483 results about "Self weight" patented technology

The invention relates to the technical field of cables, and discloses a weather-proof high-strength tensile aerial insulated cable and a preparation method thereof.The weather-proof high-strength tensile aerial insulated cable comprises a cable conductor, a protection mechanism is arranged outside the cable conductor, a supporting mechanism is arranged inside the protection mechanism, and an outer sheath is connected to the outside of the protection mechanism through a cushioning mechanism; the exterior of the cable conductor is fixedly connected with a force bearing layer, the exterior of the force bearing layer is provided with a repairing layer, the exterior of the repairing layer is fixedly connected with a heat insulation fireproof layer, the cushioning mechanism comprises an elastic rubber layer, and the inner side of the elastic rubber layer is fixedly connected to the exterior of the heat insulation fireproof layer. According to the invention, through the hollow bionic structure with the diaphragm in the core tubular bearing layer, the self weight is greatly reduced, and excellent bending resistance and torsional rigidity are provided at the same time; when the bearing layer is accidentally impacted, the internal diaphragm can effectively prevent longitudinal spreading of microcracks like a firewall, and damage is limited locally.

The invention discloses a dry-method electrode film rolling compounding method and dry-method electrode film rolling equipment. The method comprises the following steps: leading out a current collector film from an unpowered unreeling shaft, forming a suspension arc by virtue of self weight, and penetrating through a first roller gap; synchronously unrolling the two dry-method electrode films in an unpowered manner, so that the two dry-method electrode films enter the first roller gap in a self-weight overhanging state and are attached to the two surfaces of the current collector film to form an initial complex; coating the outer side of the initial complex with an isolating membrane to obtain a to-be-heated complex, and enabling the to-be-heated complex to enter a second roller gap after the to-be-heated complex is overhung by self weight; the to-be-heated composite body is subjected to hot-pressing compounding through compounding rollers on the two sides of the second roller gap; and then stripping the isolating membrane and rolling the double-sided dry-method pole piece. According to the method, near-zero tension conveying is achieved through natural suspension, and by matching with isolation film wrapping and one-time double-face pressing of the hot-pressing roller, edge micro-cracking and whole belt breakage of the dry-method electrode film can be effectively avoided, and the interface density and the roll-to-roll production yield are improved.

The invention discloses a stress calculation method of a composite pull disc and a weaving method of the composite pull disc and an insulation rope section, belongs to the field of electric power tools, solves the problem that stress of the composite pull disc is difficult to assess, and adopts the technical scheme that the composite pull disc comprises a pull wire disc and a pull wire, one end of the pull wire is fixed on a tower, and the other end of the pull wire is fixed on the pull wire disc; the stay wire disc is installed on the ground and is used for the upward pulling force acting on the stay wire foundation, the calculated volume weight of soil, the included angle between the stay wire and the ground, the foundation upward pulling stability safety coefficient related to the soil resistance, the upward pulling stability safety coefficient related to the self-gravity of the foundation, the volume of anti-pulling soil in the depth, the upward pulling angle of the foundation and the self-gravity of the foundation. Wherein the upward pulling stability of the stay wire needs to be met. According to the invention, the stress evaluation of the composite pull disc is realized more conveniently.

The invention relates to the technical field of grouting construction equipment, in particular to a basement waterproof construction device which comprises a grouting machine body, a grouting pipe is connected to the grouting machine body, a beef tallow head is connected to one end of the grouting pipe, the basement waterproof construction device further comprises a grouting nail, the grouting nail is inserted into a wall, one end of the grouting nail is provided with a hinge head and a clamping groove, and the hinge head is connected with the clamping groove. A clamping jaw sleeve is axially, elastically and slidably arranged on the beef tallow head and used for clamping the clamping groove, a plurality of elastic clamping pieces in the beef tallow head clamp the hinged head, and by arranging a double-clamping structure that the elastic clamping pieces clamp the hinged head and the clamping jaw sleeve clamps the clamping groove, the grouting nail and the beef tallow head form two connecting points. Connection inclination caused by the dead weight of the grouting pipe is avoided, the connection strength is remarkably enhanced, meanwhile, the vibration influence of the grouting machine during working can be counteracted through the cooperation of double clamping and the buffering effect of the elastic piece, shaking or loosening of the connecting position is reduced, the grout leakage risk is reduced, and the sealing effect is guaranteed.

The invention relates to the technical field of precise positioning control, in particular to a two-degree-of-freedom large-stroke motion platform applied to wafer detection, which comprises a base platform and a load platform surface, the top surface of the base platform is provided with a linear motion platform and a rotary motion platform which are coaxially arranged, the linear motion platform is used for driving the load platform surface to do lifting motion, and the rotary motion platform is used for driving the load platform surface to do rotating motion. The rotary motion table is used for driving the linear motion table and the load table top to do circular motion, and the linear motion table comprises a linear actuator, an air floatation guide assembly, a first feedback device and a plate spring. The integrated design is adopted, the Z shaft and the Rz shaft are coaxially arranged and share the same air floatation guide assembly, the number of parts is effectively reduced, the axial space is compressed, the structure is more compact, the size of equipment is reduced, the self weight and the assembly difficulty are reduced, non-mechanical-friction guide is achieved, and the influence of friction on precision is avoided; besides, the plate springs distributed in a single layer achieve flexible decoupling through the axial and radial rigidity difference of the plate springs, motion crosstalk is restrained, and the dynamic response speed can be increased without a complex algorithm.

The invention provides a refrigerator, belongs to the technical field of household appliances, and aims to solve the technical problem that after a door body of a related refrigerator is opened under the action of external force, the door body is easy to continuously rotate by a larger angle when the external force is relieved. The refrigerator comprises a refrigerator body, a door body and a hinge, the hinge comprises a fixing base, a hinge arm, a transmission assembly and an elastic piece, the fixing base is connected to the refrigerator body, the hinge arm is connected to the door body, the transmission assembly is connected between the fixing base and the hinge arm, and the elastic piece is connected to one rod piece in the transmission assembly. The elastic piece is matched with the other rod piece in the transmission assembly in an abutting mode within at least part of angle range in the rotating process of the door body, so that elastic deformation is generated, and the damping effect on movement of the hinge is achieved. When the door body is opened to a certain door opening angle and external force applied to the door body is relieved, the damping effect from the elastic piece can buffer at least part of door opening force or door closing force, and then the continuous rotating angle of the door body under the influence of inertia, self weight or manufacturing deviation and the like can be reduced.

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 utility model relates to an auxiliary supporting device for a lead screw, which is arranged between a lathe bed workbench and a lathe bed base and comprises a first supporting seat and two second supporting seats connected to two sides of the first supporting seat. A pair of rollers is horizontally and rotatably arranged on the first supporting seat and is used for supporting the lead screw; a third supporting seat is arranged above the second supporting seat, and a bearing is longitudinally and rotatably arranged above the third supporting seat; a supporting rod is arranged below the second supporting seat, and the bottom end of the supporting rod is connected with a connecting block used for being connected with a bed body base. The supporting device is simple in structure, convenient and easy to install and adjust and low in manufacturing and maintenance cost, the lead screw can be effectively supported through the pair of idler wheels, it is ensured that the lead screw within the movement stroke range is stably supported, it is ensured that the lead screw does not droop or deform, downward bending deflection caused by the dead weight of the lead screw is reduced, vibration generated when the lead screw rotates is reduced, and the service life of the lead screw is prolonged. Therefore, the machining precision and the machining quality of the machine tool are 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 application discloses a kind of UHPC connection's double post-tensioning prefabricated prestressed concrete frame structure system, including prefabricated concrete upper column, prefabricated concrete lower column, double post-tensioning prefabricated prestressed concrete composite beam, UHPC node core area and composite slab.The upper longitudinal main reinforcement, lower longitudinal main reinforcement, ordinary steel and post-tensioning prestressed tendon are directly anchored in UHPC node core area.The structure system is not only convenient and fast in field construction, improves component installation efficiency, but also can greatly reduce the anchoring length of steel bar, greatly reduce the amount of stirrup in node core area, avoid crowded steel bar in node core area, and reduce the cross-sectional height of component, reduce self weight, improve component crack resistance and self-recovery performance, thereby improve the seismic performance of overall frame structure.Double post-tensioning design can be reasonably designed according to different span, different load, different seismic intensity and other requirements, reduce cost, meet the use requirements.

The utility model discloses water-resistant water-based paint filling equipment, belongs to the technical field of filling, and solves the problem that the filling speed is slow under the influence of self weight due to the fact that water-resistant water-based paint is thick. Comprising a material storage barrel, a connecting shell communicating with the bottom of the material storage barrel and a filling pipe communicating with the lower end of the connecting shell, the top face of the material storage barrel can be opened and closed, a vortex assembly for guiding fluid in a material storage tank to rotate is arranged on the top face of the material storage barrel, and an adjusting assembly for controlling on-off of the interior of the connecting shell is arranged in the connecting shell. The filling device further comprises a supporting table which is arranged in a lifting mode and located below the filling pipe. An operator pours blended water-resistant water paint into the storage barrel and seals the storage barrel, the motor is started to stir to form vortex, the air cylinder drives the valve element to move to enable the feeding cavity and the discharging cavity to be communicated, the flow speed is increased, the outlet pressure is reduced, the boundary layer is disrupted, the viscous resistance is reduced, filling is rapidly completed, and the hydraulic cylinder is matched with different container heights. And the filling efficiency is improved.

The utility model discloses a hoisting fixture for slope protection bricks, which comprises a hoisting ring, the hoisting ring is sleeved with two steel wire hoisting ropes, the other ends of the steel wire hoisting ropes are connected with fixed pull rings, lever fixture components are arranged below the fixed pull rings, and the fixed pull rings are arranged at the two ends of the lever fixture components. The lever clamp assembly is composed of two lever pieces, the two lever pieces are directly and movably connected through a bearing, a movable clamping plate assembly is installed at the tail ends of the lever pieces, and an isolation plate assembly is arranged in the middle of the lever clamp assembly. When the slope protection bricks are insisted in the lever piece, the isolation plate assembly arranged in the lever clamp assembly enables the slope protection bricks which are in face-to-face contact originally to be isolated, and only one side (the face in contact with the lever piece) of each slope protection brick originally can enjoy upward friction force. When the isolation plate assembly is placed, the other side of the slope protection brick can receive upward friction force, and the situation that the slope protection brick falls off due to the fact that the self weight is too large and friction force is not enough is avoided.

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 relates to the technical field of foundation pit supporting, in particular to a supporting structure for foundation pit excavation. The supporting structure for foundation pit excavation comprises steel sheet piles pressed into a foundation pit to be excavated in a static force mode, the steel sheet piles are supported and fixed through transversely-arranged I-shaped steel, the I-shaped steel is divided into transversely-arranged steel and longitudinally-arranged steel which are horizontally arranged and vertically arranged, the number of the transversely-arranged steel is two, and the number of the longitudinally-arranged steel is two. The longitudinal steel and the transverse steel are used for abutting against the inner walls of the steel sheet piles correspondingly, and the longitudinal steel abuts against the transverse steel; due to the fact that the I-shaped steel composed of the transversely-arranged steel and the longitudinally-arranged steel and used for supporting the steel sheet piles is designed for the supporting structure, long-term supporting operation of the foundation pit can be achieved through the I-shaped steel and the steel sheet piles, the self weight of the I-shaped steel can be reduced through the transversely-arranged steel and the longitudinally-arranged steel, and natural sedimentation of the supporting structure is slowed down; the problems that in the prior art, a temporary retaining wall is used as a foundation pit supporting structure, deformation, displacement and the like are prone to occurring in the face of long-term supporting engineering, and foundation pit safety is affected are solved.

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 flat die horizontal core-pulling machine which comprises a rack, a core-pulling trolley is arranged at one end of the rack in a sliding mode, a plurality of core pipes are fixedly installed on one side of the core-pulling trolley, a supporting assembly is fixedly installed at the end, away from the core-pulling trolley, of the rack, and a pressing assembly is arranged at the end, close to the supporting assembly, of the rack in a sliding mode. The core tube penetrates through the supporting assembly and the pressing assembly and is located between the supporting assembly and the pressing assembly, a movable plate is arranged on the core pulling trolley, a stop block is arranged on the side wall of the end, close to the pressing assembly, of the rack, and the stop block is matched with the movable plate; the movable plate is in contact with the stop block on the rack, the movable plate is pressed downwards, so that the movable plate drives the pressing assembly to apply pressing force to the end, close to the core pulling trolley, of the core pulling pipe, at the moment, the core pipe is regarded as a warping plate, the supporting assembly is converted into a fulcrum, and the pressing force of the pressing assembly enables the far end of the core pipe to receive supporting force to resist the self weight and guarantee that the core pipe is horizontal.

The application discloses a UHPC connected post-tensioned non-bonded co-tension prefabricated prestressed concrete frame structure system, which comprises a prefabricated concrete upper column, a prefabricated concrete lower column, a post-tensioned non-bonded co-tension prefabricated prestressed concrete composite beam, a UHPC node core area and a composite slab. The structure system is not only convenient and fast in on-site construction and improves the component installation efficiency, but also can greatly reduce the steel bar anchoring length, greatly reduce the amount of stirrups in the node core area, avoid the congestion of the steel bars in the node core area, reduce the component section height, reduce the self weight, improve the component crack resistance and self-recovery performance, thereby improving the seismic performance of the overall frame structure. The pre-tensioned prestressed steel bars can make the prefabricated beam less supported or free of support during construction, thereby reducing the construction cost, and the post-tensioned non-bonding can enhance the integrity of the frame, so that the structure has a certain self-resetting capacity and structural toughness in the earthquake, and the post-earthquake repair cost is reduced.

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 discloses a cuboid material clamping device which comprises a base, a driving mechanism, a first clamping mechanism and a second clamping mechanism, the first clamping mechanism comprises two first clamping parts arranged in parallel, and the second clamping mechanism comprises two second clamping parts arranged in parallel. The driving end of the driving mechanism is connected with the at least one first clamping part and the at least one second clamping part, and the driving mechanism is configured to drive the two first clamping parts to be close to each other in the first horizontal direction and drive the two second clamping parts to be close to each other in the second horizontal direction at the same time; the driving mechanism is further configured to drive the two first clamping parts to be away from each other in the first horizontal direction and drive the two second clamping parts to be away from each other in the second horizontal direction at the same time. According to the clamping device, the first clamping mechanism and the second clamping mechanism share one set of driving mechanism, so that the overall structure of the clamping device is simplified, the self weight of the clamping device is reduced, and then the clamping device is matched with a carrying mechanism to carry heavy materials.

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 utility model relates to a temporary clamping device for belt laying, which comprises a rack and is characterized in that a clamping mechanism is arranged on the rack and comprises a fixed beam, a movable beam and a driving mechanism, the fixed beam is arranged in the middle of the rack, and the fixed beam is fixedly connected with the rack; the movable beam is arranged above the fixed beam; the upper end of the driving mechanism is connected with the rack, the lower end of the driving mechanism is connected with the movable beam, and the driving mechanism is used for driving the movable beam to move up and down on the rack; the device is simple in structure, convenient to manufacture, easy to assemble and easy to operate, overcomes the defects that the distance is long and the self weight is large, and well solves the safety problem that in the belt laying construction operation of a belt conveyor with a slope, a belt is prone to slipping and sliding is caused. And the safety and the construction efficiency of the belt laying construction operation are improved.

The utility model discloses a wind power rotating stand heat treatment lifting device which comprises a central lifting shaft, a support sliding along the axis of the lifting shaft is assembled on the lifting shaft, three lifting clamp arms are evenly distributed on the periphery with the lifting shaft as the center, and the tops of the clamp arms are connected with the sliding support through bolts to form rotating connection. The lifting shaft is rotationally connected with one end of a connecting plate through a fixing support at the bottom and a bolt, the other end of the connecting plate is rotationally connected with the middle of the lifting clamp arm through a bolt, a supporting frame is welded to the lower portion of the sliding support and used for placing a workpiece, and an automatic opening and closing mechanism is installed between the sliding support and the lifting shaft. The mechanism can control the hanging clamp arm to be automatically opened and closed. According to the device disclosed by the utility model, the self weight of a workpiece is ingeniously utilized, and automatic locking of the hoisting device in the hoisting process is realized, so that the operation efficiency is improved, the hoisting safety is enhanced, and safe hoisting and quick taking and placing of the wind power rotating stand in the heat treatment process are realized.

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.