302 results about "Self weight" patented technology

The invention discloses a mica sheet feeding device of an automatic sheet arranging machine of a groove type commutator, and belongs to the technical field of commutator production equipment. The device comprises a device seat, and a mica sheet transfer seat, a falling seat, a mica sheet feeding device, a negative pressure adsorption device, a detection device, a turnover mechanism, a pushing mechanism, a sheet arrangement turntable, a turntable power motor and an extrusion device which are fixed on the device seat, the mica sheet transfer seat is provided with a column of mica sheet placing grooves, and the falling seat is provided with a corresponding falling channel; the side wall of a mica sheet accommodating seat of the turnover mechanism is provided with a whole circle of mica sheet inserting grooves, and the mica sheet inserting grooves are opposite to the placing grooves in batches through rotation; the mica sheet plug-in groove is in interference fit with the thickness of the mica sheet, so that the mica sheet does not fall off due to self weight and can be pushed by external force. The full-process mechanization of mica sheet feeding, positioning, batch insertion and mold vertical insertion is realized through the automatic mechanism, the problems that the assembly of the groove type commutator depends on manpower and a special feeding device is lacked are solved, and the production efficiency and the product quality can be obviously improved.

The invention discloses an automatic plate feeding system in energy storage container laser cutting, and relates to the technical field of laser cutting feeding devices, the automatic plate feeding system comprises a feeding mechanism and an adjusting mechanism, and the feeding mechanism is used for adjusting the horizontal position and the vertical height of the adjusting mechanism. According to the device, the positions of the suction cup assemblies are adjusted through the X-axis moving assembly and the Y-axis adjusting assembly in the adjusting mechanism, so that the distance between the multiple suction cup assemblies can be adjusted according to the sizes of the plates, and the adsorption fixing effect on the plates of different sizes is enhanced; in the middle supporting mechanism, a second servo motor drives a lead screw and a screw block to drive a supporting plate to horizontally move to the bottom of the large-size plate, an electric telescopic rod adjusts the height of the supporting plate to achieve bottom supporting, and in combination with the structural stability enhanced by a reinforcing plate, the vertical bending moment generated by the dead weight of the plate can be effectively counteracted; and arc-shaped deformation of high two ends and low middle due to middle sagging is avoided.

The invention discloses a concrete gravity dam structure with a cavity and a construction method thereof, and belongs to the technical field of water conservancy and hydropower engineering. The structure comprises a dam body, an anti-sliding structure, a weight reduction cavity and a gallery structure. The dam body is composed of a dam foundation arranged in the rock mass and a dam body poured on the dam foundation. The anti-sliding structure is a concrete anti-sliding plug which is formed at the bottom of the dam foundation and embedded into the bedrock. The weight reduction cavity is formed in the dam body in the axis direction of the dam. The gallery structure comprises a plurality of galleries arranged along the axis of the dam, a dam foundation grouting curtain is arranged at the bottom of the upstream gallery, and drainage structures are arranged in the galleries. By arranging the cavity in the dam and the steep dam slope, the using amount of concrete can be obviously reduced; an anti-sliding plug is used for providing passive anti-sliding force instead of resisting sliding force through dam foundation anti-sliding force generated between the self weight of a common gravity dam and a dam foundation rock mass, and meanwhile, a pre-stressed anchor cable constructed from a corridor is used for actively reinforcing and adjusting pre-tightening force so as to regulate and control dam foundation stress, so that the requirement of the dam foundation stress is met; seepage is controlled by combining a curtain and a drainage system. On the premise that the safety and stability of the dam body are guaranteed, the construction cost is effectively reduced, and remarkable economical efficiency and technical advantages are achieved.

The application provides a chemical mechanical polishing driving assembly, comprising a driving unit, a driving frame, a rotary joint, a bearing head and a damping shaft system; the damping shaft system comprises a first damping module and a second damping module to absorb vibration in horizontal and / or vertical directions respectively. The damping shaft system provided by the application absorbs vibration energy in different degrees of freedom without increasing the self weight of the driving frame, blocks the transmission path of the vibration energy, prevents the loosening and even failure of parts due to vibration, and improves the stability of wafer grinding quality to some extent.

The utility model discloses a comprehensive wiring distribution frame, which comprises a bottom plate and a distribution frame main body, the distribution frame main body is fixedly connected to the upper surface of the bottom plate, a plurality of ports distributed at equal intervals are arranged on one side of the distribution frame main body, and a plurality of groups of chutes corresponding to the ports one by one are arranged on one side of the distribution frame main body. The number of the multiple sets of sliding grooves is two, the two sliding grooves in the same set are located in the two sides of the port correspondingly, and a first protective cover and a second protective cover for sealing the port are slidably connected into the two sliding grooves in the two sides of the port correspondingly. According to the utility model, external dust can be prevented from entering the inside of the port, the phenomenon of short circuit or poor contact of the connecting line is prevented, the connection safety of the connecting line and the port is improved, the connecting line of the connecting point is always kept in a horizontal state with the port, the loosening of the connecting point caused by the falling of the connecting line due to self weight for a long time is prevented, and the service life is prolonged. And heat dissipation can be realized when the connection point of the connection line is connected with the port.

The present application belongs to the technical field of concrete beam-column structure, and specifically relates to a beam-column structure with locally internally arranged thin-walled steel pipes and a mounting method thereof. By reasonably arranging the internally arranged steel pipes and steel bars, the effects of reducing the self weight and improving the bearing capacity of the structure are achieved. The application of the steel pipes not only enhances the bending and shearing resistance of the concrete components, but also effectively delays the generation and expansion of cracks. In addition, due to the high strength and rigidity of the steel pipes, the structure can still remain stable under high load conditions, and is particularly suitable for occasions requiring high bearing capacity, such as bridges and buildings. A new design method of internally arranged steel pipe concrete is proposed by fully considering the stress characteristics of the beam-column components. Through detailed analysis of the structural details and working principles, professional technicians can implement the present application according to the description, so as to effectively improve the safety and economy of the engineering structure. The present application is used for improving the shearing, bending and overall stability of the structure.

The utility model discloses a sectional reinforcing structure of a crane boom, and relates to the technical field of crane booms. Comprising a bottom bearing frame, side reinforcing frames, a bearing piece, a top inclined frame, a connecting arm, a longitudinal reinforcing rod, a diagonal reinforcing rod and a first reinforcing piece, the side reinforcing frames are welded and fixed to the two sides of the bottom bearing frame, the top inclined frame is mounted on the bottom bearing frame in a bearing mode, and the bottom bearing frame, the top inclined frame and the connecting arm are connected to form a triangular structure. A plurality of longitudinal reinforcing rods are vertically installed between the bottom supporting frame and the top inclined frame, diagonal reinforcing rods are obliquely installed between the longitudinal reinforcing rods, and the bottom ends of the longitudinal reinforcing rods are welded and fixed through first reinforcing pieces. Through the hollow structure design of the bottom supporting frame, the side reinforcing frame, the top inclined frame and the like, the self weight is reduced while the bearing strength is ensured. The diagonal reinforcing rods and the gradient type longitudinal reinforcing rods which are arranged in a crossed mode are adopted, a multidirectional stress network is formed, vibration and deformation are effectively restrained, and the amplitude of the cantilever crane under heavy load is reduced.

The application discloses a pipeline transfer trolley, which comprises an axle and wheels at both ends of the axle, the axle is connected with the rear end of a push-pull frame, the front end of the push-pull frame is connected with one side of a pipe bracket, and the other side of the pipe bracket is provided with an upward opening groove in the transverse direction. The application has the advantages of: anti-falling optimization, eccentric welding of the push-pull frame and the arc-shaped pipe bracket form mechanical self-locking, the pipeline does not need to be additionally fixed, and the operation is simple and convenient; light weight, the self weight of the all-steel structure is less than 20 kg, one person can operate, and the difficulty of manual operation is reduced; strong passability, the solid tire can adapt to uneven road surfaces of a construction site and avoid being punctured; life improvement, the triangular reinforcing rib plate reduces the risk of fatigue fracture of the welding point; cost advantage, the material cost is less than 200 yuan, and the application is convenient to popularize; wide application range, applicable to DN65-DN300 pipelines.

The utility model discloses a U-shaped spring. A line segment BC on the inner side of the upper portion of a U-shaped spring body is perpendicular to the extension line of a line segment DA on the upper surface of the bottom of the U-shaped spring. The thickness of the bottom of the U-shaped spring is t3; the middle side line segment BB2 of the U-shaped spring is parallel to the top line segment CC1, and the thickness of the U-shaped spring BB2 is t2; the thickness of the upper CC1 part of the U-shaped spring is t1; the thickness relation of each part of the U-shaped spring is t3gt; t2gt; t2gt; t1; t1 / t3 is 2 / 3, a line segment C1B1 on the outer side of the upper portion of the U-shaped spring body and an arc A1B1 on the outer side of the U-shaped spring body are tangent to the point B1, the curvature radius of the arc A1B1 segment is gradually decreased from the point A1 to the point B1, and at least two fixing holes are formed in the two sides of the upper portion of the U-shaped spring respectively. According to the utility model, the U-shaped spring is reasonably designed; not only is the sensitivity of the U-shaped spring met, but also a device at the rear end of the U-shaped spring is protected, and the rigidity of the U-shaped spring is increased along with the increase of the compression amount; and the upper end of the U-shaped spring is gradually thinned, so that the self weight of the U-shaped spring is reduced, and the material cost is reduced.

The utility model discloses a novel basket type grinding machine, including by draw bar, main shaft, grinding basket and dispersion disc component grinding unit, and the utility model discloses innovative design is in by upper grinding disc, lower grinding disc, mesh board, basket gland, shaft sleeve, moving ring subassembly, static ring subassembly and the basket component grinding basket, the utility model discloses adopt novel material suction grinding structure, and the upper grinding disc rotates and participates in grinding work simultaneously, and material suction grinding is carried out simultaneously, and the grinding efficiency is greatly improved, and the direction of the upper oblique round hole of the upper grinding disc is opposite with the lower oblique round hole of lower grinding disc, when working, grinding beads are not easy to accumulate in the vicinity of grinding disc, reduce the probability of broken pearl, and material can carry out more sufficient grinding, and the design of double -deck grinding disc, reduce the self weight of material suction impeller and grinding disc, improve the working efficiency of motor, and the production efficiency is greatly improved.

The invention discloses a lifting hook control method and a lifting device. Before a lifting hook is lowered, whether the pulling force of the lifting hook on a pull rope is larger than the self weight of the pull rope or not is judged; when the pulling force of the lifting hook to the pull rope is not greater than the self weight of the pull rope, the lifting hook cannot be lowered by virtue of the self weight, and at the moment, the friction wheel winch is controlled to drive the friction wheel group to release the pull rope and the winch is controlled to release the pull rope, so that the load of the pull rope between the winch and the friction wheel winch can act on the friction wheel winch; the load transmitted to the rope outlet end of the friction wheel set after the pull rope passes through the friction wheel set is attenuated, so that the dead weight of the pull rope between the friction wheel set and the lifting hook is smaller than the pulling force of the lifting hook on the pull rope, the lifting hook can pull the pull rope through the dead weight, the winch releases the pull rope according to the preset speed, and then the lifting hook is lowered.

The utility model relates to the technical field of blower supports, and discloses an adjustable blower support which comprises a base, a pitching adjusting mechanism and a containing and fixing mechanism, the base comprises a first protruding block, and the pitching adjusting mechanism comprises a supporting arm, a first friction shaft and a second friction shaft. The storage fixing mechanism comprises a supporting plate, a second protruding block and a cable winding frame. The supporting arm of the support is made of aluminum alloy materials and provided with a plurality of hollow holes, structural strength and stable supporting are guaranteed, the self weight is effectively reduced, meanwhile, the first friction shaft and the second friction shaft are in good rotating connection with the first protruding block and the second protruding block, and considerable friction damping is achieved. The blower can be flexibly adjusted and stably kept at the required angle, the use convenience and flexibility are improved, the two magnetic round holes in the supporting plate and the magnetic round table at the upper end of the bottom plate facilitate accurate positioning and stable adsorption of the air nozzle which is not used temporarily, and the requirements in different use scenes can be met.

The utility model discloses a tire monitoring device which comprises a sensor module and a support capable of being connected outside a rim in a sleeved mode, the sensor module is located on the support, and an installation block with the dead weight larger than that of the sensor module is arranged on the support. According to the utility model, the sensor module is static relative to the frame, the tire moves relative to the sensor module, the measurement of all sites of the tire can be realized, the monitoring accuracy is improved, the sensor module is fixed relative to the frame position or swings in a small range, and the stability of signal transmission between the sensor module and a signal receiver on the frame can be improved.

The invention discloses an optical fiber jumper wire stroking type cutting device in a free suspension state, and the device comprises a blocking assembly, a wire stroking assembly, a cable guiding assembly, a cable collecting assembly, and a cutting assembly, and all the assemblies are disposed on a main installation plate in a layered manner. The cable guide assembly is provided with a guide rail, so that the cable slides under the action of gravity and is guided into the blocking assembly, and first point positioning of the head end of the cable is achieved. A flexible clamping jaw of the cable straightening assembly clamps the cable in a force-limiting half-clamping mode, so that the cable slowly slides relative to the clamping jaw under the action of self weight and tensioning of the cable collecting assembly, and vertical straightening and posture correction of the cable are achieved. The cable collecting assembly clamps a cable through a driving wheel and an elastic loading driven wheel to form stable tensioning, and supports intermittent inching and positioning maintaining. The cutting assembly is matched with a tungsten steel movable blade and a tungsten steel fixed blade and slides and cuts in a sliding cutter groove in the direction perpendicular to the axis of the cable, and precise cutting of the cable in the tensioning state is achieved. According to the invention, the problem that the pose of the freely suspended cable is uncertain is solved through a cooperative mode of gravity introduction, blocking positioning, flexible straightening, tensioning keeping and sliding shearing, the cutting precision is improved, and automatic production expansion is supported.

The utility model provides a monorail anchor rod drill carriage gantry supporting leg type transverse moving anchor rod drill rig device which comprises a drill rig assembly, and the drill rig assembly comprises a sliding rail, a sliding rail type drill arm platform, a transverse moving drill arm, an anchor rod drill rig and a portal frame mechanism. According to the utility model, the translation drill boom, the portal frame mechanism, the support mechanism and the cart mechanism are used for stabilizing the operation state of the jumbolter, stabilizing the position of the jumbolter and bearing the acting force of the jumbolter, so that various forces are collected to support the jumbolter, and a telescopic beam unit in the portal frame mechanism bears the self weight of the machine; the self weight of the machine, the weight of a steel rail and a chain ring of the section and the counter-acting force of a supporting platform and a front supporting leg for supporting a roadway roof can be adjusted, so that the jumbolter is good in stability, accurate in position finding and punching, capable of drilling holes in the roof, top slope bottom angles, two side slopes and side slope bottom angles and capable of drilling holes in different positions at various different angles, and the drilling efficiency is improved. Propulsion of the portal frame mechanism and the cart mechanism gives various reaction forces to forces at different angles.

The utility model discloses a lower side beam assembly of a rail wagon and the rail wagon. The lower side beam assembly comprises a vertical part, a transverse part and a U-shaped part; the length directions of the vertical part, the transverse part and the U-shaped part are consistent with the length direction of the railway wagon; the vertical part is in a flat plate shape and is vertically arranged; the transverse part is in a flat plate shape and is horizontally arranged; one side of the transverse part is connected with one side of the vertical part through an arc-shaped structure, and the radian of the arc-shaped structure is larger than 85 degrees and smaller than 95 degrees. The plane of the upper surface of the transverse part is lower than the plane of the bottom surface of the vertical part; the U-shaped part is located below the transverse part, the transverse section of the U-shaped part is in a U shape, and an opening of the U shape faces the transverse part and is closed by the transverse part; the central face, perpendicular to the width direction, of the U-shaped part is perpendicular to the transverse part. The lower side beam assembly is favorable for reducing the self weight on the basis of stable structure, and is suitable for railway wagons for transporting large-size containers.

The application relates to an aluminum alloy light-weight rail vehicle head and a manufacturing method, and belongs to the technical field of rail vehicle manufacturing. The application solves the problem that the self weight of an existing rail vehicle cannot meet the light-weight requirement of a head with the increase of high-tech equipment of a traditional vehicle and the increase of the self weight of the vehicle; the aluminum alloy light-weight rail vehicle head comprises a front window plate, a left side wall, a right side wall and a top plate; the front window plate, the left side wall, the right side wall and the top plate are all double-skin structures composed of an outer skin, a sound absorption and noise reduction filler and an inner skin. Compared with a traditional rail vehicle head, the setting of the outer skin, the inner skin and the reinforcing ribs enables the shell part of the rail vehicle head to meet the overall structural strength of the vehicle and realize the light-weight of the rail vehicle head, and the outer skin and the inner skin are thinned to different degrees at some positions, so that the shell part of the rail vehicle can be reduced by more than 30%.

The utility model discloses a masonry breast board wall structure, and relates to the technical field of masonry walls. The device comprises a concrete supporting table, bricks are arranged on the concrete supporting table, the bricks are arranged in a staggered and stacked mode, a concrete coping is arranged at the tops of the bricks, every two adjacent layers of bricks are connected through mortar, and a bottom plate used for erecting the concrete supporting table is fixed to the lower end of the concrete supporting table; two symmetrically-arranged stand columns are fixed to the upper end of the bottom plate, the bricks are connected with the concrete supporting table, the concrete coping and the stand columns through mortar, connecting structures are arranged on the bricks, and fixing structures are arranged between the bricks and the stand columns. According to the plate wall structure, the dead weight of the wall body is remarkably reduced, the pressure on a foundation is reduced, the application range is widened, meanwhile, when the bricks are piled up, the connecting effect between the bricks can be improved through the connecting structures, then the stability of the whole wall body is improved, and the service life of the wall body is prolonged.

The utility model relates to the technical field of logistics transfer tools, in particular to a heavy-load loading and transporting working position apparatus which comprises a plurality of layers of outer frames, the outer frames comprise a plurality of horizontal profile pipes, and each layer of outer frame is defined by the horizontal profile pipes; the supporting plates are horizontally fixed in each layer of outer frame; the two adjacent layers of outer frames are connected through the vertical profile pipes; each of the horizontal profile pipe and the vertical profile pipe comprises a main bearing steel pipe and a resin-based continuous glass fiber profile outer pipe, the main bearing steel pipe is sleeved with the resin-based continuous glass fiber profile outer pipe, and the length of the main bearing steel pipe is larger than or equal to that of the resin-based continuous glass fiber profile outer pipe. According to the double-layer sleeve structure, the bearing strength and rigidity of the profile pipe are improved, the assembling strength of a local installation face is improved, the excellent bearing capacity is provided, meanwhile, the light self weight is kept, deformation is not likely to happen in the using process, the resin-based continuous glass fiber profile outer pipe has good corrosion resistance and durability, and the service life can be prolonged.

The invention relates to the technical field of logistics transportation equipment, and discloses a lightweight recyclable container with a detachable structure, the lightweight recyclable container comprises a frame assembly, the frame assembly comprises a plurality of angle blocks, vertical rods, longitudinal rods and transverse rods, and fixing assemblies are arranged in the middles of the angle blocks; a wallboard assembly is arranged between every two adjacent transverse rods and every two adjacent vertical rods, movable assemblies are arranged on the sides, close to the wallboard assemblies, of the multiple transverse rods, each wallboard assembly comprises a first skin, a second skin and a supporting assembly, the first skin and the second skin are both arranged in the middle of the corresponding movable assembly, and the supporting assemblies are arranged on the first skin and the second skin. A second supporting plate, a plurality of third supporting plates, a plurality of fourth supporting plates and a first supporting plate are sequentially arranged between the first skin and the second skin. The flexible skin is matched with the multi-stage supporting plates to construct the wallboard assembly, a traditional all-steel corrugated structure is replaced, and the overall dead weight of the container is reduced.

The embodiment of the invention provides an electric meter box. The electric meter box comprises a locking structure, a box body and at least two clamping seats, a clamping channel is defined by the at least two clamping seats, the clamping channel is used for allowing a mounting carrier to penetrate through, each clamping seat can move in the direction close to or away from the center of the clamping channel, and at least one clamping seat is connected with a clamping seat; the locking structure is connected with the at least two clamping seats and used for limiting the clamping seats to be away from the center of the clamping channel. The box body is provided with a clamping channel, the lower side of the clamping channel is provided with an opening, and the opening allows the clamping base to penetrate. According to the scheme, the box body can be limited to move in the radial direction of the telegraph pole through the clamping base, meanwhile, the box body is not prone to being upwards disengaged from the clamping base under the action of the self weight, and therefore the box body can be rapidly installed on the telegraph pole, and the installation stability of the box body is guaranteed; meanwhile, only one worker is needed to complete installation in the installation process, no worker needs to be added to help hold the box body and then bind iron wires to fix the box body, operation is relatively convenient, and labor cost is reduced.

The cross-shaped pipe pulling device comprises a hydraulic device and a pipe pulling frame, the hydraulic device is used for providing pulling force, the pipe pulling frame is provided with four through holes or opening grooves used for detachably and fixedly installing a mold, and the center connecting lines of every two opposite through holes or opening grooves are distributed in a cross shape. By means of the distributed cross-shaped mold layout, compared with an existing barrel-shaped steel mold, the self weight of a single mold and the bonding force between the single mold and initial set concrete are obviously reduced, the needed pulling force is obviously reduced, and a smaller hydraulic device can be adopted for pulling; the probability that the mold cannot be pulled out or even is damaged due to the fact that the adhesive force between the mold and the node pile initial set concrete is too large in the pulling-out process is greatly reduced.

The utility model relates to the technical field of tablet presses, in particular to a tablet forming tablet press which comprises a working table, and a pressing mechanism is fixedly installed at one end of the working table. A pushing mechanism is arranged on the top surface of the workbench; the material pushing mechanism comprises a hollow column slidably mounted on the top face of the workbench, the top end and the bottom end of the hollow column are both of an open structure, the periphery of the hollow column is fixedly connected with a driving assembly arranged at the tail of the top face of the workbench, and a pushing plate in sliding contact with the top face of the workbench is fixedly mounted at the front position of the periphery of the material pushing mechanism. A limiting assembly is arranged in the hollow column, the limiting assembly comprises a pressing disc and a stirring assembly which are arranged in the hollow column, a feeding opening is formed in the pressing disc, and a cover body is arranged at the top end of the feeding opening; the powder is dynamically limited by the pressure plate, and is sealed by self weight, so that the inertia influence is effectively counteracted, the consistency of the density of the powder in the hollow column is ensured, and the fluctuation of the powder filling amount of the pressure hole is avoided.

The invention relates to the technical field of steel bars, and discloses an annealed steel bar conveying device and a method thereof.The annealed steel bar conveying device comprises two conveying chains, the two conveying chains are symmetrical, protective shells are arranged at the two ends of the two conveying chains correspondingly, a conveying assembly is arranged between the two conveying chains, and supporting frames are arranged at the bottoms of the two protective shells correspondingly; a fixing rod is further arranged above the two supporting frames. According to the steel bar conveying device, a steel bar is placed in a V-shaped notch formed in a mounting block, so that the steel bar can be matched with a mounting plate, and therefore, a turnover plate can be driven to realize longitudinal pressing through linkage of components such as a left push rod, a right push rod and a rotating rod, double positioning of the steel bar is achieved, conveying shaking and deviation are effectively avoided, and the conveying stability is guaranteed; and when the transmission chain drives the mounting block to move stably, the turnover plate automatically resets when the mounting block rotates circumferentially by means of the cooperation of the fixing rod and the placing rod at the tail end, the steel bars are unloaded according to the self weight, and the conveying process is smooth.

The utility model belongs to the technical field of aluminum rollers, and discloses an aluminum roller convenient to adjust gravity, which comprises a roller sleeve and an adjusting component mounted on the inner side of the roller sleeve, the adjusting component comprises a connecting cylinder fixedly inserted in the middle of the inner side of the roller sleeve, and two ends of the connecting cylinder are in threaded connection with adjusting rods. A blocking plate is integrally formed at the end, away from the roller sleeve, of the adjusting rod and abuts against the corresponding side of the roller sleeve, the side, close to the blocking plate, of the adjusting rod is sequentially sleeved with a plurality of first annular balancing weights and second annular balancing weights, and the first annular balancing weights are located between the second annular balancing weights and the blocking plate. The side wall of the adjusting rod is sleeved with a limiting ring, and the limiting ring abuts against the corresponding side of the second annular balancing weight. By means of the scheme, the problems that although the self weight of an existing aluminum roller can be adjusted, the adjusting mode is complex, and using is not convenient enough are solved.

The application relates to a method for detecting the water impermeability of a lap-jointed waterproof roll material joint, and is characterized by comprising the following steps: S1, sample pretreatment; and S2, sample detection. The application can not only eliminate the height difference of the roll material after lap joint, but also concentrate the pressure on the joint corresponding to the whole detection joint, while keeping the sample flat and the pressure on the lap joint uniform, preventing the lap joint from being depressed and collapsed due to the self weight, and accurately detecting the water impermeability of the waterproof roll material joint. On the other hand, the width of the detection joint can be adjusted, which not only meets the detection needs of different types of lap joint roll materials, but also can obtain the width corresponding to the limit water impermeability of the lap joint roll material by changing the size of the detection joint, so that the strength of the water impermeability of different roll materials and different lap joint widths can be determined.

The application provides a double-layer beam structure formwork device and a construction method thereof. The formwork device comprises a main support structure, an upper end U-shaped steel support connected to the top of the main support structure through screwing, a lower end U-shaped steel support connected to the bottom of the main support structure through insertion, the upper end U-shaped steel support being arranged on the longitudinal steel position of the bottom of the upper beam of the double-layer beam structure, the lower end U-shaped steel support being arranged on the longitudinal steel position of the top of the lower beam of the double-layer beam structure, and a reserved screw hole being arranged on the surface of the main support structure. A steel pipe is fixed after passing through the reserved screw hole on the main support structure and the formwork. The arching height of the upper beam body can be accurately controlled by adjusting the length of the main support structure screwed into the upper end U-shaped steel support. The application solves the problem that the middle part of the upper beam steel framework of the double-layer beam structure produces large deflection due to the self weight, thereby causing the formwork to be unable to be supported. The application also solves the problems of difficult formwork of the middle connecting piece of the double-layer beam structure, steel damage and decline of waterproof performance of the lower beam steel due to the welding of the vertical steel.

The utility model discloses a variable counterweight elevator based on a target floor group control system, which comprises a variable counterweight arranged in an elevator hoistway and a flaky cast iron control bin arranged at each flat floor position of the elevator, and the variable counterweight comprises a fixed counterweight and a variable counterweight part arranged at the top end of the fixed counterweight; the variable counterweight part comprises a flaky cast iron counterweight bin used for containing vertical flaky cast iron, and the weight of the fixed counterweight is the same as the weight of the lift car. Each flaky cast iron control bin comprises a flaky cast iron storage bin, a magnetic attraction butt joint mechanism, a movable sliding rail mechanism and a butt joint mechanism controller, and a plurality of pieces of vertical flaky cast iron are stored in the flaky cast iron storage bin; when the variable counterweight reaches the position of each flat layer, the flaky cast iron counterweight bin of the variable counterweight is located right in front of the flaky cast iron storage bin of the corresponding flaky cast iron control bin. According to the variable counterweight elevator, the mass of the counterweight can be changed, the counterweight and the mass of the lift car after people or objects are carried are balanced again, the energy consumption of the elevator is reduced, and the requirement for the driving force of a traction machine can be lowered.

The utility model relates to the technical field of household appliances, and discloses a mounting assembly for an air conditioner, and a mounting rod is fixedly mounted on a wall body. After the mounting hook is mounted on the mounting side wall of the air conditioner, the mounting groove of the mounting hook can be directly hung on the mounting rod through the mounting opening, so that the air conditioner is hung on the wall body. Through the arrangement, the mounting hook can be stably hung on the mounting rod by means of the self weight of the air conditioner, so that a user does not need to continuously support the air conditioner, and the user can mount the air conditioner more conveniently. Meanwhile, the utility model further discloses the air conditioner.

The utility model provides an integrated honeycomb type aluminum gusset plate which comprises a gusset plate body and a connecting assembly arranged on the periphery of the gusset plate body, and the connecting assembly comprises a first connecting set arranged in the length direction of the gusset plate body and a second connecting set arranged in the width direction of the gusset plate body. The buckle plate bodies can be connected in a buckled mode in the width direction of the buckle plate bodies by arranging the first connecting set, the buckle plate bodies can be connected in a buckled mode in the length direction of the buckle plate bodies by arranging the second connecting set, and in the construction process of the integrated ceiling, every two adjacent buckle plate bodies can be rapidly and detachably connected directly through cooperation of the buckle plates and the buckle grooves. And the splicing process is not limited by the assembly space, the splicing efficiency of the multiple buckle plate bodies can be effectively improved, the use experience of a user is improved, and the buckle plate has the advantages of being stable in structure, low in self weight, simple in structure and convenient to assemble, popularize and implement.