234results about How to "Stable and reasonable structure" patented technology

The invention relates to the fields of intelligent robot, in particular to a multi-axis propulsion water search and rescue robot. The multi-axis propulsion water search and rescue robot comprises a central control platform, at least three downward projecting brackets are arranged along the circumferential direction of the central control platform, hinge cable devices are arranged on each bracket, hinge cable devices are hoisted with foldable lifesaving net under the central control platform through cables, a power float device is also connected at the lower end of each bracket, a controller is arranged on the central control platform, and the controller is communicated with the hinge cable device and a power float device. The multi-axis propulsion water search and rescue robot has various motion modes, such as hovering, advancing, retreating and 360 DEG free steering in water, has high stability, has high ability to withstand wind and wave, and can be a good alternative to the traditional rescue way; meanwhile the design of the foldable lifesaving net realizes the purpose of fast and safe lifesaving, can realize multiple tasks such as water search and rescue, the water surface monitoring, the water measurement and control and the like in complicated water area and bad weather condition, practicability is high, flexibility is good and popularization prospect is good.

The invention discloses a landscaping tree fixing and righting device and a use method thereof. The landscaping tree fixing and righting device is composed of landscaping trees, a fixing and righting device and a central control system, wherein the fixing and righting device sleeves an outer diameter of each landscaping tree, is placed on a horizontal ground, and is free to adjust a lifting height; the central control system is located on one side of the fixing and righting device; the fixing and righting device is applicable to tree diameters of different landscaping trees. The landscaping tree fixing and righting device provided by the invention is firm and reasonable in structure, convenient and rapid to use, high in righting rate and applicable to different landscaping trees.

The invention discloses a display with a detachable frame, and the display comprises a base plate, a display screen, a film and a frame, wherein the frame is assembled by two long frame strips, two short frame strips and four corner connectors; the frame is rectangular, the base plate, the display screen and the film are overlapped and assembled in the frame in order, two ends of each of the longframe strip and the short frame strip are respectively formed with a hollow structure, the corner connector is shaped as an L and one end thereof is fixedly connected with the long frame strip after extending in the hollow structure of the long frame strip, the other end of the corner connector is fixedly connected with the short frame strip after extending in the hollow structure of an adjacent short frame strip. The display with the detachable frame is rational in structure, and convenient for mounting and maintenance.

The invention provides an elevator rolling wheel guide shoe installed on an elevator guide rail. The elevator rolling wheel guide shoe comprises a shoe seat connected with an elevator car and a pair of buffering rolling wheel devices symmetrically installed on the shoe seat. Each buffering rolling wheel device comprises an L-shaped support, a supporting plate, a wheel seat and a rolling wheel, wherein the supporting plate is fixed to the inner side of the L-shaped support, the wheel seat is fixed to the supporting plate, and the rolling wheel is installed on the wheel seat. The rolling wheels of the pair of buffering rolling wheel devices are mutually and symmetrically clamped on tracks on two sides of the elevator guide rail with the guide rail as a symmetrical shaft. The outer side of the cross side and the outer side of the vertical side of each L-shaped support are connected with the shoe seat through bolts. The bolts are sleeved with springs and the springs are located between the L-shaped support and the shoe seat. The problem that the installing accuracy of a traditional guide shoe is difficult to control is solved. In addition, due to long-term usage, the guide rail is abraded, the springs play a self-adapting function and can still abut against the guide rail, and stable running of an elevator is ensured.

The invention discloses a finger jointed plate floor, which comprises a decorating wood veneer, a wood veneer, a finger jointed plate, a wood veneer and a decorating wood veneer in sequence from the top to the bottom, wherein the fiber length direction of each wood veneer and the length direction of the finger jointed plate form a criss-cross structure; the fiber length direction of each wood veneer and the fiber length direction of an adjacent wood veneer form a criss-cross structure; each wood veneer is provided with at least two through caulking grooves along a direction vertical to the fiber length direction of the wood veneer; the caulking grooves cut each wood veneer and go deep into the finger jointed plate; panel strips are arranged in the caulking grooves; and the surfaces of the panel strips are flushed with the surfaces of the wood veneers. The floor has high deformation resistance and remarkable meaning; the static bending strength and elastic modulus of the floor in the width direction are 7-9 MPa and 7,000-9,000 GPa respectively; and an unexpected technical effect is achieved.

The invention relates to laser cutting equipment. The laser cutting equipment comprises an XY supporting frame, a cutting bed, a vertical floating mechanism, a laser generation assembly, an X-axis movement mechanism, a Y-axis movement mechanism and a laser cutting assembly, the cutting bed can slide up and down on the vertical floating mechanism, the laser generation assembly is fixedly installed at the top of the XY supporting frame, the laser cutting assembly can freely move on an XY plane which is located above the cutting bed and composed of the X-axis movement mechanism and the Y-axis movement mechanism, laser generated by the laser generation assembly enters a laser cutting head of the laser cutting assembly, the laser cutting head emits laser to a to-be-cut object located on a machining station on the cutting bed to achieve cutting operation, and a feeding port and a discharging port are formed in the front end and the rear end of the cutting bed correspondingly. The equipment is compact in structure, small in size, easy to install and use, low in operation cost and labor cost, low in environment requirement and suitable for being popularized and used in vast small and medium-sized enterprises.

The invention relates to a pump suction type marine product exploring and catching device for marine resource exploration and fishery catching. The technical scheme is as follows: the device consistsof a frame, a catching mechanism, a propelling system, a conveying system and an image acquisition system, wherein the frame is composed of frame pillars, horizontal cross beams and a frame base; propellers of the propelling system are assembled at four corners of the top end of the upper side of the frame through motor supports; a metal net is mounted on a catching collecting box of the conveyingsystem and assembled between the horizontal cross beams of the frame, a horizontal suction pipe is mounted at the bottom end of the frame, and a suction pump is connected with the catching collectingbox through a vertical suction pipe; cameras of the image acquisition system are assembled on the frame pillars respectively; a steering mechanism of the catching mechanism is connected with a mechanical arm through a steering engine support, and the whole catching mechanism is fixed on the frame base by metal pillars. The device adopts the four-degree-of-freedom mechanical arm and can work in complex environments in water; by use of the suction pump device, the working efficiency is improved. The device is reasonable in structure and the labor cost is reduced.

The invention relates to the technical field of fabricated buildings, and discloses a beam-column structure for anti-seismic support of a fabricated building. The structure comprises a bearing column, wherein a reinforcing steel bar frame is fixedly mounted in the bearing column, and avoiding grooves are formed in the top of the bearing column; and four first reinforcing steel bar strips extending into the avoiding grooves are fixedly installed in the bearing column, a fixing base is fixedly installed at the bottoms of the inner walls of the avoiding grooves, and four fixing feet welded to the four first reinforcing steel bar strips are fixedly installed on each of the left side and the right side of the fixing base. According to the beam-column structure for the anti-seismic support of the fabricated building, beams and columns can be effectively fixed, assembly operation is facilitated, the pouring amount is relatively small, the time and energy required by beam-column assembly can be reduced, meanwhile, ground vibration can be effectively buffered and blocked, upward transmission of the vibration is avoided, the structural stability of the fabricated building is improved, mutual impact between structures is avoided, and the service life is prolonged.

The invention discloses a stair climbing wheelchair for disabled people and an automatic stair climbing method thereof. The stair climbing wheelchair comprises a supporting plate, a balancing device fixedly arranged on the upper end face of the supporting plate, two supporting columns fixedly arranged on the lower end face of the supporting plate, a cross beam fixedly arranged below the two supporting columns, a placement cavity fixedly formed in the cross beam, a rotating shaft rotationally arranged in the placement cavity and gear device assemblies symmetrically arranged on the two rotatingshafts, wherein each gear assembly comprises stair climbing devices symmetrically arranged at the two ends of the rotating shaft and anti-skid devices arranged on the inner sides of the stair climbingdevices. By arranging a displacement sensor, a worm and other devices, the angle of a seat can be automatically adjusted when the wheelchair climbs stairs, and the seat and the ground are kept horizontal.

Disclosed is a compression roller device capable of enabling a round pipe belt conveyor to be adjusted into a circle. A compression roller support of a transition frame has the section which is of a rectangular structure, and the compression roller support is formed by connecting profile steel. A separation plate is arranged in the middle. A compression roller seat is installed on the separation plate and is of a U-shaped structure. A horizontal compression roller is installed at the bottom of the compression roller seat. Inclined columns are arranged on the two sides of the compression roller seat. Transverse support plates are arranged outside the inclined columns. The inclined columns are provided with a plurality of side compression roller adjusting holes. Side compression roller adjusting plates are installed through the side compression roller adjusting holes and are provided with angle adjusting holes matched with the side compression roller adjusting holes. Side compression rollers are installed on the side compression roller adjusting plates. The installing angles of the side compression rollers can be changed through different matching of the side compression roller adjusting holes in the inclined columns and the angle adjusting holes in the side compression roller adjusting plates. The compression roller device capable of enabling the round pipe belt conveyor to be adjusted into a circle has the following advantages that (1) adjusting is convenient, and attaching of the compression rollers and tape is achieved by adjusting the angles of the side compression roller adjusting plates; and (2) the structure is firm and reasonable, and shaking caused by large running resistance is avoided.

The invention discloses a microwave treatment vehicle for asphalt concrete in installation groove areas of bridge expansion joints, comprising a vehicle body. A compacting device is arranged at the front end of the vehicle body. A generator set, a microwave power supply and a control system are installed in the vehicle body compartment. A motion mechanism is mounted on the rear end of the vehicle body and is provided with microwave heating walls. The microwave treatment vehicle disclosed by the invention has the characteristics of fast speed, high efficiency, safety, low labor intensity, no noise pollution and no environment pollution during construction processes. The microwave treatment vehicle can directly recycle the waste asphalt, and plays an important role in saving energy and reducing consumption.

The invention discloses a building energy-conservation fire-protecting heat-preservation movable wall. The building energy-conservation fire-protecting heat-preservation movable wall comprises a main wall body, a locating boss and a locating groove, the two sides of the main wall body are provided with the locating boss and the locating groove respectively, the main wall body comprises a reinforcing board, a sound absorption filling layer, a first concrete adhesion layer, a fire-protecting heat-preservation layer, a second concrete adhesion layer and a decorative layer, the inside of the reinforcing board is filled with the sound absorption filling layer, one side of the reinforcing board is provided with multiple second dovetail grooves, the reinforcing board is connected to the second concrete adhesion layer through the second dovetail grooves, one side of the second concrete adhesion layer is connected to the fire-protecting heat-preservation layer in an adhesive mode, one side of the fire-protecting heat-preservation layer is connected to the first concrete adhesion layer in an adhesive mode, one side of the decorative layer is provided with multiple first dovetail grooves, and the decorative layer is connected to the first concrete adhesion layer through the first dovetail grooves. The building energy-conservation fire-protecting heat-preservation movable wall is reasonable and stable in structure, compared with a common movable board, the wall has good fire-protecting heat-preservation effects and a good sound insulation effect, the loss of indoor energy can be effectively reduced, and thus a user can have a quite rest environment.

The invention discloses a heavy load vertical impact test apparatus. The apparatus comprises a base; an impact mechanism is arranged at the middle position of the base; weight balancing units are symmetrically arranged at two sides of the impact mechanism; the weight balancing units are arranged on the base; and the weight balancing units are provided with clamping mechanisms. According to the heavy load vertical impact test apparatus of the invention, the supporting position of a test object is adjusted through the rotation of screw rods, so that test parameters can be changed; a sufficient impact force can be provided for a specific test object on a test bench; and the characteristics of the test object can be effectively tested. The heavy load vertical impact test apparatus is simple inoperation, reasonable and stable in structure and can perform testing and be used repeatedly.