11results about How to "Limited location" patented technology

The utility model discloses a ceramic homogenizer structure of chromatographic equipment, including inner ceramic homogenizer, the outer surface of inner ceramic homogenizer is provided with shell subassembly, the shell subassembly includes upper ceramic cover, upper limit post, upper limit boss, lower ceramic cover, lower limit post, lower limit boss, retainer and compression ring, the upper ceramic cover and lower ceramic cover all sleeve joint in the outer portion of inner ceramic homogenizer, and the upper ceramic cover is connected with lower ceramic cover screw thread, the inner top wall of upper ceramic cover is integratively provided with upper limit post, the inner side wall of upper ceramic cover is integratively provided with upper limit boss, the utility model discloses the outer portion of inner ceramic homogenizer installs detachable shell subassembly, can increase the size of ceramic homogenizer, realizes size adjustment to adapt to the extraction tube of different size, in addition, with the structure such as limit post, limit boss and retainer, can effectively limit the position of inner ceramic homogenizer, and the stability of structure has been improved significantly.

The utility model relates to the technical field of energy storage equipment, and particularly discloses a heat management device for a battery pack and the battery pack. The heat management device comprises a box body with a containing cavity, a first flow channel, a first liquid passing opening communicated with the first flow channel, a second flow channel, a second liquid passing opening communicated with the second flow channel and a plurality of heat exchange plates which are arranged in the containing cavity and provided with cavities, and the cavities of the heat exchange plates are communicated with the first flow channel and the second flow channel. The box body comprises a first side wall and a second side wall which are located on the two sides of the containing cavity in the first direction respectively, the multiple heat exchange plates are connected to the first side wall and the second side wall and arranged at intervals in the second direction, and openings communicating with cavities of the heat exchange plates and the containing cavity are formed in the heat exchange plates. According to the heat management device for the battery pack and the battery pack provided by the utility model, the heat exchange liquid can quickly and effectively cover the battery cell, and the plurality of heat exchange plates connected with the first side wall and the second side wall in the heat management device can also limit the position of the battery cell and enhance the strength of the box body.

The utility model provides a quartz sand high-temperature treatment water-cooling device, which comprises a quartz cooling pipe, a water-cooling pipe, a water-cooling pipe, a water-cooling pipe, a water-cooling pipe and a water-cooling pipe, the fixing mechanism is arranged at at least one end of the quartz cooling pipe; a driving roller that supports the fixing mechanism and rotationally drives the fixing mechanism; the fixing mechanism comprises a retaining wheel, a fixing mechanism and a fixing mechanism, a through hole is formed in the center of the retaining wheel, and the quartz cooling pipe penetrates through the through hole; the fixing columns are distributed in the circumferential direction of the retaining wheel and extend out of the surface of the retaining wheel in the approximately vertical direction; the two ends of each hoop strip are fixedly connected with the fixed column, and the middle part of each hoop strip is wound to the opposite side of the quartz cooling pipe. The utility model has the effects that the cooling time of quartz sand is shortened, the detachable installation of the quartz cooling pipe is realized, the shaking between the quartz cooling pipe and the retaining wheel is avoided, and the problem that the retaining wheel is easy to slip off is solved.

The invention relates to a municipal manual pipe jacking safety device, and belongs to the technical field of pipe jacking construction. The municipal manual pipe jacking safety device comprises a tiltable electric lifting platform and two arc-shaped guide frames, and the two arc-shaped guide frames are fixedly connected to the top of the tiltable electric lifting platform; a worker can directly hoist a pipeline to the inner side of the arc-shaped guide frame, then the semicircular rack is driven by the servo motor to block the position above the pipeline, and compared with an existing half-wrapping type and full-wrapping type safe guide limiting device for pipe jacking, the safe guide limiting device for pipe jacking has the advantage that the pipeline can be rapidly installed through the half-wrapping type safe guide limiting device for pipe jacking; and meanwhile, the safety guide limiting stopper has the advantage of guiding and limiting the pipeline in all directions, so that the efficiency and the safety coefficient of pipe jacking construction are remarkably improved.

The invention relates to the technical field of television cabinet plate body polishing, in particular to a television cabinet customized intelligent machining production device which comprises an equipment shell, supporting rods are fixed to the four corners of the upper end of the equipment shell correspondingly, a top plate is fixed to the upper ends of the supporting rods, a regulation and control mechanism is arranged at the lower end of the top plate, and two clamping and fixing pieces are arranged on the regulation and control mechanism; a conveying mechanism is mounted on the clamping piece; a mounting cavity is formed in the equipment shell, and dust collecting boxes are detachably connected to the two ends of the mounting cavity. According to the device, television cabinet boards of various specifications can be clamped according to needs, the television cabinet boards can be controlled to abut against and move with the grinding and polishing wheels so that grinding and polishing operation on the surfaces of the boards can be effectively achieved, meanwhile, the grinding and polishing positions of the television cabinet boards can be controlled so that thorough grinding operation can be conducted on the boards, and it is guaranteed that the surfaces are smooth; and the quality of a final television cabinet finished product is improved, and the grinding and polishing effect can be effectively improved.

The utility model discloses a board furniture connecting piece can install and invisible, easy to dismantle accessory of quick -witted, include: connecting column, expansion pipe and limit ball, the expansion pipe includes connecting pipe and dismantling pipe, connecting pipe and dismantling pipe side intercommunication form 8, limit ball sets up in the inside of connecting pipe, the side of connecting pipe is equipped with the limit piece, connecting column includes screw thread column and the plastic pipe of setting on the screw thread column, the one end of screw thread column is away from plastic pipe and sets up the connecting pipe of stretching out. The utility model discloses furniture board body connecting structure has the advantages of connecting firm, installing and dismantling convenient, not easy to damage the board body, and achieve that the hole position is completely not exposed, realize furniture connection truly no -hole invisible, make furniture more beautiful. It is fit in the furniture manufacturing field and is widely applied.

This invention discloses a water dispensing device, comprising: a support frame including a connector, one end of which has a connector groove with an opening, and a support surface formed within the connector groove; a water dispensing component connected to a flexible hose, the flexible hose entering the connector groove through the opening, the water dispensing component moving towards the connector groove and having an abutment surface suitable for support by the support surface to rest against the connector groove; a first magnetic attractor mounted on the water dispensing component, its magnetic pole direction perpendicular to the abutment surface, with the magnetic pole closer to the support surface being the first magnetic pole and the other magnetic pole being the second magnetic pole; a second magnetic attractor mounted on the support frame and close to the connector groove, defining the magnetic pole closer to the opening of the second magnetic attractor as the third magnetic pole and the other magnetic pole as the fourth magnetic pole, the third magnetic pole being configured to have the opposite magnetism to the first magnetic pole. This water dispensing device uses universal magnetic rings for both the first and second magnetic attractors in the water dispensing component and the support frame, adapting to different types of water dispensing components, with a simple manufacturing process and low cost.

The invention relates to the technical field of automatic unhooking devices, in particular to an automatic unhooking device based on offshore hoisting and a method thereof. Comprising an upper lifting table, a lower lifting frame and a hook table, and further comprises a set of guide rods installed between the upper lifting table and the lower lifting frame, a limiting spring arranged at the position, corresponding to the position between the lower lifting frame and the hook table, of each guide rod in a sleeving mode, and a rotating shaft rotationally connected between the inner surfaces of the hook table, two locking gears are installed on the rotating shaft, and locking tooth plates are installed at the positions, corresponding to the two locking gears, of the lower hanging bracket. The unhooking device has the beneficial effects that when the unhooking device is used, on one hand, the safety of the unhooking device in the hoisting state can be improved in a multi-effect mode through electric control and gravity control modes, and on the other hand, the safety of goods can be controlled in a multi-effect mode when the unhooking device unhooks.

The utility model relates to a herbicide spraying cart, which belongs to the field of spraying devices and comprises a cart body, and one end of the cart body is provided with a pair of handles. The liquid supply assembly is mounted on the vehicle body; the spraying tool is erected on the vehicle body, and the inlet end of the spraying tool communicates with the outlet end of the liquid supply assembly; the electric control box is installed on the vehicle body, a main electromagnetic valve and a pressure regulating valve for controlling water pressure are arranged in the liquid supply assembly, the electric control box is connected with the main electromagnetic valve and the pressure regulating valve in an electric control mode, and control switches are installed on the handles. The two control switches are in electric signal connection with the electric control box so as to control the main electromagnetic valve and the pressure adjusting valve respectively, an operator can complete spraying in the cart pushing process, the spraying pressure can be controlled, and other large-amplitude actions are not needed.

The utility model provides a quartz sand high-temperature treatment water cooling device. The quartz sand high-temperature treatment water cooling device comprises a rack; the quartz cooling pipe is arranged above the rack, is obliquely arranged in a manner that a feeding hole in the front side is higher than a discharging hole in the rear side, and is used for cooling the quartz sand by utilizing the rotation of the quartz cooling pipe; the retaining wheel is arranged at at least one end of the quartz cooling pipe; a driving roller which is provided on the frame, supports the holding wheel, and rotationally drives the holding wheel; the retaining mechanism comprises a roller, the roller comprises a rear side roller arranged on the discharging port side of the retaining wheel, and a supporting component, the roller is fixedly supported relative to the rack, the position of the retaining wheel is limited through the roller, and the retaining wheel is prevented from being separated from the driving roller. The utility model has the effects that the cooling time of quartz sand is shortened, the detachable installation of the quartz cooling pipe is realized, the shaking between the quartz cooling pipe and the retaining wheel is avoided, and the problem that the retaining wheel is easy to separate from the driving roller is solved.