35results about How to "Improve stability and safety performance" patented technology

The invention relates to the field of transfer equipment, in particular to a fragile plate fixable transfer device and an operation method thereof. The fragile plate fixable transfer device comprisesa base. A boss arranged in the length direction is fixed to the middle portion of the upper surface of the base in the width direction. The two side faces, parallel to the length direction of the base, of the boss are symmetrically and slidably connected with clamping groove seat. The two ends of the length direction of the boss are symmetrically provided with inward sunken U-shaped grooves. Lifting tubes are rotatably connected to the interiors of the U-shaped grooves of the two ends of the boss through fixed shafts. The upper end of each lifting tube is connected with an upper pressure headthrough an adjusting mechanism. The two ends of each clamping groove seat are connected with the corresponding lifting tube through linkage mechanisms. Screw rods I are rotatably connected to the positions, under the corresponding clamping groove seats, of the interior of the base through fixed shafts. The screw rods I are connected with the bottoms of the corresponding clamping groove seats through vibration reduction mechanisms. A transmission case is fixed to the base. The fragile plate fixable transfer device improves the stability and safety of fragile plates in the transfer process. Moreover, springs and coil springs achieve the damping and buffering effects. Thus, the fragile plate fixable transfer device protects the safety of the fragile plates better.

The invention discloses an anchoring split arch bridge type protection slope structure used for protecting and reinforcing a natural slope or an artificial slope and a method for constructing and paving the same. The split arch bridge type protection slope structure is pressed into the slope surface, the downslide force of the slope surface is counteracted by the counterforce of an arch frame, and the protection slope structure is fixed to the slope in the form of setting an anchor rod at the same time, so that the anti-skid force of the slope is increased, the geologic hazards such as slope instability, debris flow and the like caused by shallow slope weathering, creeping, gradual slope deformation or washing of rainwater to slope flow are avoided, and the stability and the safety of the slope are improved; the overall structure comprises three parts, namely an arch bridge-shaped supporting body with double lugs, a supporting seat and an expansion anchor rod; the advantages of anchor rod reinforcement and grille slope protection are combined; the protection slope structure can be paved on the surface of the seriously weathered exposed slope or the new excavated and filled artificial slope so as to protect the slope surface, increase the anti-skid safety coefficient, lower the risk of geologic hazard and improve the integrity and the durability of the protection slope at the same time; and the protection slope structure is simple to pave and mount, light in weight, easy and convenient to operate and high in efficiency.

The invention provides a construction machine head and a construction method for a drilling hydraulic enlarged mesh cage cast-in-place anchor body used for natural slope or artificial slope reinforcement. The wire mesh cage mounted on the drilling construction head can expand and support the nearby wire mesh cage through the hydraulic jacking heads on the four sides of the construction head when it is lifted on the drill bit after drilling into the slope surface to the set depth. Therefore, the anchoring area and reinforcement area of ​​the anchoring body can be greatly increased, the anti-sliding force of the slope is enhanced, and the slope instability caused by the reduction of the internal shear strength of the slope or the destruction of the stress balance of the slope due to the influence of external forces is avoided. , Debris flow and other geological disasters have improved the stability and safety of the slope. The invention integrates drilling, grouting, laying wire mesh cages and expanding mesh cages, and can be applied to natural soil slopes or newly excavated and filled artificial slopes to improve the anti-sliding safety factor and reduce geological disasters risk. The construction method is simple, the operation is convenient and the efficiency is high.

The invention provides a heavy-duty truck engine oil intelligent maintenance system, which is characterized in that it includes a user's vehicle terminal, a vehicle network communication terminal, a user mobile phone terminal, and a commercial vehicle network platform; the vehicle network communication terminal is set in the user's vehicle terminal for Get the actual vehicle data and feed it back to the commercial vehicle networking platform; the commercial vehicle networking platform calculates the corresponding engine oil maintenance requirements based on the actual vehicle data and sends the engine oil maintenance requirements to the user's mobile phone terminal; the user's mobile terminal is used to display the engine oil maintenance requirements . The purpose of the present invention is to address the defects of the prior art, to provide an intelligent maintenance system for engine oil of heavy-duty trucks, to suggest the user to carry out oil replacement and maintenance in a planned way according to the actual working conditions of the user, and to save the user's time cost and maintenance to the greatest extent maintenance costs.

The invention relates to an aperiodic task scheduling method based on SmartOSEK OS. The method is characterized in that: in a multitask single CPU system based on superiority scheduling, a Sporadic Server is utilized to schedule aperiodic task, and the Sporadic Server and a scheduling algorithm based on superiority form the scheduling system in the current SmartOSEK OS. In the scheduling method of the invention, in a multitask single CPU system based on superiority scheduling, the Sporadic Sever is utilized to schedule aperiodic task, thus ensuring the task to be schedulable and in real time and improving the real-time and stabilization safety of scheduling performance.

The invention provides a horizontal anchorage structure and a construction method of a suspension bridge. The horizontal anchorage structure includes a construction hole excavated from the back side of the mountain in the bridge position area of ​​the suspension bridge, a rear anchor chamber, an anchor plug body chamber and a front anchor chamber formed by horizontal construction from the construction hole to the side of the suspension bridge. Construct the main cable tunnel to the side of the suspension bridge, pour reinforced concrete in the anchor plug body chamber to form the anchor plug body, install loose cable saddles in the front anchor room, and install cable-turning saddles in the main cable tunnel. The saddle turns horizontally and passes through the main cable flat hole to the scatter cable saddle. The main cable is dispersed into strands through the scatter cable saddle and then connected with the anchor cable anchored on the anchor plug body. Compared with inclined tunnel anchors and composite anchors, the present invention expands the bearing range of rock mass, has high anchor bearing capacity, can avoid the mutual adverse influence of anchor and tunnel, improves the stability and safety of anchor, reduces construction difficulty, and reduces engineering investment , easy operation and maintenance.

The invention relates to an energy-saving rechargeable cruiser for residential property. The cruiser comprises a vehicle underframe made of carbon fiber material, a vehicle shell and a vehicle handle;tires with wheel hub motors are arranged on both sides of the rear end of the vehicle underframe, and a steering wheel is arranged on the lower side of the front end of the vehicle underframe; the vehicle shell comprises a storage box, a battery box and a buffer box, fire extinguishers are arranged in the vehicle rear shell, and a cover plate is hinged to the upper end of the storage box; partition plates, lithium batteries and a power adapter are arranged in the battery box; a controller is arranged in the buffer box, and a reduction gearbox is arranged on the right side of the controller; aclamping plate is arranged in the middle of the top end of the vehicle handle, and a control mechanism is arranged on the right side of the clamping plate; the control mechanism comprises a sliding ring and an L-shaped oscillating rod, a fingerprint unlocking device and an electromagnetic lock are arranged on the sliding ring, and a first contact and a second contact are arranged on the lower side of the fingerprint unlocking device. The energy-saving rechargeable cruiser for the residential property has the advantages of being portable, safe, convenient, energy-saving, convenient to manage and high in practicability.

The invention discloses a vibration state control device and a vibration state control method thereof. The device comprises a digital processor, an isolator, a digital controller, a vibration driver, a vibration device, an acceleration sensor and a human-machine interface; the digital processor transmits a vibration control signal to the digital controller; the digital controller generates a drive signal and phase information thereof, and transmits the drive signal to the vibration driver; the vibration driver drives the vibration device to vibrate; the isolator is used for isolating strong and weak electricity of the digital processor and the digital controller; the acceleration sensor acquires an acceleration signal of the vibration device and inputs the acceleration signal to the digital processor; the digital controller transmits the phase information of the drive signal to the digital processor in a phase synchronous signal form; the digital processor performs phase discrimination on the two paths of input signals to obtain the vibration state of the vibration device; and when the working point of the vibration device is at the position of a resonance curve, the digital processor adjusts the vibration state and the working point of the vibration device. The device and the method have the advantage of efficiently and quickly controlling the vibration state.

The invention discloses a shock absorption panel fabricated reinforced earth retaining wall and a construction method thereof. The shock absorption panel fabricated reinforced earth retaining wall comprises a retaining wall body and a filling body behind the wall; the retaining wall body is arranged at the front end of a side slope, and the filling body behind the wall is arranged between the retaining wall body and the side slope; and the retaining wall body comprises a fabricated foundation layer, a bottom panel layer, a hard supporting layer, a lower transition panel layer, a shock absorption energy dissipation layer, an upper transition panel layer and a cover top panel layer which are sequentially arranged from bottom to top. The filling body behind the wall includes an inverted filter layer, a geosynthetic material, a geosynthetic filling material in a reinforcement area and filling earth in a non-reinforcement area. The shock absorption panel fabricated reinforced earth retaining wall is formed by assembling a plurality of panels and fabricated foundations, and is connected and fixed by adopting reserved grooves and bulges and a non-horizontal structure, shock absorption energy dissipation panels are applied, on the one hand, damages such as panel falling off and rib material pulling out of the reinforced earth retaining wall under an earthquake condition can be avoided,and the stability and safety of the reinforced earth retaining wall under the earthquake condition are improved; and on the other hand, the operation process in construction is greatly simplified, the construction period is effectively shortened, and the economic benefits are remarkably improved.