45results about How to "Stable on the ground" patented technology

A CMP pad conditioner is provided with a grinding part formed by fixing abrasive grains on a metal base by soldering, wherein the grinding part has a flat part near an inner periphery and an inclined part near an outer periphery, wherein abrasive grains having regular shapes are fixed to the flat part, and wherein abrasive grains having acute shapes are fixed to the inclined part.

A system for and method of remediating existing mud and reducing future mud in an animal stable, pen, paddock, or arena through the use of geocells filled with aggregate matter. A new surface is formed through the placing of a layer of networked geocells filled with compacted aggregate matter on top of the existing stable, pen, paddock or arena ground soil. A geotextile barrier may be placed below the layer of networked geocells. An optional aggregate layer may also be added on top of the aggregate-filled geocells. The geocells distribute loads (weight from the animals) across the soil, preventing soil displacement and mud formation.

The invention provides a portable multifunctional musical instrument stand, which includes a microphone placement and adjustment frame device, an angle-adjustable rotating plate device, a height-adjustable rotating tube device, a suction cup device, an adjustable bolt, a rotating foot device, and a guitar clamping block device and adjustable bracket device. In the present invention, the microphone placement adjustment frame device, the angle-adjustable rotating plate device, the height-adjustable rotating tube device, the suction cup device, the adjustable bolt, the rotating foot device, the guitar clamping block device and the adjustable bracket device are set up to realize Insertion, screw connection, rotation angle and folding functions are easy to operate, so that it is easy to store and carry; Rotate at an angle to make the truncated truncated feet more stable and balanced on the ground, so as to make the operation more convenient.

The invention relates to a permanent magnet eddy current braking device for a fixed air gap type elevator, which comprises a built-in permanent magnet linear eddy current brake and a mechanical magnetic adjustment operating mechanism. The built-in permanent magnet linear eddy current brake includes a conductor stator and a built-in permanent magnet mover; the conductor stator is fixed in the elevator shaft, the permanent magnet mover is fixed outside the elevator car, and there is an air gap between the conductor stator and the permanent magnet mover. The relative position between the two is fixed by the guide rail. The invention adjusts the position of the magnetic regulating plate through the mechanical operating mechanism, controls the coupling magnetic flux between the built-in permanent magnetic mover and the conductor stator, and realizes the adjustment of the braking force of the permanent magnetic eddy current brake. For elevator working conditions with different loads, the invention can realize flexible braking force and elevator car braking speed adjustment through the electronic control device; in the case of sudden elevator failure and rapid fall, one-button eddy current braking can be realized, and the low-speed and uniform-speed Descending, landing smoothly.

The invention relates to a gliding robot taking off in a bouncing mode. Stable takeoff can be achieved, overturning is avoided in the bouncing process, the attitude is stable after landing, adjustingof the jumping angle, continuous bouncing and gliding advancing can be achieved, and accordingly the skip distance and height which conform to the requirements are achieved. The gliding robot is simple in adopted mechanism, light and large in bouncing height and distance, and can complete tasks in the complex environments through remote control. The gliding robot can be applied to the special environments, for example, the gliding robot conducts on-site research and rescue in rescue and relief work and conducts exoplanet ground exploration, and the gliding robot can be further applied to the military aspect, for example, the gliding robot goes deep into dangerous zones for intelligence reconnaissance and can even carry small chemical and biological weapons.

The invention provides a low-corrosion self-generating energized fracturing fluid and a preparation method thereof. The fracturing fluid of the present invention is prepared by mixing an air generator solution and an initiator solution; 0.2-1 part of joint agent, 0.02-0.1 part of gel breaker, 0.05-0.2 part of bactericide, 25-43 parts of water; the initiator solution includes the following raw materials in parts by weight: 0.02-0.1 part of drag reducing agent, 3 parts of methyl formate -20 parts, 1.5-10 parts of ammonium chloride, 0.5-1.2 parts of methanol, 21-45 parts of water. The fracturing fluid of the present invention has the characteristics of self-gasification, low corrosion, no reaction or slight reaction at normal temperature, good stability, easy control of reaction, rapid response at formation temperature, full and effective use of fracturing fluid, no harmful gas generation, safety and environmental protection, And it has the advantages of little impact on the reservoir near the wellbore.

The invention provides a movable car unloader which comprises a moving device used for driving the movable car unloader to advance. One end of the overturning frame is pivotally connected with the bottom plate through a hinge shaft; the supporting frame comprises two sets of supporting frames arranged side by side, and each set of supporting frame comprises an overturning frame arranged on one side of the overturning frame; the driving device is telescopic, one end of the driving device is pivotally connected with a fixed seat on the bottom plate, and the other end of the driving device is pivotally connected with a hinge piece arranged on the turnover frame; the auxiliary supporting frame comprises four auxiliary supporting devices, and the four auxiliary supporting devices are arranged on the bottom plate and are close to the four bottom corners of the bottom plate respectively; the auxiliary supporting device is telescopic, one end of the auxiliary supporting device is connected with the bottom plate, and the auxiliary supporting device is used for controlling the bottom plate to be horizontal relative to the ground. Therefore, the mobile car unloader can effectively ensure that the mobile car unloader touches the ground stably during use and does not shake, so that the use safety is improved.

The invention discloses an efficient dual-purpose fertilizer applying and pesticide spraying unmanned aerial vehicle which comprises an unmanned aerial vehicle body. A connecting base is fixedly connected to the lower surface of the unmanned aerial vehicle body, the left side of the lower surface of the connecting base is fixedly connected with the upper surface of a material storage cavity through two first fixing blocks, the front side and the back side of the inner wall of the material storage cavity are fixedly connected through a first baffle, and the left side face and the right side face of the first baffle are fixedly connected with second baffles. According to the efficient dual-purpose fertilizer applying and pesticide spraying unmanned aerial vehicle, a sliding plate performs left-right reciprocating motion under the combined action of a cam and a first elastic device by arranging a motor, and when a second through hole is located in the lower portion of a hard plastic pipe,a fertilizer in the hard plastic pipe flows into a discharging port through the second through hole, and accordingly the unmanned aerial vehicle body applies fertilizers while spraying pesticides. Compared with transitional agricultural unmanned aerial vehicles, fertilizer applying and pesticide spraying can be performed simultaneously, the time and fuel resources of a user are saved, and convenience is provided for the user to perform agricultural planting by using the unmanned aerial vehicle body.

The invention discloses an unmanned aerial vehicle with a buffering protection device through using a knee structure as a basis to achieve pressure bending. The unmanned aerial vehicle structurally comprises a supporting frame, an operating cabin, blades, an intelligent buffering device, an empennage, and wings. An internal stressed frame makes contact with a floor, power is received through a joint block at the same time, bending is carried out, an overall structure at the upper portion is pressed downwards at the same time, then a universal wheel at the upper portion is rotated, then a sliding frame is displaced and rotated, and a supporting pad is subjected to suction and separation, so that the device is prevented from quickly making contact with the damaged impression of a support; and then an internal pressing pad is pushed through a hinge rod at the upper part, so that internal gas is discharged, an internal air pressure pad is expanded at the same time, and then a memory spongeinside a damping pad is compressed, so that impulsive force is subjected to secondary pushing for damping, and the gas displacement replaces an internal spring to buffer the operation of the internaldevice.

Provided is a support device capable of self-locking for a non-manpower vehicle. A lock core is arranged on a vehicle lock panel. A machine case is arranged on a vehicle body pedal, a rotary shaft frame is arranged on the machine case, two ends of a rotary shaft are respectively and fixedly connected with two supports outside the machine case, the two supports are located on the outer side of thepedal, and a motor is arranged on one side of the rotary shaft in the machine case and is in matched connection with the rotary shaft through a transmission device. A turntable is arranged at the position of the rotary shaft away from the motor and installed in a turntable base in the machine case, a pair of centrosymmetric pin holes is arranged on the outer peripheral face of the turntable, a pair of through holes forming an angle of 90 degrees is arranged on the peripheral face of the turntable base, a first spring and a pin shaft are arranged in each through hole, two pin shafts are respectively connected with the ends of a shifting rod through flexible connecting shafts, the shifting rod is fixed on the lock core and rotates along with the lock core synchronously, a first trigger switch and a second trigger switch are arranged at two positions of the vehicle lock panel corresponding to the lock core, the switches are respectively and correspondingly matched with the two ends of the shift rod to as to control forward rotation and reverse rotation of the motor. The support device replaces manpower with motor driving to support or fold the supports, thereby saving time and labor.

The embodiment of the invention provides double-blade hoisting equipment and method. The equipment is used for hoisting an assembly of a hub and double blades. The hub is provided with three flange faces connected with the blades. The equipment comprises a lifting-adjustable mechanism, a steel cable take-up and pay-off mechanism and a hosting device. The lifting-adjustable mechanism is connected with the steel cable take-up and pay-off mechanism and used for controlling the steel cable take-up and pay-off mechanism to ascend and descend. The hoisting device is provided with a long arm and a short arm perpendicular to the long arm, and the short arm is connected with the assembly of the hub and the double blades. The steel cable take-up and pay-off mechanism is provided with a first reel, a second reel and a driving part. The driving part drives the first reel and the second reel to independently rotate. A steel cable connected with the long arm is wound on the first reel, and a steel cable connected with the short arm is wound on the second reel. By means of the hosting equipment, the problem that when a single blade is damaged and needs to be replaced, it is hard to dismount double blades from an engine room of a fan set and hoist the double blades to the ground can be effectively solved.