68results about How to "Effective support and fixation" patented technology

The invention relates to the field of advanced manufacturing, in particular to a milling stability predicting method based on a cubic polynomial. The milling stability predicting method has the advantages that a state term, a delay term and a cycle coefficient term of a dynamics equation are approximated by the cubic polynomial, the required term is fit by a plurality of known time points and corresponding responses, the local error of a calculating method is reduced, and the accuracy of the predicting method is improved; an H matrix is substituted into the stability lobe graph obtaining process, and is not directly substituted into an F matrix for calculating, so the number of iteration times in the F matrix calculating process can be reduced, the time of the calculating method is saved, and the calculating efficiency is improved.

The invention relates to the field of advanced manufacturing, in particular to a supporting device and a machining precision improving method for a thin-wall part. Matching buckles are matched with ring ways and slide ways so that supporting postures of different space shapes can be completed on a supporting table, a thin-wall part can be fixedly supported effectively, and more precise modal parameters can be obtained through clamping conducted through the supporting device. Under the circumstance that boundary limiting conditions such as the cut-in angle, the cut-out angle and the cutting thickness are considered sufficiently, a numerical integration method is used for iterative operation, a vibration displacement simulating diagram is obtained by subdividing the rotating speed of a main shaft and the axial cutting depth within a certain range, a milling stability diagram is finally obtained, simulation precision is improved, and machining quality is improved.

The invention relates to the field of advanced manufacturing and particularly relates to a thin-wall part supporting device and a milling stability forecasting method. According to the thin-wall part supporting device, the support postures with different spatial shapes can be completed on a support table by cooperation between a matching button and a ring rail and between the matching button and a sliding rail; thin-wall parts can be effectively supported and fixed; more accurate modal parameters can be attained by clamping through the support device, so that the stability limit which is forecasted by using a radial basis function is more accurate; the thin-wall part supporting device is more suitable for production and is capable of providing reliably theoretical support for actual operators.

A damping device of construction equipment comprises a bottom plate device, a fixing device, positioning devices, a supporting table device, an ejecting device and a motor device. The bottom plate device comprises a first bottom plate and a second bottom plate. The fixing device comprises a fixing plate, first fixing transverse rods, first vertical rods and rotating rods. Each positioning device comprises a first positioning rod, a second positioning rod, a first spring and a first limiting block. The supporting table device comprises a supporting table, second transverse rods, second springs, third springs, fixing blocks and third positioning rods. The ejecting device comprises supports, a fourth spring, a fifth spring, sixth springs and first connecting ropes. The motor device comprises a motor, an output shaft, a second connecting rope and a third connecting rope. The output shaft is horizontally arranged and connected with the motor, the second connecting rope is vertical, the lower end of the second connecting rope is fixedly connected with the output shaft, and the upper end of the second connecting rope is fixedly connected with the lower end of the third connecting rope. The damping device can effectively damp construction equipment and reduce losses.

The invention discloses a steel template system used for a subway foundation pit supporting beam. The steel template system comprises a main beam template and diagonal bracing beam templates, wherein the main beam template is located in the middle, the diagonal bracing beam templates are located at the two ends, the main beam template and the diagonal bracing beam templates are formed by steel templates in a parallel and opposite mode, the bottoms of the steel templates are provided with foot braces which can be locked with the ground, the oppositely-arranged steel templates are connected and supported through jack screws at the tops of the steel templates, the outer side of each steel template is provided with an outer supporting framework which can support and abut against the steel templates, each outer supporting framework comprises a portal frame and supporting rod assemblies, each portal frame is provided with a portal frame cross beam and stand columns, the supporting rod assemblies are installed on the stand columns and used for supporting the steel templates, each supporting rod assembly comprises a supporting board used for abutting against the steel templates, and a supporting rod used for adjusting the supporting board to move back and forth, each supporting board is connected to the end portion of one supporting rod, and the supporting rods are screws and penetrate through the stand columns and are in threaded connection with the stand columns. By the adoption of the technical scheme, the steel template system is good in integrality, the templates do not deform easily, fixation is firm, the supporting beam is prevented from producing structural deformation when concreted is poured, and assembly and disassembly are rapid and convenient.

The invention relates to a chemical equipment pipe supporting frame which comprises a support, a supporting rod and a pipe clamp. The pipe clamp comprises an upper hoop and a lower hoop which are both in semicircular ring shapes, one end of the upper hoop is hinged to one end of the lower hoop, and the other end of the upper hoop is in bolt connection with the other end of the lower hoop; an adjusting rod comprises a first vertical rod connected with the lower hoop, a first transverse rod connected with the bottom end of the first vertical rod, a first screw rod and a second screw rod, and the first screw rod and the second screw rod are connected with the two ends of the first transverse rod, and are correspondingly embedded into through holes in the support; and the first screw rod is in clamped connection with the support through a first upper nut and a first lower nut, and the second screw rod is in clamped connection with the support through a second upper nut and a second lower nut. By means of the above structure, a chemical equipment pipe can be effectively supported and fixed, the vibration influences on the pipe can be effectively prevented or greatly reduced, and therefore the process quality and the construction safety of chemical equipment are further guaranteed.

The invention discloses an industrial waste gas treatment device, which comprises an intake pipe, a washing bucket, a barrel wall, a top cover, a cavity, a first through hole, a motor, a rotating shaft and a first stirring rod. Connecting rods are respectively connected above two sides of the first stirring rod. A second stirring rod is fixedly connected above the connecting rod. A water pump is also connected above the top cover. A drain pipe and a liquid suction pipe are in through connection with the water pump. A filter cartridge is also connected between the liquid suction pipe and the water pump. The top of the filter cartridge is connected with a filter cartridge cover. The bottom of the liquid suction pipe extends into the washing bucket. A plurality of annular tubes arranged one above the other are connected below the drain pipe, and two adjacent annular tubes are communicated with each other through two connecting pipes. The diameters of the annular tubes are sequentially increased from top to bottom. The annular tubes are provided with a plurality of second through holes. The top of the top cover is connected to an exhaust funnel, inside which an exhaust fan is connected. The deficiencies in the prior art can be improved, and the device of the invention has a better exhaust gas washing effect.

The invention discloses an automatically retractable garden seat tent, which comprises a bottom plate, the left side of the bottom plate is fixedly connected with the right side of the backing board, and the right side of the backing board is fixed with the left side of the armrest. connected, and the upper surface of the leaning plate is provided with a first groove, the opposite surfaces of the first groove are respectively fixedly connected with the front and rear ends of the first slide bar, and the outer surface of the first slide bar is sleeved with a stopper The lower surface of the baffle is fixedly connected to the top end of the first electric push rod, and the upper surface of the backing plate is fixedly connected to the bottom ends of the two second electric push rods respectively. The automatically retractable garden seat tent is provided with a control panel, a second electric push rod, a support plate, a box body, a fixed plate, a fixed column, a motor, a rotating shaft, a bearing, a runner, a waterproof cloth, a third slide bar and the first The cooperation between the two support rods can effectively block the invasion of rainwater and sunlight, thereby making people's rest more comfortable and at ease, and facilitating people's lives.

The invention particularly relates to a support device with a charging function. The support device is connected to electronic equipment and comprises a support structure, a clamping structure and a charging module, wherein the shape of the support structure can be changed; the clamping structure is arranged on a supporting part and is used for placing the electronic equipment; the charging module is arranged on the supporting part and is used for supplying power to the electronic equipment positioned in the clamping structure. The foldable support device adopts a special structure, has three use states and is novel in modeling and convenient to carry; meanwhile, the support device has multifunctional functions of charging, serving as a supporting frame and selfie stick and the like.

The invention discloses a raw material mixing device and a process for hygroscopicity-improved nylon 6. The invention belongs to the technical field of nylon 6 production. The raw material mixing device for hygroscopicity-improved nylon 6 comprises a supporting mechanism, a heating and mixing mechanism and a stirring and mixing mechanism, the supporting mechanism comprises a vertical supporting plate, the top end of the vertical supporting plate is fixedly connected with an upper supporting plate, the bottom end of the vertical supporting plate is fixedly connected with a lower supporting plate, the heating and mixing mechanism comprises a heating box, and the outer wall of the top of the heating box is communicated with a feeding pipe. The addition of a modifying agent can be realized; the hygroscopicity of the nylon 6 is reduced; the hygroscopicity of the nylon 6 is effectively and progressively improved, the shrinkage rate of the nylon 6 is reduced, and during the raw material mixing process, a modifier and caprolactam are completely mixed through the arrangement of the mixing device so as to improve the action effect of the modifier and further improve the performance improvement effect of the nylon 6.

The invention belongs to the technical field of waste gas treatment, and particularly relates to a breaking machine for deodorization compound biosphere production. The breaking machine comprises a breaking machine shell and a feeding table. A feeding opening is formed in one side of the breaking machine shell, the feeding table is fixedly connected with the position, on the feeding opening, of the breaking machine shell, a conveying belt which is vertically distributed is arranged at the position, on the feeding opening, in the breaking machine shell and is provided with multiple breaking teeth, a top plate is arranged in the conveying belt, fixed rods are symmetrically distributed on the two ends of the top plate, the extension ends of the fixed rods are fixedly connected with the position, on the feeding opening, of the inner wall of the breaking machine shell, a feeding plate is arranged at the position, on the feeding opening, of the feeding table, a discharging opening is formedin the bottom of the breaking machine shell, the breaking teeth on the conveying belt are used for carrying out breaking, and breaking of a foam plate is achieved.

The invention relates to a supporting frame for a chemical equipment pipeline. The supporting frame comprises a support, a supporting rod and a pipeline clamp, wherein the pipeline clamp comprises anupper hoop and a lower hoop which are both in a semi-circular ring shape, one end of the upper hoop is hinged to one end of the lower hoop, and the other end of the upper hoop is connected with the other end of the lower hoop in a bolt mode; and an adjusting rod comprises a first vertical rod, a cross rod, a first screw and a second screw, wherein the first vertical rod is connected with the lowerhoop, the first cross rod is connected with the bottom end of the first vertical rod, the first screw and the second screw are connected with the two ends of the first cross rod respectively, the first screw and the second screw are correspondingly embedded in through holes formed in the support, the first screw is connected with the first screw rod through a first upper nut and a first lower nutin a clamped mode, and the second screw is connected with the support through a second upper nut and a second lower nut. By the adoption of the structure, the chemical equipment pipeline can be effectively supported and fixed, so that the vibration influence of the pipeline can be effectively prevented or greatly reduced, and the process quality and construction safety of chemical equipment are guaranteed.

The invention provides a test shielding box for 5G communication, relates to the technical field of test shielding boxes, and aims to solve the problems that when an existing signal test shielding boxis used, the shielding box is usually used at an uneven position on a mountain, and cannot be supported and adjusted when placed and used, the test shielding box is inconvenient to use, and the shielding box cannot be adjusted and controlled to be in a plane state according to terrains. The shielding box comprises a main body; the main body is a shielding box body and is of a rectangular structure; and adjusting grooves are formed in the corners of the bottom of the main body. Adjusting rods are used for being installed in the adjusting grooves to adjust the height, so when the shielding boxis used at the uneven position of a mountainous area, the adjusting rods at any position can be adjusted according to needs, fixed plates can be pulled to move outwards through manpower, the fixed plates are disengaged from the interiors of the inserting grooves, and limiting of the adjusting rods can be relieved; and then the adjusting rods are controlled to move up and down, then the fixed plates are pressed, so the fixed plates are inserted into the inserting grooves again, and then the shielding box is effectively supported.

The invention relates to a two-way fixing steel plate and a diaphysis fixing system. The two-way fixing steel plate comprises a steel plate body, wherein the steel plate body is used for placement from the front side of a diaphysis, and has a structure matched with the front lateral surface of the diaphysis for fixing and attachment of the fractured end of a bone; at least two pairs of guide holes for penetrating through first locking screws respectively are formed in the structure, matched with the front lateral surface of the diaphysis, of the steel plate body at angles at which an intramedullary nail is clamped by each first locking screw through which the guide holes penetrate to control rotation and axial stability of the intramedullary nail. According to the two-way fixing steel plate, the guide holes of the steel plate body are formed at specific angles, so that the guide holes can be matched with the first locking screws to implement supporting, protection, rotation prevention and axial stability of a part at the fractured end of the bone of the diaphysis to further enhance fixing reliability after reduction, and assistance in stable reduction and healing of the fractured part can be effectively ensured.

The invention discloses a portal type crane cantilever stand column supporting auxiliary fixing structure which comprises a crane body and a servo motor. A main arm is installed on the right side of the crane body in a hinged manner. A driving mechanism is installed in the crane body, the driving mechanism internally comprises an adjusting base, and in addition, the adjusting base is hinged to theinterior of the crane body. A supporting frame is fixedly installed on the top of the adjusting base, rotating shafts are symmetrically inserted in the upper side and the lower side of the interior of the supporting frame, and drive gears are symmetrically fixed to the outer walls of the front side and the rear side of each set of rotating shaft. By means of the portal type crane cantilever standcolumn supporting auxiliary fixing structure, an auxiliary supporting mechanism is connected between a cantilever body and the main arm, a triangular stable support formed among a supporting screw rod, the main arm and the cantilever body in the auxiliary supporting mechanism is used for conducting auxiliary supporting between the main arm and the cantilever body, and the cantilever body and themain arm can be firmer and more stable during running of the device.

The invention discloses a smokeless granular chemical product mixing device with a washing function, and relates to the technical field of powder packaging. The device comprises supporting blocks anda shell. Supporting rods are mounted above the supporting blocks, and stabilizing blocks are arranged on the left sides of the supporting rods. Leakage holes, fixing plates, a rotary shaft, a stirringblock, a motor, a fixing frame, a mounting frame, a filter net, linkage blocks, a fan and an air outflow net are arranged in the smokeless granular chemical product mixing device with the washing function, processed chemical products can be discharged through the leakage holes by a user, the motor can be fixedly mounted through the fixing frame before the device is used by the user, the motor isprevented from disengaging during use, the motor can be started when the device is used by the user, the motor can drive the rotary shaft to rotate, the rotary shaft can drive the stirring block to rotate, the stirring block can well stir the chemical products in the device, harmful gas can be filtered through the filter net, and the situation that the harmful gas enters air to endanger the humanbody is avoided.

The invention discloses a security and protection intelligent access control system based on the Internet of Things. The security and protection intelligent access control system comprises a base and a face recognition camera body. A fixing table is arranged at the upper end of the base, and the side wall of the front end, close to the fixing table, of the base is fixedly connected with a supporting block. According to the security and protection intelligent access control system, the face recognition camera body is arranged on the supporting block, abuts against strip-shaped slots and makes contact with the strip-shaped slots, and therefore clamping blocks can drive movable plates to move in rectangular openings and compress pressure springs, strip-shaped clamping blocks on the supporting blocks can be inserted into strip-shaped clamping grooves in the face recognition camera body, the face recognition camera body is effectively supported and fixed, and disassembly and repair are convenient; and a hydraulic cylinder in a strip-shaped groove is started through an infrared controller, and therefore the hydraulic cylinder can cooperate with a fixing plate to drive a protection piece to penetrate through the upper end of a shell of the face recognition camera body, the protection piece can be arranged in the mode of being right opposite to a screen of the face recognition camera body, and the dustproof and waterproof protection is effectively provided for the screen of the face recognition camera body.