20results about How to "Improve support rigidity" patented technology

The utility model provides an easily expandable assembly type scaffold, including a plurality of support frames of parallel arrangement, the upside of two adjacent support frames is connected through a plurality of treads, the bottom of support frame is detachably equipped with adjusting support and heightening spare, adjusting support and heightening spare cooperation is used for supporting in the working surface as a whole, heightening spare is located between support frame and adjusting support, the top of support frame still is equipped with railing assembly, and the working area interval is formed to the connection of support frame and tread by railing assembly. The utility model is convenient to assemble and disassemble, improves the adaptability of different scenes greatly, can carry out flexible adjustment according to need, guarantees the safe and stable of construction.

The present application provides a physical quantity sensor fixing structure capable of supporting a physical quantity sensor having a detection unit that detects a physical quantity and a lead wire with high support rigidity with respect to a conductive support member to which the lead wire is connected. In a physical quantity sensor fixing structure in which a holder (2) that holds a thermistor (1) is fixed to a plurality of conductive support members (51, 52) to which a plurality of lead wires (11, 12) are respectively connected with respect to a plurality of conductive support members (51, 52) to which a plurality of lead wires (11, 12) are respectively connected, the holder (2) has a main body member (3) that is formed with a housing portion (30) that houses at least a portion of the thermistor (1), and a cover member (4) that covers at least a portion of the housing portion (30).

The utility model relates to a concentric assembly structure of a pneumatic rotary chuck, which comprises a chuck body used for installing a clamping jaw. The bottom of the rotary table fixing disc is connected with a hollow rotary table, and the upper part of the rotary table fixing disc is coaxially assembled with the bottom of the chuck body; and the positioning cylinder is arranged in the inner hole of the hollow rotary table, the bottom of the positioning cylinder is coaxially assembled with the rotating part of the pneumatic slip ring, and the upper part of the positioning cylinder is connected with the bottom side of the rotary table fixing disc and is coaxially assembled with the rotary table fixing disc. By optimizing the connecting structure, the coaxiality between the upper part and the lower part is improved, the supporting rigidity is better, and the chuck body rotates more stably relative to the pneumatic sliding ring fixing part.

This utility model relates to a support mechanism for a dough mixer mixer, including a dough hopper and a mixing shaft. Openings are respectively provided on the two side plates of the dough hopper. Flanges coaxial with the mixing shaft are connected to the openings on both side plates. One end of the mixing shaft passes through the left flange and is fitted with a connecting drive sprocket at the end. The other end of the mixing shaft passes through the right flange and is fitted with a connecting worm gear at the end. Both flanges have bearing chambers extending into their inner cavities connected by screws at their ends away from the openings. Two deep groove ball bearings are installed in the bearing chamber of the left flange via bearing spacers. Two oppositely arranged tapered roller bearings are installed in the bearing chamber of the right flange via bearing spacers. A threaded channel is provided on the end face of the mixing shaft passing through the right flange, and a bearing cap is connected via an oiling bolt. An oil outlet channel is provided on the mixing shaft, connecting the oil outlet of the oiling bolt to the tapered roller bearings. This utility model facilitates bearing disassembly, maintenance, and replacement, and allows for lubrication via the oiling bolt, extending its service life.

The invention provides a combined type shaft fixing structure of a magnetic drive pump, and belongs to the technical field of magnetic drive pumps. The technical problems that an existing supporting shaft is prone to being corroded by conveying media, and rigid supporting and vibration suppression are difficult to achieve at the same time during high-speed operation are solved. The combined type shaft fixing structure of the magnetic drive pump comprises a shielding cover and an integrally-formed supporting shaft fixedly connected with the shielding cover. The supporting shaft is provided with a fixing section and a supporting section which are perpendicular to each other. The periphery of the supporting section is sleeved with a fixing shaft with an opening in one end. An elastic gasket is arranged among the shielding cover, the supporting shaft and the fixing shaft; and sealing structures are arranged between the fixed section and the shielding cover and around the opening end of the accommodating hole. The invention has the advantages of high support rigidity, capability of completely isolating corrosive media, good sealing reliability, capability of effectively inhibiting vibration and noise, stable operation, long service life and the like.

The utility model discloses an oil pipeline connection anti-loosening fastening device, which relates to the technical field of fastening devices, and comprises a plurality of fasteners, each fastener comprises a U-shaped plate, and the interface of two pipelines is positioned in the middle area of the U-shaped plate along the axial length of the pipelines; the two ends of the first tightening ring are fixedly connected with the two opposite side faces of the U-shaped plate, the two ends of the second tightening ring are fixedly connected to the two adjacent side faces of the U-shaped plate respectively, and the second tightening ring spans and covers the edge of the outer side of the top of the U-shaped plate. A double-ring cooperative anti-deformation mechanism is adopted, the first tightening ring and the second tightening ring form tightening force in the orthogonal direction, when the pipeline connector is axially separated, the double rings resist expansion of the U-shaped plate in real time through elastic restoring force, and compared with a traditional single-ring structure, the anti-loosening capacity is improved, and the anti-loosening effect is good. And the thicknesses and the widths of the U-shaped plate and the first tightening ring are linearly increased in the radial direction, so that a high-stress area close to the pipeline connector obtains higher supporting rigidity.

The application relates to a high-speed stretching controllable spring for bicycle seat adjustment, which comprises a starting top rod, a hollow piston rod, a framework guide, a sealing ring, a pressurized air cavity, a positioning groove, a piston assembly, an oil cavity and a cylinder barrel, the cylinder barrel is divided into the pressurized air cavity and the oil cavity by the positioning groove, the framework guide is arranged at one end of the cylinder barrel, the sealing ring is arranged on one side of the framework guide, the piston assembly is arranged at one end of the oil cavity, one end of the hollow piston rod is connected with the piston assembly, the other end of the hollow piston rod penetrates through the framework guide and extends to the outside of the cylinder barrel, the starting top rod is arranged in the hollow piston rod in a penetrating mode, a piston valve needle is arranged in the piston assembly, and the piston valve needle is connected with the starting top rod; the application solves the problem of slow seat adjustment stretching speed, improves the adjustment response efficiency, reduces the product size, optimizes the installation adaptability, reduces the compression ratio and reduces the operation force change.

The invention discloses an integrated automatic centering device for track beam drilling and an intelligent leveling method of the integrated automatic centering device, and particularly relates to the technical field of engineering machinery track beam machining. The integrated automatic centering device comprises an adjustable machine tool and a first movable supporting base; a variable supporting base is placed below the alignment punching mechanism, the two ends of the variable supporting base are slidably connected with a first movable supporting base and a second movable supporting base correspondingly, and a three-area supporting layout is constructed through the variable supporting base and the first movable supporting base and the second movable supporting base at the two ends. The device is adaptive to long and short track beams, solves the problem that the two ends of the long beam are suspended and are not supported, and provides a basic framework for automatic alignment and leveling. The root problems of deflection deformation caused by suspension of the long beam without a support and precision failure after leveling can be eliminated; special tools do not need to be designed and manufactured for track beams with different lengths and different section special shapes.

The invention relates to the technical field of automobile bodies, in particular to an automobile body in white and an automobile. The body-in-white comprises a top cover assembly, a front wall assembly, a rear wall assembly and a floor assembly, the front wall assembly comprises an air window upper cross beam with the cross section being a closed cross section, the rear wall assembly comprises a rear wall plate, a rear wall upper cross beam and two rear wall vertical beams, and the rear wall plate and the rear wall upper cross beam are fixedly connected and define the closed cross section; the rear wall plate and the rear wall vertical beam are fixedly connected and define a closed section. The top cover assembly comprises a beam frame assembly and a cover plate, the beam frame assembly comprises two top longitudinal beams, and the bottom face of the cover plate and the top longitudinal beams are fixedly connected and define a closed section. The front end of the top longitudinal beam is fixedly connected with the air window upper cross beam, and the rear end of the top longitudinal beam is fixedly connected with the rear wall upper cross beam and one corresponding rear wall vertical beam; the floor assembly comprises a floor mask and two bottom plate frameworks, the floor mask and the two bottom plate frameworks are partially overlapped and jointly define two floor closed sections, and the rear wall vertical beams correspond to the floor closed sections one to one and are fixedly connected with the floor closed sections.

This invention discloses a novel double-layer pipe roof reinforcement device and its implementation method. The pipe roof consists of two layers arranged in a staggered pattern. A movable sleeve is installed inside the pipe roof, and several steel nails that can pass through the pipe roof are fixed on the sleeve and inserted into the soil under grouting pressure. This effectively expands the reinforcement range of the pipe roof, enhances the self-bearing capacity of the surrounding rock, and achieves a significant reinforcement effect. Furthermore, this invention also discloses an implementation method for using this double-layer pipe roof reinforcement device, including: Step 1: Construction preparation; Step 2: Measurement and layout; Step 3: Installing measuring water pipes or sensors and installing impact drilling tools on the pipe roof steel pipes; Step 4: Installing the first section of steel pipe and starting the drilling rig; Step 5: After advancing 0.5m, verifying the construction parameters and adjusting them before continuing drilling; Step 6: Verifying the pipe roof construction parameters and checking the borehole formation; Step 7: Installing grouting pipes at the ends and filling the pipe roof steel pipes with cement grout; Step 8: Sealing the borehole.

The invention provides a supporting shaft fixing structure of a magnetic drive pump, and belongs to the technical field of magnetic drive pumps. The technical problems that an existing supporting shaft is prone to being corroded by conveying media, sealing reliability is insufficient, and rigid supporting and vibration suppression are difficult to achieve at the same time during high-speed operation are solved. The supporting shaft fixing structure of the magnetic drive pump comprises a shielding cover and an integrally-formed supporting shaft fixedly connected with the shielding cover. The supporting shaft is provided with a fixing section and a supporting section which are perpendicular to each other. The periphery of the supporting section is sleeved with a fixing shaft with an opening in one end. An elastic gasket is arranged among the shielding cover, the supporting shaft and the fixing shaft; and sealing structures are arranged between the fixed section and the shielding cover and around the opening end of the accommodating hole. The invention has the advantages of high support rigidity, capability of completely isolating corrosive media, good sealing reliability, capability of effectively inhibiting vibration and noise, stable operation, long service life and the like.

This invention relates to a V-shaped adjustable support for an internal grinding machine, comprising several mounting seats mounted on the grinding machine. Each mounting seat is equipped with a support fixture and a horizontal adjustment assembly for adjusting the position of the support fixture. The support fixture is mounted on the horizontal adjustment assembly and includes a first support block, a second support block, a support plate, and a clamping member. The first support block is connected to the mounting seat, and the second support block is slidably fitted onto the mounting seat. The mounting seat is equipped with a height adjustment assembly for adjusting the position of the second support block. The first and second support blocks are positioned opposite each other, and supporting inclined surfaces are provided on their opposite sidewalls, forming a V-groove. Cylindrical parts are placed between the two supporting inclined surfaces. The support plate is installed between the first and second support blocks, and the clamping member is mounted on the support plate, serving to abut against the cylindrical parts. This invention improves the grinding accuracy of internal grinding machines.

This invention discloses a dual-station steering gear housing machining fixture in the same direction and its usage method. It includes a base with a first machining position on the base. The first machining position has a first mounting surface (higher on the outside, lower on the inside) and a second mounting surface. The first mounting surface is located on the left side of the first machining position, and the second mounting surface is located on the right side. A left-section positioning mechanism is disposed on the first mounting surface for positioning the left half of the steering gear housing. A middle-section support and clamping mechanism is disposed on the left half of the second mounting surface for supporting, clamping, and positioning the middle section of the steering gear housing. A right-section positioning mechanism is disposed on the right half of the second mounting surface for positioning the right half of the steering gear housing. This invention effectively avoids dimensional deviation problems, improves the stability and accuracy of clamping, effectively reduces production costs, significantly reduces the probability of human error, and significantly reduces equipment modification costs.

This invention discloses a cantilevered aero-engine rotor structure and an aero-engine. The cantilevered aero-engine rotor structure includes a main shaft, an intermediate casing, a first bearing housing, a second bearing housing, and a power assembly. The main shaft has a support section and a load section at its two ends along its length, with the power assembly located in the load section. The first bearing housing is installed at the end of the support section furthest from the load section, and the second bearing housing is installed at the end of the support section closest to the load section. The intermediate casing is connected to both the first and second bearing housings, and the first and second bearing housings are joined around the support section to form a bearing cavity. The bearing cavity contains the first and second bearings. The first bearing is installed between the first bearing housing and the main shaft, and the second bearing is installed between the second bearing housing and the main shaft. The cantilevered aero-engine rotor structure provided by this invention adopts a 2-0-0 support scheme, which is simple in structure and has a reasonable and compact layout, simplifying the engine structure and reducing costs.

This application discloses an adaptive ejection recoil, a hydraulic system, and a working method, relating to the field of ejection control. The ejection recoil includes a lower housing, an upper housing, and a floating cylinder assembly. The floating cylinder assembly includes multiple floating cylinders disposed between the lower and upper housings. The hydraulic system of this application includes an oil pump unit, a control valve assembly, an accumulator, and a switching valve. The working method of this application is divided into three steps. During the lifting stage, the different cross-sectional areas of the rod-side and rodless-side chambers of the floating cylinders are used to drive the piston rod to lift the upper housing to a state that is in contact with the external storage ejection box. During the flexible support stage, a structure similar to a hydropneumatic spring is formed between the rodless-side chamber of the floating cylinder and the accumulator, which can adapt to minor unevenness of the ground. During the rigid support stage, the rodless-side chamber of the floating cylinder is disconnected from the accumulator, and the floating cylinder changes from a flexible support state to a rigid locking state, reliably transmitting the recoil force to the ground.

The utility model provides a kind of support suspension device and the washing machine comprising it, support suspension device includes first support, second support and elastic support component, elastic support component is made of elastic material, including: upper vibration isolation support part, the second end of connecting first support along circumferential direction;Lower vibration isolation support part, the second end of connecting second support;And left vibration isolation support part and right vibration isolation support part, all extend along up-down direction and are connected between upper vibration isolation support part and lower vibration isolation support part respectively.The left vibration isolation support part and right vibration isolation support part have bending part along extension direction.The lower vibration isolation support part is configured to be able to change with the gravity of cylinder, relative to upper vibration isolation support part in left-right direction close or away.This suspension support device can achieve better vibration isolation and damping effect, reduce the number of parts, structure is more compact, significantly reduce the occupation of box space, and avoid the structure noise generated by component operation.

This invention discloses a formwork support for large-span cantilever beam construction, comprising a base, a connector for connecting to external cantilever columns, a construction plate for external construction personnel to stand on, a driving component for sliding the construction plate along the length of the external cantilever beam, a rotating plate stacked on the construction plate for secondary standing by external construction personnel, a rotating component for driving the rotating plate to rotate axially around one corner of the outer end of the construction plate, and a lifting component on the base to prevent the rotating plate from detaching from the construction plate after rotation. Both the construction plate and the rotating plate are reinforced with strengthening components to enhance their support strength. This invention solves the problem in the prior art of lacking a cantilever beam construction formwork support that is easy to assemble and disassemble and can be adjusted according to changes in the construction location.

This invention discloses a three-degree-of-freedom wide-field-of-view multi-line laser 3D reconstruction device for porcelain, enabling the multi-line structured light measurement platform to cover the entire outer surface of the porcelain. The device employs a unique rotation-lift-rotation (RLR) three-axis linkage mechanical structure, driving the open-type support platform and the "head-shaking" sensor platform to move in tandem, achieving flexible and precise adjustment of the imaging system and the porcelain's pose. This RLR three-axis linkage method solves the problem of insufficient coverage of the entire circumference of the porcelain surface and complex occluded areas (such as bottle handles and inner walls) using traditional methods, ensuring high density and high integrity of the 3D reconstruction. The device uses a frame-type support and a three-degree-of-freedom decoupled structure, ensuring overall rigidity and measurement stability, and can adapt to porcelain of different sizes while providing a large coverage area. The system is mainly constructed from standard parts and a series multi-degree-of-freedom mechanism, offering advantages such as low cost and ease of installation and maintenance, providing an efficient, stable, and highly adaptable dedicated solution for high-precision 3D digitization of porcelain.

The utility model relates to a cruise device, in particular to a cruise device of self-moving equipment and the self-moving equipment, which are used for solving the technical problems that when a module in a cruise shell needs to be maintained, a machine body shell needs to be disassembled firstly, the operation process is tedious, and the maintenance efficiency is influenced. The cruising device of the self-moving equipment comprises a cruising shell, a shell fixing plate and a lateral pressing block, transition connection between the cruising shell and a machine body shell is achieved through the shell fixing plate, a positioning fixing rod is combined with a positioning fixing hole to form stable connection, and the lateral pressing block provides transverse pressing force to improve sealing performance and fix a structure. The cruise shell can be disassembled only by disassembling the connecting piece of the cruise shell and the shell fixing plate without disassembling the main machine shell, and the cruise device can be conveniently disassembled, assembled and maintained on the premise that the sealing performance is guaranteed.

The utility model discloses a temporary support device suitable for tunneling a broken surrounding rock roadway in a pedaling area, which comprises a single hydraulic prop comprising a sleeve and a piston rod, and the piston rod is movably arranged in the sleeve and is driven by hydraulic oil in the sleeve to realize axial extension and retraction; the connecting base is coaxially installed at the top of the piston rod, a plurality of connecting grooves are evenly distributed in the circumferential direction of the connecting base, supporting rods are detachably installed in the connecting grooves, and the supporting rods are horizontally arranged; the piston rod is coaxially sleeved with the supporting seat, the bottom of the supporting seat is fixedly connected with the upper end of the sleeve, a plurality of hinged supports are evenly distributed on the upper surface of the supporting seat in the circumferential direction, each hinged support is hinged to one end of a supporting rod, the other end of the supporting rod is hinged to a sliding seat, and the sliding seat is in sliding connection with the supporting rod. The active temporary support can be realized when the roadway in the kick-out area is tunneled, the roof protection area is increased, meanwhile, the mounting operation is convenient, and the rapid tunneling is facilitated.