670results about How to "Fixed and accurate" patented technology

The utility model relates to a gradiometer for water conservancy reconnaissance, which belongs to the technical field of water conservancy reconnaissance and comprises a gradiometer body, an observation device for observing the gradient angle is arranged on the upper side of the gradiometer body, and a supporting device for supporting the ground is arranged in the gradiometer body. The observation device comprises a supporting frame fixedly connected to the middle of the upper side of the gradiometer body, a bearing rotationally arranged on the front end face of the upper side of the supporting frame in a sleeving mode, a pointer rotationally arranged on the outer side of the bearing in a sleeving mode, a dial fixedly connected to the upper side of the supporting frame and four springs fixedly connected to the back of the pointer. According to the gradiometer for water conservancy investigation, the two-way driving motor drives the two threaded blocks on the outer side of the threaded rod to get close to each other, the industrial suction cup is attached to the ground under adjustment of the connecting rod, the suction pump is started to achieve negative pressure in the industrial suction cup, and therefore the gradiometer is adsorbed to the surface of an object, and the supporting and limiting effects on different slopes are effectively improved.

The invention discloses a high-flexibility bending-resistant synchronous twisted-pair shielding flame-retardant towline cable, and relates to the technical field of cables, the towline cable comprises a plurality of chain links, the plurality of chain links form a towline, the inner side of each chain link is provided with a cable structure, each chain link is provided with a cable blocking structure, the cable structure comprises an outer sheath layer, and the outer sheath layer is provided with an outer sheath layer. The inner side of the outer coating layer is provided with a braiding layer, the inner side of the braiding layer is provided with a wrapping layer, the inner side of the wrapping layer is provided with a core wire, the inner side of the core wire is provided with a conductor, the inner side of the wrapping layer is provided with a filler, and the cable structure is formed by synchronously completing pair twisting and total twisting of five types of oxygen-free copper flexible conductor wires or six types of oxygen-free copper flexible conductor wires. The outer diameter of the finished cable is small, the bending resistance of the cable structure is enhanced, the phenomenon that the cable structure is prone to open circuit and short circuit in the high-frequency bending process is avoided, and meanwhile, through the cooperative use of the cable blocking structure and the disassembly and assembly structure, when the single cable structure is damaged, independent disassembly and replacement can be carried out.

The invention relates to the technical field of furniture machining, in particular to a hardware laser cutting device for furniture machining and a cutting method.The top of the inner wall of the laser cutting device is fixedly connected with a master control frame, and the bottom of the master control frame is fixedly connected with a control mechanism; according to the laser cutting device, the control mechanism, the control frame and the transmission assembly are arranged, the problem that in the laser cutting process, due to movement or vibration of the metal fixing plate, the cutting precision is reduced can be effectively solved, the whole cutting process is high in automation degree, and operation is easy and convenient; the production efficiency and cutting precision of hardware for furniture machining are greatly improved, specifically, when a metal fixing plate is cut through laser, a bidirectional hydraulic push rod is activated firstly, a push-pull block and a push-pull cross rod are pulled to move in a C-shaped sliding groove, then a rotating rod and an L-shaped retracting and expanding rod are made to slide, and a thickness sensing clamping plate is driven to clamp the metal fixing plate.

The utility model discloses a high chromium steel forge piece machining positioning clamping structure which comprises a supporting plate, supporting feet are fixedly installed on the lower surface of the supporting plate, an extending plate is fixedly installed on the outer side surface of the supporting plate, a fixing plate is fixedly installed on the inner side surface of the extending plate, a rotating plate is movably arranged below the fixing plate, and a clamping plate is fixedly installed on the rotating plate. A plurality of sliding grooves are formed in the upper surface of the fixing plate at equal intervals, sliding blocks are slidably connected into the sliding grooves, round rods are fixedly installed on the upper surfaces of the sliding blocks, rolling wheels are rotatably connected to the outer sides of the round rods, and transmission shafts are rotatably connected to one sides of the supporting legs. According to the tool, the forgings can be clamped and positioned through the multiple clamping mechanisms, the cylindrical forgings can be conveniently and accurately fixed to the middle position of the tool, the positioning effect of the cylindrical forgings is improved, and when the cylindrical forgings are rotated, the positions of the contact positions of the clamping mechanisms and the cylindrical forgings can be conveniently adjusted at the same time; and the contact position is exposed for machining, and the angle adjusting effect of the cylindrical forge piece is improved.

The invention relates to the technical field of glass fiber reinforced plastic storage tank machining, and discloses a glass fiber reinforced plastic storage tank machining clamping device which comprises a bottom plate, a clamping mechanism is arranged on the bottom plate, and an adjusting mechanism is arranged on the clamping mechanism; the clamping mechanism comprises a rectangular sliding hole and a first motor, and the rectangular sliding hole is formed in the top of the bottom plate. It can be ensured that the glass fiber reinforced plastic storage tank is firmly and accurately fixed in the machining process, machining errors caused by shaking or shifting of the storage tank are reduced, and therefore the machining precision is remarkably improved, the position of the triangular clamping plate can be flexibly adjusted according to the glass fiber reinforced plastic storage tanks of different sizes and shapes, and the machining efficiency of the storage tank is greatly improved whether a small storage tank or a large storage tank is small or large. And the application range of the device is greatly widened, and the cost input and operation troubles caused by mismatching of equipment are reduced.

The invention discloses a thin film material phase change temperature measuring device capable of stably loading and unloading a sample, and belongs to the field of semiconductor thin film thermal performance measurement, the thin film material phase change temperature measuring device comprises a quick closing door, a vacuum cavity, a box plate valve, a sample injection cabin and a magnetic sample injection rod, the quick closing door is arranged on one side of the vacuum cavity, and the sample injection cabin is arranged on one side, away from the quick closing door, of the vacuum cavity; the box plate valve is installed on the side, close to the vacuum cavity, of the sample injection cabin, the magnetic sample injection rod is installed on the side, away from the box plate valve, of the sample injection cabin, an electric control displacement platform is arranged at the bottom of the vacuum cavity, a receiving frame is arranged in the vacuum cavity, the electric control displacement platform is sleeved with an evaporation source, and the evaporation source is located under the receiving frame. According to the device, the magnetic sampling rod, the receiving frame and the evaporation source are matched with one another; the problem that a sample is not fixed in a sample injection process is solved, and the stability of a light path is ensured; meanwhile, the stability of the sample table and the leakproofness of the cavity are also ensured; and the sample and the thermocouple can be in stable pressure contact.

The utility model discloses a clamping assembly pressure plate which comprises a clutch shell, a disc is connected to the inner wall of the clutch shell, a clamping groove is formed in one end of the clutch shell in a penetrating mode, a diaphragm spring is arranged in the clutch shell, a groove is formed in one side of the diaphragm spring, and the other side of the diaphragm spring is connected with the disc. A circular ring is arranged in the side, close to the diaphragm spring, of the pressing disc, a lug is fixedly connected to the top end of the pressing disc, and a clamping block is fixedly connected to the end, close to the diaphragm spring, of the left side of the pressing disc. By arranging the groove and the circular ring, the groove is formed in one side of the diaphragm spring, the circular ring is arranged in one side of the pressure plate, a clamping structure is formed between the groove and the circular ring, and the circular ring is tightly attached to the groove, so that the diaphragm spring can be more stably fixed in the pressure plate. The clamping groove and the clamping block are arranged, the clamping groove penetrates through the interior of one end of the clutch shell, a clamping structure is formed between the clamping block and the clamping groove, the clamping groove is of an L-shaped structure, and the clutch shell and the pressing disc can be better fixedly connected.

The utility model discloses a flange plate machining device for valve machining, and relates to the field of valve machining. The device comprises a device table and an inner clamping piece, the device table comprises an outer shell box and first pneumatic cylinders, the first pneumatic cylinders are evenly and circumferentially arranged at the top of the outer shell box, the inner clamping piece comprises second pneumatic cylinders, abutting heads, an inner ring and a moving device, the second pneumatic cylinders are arranged in the outer shell box, and the abutting heads are arranged at the top of the outer shell box. The inner ring is arranged above the second pneumatic cylinder, the abutting head penetrates through the top of the inner ring, the moving device is arranged outside the inner ring, and a power motor is arranged outside the second pneumatic cylinder. The flange plate fixing device has the improvement points that firstly, the interior of the flange plate can be stably and accurately fixed in a fixing mode controlled by the power motor, the problem of unstable fixing force caused by factors such as spring fatigue and external environment change is solved, and therefore the machining precision and the connecting quality are improved;

The invention discloses a plate flattening and shearing production line with high feeding precision and a using method, and relates to the technical field of plate flattening and shearing, the plate flattening and shearing production line comprises a plate flattening and shearing main body, a flattening chamber and a shearing chamber are formed in the plate flattening and shearing main body, and laser displacement sensors are mounted at outlets and inlets of the flattening chamber and the shearing chamber; acoustic sensors are mounted on the side walls of the flattening chamber and the shearing chamber; a top limiting module and a shearing module are mounted on the top wall of the shearing chamber, the top limiting module is used for fixing a plate from the top in the shearing process, and the shearing module is used for shearing the plate; a side face limiting module is installed on the side wall of the shearing chamber and used for fixing the plate from the side face in the shearing process. By installing the top limiting module, the side face limiting module and the shearing module, the problems that in the plate machining process, the feeding precision is low, the machining efficiency is low, flexibility is insufficient, and the machining quality is unstable can be solved.

The invention discloses crimping equipment and a crimping method, and belongs to the field of display panel testing. The crimping equipment comprises a test board, a connector positioning assembly and a crimping assembly. The test bench is provided with a first through hole. The connector positioning assembly comprises a positioning block, a sliding block and a driving piece, the positioning block is inserted into the test table, the positioning block is provided with a first supporting face and a second through hole, one side of the first supporting face extends into the second through hole, the second through hole is communicated with the first through hole, the sliding block is provided with a second supporting face, and the driving piece is arranged on the sliding block. The second supporting surface is used for supporting a conducting part and a flat cable of the connector, the first supporting surface and the second supporting surface are obliquely arranged, and the output end of the driving part is in transmission connection with the sliding block; the crimping assembly is located on the test bench, and the crimping assembly is used for crimping and conducting the conduction part of the connector. The crimping equipment provided by the embodiment of the invention not only can realize accurate fixation of the inclined connector on the back of the screen body, but also can always keep the inclined state of the connector relative to the screen body.

The invention discloses a new energy battery high-temperature explosion-proof test device and a use method thereof, and belongs to the technical field of battery production. A controller is arranged on the outer side of the test box; a plurality of exhaust holes are formed in the upper surface of the test box; a gas buffering and discharging mechanism is arranged at the top of the test box; a pressure monitoring module and a heating module are arranged on the inner wall of the test box; the open end is blocked by a sealing door; and the gas buffering and discharging mechanism is arranged on the outer sides of the plurality of vent holes. The method comprises: placing and positioning a battery; closing the sealing door; the controller starts a heating module to heat the new energy battery; the pressure monitoring module is used for monitoring the interior of the test box; when the battery is spontaneously ignited or exploded, the air pressure in the test box is increased, the air pressure pushes the sealing plug to slide upwards from the exhaust hole, the sealing plate is higher than the exhaust groove, and gas in the test box is exhausted from the exhaust groove. The gas buffering and discharging mechanism ensures that air pressure in the test box is slowly discharged, casualties possibly caused by instant release of high-pressure gas are avoided, and the safety of the test process is improved.

The utility model discloses a square support type workpiece vertical machining hydraulic clamp which can provide uniform clamping force, is high in workpiece positioning accuracy, can automatically clamp a workpiece, is high in repeated positioning speed, and improves machining quality and machining efficiency. The device comprises a supporting table, a positioning block and a positioning seat are installed on the two sides of the center position of the surface of an upper bottom plate of the supporting table, and the device is characterized in that a vertical pressing mechanism is arranged above the center of the distance between the positioning block and the positioning seat, and side edge clamping mechanisms are arranged on the outward sides of the positioning block and the positioning seat; the side plate clamping mechanisms are symmetrically distributed about the geometric center of the surface of the upper bottom plate.

The utility model relates to the technical field of numerical control machining, in particular to a vertical milling machine chamfering tool which comprises a workbench, an adjusting device, a clamping device and a rotary adjusting device, the top end of the workbench is provided with a movable seat through the adjusting device, the top end of the movable seat is provided with the clamping device, and the rotary adjusting device is arranged on the workbench. The clamping device comprises fixed plates, sliding blocks, a movable plate, a two-way screw rod, a gear, a rack and an electric telescopic rod, the fixed plates are fixedly installed at the left end and the right end of the movable seat, the two-way screw rod is transversely and rotationally installed in the fixed plates, and the two-way screw rod drives the two sets of sliding blocks to linearly move on the two-way screw rod; the two sets of sliding blocks drive the movable plate to move from the two ends to the middle till the rotary adjusting device is driven to clamp the left end and the right end of the workpiece, linear movement or rotary adjustment can be conducted on the workpiece under the cooperation of the rotary adjusting device and the adjusting device, and all-directional chamfering machining can be conveniently conducted on the workpiece in the later period.

A pre-embedded bolt positioning device for a prefabricated stair comprises an aluminum alloy formwork, the aluminum alloy formwork is connected with angle steel through a connecting structure, and the angle steel and the aluminum alloy formwork are jointly connected with and fix a pre-embedded bolt to form an integral device. The lower ends of the embedded bolts are located between the middle plane formwork and the bottom plane formwork, concrete is cast in place between the middle plane formwork and the bottom plane formwork, and the lower ends of the embedded bolts are located in the cast-in-place concrete. After the concrete is poured and reaches the standard, the aluminum alloy formwork and the angle steel are dismantled (pulled out through the through holes in movable fit), and the embedded bolts are fixed in the solidified concrete. The positioning device for the pre-embedded bolt of the prefabricated stair is simple and reasonable in structure, and disturbance of concrete vibration and pouring impact load on positioning of the pre-embedded bolt does not exist; the embedded bolt is accurate in positioning and firm in fixation, the problem that the installation quality of the prefabricated staircase is affected by re-drilling due to inaccurate positioning is solved, the construction efficiency is improved by using the positioning device for the embedded bolt of the prefabricated staircase, the positioning device can be recycled, and the labor and time cost is saved.

The utility model discloses an alternating current and direct current integrated shore power pile, which comprises a charging pile, the charging pile is arranged on an external identification, a fixing mechanism is arranged on the charging pile, the fixing mechanism comprises a bottom sleeve, a connecting sleeve, a fixing sleeve, a positioning sleeve, a push disc, a clamping mechanism, a top pipe, a rotating sleeve and a synchronizing mechanism, the bottom sleeve is arranged on the side wall of the charging pile, and the connecting sleeve is arranged on the side wall of the bottom sleeve. A positioning sleeve is installed on the fixing sleeve, a positioning groove is formed in the top sleeve, the positioning sleeve is clamped in the positioning groove, a push disc is installed on the fixing sleeve, a threaded groove is formed in the bottom sleeve, and through cooperation of the bottom sleeve, the connecting sleeve, the fixing sleeve, the positioning sleeve, the push disc, the clamping mechanism, the jacking pipe, the rotating sleeve and the synchronizing mechanism, accurate fixation of a cable can be achieved through the fixing mechanism; by means of the design, the fixing efficiency is improved, and the adaptability and the using effect of the alternating-current and direct-current integrated shore power pile are guaranteed.

The utility model discloses a connecting structure of roof metal tiles, and relates to the technical field of metal tiles. Comprising a first tile, a second tile is arranged below the first tile, a shell is arranged between the first tile and the second tile, a first connecting column is fixedly arranged on the lower surface of the end, close to the second tile, of the first tile, and a first clamping block is fixedly arranged at the bottom end of the first connecting column; a second connecting column is fixedly arranged on the upper surface of the end, close to the first tile, of the second tile, a second clamping block is fixedly arranged at the top end of the second connecting column, clamping plates distributed in a mirror image mode are slidably arranged in the shell, and symmetrically-distributed springs are fixedly arranged on the sides, away from each other, of the clamping plates; the effect of conveniently mounting and dismounting the metal tiles can be achieved, the situation that the metal tiles are damaged when screws are used for mounting and connecting is avoided, when the metal tiles are damaged, the metal tiles are also conveniently dismounted and replaced, and use of workers is facilitated.

The invention discloses welding clamping equipment for steel structure machining, and belongs to the field of steel structure machining. Comprising a transverse plate, a clamping cavity is formed in the upper surface of the transverse plate, extending cavities are symmetrically and fixedly connected to the two sides of the transverse plate, a supporting plate is fixedly connected to the front portion of the lower surface of the transverse plate, an inclined block is fixedly connected to the rear portion of the lower surface of the transverse plate, and a clamping power cavity is fixedly connected to the front surface of the transverse plate; the equipment stably clamps the steel structural part through a complex mechanical transmission structure, the clamping plate can accurately fix the steel structural part in the clamping cavity under driving of the motor, welding defects caused by shaking of the steel structural part in the welding process are avoided, guarantee is provided for high-quality welding through stable clamping, and the welding quality is improved. The welding seam is uniform and firm, the overall strength and stability of the steel structure are greatly improved, and high-quality welding is crucial in the fields of buildings, bridges, mechanical manufacturing and the like.

The utility model relates to a high-speed signal cable full-automatic wire port processing device in the field of cable processing equipment, which comprises a cabinet, a hood and a working platform arranged at the top of the cabinet, and the working platform is provided with a positioning station, a peeling and cutting station, a branching station, a carrying station and a tinning station. A positioning mechanism, a peeling and cutting mechanism, a branching mechanism, a carrying mechanism and a tinning mechanism are respectively mounted on the positioning station, the peeling and cutting station, the branching station, the carrying station and the tinning station on the working platform; the full-automatic wire port processing equipment for the high-speed signal cable has the advantages of high automation degree, high precision, good stripping effect, flexible wire branching, safety, reliability and the like, can improve the production efficiency and the production quality, can reduce manual intervention and operation difficulty, and reduces the labor cost and risk.

The invention belongs to the technical field of oil well anti-scaling indoor tests, and discloses an underground composite alloy anti-scaling device indoor dynamic simulation test device which comprises an anti-scaling module and a comparison module, the anti-scaling module comprises a first container water tank, a first anti-scaling test hanging piece, a composite alloy anti-scaling device, a first temperature control system and a first fluid circulation system, the first anti-scaling test hanging piece is arranged in the first container water tank, and the composite alloy anti-scaling device is arranged in the first container water tank and connected to the first fluid circulation system in series. And the comparison module comprises a second container water tank, a second anti-scaling test hanging piece, a second temperature control system and a second fluid circulation system. The invention further discloses an indoor dynamic simulation test method for the underground composite alloy anti-scaling device. The current situation of the underground scaling technology is known, and the influence rule of the temperature and the flow speed on the anti-scaling effect of the composite alloy device is obtained.

The invention discloses a detachable beam plate type supporting-bearing UHPC blanket structure system and an installation method. The detachable beam plate type supporting-bearing UHPC blanket structure system and the installation method are used for improving detachable installation. The system comprises a top beam, a bracket, a detachable profile steel externally-wrapped UHPC prefabricated beam arranged above a bracket structure, a cross brace and a UHPC prefabricated bridge deck slab structure located on the prefabricated beam. A beam-top beam wet connection structure, a beam-plate shear connector and a plate-plate bolt assembly structure are adopted. A first support of the foundation pit is replaced by the precast beam, a wet connection structure between the precast beam and the top beam achieves a supporting effect, and the precast bridge deck is laid above the precast beam to provide passage and achieve a bearing effect. And the force transmission effect of the first support is enhanced, and the horizontal load and the vertical bearing capacity are effectively borne. The purpose that the prefabricated bridge deck slab and the prefabricated beam are detachable is achieved through bolt connection of the beam-slab shear-resistant connecting piece and the UHPC prefabricated bridge deck slab.

The invention relates to the technical field of bridge demolition construction, in particular to a pier column demolition device which comprises a first fixing assembly, a first positioning assembly, a second fixing assembly, a second positioning assembly, a connecting piece and a fretsaw, the first fixing assembly comprises a first cohesion side, the first positioning assembly is connected with the first fixing assembly, and the second positioning assembly is connected with the second fixing assembly. The first fixing assembly comprises a first cohesion side to adjust the posture of the first cohesion side, the second fixing assembly comprises a second cohesion side, and the second positioning assembly is connected with the second fixing assembly to adjust the posture of the second cohesion side. According to the dismounting device for the pier column, due to the fact that the design of the first fixing assembly and the second fixing assembly is adopted, and the posture of the cohesion side is adjusted through the positioning assembly, rapid and accurate fixing and positioning can be achieved outside the pier column, and the problems that in the prior art, fixing equipment is complex in structure and tedious to mount and dismount are effectively solved; and therefore, the technical effects of quickly positioning and reducing the construction time are achieved.

The invention relates to the technical field of MPP cable protection pipe processing, in particular to an MPP cable protection pipe extrusion processing device which comprises an extruder main body, a spiral auger is rotationally connected to the interior of the extruder main body, an extrusion die is bolted to the front side of the interior of the extruder main body, a cooling structure is bolted to the front side of the extruder main body, and the cooling structure is connected to the front side of the extruder main body. A shaping structure is bolted to the front side of the cooling structure, and the rear side of the shaping structure penetrates through the cooling structure and is bolted to the extrusion mold; the cooling structure comprises a fixing shell, a pre-cooling assembly is connected to the rear side of the fixing shell in a bolting mode, a sealing shell is connected to the interior of the fixing shell in a bolting mode, sealing rubber strips are arranged on the front side and the rear side of the sealing shell, and the rear side of the pre-cooling assembly is connected with the extruder body in a bolting mode. The MPP cable protection pipe extrusion processing device provided by the invention has the advantages that the cable protection pipe is effectively cooled in the initial extrusion stage of the MPP cable protection pipe, the size is accurately fixed, and the production quality is improved.

The utility model relates to the related field of rotational flow recoverers, in particular to a rotational flow recovery device which comprises a device body, a lower cone, a straight barrel and a mounting frame are arranged in the device body, a feeding port is formed in one side of the straight barrel, an overflow port is formed in the upper end of the straight barrel, a sand discharging port is formed in the bottom of the lower cone, and a sand discharging port is formed in the lower cone. A rotational flow channel is formed in the lower cone, a mounting seat is arranged at the top of the lower cone, a lower clamping block is arranged in the mounting seat, a flange plate is arranged at the bottom of the straight barrel, an upper clamping block is arranged at the lower end of the flange plate, and mounting holes are formed in the flange plate, the upper clamping block and the lower clamping block. According to the device, the using amount of fixing bolts can be effectively reduced on the basis that the equipment connecting strength is guaranteed, the sealing performance is good, the problem that time and labor are wasted when multiple sets of fixing bolts are manually disassembled and assembled is solved, the rotating position of the mounting frame can be adjusted, the equipment and an external device can be conveniently and accurately connected and fixed, and the applicability of the device is improved.

The invention relates to the related technical field of cloth gap module tracking and detection, in particular to a towel cloth gap tracking cutting device with an infrared detection technology, which comprises a placing frame, an electric transmission rod, a connecting plate and a first connecting frame, an adjusting mechanism is arranged on the inner side surface of the placing frame, and a fixing mechanism is arranged on the inner side surface of the placing frame. And a cutting mechanism is arranged on the inner side surface of the placing frame. The cutting device for tracking the towel cloth gaps through the infrared detection technology has the advantages that the process can be controlled by pressing a button to start the control box, the working efficiency is improved, the skill requirement for operators is lowered, the cutting position can be flexibly adjusted, and stability and precision are ensured; the cutting blade is firmly installed, stable and reliable cutting is guaranteed, the infrared edge detector accurately positions the center of a gap, automatic stopping is achieved when problems occur, the air cylinder drives the protective shell to descend, and safety protection is provided.

The utility model discloses a full -automatic embedded part injection molding takes out piece packaging machine belongs to injection molding machine technical field, it includes work table, work table top fixed mounting has fixed mould, the fixed mould is buckled and is connected with embedded part main part, the sliding block with the guide rail sliding connection, the sliding block is located between the guide rail with the embedded part main part, the guide rail is the inclined structure, the utility model discloses through the heat absorption block absorption external heat like the heat source of mould processing, the heat transfer to first air cylinder, and the heated expansion gas (like nitrogen) in first air cylinder and second air cylinder expands in volume because temperature rises, and pressure increases, and the telescopic link of movable block outside pushes the sliding block and slides on the inclined guide rail, because the guide rail is the inclined structure, the sliding of sliding block will produce the component force along the guide rail direction, and then will embedded part main part extrude to the inboard of fixed mould, avoids in the injection molding process and causes the displacement of embedded part to influence injection molding effect.

The present application relates to large aperture optical machine structure engineering analysis technical field, especially to a kind of gravity unloading point layout method of large space mirror, comprising the following steps: S1: the finite element analysis model of space mirror is established, and the discrete node surface shape data and unloadable point coordinate data are exported.S2: surface shape fitting is carried out, and surface shape accuracy is calculated.S3: its surface shape residual elevation diagram is drawn, and high residual point is identified.S4: the unloadable point coordinate of space mirror is obtained.S5: space mirror is supported using unloadable point, and its degree of freedom is constrained;Finite element analysis model is updated, and step S2 is repeated, and surface shape accuracy is calculated.S6: whether surface shape accuracy meets the requirements is judged, if not, then repeat step S3 to step S5;Until meet the requirements.The present application has the advantages that, through the gravity unloading point layout of space mirror, gravity unloading point can be more accurately fixed in flexible support mode or the like during processing, and the influence of gravity on surface shape accuracy is reduced.

The utility model discloses a paper cup framing system, which relates to the technical field of paper cup framing and comprises a paper cup conveying line used for conveying paper cups and a plastic frame conveying device used for conveying plastic frames, an open-close type interceptor is arranged at the tail end of the paper cup conveying line, and protective plates are arranged on the paper cup conveying line corresponding to two sides of the open-close type interceptor. The opening and closing interceptors are matched with protection plates on the two sides of the paper cup conveying line to position the paper cups; a grabbing device is arranged between the paper cup conveying line and the plastic frame conveying device, the grabbing device grabs paper cups on the paper cup conveying line into plastic frames on the plastic frame conveying device, the grabbing device comprises a collaborative robot, and a clamping jaw used for grabbing the paper cups is arranged at the moving end of the collaborative robot. The paper cup conveying line, the grabbing device and the plastic frame conveying device are matched with one another, so that the paper cups can be automatically and tidily placed in the plastic frames in the storage or transportation operation.

The utility model provides a positioning mechanism of an injection mold, which relates to the technical field of injection molds and comprises a platform, and an electric push rod is arranged at the top of the platform close to the left side. When the injection mold is positioned, the electric push rod is started, the electric push rod drives the two fixing blocks to move towards the right side at the same time, under the limiting of the limiting block and the limiting rod, the lower mold can be flexibly and automatically adjusted in the front-back direction until the lower mold is pushed to the positions of the two second mounting seats to be converged, and the position of the lower mold is fixed; the hydraulic cylinder is started, the hydraulic cylinder drives the upper die to move downwards until the upper die is converged with the position of the lower die, and when the four rolling wheels are close to each other, the lower die is extruded in a symmetrical state to rotate in a self-adaptive manner, so that the lower die can be accurately fixed in a proper state without being accurately adjusted, the operation difficulty is reduced, and the production efficiency is improved. And the positioning accuracy is improved, so that the overall injection molding efficiency is greatly improved.

The utility model relates to high temperature resistant fireproof thermal insulation sleeve technical field, especially for a kind of high temperature resistant fireproof thermal insulation sleeve, including ceramic fibre layer, aerogel composite layer and flame-retardant coating fabric, the inside of ceramic fibre layer is fixedly connected with aerogel composite layer, the inside of aerogel composite layer is fixedly connected with flame-retardant coating fabric, the inside of flame-retardant coating fabric is fixedly connected with support plate, the end of support plate away from flame-retardant coating fabric is fixedly connected with support layer, the inside of support layer is equipped with pipeline, in the utility model, support plate and support layer being set can make the interval between protective structure and pipeline, further separate fire source and pipeline, support limit rod and spring simultaneously, under the action of spring, it is convenient to the pipe of multiple sizes is clamped and fixed, effectively improve the compatible effect of protective structure, only one production mould can satisfy the use demand of multiple sizes pipe, save cost.

The utility model discloses a guider for treating distal clavicle fracture with a belt carrier titanium plate, which relates to the technical field of medical instruments and comprises a sliding handle, a sliding groove is formed in the front of the sliding handle in a penetrating manner, and a coracoid fixing component is mounted in the sliding groove and used for being positioned on the outer side of the distal clavicle. The coracoid fixing assembly comprises a sliding connecting rod, one end of the sliding connecting rod is located in the sliding groove, and the other end of the sliding connecting rod is provided with a fixator positioning bottom foot. The guider is suitable for grassroots units, avoids large incision clavicle hook steel plate imbedding, ensures that the position of the guiding kirschner wire of the belt carrier titanium plate is accurate, and avoids damaging important visceral organs, blood vessels and nerves, so that the guider is more minimally invasive, and more convenient and safer to operate.