13results about How to "Constant position" patented technology

The invention relates to the field of flange plate welding, in particular to an automatic flange plate welding device which comprises a fixing table, a three-jaw chuck used for clamping a flange plate is arranged at the upper end of the fixing table, and a fixing mechanism used for fixing the flange plate and a pipeline and a circumferential welding mechanism used for welding the pipeline to the flange plate are arranged above the fixing table. In the downward moving process of the fixing mechanism, the flange plate which is clamped and fixed can be limited in the circumferential direction, the upper end of a pipeline can be pressed, meanwhile, the pipeline can be clamped through the inner clamping assembly, the effect that one machine has multiple functions is achieved, it is ensured that the flange plate and the pipeline reach the optimal alignment state before welding, and the welding efficiency is improved. And meanwhile, the overall structural stability in the welding process can be further improved, the welding quality is improved, and the overall working efficiency is improved.

The utility model relates to a Raman spectrum technology, and particularly discloses a component detection system based on the Raman spectrum technology, the component detection system comprises a laser, a Raman probe, a sample accommodating structure, a spectrograph and a shading shell, the laser, the Raman probe, the sample accommodating structure and the spectrograph are respectively arranged in the shading shell, the Raman probe is in optical signal connection with the laser device and the spectrograph, and the laser device, the Raman probe and the sample containing structure are sequentially arranged along a preset laser emitting path. The laser, the Raman probe, the sample accommodating structure and the spectrometer are arranged in the shading shell, so that the influence of natural light and ambient light on a measurement result can be avoided as much as possible.

This utility model provides a cable fixing structure for the handover test of a photovoltaic power station transformer substation, belonging to the technical field of cable fixing structures. The cable fixing structure includes: a wedge-shaped metal ring assembly divided into at least three circumferential segments, each segment having a spiral groove on its outer surface; a high-friction flexible pad tightly fitted to the inner circumferential surface of each segment; and an integral elastic steel ring surrounding the outer side of the metal ring assembly, the inner circumferential surface of which has a protruding ridge that engages with the spiral groove. When the elastic steel ring rotates relative to the metal ring assembly, the protruding ridge slides along the spiral groove, driving each wedge-shaped metal ring segment to synchronously contract radially and synchronously generate axial displacement, thus forming a self-tensioning clamp. This solves the problem of loose cable joints and uneven stress during the handover test caused by the inability of traditional fixing structures to adaptively clamp according to changes in cable tension.

This utility model relates to the field of busbar power extraction technology, specifically to a quick clamping device for busbar power extraction. It includes a fixed conductive rod, a movable conductive rod, a clamping mechanism, a sliding spring, and a cable quick connector. A connecting rod fixing seat is mounted on the top of the fixed conductive rod. The movable conductive rod is sleeved within the fixed conductive rod and moves axially, with a sliding connecting rod vertically connected to its top. The clamping mechanism includes two symmetrical clamping units and two connecting rods. Each unit includes two parallel clamping connecting rods and a busbar clamping block. One end of the clamping connecting rod is hinged to the connecting rod fixing seat on the same side, and the other end is hinged to the busbar clamping block. One end of the connecting rod is hinged to the end of the sliding connecting rod, and the other end is hinged to the body of the clamping connecting rod on the same side, forming a parallelogram mechanism to constrain the vertical movement of the busbar clamping block. The sliding spring is located inside the movable conductive rod, with both ends abutting against the inner wall of the movable conductive rod and the bottom surface of the sliding connecting rod. This utility model solves the technical problem of busbar power extraction in small spaces through miniaturized design and adaptive structure.

The utility model relates to material transfer technical field, concretely is a kind of automatic clutching mechanism, comprising: power supply component and clutching mechanism;Wherein, the clutching mechanism is driven by shuttle car upper mechanism to realize the separation of clutching mechanism and power supply component;The power supply component is independently driven to rotate by shuttle car upper driving device.The utility model can greatly save hardware configuration cost, and it is pure mechanical mechanism, reliable stable performance, and possess automatic locking mechanism, and the material of transfer can be constant in position on station module, not slip, and can reduce the energy requirement of production line.

The invention relates to the technical field of brake-by-wire systems, in particular to a transmission mechanism of a high-clamping-force electric control mechanical brake, which comprises a transmission assembly, the transmission assembly comprises a driving mechanism, a driven mechanism, a lower shell, a reduction gear component meshed with an output shaft of the driving mechanism, and a first retainer arranged on the reduction gear component, the fixed end of the driving mechanism is arranged in the caliper body, the driven mechanism is fixed to the caliper body and arranged on one side of the driving mechanism, the driven mechanism is connected with the reduction gear assembly and transmits torque, a driving shaft of the driven mechanism is in simple support connection with the first retainer, and when the driving shaft rotates freely, the first retainer can only move in the axial direction of the driving shaft, and the first retainer can only move in the axial direction of the driving shaft. According to the invention, the first retainer and the driving shaft form simple support connection, so that the axial displacement of the first retainer is reduced, the transmission stability is improved, and meanwhile, the noise generated in the operation process is reduced.

The invention discloses a high-frequency welding aluminum alloy pipe strip guide-in device, and relates to the technical field of pipe machining, the high-frequency welding aluminum alloy pipe strip guide-in device comprises a high-frequency welding machine guide-in frame, a side guide vertical plate and an anti-jumping downward pressing frame, the side guide vertical plate is installed on the top of the high-frequency welding machine guide-in frame, and a guide wheel fixing frame is installed on the opposite side of the side guide vertical plate; the strip edge guide wheel is installed on the inner side of the guide wheel fixing frame, and the strip edge sliding groove is formed in the opposite end of the strip edge guide wheel. The strip edge guide assembly is arranged at the top of the high-frequency welding machine guide-in frame, the two side ends of an aluminum alloy strip slide on the inner sides of the strip edge guide wheels and move in the direction away from the material guide frame to be conveyed to the working position of the high-frequency welding machine, and sliding limiting ensures that the aluminum alloy strip is kept in a stable posture and position in the conveying process; and deviation or shaking of the strip materials in the conveying process is prevented, stable strip material conveying is beneficial for a high-frequency welding machine to conduct welding work with higher efficiency, and stable conveying and precise welding of different strip materials are achieved.

The utility model relates to the technical field of wire unwinding, and discloses a self-powered wire unwinding pulley, which comprises a base, a winding shaft arranged in the base, a driving box arranged on one side of the base, a linkage shaft arranged at the lower end of the outer wall of the driving box, a linkage assembly arranged in the driving box, and a transmission shaft arranged on the lower end of the outer wall of the linkage assembly, the driving box is used for driving the winding shaft to rotate, the adjusting assembly is matched with the linkage shaft to provide power for the winding shaft, the adjusting assembly is arranged at the upper end of the bottom of the base and used for controlling the operation power of the linkage shaft, and the mounting shell is arranged in the center of the outer wall of the driving box. And the condition of over-tightness or over-looseness is avoided.

The present invention belongs to the field of plasma welding technology, and in particular to a plasma welding device and method for panel lamp processing. In view of the fact that current plasma arc welding equipment cannot be adaptively adjusted according to the shape and specifications of the welding object, the following scheme is proposed, including a platform, the platform is fixedly connected to a base, and a circular hole is provided on the welding platform, the inside of the circular hole is movably connected to the welding platform, and a mold frame is provided on the outside of the welding platform, a slide groove is provided on the upper side of the platform, the inside of the slide groove is movably connected to a shifting platform, and a movable welding assembly is provided on the shifting platform, and the movable welding assembly includes a movable platform. The plasma welding device and method for panel lamp processing disclosed by the present invention can be adaptively adjusted according to the model and specifications of the panel lamp by using the movable welding assembly during the welding process, so that the position of the welding gun and the welding point remains constant, so that the weld states of the panel lamps produced in the same batch are the same.

This invention relates to the field of welding technology, specifically disclosing a welding device for manufacturing filing cabinets, applied to the welding of the joints between U-shaped panels and side panels. The device includes: a base; a traction unit; an outer positioning unit; an inner positioning unit; and a welding unit. The traction unit drives the welding unit to move at a uniform speed along the joint, avoiding welding interruptions caused by traditional clamps, eliminating multiple weld joints, preventing defects such as incomplete welding and lack of fusion, and ensuring that the entire joint is formed in one go with stable and reliable quality. The inner and outer positioning units move synchronously with the traction unit, keeping the side panels vertical throughout the process, preventing tilting or misalignment caused by thermal stress or external forces, and ensuring a constant relative position between the welding unit and the joint, providing a precise trajectory for continuous welding. The welding unit is placed on the inner positioning unit and welds from the inside of the cabinet, with the weld hidden inside. The outer surface is smooth and uniform, without any joint protrusions or depressions, meeting the dual requirements of aesthetic appearance and structural integrity for filing cabinets.

The invention discloses a bamboo ecological board flatness detection device, and relates to the technical field of flatness detection, the bamboo ecological board flatness detection device comprises a mounting disc and a rotating disc, the bamboo ecological board flatness detection device further comprises a clamping part, the clamping part is used for clamping an ecological board and adjusting the clamping angle of the ecological board, the clamping part comprises a plurality of clamping assemblies, and the clamping assemblies are used for clamping the ecological board and adjusting the clamping angle of the ecological board; the clamping assembly comprises a fixed plate fixedly mounted on the rotating disc, a movable plate is mounted on the fixed plate through a lifting mechanism, and the lifting mechanism adjusts the distance between the movable plate and the fixed plate according to the angle change of the rotating disc relative to the mounting disc. The bamboo ecological board detection device has the advantages that bamboo ecological boards can be conveyed through rotation of the rotating disc, fixing, detection and discharging operation of the bamboo ecological boards can be automatically achieved according to the rotating angle, manual intervention is not needed, the automation degree is high, the overall flatness of the bamboo ecological boards can be more accurately obtained, and the product quality is guaranteed.

The invention discloses a jet electro-deposition device for programmable additive manufacturing of a block nano-metal material, and belongs to the technical field of electro-deposition, the jet electro-deposition device comprises an electrolyte tank, the periphery of the electrolyte tank is sleeved with a device body, the upper end of the device body is provided with a plastic deformation module, and the bottom of the plastic deformation module is located in the electrolyte tank; a deposition area adjusting module located below the plastic deformation module is arranged in the electrolyte tank, a pressure sensing module used for controlling the pressure is arranged on the plastic deformation module, and a temperature sensing module used for detecting the temperature change condition is arranged on the side wall of the electrolyte tank; the electrolyte tank is connected with the circulating liquid tank through a pipeline, and the circulating liquid tank is connected with the plastic deformation module through a hose. By designing the cathode disc of a rotary structure, parameters such as the current density, the rotating speed of the cathode disc and the flow speed of the anode nozzle in the jet electrodeposition process are changed, so that continuous preparation of the block nano-metal material is achieved, and the microstructure in a deposition layer is adjusted in real time.

The utility model relates to the technical field of heat exchangers, in particular to a heat exchanger convenient to fix, which comprises a first clamping plate and a second clamping plate, a supporting assembly is connected between the first clamping plate and the second clamping plate, and a heat transfer plate is placed above the supporting assembly. The fastening assembly is used for pulling the first clamping plate and the second clamping plate; and the supporting assembly comprises a supporting seat, the supporting seat is fixedly connected between the first clamping plate and the second clamping plate, a two-way lead screw is rotationally connected into the supporting seat, a nut pair is connected to the outer wall of the two-way lead screw, a guide seat is connected to the outer wall of the nut pair, and a supporting plate is connected to the upper portion of the guide seat. According to the heat transfer plate fixing device, the heat transfer plates can be supported in an auxiliary mode through the arrangement of the supporting assemblies, the heat transfer plates can be well positioned and supported in an auxiliary mode through the symmetrical distribution arrangement of the two sets of supporting plates, and therefore the uniformity of the positions of all the heat transfer plates is guaranteed, and the fixing convenience of the heat transfer plates is improved.