264results about How to "Prevent back" patented technology

Provided is a vehicle body bottom structure whereby collision load absorption performance during a narrow offset crash can be improved and retraction of the A-pillar can be minimized. A vehicle body bottom structure comprising a dashboard lower (62) for partitioning a vehicle interior (R) and a power installation interior (MR) and also for partitioning the vehicle interior (R) and a wheel house (WH), an A-pillar (7) erected at the vehicle-widthwise end of the dashboard lower (62), and a gusset (30) spanning between the dashboard lower (62) and the A-pillar (7); the gusset (30) being designed such that one end side is bonded to the dashboard lower (62) and grows farther from the dashboard lower (62) the nearer to the A-pillar (7), the other end side is bonded to the A-pillar (7), and a collapse space (S) having a substantially triangular shape in a plan view is formed in the portion enclosed by the dashboard lower (62), the A-pillar (7), and the gusset (30).

An apparatus to aid in the planting of pre-grown plants, flowers, and vegetables is provided that takes the shape of a garden tool with a "T" shaped handle atop a cylindrical pipe with an integral cutting edge approximately 4 inches in diameter. The cutting edge is simply placed on top of the soil where the hole is desired and pushed down while turning. The handle is then withdrawn along with a soil "plug" or cylinder. An ejection lever with associated linkage and plunger mechanisms then pushes the plug out of the invention, thus allowing the invention to quickly dig another hole.

The invention discloses a method for controlling the stepless adjustment of a water-source screw unit, which belongs to the technical field of air-conditioning refrigeration. The method is implemented by carrying out pulse control on a loading valve or an unloading valve according to the measurement on the temperature t of discharged water performed by using a NTC (negative temperature coefficient) temperature measuring head. The method comprises the following steps: (1) startup: a main compressor is started for providing a sustained pulse for the loading valve, so that the main compressor carries out rapid loading; (2) loading: a controller transmits a loading pulse to the loading valve so as to carry out system loading, and accumulates the loading time; (3) keeping: the compressor does not carry out loading and lightening actions; (4) lightening: the controller transmits a lightening pulse to the loading valve so as to carry out system lightening, and accumulates the lightening time; (5) stoping: the unloading electromagnetic valve is powered on so as to ensure the compressor completes a shut-down process; and (6) forced stopping: the main compressor and a sub-compressor are powered off and shut down. In the method disclosed by the invention, the stepless adjustment of the water-source screw unit is controlled based on pulse time, the temperature control is correct, the stepless adjustment is reliable and efficient, and the safe and stable operation of the unit is ensured.

An open top body of an off-highway haulage vehicle is described for severe hauling applications such as hauling of high density, abrasive material. The body has a floor divided into at least two sections with first and second sections angled at different inclinations. The second section extends to the rear edge of the floor and is at an angle of inclination greater than the first section. The opposing sidewalls of the body extend vertically from the floor are flared or taper along their length such that the body floor is wider at the rear of the body than it is at the front. The body includes a tailgate pivotally attached to the sidewalls for rotation between closed and opened positions in response to the bumping of the load by the body.

The invention provides a method collaboratively repairing soil heavy metal pollution by microorganisms, plants and biological carbon. The method specifically comprises: 1), adding a magnetotactic bacterium culture medium into heavy metal polluted soil, inoculating magnetotactic bacteria, and plowing; 2), irrigating the heavy metal polluted soil, and setting a magnetic field; 3), collecting the surface layer of the heavy metal polluted soil, and rinsing the collected heavy metal polluted soil with water; 4), planting grass family plants in the heavy metal polluted soil; 5), pulling out young ears; 6), removing the grass family plants; 7), after preparing a biological carbon mixture through processing the removed grass family plants, applying the biological carbon mixture into the heavy metal polluted soil in which the grass family plants are planted, uniformly mixing, and aging; and 8), cyclically repeating the above steps until the content of heavy metal in the soil reaches safety standards. The method is great in soil treatment effect, low in cost and high in practicability, and is safe and reliable.

The invention relates to a semiconductor laser processing machine with a light-feedback-proof device. The semiconductor laser processing machine comprises two semiconductor laser stack arrays, wherein the two semiconductor laser stack arrays are in parallel arrangement in the same direction and have two different wavelengths and the same polarization state, the two semiconductor laser stack arrays respectively send out P or S polarization state laser beams with the wavelengths being Lambda 1 and Lambda 2, a reflecting prism in arrangement of forming a 45-degree angle with a light path is arranged in front of one semiconductor laser stack array, and a wavelength beam gathering prism and a polarization beam splitting prism in arrangement of forming a 45-degree angle with the light path and a quarter wave plate and a focusing lens in arrangement vertical to the light path are respectively and sequentially arranged in front of the other semiconductor laser stack array. The semiconductor laser processing machine with the light-feedback-proof device has the advantages that the quarter wave plate is combined with the polarization beam splitting prism at the inside, reflecting light on the surface of workpieces during the high-power laser processing can be effectively prevented from returning to the inside of a cavity of the semiconductor laser, the damage to the inside of the laser and the cavity surface film is reduced, and further, the service life of the laser is improved.

The invention discloses a live pig slaughtering equipment. The live pig slaughtering equipment comprises a shock device, a conveying device and a controller, wherein a slaughtering device and a blood-taking device are arranged between the shock device and the conveying device; the shock device and the slaughtering device are connected by an oblique conveying belt; the slaughtering device comprisesa clamping lever, a stabbing knife, a pig pushing plate and a support frame II; the pig pushing plate is positioned at the front end of the support frame II; a pushing air cylinder is arranged at thefront end of the pig pushing plate; a blood collecting tank I is arranged at the right side of the support frame II; the blood collecting tank I is obliquely arranged from the front to the back; an outlet is formed at the back end of the blood collecting tank I; the blood-taking device comprises a conveying belt II arranged obliquely from the left to the right and a blood collecting tank II arranged on the right side of the conveying belt II; and a plurality of filter screens are vertically arranged at equal intervals in the blood collecting tank I and the blood collecting tank II. The live pig slaughtering equipment provided by the invention has simple structure, less participation of personnel and automatic stabbing operation.

The invention discloses a pneumatic connection rod type rotary cutting mould which comprises an upper mould and a lower mould, wherein the upper mould comprises an upper mould seat, a convex mould fixing plate, a discharge plate and a pressure plate; a nitrogen spring is arranged in the upper mould seat; a rotary cutting concave mould and a guide pin are arranged in the pressure plate; the lower mould comprises a lower mould plate, a lower base plate and a lower mould seat; a rotary cutting convex mould is arranged in the limit grooves arranged on the upper surface of the lower base plate and the lower end surface of the lower mould plate, and corresponds to the rotary cutting concave mould; the lower part of the rotary cutting convex mould is also provided with a rotary cutting convex mould resetting mechanism; in the convex mould fixing plate, a front driving block, a rear driving block, a left driving block and a right driving block of the rotary cutting convex mould are also arranged in the front, rear, left and right directions of the mould; the four driving blocks cooperate with the outer side of the rotary cutting convex mould; and a pneumatic connection rod mechanism is arranged in a limit groove formed by the upper surface of the pressure plate and the lower end surface of the discharge plate. The pneumatic connection rod type rotary cutting mould disclosed by the invention not only can guarantee the product precision and improve the production efficiency, but also finish all processes in a set of progressive mould, thereby greatly saving the cost and improving the market competitiveness.

Disclosed is a support structure for a vehicle control pedal, which comprises a pedal bracket (3) supporting the control pedal (4) through a first support shaft (S1) inserted through a support hole (303), a swingable lever (7) adapted to, during a vehicle collision, come into interference with a vehicle body member (6) so as to be swingingly moved about a second support shaft (S2) while pushing the first support shaft (S1) downwardly to allow the first support shaft (S1) to drop out of the support hole (303), and a drop-out restriction member (8) engaged by a pin member (20) and coupled to the swingable lever (7) in a relatively unswingable manner, so as to restrict the drop-out of the first support shaft (S1). The support structure is designed such that, according to the swing movement of the swingable lever (7) during the vehicle collision, the restriction on drop-out of the first support shaft (S1) by the drop-out restriction member (8) is removed to allow the first support shaft (S1) to drop out of the support hole (303). The support structure of the present invention can prevent impact energy during a vehicle collision from being input to a leg of a driver through the control pedal while reliably restricting accidental drop-out of the control pedal in a normal condition.

The invention relates to a tool which is used for dismounting a plum blossom contact for switching in a high voltage electrical product, comprising a retaining base, top plates and an adjusting rod; the retaining base is provided with a centre hole, the adjusting rod penetrates through the centre hole and is extended out of the retaining base and is movably arranged with the retaining base, a plurality of the top plates are circumferentially and movably arranged on the end surface of the retaining base by taking the adjusting rod as the axle to form a top plate group, an elastic reset device is circumferentially arranged on the top plate group, an inclined surface is arranged at one side of top plate, which is toward to the axle, the inclined surfaces on a plurality of top plates which form the top plate group circumferentially form a cone-shaped adjusting cavity, the end part of the adjusting rod is arranged in the cone-shaped adjusting cavity, and the diameter of the end part of the adjusting rod is more than the diameter of the top part of the cone-shaped adjusting cavity. The tool has the advantages that: the plum blossom contact is dismounted conveniently and quickly, the plum blossom contact can be effectively protected from not being damaged, the passing percent of the product is increased, the manufacturing efficiency is increased and the potential safety hazard is eliminated.

The invention provides a strengthening method and a strengthening composition for lithium-containing white ceramic glass. The method includes treating the lithium-containing white ceramic glass by using molten salt consisting of NaNO3. The method further includes adding an additive comprising sodium carbonate and a special adsorbent, wherein the special adsorbent is one or more selected from metasilicic acid, diatomite and alumina, and the dosage of the additive is 100: 0.5-4: 0.1-1 in the weight ratio of the molten salt, sodium carbonate and the special adsorbent. According to the method, lithium ions in molten salt are bound by adding sodium carbonate, so that lithium ions are prevented from returning to white ceramic glass; and in the method, impurities in sodium nitrate molten salt arewrapped and deposited on the bottom of a strengthening furnace by the special adsorbent, so that the service life of the molten salt is greatly prolonged. The method is successfully introduced into mass production, the production efficiency of white ceramic glass strengthening is greatly improved, and the production cost is greatly reduced.

The present invention provides an open-topped flood-prevention sump well extension. A cylindrical wall placed around a sump pit extends above the floor level to the proximity of a sewer or septic drain. A connecting pipe automatically drains the overflow attendant to a malfunctioning or overloaded sump pump to the sewer or septic system. A means for preventing backflow of sewer discharge is provided by a one-way valve or a plumbing trap. An alarm system is provided for signaling rising water level.

The invention discloses a marinating unit, comprising a marinating machine and a marinating machine matching system, wherein the marinating machine comprises a marinating box and a conveying mechanism; the marinating box is arranged on a frame; the conveying mechanism is arranged inside the marinating box; one end of the marinating box is also connected with a halogen soup collection tank; the conveying mechanism comprises a marinating section, a lifting section, a spraying section and an air cooling section; the marinating section is arranged inside the marinating box; the lifting section is connected with the marinating section and extends outside the marinating box upwards; the spraying section is connected with the lifting section; the air cooling section is connected with the spraying section; a sprinkler is arranged on the spraying section; an air cooling device is arranged on the air cooling section; the halogen soup collection tank is arranged below the spraying section and the air cooling section; the marinating machine matching system comprises a heating device, a spice cooking device, a burdening device and a control system. The marinating unit disclosed by the invention can carry out spraying, air-cooling and halogen soup collection on the product from the marinating box, and simultaneously can ensure that the halogen soup in the marinating machine is in an ideal use state, so that the product is stable in quality.

An electronic device with a locking structure for a battery module comprises a body and a battery module, wherein the body is provided with a battery slot and a clipping component, the clipping component is used for locking the battery module in the battery slot and fixing the battery module at an electric connection position, when the clipping component moves from a locking position to a release position, a first stopper and a fourth stopper of the clipping component respectively push against a second stopper and a third stopper of the battery module, thereby pushing the battery module away from the electric connection position, when the clipping component is not located at the locking position, the first stopper and the second stopper block each other while the third stopper and the fourth stopper block each other, thereby preventing the battery module from returning to the electric connection position and further guaranteeing unlocking action to be correctly finished.

The invention discloses a remediation method for heavy metal polluted soil. The method comprises the following steps: (1) adding a magnetotactic bacteria liquid culture medium to the heavy metal polluted soil; inoculating magnetotactic bacteria; and turning over; (2) adding the magnetotactic bacteria liquid culture medium to the heavy metal polluted soil; and arranging a magnetic field; (3) collecting the surface layer of the heavy metal polluted soil; (4) showering the collected heavy metal polluted soil; (5) spreading a soil conditioning agent on the surface of the heavy metal polluted soil;(6) planting heavy metal hyperaccumulators in the heavy metal polluted soil; (7) spraying a heavy metal blocking agent after the hyperaccumulator seeds are formed; and (8) cycling the steps (1) to (7) twice or three times. The method has the advantages of being low in planting difficulty, easy to manage, applicable to remediating of wide-range polluted soil, small in environmental disturbance, and good in soil treatment effect; and moreover, the environment is beautified while the polluted soil is treated; and the popularization is high.

The invention provides a method for restoring soil polluted by heavy metal through a combination of magnetotactic bacteria and plants. The magnetotactic bacteria and the soil polluted by the heavy metal are mixed and irrigated, and magnetic fields are arranged on the soil polluted by the heavy metal to collect heavy metal polluted soil containing the magnetotactic bacteria, drip washing of the soil polluted by the heave metal is conducted and backfill is conducted; bamboo willows and crimson leafbeet are planted on the soil polluted by the heavy metal at the same time, and the crimson leafbeet is removed after 50-60 days; then crimson leafbeet is planted again, and the crimson leafbeet is removed after 50-60 days; the steps of planting and removal of the crimson leafbeet are repeated; and the bamboo willows and the crimson leafbeet are removed at the same time 1.5-2.5 years later, and the steps are executed circularly and repeatedly until the content of the heavy metal in the soil is up to the safety standard. Compared with the prior art, the magnetotactic bacteria are easy to collect, the growth cycle of the bamboo willows is short and the absorption efficiency of the heavy metal is high. The crimson leafbeet is easy to grow and has a hyperaccumulation ability of cadmium. The method is capable of restoring the soil which is polluted by various heavy metals at the same time, and free of secondary pollution to the soil.

The invention discloses a piece of high-voltage transmission line maintenance equipment which comprises a walking mechanism and a spraying mechanism arranged on the walking mechanism. The walking mechanism comprises a left walking bracket and a right walking bracket. A beam is arranged at the upper part of the left walking bracket. A first dovetail groove is arranged in the right bottom of the beam. A first dovetail tenon matching the first dovetail groove is arranged on the top of the right walking bracket. The spraying mechanism for insulation paint spraying is arranged at the bottom of a lower bracket of the left walking mechanism. The spraying mechanism comprises a spraying bracket arranged at the bottom of the lower bracket of the left walking mechanism, an insulation paint can arranged on the spraying bracket, an airless spraying machine arranged on the spraying bracket, and a CPU module. A transmission line can be sprayed with insulation paint in an all-around and even manner. Moreover, the equipment is firmly clamped onto the transmission line in the spraying process. Thus, retreat and fall are avoided in climbing, and the working reliability is improved.

The embodiment of the invention provides a self-locking mechanism and an electric device and relates to the technical field of self locking. By means of the self-locking mechanism, a rotary knob can be avoided from being reversed, and the travel of a driven member is prevented from receding. The self-locking mechanism comprises a shell provided with a through hole and a receding hole, the rotary knob and the driven member. An elastic element is arranged in the receding hole and connected with a hole wall of the receding hole, the free end of the elastic element can swing along the thickness direction of the shell, and a first clamping element is arranged on the elastic element; the rotary knob is arranged on the outer side of the shell, one end of the rotary knob penetrates through the through hole, a plurality of clamping elements are arranged on the side, close to the shell, of the rotary knob, and the distances of the second clamping elements to the center of rotation of the rotary knob are identical; the first clamping element can be clamped to or separated from the corresponding second clamping element under the deformation action of the elastic element; the driven element is arranged on the inner side of the shell, can be fixedly connected with the rotary knob and driven by the rotary knob to rotate. The self-locking mechanism is used for adjusting self locking of the structure.

The invention relates to a mixed-oxygen preheating oil burning system. The system comprises an oil storage tank, a control valve, a combustion apparatus and corresponding connecting pipelines. The oil storage tank comprises a tank body. The top of the tank body is provided with an oil filling opening, a gas filling opening and an oil-gas switch. The inner end of the oil-gas switch is connected with an oil suction pipe extending to the bottom of the tank body and a gas transfer pipe at the upper part in the tank body. The outer end of the oil-gas tank is connected with an oil transfer pipeline and a gas transfer pipeline. The control valve comprises a valve body provided with a switch valve, an electromagnetic valve, an adjusting valve and a pressure maintaining valve thereon. The combustion apparatus comprises a grate, a heat-insulation cylinder, a preheating pipe, a fire cylinder, a fire distributing cylinder, a main oil burner, a preheating oil burner and a compressed air burner. The invention has the advantages of high preheating temperature, adequate combustion and safety. The invention can be widely used in the occasions needing oil burning stoves.

The invention relates to a method for preventing optical feedback of a semiconductor laser processing machine. The method comprises the following steps of: arranging a reflecting prism arranged at an angle of 45 degrees with an optical path in front of aone semiconductor laser stack array; respectively and sequentially arranging a wavelength beam closing prism and a polarizing prism arranged at an angle of 45 degrees with the optical path as well as a one-fourth wave plate and a focusing mirror which are arranged perpendicular to the optical path in front of the other semiconductor laser stack array; rotating the propagating direction of light emitted by the semiconductor laser stack array passing through the reflecting prism by 90 degrees; enabling light emitted by another semiconductor laser stack array to directly irradiate the wavelength beam closing prism and closing beams of two beams of laser through the wavelength beam closing prism; propagating the closed light beams along the laser transmitting direction of the semiconductor laser stack array; and enabling the closed light beams to pass through the polarizing prism and the one-fourth wave plate and focusing the closed beams by the focusing mirror. According to the method disclosed by the invention, the damage to the inside and a cavity surface film of the laser can be effectively reduced and the service life of the laser is prolonged.

The invention relates to a high-precision automatic material grabbing system with a storage location and a wagon. The material grabbing system comprises the storage location and the wagon. The storage location comprises two rough positioning guide rails, a positioning platform arranged between the rough positioning guide rails, a three-direction positioning reference unit arranged on the positioning platform, correlation sensors arranged on the outer sides of the rough positioning guide rails, a wagon type sensor arranged at the front end of the storage location and a diffuse reflection sensor arranged at the bottom of the storage location. The bottom of the wagon is provided with casters matched with the rough positioning guide rails, and a three-direction positioning unit matched with the three-direction positioning reference unit. Compared with the prior art, the high-precision automatic material grabbing system is advantageous in that through the three-direction positioning reference unit on the storage location and the three-direction positioning unit on the wagon, the wagon can be accurately positioned, the operation precision of a robot is improved when the robot fetches a workpiece, and the fault rate caused by inaccurate workpiece positioning is reduced; and various types of wagons can work in the same storage location as long as different wagons are pushed in, and space is saved.