain of the patient is reduced.

The utility model provides a miniature steel pipe pile supporting device which comprises a miniature steel pipe pile inserted into a drill hole, a clamping groove is formed in the side wall of the miniature steel pipe pile, a semicircular anchor plate is hinged to the interior of the clamping groove, a sliding groove is formed in the anchor plate, an adjusting rod is arranged in the miniature steel pipe pile, and a connecting rod is fixedly connected to the lower end of the adjusting rod. The two ends of the connecting rod are fixedly connected with pin columns clamped with the corresponding sliding grooves. The adjusting rod moves downwards to drive the anchor plate to turn outwards, and the anchor plate is embedded into concrete, so that anchoring of the micro steel pipe pile and the concrete is improved.

The invention discloses an expansion shell anchor for soft rock, comprising an expansion shell and an anchor rod, wherein the two ends of the expansion shell are respectively provided with an expansion shell inner wedge and a conical top block, wherein the expansion shell inner wedge and the expansion shell top, the conical top block and the expansion shell bottom all form sliding contact; the anchor rod comprises an anchor rod body, wherein one end of the anchor rod body is fixedly installed with a screw rod through a connecting sleeve, the screw rod and the expansion shell inner wedge are connected through threaded transmission, the top of the connecting sleeve is embedded in the conical top block and presses the supporting flange of the conical top block; the anchor rod is rotated to drive the expansion shell inner wedge and the conical top block to move into the expansion shell until the supporting flange of the conical top block breaks, so that the expansion shell piece is deformed and expanded outward to the surrounding rock hole wall to apply prestress to the rock mass; meanwhile, a construction method of the expansion shell anchor for soft rock is also provided. The invention has low cost, good anchoring effect, high construction efficiency, and can be well applied to soft rock formations.

The invention discloses an expansion anchor bolt, which is a fastening connection element commonly used in the building field, and comprises a screw rod and an expansion piece which are matched for use, and a rubber gasket and a flat gasket which are sleeved on the screw rod and are used between the screw rod and the expansion piece, the outer diameter of the rubber gasket is smaller than that of the flat gasket, and when the screw rod is correctly screwed to the preset torque, the rubber gasket is extruded and deformed till the outer diameter is equal to that of the flat gasket. The rubber gasket and the flat gasket are additionally arranged between the screw rod and the expansion piece, so that the degree of screwing the screw rod into the expansion piece is judged, scientific guidance can be provided for workers in actual use, the screw rod is ensured to be correctly screwed to a preset torque, the expansion piece can effectively expand and is firmly fixed on a base material, a good anchoring structure is formed, and the service life of the expansion piece is prolonged. Failure installation caused by too large or too small torque is avoided.

A kind of terminal post structure of film capacitor, belong to electrical component technical field.The film capacitor includes shell, and the potting layer is potting in the potting cavity;Positive busbar and negative busbar are fixed in the upper portion of potting layer by potting layer, terminal post structure includes positive terminal post and negative terminal post, it is characterized that: the lower end of positive terminal post and around the surface of four around positive terminal post is formed as positive terminal post potting layer anchoring reinforcement surface, the lower end of negative terminal post and around the surface of four around negative terminal post is formed as negative terminal post potting layer anchoring reinforcement surface, the lower end of positive terminal post and negative terminal post is anchored with the potting layer by the positive terminal post potting layer anchoring reinforcement surface and negative terminal post potting layer anchoring reinforcement surface respectively.Advantages: can make positive terminal post and negative terminal post and potting layer present excellent anchoring effect, guarantee pressure resistance performance and moisture resistance performance, so that the service life of film capacitor can be reliably guaranteed.

The structural formula of the silane anchoring agent is shown in the formula I. n is an integer and is larger than or equal to 1 and smaller than or equal to 10. R1 represents a methyl group, a hydroxyl group, a methoxyl group or an ethoxyl group; r2 represents hydrogen, methyl or ethyl; r3 represents a [gamma]-(2, 3-epoxypropoxy) propyl group or a [beta]-(3, 4-epoxycyclohexyl) ethyl group; r4 represents hydrogen, a methyl group, an acetoxy group, or # imgabs0 # R5 represents a vinyl group, an allyl group, or an alkene butyl group. The anchoring agent disclosed by the invention is a silane polymer of which the side group contains more epoxy groups, and is of a low-branched and non-excessive cross-linked structure, so that a good anchoring effect can be achieved. Different from physical blending, an epoxy group and an alkenyl group in the silane anchoring agent disclosed by the invention are both in a molecular chain of a polymer, so that the silane anchoring agent has relatively good compatibility with a pressure-sensitive adhesive system and a release agent system; meanwhile, the problem of pungent smell existing in a small-molecule anchoring agent is solved.

The utility model relates to the technical field of medical instruments, in particular to a combined parallel guide Nand support anchorage appliance which comprises a resin base support, a resin palate support, a steel wire buckle, a first steel wire, two orthodontic belt rings and a second steel wire, the two ends of the resin base support are symmetrically arranged, the resin base support is fixedly connected with teeth through the steel wire buckle, the number of the orthodontic belt rings is two, and the steel wire buckle is connected with the second steel wire. The two orthodontic bands are arranged at the rear ends of the two sides of the first steel wire respectively, the orthodontic bands are fixedly connected with the first steel wire through steel wire buckles, a second steel wire is fixedly connected between the orthodontic bands, and the middle section of the second steel wire is fixedly connected with the resin palate support. The resin base support is used as a plane guide plate. When the orthodontic palate support is worn, anterior teeth of a lower jaw bite a guide surface, the occlusal teeth are lifted to separate, the height and sagittal relation of a maxillofacial region are improved, the orthodontic band fixes tooth positions, the resin palate support is in contact with a hard palate, the posterior teeth are prevented from moving forwards, the steel wire is used as a lever to bear supporting force, and the buckle is adhered to the teeth. The distance between teeth is adjusted by adjusting the distance between the buckle and the steel wire.

The present invention provides a tunnel composite anchor and a surface anticorrosion treatment method thereof. The tunnel composite anchor of the present invention comprises a solid rod body, a pad, a grease injection tube, a nut, a hollow rod body, a grouting tube, a connecting tube and a self-anchoring anchor head. The solid rod body comprises a mounting end and a connecting end, and a pad and a nut are sequentially sleeved and installed on the mounting end; a first mounting hole and a second mounting hole are provided on the pad; the grease injection tube comprises a first end and a second end, and the first end is installed on the pad; a third mounting hole is provided on the connecting tube, and the connecting tube comprises a third end and a fourth end, one end of the grouting tube is connected and installed on the third end, and the connecting end is threadedly installed on the third end; the self-anchoring anchor head comprises a mounting portion and a flaring portion, and the flaring portion is flared in the direction of the pad, one end of the hollow rod body is threadedly installed on the fourth end, and the other end of the hollow rod body is threadedly installed on the mounting portion. The tunnel composite anchor of the present invention has a stronger anchoring force with the surrounding rock and the grouting mortar.