109results about How to "Fixed tightly" patented technology

The utility model relates to the technical field of connectors, in particular to a sealed waterproof energy storage connector, which comprises a male seat and a female seat. The male seat comprises a first body; the first body is provided with a boss; the female seat comprises a second body; the second body is provided with an accommodating groove; the boss is inserted into the accommodating groove; a sliding ring is arranged in the accommodating groove in a sliding manner; a sealing ring is arranged at one end of the sliding ring; a first conical surface is arranged on the inner wall of the accommodating groove; a second conical surface is arranged on the outer wall of the boss; the sealing ring is movably arranged between the first conical surface and the second conical surface; a spiral groove is formed in the outer wall of the boss; the sliding ring is provided with a fixing pin. According to the utility model, the male seat and the female seat rotate relatively, and the sealing ring slides to a position where the space between the accommodating groove and the boss is small, so that the sealing ring can be tightly fixed between the accommodating groove and the boss, a user can conveniently fix the male seat and the female seat, and the damage to the sealing ring can be reduced.

The utility model discloses a high-temperature-resistant glass processing edging device which comprises a base, a shell is arranged above the base, the shell and the base are welded and fixed, a workbench is arranged on one side of the upper end face of the base, and a supporting seat is fixedly arranged on one side in the shell. The multi-shaft adjusting mechanism is arranged on one side of the supporting seat, the multi-shaft adjusting mechanism comprises a lifting seat, the lifting seat is slidably connected with the supporting seat, a first adjusting seat is installed on one side of the lifting seat, a second adjusting seat is installed on one side of the first adjusting seat, and the second adjusting seat is rotatably connected with the first adjusting seat; a driving seat is mounted below one side of the second adjusting seat, and the driving seat is rotationally connected with the second adjusting seat; and the rotating base is arranged in the middle of the upper end face of the workbench, a vacuum suction cup is fixedly installed above the rotating base, and the problem that grinding dead angles are likely to occur in the machining process of kitchen ware glass is solved.

The utility model discloses an adjustable knotless orthopedic ligament reconstruction internal implant, which belongs to the technical field of orthopedic implants and comprises a fixing plate, a fixing ring device and a fixing line, and a pair of first threading holes is arranged in the middle of the fixing plate; the fixing ring device comprises a fixing ring and a button fixing piece, the button fixing piece comprises a button body and a retaining ring located on the inner side of the button body, a second threading hole is formed in the retaining ring, a containing groove used for containing the button body is formed in the fixing ring, and a through hole allowing the retaining ring to penetrate out is formed in the bottom wall of the containing groove; the fixing line is wound in the first threading hole and the second threading hole to form a loop ring, the two ends of the fixing line penetrate through the bottom wall of the containing groove and then penetrate out of the containing groove from the side face of the containing groove, and clamping points used for clamping the two ends of the fixing line are formed between the containing groove and the button body. The device is high in tensile strength, accurate in ligament reconstruction positioning and good in fixing effect.

The invention provides a power transmission and transformation project disturbed area vegetation restoration method based on nutrient soil, which comprises the following steps: firstly, preparing nutrient soil from 20-30 parts by weight of organic soil, 50-70 parts by weight of original soil, 0.03 part by weight of a soil binder, 3-5 parts by weight of a water-retaining agent, 5-10 parts by weight of a compound fertilizer and 3-5 parts by weight of a microbial agent; turning over the disturbance area of the power transmission and transformation project, and compacting the prepared nutrient soil in the disturbance area; then preparing plant seeds including festuca arundinacea, ryegrass and cynodon dactylon; uniformly sowing plant seeds in the disturbance area; irrigating the disturbed area after sowing, so that the soil soaking depth reaches 5-10cm; according to the method, a good growth substrate can be provided for plant seeds through the prepared nutrient soil, the prepared plant seeds are matched with the prepared nutrient soil, protection of the coconut shred blanket is combined, the seeds can be prevented from being washed by rainwater before germination, and the germination rate is remarkably increased.

The invention discloses a polar plate for a water electrolysis hydrogen production electrolytic bath and the electrolytic bath, and belongs to the field of water electrolysis hydrogen production. Comprising a circular pole frame and a main pole plate, a plurality of liquid inlets are formed in the bottom of the pole frame, a plurality of liquid outlets are formed in the top of the pole frame, a plurality of main reinforcing ribs with different lengths are arranged on the main pole plate in the circumferential direction, and first flow channels distributed in the circumferential direction and second flow channels distributed in the non-circumferential direction are formed in the main pole plate through the main reinforcing ribs; and the straight line of the second runners at the left lower part and the right lower part of the main polar plate does not pass through the circle center of the main polar plate. And the width of the main reinforcing rib is the same as that of the first runner. And the main reinforcing ribs on the two side surfaces of the main polar plate are opposite to the first flow channels in position. The multiple main reinforcing ribs are distributed in a bilateral symmetry mode with the second flow channel in the vertical direction as the axis. According to the polar plate for the electrolytic cell for producing hydrogen by electrolyzing water and the electrolytic cell, the effects of uniform flow channels, low processing cost and low energy consumption can be achieved.

This utility model provides an easy-to-install toilet seat mounting component, relating to the technical field of toilet parts. It includes a screw, a locking seat, a locking element, a nut, and a stop block. The locking seat has screw holes at both its top and bottom. A screw is threaded through the surface of the screw hole near the top of the locking seat. The nut is located inside the locking seat, and a mounting groove is provided on one side of the locking seat. The nut is vertically positioned inside the locking seat and horizontally within the mounting groove. The nut is threadedly connected to the screw. A stop block is provided on the other side of the locking seat. The nut can be easily adjusted in direction within the locking seat and connected to the screw via the nut mounting groove, eliminating the need for complex operations and professional tools. The locking element is installed through an open groove and a retaining shaft, simplifying the installation process, reducing difficulty, and improving efficiency. Furthermore, the retaining shaft and nut retainer on the inner wall of the locking seat restrict the movement of the retaining shaft and nut, ensuring the stability of the installed component. The locking element cooperates with the stop block and rotates around the retaining shaft, ensuring a tight and reliable fixation of the toilet seat.

The utility model discloses a high-flow peristaltic pump, which belongs to the technical field of peristaltic pumps and comprises a driving motor, a shell, a hose and an extrusion mechanism, the extrusion mechanism is positioned in the shell, an output shaft of the driving motor penetrates through the shell and is connected with the extrusion mechanism, the hose is bent and embedded between the extrusion mechanism and the inner wall of the shell, and two ends of the hose penetrate out of the upper side of the shell; the extrusion mechanism comprises a gear shaft, a gear carrier and a plurality of driven gears, the gear shaft is installed in the center of the gear carrier, the driven gears are evenly distributed on the gear carrier along the axis of the gear shaft and meshed with the gear shaft, and the driven gears make contact with the hose. The driving motor directly drives the driven gears to extrude the hose, large-flow pumping is achieved, a traditional gear box is omitted, the structure is simple, cost is reduced, in addition, the semicircular clamping grooves slightly smaller than the outer diameter of the hose are used for clamping the hose, traditional clamping pieces are omitted, and the service life of the hose is prolonged. And when the hose is replaced, the length of the hose is not required, so that the hose is more convenient to replace.

This utility model discloses a docking device that facilitates disassembly and improves efficiency, belonging to the field of mechanical engineering technology. The device includes a lifting cylinder with two threaded mounting pipes threaded to one side. Each of the two threaded mounting pipes has a fixed pipe fixedly connected to one side. The docking assembly is equipped with oil pipes, enabling rapid docking and fixation of the oil pipes. This utility model achieves rapid positioning through the precise cooperation of the guide groove and locking block, and then achieves tight fixation by rotating the pull rod. The entire process eliminates the need for cumbersome bolt tightening or welding operations. Disassembly can be performed by reversing the operation for quick separation. Compared to traditional flange connections or welding structures, this saves a significant amount of disassembly and assembly time. By setting up the fixed pipe and sealing gasket, when the connecting pipe is squeezed towards the sealing gasket by the fixing block, the sealing gasket undergoes elastic deformation due to the force, filling the gap between the fixed pipe and the connecting pipe.

The invention relates to the field of climbing equipment, and discloses a light gecko ladder for climbing trees in mountainous regions, which consists of a detachable main ladder, a V-shaped tree leaning clamp and a foot fork. Most of the ladder is made of a hollow aluminum-magnesium alloy pipe; the detachable main ladder consists of two parts of main ladders, and can be detached and used according to specific working conditions; the V-shaped tree leaning clamp and the foot fork are specially used for mountain tree climbing operation, so that the tree climbing safety is improved; the pedal plates on the main ladder are foldable pedal plates and are asymmetrically and progressively arranged on the two sides of the main ladder at equal intervals. The multifunctional ladder can also be used as a life ladder and used on the muddy ground.

The utility model discloses a hand restraining and protecting structure for a critical patient, and relates to the technical field of medical care instruments. The protective sleeve is used for isolating and protecting the hand of a patient, the restraint strap is used for fixing the protective sleeve to the wrist of the patient, the protective sleeve is of a trumpet-shaped structure, and the small opening end of the protective sleeve is fixedly sewn or detachably connected with the restraint strap; a fixing band for binding the restraint strap on the wrist of a patient is arranged on the outer side of the restraint strap, and a hand limiting rope is fixedly connected to the outer side of the restraint strap. By arranging the protective sleeve, the fingers and the palm of a patient are covered and isolated, the situation that the patient scratches all around in a fuzzy consciousness or dysphoria state, and a monitoring data line and a medical instrument catheter are damaged is avoided, meanwhile, the trumpet-shaped protective sleeve also guarantees relative freedom of the fingers and the palm, and the problem of unsmooth ventilation does not exist; the protective sleeve is arranged to be of a specification-adjustable structure, so that the constraint protective structure can be adaptively adjusted according to the size of the hand of the patient, and the scene adaptability of the constraint protective structure is enhanced.

The present invention discloses a wearable lower limb exoskeleton rehabilitation robot, which belongs to the technical field of exoskeleton rehabilitation robots, and comprises a mobile base, on which a telescopic column is vertically mounted, a mounting crossbeam is mounted on the front side of the telescopic column, and an exoskeleton support leg is mounted on both sides of the lower end of the mounting crossbeam, respectively, and the exoskeleton support leg comprises an upper support leg and a lower support leg connected up and down, and a hip support assembly is mounted on the upper end of the upper support leg, and the hip support assembly comprises a hip support pad, and the hip support pad is located at the rear side of the upper support leg; a calf support assembly is mounted on the upper end of the lower support leg, and the calf support assembly comprises a calf support pad, and the calf support pad is located at the front side of the lower support leg. The present invention can conveniently bind the patient's lower limbs to the rehabilitation robot to avoid secondary injuries, and can improve the patient's training experience during training.

The utility model discloses a pressure sore prevention hat with an early warning function, which relates to the technical field of medical protectors and comprises a hat body, a soft cushion is connected to the inner side of the hat body, pressure sore prevention foam dressing is mounted on the hat body and the soft cushion close to the back of the head, and a pressure sensor is mounted in the pressure sore prevention foam dressing. One end of the movable bandage penetrates through the fixed box through the communicating groove, the communicating column and the elastic gasket can slide towards the movable bandage by rotating the shifting column until the position between the movable bandage and the fixed box is fixed, and when the tightness degree needs to be adjusted, the shifting column is rotated outwards, so that the elastic gasket can slide towards the position between the movable bandage and the fixed box. When the cap body is worn, abutting connection among the communication column, the elastic gasket and the movable binding band is loosened, the movable binding band is pulled, the length of the movable binding band extending out of the fixing box is adjusted, and then the shifting column is rotated inwards, so that the purpose of adjusting the wearing tightness degree of the cap body is achieved, and the wearing tightness degree of the cap body is also conveniently adjusted according to actual needs.

The utility model relates to the technical field of footwear production, in particular to a baking device for footwear production, which comprises a device shell, a driving motor and a support plate, an electric heating plate is arranged in the device shell, the driving motor is arranged at the upper end of the device shell, a rotating shaft is arranged in the device shell, and the support plate is arranged on the side surface of the rotating shaft. A side baffle is arranged at the upper end of the supporting plate, a fixed baffle is installed at one end of the supporting plate, a rotating stud is arranged in the other end of the supporting plate, an installation block is arranged on the outer side of the rotating stud in a threaded meshing mode, and a movable baffle is fixed at the upper end of the installation block. The positions of the fixed baffles and the movable baffles can be adjusted according to the sizes and shapes of shoes to adapt to different types of shoes, the influence of the baffles and the supporting plates on the baking effect can be reduced, and the baking efficiency is improved.

The utility model discloses a split type bucket elevator chain wheel, belongs to the technical field of bucket elevator chain wheels, and aims to solve the problems that a locking component is unstable in fixing effect and a plurality of locking components are low in operation and installation efficiency, the split type bucket elevator chain wheel comprises an outer ring and a main shaft, teeth are fixedly installed on the outer wall of the outer ring in a circumferential distribution mode, and an opening is formed in the surface of the outer ring. A circular rotating groove is formed in the middle of the outer ring; the outer ring, the opening, the rotating groove, the mounting piece, the positioning opening, the threaded groove, the main shaft, the mounting mechanism, the mounting groove, the extrusion spring, the limiting block and the positioning shaft are matched for operation, so that the outer ring and the main shaft can be quickly mounted, and the mounting efficiency of the outer ring and the main shaft can be further improved; and meanwhile, the positioning shaft and the interior of the positioning opening are arranged in a threaded mode, so that the positioning shaft can be further fixed, and the outer ring and the main shaft can be fixed more tightly.

The invention provides a combined electroencephalogram electrode plate, and relates to the technical field of electroencephalogram electrode plates, the combined electroencephalogram electrode plate comprises a head top sleeve, an elastic strap is fixed at the bottom of the head top sleeve, a second sleeve rod is movably mounted on the outer wall of the head top sleeve, and the bottom end of the second sleeve rod is movably sleeved with a second telescopic rod; a connecting block is fixed to the side, close to the middle of the head top sleeve, of the bottom end of the second telescopic rod, and a limiting bolt penetrates through one side of the outer wall of the bottom end of the second sleeve rod in a threaded connection mode. A servo motor is controlled to drive a threaded rod to rotate, so that a threaded sleeve block moves up and down on the outer wall of the threaded rod, a first telescopic rod is driven to stretch out and draw back in a first sleeve rod, meanwhile, the angle of the first sleeve rod is changed, a second sleeve rod is driven to rotate outside a head top sleeve, and the position of the bottom end of a second telescopic rod at the bottom is changed; and then the position of the connecting block is changed, so that the connecting block is attached to the head of the to-be-detected person, and the effect of being suitable for people with various head sizes is achieved.

The utility model discloses a novel conductive fabric auxiliary material pressure maintaining structure, which comprises a main body, a double-column ejector rod arranged below the main body, a polyurethane compression ring arranged below the double-column ejector rod, a gland guide limit arranged on the right side of the polyurethane compression ring, and a pressure maintaining positioning seat arranged below the gland guide limit, a gland lock hook is installed on the right side of the pressure maintaining positioning seat, a gland lock hook seat is installed on the gland lock hook, a gland lock hook shaft is installed on the gland lock hook seat, and an inner sinking screw is installed on the left side of the gland lock hook shaft. According to the novel conductive fabric auxiliary material pressure maintaining structure, the operation hole facilitates operation in the main body, the positioning hole improves the assembly precision, and device stability and function accuracy are ensured. The gland lock hook is connected through a second connecting hole, a second spring enables the lock hook to reset, operation convenience is improved, and the service life of parts is prolonged. A gland lock hook seat screw mounting hole is used for fixing, and a first connecting hole is used for strong connection to guarantee stability. A first spring of the double-column ejector rod provides elastic force to keep stable ejection, a polyurethane compression ring is in butt joint with a butt joint hole, and components are protected through material characteristics.

The utility model discloses a kind of soft magnetic material cutting chip recovery devices, belong to soft magnetic material processing technical field.This kind of soft magnetic material cutting chip recovery device, including drive assembly and separation component, separation component includes first half cylinder, the bottom of first half cylinder is equipped with second half cylinder, the inner wall of first half cylinder and second half cylinder is relatively installed with first half magnetic ring, the inner wall of first half cylinder and second half cylinder in located first half magnetic ring's side is relatively installed with second half magnetic ring, the inner wall of first half cylinder and second half cylinder in located second half magnetic ring's side is relatively installed with third half magnetic ring, the magnetism of first half magnetic ring is less than the magnetism of second half magnetic ring, the magnetism of second half magnetic ring is less than the magnetism of third half magnetic ring, the both ends of first half cylinder and second half cylinder are installed with opposite flange, one end of first half cylinder and second half cylinder is arranged feed inlet, first half cylinder and second half cylinder are arranged with suction pump in the end away from feed inlet.

The utility model relates to the technical field of concrete pouring formworks, and discloses an external corner reinforcing structure which comprises a formwork, a main keel, a vertical auxiliary keel, a tension bolt, a strip rod and a corner fixing mechanism. The vertical secondary keels are evenly arranged on the outer side of the formwork, and the main keels are perpendicular to the vertical secondary keels. The main keel is fixed with the template, and the main keel presses the vertical secondary keel; the main keels on the two sides of the external corner of the formwork intersect vertically, and the main keels on the two sides of the external corner of the bolt formwork are tensioned; the corner fixing mechanism is fixed to a main keel at the external corner of the formwork, and the strip rods are arranged on the two sides of the external corner of the formwork. The corner fixing mechanism comprises a base, a sliding block and a telescopic positioning part. The base is fixed to the main keel, and the sliding block is connected to the base in a sliding mode. The positioning part is arranged on one side of the base, the sliding block can press the strip rod, and the positioning part fixes the moving position of the sliding block; the problems that in the prior art, external corner connection of formworks is not tight enough, gaps exist, and the formwork expansion phenomenon is prone to occurring are solved.

The utility model discloses a sleeve for concrete square column construction, which relates to the technical field of square column construction and comprises a connecting sleeve, a sliding groove is arranged on the inner wall of the connecting sleeve, and limiting holes are arranged on the outer side of the connecting sleeve and on two sides of the sliding groove. Adjustable fixing assemblies which are arranged in an array mode and used for fixing the concrete square column are installed on the inner wall of the connecting sleeve, each adjustable fixing assembly comprises a two-way threaded shaft, the two-way threaded shafts are rotatably installed in the sliding grooves, and an adjusting hand wheel is fixedly installed at the end, extending to the lower end of the connecting sleeve, of each two-way threaded shaft; the two-way threaded shaft is in threaded connection with two sliding blocks, the sliding blocks are clamped in the sliding grooves in a sliding mode, the sliding blocks are in threaded connection with the two-way threaded shaft, a connecting piece is installed on the connecting sleeve, square columns of different specifications and sizes can be conveniently fixed through an adjustable fixing assembly, and the applicability is improved; the friction force between the fixing plate and the square column is increased through the anti-skid pad and the anti-skid block, and the square column is fixed more tightly.

This utility model discloses a double-sealed sterile sealing cap and a burlap sack, including an inner cap, an outer cap, and a sealing assembly between them. A first annular sealing ridge on the edge of the inner cap and a first annular sealing groove on the outer cap are press-fitted to form an inner cavity, and a sealing ring enhances the sealing performance. A second annular sealing ridge is provided on the edge of the outer cap, on which an annular airbag is embedded. Inflated through the air inlet, it forms a radial compression sealing structure, achieving an outer layer seal. The sealing assembly also includes a vacuum valve penetrating the outer cap, allowing vacuum evacuation of the container through the air vents in the inner cap. A locking assembly consisting of a pressing block, an elastic connecting strip, and a latch is provided on the top of the outer cap to further strengthen the seal. This sealing cap, through its double-sealing structure and the synergistic effect of vacuum sealing and airbag sealing, effectively ensures the sterility of the burlap sack, prevents contamination, and improves ease of use and stability, making it suitable for the stringent requirements of sterile packaging in the medical field.

The utility model belongs to the technical field of current transformer fixing devices, and particularly relates to a fixing device of a low-voltage metering current transformer, which comprises an upper fixing block, a lower fixing block, a fixing component and a bottom plate component. An upper fixing groove and an upper fixing hole are formed in the bottom of the upper fixing block. The lower fixing block is provided with a lower fixing groove and a lower fixing hole. The fixing assembly comprises a fixing bolt and a fixing nut. According to the fixing device of the low-voltage metering current transformer, the upper fixing block and the lower fixing block are matched, the upper fixing groove and the lower fixing groove coincide to form the fixing through hole, the current transformer can be tightly fixed, the four evenly-distributed fixing assemblies fasten the upper fixing block and the lower fixing block from multiple directions, and the fixing effect is good. The current transformer is effectively prevented from loosening and shifting due to external vibration or impact in the using process, the fixing stability is greatly improved, and the metering accuracy of the current transformer and the operation reliability of a power system are guaranteed.

The utility model discloses a hydraulic bend device which comprises a center box, a steel rail installation table is arranged at the top end of the center box, jacking bases are arranged on the surfaces of the two sides of the steel rail installation table, two guide rail grooves are formed in the edge of the top end of each jacking base, notches are formed in the surfaces of the inner sides of the guide rail grooves, and the top end of each jacking base is provided with a hydraulic cylinder. Bases are arranged on the surfaces of the top ends of the jacking bases on the inner sides of the guide rail grooves, hydraulic rods are arranged on the surfaces of the top ends of the bases, and fixed baffles are arranged on the edges of the top ends of the steel rail mounting tables. A series of structures are arranged, the die, the movable baffle and the fixed baffle are used in cooperation, a steel rail can be tightly fixed and cannot deflect during bending operation, the safety during steel rail bending is improved, the position of the steel rail does not need to be adjusted during steel rail bending through the hydraulic rod with the adjustable position, and the steel rail bending efficiency is improved. And the bending position can be adjusted, the bending angle controllability is high, operation is convenient and fast, the die disassembling step is simple, and the bending efficiency is improved.

The utility model relates to an easy sampling system of gypsum-based self-leveling mortar slurry and a pipe joint thereof, a feed port of a sampler is connected with a feed delivery pipe, the pipe joint comprises a middle rotating cylinder, two ends of the rotating cylinder are respectively and rotatably provided with a fixed connecting cylinder and a movable connecting cylinder, and the inner ends of the fixed connecting cylinder and the movable connecting cylinder extend into the rotating cylinder. A partition plate is arranged in an inner hole of the rotating cylinder at intervals, a communicating hole is formed in the partition plate, a sealing protrusion is arranged at the inner end of the fixed connecting cylinder, the sealing protrusion can cover the communicating hole, a matching plate is arranged at the inner end of the movable connecting cylinder in a sealing mode, the matching plate is matched with the partition plate in a sealing and rotating mode, and transition holes capable of being independently communicated with the communicating hole are formed in the matching plate. The outer end of the fixed connecting cylinder is fixedly connected with a fixed pipe head, the other end of the fixed pipe head is used for being connected with a sampled stock bin, and all the pipe bodies are fixedly assembled with the movable connecting cylinder and communicate with all the transition holes in a one-to-one correspondence mode. According to the utility model, the problem that slurry remained in the pipe body is dry and blocked and cannot be reused can be solved.

The utility model discloses a blister forming equipment for tray production relates to blister forming equipment technical field, the utility model discloses a work table, one side of work table top is provided with the fixing frame, the top of fixed frame inner chamber is provided with the upper die assembly, one side of work table surface is provided with the lower die assembly, and the bottom fixed connection of work table has the support frame, and the upper die assembly includes first electric push rod, and the telescopic axle fixed connection of first electric push rod has the connecting frame. The utility model effectively solves the problem of the traditional equipment natural cooling effect is not ideal, and the plastic tray is covered after forming the surface of the mould in the traditional mode, and the heat exchange is hindered to cause the slow cooling, and the utility model passes through the double cooling mechanism, and the air after cooling is sent into the upper die plate inner chamber to the blister part cooling through the fan, and the cooling liquid in the cooling liquid runner is used for cooling the lower die plate die cavity, and the heat dissipation speed is greatly accelerated, and the cooling efficiency is improved.

The utility model provides a pair of pincers for blind clamping of a sealed bottle without visual field, the sealed bottle is placed inside a lead pot, the pincers comprise a pincers body, the pincers body comprises a first pincers arm and a second pincers arm, the middle of the first pincers arm is rotatably connected with the middle of the second pincers arm, and the first pincers arm is provided with a first handheld end and a fixed end; the interior of the fixing cylinder is hollow, the two ends of the fixing cylinder are open, the outer wall of the top end of the fixing cylinder is connected with the fixing end, the first clamp arm is perpendicular to the central axis of the fixing cylinder, and the size of the fixing cylinder is matched with the size of the interior of the lead tank; the elastic clamping piece is detachably arranged at the bottom end of the fixing cylinder, the elastic clamping piece is perpendicular to the central axis of the fixing cylinder, a radial opening is formed in the middle of the elastic clamping piece, the size of the radial opening is matched with the size of the sealing bottle, and the elastic clamping piece is connected with the sealing bottle in a clamped mode through the radial opening. The pair of pliers for blind clamping of the sealed bottle without the visual field facilitates clamping of the sealed bottle and is not prone to falling off, and the working efficiency is improved.

The utility model discloses a wire resistance detection device, which comprises a bottom plate, the bottom plate is installed on external equipment, a tensioning mechanism is arranged on the bottom plate, and the tensioning mechanism comprises a moving mechanism, a pulling plate, a fixing sleeve, a limiting block, a fitting disc, a contraction mechanism, a clamping block, an elastic strip, a clamping sleeve, a rubber strip and a wire. The moving mechanism is connected to the pulling plate and the bottom plate in a matched mode, a limiting block is installed at the lower end of the fixing sleeve, a limiting groove is formed in the pulling plate, the limiting block is clamped in the limiting groove, the attaching disc is coaxially installed on the fixing sleeve, and the tensioning mechanism can effectively straighten and fix an electric wire. The mechanism allows an operator to apply proper tension to the wire by adjusting the position of the pulling plate, and ensures the straight state of the wire in the test process, so that the resistance measurement error caused by bending of the wire is reduced, and the repeatability and the accuracy of the test process are improved.

The invention discloses a self-repairing device for a cement pole composite insulating sheath with a structural curing agent. The self-repairing device comprises a cement pole; the FRP glass fiber reinforced ring pipe is arranged outside the cement electric pole in a sleeving manner, and the FRP glass fiber reinforced ring pipe and the cement electric pole are concentrically arranged; connecting structures are arranged at the two ends of the FRP glass fiber reinforcing ring pipe, each connecting structure comprises a connecting tooth head and a connecting tooth head which are matched with each other, the connecting tooth heads are fastened through mortise and tenon structures, and tooth openings are filled with structural adhesive to achieve seamless connection. According to the self-repairing device for the cement pole composite insulating sheath with the structural curing agent, the FRP glass fiber composite material is adopted, the weight is far lower than that of a traditional cement pole, the self-repairing device is conveniently carried by a worker to go uphill, and the construction difficulty is reduced; the old electric pole does not need to be disassembled, a sheath is directly arranged in a sleeving mode, repairing liquid is injected, hot-line work is achieved, and the influence of power failure is avoided.

A combined glass fiber reinforced plastic desulfurizing tower comprises multiple layers of tower sections which are combined and overlapped, each layer of tower section penetrates through the side wall and is provided with a mounting hole, the inner side of each mounting hole is provided with a manhole door plate, and the inner edge surface of each mounting hole is fixedly connected with a mounting cylinder; the outer end face of the manhole door plate is hinged to the inner wall of the mounting cylinder through a hinge piece, and the manhole door plate can rotate towards the interior of the tower section around a hinge point. The hinged piece is hinged to the manhole door plate, so that the manhole door plate can be opened towards the interior of the desulfurizing tower, a traditional outward opening mode is changed, on one hand, the force of workers for opening the door plate can be saved, the external space of the desulfurizing tower is saved, the working space of the workers during high-altitude work is enlarged, and operation of the workers is facilitated; and on the other hand, pollutants contaminated on the door plate cannot be exposed out of air, pollution to surrounding air is reduced, and influences on ground workers and ground cleanliness are avoided.