43results about How to "Avoid severe damage" patented technology

The invention discloses a soil crushing machine used for agriculture. The soil crushing machine comprises fixed sleeve cylinders, soil crushing cutter bodies, a driving shaft, a crushing frame and a crushing roller body, wherein the crushing roller body is arranged on a roller shaft which is fixedly arranged on the driving shaft which is mounted on the crushing frame; one end of the driving shaftpenetrates out of the crushing frame and is connected with a belt wheel; the side walls of the crushing roller body are welded with a plurality of the fixed sleeve cylinders; the interior of each fixed sleeve cylinder is provided with a buffer groove; the interior of each buffer groove is provided with a spring; the outer side of each spring is connected with a fixture block; the outer end of eachfixture block is connected with a soil crushing cutter body; an upper beam plate is arranged on the crushing frame above the crushing roller body; and the central part of the upper end of the upper beam plate is welded with an assembling frame. According to the invention, when the soil crushing cutter bodies encounter a flint, the springs are compressed by separation generated by stress on the side surfaces of the soil crushing cutter bodies, so the soil crushing cutter bodies and the fixture blocks slidably shrink along the buffer grooves; serious damage to the soil crushing cutter bodies isavoided; the service life of the soil crushing cutter bodies is prolonged; the soil is avoided from splashing; and good crushing effect is exerted on the soil.

The invention discloses a method for constructing riverway ecological restoration vegetation, and relates to the technical field of environmental treatment. The method specifically comprises the following steps of S1, sampling of vegetation tree rings, S2, calculation of vegetation annual ring indexes, S3, calculation of a river water conversion ratio, S4, determination of a plant water use source, S5, implementation of an overflow experiment, and S6, based on field investigation results, selection of important values for characterizing the importance of a certain plant species in community succession. The method for constructing the riverway ecological restoration vegetation has the advantages that through overflowing of moderate surface water and water disturbance of groundwater depth fluctuation, the method is beneficial to the formation and maintenance of a plant community structure adapting to aridification in a desert riparian forest; based on the protection of an ecosystem and the efficient use of water resources, hydraulic distribution can compensate for the ecological water deficiency of plant communities to a certain degree, the rapid restoration of the degraded ecosystemof the desert riparian forest can be promoted, and a theoretical guidance is provided for the resistance of the ecosystem of the desert riparian forest to drought stress.

The invention provides a vehicle body. The vehicle body comprises two A pillars, a front anti-collision beam, two front longitudinal beams, a front wall panel, a front wall upper cross beam and a front wall lower vertical beam, wherein the front ends of the two front longitudinal beams are connected to the two ends of the front anti-collision beam respectively, and each front longitudinal beam isconnected with the A pillar on the same side through a plurality of force transfer channels; the rear ends of the two front longitudinal beams are connected to the front wall panel, the lower portionof the front wall panel is provided with a front wall panel middle channel, and the front wall panel is connected with the two A pillars; the front wall upper cross beam is arranged on the upper portion of the front wall panel; the upper end of the front wall lower vertical beam is connected to the front wall upper cross beam, and the lower end of the front wall lower vertical beam extends to thefront wall panel middle channel. By arranging the force transfer channels, stress can be efficiently and rapidly absorbed and decomposed, and collision force transferred to the rear part can be effectively dispersed; thus, the invasion amount of the front wall panel can be greatly reduced, serious damage to the vehicle body can be avoided, and sufficient living space in a passenger compartment canbe better guranateed.

The invention relates to a knife die used for cutting, in particular to a hot stamping knife die for two-component acoustic wool. The hot stamping knife die for the two-component acoustic wool comprises a wood template, a finishing blade, a metal heat-conductive plate, a metal base plate and a metal line, wherein the metal heat-conductive plate is directly connected with a heating device of a press; the upper end of the finishing blade is connected with the lower surface of the metal heat-conductive plate; the upper end of the metal line is also connected with the lower surface of the metal heat-conductive plate and the metal line adjoins the inner side of the finishing blade; the wood template is connected with the lower surface of the metal heat-conductive plate; the metal base plate is connected with the lower surface of the wood template; the wood template and the metal base plate are both provided with through grooves where the finishing blade and the metal line can penetrate, and the lower ends of the finishing blade and the metal line penetrate through the through grooves and extend out of the lower surface of the metal base plate; the metal heat-conductive plate, the wood template and the metal base plate are connected into a whole through a fixing device. The hot stamping knife die for the two-component acoustic wool has the advantages of being uniform in heating, high in strength, long in service life and the like.

The invention discloses a coal distribution device, which comprises a coal dropping straight pipe, a first coal dropping inclined pipe, a second coal dropping inclined pipe, a hydrostatic sealing air chamber, a sealing air nozzle, a coal distribution air chamber and a coal distribution opening, wherein the first coal dropping inclined pipe takes the shape of a circular truncated cone; the sealing air nozzle is integrally formed by a large cylindrical pipe, a circular truncated cone pipe and a small cylindrical pipe in sequence; the second coal dropping inclined pipe is integrally formed by a shrinkage section, a throat section and an expansion section; the coal distribution air chamber is composed of a cylinder body, a first eccentric ring end plate, a second eccentric ring end plate and a circular truncated cone-shaped coal distribution pipe; a coal distribution inlet is formed in the bottom of the cylinder body; coal distribution nozzles are distributed in the second eccentric ring end plate; the large cylindrical pipe is communicated with the air outlet end of the hydrostatic sealing air chamber; the first eccentric ring end plate is connected with the expansion section and the second eccentric ring end plate is connected with the coal distribution opening. By improving the coal distribution structure, the air pressure of the sealing air can be strengthened; the positive pressure of smoke from a hearth is counteracted by matching the air pressure of coal distribution air with that of the sealing air, so that the smoke is prevented from jumping backwards and the environmental-friendly effect is improved.

The invention discloses a movable autobus card swiping machine. The movable autobus card swiping machine comprises a supporting rod and a mounting seat, and further comprises an upright post, wherein the mounting seat is fixed to the supporting rod; a motor is arranged in the mounting seat; an output end of the motor is connected with a screw rod; a dovetail groove is formed in the mounting seat; a nut is fixed to the upright post, and matched with the screw rod; the card swiping machine is fixed to the top end of the upright post; a bulge matched with the dovetail groove is formed in the bottom end of the upright post; a roller is mounted on the bulge; two springs are also mounted in the dovetail groove; the two ends of the springs are connected with the groove wall of the dovetail groove and the outer wall on one side of the upright post respectively. The card swiping machine is fixed to the top end of the upright post, the output end of the motor is connected with the screw rod, and the screw rod is matched with the nut on the upright post, so that the upright post can move freely in the mounting seat in a horizontal direction; thus, a passenger getting on the autobus from the back door can swipe a card more conveniently, and the card swiping efficiency can be improved.

The invention discloses an air-energy water heater. The air-energy water heater comprises an evaporator, a drying tank, a heat exchange water tank and a transition water tank, wherein an isolation sealing plate is installed on the inner wall of the evaporator, and the evaporator is connected with the isolation sealing plate in a welding manner; an evaporation contact pipe is arranged at the middleof the evaporator, and a first filter plate is installed at the left side of the evaporator; the first filter plate is installed at the left side of the evaporator in an embedding manner; a filter screen is arranged in the first filter plate, and the first filter plate is fixedly connected with the filter screen; water absorption sponge is arranged in the drying tank, and the drying tank is located at the right side of the evaporator; a heat exchange pipe is installed in the heat exchange water tank, and the heat exchange water tank is located at the right side of a condensation water collection ball; and cutting plates are fixed to the upper side and the lower side of the back surface of the transition water tank, and the transition water tank is located below the right side of the heatexchange water tank. The air-energy water heater can be used in a cold environment, and is rapid in heating and stable in running.

The invention provides a vehicle body and a vehicle. The vehicle body comprises a front longitudinal beam, a front floor longitudinal beam, a threshold beam and a rear floor longitudinal beam, whereinthe front end of the front floor longitudinal beam is connected with the rear end of the front longitudinal beam and is structured in the form of a straight line; the front end of the threshold beamis connected with the rear end of the front longitudinal beam; the threshold beam and the front floor longitudinal beam are arranged in a non-parallel manner; and the rear floor longitudinal beam is correspondingly connected with the rear end of the front floor longitudinal beam and the rear end of the threshold beam so that the front floor longitudinal beam, the threshold beam and the rear floorlongitudinal beam form a force transmission closed-loop structure. By arranging the threshold beam and the straight line-shaped front floor longitudinal beam, the stress can be efficiently and rapidlyabsorbed and decomposed, and the collision force in the rear can be effectively dispersed and transmitted; and therefore, the intrusion of the front panel can be greatly reduced, the vehicle body canbe prevented from being seriously damaged, and sufficient survival space can be preferably guaranteed for a passenger compartment.

The invention relates to a robot anti-collision control system. The system comprises a driving device arranged on a robot, a storage battery for providing power for the driving device, a walking execution mechanism, an anti-collision steel beam, an emergency stop control device, an alarming device and a master control device. The anti-collision steel beam is of an annular strip structure formed by mutually connecting a plurality of parts through hinges. The anti-collision steel beam is arranged on the surface of the robot, and the emergency stop control device is arranged in the anti-collision steel beam. The master control device is connected with the driving device, the emergency stop control device and the alarming device. The master control device comprises a signal receiving and transmitting module which receives a robot stop signal and sends starting information to the alarming device. The system can well protect the robot, the robot can be prevented from being severely damaged when colliding with external objects, and the service life of the robot is prolonged.

The invention discloses a plasma chemical vapor deposition vacuum apparatus for the scale manufacture of photovoltaic modules, comprising a vacuum cavity body (10) and an electrode box (20). The vacuum cavity body (10) is a separable vacuum cavity body which comprises a main part (11) positioned in the middle section of the vacuum cavity body and separable parts (12 and 13) respectively positioned at two ends of the vacuum cavity body. The main part (11) and the separable parts (12, 13) at two ends of the vacuum cavity body can encloses an airtight vacuum cavity body and can be separated from each other for loading and unloading the deposition products, the electrode box (20) is arranged inside the main part (11) of the vacuum cavity body and keeps relative static to the main part (11) of the vacuum cavity body. By moving a part of the vacuum cavity body, the invention is free from the motion of the electrode box, thereby avoiding severe damages caused by frequent contact in loading and unloading of the electrode, and the reduction in the qualification rate of product caused by the unstable radio frequency glow due to the damage of the electrode. Besides, the vacuum apparatus has simple structure and lowers the manufacture cost.

The invention discloses a visual intercom access control system device based on a face recognition technology. The visual intercom access control system device comprises a fixing plate, a button, a display screen, a buzzer, a loudspeaker, a microphone, a camera and an illuminating lamp, wherein the fixing plate is fixed on a wall via a first bolt, clamping blocks are symmetrically welded on two sides of the back of the fixing plate, clamping slots mutually matched with the clamping blocks are formed in the wall, a support plate is welded with the bottom end of the fixing plate, an outer deviceframe is clamped on the support plate, the outer device frame and the fixing plate are fixed via a second bolt, the button is arranged on the right side of the front of the outer device frame, the display screen is arranged on the outer device frame on the left of the button, and the buzzer is arranged on the outer device frame under the display screen. According to the visual intercom access control system device based on the face recognition technology, the hidden danger that the outer device frame is seriously damaged due to dropping is avoided, while the stability of the device is improved, and the service life of the device is prolonged.

The invention discloses an anti-water-leakage planting plate device for light roof greening and soilless cultivation and relates to the technical field of planting plates for soilless cultivation. Thedevice specially comprises a main device body, a water locking mechanism, a water collection mechanism and a water stabilization mechanism are arranged in the main device body separately and arrayedin the horizontal direction of the main device body in sequence, and a water containing mechanism is arranged below the main device body; a baseplate is fixedly connected to the bottom of the water containing mechanism, a supporting mechanism is placed below the baseplate, and a planting mechanism is installed above the main device body; the supporting mechanism further comprises a pull rack, a three-folding movable rack and a connection rod, and a first press roller is arranged between the bottom face of the left side of the baseplate and the upper portion of the left end of the pulling rack.The supporting mechanism provides supporting for the whole anti-water-leakage planting plate device for light roof greening and soilless cultivation and is made of a rigid material, the strength is high, the flexibility is high, gaps are reserved among all the parts and are large, and the device is low in weigh and firm in performance.

The invention provides a pneumatic curtain wall structure and a layer and column type pneumatic curtain wall structure. The pneumatic curtain wall structure comprises a transverse bracket, pneumatic sheet connecting devices and a plurality of pneumatic sheets, wherein the pneumatic sheet connecting devices are arranged on the transverse bracket in parallel, limiting devices are arranged on the pneumatic sheet connecting devices, and each limiting device comprises a transverse limiting part which limits translation of the pneumatic sheet and a circumferential limiting part which limits swing ofthe pneumatic sheet. The pneumatic sheets are connected to the pneumatic sheet connecting devices through the limiting devices. The invention further provides the layer and column type pneumatic curtain wall structure which comprises the pneumatic curtain wall structure. At least one line and at least one row of tubular protective hoods are arranged, the tubular protective hoods are arranged on each line and each row, and the tubular protective hoods are arranged horizontally. Each tubular protective hood is provided with the pneumatic sheets. The pneumatic curtain wall structure and the layer and column type pneumatic curtain wall structure can solve the problem that steel wire ropes and fasteners for connecting the pneumatic sheets exposed to an outdoor environment of wind, rain and sunshine are severely damaged and short in service life.

The invention discloses a seedling transplanting paper box. The seedling transplanting paper box comprises a paper box main body and a soil inlet, wherein the soil inlet is formed in the upper end ofthe paper box main body; the paper box main body comprises a left box body and a right box body; both the left box body and the right box body are made of fan-shaped paper; connecting ends at the twosides of each of the left box body and the right box body are wavy; the connecting ends at the two sides of the left box body are separately connected to the connecting ends at the two sides of the right box body through tear strips; a base is fixedly connected to the paper box main body; and the bottom end of the base is in shape of a wavy bump. According to the seedling transplanting paper box disclosed by the invention, the paper box main body is formed by connecting the left box body and the right box body through the tear strips, and the tear strips can be pulled upwards from the bottom of the paper box main body while crop seedlings in the paper box main body need to take out, so that the two sides of each tear strip are separately separated from the left box body and the right box body, and therefore, the left box body is separated from the right box body, and the crop seedlings are taken out; and moreover, the paper box is small in damage, can be recycled, and avoids a phenomenon that the paper box is damaged severely after being pulled violently.

The invention discloses a high-temperature-resistant explosion-proof capacitor which comprises a shell, a sand layer and a mounting seat. A mounting frame is mounted on one side of the shell, the sand layer is arranged in the shell, a temperature sensor is mounted in the sand layer, the mounting seat is mounted at the bottom in the shell, a first conductor sheet is mounted at the top of the mounting seat, a second conductor sheet is mounted on the mounting seat on the inner side of the first conductor sheet, an insulating cover is mounted at the tops of the first conductor sheet and the second conductor sheet, a container is mounted at the top of the mounting seat on the inner side of the second conductor sheet, a wire is mounted in the container, and the end part of the wire penetrates through the shell and is provided with a resistor. According to the capacitor, the sand layer is installed in the shell, the buffer effect on explosion impact is large due to the fact that the sand layer is loose, and when the capacitor explodes accidentally, due to the fact that the sand layer is used for buffering, serious damage to an electric appliance caused by explosion is avoided, and the protection measures of the capacitor on explosion are effectively improved.