266results about How to "Guaranteed positioning" patented technology

The invention belongs to the technical field of photoelectric control. The invention provides an IMU (Inertial Measurement Unit) installation deviation angle correction method based on a photoelectric pod geographic tracking mode. According to the embodiment of the invention, online calibration is carried out by converting the visual axis angle into the image and continuously correcting the target geographical tracking result, so that the positioning and geographical tracking of the photoelectric pod on the target in the calibration sortie flight are more accurate; the target positioning and geographical tracking effects of subsequent flight sorties are ensured, and the execution efficiency of flight tasks is greatly improved.

The invention provides a portable engineering exploration drilling machine for rock core drilling and a drilling coring method.The portable engineering exploration drilling machine comprises a drilling machine base, a lifting system, a power head assembly, a clamping mechanism and an operation table, the power head assembly comprises a power head and a driving mechanism, and the power head comprises a driving main shaft of a hollow structure; the torque transmission device is configured for torque transmission, axial feeding and / or coring of the drill rod; the power head is arranged on the sliding frame, and a third driving mechanism is configured to drive the power head to conduct limited translation in the direction perpendicular to the axis of the drill rod so that the power head can be freely switched between the first position and the second position. According to the drilling machine, translation of the power head can be achieved, drilling of engineering investigation construction can be met, standard penetration testing can be conducted, and the working efficiency and the construction progress are improved; and due to the structural design of the hollow mandrel, the coring work is facilitated, and the labor intensity of operators is greatly reduced.

The invention discloses intelligent water conservancy irrigation equipment based on intelligent agriculture, and belongs to the technical field of intelligent irrigation. The intelligent water conservancy irrigation equipment comprises a base, moving wheels are rotatably mounted on the outer side of the base through a rotating shaft, a bottom plate is fixedly mounted at the bottom of the base, and a support is fixedly mounted at the top of the base; a water collecting assembly is fixedly mounted on the top surface of the bracket; according to the device, the water collecting assembly and the lifting water guide mechanism are arranged in a matched mode, through the design, the device can automatically control release of water flow according to the irrigation environment condition, manual management is not needed, the intelligent degree is high, and the whole device can achieve lifting rotating water sprinkling irrigation on crops; the irrigation range and effectiveness of crops can be greatly improved, the equipment is not provided with a plurality of driving sources, the energy consumption of the whole equipment can be reduced, the failure rate of the equipment can be reduced, and the actual application effect of the equipment is improved.

The invention discloses a full-size wind tunnel high-load blade, which relates to the technical field of wind tunnel equipment and comprises a metal blade root, a hollow main beam and a blade body, a main beam connecting section is arranged at one end of the metal blade root, and the side wall of the main beam connecting section is a first conical side wall surface; the large opening end of the first conical side wall face is closer to the end, provided with the main beam connecting section, of the metal blade root than the small opening end of the first conical side wall face. The hollow main beam is formed by wrapping a carbon fiber cloth layer; a blade root connecting section is arranged at one end of the hollow main beam and fixedly arranged on the main beam connecting section in a sleeving mode. The inner side wall of the blade root connecting section is a second conical side wall face, and the second conical side wall face is attached to the first conical side wall face. The blade body is made of a carbon fiber material; and the blade body is fixedly arranged on the hollow main beam. The lightweight design degree of the blade is improved, and the lightweight effect of the blade structure is achieved.

The utility model discloses a laser cutting machine positioning structure for plates, which comprises a machine frame, a cutting workbench arranged on the machine frame, a laser cutting machine capable of realizing three-axis movement and a plate conveying structure arranged on the machine frame, and the plate conveying structure comprises two groups of belt pulley conveying belts arranged at intervals. The two sets of belt wheel conveying belts are synchronously driven, the plate conveying structure is arranged above the cutting workbench and connected to the rack in an up-down sliding mode, positioning structures are arranged on the two side walls of the table top of the cutting workbench and comprise positioning plates, a plurality of limiting pieces are arranged on the positioning plates in the plate conveying direction, and the limiting pieces abut against one another. The limiting piece is vertically slidably connected to the positioning plate. According to the utility model, the plate is conveyed and positioned through the conveying structure, and then the front end and the rear end of the plate are limited by the limiting piece, so that the position of the plate is fixed, the plate is positioned while convenient feeding is realized, and the stability of light cutting is ensured.

The utility model provides an angle-adjustable interlocking retaining wall brick which comprises a main body, a splicing locking male tongue-and-groove and a splicing locking female tongue-and-groove are fixedly arranged at the two ends of the main body respectively, and an upper locking tongue-and-groove and a lower locking tongue-and-groove are fixedly arranged on the top surface and the bottom surface of the main body respectively. Chamfering parts are arranged on the two sides of the splicing locking female rabbet at the same time, the chamfering parts are located on the two sides of the two ends of the main body at the same time, and a vertical through hole is formed in the surface of the main body in a penetrating mode. By means of the upper locking rabbets and the lower locking rabbets which are arranged in a matched mode, the effect that every two layers of wall bricks are mutually overlapped and meshed is achieved when brick bodies are overlapped and built, a camber angle with a certain angle is formed, and in the building process, when a plurality of brick bodies are overlapped and built, the wall bricks are not prone to falling off. Stacked brick bodies are meshed up and down through the upper locking rabbets and the lower locking rabbets, so that stability and positioning during stacking and building are guaranteed, and mortar cementation is not needed during mounting and building.

The utility model provides a motor bearing press-fitting device which comprises a supporting table, a guide column, a supporting plate, a press-fitting structure, a supporting frame, a press-fitting hydraulic structure and a bearing positioning structure, the guide column is fixedly installed on the surface of the supporting table, the supporting plate is fixedly installed on the top of the guide column, and the press-fitting structure is installed on the surface of the guide column in a sliding mode; the supporting frame is fixedly installed on the surface of the supporting table, and the press-fitting hydraulic structure is fixedly installed on the top of the supporting frame and fixedly connected with the press-fitting structure. The bearing positioning structure is fixedly mounted on the surface of the supporting table; due to the arrangement of the press-fitting structure and the bearing positioning structure, the problems that an existing bearing press-fitting structure is still incapable of accurately positioning, uneven in pressure distribution and relatively low in production efficiency are solved.

The present invention relates to the field of battery technology, and discloses a negative electrode collector disk, a battery and a battery pack, wherein the negative electrode collector disk includes a first welding area, a second welding area and an elastic buffer area. The first welding area includes a first welding portion, and the first welding portion is suitable for welding with the negative electrode cover plate of the battery; the second welding area is located outside the first welding area, and the second welding area includes a second welding portion, and the second welding portion is suitable for welding with the electrode group of the battery; the second welding portion is recessed in the first welding portion; the elastic buffer area is located between the first welding area and the second welding area, and radially separates the first welding portion and the second welding portion; the inner side of the elastic buffer area is connected to the first welding portion, and the outer side of the elastic buffer area is connected to the second welding portion. The present invention sets an elastic buffer area so that there will be no mutual influence of vibration between the first welding area and the second welding area, thereby ensuring the performance of the battery cell, avoiding pulling on the pole ear due to inaccurate positioning, and having high reliability.

The utility model relates to the technical field of reinforcing steel bar positioning, in particular to an adjustable reinforcing steel bar positioning device which comprises a reinforcing steel bar support, a movable block, a positioning device and a positioning device. The adjusting and positioning mechanism is arranged on the outer side of the movable block; comprising a plurality of connecting bases, an adjusting assembly and a moving assembly. The multiple connecting bases are arranged on the outer side of the movable block, and the adjusting assembly is arranged outside the movable block and connected with the movable block through the connecting bases; the moving assembly is arranged between the movable block and the steel bar support. The positioning range can be adjusted through the adjusting assembly when the reinforcing steel bar support is used, so that the positioning range of the reinforcing steel bar support can be dynamically adjusted according to the sizes of different reinforcing steel bar meshes to ensure accurate adaptation and stable supporting, and the moving assembly can adjust the distance between the movable block and the reinforcing steel bar support, so that the downward pressing force on the reinforcing steel bar meshes is synchronously adjusted; the problems that in the prior art, a reinforcing mesh cannot be effectively positioned, and the binding quality of the reinforcing mesh cannot be guaranteed are solved.

The utility model discloses a multi-face clamping fixture for an automobile die, which belongs to the technical field of die clamping and comprises a workbench, a plurality of sliding grooves are formed in the workbench, a fluted disc is rotatably connected to the lower side of the workbench, a guide groove is formed in the fluted disc, a driving motor is installed on the lower side of the workbench, a gear is installed at the output end of the driving motor, and the gear is connected with the fluted disc in a meshed mode. A supporting rod is slidably connected between each guide groove and the corresponding sliding groove, a fixing sleeve is installed on each supporting rod, a distance adjusting mechanism is arranged on each fixing sleeve, and a fixing mechanism is installed on each distance adjusting mechanism, so that the equipment can be changed according to the shape and size of a mold during clamping, and the equipment is further more convenient to use; and the clamping is more stable.

The invention relates to a jack wire crimping device which comprises a jack feeding mechanism, a wire feeding transfer station, a laser wire stripping mechanism, a crimping mechanism, a crimping detection mechanism and a discharging mechanism which are arranged on a workbench. The closed-loop transfer track base and the wire feeding frame are combined to complete wire stripping, plugging jack crimping, crimping detection and classified discharging on the laser wire stripping mechanism, the crimping mechanism, the detection mechanism and the discharging mechanism, so that the plugging crimping operation of the wire jack is integrally completed, the automation degree is high, and the plugging precision is high.

The invention relates to the technical field of mechanical positioning, and particularly discloses a high-precision automatic positioning device which comprises a driver, a driving rod, a positioning pin and a positioning seat with a guide hole, the positioning pin is mounted on the driving rod and slidably connected in the guide hole, one end of the positioning pin is provided with circumferentially distributed elastic blocks, and the other end of the positioning pin is slidably connected in the guide hole. The tensioning block is matched with the elastic block in a wedge surface / conical surface mode, the elastic block is located on the outer side of the tensioning block in the circumferential direction, the driving rod pushes the positioning pin to move, the tensioning block and the positioning pin are coaxial, and after the tensioning block expands the elastic block, the elastic block abuts against the guide hole. According to the positioning method, a high-precision automatic positioning device needs to be used for positioning a to-be-positioned part, and the positioning method comprises the following steps that the positioning pins are controlled to be inserted into the positioning holes, and then the tensioning blocks are controlled to continue to move towards the positioning holes so as to expand the elastic blocks. The scheme is used for solving the problem that the positioning precision is difficult to ensure due to a gap between the positioning pin and the positioning seat.

The utility model relates to the technical field of current collection line iron tower grounding, in particular to a modular grounding device for a current collection line iron tower, which is characterized in that a galvanized steel bar is arranged on the side surface of a power transmission iron tower, a limiting hole is formed in the surface of the galvanized steel bar, a positioning rod is inserted into the limiting hole, a galvanized rod is arranged at one end of the positioning rod, and a grounding module body is arranged at one end of a connecting rod; the beneficial effects are that through the arrangement of the power transmission tower, the galvanized steel bars, the connecting rods, the galvanized rods, the grounding module body and the like, the connecting rods can be positioned at set intervals, and the positioning rods on the galvanized rods can be inserted into the limiting holes, so that the galvanized rods can be positioned; the grounding module bodies welded on the connecting rods can be distributed at equal intervals by inserting the limiting rods into the limiting grooves, the lengths of the grounding rays can be correspondingly selected according to the resistivity condition of the soil, and then a proper number of grounding module bodies are selected according to the resistivity of the soil; and the grounding effect of the power transmission tower is further ensured.

The invention discloses a feeding assembly for continuous welding of a metal ring. The feeding assembly comprises a feeding mechanism, a guide mechanism and a feeding mechanism. The feeding mechanism is installed below the guide mechanism, a vertical limiting plate matched with a seam of a workpiece is arranged between the feeding mechanism and the guide mechanism, and the limiting plate is in sliding connection with the guide mechanism. A workpiece is arranged on the feeding mechanism in a sleeving mode, a seam of the workpiece faces upwards, and the lower end of the limiting plate is clamped into the seam of the workpiece. The fixed end of the feeding mechanism is connected with the guide mechanism, and the driving ends of the feeding mechanism are arranged on the two sides of the feeding mechanism, make contact with workpieces on the feeding mechanism and drive the workpieces to move in the axial direction of the feeding mechanism. The invention further discloses a feeding and discharging system and method. The automatic welding machine has the beneficial effects that automatic feeding of workpieces and positioning of weld seam openings can be conducted, automatic feeding and discharging are achieved, the automation degree is high, and the feeding efficiency and the welding quality are improved.

The present invention discloses a curtain wall clamping quick positioning assembly device and assembly method, and relates to the technical field of curtain wall clamping. The curtain wall clamping quick positioning assembly device and assembly method include a curtain wall clamping mechanism, and the curtain wall clamping mechanism includes a fixing device, and the outer wall of the fixing device is fixedly connected with four connecting rods, and the ends of the four connecting rods are fixedly connected with fixing plates, and the outer wall of the fixing plate is fixedly connected with limit blocks, and the number of the fixing plates and limit blocks is four. The curtain wall clamping quick positioning assembly device and assembly method, through a spring arranged between the bolt and the fixing device, under the elastic lifting of the spring, the bolt and the fixing device threads are further fitted, and the friction between the threads is increased after fitting, thereby ensuring the fixation between the fixing device and the bolt, reducing the activity of the bolt, and the magnetic repulsion between the first magnetic block and the second magnetic block.

The utility model provides a battery pack mounting and positioning structure which comprises a first positioning unit arranged between a battery pack and a vehicle body and a second positioning unit arranged among the battery pack, the vehicle body and a battery pack tray. The first positioning unit is provided with a first positioning piece and a first positioning hole matched with the first positioning piece, and a first positioning gap is formed between the first positioning piece and the first positioning hole. The second positioning unit is provided with a second positioning piece and a second positioning hole matched with the second positioning piece, a second positioning gap is formed between the second positioning piece and the second positioning hole, and the first positioning gap is larger than the second positioning gap. According to the battery pack installing and positioning structure, the first positioning unit can play a role in guiding assembly and preventing the battery pack from colliding with peripheral parts in the battery pack installing process, the second positioning unit facilitates centering of connecting points of the battery pack and a vehicle body, and meanwhile the second positioning unit can be used for positioning the battery pack after the battery pack is assembled. And the first positioning piece can be conveniently and smoothly disassembled.

The utility model provides a kind of gas stove shell and table type gas stove, and gas stove shell includes: panel, bottom shell and the coaming connected between bottom shell and panel;The coaming is at least partially enclosed in the outside of panel and bottom shell, and first support part and second support part of protruding extension are equipped in its inside, wherein first support part is attached or connected with bottom shell, and second support part is attached or connected with panel.The utility model is by setting shell including panel, bottom shell and coaming, coaming is connected between panel and bottom shell, and at least partially enclosed in the outside of panel and bottom shell, can guarantee the positioning effect between coaming and panel, bottom shell, improve the efficiency and installation accuracy of assembly, simultaneously, when assembling and overhauling gas stove, coaming and bottom shell can be disassembled, and it is convenient for operator to disassemble and maintain functional components installed on bottom shell;Moreover, it is also favorable for reducing the production difficulty and scrap rate of bottom shell, and improving production efficiency.

The invention provides an intelligent light supplementing method and device, electronic equipment and a readable storage medium, and relates to the technical field of intelligent parking, and the method comprises the steps: monitoring the parking space state of a target parking space; if it is monitored that the parking space state meets the preset event triggering condition, controlling a parking space indicating lamp of the target parking space to be switched to a light supplementing mode; and in response to the light supplementing mode completion signal, controlling the parking space indicating lamp to be switched from the light supplementing mode to an indicating mode so as to indicate the parking space state of the target parking space. According to the intelligent light supplementing method and device, the electronic equipment and the readable storage medium provided by the invention, the camera shooting recognition effect of the target parking space can be improved by multiplexing the parking space indicator light and utilizing the parking space indicator light to carry out light supplementing, so that the license plate recognition precision and the vehicle positioning effect are ensured.

The utility model relates to the technical field of ultrasonic welding production mold devices of automobile lamp parts, in particular to a lower mold device of an ultrasonic welding mold, which is fixedly mounted on a mold base through a mold fixing block, a first accommodating groove is formed in one side, far away from the mold base, of the mold fixing block, and a mold movable block is mounted on the mold base in a sliding manner. A second containing groove is formed in the side, away from the mold base, of the mold movable block, a welding part is located in the first containing groove and the second containing groove, the driving assembly drives the mold movable block to move, and the driving assembly drives the mold movable block and the mold fixed block to be closed or separated, so that the welding part can be taken and placed; and meanwhile, through the action of the first containing groove and the second containing groove, the welding parts can be positioned and supported, and therefore it is guaranteed that the welding parts are conveniently taken and placed while being positioned and supported.

The present invention relates to the technical field of pipe network construction, and specifically to a device and method for horizontal directional drilling and expansion of trenchless pipes in a water supply pipe network. The device comprises a base and a receiving track movably arranged on the base, and also comprises: a clamping mechanism, one group of which is arranged on each side of the receiving track, the clamping mechanism can clamp and limit the pipe located in the receiving track by storing elastic potential energy, the clamping mechanism is connected to a pressure-applying mechanism arranged on the side of the receiving track; a hydraulic drive mechanism is installed on the base and connected to the receiving track, the hydraulic drive mechanism is used to drive the receiving track to deflect on the base to change the pushing angle of the pipe; during the construction process, the limiting force exerted on the pipe can be automatically enhanced as the pushing angle increases, and there is no need for staff to perform debugging according to specific circumstances, thus eliminating the time-consuming and labor-intensive operation process and improving the construction efficiency to a certain extent.

The utility model relates to the technical field of lithium battery production, in particular to a pole piece positioning mechanism and a pole piece laminating device. The pole piece positioning mechanism comprises a positioning part, the positioning part comprises a bearing end wall, a first side peripheral wall and a second side peripheral wall, the bearing end wall is provided with a bearing end face used for bearing a pole piece, the vertical height of the bearing end face is gradually reduced in the first horizontal direction to form a first higher side and a first lower side, and the vertical height of the bearing end face is gradually reduced in the second horizontal direction perpendicular to the first horizontal direction to form a second lower side. The vertical height of the bearing end face is gradually reduced to form a second higher side and a second lower side, the first side peripheral wall is connected to the bearing end wall and arranged on the first lower side, and the second side peripheral wall is connected to the bearing end wall and arranged on the second lower side. The pole piece lamination device comprises the pole piece positioning mechanism. The pole piece positioning mechanism and the pole piece lamination device provided by the utility model are simple in overall structure, high in pole piece positioning efficiency and easy to control in pole piece positioning precision.

The invention discloses a chest tumor radiotherapy-used vacuum pad and thermoplastic body film combined fixing device, and belongs to the technical field of medical apparatuses and instruments, and the chest tumor radiotherapy-used vacuum pad and thermoplastic body film combined fixing device comprises a thermoplastic film; the headrest is arranged at one end of the thermoplastic film; the laminating positioning mechanism is arranged on the inner side of the thermoplastic film and comprises a laminating assembly, a shrinkage orientation assembly and a film positioning assembly; during use, the device can maintain relatively uniform distribution of filling materials in the material storage pad, the device can be attached to the shape of the body of a patient when a vacuum state is maintained, meanwhile, in the process of pumping out gas in the material storage pad, the side air bags on the side face can be expanded, and the material storage pad on the body side of the patient gets close to the body of the patient; the effects of uniformly supporting the patient and assisting the material storage pad to fit the shape of the body of the patient are achieved; the problems that in the prior art, filler in a vacuum pad moves and is distributed unevenly, when the interior of the vacuum pad is vacuumized, a gap is generated between the vacuum pad and the body of a patient and is not attached, and the effects of supporting the patient and shaping the chest side are poor are solved.

The present invention discloses a method for monitoring, managing and optimizing traffic flow at an intersection of a campus CPS system, wherein the monitoring and management methods include: S1, dividing the campus intersection into four sub-area systems; S2, each sub-area system includes a camera perception module, an information processing module and a CPS calculation module; S3, deploying the trained SAM‑s target detection model into the CPS calculation module to locate the vehicle and determine the traffic flow; S4, judging whether a campus traffic accident has occurred; S5, when the traffic flow at any two intersections is greater than k_1, a one-way green light is used for N seconds, and when the traffic flow at any intersection is greater than x_1, additional personnel are dispatched to manage the intersection; wherein the optimization method includes: S6, using the monitoring and management methods as described above at the school gate and all intersections, setting up graph nodes and forming a traffic flow network, and using an improved graph neural network to regulate them; purpose: to achieve real-time and regional level traffic optimization and regulation, and alleviate regional congestion during campus peak hours.

The packaging steel drum convenient to hoist comprises a steel drum body, a sealing cover is arranged at the position of an opening in the upper end of the steel drum body, a connecting rod is arranged above the steel drum body, the connecting rod is of an inverted-V-shaped structure, the two ends of the connecting rod are connected with the outer wall of the steel drum body through rotating assemblies, and the rotating assemblies are arranged on the steel drum body. A buffering mechanism is arranged at the bottom of the steel drum body and composed of a bottom plate and buffering springs, the bottom plate is located below the steel drum body, the multiple buffering springs are fixedly connected between the bottom plate and the steel drum body, and the multiple buffering springs are distributed in an annular array. The lifting hook can be ensured to be positioned in the middle of the connecting rod through the connecting rod with the inverted V-shaped structure, so that the balance of the steel drum body after the steel drum body is lifted is ensured, and when the steel drum body needs to be put down, the plurality of buffer springs between the bottom plate and the steel drum body can provide a buffer effect, so that the steel drum body is prevented from being impacted when falling to the ground.

The utility model discloses an acupuncture mechanism and radiopharmaceutical subpackaging equipment comprising the same. The needling mechanism comprises a sliding shaft, an operating handle sliding up and down along the sliding shaft and a needle frame base plate, the sliding shaft is further sleeved with an elastic piece, the upper end of the elastic piece is connected with the operating handle, the lower end of the elastic piece is connected with the needle frame base plate, and a first buckle used for fixing an extraction needle is arranged on the needle frame base plate. The extraction needle moves up and down along with the needle frame base plate under the action of the operating handle, so that a soft bottle plug of a medicine bottle can be punctured. The operation handle and the needle frame base plate are arranged on the sliding shaft, the elastic piece is arranged between the operation handle and the needle frame base plate, buffering can be ingeniously provided for the extraction needle to pierce a soft bottle plug of a medicine bottle, buffering can also be provided when the extraction needle makes contact with the bottom of the medicine bottle, and bending of the extraction needle and damage to the bottom of the medicine bottle are avoided; the liquid medicine in the medicine bottle can be completely extracted to the maximum extent, the extraction requirement is met, radiation residues are reduced, and harm to operators is reduced.

The invention relates to the technical field of dredger positioning, in particular to a positioning mechanism for a dredger, which comprises a frame, a positioning pile is rotatably inserted in the frame, the positioning pile is connected with the frame through a power mechanism, a connecting piece is arranged above the positioning pile, and the connecting piece is connected with the frame through a mounting mechanism. Two groups of processing parts are arranged below the frame, the processing parts are connected with the frame through a moving mechanism, and bulges are fixedly mounted on one sides, far away from the frame, of the processing parts and are steel needles. According to the positioning mechanism for the dredger, through the arrangement of the treatment piece, under the action of the protrusion, garbage at the water bottom can be moved away from the lower portion of the positioning pile, so that the garbage at the water bottom cannot affect the positioning pile, the stability of the positioning pile fixed to the water bottom is guaranteed, and the positioning effect of the dredger is guaranteed; the dredger can move within a certain range, and the movement range of the dredger during positioning can be expanded.

The invention provides a telescopic three-section type electric helicopter aerial oil receiving device which comprises a first pipe 12, a second pipe 11, a third pipe 18, a sealing ring 8, a first operation box 9, a second operation box 17, an initial cable 10 and a relay cable 1, the first pipe 12, the second pipe 11 and the third pipe 18 achieve the telescopic function in a sleeving mode, and fuel oil flows in the first pipe 12, the second pipe 11 and the third pipe 18; the first pipe 12, the second pipe 11 and the third pipe 18 are coaxial, the second pipe 11 is sleeved with the first pipe 12, and the third pipe 18 is sleeved with the second pipe 11; the first pipe 12 is fixedly connected with the helicopter end, and the second pipe 11 is in butt joint with the oiling machine end. Each of the first operation box 9 and the second operation box 17 comprises a motor 33, a control box 6, a winch 4, a worm 22, a turbine 5 and a bearing 19; a first pipe tail end inner limiting ring 20 is arranged on the first pipe 12, a second pipe tail end inner limiting ring 7 and a second pipe front end outer limiting ring 16 are arranged on the second pipe 11, and a third pipe front end outer limiting ring 13 is arranged on the third pipe 18.

The utility model discloses a clamping tool for valve ball production, which comprises a supporting tool unit, a clamping unit and a clamping unit, the supporting tool unit comprises a tool seat and a supporting plate fixedly mounted at one end of the upper side wall of the tool seat, and a valve ball is arranged on one side of the supporting plate; the adjusting and positioning unit comprises a driving motor fixedly installed on the side, away from the valve ball, of the supporting plate, an output shaft of the driving motor penetrates through the supporting plate to be fixedly connected with a rotating cylinder, the side wall of the rotating cylinder is rotationally connected with an adjusting rod, the adjusting rod is inserted into the rotating cylinder to be fixedly connected with a first bevel gear, and the inner walls of the two ends of the rotating cylinder are rotationally connected with rotating rods; the rotating rod is fixedly sleeved with a second bevel gear meshed with the first bevel gear, and a plurality of sets of third bevel gears meshed with the first bevel gear are arranged in the rotating cylinder. The surface of the valve ball cannot be blocked while the valve ball is positioned, normal polishing production and spraying of the valve ball are guaranteed, the valve ball does not need to be disassembled and assembled repeatedly, and the production efficiency of the valve ball is improved.

The invention discloses a connecting piece of a building mechanical and electrical installation supporting and hanging bracket system and an installation method, and relates to the technical field of supporting and hanging brackets, the connecting piece comprises a hanging rope, an air opening support and a round pipe support, and the round pipe support is detachably connected with an inner pull buckle. The clamping device is arranged between the tuyere support and the circular pipe support and used for controlling clamping and loosening of the air pipe while rapidly controlling the distance between the tuyere support and the circular pipe support; through the arranged quick adjusting assembly, the air port support and the round pipe support can be synchronously controlled by controlling the rotating direction of a longitudinal screw rod and controlling the distance between the air port support and the round pipe support, a pipeline and an air pipe are mounted and dismounted correspondingly, meanwhile, the air pipe is clamped and loosened through a clamping block, and the air pipe can be conveniently and quickly mounted and dismounted. The working time of workers between different supports and hangers is saved, and the fixing efficiency of the pipeline and the air pipe is improved.

The utility model provides a kind of carbon fiber yarn feeder's silk separating device and carbon fiber yarn feeder, silk separating device is arranged between silk roll and tension controller, including, silk separating comb, it includes the multiple guide wire posts of interval arrangement along the axial direction of silk roll, for wire drawing between adjacent two guide wire posts;Guide wheel, along the wire direction, it is arranged in the downstream of silk separating comb, its outer periphery is equipped with multiple first guide wire grooves along its axial direction arrangement, each first guide wire groove and the clearance between each adjacent two guide wire posts correspond.The utility model can divide the original silk bundle into multiple groups of output by silk separating comb and guide wheel, the setting of silk separating comb can ensure that each group of original silk bundle is stably fallen into each first guide wire groove of guide wheel, ensure the positioning effect to each group of original silk bundle, so that, when the yarn feeder is uncoiled to multiple original silk bundles, avoid the situation of parallel silk, improve the uniformity and stability of each group of original silk bundle state in the process of yarn feeding, improve the quality of carbon fiber.