50results about How to "Prevent tilting and collapsing" patented technology

The invention discloses a petrochemical engineering pipe installing and hoisting device which comprises a supporting frame and a transverse rod. A rotating shaft is arranged on the transverse rod and provided with a second driving device and a rotating block, a lazy arm is arranged on the rotating block and provided with a first driving device and a third driving device, a suspender is arranged at the bottom of the first driving device, a first clamp and a second clamp are arranged at the bottom of the suspender, and protruding edges are further arranged at the bottom ends of the first clamp and the second clamp and provided with bolts; movable rods are arranged on the side walls of the first clamp and the second clamp, the two ends of each movable rod are provided with a handle and a clamping block correspondingly, the supporting frame is provided with a controller and a circular cone pre-buried head, and the controller is connected with the first driving device, the second driving device and the third driving device. When the petrochemical engineering pipe installing and hoisting device is used for hoisting a petroleum pipe, left-and-right swing of the petroleum pipe can be avoided, the petroleum pipe can be conveyed to the installation position accurately, and the petrochemical engineering pipe installing and hoisting device can be used on an uneven road section.

The invention relates to an anti-static communication tower for mobile Internet 5G communication. The anti-static communication tower for the mobile Internet 5G communication comprises bonding piecesand a mounting block, a fixing base is mounted on the upper portion of the bonding pieces, and first fixing screws are arranged on the inner side of the fixing base. Second fixing screws are disposedon the right side of the first fixing screws, telescopic blocks are mounted on the left side of a mounting block, and the mounting block is located above the fixing base. A top block is fixed to the upper portion of the mounting block, and a limit block is mounted on the left side of the top block. The anti-static communication tower for the mobile Internet 5G communication has the beneficial effects that through installation of a tower body, an anti-static layer, jacks, a sleeve block and a warning light, the anti-static layer can prevent the anti-static communication tower from being interfered by static electricity after being mounted, even if a static interference source device exists around the anti-static communication tower, signals can also be transmitted completely, the working efficiency of the anti-static communication tower is enhanced, and through arrangement of the jacks, climbing of a maintenance worker is facilitated and is more convenient, the maintenance time of the maintenance worker is saved, and the warning light can automatically flash at night.

The invention provides a multifunctional movable retaining wall test device comprising a model box and a movable retaining wall. Displacement control screw mechanisms are arranged on the upper and lower parts of the front end of a model box frame. At least one row of auxiliary bearing screw mechanisms is arranged in the middle of the front end of the model box frame. Bearing seats are arranged in a pitch rotation way at positions of the movable retaining wall corresponding to through holes. A bearing used for inserting and fixing a corresponding displacement control screw is arranged inside each bearing seat. Grooves used for being in movable insertion fit with auxiliary bearing screws are arranged at positions of the movable retaining wall corresponding to auxiliary bearing nuts. According to the multifunctional movable retaining wall test device of the invention, through multi-stage alternate fine adjustment, namely, adjusting the auxiliary bearing screws first and then adjusting the displacement control screws and repeating the steps, test of different displacements and displacement modes needed is realized. The multifunctional movable retaining wall test device can realize active and passive earth pressure test, and has the advantages of simple structure, low cost, multiple functions, and good use effect.

The invention discloses a pipe rack convenient to transport for civil engineering, comprising a bottom plate. The upper end of the bottom plate is fixedly connected with a base, a fixed plate is installed at the upper end of the base, and a rack is correspondingly mounted at the upper end of the base on two sides of the fixed plate. The invention improves the traditional pipe rack, so that the angle of the rack can be tilted, and pipes can be better protected by the rack; the bottom plate of the rack can be monitored at any time through a pressure sensor and an electronic level, if a gravity difference between two sides of the bottom plate is found to be larger or the bottom plate is inclined, an alarm can be sent out in time to remind staff to adjust the rack; it can be transported by using a storage pulley , and the stability of the rack cannot be affected. According to the design, the structure is novel, the operation is simple and rapid, the stability of the pipe rack is improved,and transportation is facilitated.

A counterweight hanging device disclosed by the present invention comprises a counterweight set comprising a plurality of counterweights, a hanging rod and a connecting rod, wherein the middle part of each counterweight is equipped with an axial chamber, an upper circular truncated cone chamber is arranged at the upper part of the axial chamber of the uppermost counterweight, and the lower circular truncated cone chambers are arranged at the lower parts of the axial chambers of the counterweights; the bottom of the hanging rod penetrates the axial chamber of the uppermost counterweight movably, and the bottom of the hanging rod is equipped with a hanging rod circular truncated cone limiting member; the top of the connecting rod is equipped with a connecting rod circular truncated cone limiting member and penetrates the lower circular truncated cone chamber of the upper counterweight movably, and the bottom of the connecting rod is arranged in the axial chamber of the lower counterweight. According to the present invention, the bottom of the above hanging rod is equipped with the hanging rod circular truncated cone limiting member, the top of the connecting rod is equipped with the connecting rod circular truncated cone limiting member, and when the counterweights are loaded, the hanging rod circular truncated cone limiting member can align at the axis of the counterweight set automatically, thereby being convenient to detect. The connecting rod circular truncated cone limiting member can prevent the connecting rod circular truncated cone limiting member and the axial chambers of the counterweights from impacting to influence the detection precision.

The invention discloses an anti-seismic system for a building. The anti-seismic system comprises a foundation adjusting structure, a wall body adjusting structure, a balance sensor and a central controller. The foundation adjusting structure comprises a foundation body located in a foundation pit, anti-seismic balls evenly laid between the foundation body and the foundation pit, telescopic rods evenly fixedly arranged in the foundation body in the radial direction of the foundation body and clamping grooves in the surface of the foundation pit. The foundation body is a segment with the upwardbottom face, and the telescopic rods and the clamping grooves cooperate to fix the foundation body. The wall body adjusting structure is arranged in a wall body of a cylindrical structure on the top of the building, comprises a water storage area, an upper water level adjusting pipe, a lower water level adjusting pipe and a pumper, and is used for enabling the building to be kept vertical throughwater level leveling. The balance sensor is used for monitoring the inclination direction and the inclination angle of the building in real time. The central controller is used for receiving and processing real-time monitored data of the balance sensor and controlling the working states of all the structures. The water level leveling technology is adopted, the building is effectively protected inan earthquake, the building is kept in a vertical state all the time, and the building is prevented from tilting and collapsing.

The invention discloses an electronic engineering information irregular creative display stand, and relates to the technical field of creative display stands. The electronic engineering information irregular creative display stand comprises supporting blocks and a bottom plate. Supporting rods are fixed above the supporting blocks. Transverse shafts are arranged on the inner sides of the supporting rods. Stopping blocks are arranged on the left sides of the transverse shafts. The electronic engineering information irregular creative display stand is internally provided with a sleeve block, a connecting plate, an ejecting rod, springs, straight rods, mounting holes, binding blocks, fixing screws, telescopic blocks and displaying panels. A user can adopt the sleeve block to arrange the ejecting rod into the device in a sleeving mode. Balls are arranged in the sleeve block. The balls can rotate the ejecting rod, and therefore multi-angle and multi-directional displaying to the user is well conducted. External vibration can be effectively filtered by elasticity of the springs when transferred into the device, and therefore damage to inner accessories in the device and caused by vibration is prevented, and the service life of the device is effectively prolonged. The user can pull the telescopic blocks to stretch the displaying panels, and therefore displaying by the displaying panels can be more intuitive and convenient.

The invention discloses a stacking and conveying device for coal gangue hollow bricks. The stacking and conveying device comprises a carrying vehicle; a steering column is rotationally installed in the middle of the left end of the carrying vehicle; a bearing plate is fixedly installed at the top of the steering column; the outer side of the bearing plate is sleeved with a support; an air cylinder is fixedly installed at the bottom of the support; a carrying device is fixedly installed at the telescopic end of the air cylinder; the carrying device comprises a connecting block; the connecting block is fixedly installed at the telescopic end of the air cylinder; an installing platform is fixedly installed at the bottom of the connecting block; an adjusting block is fixedly installed at the bottom of the installing platform; a cavity is formed in the adjusting block; a guide groove is formed in the bottom of the adjusting block; a two-way screw is rotationally installed in the adjusting block; and hoisting plates are in threaded connection with the two ends of the two-way screw. The invention relates to the technical field of manufacturing equipment for the coal gangue hollow bricks. The stacked coal gangue hollow bricks have the relatively-high stability during conveying, and the bricks are prevented from inclining and collapsing due to bumpy road surfaces.

The invention provides a crop canopy assimilation box which comprises a bottom box body, a middle connecting box body and a top cover. The middle connecting box body is composed of a plurality of middle connecting sub box bodies which are vertically assembled together, and any two adjacent middle connecting sub box bodies among the middle connecting sub box bodies are detachably connected. The bottom box body is fixed to a crop population to be measured. The middle connecting box body is detachably connected with the bottom box body. The top cover is detachably connected with the middle connecting box body. When the assimilation box is not used for measurement, the plants in the assimilation box grow naturally. When the assimilation box is used for measurement, with the increase of the growth height of the plants in the assimilation box, one or more middle connecting sub box bodies can be added gradually according to the growth height of the plants in the assimilation box, and the uppermost box body is covered with the cover. Therefore, the photosynthetic rate and transpiration rate of a plant population in different growth stages and at different growth heights can be measured bymeans of assembly.

The invention discloses cooling and leveling equipment. The equipment includes a rack, supporting legs are fixedly installed on the two sides of the rack, positioning and fixing assemblies are arranged at the bottom ends of the supporting legs, a machining table is fixedly installed at the top ends of the supporting legs, rotating supports are fixedly installed on the two sides of the top of the machining table in a transverse arrangement mode, and cooling rollers are rotatably installed between the rotating supports through a connecting shaft. A servo motor can be used for driving a main transmission wheel in a transmission box and a driven transmission wheel on one side of the machining table to rotate in real time, the transmission chain makes contact with one ends of the cooling rollers to drive the cooling rollers to rotate in real time in order to roll decorative paper conveyed on the machining table, and the decorative paper is cooled and leveled through the cooling rollers, sothe flatness of the decorative paper is guaranteed and is not warped.

The cooperative processing type AGV comprises a trolley body, a groove communicating with the bottom of the trolley body is formed in one side of the trolley body, a long cylinder base is rotationally arranged in the groove and can slide in the length direction of the groove, a first electric push rod is arranged on the side face of the long cylinder base, and a fixing plate is arranged at the telescopic end of the first electric push rod; two charging pieces are arranged at the end, away from the first electric push rod, of the fixing plate, and a strip-shaped hole is formed in the middle of the fixing plate. According to the cooperative processing type AGV trolley, contact connection can be carried out on cooperative processing trolleys, the cooperative effect between the trolleys can be improved, the trolley body with low electric quantity can be temporarily charged while connection is carried out, charging in a specific area is not needed, normal work of the trolley with low electric quantity is facilitated, and the cargo transportation effect is improved; and warning can be carried out when movement of the trolley is hindered, dangerous operation is avoided, the functions are diversified, and use is convenient.