10results about How to "Avoid force damage" patented technology

The utility model discloses release agent storage and transportation equipment which comprises a bottom foam pad arranged at the upper end of a bearing plate, the bearing plate is connected with the bottom foam pad in a gluing mode, a storage box is arranged at the upper end of the bottom foam pad, and backflow force relief parts are arranged on the two sides of the upper end of the storage box. The backflow force relief part and the storage box are arranged to be of an integrally-formed structure, and the device is provided with the backflow force relief part, so that when a worker drives an automobile and transports a release agent to brake or accelerate, the release agent can flow into the backflow force relief part under the action of inertia; and the inner wall of the backflow force relief part is arc-shaped, so that the impact force of the release agent can be relieved, the inner wall of the storage box is prevented from being damaged due to excessive stress, and the service life of the storage box is effectively prolonged.

The utility model relates to the technical field of irrigation area monitoring, in particular to a monitoring and early warning device applied to an irrigation area, which comprises a cross beam, a guide pipe is fixedly connected to the bottom of one end of the cross beam, a floating ring is slidably connected to the outer surface of the guide pipe, and an ejector rod is arranged at the top of the floating ring. A contact switch is fixedly installed at the position, corresponding to the ejector rod, of the bottom of the cross beam, and an alarm is fixedly installed at the top of the cross beam. The device has the advantages that the guide pipe is perpendicular to the water surface, the floating ring vertically ascends and descends when the water level ascends and descends, so that the ejector rod is driven to vertically ascend and descend, after the water level is too high, the ejector rod ascends to abut against the contact switch, the alarm is powered on to give out early warning, the guide pipe is not affected by the water flow speed, and therefore the early warning starting result of the alarm is accurate; when the water level is high, the length of the guide pipe located in the water is short, the resistance of the guide pipe in the water flow can be reduced, and therefore the possibility that the guide pipe is flushed to be bent by the water flow is reduced.

The utility model discloses a model bracket for ship design, including multi -angle fastening adsorption subassembly, multi -angle fastening adsorption subassembly includes strip -shaped groove, circular receiving groove, sphere, receiving cylinder, cylindrical groove, cylinder rod and sucking disc, the strip -shaped groove and circular receiving groove are set up on the bracket main part, the sphere is movably connected in the strip -shaped groove and circular receiving groove, the receiving cylinder is fixedly connected on the sphere middle part, the cylindrical groove is set up in the receiving cylinder, the cylinder rod is movably connected in the cylindrical groove, the sucking disc is fixedly connected on the cylinder rod top. The utility model ball can make the sucking disc with the ship model surface form adaptive tilt in the rotation of circular receiving groove, ensure that sucking disc overall even stick together, eliminate the edge " line contact " stress concentration problem caused by traditional rigid connection, protect the ship model surface made of brittle material such as resin, ABS and do not produce indentation or crack, can further avoid the phenomenon of stress damage of ship model.

The invention discloses a method for testing solid compressive strength based on a building steel-concrete structure, and the method specifically comprises the following steps: step 1, putting a prefabricated slab to be tested into a box body, supporting and conveying the prefabricated slab through a sliding roller, and then enabling electromagnets at two sides to be driven by a magnetic repulsive force between the electromagnets and a magnetic plate so as to test the compressive strength of the prefabricated slab; the magnetic plate drives the cone to lift up and down through the sliding sleeve and the telescopic rod, so that the cone and the round hole of the prefabricated slab are coaxial, then the output end of the telescopic rod extends out, and the cone enters the round hole to clamp the prefabricated slab; relates to the technical field of compressive testing of reinforced concrete structures, and solves the problems that when an existing compressive testing device for reinforced concrete prefabricated parts is used, the testing range is limited due to the fact that only compressive testing can be carried out, and meanwhile the longitudinal position of an abutting block used for fixing is fixed so that only testing of single-specification prefabricated plates can be carried out; therefore, the test specification range is limited.

The invention discloses a multilayer circuit board with efficient buffer performance and a processing method thereof. The multilayer circuit board includes a top layer, a bottom layer, and an insulating layer made of a polymer, ceramic, glass, or silicon material and containing a reinforcing material to enhance mechanical strength and heat resistance. The top layer is provided with a connector installation area, the bottom layer is provided with a wire connection area, and electrical connection consistency is ensured through accurate alignment of the connector installation area and the wire connection area. The top-layer grounding pad and the bottom-layer grounding pad are vertically interconnected through a conductive through hole, and the wall of the through hole is made of copper, gold or nickel. And the buffer structure comprises PacoPads, a silica gel pad and a thermal conductive material layer, is configured between the top layer and the bottom layer, and is used for buffering temperature and pressure in the pressing process, reducing interlayer temperature difference and pressure concentration and improving plate thickness uniformity and mechanical stability. The PacoPads absorb pressure generated by thermal expansion or mechanical shock, the silica gel pad provides additional buffering and stress dispersion, and the thermal conductive material layer realizes rapid heat conduction. The structure effectively improves the stability and durability of the circuit board.

The present invention relates to the technical field of mechanical processing equipment, and in particular discloses a CNC group drilling machine tool, including a workbench, four guide rods are arranged on the workbench, the four guide rods are provided with a lifting plate, a fixed plate and a top plate, a tooling assembly is arranged on the lifting plate, a drilling tool assembly is arranged on the upper surface of the fixed plate, a driving assembly is arranged on the top plate, the driving assembly is connected to the drilling tool assembly by transmission, a positioning assembly is arranged inside the workbench, and a control device is arranged on the top of the workbench. The present invention controls the feed amount of the workpiece through the movement of the lifting rod, the cooperation of the first detection block, the second detection block and the detection switch, and the control is precise. When drilling, the support plate supports the tooling plate, the tooling plate and the support plate are subjected to force, and the second actuator is not subjected to force, so as to avoid the damage of the second actuator due to force. After the drilling is completed, the second actuator drives the tooling plate to move, so as to ensure that the hole can be thoroughly drilled, and the drill bit verifies the hole to realize the correction of the hole axis deviation and improve the drilling quality.

The present invention provides a dock upgrading and reconstruction structure and a dock upgrading and reconstruction construction method, wherein the dock upgrading and reconstruction structure includes a new dock arranged on the side of the old dock facing the water area, a plurality of foundation piles are arranged at the bottom of the new dock, a space is left between the old dock and the new dock, a plurality of transition plates are arranged in the space, one end of the transition plate is arranged on the old dock, and the other end is arranged on the new dock, a buffer plate is arranged between the rear side of the transition plate and the old dock, a buffer plate is also arranged between the front side and the new dock, and a buffer pad is arranged between the lower side of the transition plate and the old dock and the new dock. The present invention improves the construction efficiency of the upgrading and reconstruction of the old dock, shortens the construction period, reduces the construction cost, and reduces the operation interruption time caused by the upgrading and reconstruction of the old dock.

The present invention provides a construction method and structure for reconstruction and expansion of an old wharf with a mixed structure, wherein the construction method includes breaking and leveling the upper rear end of the concrete block of the old wharf to form a first groove; removing the surface layer, the first filling layer and the vertical beam on the top of the middle panel of the old wharf to expose the middle panel of the old wharf flatly; opening a plurality of through holes for cast-in-place pile construction on the middle panel of the old wharf, and constructing cast-in-place piles at positions corresponding to each through hole; removing the middle panel of the old wharf and breaking the old wharf foundation piles under the middle panel of the old wharf; building a new wharf on the top of the cast-in-place piles, and setting a buffer plate between the front end of the new wharf and the first groove, and there is a gap between the bottom of the new wharf and the first groove; respectively building retaining walls on the left, right and rear sides of the new wharf, and setting a buffer plate between the retaining wall and the new wharf. The present invention aims to solve the shortcomings of the existing construction method for reconstruction and expansion of an old wharf with a mixed structure.

The utility model relates to the technical field of heat exchangers, in particular to a spiral thread pipe heat exchanger convenient to install, which comprises a heat exchanger, a lower cover, an upper cover, a compensator and a spiral thread pipe assembly, the spiral thread pipe assembly is connected inside the heat exchanger, the upper end of the heat exchanger is connected with the upper cover, and the lower end of the heat exchanger is connected with the lower cover. Compensators are connected to the side face of the heat exchanger and the upper end of the upper cover, a cooling liquid inlet is formed in the upper portion of one side of the heat exchanger, a cooling liquid outlet is formed in the lower portion of one side of the heat exchanger, a mounting pull frame is arranged outside the heat exchanger, and limiting plates are arranged on the upper portion and the lower portion in the heat exchanger. Connecting openings are formed in the upper end and the lower end of the heat exchanger, flanges are arranged on the upper cover, the cooling liquid inlet and the cooling liquid outlet, a plurality of sets of connecting lug plates are arranged outside the flanges, a plurality of sets of limiting grooves and connecting holes are formed in the end faces of the flanges, and the spiral threaded pipe assembly is composed of an end plate, a through opening, a threaded rod and a spiral threaded pipe.

The utility model relates to a technical field of mixing mechanism, concretely to a kind of construction engineering gypsum powder mixing mechanism, including mixing jar, the lower surface of mixing jar is fixedly connected with valve pipe, the inner wall of mixing jar is rotatably connected with pivot, the lower surface of mixing jar is fixedly assembled with the motor of pivot fixed connection, the upper end of pivot is fixedly connected with round plate, the upper surface of round plate is fixedly assembled with electric push rod, the output end of electric push rod is fixedly assembled with connecting rod, the circumferential surface of connecting rod is fixedly assembled with stirring vane, the circumferential surface of pivot is fixedly assembled with fixed block, connecting rod slidingly penetrates fixed block, the circumferential surface of pivot is fixedly assembled with scraper, scraper is in the inner wall of mixing jar.The utility model, by setting pivot, electric push rod and stirring vane etc., when mixing gypsum powder raw materials in the process of construction, the position of stirring vane can be adjusted according to the material amount of gypsum powder raw materials, so that stirring vane can fully mix gypsum powder raw materials, and mixing efficiency is improved.