389 results about "Natural state" patented technology

The seamless continuously-formed knitted one-piece panty-hose comprises a first sock leg, a panty body and a second sock leg which are sequentially formed at a time. The pant body comprises a plain weave base layer formed by weaving basic yarns, and a floating thread weave and / or tuck weave plaiting layer formed by adding additional yarns on the base layer for weaving; and at least one part of the plaiting layer is a high-tension adjusting layer, so that the crotch part of the pants body presents a concave curved surface in a natural state. According to the obtained one-piece panty-hose, no seam is generated, and the problems that in the prior art, the seam affects the attractiveness and brings discomfort to a wearer are solved; due to the design of the high-tension adjusting layer, the problems of crotch falling, non-fitting and the like of the one-piece pantyhose are effectively solved; the product is further provided with a local tension reducing structure, so that the shape of the product is improved, and meanwhile, the product is more fit to wear.

The utility model provides an auxiliary device for sleeving a casing into a filling pipe, which comprises a curled film main body, the film main body is curled in a natural state to form a C-shaped tubular structure with a longitudinal opening, and horn mouth parts are arranged at two ends of the film main body. By arranging the curled film main body and utilizing the C-shaped tubular structure formed in the natural state, when the auxiliary device is sleeved into the filling pipe, the tubular film main body can form a temporary isolation layer between the casing and the filling pipe. And the chance that the casing is in direct contact with the port or the pipe wall of the filling pipe is reduced, so that the risk that the casing is damaged due to direct scratching is reduced, and the casing is protected. And the horn mouth parts arranged at the two ends of the film main body provide effective guidance for sleeving the auxiliary device into the filling pipe and subsequently sleeving the casing into the auxiliary device. Therefore, an operator can more easily align and place the auxiliary device at the port of the filling pipe, the alignment operation is simplified, and the smoothness of the sleeving process is improved.

The utility model belongs to cup taking device technical field, especially relate to a disposable cup taking device. A disposable cup taking device, include: cup body, its inside has the accommodating cavity, the top of cup body is equipped with with accommodating cavity's opening, cup support platform is movably established in accommodating cavity bottom, constitutes the bottom plate of accommodating cavity, and be configured as along the height direction of cup body slides to adjust the volume of accommodating cavity, elastic member, its setting in cup body, be used for to cup support platform provide the elastic thrust to opening direction, to continuously reduce the volume of accommodating cavity, and push disposable cup to opening direction movement, a plurality of elastic clamping jaw, it is configured to: in natural state elastic clamping the topmost disposable cup, to resist the thrust of elastic member makes opening area only topmost disposable cup exposes outside. The utility model has the advantages of more scene, better convenience.

The embodiment of the application provides a cleaning device and a control method thereof, and relates to the technical field of cleaning devices. The cleaning device comprises a machine body and a floor brush assembly; the floor brush assembly comprises: a mounting seat; a cleaning piece rotatably arranged on the front side of the mounting seat; and a front scraping strip arranged on the front side of the cleaning piece, the front scraping strip being capable of ascending and descending relative to the mounting seat. The front scraping strip comprises a first scraping part extending along the axial direction of the cleaning piece and a second scraping part extending laterally to the cleaning piece, and in a natural state, the bottom of the second scraping part is lower than the bottom of the first scraping part. The front scraping strip is configured to contact the second scraping part to the cleaning piece before the first scraping part contacts the cleaning surface when descending, so as to scrape the water on the side of the cleaning piece to the cleaning piece through the second scraping part when the floor brush assembly turns. Through the specific structure of the front scraping strip, the water stains on the cleaning surface can be scraped to the cleaning piece when the floor brush assembly is pulled backward and turns backward, so that the water stains are prevented from remaining on the cleaning surface, and the cleaning effect and the user experience are improved.

The utility model discloses a locking mechanism, a stamping storage battery bolt, a storage battery and a motor vehicle. The locking mechanism comprises a connecting piece and a locking hole formed in the connecting piece, a first clamping arm and a second clamping arm are arranged, and an abutting piece is installed between a bolt and the first clamping arm and between the bolt and the second clamping arm; an elastic piece used for keeping the separation trend of the bolt and the abutting piece is arranged between the head of the bolt and the abutting piece. The bolt sequentially penetrates through the elastic piece, the second channel and the first channel and is matched with the nut to be installed on the first clamping arm and the second clamping arm. The technical scheme has the advantages that the elastic piece is arranged between the head of the bolt and the abutting piece, the bolt and the abutting piece are normally separated by providing elastic force, so that rotation of the nut in a natural state cannot drive the locking mechanism to act, misoperation is prevented, and the locking mechanism can be locked only after the elastic force is overcome to enable the bolt to abut against the abutting piece. Locking can be effectively driven through rotation of the nut, and therefore reliable separation of a safe state and a working state is achieved.

The invention discloses a composite reinforcing method and device for a soft soil levee slope based on prestressed corrugated pile emergency support, and the method comprises the steps: investigating a to-be-reinforced levee slope and engineering geological conditions in an influence range of the to-be-reinforced levee slope, and obtaining investigation data; calculating by setting a slope stability analysis strategy to obtain a natural state safety coefficient; the state of the to-be-reinforced levee slope is judged, and a state result is obtained; according to a state result, a cement-soil mixing pile temporary construction platform, a composite reinforcing area, a prestress wave-shaped pile and a three-dimensional drainage system are designed; and performing construction preparation and reinforcement construction according to the design scheme. The problems of temporary emergency and permanent splitting, construction disturbance instability, high cost, river channel occupation, difficulty in considering efficiency and ecology and the like in the prior art are solved.

This application discloses a method and system for predicting reservoir bank landslides induced by reservoir impoundment based on the principle of refraction. The method includes: obtaining the natural slope angle above water in the natural state and the stable slope angle underwater in the saturated state of the target reservoir bank slope; introducing and calculating the refractive index to characterize the degree of difference between the natural slope angle above water and the stable slope angle underwater; the introduction of the refractive index is based on the understanding of landslide mechanisms: during reservoir impoundment, the water surface acts as an interface for abrupt changes in the physical and mechanical properties of the soil and rock mass, leading to a discontinuous reconstruction of the slope's stable morphology with the water surface as the boundary. The reservoir impoundment process follows the principle of mass conservation, and the actual inclination angle of the failure surface, instead of the natural slope angle above water, better reflects the mechanical state of the slope during instability; based on the value of the refractive index, the instability risk and progressive failure range of the target reservoir bank slope during reservoir impoundment are qualitatively or quantitatively predicted. This application improves the early risk identification and dynamic warning capabilities for reservoir bank landslides induced by impoundment.

The present application relates to a self-correcting connector, the self-correcting connector product is composed of a contact, a spring, a limiting piece, a plug, a base and a shell. In the natural state, the spring is not deformed, and no elastic force is generated. When the spring is placed in the limiting piece, the spring is deformed under pressure, the spring exerts an elastic force on the contact, and the plug limits the contact. At this time, an independent elastic assembly is formed. When the two ends or one end is inserted into the second conductor, the contact exerts sufficient positive force on the two end conductors to complete the conduction and realize current transmission. The self-correcting connector has the advantages of controllable clamping elasticity, improved reliability and reduced maintenance cost.

The application discloses an anti-skid air column bag and a manufacturing process thereof, relates to the field of article packaging, and aims to solve the problem that an ice layer is formed on the surface of the air column bag during cold chain transportation, and it is inconvenient for people to exert force and grab the air column bag. Technical scheme points are as follows: the bag body is provided with a plurality of air cavities one arranged in an array, an air inlet channel is arranged on one side of the bag body, air valve membranes are arranged between the air inlet channel and the air cavities one to be in communication with each other, elastic sheets are fixedly connected to the surface of the bag body at the air cavities one, the surface of the elastic sheet is a plane in a natural state of the bag body, the air cavities one are inflated to make the elastic sheet bent and form a plurality of protrusions on the elastic sheet after the bag body is inflated, the elastic sheet is pushed out to form the protrusions after the air cavities one are filled with air and inflated, and the protrusions of the plurality of elastic sheets can increase the contact friction between the palm and the bag body during the carrying process, so that the bag body is prevented from sliding in the palm.

The utility model provides a kind of planting device for obtaining root soil complex cohesion detection sample, including two identical shape shell, shell upper and lower ends are provided with opening, shell side is provided with multiple holes, when using, two shell are oppositely arranged and are connected, to make two shell form a whole, shell one end forms planting mouth, shell other end forms water permeable mouth, connector is respectively connected on planting mouth and water permeable mouth, the connector of water permeable mouth is provided with net body, planting groove is formed between two shell, planting substrate is filled in planting groove inner shell, plant grows on planting substrate.The utility model can effectively avoid the restriction to plant root system growth, make plant root system growth close to natural state, by the setting of both sides and upper and lower ends slot, the stability of planting structure is improved, avoid the damage to root soil complex in planting structure, greatly reduce the influence on test result.

The invention discloses a composite door and window with sound insulation and micro ventilation functions, and relates to the technical field of doors and windows. The window comprises a window assembly, a window frame assembly and an interlayer assembly annularly arranged between the window assembly and the window frame assembly. The interlayer assembly is provided with an inner side wall, an outer side wall and an inner cavity, the outer side wall is provided with an air inlet, the inner side wall is provided with an air outlet and a protruding piece, and the air outlet is covered with a petal piece so that sealing can be kept in the natural state. The window assembly is provided with a flexible belt, and the flexible belt is wound on the inner side wall of the interlayer assembly and connected with a sliding block. A sliding groove matched with the sliding block is formed in the window frame assembly. By sliding the sliding block, the flexible belt is tensioned and applies pressure to the convex piece, so that the inner side wall deforms, the deformation drives the petal piece to turn up through structural association, and therefore the air outlet is opened, and the micro-ventilation function is achieved. The micro-ventilation window is exquisite in structure, and controllable and quiet micro-ventilation is achieved while high sound insulation and sealing performance are guaranteed.

The invention discloses glass flatness inspection equipment and method, and relates to the technical field of inspection equipment, and the glass flatness inspection equipment comprises a workbench, a movable table, a measuring part, a partition plate and a baffle plate; a lifting part is arranged between the working table and the movable table; the measuring part is arranged on the top surface of the workbench in a sliding manner and is used for measuring the laser flatness; the multiple partition plates are evenly arranged on the top face of the movable table in parallel. The partition plate is perpendicular to the hinge shaft and located below the measuring component. The baffle is arranged on the top face of the movable table and is perpendicular to the partition plate. An air cavity is formed in the movable table, and air outlets are evenly distributed in the top face of the movable table. An air pump is mounted on one side of the movable table; the technical effects that the gravity deformation of the glass in a natural state or the inclination angle of an actual use scene can be simulated, and the adaptive scene is expanded are achieved.

The application discloses a low-tension cloth feeding frame device of a flatting, tentering and setting machine, and relates to the technical field of flatting and setting cloth.The device comprises a machine body, a mounting frame is fixedly connected to one side of the machine body, a finished cloth is arranged at one end of the mounting frame, and a plurality of auxiliary rollers are rotationally connected to the inner sides of the machine body, the mounting shell and the mounting frame respectively.The low-tension cloth feeding frame device of the flatting, tentering and setting machine disclosed by the application moves two adjusting plugs in the direction close to the adjusting motor by adjusting the motor, so that the adjusting plugs are away from one end of the elastic sheet provided with a roller.In a natural state, one end of the elastic sheet is close to the fixed rod, the roller is driven by the elastic sheet to slide in the sliding groove, so that the diameters of the two ends of the elastic sleeve are reduced, the diameter of the middle of the elastic sleeve is unchanged, the pressure between the finished cloth and the elastic sleeve is immediately changed by moving the adjusting plug driven by the adjusting motor, the stress of the two side edges of the finished cloth is quickly reduced, and the effect of preventing the finished cloth edges from being uneven due to excessive stress is achieved.

The application relates to a mobile grab hand of a modular shielding door, which comprises a main support, a positioning plate, an elastic rotation limiting component and a bolt component. The main support is connected with a first lug plate. The positioning plate is connected with a second lug plate. A rotating shaft simultaneously penetrates through the first lug plate and the second lug plate, so that the positioning plate can rotate relative to the main support around the rotating shaft, and the rotating shaft extends along the Z-axis direction. The elastic rotation limiting component is arranged between the main support and the positioning plate, and is used for limiting the rotation of the positioning plate relative to the main support in a natural state. The bolt component is connected to the positioning plate and is used for being inserted into a lifting hole of the shielding door. The application has the freedom of rotating around the Z-axis with flexibility and rigidity, can adapt to the error of the modular shielding door being not perpendicular to the Y-axis direction when being installed on a special tray, can adapt to the precision error of the modular shielding door when being simultaneously moved along the Y-axis direction, and can also adapt to the construction error of the foundation on which the modular shielding door is installed.

An elastic terminal ferrule includes an annular body, a limit structure formed on the annular body, and a mating limit structure formed on the annular body for mating with the limit structure. When the annular body is in a natural state without radial expansion, the limit structure and the mating limit structure are spaced apart from each other in a circumferential direction. When the outer diameter of the annular body is expanded to a predetermined value, the limit structure and the mating limit structure abut against each other in the circumferential direction to prevent further radial expansion of the elastic terminal ferrule.

The present application relates to a kind of film-covered stent and stent system, film-covered stent includes stent body, film and the several anchor thorn of being arranged on stent body, film covers stent body, the free end of anchor thorn is covered with detachable protective sleeve.Stent system includes the preceding film-covered stent, also include sheath, the inner diameter of sheath is greater than the outer diameter of stent body in natural state, the film-covered stent and stent system provided by the present application, by adding a detachable protective sleeve at the free end of anchor thorn, to avoid the risk that the free end of anchor thorn contacts and pierces the film that is stacked and mutually extruded during sheathing, to avoid the problem that the whole implant fails due to film damage.

The invention discloses a rotary flushing large-flow drainage floor drain, and relates to the technical field of drainage devices. The floor drain core body is provided with a plurality of water flow channels, the effective water passing area of the drainage floor drain is remarkably increased, meanwhile, the water flow channels extend spirally so as to guide water flow to enter in the tangential direction and form rotary flushing flow, the flow resistance can be reduced, the drainage speed can be increased, the inner walls of the channels can be self-cleaned, and the service life of the drainage floor drain is prolonged. The possibility of adhesion and deposition of sundries is reduced, and the anti-clogging performance is enhanced. The outlet sealing piece is arranged, and the outlet end face of the water flow channel is obliquely arranged relative to the axis of the floor drain core body, so that the floor drain turning plate can automatically reset by means of gravitational torque in a natural state and is tightly attached to the outlet end face, the sealing reliability is ensured, peculiar smells and pests in a sewer are prevented from escaping upwards, and indoor environmental sanitation is guaranteed. According to the drainage floor drain provided by the invention, the effects of large-flow drainage, reliable sealing and low maintenance requirements are achieved through the synergistic effect of all the components.

The present disclosure relates to an earphone, including: a sound-generating portion; an abutment portion; and an ear hook. The ear hook includes an elastic metal member. In a reference cross-section along a length direction of the ear hook and in a natural state of the earphone, the elastic metal member includes an elastic segment. The elastic segment is divided into a first sub-elastic segment and a second sub-elastic segment that are arranged in an arc shape and connected to each other. A curvature radius of at least a portion of the first sub-elastic segment starting from the connection point and a curvature radius of at least a portion of the second sub-elastic segment starting from the connection point gradually increase. A length of the first sub-elastic segment is greater than a length of the second sub-elastic segment.

The application provides a security protection system and a server, and the security protection system comprises a lock body, a lock core, a lock block, a locking mechanism, a lock control accessory, an error triggering mechanism and an error locking mechanism; a fixing cavity is formed in the lock body, the lock core, the lock block and the lock control accessory are located in the fixing cavity, a lock cavity extending along the front-rear direction is formed in the lock core, the opening of the lock cavity is located on the front surface of the lock core, the lock core is rotationally connected with the lock body along the front-rear direction, the locking mechanism is located on the rear side of the lock body and connected with the rear end of the lock core, the locking mechanism is used for switching the first device and the second device between the locked state and the unlocked state when the lock core rotates relative to the lock body along the front-rear direction; the lock block is sleeved on the outside of the lock core, and the error triggering mechanism is movably connected with the lock control accessory; the lock block and the lock core can provide the natural state station, the correct state station and the error state limit station for the lock control accessory through cooperation with the key. The application can improve the security protection level of the server.

This application relates to absorbent articles for pets and a method for manufacturing absorbent articles for pets, improving the fit of absorbent articles for pets. The absorbent article for pets has a main body having an elongated shape including a long side and a short side, and includes a surface sheet disposed on the skin side, a back sheet disposed on the non-skin side, and an absorbent body disposed between the surface sheet and the back sheet. The main body includes a low-elasticity region disposed at a position overlapping the absorbent body when viewed from the thickness direction of the main body, and a high-elasticity region disposed at a position not overlapping the absorbent body when viewed from the thickness direction of the main body. The low-elasticity region and the high-elasticity region are offset from each other in the long side direction. Each of the low-elasticity region and the high-elasticity region includes an elastic member providing elastic force in the long side direction. The shrinkage rate of the high-elasticity region in its natural state is higher than that of the low-elasticity region in its natural state.

A microphone device capable of reducing vibration from a camera. The microphone device includes a microphone main body including a microphone element collecting sound, an attachment portion attached to the camera, and a connecting portion connecting them. The connecting portion includes a shock absorber that mitigates transmission of vibration from the camera to the microphone main body and a cover that houses the shock absorber. The shock absorber includes a first fixed portion fixed to the attachment portion, second fixed portions fixed to the cover, and elastic coupling portions that couple the first fixed portion and the second fixed portions. Each of the coupling portions has a curved portion that has first and second surfaces that face each other on an inner side of the curved portion, are capable of approaching and separating from each other, and are separated in a natural state in which no external force is applied.

The invention discloses an efficient easy-recovery interventional catheter pump which comprises a blood pumping pipeline, a motor, an impeller, a support cage and a recovery pipe, the blood pumping pipeline is provided with an inlet pipe and an outlet pipe, and the motor is used for driving the impeller to rotate so that blood can be pumped into the blood pumping pipeline from the inlet pipe and flows out from the outlet pipe; the support cage is connected between the blood pumping pipeline and the motor, the support cage comprises a plurality of elastic support cage wires which are uniformly arranged and distributed at intervals in the circumferential direction, and the support cage wires are obliquely distributed relative to the central axis of the support cage; the impeller is arranged in the support cage and provided with a plurality of blades with elastic deformation capacity. The inner wall of the far end of the recycling pipe is evenly provided with recycling rails in one-to-one correspondence with the supporting cage wires in the circumferential direction at intervals, and the recycling pipe is used for being arranged on the support cage in a penetrating and sleeving mode so that the impeller and the support cage can be switched from the natural state to the recycling state. The impeller unfolding space and the effective acting area of the blades can be maximized, the blood pumping efficiency is improved, and the recycling operation difficulty is reduced.

The utility model relates to the technical field of chain measurement, in particular to intelligent numerical control chain pitch accurate measuring equipment, which comprises a measuring table, and a chain link positioning and stretching mechanism, a chain link measuring mechanism and a chain link body are mounted on the measuring table. The chain section positioning and stretching mechanism comprises two sets of U-shaped seats, the two sets of U-shaped seats are installed on the two sides of the measuring table by means of positive and negative tooth screws in a spacing adjustable mode, two sets of adjusting plates are arranged on each U-shaped seat, and the chain sections can be stretched to be in a straight state by arranging the chain section positioning and stretching mechanism. The method eliminates the influence of the bending and distortion of the chain in a natural state on the measurement result, enables the measurement equipment to accurately measure the actual pitch of the chain, greatly improves the measurement precision, can remarkably reduce the measurement error compared with a conventional measurement method, and provides more reliable data support for the production and quality control of the chain.

In some embodiments, a material comprises a contiguous block of chemically-modified wood infiltrated with an index-matching polymer. The contiguous block has a first section that is substantially transparent to light and a second section that is translucent or opaque. The first section can have a lower lignin content than the second section. Alternatively, the first section can have a chromophore state altered from that of the wood in its natural state, and the lignin in the second section can retain a chromophore state of the wood in its natural state. In some embodiments, a material comprises a section of wood chemically-modified such that chromophores of lignin within the wood in its natural state are altered or removed, and the section retains at least 70% of the lignin of the wood in its natural state. Methods for forming such materials are also disclosed.

The invention provides an internal support type perforated connecting piece, and relates to the technical field of hardware, the internal support type perforated connecting piece comprises a first clamping piece, a second clamping piece, a spiral spring and a bolt, the spiral spring has elasticity, the bolt comprises a nut and a screw, and the screw comprises an extrusion part close to one end of the nut and a thread part away from one end of the nut; the extrusion part is a spiral convex rib of which the outer diameter is larger than that of the thread part and the spiral direction is consistent with that of the spiral spring, the adjacent ring distances of the spiral convex rib are equal, and the thickness is gradually increased from the head to the tail; a stepped hole is formed in the first clamping piece and comprises a threaded section and a receding section, a penetrating hole with the same inner diameter as the receding section is formed in the second clamping piece, the threaded section is matched with the threaded part, the inner diameter of the receding section is larger than the outer diameter of the extrusion part, and the inner diameter of the receding section is smaller than the outer diameter of the spiral spring in the natural state. The inner support locking device has the advantages of good inner support locking effect, high dimensional precision and the like.

This utility model provides a self-locking fixture, including a base with a mounting cavity matching the workpiece body. The base has a first transverse through-groove, within which a slide rod slides. One end of the slide rod is connected to a connecting plate, and the connecting plate has a transversely arranged positioning pin. The base also has a positioning hole matching the positioning pin and communicating with the mounting cavity. Above the base is a slide seat with a second transverse through-groove. A guide rod slides within the second groove, with one end connected to a push block and the other end connected to a pressure block via a connecting rod. An elastic element is provided between the push block and the slide seat. This self-locking fixture can lock and unlock the workpiece body and its retractable parts, ensuring processing accuracy. Furthermore, the pressure block is in a locked state under spring action in its natural state, ensuring stable self-locking of the retractable parts. This self-locking fixture is convenient, quick, and has excellent performance.

The present application relates to the technical field of automatic assembly of inner sealing rings, and particularly relates to a magnetic shock-absorbing guider inner sealing ring automatic assembly device and method, which comprises a rack, a sorting unit, a feeding unit, a deformation unit and an assembly unit installed on the rack; the feeding unit transfers the sealing rings output one by one by the sorting unit to the deformation unit; the deformation unit deforms the circular sealing ring into a profile state with a smaller outer contour than that in a natural state and transfers it to the assembly unit; after the upper guider and the lower guider are transferred to one side of the deformation unit, the deformed sealing ring is assembled into the inner hole of the upper guider and the lower guider by the deformation unit; the automatic assembly of the inner sealing ring is realized by the assembly unit, the production efficiency is high, the sealing ring deformation quality is stable, the assembly failure rate is low, and the problems of high assembly failure rate and low production efficiency in the prior art are solved.

This invention relates to the field of medical device technology, and provides a biliary stent and its preparation method, comprising: a stent body, the stent body including a first structure and a second structure sequentially from one end to the other, the second structure including a channel body that maintains a spatial spiral in its natural state; the first structure including a first support ring and multiple first support wires; and a fixing structure, one end of the fixing structure being connected to the first support ring and / or multiple first support wires, and the other end being connected to the stent body, such that the multiple first support wires protrude outwards from the stent body, and the maximum diameter of the first structure is greater than the minimum diameter of the channel body; when the fixing structure loses its fixing function, the multiple first support wires are straight, and the average diameter of the first structure is smaller than the average diameter of the channel body. The biliary stent of this application solves the technical problems of stents in the prior art, such as easy displacement, easy breakage leading to large stent fragments, and difficulty in subsequent removal.

The utility model discloses a symmetrical hidden rotating shaft inward and outward opening hinge, which comprises a static hinge and a movable hinge, the movable hinge comprises a first hinge seat and a second hinge seat, one end of the first hinge seat close to the static hinge is provided with a concave cavity, a rotating shaft is arranged in the concave cavity, and one end of the static hinge close to the movable hinge is provided with a rotating shaft seat. After assembly, the rotating shaft seat is inserted into the concave cavity, so that the rotating shaft seat is hidden in the movable hinge, on one hand, water can be prevented from permeating into the rotating shaft, on the other hand, exposed parts are reduced, and attractiveness is improved. Besides, the second hinge seat is fixedly installed on the opposite side of the first hinge seat, a first face cover is installed on the front side of the first hinge seat in a sliding mode, a second face cover is installed on the rear side of the second hinge seat in a sliding mode, and in the natural state, the first face cover and the second face cover cover the outer side of the rotating shaft seat, so that a micro gap is formed between the static hinge body and the movable hinge body. And exposed parts are further reduced, so that the overall appearance is smoother and more attractive.

This utility model discloses an easy-to-install center anchor clamp for catenary cables, specifically relating to the field of railway electrical equipment technology. It includes a support frame with N-shaped grooves at both ends. Two arc-shaped blocks are rotatably mounted on the inner surface of the support frame, and a pressing bolt for pressing the arc-shaped blocks is threaded onto the outer surface of the support frame. This easy-to-install center anchor clamp for catenary cables employs a return spring design. In its natural state, the return spring keeps the arc-shaped blocks open, allowing for quick insertion of the catenary cable without additional tools, simplifying the installation process. During disassembly, simply loosening the pressing bolts causes the return spring to automatically release the arc-shaped blocks, facilitating inspection or repositioning of the catenary cable and significantly improving maintenance efficiency. The spacing of the mounting bracket can be adjusted using screws to adapt to different specifications of catenary cables and installation scenarios. The support frame and all components are made of weather-resistant materials, extending their service life.