20 results about "Rigid wall" patented technology

In some embodiments, containers, bags, and systems are provided that are useful to organize tools and other items. A tool bag may include a container body including one or more woven panels, a bottom rigid member, and a rigid wall hingedly connected to the bottom rigid member, and an engagement mechanism attached to the rigid wall. The engagement mechanism may include a base panel riveted on the rigid wall, and one or more protrusions extending from the base panel. In some aspects, the one or more protrusions are configured to engage with one or more holder slots on a ladder top.

An example medical agent filling system may comprise a container having an exterior housing formed by a rigid wall and a removable lid. The system may further comprise a fluid introduction port. The system may further comprise a fluid bus extending from the fluid introduction port to a plurality of dispensing sharps. The system may further comprise a plurality of reservoir assemblies each having a main interior volume sealed by a septum. Each of the septa may be in a punctured state with a respective dispensing sharp of the plurality of dispensing sharps extending therethrough. The fluid bus and main interior volumes of the reservoir assemblies may form an isolated fill environment.

The invention discloses a silencing device and an electric appliance applying the silencing device, the silencing device comprises a hollow shell, the cross section of the shell is rectangular, and the cross section is any cross section perpendicular to the thickness direction of the shell; a first air duct inner surface and a second air duct inner surface are arranged in the space in the shell, the first air duct inner surface is a sound absorption wall surface, the space between the first air duct inner surface and the second air duct inner surface forms an air duct, and the first air duct inner surface and the second air duct inner surface form all wall surfaces of the air duct; one edge of the shell is provided with a first port which serves as an air outlet and can allow noise sound waves to be transmitted in, and any straight line intersecting with the first port is made; when the inner surface of the second air duct is a rigid body wall surface, the straight line intersects with the inner surface of the first air duct at least once; or after being reflected on the inner surface of the second air duct, the light intersects with the inner surface of the first air duct at least once; when the second air duct inner surface is a sound absorption wall surface, the straight line intersects with the first air duct inner surface or the second air duct inner surface at least once.

The present application belongs to the technical field of automobile crash test device research and development and manufacturing, and particularly relates to a semi-cylindrical force wall device for developing a mobile deformable barrier, comprising a restraint mechanism, a force receiving mechanism and a plurality of crash columns, wherein the restraint mechanism comprises a rigid wall and a plurality of movable plates, the force receiving mechanism comprises a force receiving base plate and a force measuring unit, the rigid wall is provided with an assembly groove, the force receiving base plate is fixed with the rigid wall through the assembly groove, and the force measuring unit is fixed on the force receiving base plate in a matrix manner; the plurality of movable plates are fixedly connected with the rigid wall through an adjusting mechanism, and the two ends of the plurality of crash columns are fixed on the movable plates through a fixing mechanism, and the crash columns are in contact with the force measuring unit. The present application can solve the problem that the existing planar force wall cannot comprehensively show the mechanical characteristics of the mobile deformable barrier.

The invention relates to a hydraulic torque measuring device for an aircraft engine unit, comprising: a hermetically sealed housing (20a) comprising a rigid wall (21) and a deformable wall (22), the rigid wall and the deformable wall defining an internal volume (26); and at least one pressure measuring element (28) capable of measuring the pressure in the internal volume (26), the hydraulic device (20) allowing an operating state in which the internal volume (26) is filled only with an incompressible liquid and the deformable wall (22) is configured to withstand pressure. The invention also relates to a gearbox comprising such a hydraulic device.

The invention provides a cantilever type rigid-flexible anti-seepage structure and a construction method thereof.The cantilever type rigid-flexible anti-seepage structure comprises a plastic concrete flexible anti-seepage wall arranged in a geological soil layer and a reinforced concrete rigid anti-seepage wall coaxially located above the plastic concrete flexible anti-seepage wall, the plastic concrete flexible anti-seepage wall and the reinforced concrete rigid anti-seepage wall are vertically and tightly connected, and a pile cap flush with the ground is arranged at the top of the rigid wall to form a whole; and slope protection feet are arranged on the cantilever sides. During construction, the flexible anti-seepage wall is firstly grooved and poured, then the rigid wall reinforcement cage is installed, after the rigid anti-seepage wall is solidified, the pile caps are constructed to be connected into a whole, and the slope protection feet are excavated and poured on the cantilever side earth of the rigid anti-seepage wall to form the whole rigid and flexible anti-seepage structure. The problems that in a dike project limited by space, a traditional separated structure is high in manufacturing cost and insufficient in anti-shearing capacity are solved.

The application belongs to the field of automobile front collision simplified test method of automobile technology structure crashworthiness performance development, and also relates to an automobile front deformation test structure. The automobile front collision simplified test method comprises a trolley structure and a barrier structure. The trolley structure comprises a front bumper (2), a main energy absorption box (3), a front longitudinal beam (4), a front baffle (5), a trolley (6), an upper bending longitudinal beam (7), a battery and a mounting bracket (8), and a front end module (9). The barrier structure comprises a fixed wall (1) and a biasing rigid wall (10). The automobile front collision simplified test method and the automobile front collision simplified test method can conveniently and reliably complete the simplified working condition verification of the automobile front collision test verification, preliminarily determine the front collision deformation safety performance of the front collision, and then perform the whole vehicle test, thereby reducing the test cost and shortening the test development cycle.

The invention relates to a device (1) for controlling the exchange of atmospheric air between two spaces (2,3) separated from each other by a vertical rigid wall (4) of an assembly (10) of rigid walls delimiting at least one, called the first space (3), of the two spaces (2,3), the control device (1) comprising: a rigid frame (5) delimiting an opening (6), a rigid panel (7) dimensioned to extend into the opening (6) and to be able to close this opening (6) in a position, called the closed position (8), relative to the rigid panel (7) with respect to the rigid frame (5), in which the control device (1) is substantially airtight, the rigid panel (7) being mounted freely in a tilting position relative to the rigid frame (5), along a horizontal tilting axis (9),the tilting axis (9) being positioned such that a difference in atmospheric air temperatures on either side of the control device (1) and of an absolute value greater than or equal to a predetermined non-zero threshold value causes the rigid panel (7) to tilt relative to the rigid frame (5) and allows a movement of hot air and a return movement of cold air, due to this tilting, and such that the rigid panel (7) is spontaneously returned to said closed position (8) when said temperature difference is less than said predetermined threshold value. Figure for the abbreviation: Fig. 1,

A fish retrieval aid is presented, comprising a substantially tubular receiving chamber (10), wherein a slot (15) extending substantially parallel to a longitudinal axis of the receiving chamber (10) is arranged in a rigid wall (11) of the receiving chamber (10), and a handle window (16) opposite the slot (15) is provided near one of the ends (12, 13) of the receiving chamber (10).

The present application belongs to the technical field of heavy metal contaminated soil remediation and contaminated site blocking risk control, in particular to a low-permeability high-absorptivity detachable and assembled blocking wall body and a preparation method. The blocking wall body is composed of two parts of flexible wall body material and rigid wall body material, and is formed by stacking block by block through combination of rigid-flexible-rigid wall body material, and is vertically inserted into the contaminated site through left convex end insertion into right concave insertion slot, to form a continuous airtight blocking wall, with a permeability coefficient of the wall body below 10 ‑8 cm / s; the flexible wall body material part is composed of bentonite, potassium polycarboxylate and calcium-silicon cementitious material, and the rigid wall body material part is composed of gasified slag, coal gangue, cement, calcium-silicon cementitious material, water glass and polycarboxylate superplasticizer. The blocking wall body of the present application is freely detachable, simple to operate, binder-free, highly recyclable and environmentally friendly, and brings better use prospect.

The utility model relates to the technical field of automobile head-on collision test, and discloses a rigid wall bracket mounting structure for automobile head-on collision, which comprises a lower bracket, a rigid wall assembly, an anchor point assembly fixedly mounted on the upper part of the lower bracket, and a limiting assembly positioned on the outer side of the anchor point assembly. According to the automobile frontal collision rigid wall support mounting structure, through quick positioning of the alignment insertion plate and the groove and combination of the modular lower support and the lifting lug rolling wheels, quick assembly of rigid wall assemblies is achieved, the mounting alignment time is shortened, and the operation difficulty is reduced; meanwhile, the limiting assembly is in gapless clamping connection with an anchor disc through a U-shaped clamping groove and an inner arc groove, a full-expansion heavy anchor bolt replaces an embedded anchor column, the installation cost and the construction difficulty are reduced, inclined reinforcing rods and vertical reinforcing rods on the inner side of the rigid wall are supported in a crossed mode, the impact resistance rigidity is enhanced, stress is dispersed through a multi-point-position locking bolt set of a front supporting plate and the rigid wall, and the rigidity of the rigid wall is improved. The installation cost and the construction difficulty are effectively reduced, deployment and installation can be rapidly carried out, and the construction time can be greatly shortened.

The invention discloses a flexible occlusion connection deep and shallow connection underground diaphragm wall and rigid plate processing equipment. The underground diaphragm wall comprises a wall body foundation assembly and a flexible connecting wall arranged between a first rigid wall body and a second rigid wall body which are different in depth. The flexible connecting wall is composed of a height difference cushion block and a flexible connecting body, the core of the flexible connecting body comprises a first rigid plate, a flexible rubber layer and a second rigid plate, and the flexible rubber layer provides buffering and transmits horizontal pulling force. A convex surface connecting body, a tooth groove nested reinforcing assembly or a tenon-and-mortise type meshing assembly are further arranged, a reinforcing rib plate or an inclined connecting rib plate is integrated in the convex surface connecting body or the tooth groove nested reinforcing assembly or the tenon-and-mortise type meshing assembly, and therefore a rigid-flexible stress system is constructed. Load can be effectively transmitted, deformation can be effectively absorbed, stress concentration can be effectively reduced, controllable breaking can be achieved under the extreme working condition, and catastrophic chain damage is prevented. And matched rigid plate processing equipment can be used for efficiently preparing the required integrated rigid plate component, so that the application convenience of the integrated rigid plate component is improved.

The present application relates to the technical field of optimization simulation method of automobile, in particular to a kind of automobile front longitudinal beam crush performance analysis method.Rigid wall is set, and rigid wall is fixedly constrained;Boundary conditions of finite element analysis model are set, rear end constraint point is set, to ensure that front longitudinal beam model can advance along single direction;Rigid unit is applied to couple the mesh element of rear end constrained of front longitudinal beam, and displacement loading is carried out;Simulation calculation is carried out in solving software by applying display dynamics module;The overall stress state of front longitudinal beam is obtained by loading point force-displacement curve, the total energy absorption state of part is obtained by energy change curve, and the actual deformation state of part in crush process is obtained by stress nephogram.Optimization comparison analysis process has high accuracy, can quickly and effectively analyze the compression crush resistance of front longitudinal beam itself;It is convenient for body design engineer to confirm the performance index of self-designed part structure in the early stage of body development, thereby reducing part development cycle and cost.

The invention discloses a plastic pressure measuring structure for rigid wall surface shock wave pressure measurement and a testing method. The device comprises a base, a diaphragm bearing cover and a conical surface fixing ring, the diaphragm bearing cover is assembled on a base mounting cylinder, an impact cavity is formed in the mounting cylinder, and the cross section area of an impact through hole is smaller than that of the impact cavity; the diaphragm bearing cover is sleeved with the conical surface fixing ring, the upper fixing ring is fixedly connected with the diaphragm bearing cover through threads, and meanwhile the axial height of the conical surface fixing ring is the same as the height of the diaphragm bearing cover. According to the method disclosed by the invention, the plastic pressure measuring structure is fixed on the wall surface to measure the shock wave pressure peak value of the area, and the shock wave pressure peak value of the area is obtained according to the maximum deformation depth of the diaphragm to be measured. According to the invention, the diaphragm is closer to ideal constraint, and the measurement error is reduced; the conical surface fixing structure can effectively reduce the measurement error of the skim wave, and is suitable for wall surface pressure measurement.

The application discloses a buffer corner and a bicycle carrying case. The buffer corner comprises an outer shell, an inner three-way piece, an outer EPP buffer piece and an inner EPP buffer piece, and the inner and outer EPP buffer pieces are provided with an embedded structure. The corner has two states: in the first assembly state, the outer shell and the inner three-way piece are clamped and fixed on both sides of a flexible wall surface, the inner and outer EPPs are embedded and spliced, and the inner EPP covers the three-way piece to prevent collision; in the second assembly state, the inner three-way piece and the inner EPP are removed, the outer shell is fixed on a rigid wall surface, and the outer EPP is separately accommodated. The application is flexible and adaptive to soft bags and hard boxes, and simultaneously considers frame support and buffer collision prevention.

The present invention relates to a sterile cartridge (100) comprising a rigid wall (110) defining a chamber, an inlet cover (140) closing an inlet open extremity (120), an outlet cover (150) closing an outlet open extremity (130), and an implant (10) disposed within the chamber.

This invention provides a casing-short-section downhole plugging device and its construction method for severely lost circulation formations. The device integrates a drop-out connector, packer, casing short section, and drilling structure into a single tool string. Through the combined action of the upper packer, rigid casing short section, and lower packer structure, a stable, sealed zone completely isolated from the wellbore is formed around the lost circulation section. The rigid casing short section's rigid wall then directly severs the fluid channel between the lost circulation formation and the wellbore, thereby achieving permanent structural plugging of the severely lost circulation formation. This invention employs a ball-drop pressure differential sequential start-up method, allowing drilling, packing, and drop-out operations to be completed sequentially in a single downhole operation. The process is simple, improving construction safety and reliability. Furthermore, the device is not dependent on the specific morphology of the lost circulation channel and exhibits good plugging effects on fractured, cavernous, and highly heterogeneous lost circulation formations, showing broad application prospects.

The invention discloses a sound insulation building structure wall, production equipment and a production method, and belongs to the technical field of building walls. The problems that stress looseness is prone to being generated in traditional wall rigid connection, and the surface is damaged by friction during panel machining steering are solved. According to the wall, 'concealed 'surface contact clamping connection is achieved through the T-shaped blocks and the sleeve blocks, traditional point-shaped screw fixation is replaced, stress is dispersed, and a sound bridge is eliminated; labyrinth type packaging is formed by the butt joint structure through the inserting rods and the grooves. The production equipment is provided with a rotating table with a lifting function aiming at a gypsum board, the board is supported during steering to achieve suspension type friction-free rotation, and by matching with a cutting structure and an automatic limiting device in the portal frame, board bottom face abrasion and angle deviation caused by traditional plane forced steering are avoided. According to the invention, the long-term dynamic stability of the wall body structure is realized, and the high precision and surface integrity of plate production are ensured.

The present invention relates to an air channelling clip for sports or work equipment provided with a handle (2) having holes (4) covered by a grip band (3). Each clip (1) is a longitudinal, elongate or round device with rigid walls and a central opening (6), said clip being inserted into the holes (4) in the handle (2) to allow air to flow from inside the handle to the surface of the grip band (3), facilitating the evaporation of sweat and improving ventilation. The clip (1) may include a perimeter fastening flange (8), a flap (7) for redirecting air, microchannels (9) for removing sweat, and other optional variations.

The invention discloses a raw material homogenizing device for a special ceramic insulator, and belongs to the technical field of material preparation equipment, the raw material homogenizing device comprises a bottom plate, a top plate, and a sealed container jointly enclosed by rigid walls and tough walls which are alternately arranged; the one-way pressure relief valve is arranged at the top of the container; the pulse electromagnetic valve is arranged at the bottom of the container; and an extrusion mechanism for extruding the tough wall. When the device works, the extrusion mechanism firstly extrudes the tough wall to pressurize the interior of the container, so that forced wetting and bubble dissolving are realized; when the pressure reaches a threshold value, the one-way pressure relief valve is opened, so that the pressure in the container is suddenly reduced, and flash evaporation explosion boiling is triggered to crush aggregates; then the extrusion mechanism is released, and the container expands to form negative pressure for deep degassing; and finally, gas is injected into a pulse electromagnetic valve at the bottom to form violent turbulence for macromixing. The device integrates homogenizing and degassing functions, and has the remarkable advantages of no contact pollution, no mixing dead angle and high mixing and degassing efficiency.