48results about How to "Ensure structural rigidity" patented technology

A modular snap-tight interlocking deck and process for constructing a pontoon boat with said deck is described. The modular deck includes lightweight planks that snap together using a tongue-in-groove design. Once joined, the planks are inseparable and form a rigid, flat, watertight surface.

The present invention provides a suspension assembly and a clothes treating apparatus including the same, which improve the load of a support washing tank and attenuate the performance of vibration generated along with the movement of the washing tank. The suspension assembly according to one aspect of the present invention comprises: a rod-shaped support rod formed by extending in the longitudinal direction; an elastic member coupled to the outer periphery of the support bar; a case coupled to the support bar so as to be penetrated by the support bar in a longitudinal direction, the case being supported by the elastic member and forming a compartment surrounding the support bar; the friction component is arranged in the shell and generates friction with the supporting rod when displacement occurs in the separation chamber; and a cover which is penetrated by the support rod in the longitudinal direction and is coupled to the housing to cover the compartment, in which a first hole is formed in the housing so that condensed water generated in an internal space formed by coupling the housing and the cover is discharged to the outside.

The launching method by additional buoyancy of the vessel S comprises the steps of: arranging a floating body 2 with magnitude determined by the weight or buoyancy of a partially constructed vessel S on a bottom or side surface of the vessel S; fixing the vessel S and the floating body 2 and generating additional buoyancy to maintain the balance of the vessel S during launching; filling water in a dock and launching the partially constructed vessel S and a completely constructed vessel; pulling the completely constructed vessel out of the dock; letting the water out of the dock and sinking the partially constructed vessels in the dock again; and separating the partially constructed vessel S from the floating body .

The invention discloses a convenient-to-adjust universal fixture which comprises at least two groups of butted fixture assemblies, wherein mounting slots for mounting parts to be machined or special fixtures are formed in the fixture assemblies; the convenient-to-adjust universal fixture is characterized by further comprising a reference plate fixedly mounted on a machine tool workbench; the fixture assemblies are arranged on the reference plate; the mounting slots on the fixture assemblies are butted successively along the axial direction; fixture transverse position adjustment mechanisms are arranged between the fixture assemblies and the reference plate; and the adjustment directions of the transverse position adjustment mechanisms for the fixture assemblies are perpendicular to the axial directions of the mounting slots. The convenient-to-adjust universal fixture has the advantages that the fixture transverse position adjustment mechanisms are arranged between the fixture assemblies and the reference plate, so that the positions, in the transverse direction of the reference plate, of the fixture assemblies can be adjusted, and the mounting slots, used for mounting the parts to be machined or the special fixtures, on the multiple groups of fixture assemblies can be axially butted precisely; and furthermore, the convenient-to-adjust universal fixture is convenient and quick for adjustment, and is high in adjustment precision and efficiency.

An improved structure of a pneumatic gate valve comprises the gate valve arranged on a flue, and an air cylinder arranged on a main frame to drive the gate valve to move. The improved structure of the pneumatic gate valve is characterized by comprising a plate-shaped gate valve body and a gate clamp. The gate clamp comprises a framework and a plurality of pairs of columnar bodies arranged on the inner side of the framework. Each pair of columnar bodies comprise the female columnar body and the male columnar body. The upper end of the plate-shaped gate valve body is arranged between the female columnar body and the male columnar body of each pair of columnar bodies and clamped and fixed by the female columnar bodies and the male columnar bodies. Compared with the prior art, the improved structure of the pneumatic gate valve has the advantages that through grooves do not need to be formed in machine frames on two sides, the strength and rigidity of the whole main frame structure are guaranteed, deformation of the main frame is prevented, the strength of the gate valve is not affected, the occupied space is small, assembly is easy, maintenance is convenience, and safety is good.

The invention relates to the technical field of assembling, in particular to a tightening and lengthening transition mechanism. The tightening and lengthening transition mechanism comprises a tightening device and a tightening shaft on the tightening device. The tightening and lengthening transition mechanism further comprises a sleeve, a transition sleeve and a counter force transition sleeve, wherein the sleeve is used for assembling a fastener, one end of the transition sleeve is fixedly connected with the sleeve, the other end of the transition sleeve is fixedly connected with the tightening shaft, the counter force transition sleeve is arranged outside the sleeve and the transition sleeve, one end of the counter force transition sleeve is connected with the tightening device, and a counter force block is arranged above the other end of the counter force transition sleeve. The tightening and lengthening transition mechanism is small in size, low in weight, simple in structure, convenient to maintain, safe and reliable, the fastener is conveniently and accurately assembled, and use by an operator is protected and is convenient.

The invention relates to the technical field of assembling, in particular to a tightening and lengthening transition mechanism. The tightening and lengthening transition mechanism comprises a tightening device and a tightening shaft on the tightening device. The tightening and lengthening transition mechanism further comprises a sleeve, a transition sleeve and a counter force transition sleeve, wherein the sleeve is used for assembling a fastener, one end of the transition sleeve is fixedly connected with the sleeve, the other end of the transition sleeve is fixedly connected with the tightening shaft, the counter force transition sleeve is arranged outside the sleeve and the transition sleeve, one end of the counter force transition sleeve is connected with the tightening device, and a counter force block is arranged above the other end of the counter force transition sleeve. The tightening and lengthening transition mechanism is small in size, low in weight, simple in structure, convenient to maintain, safe and reliable, the fastener is conveniently and accurately assembled, and use by an operator is protected and is convenient.

The invention discloses a double-station numerical control end face grinding machine device. The double-station numerical control end face grinding machine device comprises a machine frame. The machine frame is provided with a first station end face grinding machine and a second station end face grinding machine, wherein the first station end face grinding machine comprises a first abrasion wheel device used for grinding workpieces, a first abrasion wheel automatic repair device used for repairing abrasion wheels, and a first three-axis linkage tool rest device used for fixing the workpieces; and the second station end face grinding machine and the first station end face grinding machine are identical in structure. The double-station structure is adopted, the structure is compact, the whole machine structure of equipment is optimized, the using performance of the equipment is improved, the production efficiency is improved, and the labor cost and production cost are reduced.

The invention provides a method for establishing a coarse-grained model of pigment carbon black based on Martini force field, which belongs to the technical field of nanometer chemical calculation; specifically, the coarse-grained model of spherical pigment carbon black is divided into a central bead and an outermost spherical shell-shaped bead. , define two types of beads in the Martini force field, assign molar mass and potential action parameters, and use bond connections on the connection between the central bead and the outermost spherical shell to ensure that the molecular dynamics simulation can be unchanged. It is small and does not collapse; since the entire coarse-grained model only has the outermost spherical shell-shaped beads and the central bead, which greatly reduces the number of beads, it can ensure the accuracy of molecular dynamics calculations while greatly reducing the amount of calculation, improving the The speed of calculation also avoids the waste of calculation.

The invention relates to a high-temperature resistant sucker top column for installing a high-temperature radioactive source. The sucker top column comprises a hollow sucker top column body and a protective disc assembly, wherein the hollow sucker top column body can extend into an inner cavity of the protective disc assembly and can axially move relative to the protective disc assembly; and the bottom surface of the hollow sucker top column body and the upper surface of a workpiece form a sealing surface, and the inner side of the inner cavity of the protective disc assembly and the side surface of the workpiece form a sealing surface. The sucker top column has the following beneficial effects that a silica gel sucker is not adopted, the rigidity of the whole structure is ensured by a vacuum suction mode, the high temperature of the radioactive source can be borne, and the mechanical operation of the installation of the radioactive source is realized; and a limiting protective disc isadopted, thus it is ensured that the radioactive source is coaxial with a carbon-carbon cylinder heat insulation layer (high-temperature radioactive source cladding), and incapability of positioningdue to deviation is prevented.

The invention discloses a modularized drive wheel and a modularized robot with the same. The modularized drive wheel comprises a first seal box. A motor, a reducer and a synchronous wheel group are disposed in the seal box. The synchronous wheel group comprises a first pulley, a second pulley and a transmission belt which connects the first pulley and the second pulley. An output shaft of the motor is connected with the first pulley. An input shaft of the reducer is connected with the second pulley. An output shaft of the reducer extends to the outside of the seal box and is connected with a tire through a load-bearing shaft. The modularized robot comprises the modularized drive wheel and a chassis support. The modularized wheel is fixed on the chassis support. The modularized wheel is compact in structure, universal and convenient in rapid replacement, maintenance or upgrading. The chassis support of the modularized robot is firm in structure and good in structural rigidity, large load can be borne, the modularized wheel inserted to the chassis support is independent of the chassis support and can be replaced and maintained independently, and assembling speed is increased.

The present invention provides a battery module, and the battery module includes a battery stack formed by stacking a plurality of battery cells respectively including electrode tabs on each other; and bus bar assemblies located on sides of the battery stack, from which the electrode tabs are drawn out, to electrically connect the plurality of battery cells to each other through a plurality of electrode tabs, wherein each of the bus bar assemblies includes a plurality of openings configured to hold the plurality of electrode tabs, and each of the plurality of openings includes an insertion portion formed by opening one side thereof so that the electrode tab is slidely inserted in a direction perpendicular to a direction in which the electrode tabs are drawn out.

The invention discloses a PFA (Polyfluoroalkoxy) lining pump shell structure and aims at improving the production efficiency, reducing the manufacturing cost and the production reject ratio, making the improvement especially for a metal lining PFA pump shell structure, reducing the pump shell production cost and increasing the manufacturing yield. A metal shell lining PFA pump is used for conveying high-corrosivity chemical liquid, a metal shell is used for resisting the pump pressure and the piping load, and a PFA lining serves as a liquid receiving material to resist corrosion of liquid chemical. According to the improvement key point of the pump shell structure, the production bad factors of injection molding are reduced through the structure change, and the pump shell structure is characterized in that inlet shell lining PFA serves as a pumping inlet; scroll shell lining PFA is used for containing an impeller, collecting liquid generated after impeller acting and discharging the liquid through an outlet, and an inlet shell and a scroll shell are independently produced and then combined to form an integral pump shell so as to reduce the residual stress of injection molding.

The invention provides a battery pack for increasing energy density and having excellent heat dissipation performance. The battery pack (100) includes a plurality of cell stack units (210), each stack unit including a stack of a plurality of battery cells (220), a partition wall member (250) disposed between the cell stack units (210) adjacent to each other, and a pack housing (110) accommodating the plurality of cell stack units (210) and a plurality of partition wall members (250). The cell stack unit (210) and the partition wall member (250) are accommodated in the pack housing (110) while side surface of the cell stack unit (210) and a side surface of the partition wall member (250) are in contact with each other, and the partition wall member (250) is fixed to a bottom surface (112) of the pack housing (110).