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66results about How to "Avoid deformation damage" patented technology

Automatic deburring equipment suitable for flexible gear and rigid gear

The automatic deburring equipment comprises a tooth root grinding device and a tool positioning device, the tool positioning device comprises a first clamp assembly, the first clamp assembly comprises a clamp base, a positioning block and a locking structure, and a protruding column is arranged at the upper end of the clamp base in a protruding mode; the positioning block is placed in a sleeve hole of a second flexible ring sleeve of the second flexible gear structure, so that the second flexible ring sleeve is supported on the outer circumferential wall of the positioning block, the positioning block is provided with a convex rod in a protruding mode, the convex rod is inserted into an open hole of a convex column, and a spring of the locking structure is located in a containing groove and forces a convex bead of the locking structure to move towards the open hole; the convex beads abut against the peripheral walls of the convex rods, and the multiple clamping jaws are used for clamping any one of the rigid wheel and the clamp base. According to the automatic deburring equipment, deburring treatment can be conducted on flexible gears and rigid gears of different models, the application range is wide, universality is high, deformation damage to workpieces can be avoided in the deburring treatment process, and the machining precision is improved.
Owner:重庆和氏智能科技有限公司

Multifunctional measuring tool for building detection

The utility model relates to the technical field of measuring tools, and provides a multifunctional measuring tool for building detection, which comprises an upper connecting piece and a lower connecting piece, a square mounting groove is formed in the lower connecting piece, a first through hole is formed in the inner upper side wall of the square mounting groove, a circular mounting groove is formed in the upper connecting piece, and a second through hole is formed in the lower side wall of the circular mounting groove. A second through opening is formed in the inner lower side wall of the circular mounting groove, a sliding hole is formed in the inner upper side wall of the circular mounting groove, a sliding rod is slidably connected into the sliding hole, a positioning gear is connected to the bottom end of the sliding rod, a connecting rod is connected to the bottom end of the positioning gear, and a square block slidably connected with the square mounting groove is connected to the bottom end of the connecting rod; and a reset spring is arranged between the square block and the inner lower side wall of the square mounting groove, and an inner gear ring meshed with the positioning gear is arranged on the inner side wall of the circular mounting groove, so that when the adjusting angle is too large, the reset spring is prevented from being twisted and deformed, and the purpose of prolonging the service life of equipment is achieved.
Owner:NANJING XINSHENG CONSTR ENG QUALITY INSPECTION CO LTD

Assembly tool for vacuum arc-extinguishing chamber assembly of pole-mounted circuit breaker

ActiveCN224138050UImplement automatic assemblyReduce labor intensityElectric switchesSilicon rubberArc extinction
The utility model discloses an assembly tool for a vacuum arc extinguish chamber assembly of a pole-mounted circuit breaker, and belongs to the field of pole-mounted circuit breakers, the assembly tool comprises a base, a positioning assembly, a supporting assembly, a limiting assembly and a push-pull assembly, the positioning assembly is arranged on the base, the supporting assembly and the positioning assembly are correspondingly arranged at an interval, the limiting assembly is arranged on the push-pull assembly, and the push-pull assembly is arranged on the base. And the push-pull assembly is used for driving the vacuum arc-extinguishing chamber assembly to extend into or retreat from the insulating part. According to the utility model, the push-and-pull assembly drives the vacuum arc-extinguishing chamber assembly to extend into the conical inner cavity of the insulating part, and a worker does not need to push and pull the vacuum arc-extinguishing chamber assembly manually, so that the labor intensity of the worker is reduced, time and labor are saved, and the assembly efficiency is improved; through the supporting assembly, the vacuum arc-extinguishing chamber assembly and the insulating part automatically keep coaxial alignment, so that time waste caused by repeated adjustment of the vacuum arc-extinguishing chamber assembly is avoided, deformation and damage of the silicone rubber sealing sleeve caused by local compression are prevented, and the assembly tightness is ensured.
Owner:ANPU DIKANG ELECTRIC TECH CO LTD

A pressure-type anti-buoyancy anchor waterproof structure

This utility model discloses a pressure-type anti-buoyancy anchor waterproof structure. A frustum-shaped water-storing buffer sleeve is fixedly installed on the outer wall of the middle part of the protective sleeve. The interior of the frustum-shaped water-storing buffer sleeve is filled with a drainage filling layer. Inclined water distribution pipes are symmetrically fixedly connected to both ends of the frustum-shaped water-storing buffer sleeve. This utility model utilizes the frustum-shaped water-storing buffer sleeve to provide a certain buffer area for groundwater to flow upward, preventing groundwater from directly seeping upward along the edge of the protective sleeve. The drainage filling layer plays a role in shaping and supporting the frustum-shaped water-storing buffer sleeve, improving its structural strength and preventing it from being squeezed and deformed underground. Water can flow inside the drainage filling layer, while the inclined water distribution pipes divert the flowing water, discharging it to the far sides of the anchor rod, allowing it to re-infiltrate into the underground soil, thus significantly reducing the amount of groundwater flowing to the surface.
Owner:ORDOS URBAN CONSTRUCTION ENGINEERING CO LTD

A wall-mounted air purifier

The utility model provides a kind of hanging air purifier, relate to air purifier technical field.A kind of hanging air purifier, comprising: shell, air inlet and air outlet are provided on shell;Support frame, support frame is set in shell, and first accommodating space is provided in support frame;Filter element, filter element is set in first accommodating space;Plasma generating device, plasma generating device is set in first accommodating space, and filter element is set between plasma generating device and air inlet;Wherein, plasma generating device includes first frame and multiple plasma generating modules set in first frame.By being provided with plasma generating device in hanging air purifier, air is further treated by sterilization, deodorization etc. after passing through physical filtration, improve purification efficiency, and plasma generating device uses modular design to use multiple plasma generating modules, facilitate flexible configuration.
Owner:NINGBO TALLER ELECTRICAL APPLIANCE CO LTD

A urea lance suitable for use in an SNCR system

This utility model discloses a urea spray gun suitable for SNCR systems, including a nozzle component and a shell, a cooling sealing tube, an atomizing gas tube, and a urea solution delivery tube nested from the outside in. One end of the urea solution delivery tube has a liquid inlet, and one end of the atomizing gas tube has a first compressed air inlet. The other ends of both the urea solution delivery tube and the atomizing gas tube are connected to the nozzle component. One end of the cooling sealing tube is sealed to the atomizing gas tube and has a second compressed air inlet. One end of the shell is sealed to the cooling sealing tube and has a third compressed air inlet. The other ends of both the cooling sealing tube and the shell are open. The nozzle component is located inside the end of the cooling sealing tube. During the operation of the urea spray gun, compressed air is introduced into the atomizing gas tube, the shell, and the cooling sealing tube. This utility model features a compact structure, simple operation, and high stability, improving the urea spraying effect.
Owner:PUXIANG BIOENERGY CO LTD

A casting machine having a tension adjustment device

The utility model provides a cast film machine with tension adjusting device, including cast film machine body still includes tension adjusting subassembly, guide component, cleaning subassembly and static elimination subassembly, the utility model discloses the synergic working between tension adjusting subassembly, when conveying to the film, the rotary motor can drive the adjusting roller to move up and down, the tension of film is adjusted, prevents film from being too tight and leading to film deformation damage, has guaranteed the quality of film, through the synergic working between cleaning subassembly, when film transports respectively to guide roller no.
Owner:ZHEJIANG HAOZHI NEW MATERIAL TECH CO LTD

High-gloss offset printing mechanism for paper cups

The utility model discloses a high-gloss offset printing mechanism for paper cups, which belongs to the field of paper cups and comprises a bottom support plate, a vertical support plate is fixed at the top of the bottom support plate, and a circular rotating disc is rotatably connected in the vertical support plate. A plurality of transverse rotating columns are rotationally connected into the circular rotating disc, a fixing mechanism used for fixing paper cups is arranged at one end of each transverse rotating column, a rotating mechanism used for rotating the first driving motor is arranged at one end of the circular rotating disc, each fixing mechanism comprises a circular fixing block, and the circular fixing blocks are fixed into the transverse rotating columns; a second transverse hydraulic cylinder is fixed to one end of the circular fixing block, through operation of the second transverse hydraulic cylinder, the clamping force of the inclined supporting block can be automatically adjusted according to different cup types, the problem that pressure is too large or insufficient due to traditional spring clamping is solved, the printing stability is ensured, and cup bodies are prevented from being deformed and damaged.
Owner:浙江亦升科技股份有限公司

Anti-collision hydraulic oil cylinder

The utility model provides an anti-collision hydraulic oil cylinder which comprises a hydraulic oil cylinder body, protective clamping blocks are arranged at the upper end and the lower end of the hydraulic oil cylinder body respectively, the protective clamping blocks are connected with the hydraulic oil cylinder body in a clamped and embedded mode through fixing bolts arranged in the middles, a connecting groove is formed in the inner side of the protective clamping block at the upper end, and a connecting pipe is installed in the connecting groove in an embedded mode. And a sealing cover is installed above the hydraulic oil cylinder in a nested mode, the connecting pipe and the sealing cover are arranged in a through connection mode, a telescopic rod is installed on the outer side of the protective clamping block in an embedded mode, and the telescopic rod and the connecting pipe are connected in a through mode. When the periphery of the hydraulic oil cylinder is collided, the protective sleeve extrudes and buffers the buffering bag, oil in the buffering bag is extruded back into the hydraulic oil cylinder through the telescopic rod and the connecting pipe at the moment, and then the oil extruded back into the buffering bag can push the piston push block to move in the hydraulic oil cylinder, so that the extending hydraulic rod retracts into the hydraulic oil cylinder; therefore, the hydraulic rod is prevented from being deformed and damaged due to external force collision.
Owner:NANJING JIAJUN HYDRAULIC & PNEUMATIC EQUIPMENT CO LTD

Headset with replaceable battery and light-emitting module

The headphone comprises a first headphone part, the first headphone part comprises a main body module, the battery and the light-emitting module, the main body module comprises a main body shell, a loudspeaker, a PCBA circuit board and a first ejector pin assembly are installed in the main body shell, the PCBA circuit board is electrically connected with the loudspeaker and the first ejector pin assembly, and the first ejector pin assembly is electrically connected with the battery and the light-emitting module. The main body shell is provided with a concave cavity which is concave inwards, and an internal thread is arranged in the concave cavity; the battery and light-emitting module comprises a battery shell, the battery shell is provided with external threads, the battery shell can be screwed into the concave cavity or be screwed out of the concave cavity and separated from the concave cavity, a battery, a light-emitting part and a second ejector pin assembly are installed in the battery shell, the battery shell is provided with a light-transmitting pattern, and light emitted by the light-emitting part can be emitted to the light-transmitting pattern. The battery and the light-emitting module can be quickly and conveniently replaced, so that the battery and the light-emitting module with patterns can be simultaneously replaced, the battery can be prevented from being directly collided or scratched by foreign objects, and power supply of the battery is stable.
Owner:GUANGDONG MINGYANG SMART TECH CO LTD

Anti-deformation waste collecting device for metal material manufacturing

ActiveCN224185035UShorten or increase the height differenceReduce shock loadRefuse receptaclesWaste collectionMetallic materials
The utility model discloses an anti-deformation waste material collecting device for metal material manufacturing, which relates to the technical field of metal waste material collection, and comprises a waste material box, a lifting structure arranged on the waste material box and used for limiting the descending distance of metal waste materials; the lifting structure comprises a first sliding groove, the first sliding groove is formed in the bottom of an inner cavity of the waste box, a driving motor is installed on one side of the waste box, a rotating shaft is fixed to an output shaft of the driving motor, the top of the waste box is sleeved with a hopper, and a second sliding groove is formed in the hopper. And a fixing shaft is fixed in the second sliding groove, and the outer surface of the fixing shaft is sleeved with a shear fork type lifting frame. The height of the hopper is dynamically adjusted through the shear fork type lifting frame, the height difference of metal waste falling into the waste box can be flexibly shortened or increased, impact force generated by free falling is reduced, the impact load of the waste on the waste box and an internal structure is remarkably reduced, and equipment is effectively prevented from being deformed and damaged.
Owner:JINING GANGHANG METAL MATERIALS CO LTD

Positioning and sealing device for dairy products

The utility model provides a positioning and film pressing device for dairy product filling and sealing, including: a machine body, a top plate, a top box, a hydraulic cylinder, a controller, a first cross plate, a limiting rod, a pressure sensor, a second cross plate, a spring, a third cross plate, a slider, a mounting plate, a fixing screw, a scale, and a supporting leg; a plurality of supporting legs are fixedly connected to the top of the machine body, and the tops of the plurality of supporting legs are fixedly connected to a top plate in a rectangular structure. A third cross plate is arranged below the top plate. A plurality of sliders with a cross-section in an inverted "convex" shape of Chinese characters are slidably clamped on the inner wall of the third cross plate. The bottoms of the plurality of sliders are fixedly connected with mounting plates, and fixing screws are threadedly connected to the inner walls of the plurality of sliders; through the improvement of the positioning and film pressing device for dairy product filling and sealing, the utility model has the advantages of being able to adjust and position the film pressing position and ensuring the film pressing quality, thus effectively solving the problems and deficiencies in the existing device.
Owner:DONGJUN DAIRY (YUCHENG) CO LTD

Novel rapid carton bottom sealing device

The utility model discloses a novel carton bottom quick sealing device which comprises an outer frame, an inner frame and a carton sealing machine core, the inner frame is arranged on the inner side of the outer frame, two connecting rods are connected between the front inner wall and the rear inner wall of the inner frame and the front inner wall and the rear inner wall of the outer frame respectively, and the carton sealing machine core is arranged on the inner side of the inner frame. Two conveying assemblies are arranged on the upper side of the outer frame, each conveying assembly comprises a conveying box, the conveying boxes are arranged on the upper side of the outer frame, an operator can exactly master whether the two conveying assemblies are adjusted to the proper positions or not through the detection assemblies, a carton can be exactly clamped by the two conveying assemblies, and therefore the carton conveying efficiency is improved. Excessive position adjustment of the conveying assembly is avoided, so that the conveying assembly is prevented from extruding the side walls of the carton to deform and damage the carton.
Owner:HANGZHOU UPSTREAM CARTON CO LTD

Waterproof FPC flexible printed circuit board

The utility model relates to the technical field of circuit boards, in particular to a waterproof FPC (Flexible Printed Circuit), which comprises a waterproof shell, a circuit board main body arranged at the inner side of the waterproof shell, a waterproof cover arranged at the top end of the waterproof shell, heat dissipation grooves arranged at two ends of the outer wall of the waterproof shell, and a plurality of groups of bumps arranged at the bottom end of the inner side of the waterproof shell, the waterproof shell and the waterproof cover are provided with a connection ventilation mechanism, the connection ventilation mechanism comprises a clamping assembly and a ventilation waterproof assembly, the clamping assembly is used for locking or unlocking the position of the waterproof cover, and the ventilation waterproof assembly is used for improving the heat dissipation effect and preventing water from entering; the waterproof cover is simple in structure and convenient to operate, deformation and damage of a connecting part caused by force breaking-off when the waterproof cover is disassembled and assembled are avoided, damage to the part when the part is disassembled and assembled is reduced, and the practicability of the structure is further improved.
Owner:GUANGDONG YOUHONG ELECTRONIC TECHNOLOGY CO LTD

Anti-deformation Type-c connector

The utility model relates to the technical field of connectors, and discloses an anti-deformation Type-c connector, which comprises a Type-c interface, the rear end of the Type-c interface is fixedly connected with a connecting line, the surface of the Type-c interface is fixedly connected with a fixing sleeve, the right end of the fixing sleeve is fixedly connected with an installation side plate, the top of the installation side plate is fixedly connected with a fixing plate, and the fixing plate is fixedly connected with the Type-c interface. A fixed column is fixedly connected to the bottom of the fixed plate, a movable plate is rotationally connected to the surface of the fixed column, and a connecting plate is fixedly connected to the bottom of the movable plate. According to the utility model, through the arrangement of the movable plate, during charging, the movable plate is rotated, and the movable plate rotates on the surface of the fixed column, so that the surface of the protective sleeve is in contact with the surface of the fixed sleeve, the position of the internal connecting line is limited, and the limitation of the interface connection position of the Type-c interface and the connecting line can only be adjusted by 90 degrees; and deformation damage caused by large-angle folding of the connecting line after long-time use and reduction of the service life of the connecting line are avoided.
Owner:铜陵佳睿光学科技有限公司

A dryable fruit and vegetable sorting device

ActiveCN224614295USolve the problem of insufficient sorting accuracyincrease contact time
The utility model discloses a kind of fruit and vegetable sorting devices that can be dried, it is related to fruit and vegetable sorting technical field, including shell, support, screening part and drying part.Sieving part contains screening bearing ring one, screening guide rod, detachable screening net and screening roller, drying part is by drying guide pillar, adjustable drying shell, drying resistance wire, drying fan blade and motor composition.Its advantage is in: multiple layers of screening net are matched with spiral material guiding piece to realize accurate grading, screening and drying are integrated, can be sorted and dried, reduce transfer injury;Screening net modular installation is convenient to replace, adapt to multi-specification demand;Drying shell adjustable height, match different material thickness;Material hopper and collection box correspond, realize classification collection.The device solves the problems of traditional sorting precision deficiency, cumbersome process etc., improves fruit and vegetable sorting drying efficiency and quality.
Owner:SICHUAN YIDA AGRICULTURE CO LTD

Internal bracing of screw steel pipe piles

The utility model relates to the technical field of building engineering, concretely is the inner support pair of spiral steel pipe pile's pull assembly, including a plurality of inner support components in the pile pipe inside, the inner support component is from top to bottom once series connection, the inner support component is connected through the connecting sleeve between the upper and lower adjacent inner support components, and the inner support component includes the cross -shaped tube, and each end of cross -shaped tube all is installed with an inner support rod, and the inner support rod is connected with cross -shaped tube through screw thread and is matched. In this inner support pair of spiral steel pipe pile's pull assembly, in the support effect aspect, the inner support component adopts the design that adjustable inner support rod is matched with cross -shaped tube, and the support piece of each inner support rod outer end abuts the pile pipe inner wall, can realize the even support to the pile pipe inner wall, avoids the stress concentration phenomenon. The combination structure of the round groove shape support seat, spring and pressing plate in support piece, can be adjusted the support force according to the actual situation of the pile pipe inner wall self -adaptation, further guarantees the support evenness, prevents the local deformation damage of the pile pipe, significantly improves the structural stability and the carrying capacity of spiral steel pipe pile.
Owner:GUANGDONG GUANGTIE CONSTR ENG CO LTD

A composite current collector-assisted welding device

This utility model belongs to the field of composite current collector technology, and in particular, it is an auxiliary welding device for composite current collectors. It includes a worktable, with a rotating rod connected to the center of the worktable surface. One end of the rotating rod is connected to a placement plate. Damping shafts are connected to both sides of the placement plate surface. One end of each damping shaft is connected to a mounting bracket. One end of the mounting bracket is fixedly connected to a connecting block, and one end of the connecting block is connected to a connecting plate. Through the cooperation of the placement plate, pressure plate, spring, and connecting plate, after the composite current collector is placed on the surface of the placement plate, the damping shafts rotate, thereby driving the pressure plate, spring, and connecting plate to rotate. The pressure plate surface contacts the composite current collector surface, restricting its position. Simultaneously, the spring between the pressure plate and the connecting plate reduces the pressure exerted by the pressure plate on the composite current collector surface, improving welding efficiency, aesthetics, and precision during welding, resulting in greater practicality.
Owner:AI MU XI AI (SU QIAN) DIAN CHI JI SHU YOU XIAN GONG SI

Rotary connector with buffering function

The rotary connector with the buffering function comprises a rotating ring and a connecting piece, the connecting piece is fixedly connected by inserting the lower end of an upper connecting body into a lower connecting body, a through hole is formed in the lower end of the rotating ring, a connecting rod is inserted into the through hole, an inner top hole is formed in the center of the upper connecting body in a penetrating mode, and the inner top hole is communicated with the upper connecting body. The lower end of the inner top hole is provided with an inner bottom hole in a communicating mode, the lower end of the connecting body penetrates through the inner top hole and the inner bottom hole to be clamped in the inner bottom hole to be fixedly connected with a round nut, a buffer is arranged at the position, between the round nut and the top end of the inner bottom hole, outside the connecting rod in a sleeving mode, and a convex ring is fixedly arranged at the upper end of the connecting rod. An inner groove is formed in the position, corresponding to the protruding ring, of the upper end in the rotating ring, and a falling indicator is arranged at the position, between the protruding ring and the inner groove, outside the connecting rod in a sleeving mode. The connector has a buffer function, and can protect the connector and a human body.
Owner:YUEQING HUADONG SAFETY PROTECTIVE EQUIP FACTORY

Turnover device and processing preparation system

The utility model belongs to the technical field of reinforcing steel bar processing, and discloses a turnover device and a processing preparation system, the turnover device comprises a seat body, a turnover frame and two driving mechanisms, the turnover frame comprises a side supporting sheet body, an edge supporting sheet body, an adapter sheet body and supporting rotating shafts, the output ends of the two driving mechanisms are connected to the two supporting rotating shafts in a one-to-one correspondence mode, and the two driving mechanisms are connected with the two supporting rotating shafts in a one-to-one correspondence mode. The processing preparation system comprises the turnover device. According to the three-dimensional net overturning device, the two driving mechanisms drive the overturning frame to be switched between the bearing state and the laying-down state, so that the stress of the overturning frame is more balanced, overturning is more stable, the side supporting sheet bodies and the edge supporting sheet bodies on the overturning frame are matched with each other, and the side supporting sheet bodies can be attached to one side face of a three-dimensional net; the temple sheet body can be attached to one end face of the three-dimensional net in the width direction, so that the three-dimensional net is evenly stressed, deformation and damage of the three-dimensional net are avoided, the quality of the three-dimensional net is guaranteed, and the three-dimensional net is safer and more reliable.
Owner:TJK MACHINERY (TIANJIN) CO LTD

Fixture capable of enabling plastic baking varnish piece not to deform easily

The utility model discloses a clamp enabling a plastic baking varnish piece not to deform easily, and belongs to the technical field of clamps. In order to solve the problem that in the prior art, the clamping mode is not suitable, in conclusion, according to the clamp enabling the plastic baking finish piece to be not prone to deformation, the opposite clamping heads are arranged to clamp the baking finish piece, and due to the fact that only a small part of the baking finish piece needs to be clamped, damage to the baking finish piece is avoided as much as possible, and deformation of the baking finish piece is prevented as much as possible. And a groove is formed in the chuck for hot air to pass through, so that the situation that local air at the contact part of the chuck and the baking finish piece does not circulate, and the baking finish piece becomes soft and deforms due to over-high temperature is prevented. The combination of the spiral knob, the inserting rod and the inserting sleeve is further arranged, the baking finish piece can be limited through friction force after the baking finish piece is clamped by the clamping head, and the situation that the baking finish piece is deformed and damaged due to the fact that the clamping head continuously applies force to the baking finish piece is avoided. And a heat-resistant silica gel pad is further arranged for flexible contact, and damage caused by scraping of the chuck to the paint baking piece is avoided.
Owner:XIAMEN JINBAOYUAN IND CO LTD

Positioning jig for component printing glue

The utility model provides a positioning jig for component printing glue, and belongs to the technical field of positioning jigs. The positioning jig for the component printing glue comprises a frame structure and a positioning structure, the frame structure comprises a mounting plate, supporting rods and a positioning plate, the supporting rods are fixedly connected to the four corners of the bottom of the positioning plate, and the supporting rods are fixedly connected with the mounting plate; the positioning structure comprises positioning columns, vacuum holes, a fixing frame, a connecting pipe and a vacuum generator body, the periphery of the positioning plate is fixedly connected with the multiple positioning columns, the positioning columns are fixedly connected with the mounting plate, the multiple vacuum holes are formed in the positioning plate in a penetrating mode, one side of the positioning plate is fixedly connected with the fixing frame, and the connecting pipe is fixedly connected with the fixing frame. And the vacuum hole is communicated with the fixed frame. According to the positioning jig for the component printing glue, vacuum adsorption of the circuit board is facilitated, and meanwhile, deformation and damage of the circuit board in the positioning process are avoided.
Owner:SUZHOU LINGYU ELECTRONICS TECH CO LTD

Road structure with high bearing capacity

The utility model provides a road structure with high bearing capacity, and belongs to the technical field of road expansion joints. The device comprises an expansion joint arranged at the joint of two sections of roadbeds, a damping belt is arranged on the upper side of the expansion joint, deformable supporting plate structures are oppositely arranged on the side walls of the two sides of the expansion joint, and an elastic supporting assembly is arranged between the two deformable supporting plate structures. The deformable supporting plate structures arranged on the two sides of the expansion joint are formed by connecting multiple sets of supporting plate pieces and supporting plates through rotating connecting structures, compared with a traditional steel plate, adaptive deformation can be generated under the complex working condition, when thermal expansion and cold contraction are caused by temperature changes or dynamic loads are generated during vehicle running, stress can be effectively dispersed through self deformation, and the expansion joint deformation is reduced. The stress is prevented from being concentrated on a certain part of the supporting plate, so that the supporting plate is prevented from being deformed and damaged due to excessive stress, the service life of the supporting plate is remarkably prolonged, and the normal function of the expansion joint and the stability of a road structure are powerfully guaranteed.
Owner:浙江省建筑科学设计研究院建筑设计所

Control method of water treatment device, water treatment device, and medium

This application relates to the field of water treatment technology, and discloses a control method, water treatment device, and medium for a water treatment apparatus. The method includes: in response to a venting command, a controller controls the venting valve to open and controls the water pump to start; after the water pump starts, a negative pressure is generated inside the hot tank; a one-way air inlet valve is configured to automatically open when its positive pressure value is greater than a first threshold, and a one-way air outlet valve is configured to automatically open when its positive pressure value is greater than a second threshold; during the venting process, the controller keeps the venting valve open and the water pump running until a preset venting termination condition is met. This application utilizes the automatic pressure response characteristics of a mechanical one-way valve to achieve adaptive adjustment of negative pressure during the venting process without the need for a pressure sensor and an electrically controlled air inlet valve, simplifying the control logic, reducing hardware costs, and improving venting efficiency and system reliability.
Owner:GUANGDONG LIZI TECH CO LTD

A mechanical machining part feeding mechanism

ActiveCN224601137USynchronous loading and unloadingEnsure loading and processing efficiency
The utility model provides a kind of mechanical processing parts feeding mechanism, comprising: support, the upper end of the support is fixedly connected with base, the front surface of the base is provided with translation plate, and the front surface of the translation plate is fixedly connected with assembly seat;Translation part, the translation part is installed on the base, and is connected with the translation plate;Lifting portion, the lifting portion is installed on the assembly seat, the output end of the lifting portion is fixedly connected with bearing seat, and the front and rear sides of the bearing seat are fixedly connected with first guide rail;The mechanical processing parts feeding mechanism can directly clamp and feed blocky parts by the cooperation of middle material clamping portion pneumatic clamp jaw and a plurality of suction cup pipes, and can also stably clamp sheet parts, has strong practicability, and when suction cup pipe clamps sheet parts, the set pneumatic clamp jaw can control two clamping blocks to support and limit the bottom of part, to ensure the stability when part feeding.
Owner:YANCHENG SIBIEN INTELLIGENT TECH CO LTD

Magnetic core tube voltage withstanding test structure

The utility model relates to the technical field of magnetic core tube, especially to a magnetic core tube pressure resistance test structure, its including base, the oil guide hole is opened in the base, oil nozzle, oil nozzle sets up oil guide hole department, with oil guide hole intercommunication, connecting block, connecting block sets up the base, and connecting block sleeve sets up oil nozzle on, pressure block, pressure block sets up connecting block, and pressure block can be under the action with connecting block abuts, pressure block, connecting block with oil nozzle surround and form test space, the magnetic core tube of waiting for testing is sleeve set up oil nozzle, and floats in test space, the magnetic core tube pressure resistance test structure is configured as: hydraulic oil passes through oil guide hole and oil nozzle and enters to push the magnetic core tube movement and the pressure block abuts and carries out test. The utility model can avoid the deformation damage of magnetic core tube, and is convenient for subsequent assembly.
Owner:GUANGZHOU HUITONG PRECISION HYDRAULIC CO LTD

A net rack ball node fast positioning welding bed and its using method

PendingCN122299295Alight structureFlexible useSpherical spaceContact position
This invention discloses a rapid positioning welding jig for spherical nodes in a space frame and its usage method, relating to the field of welded spherical space frame assembly construction technology. It includes a welding base, a member positioning device, an adjustable base for the support rod, a member support rod, and a top support. The welding base is used to place the welded sphere. The member positioning device is sleeved on the welded sphere to achieve precise layout of the contact position between the member and the welded sphere. The adjustable base for the support rod is arranged around the welding base, and the member support rod is installed on the adjustable base. The top support is hinged to the top of the member support rod to support one end of the member. The other end of the member is welded and fixed to the welded sphere. The rapid positioning welding jig for spherical nodes in a space frame provided by this invention and its usage method solve the problems of difficulty in ensuring positioning accuracy, cumbersome installation and dismantling of fixing devices, difficulty in moving them, high construction safety risks, and difficulty in controlling welding deformation in the prior art.
Owner:EIGHTH ENG CO LTD OF CHINA RAILWAY FIRST GRP +2

Cooling device of high-speed wire rod finishing mill

The utility model discloses a high-speed wire rod finishing mill cooling device which comprises a guide seat body, a guide wheel assembly and a guide block assembly, the guide block assembly comprises a guide shell and a transition cover body, a cooling shell is installed on the outer side of the guide shell and the outer side of the transition cover body, and the cooling shell and the guide shell are connected through a first sealing assembly. The cooling shell and the transition cover body are connected and fixed through a second sealing assembly, a circulating water cooling pipe is arranged on the outer wall of the guide shell and the outer wall of the transition cover body located in the cooling shell in a surrounding mode, a water inlet pipe and an air outlet pipe are arranged at the top of the cooling shell, and a water outlet pipe and an air inlet pipe are arranged at the bottom of the cooling shell. An inlet of the circulating water-cooling pipe is connected with the water inlet pipe, an outlet of the circulating water-cooling pipe is connected with the water outlet pipe, and one end of the cooling shell is inserted into the guide and guard seat body and then is connected and fixed through a plurality of limiting assemblies. According to the device, the cooling effect of the guide shell and the transition cover body can be improved, and the cooling shell is convenient and rapid to replace.
Owner:YUN NAN QU JING CHENG GANG GANG TIE YOU XIAN GONG SI

Frame structure and photovoltaic sunshade

The invention discloses a frame structure and a photovoltaic sunshade. The frame structure comprises a plurality of frame assemblies, a cross beam assembly, a plurality of stand column assemblies and at least two supporting column assemblies. The plurality of frame assemblies are used for installing a photovoltaic assembly, at least one frame assembly comprises at least two sub-frame assemblies, and the tail end of one of the at least two sub-frame assemblies is connected with the head end of the other sub-frame assembly. The upper ends of the stand column assemblies are used for connecting two adjacent frame assemblies, and the lower ends are used for being connected with a to-be-fixed face. The upper end of the supporting column assembly is used for being connected with one of the at least two sub-frame assemblies, and the lower end is used for being connected with a to-be-fixed face. In the application, the stand column assembly and the support column assembly can jointly support the frame assembly on the to-be-fixed surface, so that the deformation and damage of the frame assembly caused by insufficient support of the large-size frame assembly are avoided.
Owner:SHENZHEN HELLO TECH ENERGY CO LTD +1