33results about How to "Change pitch angle" patented technology

The invention discloses field geographic information surveying and mapping equipment. The equipment comprises a supporting platform, a main shaft and a surveying and mapping instrument adjusting mechanism; the main shaft is hinged to the bottom of the supporting platform; the surveying and mapping instrument adjusting mechanism is fixedly arranged at the top of the supporting platform; the surveying and mapping instrument adjusting mechanism comprises a fixed shaft, a height adjusting mechanism, a direction adjusting mechanism and a pitching adjusting mechanism; the height adjusting mechanismis used for adjusting the height of a surveying and mapping instrument; the direction adjusting mechanism is used for adjusting the surveying and mapping direction of the surveying and mapping instrument; the pitching adjusting mechanism is used for adjusting the surveying and mapping angle of the surveying and mapping instrument; the fixed shaft is fixedly arranged on the direction adjusting mechanism; the height adjusting mechanism is arranged on the direction adjusting mechanism; the pitching adjusting mechanism is arranged on the height adjusting mechanism; and the surveying and mapping instrument is arranged on the pitching adjusting mechanism. The equipment has the beneficial effects that the supporting platform can be rapidly and efficiently leveled, the surveying and mapping direction of the surveying and mapping instrument can be adjusted at will, the height of the surveying and mapping instrument can be adjusted conveniently, the pitching angle of the surveying and mapping instrument can be adjusted and the equipment can adapt to uneven ground.

The invention provides a portable photovoltaic bracket, which belongs to the technical field of solar energy utilization. The bottom plate is divided into a front bottom plate and a rear bottom plate, both of which are long rectangular plate structures. The electric push rod is a four-section telescopic structure. The first section of the telescopic rod of the electric push rod is tangent to the lower surface of the bottom photovoltaic support. The left and right sides of the upper surface of the end are provided with bracket guide rails that cooperate with the bracket sliders, and the upper end of the bracket guide rails is provided with a limit block. The rear base plate is fixed, and the other end is fixed to the rear base plate through the second bearing seat. There are two sections of connecting rod guide rails on the rear base plate below the double-headed screw. The lower surface is provided with a chute matching the connecting rod guide rails. Both ends of the upper side of the bracket are equipped with connecting plates, and the two ends of the sliding rod with sliders are fixed with the photovoltaic bracket through the connecting plate. The uppermost photovoltaic bracket is equipped with a photoelectric detection device in the middle of the upper edge, and a controller is installed on the upper surface of the rear bottom plate. .

The invention discloses a field geographic information surveying and mapping equipment, which comprises a support platform, a main shaft hinged at the bottom of the support platform, and a surveying and mapping instrument adjustment mechanism fixed on the top of the support platform. The surveying and mapping instrument adjustment mechanism includes a fixed shaft for adjusting The height adjustment mechanism for the height of the surveying and mapping instrument, the direction adjustment mechanism for adjusting the surveying direction of the surveying and mapping instrument, and the pitch adjustment mechanism for adjusting the surveying and mapping angle of the surveying and mapping instrument, the fixed shaft is fixed on the direction adjustment mechanism, and the height adjustment mechanism is set on the direction adjustment mechanism , the pitch adjustment mechanism is set on the height adjustment mechanism, and the surveying and mapping instrument is set on the pitch adjustment mechanism. The beneficial effects of the present invention are: the support platform can be quickly and efficiently leveled, the surveying direction of the surveying and mapping instrument can be adjusted arbitrarily, the height of the surveying and mapping instrument can be adjusted conveniently, the pitch angle of the surveying and mapping instrument can be adjusted, and it can adapt to uneven ground.

The invention is suitable for the technical field of goods shelf display screens, and provides a light and thin integrated goods shelf display screen capable of being adjusted in multiple dimensions, which comprises a movable seat and an adjusting seat, wherein a sliding rail is connected with the movable seat; sliding holes are respectively formed in the left end and the right end of the top of the movable seat; clamping mechanisms are respectively mounted in the left and right ends of the movable seat; the bottom ends of the clamping mechanisms are connected with the sliding rail; the rear end of a right rear connecting plate is connected with the front end of the movable seat; the front end of the right rear connecting plate is rotationally connected with a connecting piece; the rear end of a left rear connecting plate is connected with the front end of the movable seat; the front end of the left rear connecting plate is rotationally connected with the connecting piece; the rear end of a right front connecting plate is rotationally connected with the connecting piece; and the front end of the right front connecting plate is connected with the adjusting seat. According to the light and thin integrated goods shelf display screen, the adjusting seat connected with the front end of the movable seat can be subjected to front-back movement adjustment or left-right movement fine adjustment according to the use requirements of different parts of the display screen, the orientation angle of the adjusting seat can be rotationally adjusted, the position and orientation angle of the display screen are changed, and the use requirements of the different parts of the display screen are met.

The invention discloses a safety excavation and disaster early warning equipment and method for a high-water-head tunnel crossing the river. It comprises a base, a fixed plate is installed at one end of the base, the fixed plate is rotatably connected to an adjustment seat, the other end of the base is hinged to a hydraulic rod, and the hydraulic rod is hinged to an adjustment seat. , A protective mechanism is installed between the base and the adjusting seat, a drilling rig is installed on the top of one end of the adjusting seat, the drilling rig is connected to a drill pipe, and the other end of the drill pipe is connected to a drill bit or a plugging head through a coupling. The hydraulic rod stretches, drives the adjusting seat to rotate along the fixed plate, and changes the pitch angle of the adjusting seat, so that the drill pipe drives the drill bit to drill along a predetermined angle, and the protection mechanism protects against accidental power failure to avoid equipment damage and personnel injury , when water gushing occurs in the borehole during drilling, the drill pipe drives the drill bit out, replaces the plugging head, and quickly pressurizes the borehole through the plugging head to inject grout, so that the mud penetrates into the gap on the inner wall of the borehole, thereby strengthening the plugging. Prevent and eliminate flood disasters.

The invention discloses an LED display unit and a spliced ​​LED display, relates to the technical field of display mounting frames, and solves the problem that the height and pitch angle cannot be adjusted after the existing LED mounting frames are fixed on the wall. Problem with reinstalling the mounting bracket for adjustment. An LED display unit and its spliced ​​LED display screen include an angle adjustment plate; a vertical plate on one side of the angle adjustment plate is screwed and fixed to the middle of the back side of an LED splicing installation plate. After the device is fixed, the LED display screen inside the LED splicing mounting plate can be changed by moving the electric push rod up and down to change the display height, and the pitch angle of the LED splicing mounting plate will not change when the height is changed. , to ensure that the LED display is always at the best display angle, and the device can change the display angle of the LED splicing installation board by rotating the adjustment lever, so as to adapt to the display content of the LED display at different angles.

The present invention discloses a dead pig transportation trolley and an operating method thereof. The dead pig transportation trolley mainly comprises a bottom plate, a trolley frame, a plurality of wheels, a lifting device, a drive device, stretching support frames, a rotating device, and a multi-function handle, wherein the wheels are driven by two motors so as to achieve the driving and the turning of the trolley, the trolley frame comprises a helical bracket so as to change the pitch angle of the lifting arm, the lifting device is used for achieving the heavy substance lifting and placing of the trolley, the stretching support frame has effects of supporting and side-turning-over preventing, the rotating device is used for supporting and assisting the 180 DEG trolley rotating, and the multi-function handle can rotate up and down and can be used for achieving the positioning of the transportation trolley frame. According to the present invention, the mechanized transportation way is used, the driving and the turning of the transportation trolley and the lifting of the dead pig are completed through the motors, and the dead pig transportation trolley has characteristics of simple structure, small volume, simple operation, time saving, labor saving, and the like.

The invention provides a spraying device with an anti-solidification function for textile coloring, which relates to the technical field of textile processing and includes a main pipe, a suction barrel and a suction plate; the right end of the main pipe is provided with a liquid inlet, and the liquid inlet It is connected with the coloring liquid supply pipeline, and there is a liquid outlet on the rear side of the left end of the main pipe; the support seat, the left and right ends of the support seat are respectively connected with manual bolts, and the main pipe is connected to the bottom of the support seat; the suction barrel It is fixedly installed in the top of the support frame, and the extraction barrel is located at the rear side of the main pipe; the extraction plate is located inside the extraction barrel; the front end of the support frame is fixedly connected with the main pipe; When the circulation is stopped, the pneumatic part drives the pumping plate to move to the right, and the coloring solution inside the main pipe, nozzle pipe and spraying part is pumped into the pumping barrel, and the pneumatic part drives the pumping plate to move to the left, so that the coloring solution is discharged The discharge of the one-way valve prevents the coloring solution from solidifying inside the main pipe, spray pipe and spraying parts, which affects the flow of the coloring solution.

A method of controlling noise produced by a wind turbine is disclosed. The wind turbine comprises one or more component cooling devices, and the method comprises: receiving one or more inputs indicative of noise generated by the one or more component cooling devices; determining the contribution of noise from the one or more component cooling devices to overall turbine noise based upon the one ormore inputs; and modifying turbine operation based upon the contribution of cooling device noise to overall turbine noise and based upon turbine noise requirements. A corresponding wind turbine controller is also provided.

The invention discloses an integrated photovoltaic panel mounting frame for nomadic transition, relates to the technical field of integrated mounting frame, and solves the problem that the existing solar cell panel mounting frame needs to be installed on a flat ground, and solar cells cannot be adjusted The problem of the rotation angle and pitch angle of the board. An integrated photovoltaic panel installation frame for nomadic transition, including a pitch angle adjustment rod; the pitch angle adjustment rod is plugged into the installation shell on the top side of the fixed pole. When the device is in use, the installation adjustment rod at the bottom can be rotated to adjust the length of the installation adjustment rod protruding from the counterweight base to adapt to the support on different terrains, and the photovoltaic panel mounting frame on the top can be adjusted through the pitch angle adjustment rod The pitch angle and the rotation angle adjustment lever can adjust the rotation angle, which can adjust the photovoltaic panel mounting frame to a suitable rotation angle, so that the solar panel can achieve the maximum photoelectric conversion efficiency.