12results about How to "Avoid overturning" patented technology

The invention discloses a photovoltaic module support capable of being rapidly stored in a strong wind state, and relates to the technical field of photovoltaic modules, the photovoltaic module support comprises a base and a lifting unit arranged on the base; the mounting rack is arranged on the lifting unit, a photovoltaic cell panel is mounted at the top of the mounting rack, and the lifting unit is used for driving the mounting rack to move up and down; and the protection unit is arranged at one end of the mounting frame and is used for protecting the upper surface of the photovoltaic cell panel. Compared with the prior art, the device has the beneficial effects that through arrangement of the protection unit, the protection unit can protect the surface of the photovoltaic cell panel in strong wind weather, in addition, the lifting unit drives the mounting frame to move downwards, so that the photovoltaic cell panel moves downwards, and the situation that the photovoltaic cell panel is damaged when wind power is large is avoided. And the photovoltaic cell panel with a relatively high installation position is turned over.

The utility model discloses a pipe-jacking construction structure of a steel structure bidirectional pipe-jacking originating well, which comprises a concrete bottom plate arranged at the position of a well bottom, a well wall enclosure arranged at the position of a surrounding well wall, an in-well support arranged on the inner side of the well wall enclosure, and a counter-force frame arranged on the concrete bottom plate, the counter-force frame comprises two oppositely-arranged rear seat walls, the two rear seat walls are each provided with a jacking hole allowing the jacking pipe to penetrate through, the two rear seat walls are fixedly connected through supporting profile steel, and the space between the rear seat walls and the well wall fence is filled and reinforced through a compactly-filled retaining wall. The counter-force frame is constructed through the profile steel backseat wall and the supporting profile steel, hole reinforcement is conducted between the backseat wall on the two sides of the counter-force frame and the well wall fence through the rammed and filled retaining wall, the structure has the advantages of being high in construction efficiency, low in cost, short in construction period and capable of being turned over, posture adjustment can be conveniently achieved through the matching mode of the counter-force frame and the retaining wall, and the construction period is shortened. And the method has obvious advantages on angular bidirectional jacking operation.

This utility model belongs to the field of butterfly valves, specifically a triple-eccentric metal hard-to-hard seal butterfly valve, including a valve body, a valve seat fixed to the inner wall of the valve body; a valve cover provided on the valve seat; a valve stem that is rotatably connected through the valve body; a valve plate connected to the surface of the valve stem inside the valve body via a flat key; a flat keyway provided on the surface of the valve stem outside the valve body; by setting the sealing surface of the valve plate as an inclined disc structure, the friction between the valve plate and the valve seat can be reduced to the greatest extent, thereby achieving metal-to-metal sealing of the device, reducing friction between metals, and reducing the torque required for valve stem rotation. It can also be used to transport media such as liquids, gases, steam, pulp, powders, and particles. Finally, through the cooperation of the abutment plate and the baffle, the rotation angle of the valve plate can be forcibly limited to prevent over-rotation.

The utility model discloses a water area mudstone transportation device for channel improvement and dredging, which comprises a transport ship, a storage mechanism is arranged in the transport ship, one side of the transport ship is provided with a retractable assembly and a counterweight bag, and the counterweight bag is connected with one side of the transport ship through the retractable assembly; a water guide pipe with an electromagnetic valve is fixedly arranged at the bottom end of the balance weight bag, an air guide pipe is fixedly arranged at the top end of the balance weight bag, an air pump is fixedly arranged on the air guide pipe, and the air pump can drive air to enter the balance weight bag and can also pump out air in the balance weight bag; a guide plate is fixedly arranged at the bottom end of the balance weight bag, the density of the guide plate is larger than that of water, the water guide pipe is embedded in the middle of the guide plate, and the guide plate can be submerged into the water so that it can be guaranteed that the water guide pipe can be inserted into the water. The transport ship solves the problem that in the prior art, the center of gravity of the transport ship is prone to inclination and overturning is prone to occurring.

The utility model discloses a steel pipe retaining wall jacking device for soft soil tunnel collapse, which comprises a jacking counter-force frame, one side of the jacking counter-force frame is connected with two outward-extending supports which are symmetrically distributed, the jacking counter-force frame and the outward-extending supports are matched with a steel pipe righting support, and the steel pipe righting support is connected with the jacking counter-force frame. The steel pipe righting support, the pushing reaction frame and the outward-extending support are located on the same central axis, a steel pipe protection wall penetrates through the interior of the pushing reaction frame and is in lap joint with the top of the steel pipe righting support, and a thrust jack is further arranged on the top of the outward-extending support. The pushing counter-force support and the steel pipe righting support form a stable counter-force supporting system, the bottom of the pushing counter-force support is fixed to the ground, the waist of the pushing counter-force support is connected with the thrust jack in a bolted mode, the outwards-extending support of the pushing counter-force support further supports the thrust jack in the vertical direction, firm supporting counter-force is provided for steel pipe retaining wall jacking operation, and the supporting effect is good. The steel pipe righting support and the pushing counter-force support jointly bear the steel pipe protection wall with the steel plug pin, and multi-point vertical supporting is formed.

The fixing device comprises a pier body mechanism, an aeration mechanism erected in the pier body mechanism and a cleaning mechanism used in cooperation with the aeration mechanism, the pier body mechanism comprises an anchoring pier, pre-embedded steel plates are fixedly installed on the periphery of the top of the anchoring pier, and the top of the anchoring pier is provided with a water inlet and a water outlet. A steel frame is fixedly installed on the top of the embedded steel plate, and a top plate is fixedly installed on the top of the interior of the steel frame. According to the fixing device of the water-lifting aerator, by improving a traditional fixing mode of the water-lifting aerator and through cooperation of the bottom chain, the top chain and the steel frame, the water-lifting aerator can be suspended and pulled when the water level of a reservoir is lower than the water-lifting aerator, so that the situation that the water-lifting aerator turns over when the water level of the reservoir is lower than the height of the water-lifting aerator is avoided; the vertical state of the water-lifting aerator is kept, and the stability of the water-lifting aerator during operation in different water level states is improved through the device.

The utility model relates to the technical field of lifting appliances, and provides an assembly lifting appliance for an engine camshaft, which comprises a support and a clamping unit, the clamping unit comprises a fixed seat, a plurality of clamping jaws and an abutting block, and the support is used for being fixedly connected with hoisting equipment; the fixed seat is fixedly arranged on the bracket; the clamping jaw is rotationally arranged on the fixed seat; the abutting block is fixedly arranged at the end, close to the clamping jaws, of the fixing base, an abutting groove is formed in the side, away from the fixing base, of the abutting block, and when the multiple clamping jaws clamp the cam shaft, one end of the cam shaft is clamped in the abutting groove. According to the assembly lifting appliance, the abutting block is arranged, the abutting groove is formed in the abutting block, the camshaft can be abutted and fixed through clamping of the abutting block and the end of the camshaft, axial movement of the camshaft in the assembly process is avoided, and therefore the fixing firmness degree of the assembly lifting appliance is improved, and normal operation of the assembly lifting appliance is guaranteed.

This utility model relates to the field of card printing technology, specifically disclosing a printing drying device for paper card production. The device includes a drying box with a hollow structure, and further comprises drying fans, electric heating plates, drying rack assemblies, and a drive assembly. At least three drying fans are arranged evenly at intervals on the top of the drying box. At least three pairs of electric heating plates are provided, with each pair corresponding to both sides of a drying fan. Multiple drying rack assemblies are provided, each including a drying frame, a handle installed at the front end of the drying frame, and a support component installed within the drying frame. In this utility model, the upper and lower drying nets in the support component are arranged in layers. The upper drying net restricts the movement of the cards, minimizing the risk of card flipping and thus ensuring effective card drying.

The utility model belongs to metallurgical casting technical field discloses a molten iron ladle overturning and dumping device for molten iron production, including installation base and hydraulic cylinder, the top outer wall of installation base is opened with rectangular through slot, and the bottom four corners of installation base all are installed with foot brake universal wheel, the both ends of installation base top outer wall all are fixed with arc guide rail through bolt, and the inner wall sliding insertion of arc guide rail has guide wheel shaft, install fixed clamp seat between two guide wheel shafts, and the top outer wall welding of fixed clamp seat has bearing rectangular plate. The utility model through the cooperation of L type fixed frame, C type guide shell and adjusting plug, servo cylinder can drive arc sleeve shell flexible expansion, adapt to different diameter, volume's molten iron ladle, guide sliding slot and guide sliding block ensure that adjusting plug slides accurately, avoid deviation, pressure sensor real -time monitoring arc sleeve shell and the contact pressure of molten iron ladle, ensure that the fixed strength is moderate, cooperate with the mechanical self -lock of self -lock wedge and inclined surface wedge groove, prevent slack in operation.

The utility model relates to building construction technical field, concretely is a kind of building construction lifting device, including base, self-locking universal wheel, support frame and adjusting device, self-locking universal wheel is fixedly connected with the bottom surface of base, support frame is fixedly connected with the top surface of base, adjusting device is set on the surface of base, adjusting device includes double-shaft motor, double-shaft motor is fixedly installed on the surface of base, the output end of double-shaft motor is fixedly connected with winding wheel, the surface of winding wheel is provided with steel cable, the surface of support frame is fixedly connected with pulley, steel cable and the surface of pulley are slidably connected, one end of steel cable is fixedly connected with lifting plate by passing pulley, the surface of lifting plate is provided with T slot, T slot is slidably connected with T block on the surface.The utility model, by setting adjusting device, different sizes and shapes of material can be stably clamped, avoid lifting process material shake even fall and lead to safety accident, effectively improve the applicability of equipment for this.

The utility model discloses a fly trap support, which relates to the technical field of fly trap appliances, and comprises a support table top, a fly trap mounting component and a support leg component, the fly trap mounting component is arranged on the support table top, and the fly trap mounting component is used for mounting a fly trap; the supporting leg assembly comprises a supporting leg and a fixing clamp, one end of the supporting leg is fixedly connected with the supporting table top, the other end of the supporting leg is fixedly connected with the fixing clamp, and the supporting leg can be bent and deformed; the supporting table top can be supported in a fly catching area through the supporting leg assembly, or the supporting legs are bent and wound on an object in the fly catching area so as to fix the fly catcher, or the fixing clamps are clamped on the object in the fly catching area so as to fix the fly catcher. The fly catcher is convenient to fix, overturning and shifting of the fly catcher are prevented, the stability of the fly catcher is improved, the height of the support is adjustable so that the fly catcher can meet the use requirements of different heights, and the fly catching efficiency is improved.

An intelligent variable-pitch mechanism of a small offshore wind-driven unmanned ship belongs to the technical field of variable-pitch structures of unmanned ships and comprises a fan body and a control mechanism, the fan body comprises a transmission unit and a variable-pitch unit, and the transmission unit comprises a transmission gearbox, a coupler, a transmission outer shaft, a propeller hub shell and blades. The variable pitch unit comprises a rotating gear, a rack structure and a telescopic mechanism, the telescopic mechanism drives the rack structure to move, the rotating gear rotates to drive the blades to change the angle, the control mechanism comprises a sensor unit and a control module, the sensor unit is in signal connection with the control module through a wire, and the control module is configured to control the telescopic mechanism. According to the invention, the fan can automatically adjust the angle and the rotating speed of the blades according to the change of the wind speed and the sailing angle, so that the utilization efficiency of wind energy is improved. In addition, the wind turbine galloping phenomenon caused by too high sea surface wind speed is considered, and the attack angle of the blade can be adjusted to be 0 degree to protect the blade through the design of the variable-pitch mechanism.