11results about How to "Stable and reliable structure" patented technology

The utility model discloses a kind of knob brake devices and mower, knob brake device includes knob main body, knob bottom ring, knob cover and locating bead, knob brake device drives the rotation of motor height adjusting device's spiral column, spiral column drives motor in motor height adjusting device to move upwards or downwards, the lower end surface of knob bottom ring is equipped with ring locating hole;Locating bead is located on the device shell upper surface of motor height adjusting device, and is matched with the position of locating hole, and the bottom of each locating bead is equipped with spring;Knob cover is equipped with hole position, after knob main body passes through knob cover, knob cover is fixed with the device shell upper surface. The application can prevent knob from rotating randomly, make the rotation process more stable, simultaneously utilize sound or touch to perceive rotation angle, facilitate angle control, can be applied to adjust the height of motor, to adjust the height of motor front end prop, blade and other devices, structure is firm and stable, suitable for high-power electrical product.

A walking type safety belt fixing device comprises symmetrically-arranged clamps, positioning holes are formed in the clamps, positioning cylinders are fixedly connected into the clamps, locking holes and adjusting through holes which are matched with the positioning holes are formed in the positioning cylinders, mounting rods are arranged on the clamps, walking wheels are arranged on the mounting rods, adjusting rods matched with the adjusting through holes in an adjusting mode are arranged in the adjusting through holes, and the walking wheels are arranged on the adjusting rods. A plurality of sets of locking holes matched with the locking holes are symmetrically formed in the two sides of the adjusting rod, locking rods matched with the locking holes are arranged on the locking holes, the locking rods are matched with the positioning holes and the locking holes, the middle position of the adjusting rod is fixedly connected with an inner ring of a bearing, an outer ring of the bearing is fixedly connected with a connecting arm, and a connecting hole is formed in the connecting arm. By the adoption of the structure, a steel beam structure is flexibly and stably matched, it is guaranteed that safety belt fixing points are firmly and stably connected, and meanwhile operators can walk in cooperation with construction position changes; the clamping distance is flexible to adjust, the device is suitable for steel beam structures of various models and sizes for paired use, disassembly and assembly are rapid, and operation is easy.

The utility model provides a fixing device for monitoring equipment, and belongs to the technical field of security engineering. The fixing device for the monitoring equipment comprises a first fixing frame and a second fixing frame, the second fixing frame is connected to the first fixing frame in a bolted mode, a mounting frame is fixedly connected to the first fixing frame, a first through hole is formed in the bottom of the mounting frame, a sliding seat is fixed in the mounting frame, and a second through hole is formed in the bottom of the sliding seat. Two symmetrical guide rails are arranged in the sliding seat, first sliding blocks are slidably connected to the guide rails, first mounting plates are fixedly connected to the two first sliding blocks, and monitoring equipment is detachably connected to the bottoms of the first mounting plates; and a second mounting plate is arranged at the front end of the mounting frame, driving motors are symmetrically connected to the second mounting plate, lead screws are in transmission connection to output shafts of the driving motors, and the lead screws are connected with the first sliding blocks. The fixing device has the advantage of being convenient to fix.

The utility model relates to the technical field of battery thickness measurement, in particular to a device for stably measuring the thickness of a laminated battery, which comprises four groups of device support frames, a support plate fixedly welded at the top of the device support frames is arranged above the device support frames, and the thickness of the laminated battery is measured by the support plate. A battery placing module is arranged among the four groups of device supporting frames, the battery placing module comprises a placing platform for placing a laminated battery, the placing platform is located under the supporting plate, and an electric cylinder corresponding to the placing platform is fixedly arranged above the supporting plate; the lower end of the electric cylinder is provided with a counterweight pressure system which is connected with the electric cylinder and controlled by the electric cylinder, the thickness of the battery can be automatically measured in a low-pressure environment through the counterweight pressure system, and compared with a traditional mechanism which depends on servo connection, the repeated measurement precision is higher.

The utility model relates to a household energy storage top cover and case fixing structure and a household energy storage power supply, the household energy storage top cover and case fixing structure is used for fixing a top cover and a case, the case is provided with an upper edge, the household energy storage top cover and case fixing structure comprises a bending edge part formed by bending the upper edge of the case, the bending edge part is bent inwards and then is bent outwards, and the bending edge part is provided with an opening. The bent edge portion comprises an inward bent portion and an outward bent portion, a stud aluminum sleeve is arranged on the bottom face of the outward bent portion, an upper through hole is formed in the edge of the top cover, a lower through hole is formed in the outward bent portion, the stud aluminum sleeve is provided with sleeve holes, and the sleeve holes correspond to the upper through hole and the lower through hole respectively so that a fastening assembly can be installed in the sleeve holes. And the top cover is fixed on the case through a fastening assembly. The structure is compact and firm, a space is formed through inward and outward bending, the size of the case can be reduced, the strength of the case is improved through the stud aluminum sleeves, meanwhile, water seepage can be effectively prevented through multiple bending, dust can be prevented, and the case is suitable for household scenes.

A kind of tower matching chute structure suitable for high-voltage transmission line unmanned aerial vehicle repair, including chute structure, the bottom of chute structure is equipped with support structure, the bottom of support structure is equipped with base structure.Using the above structure, the time flow of single repair module docking and installation operation is greatly reduced, compared with traditional way, the demand for manpower is greatly reduced, and the operation efficiency is greatly improved;The prefabricated part is easy to disassemble and assemble, and can be prepared flexibly according to the demand of existing module, and the combination flexibility is strong;The overall structure of the device is firm and stable, easy to disassemble and assemble, and practical.

The present invention provides a curved pneumatic curtain wall structure, the curved pneumatic curtain wall structure comprising: a plurality of vertical brackets, the plurality of vertical brackets being arranged vertically, the connection line of the top edges of the plurality of vertical brackets forming a first curve; a pneumatic blade connecting device (4) being arranged on each vertical bracket from top to bottom, a pneumatic blade (5) being connected to the pneumatic blade connecting device through a limiting device; a swing shaft (55), the first shaft sleeve (50) of the two intervals being axially limited by the second shaft sleeve (60); the distances between the swing shafts (55) at the top of the plurality of vertical brackets and the top edges of the plurality of vertical brackets being equal, the connection line of the swing shafts (55) at the top of the plurality of vertical brackets forming a second curve. The present invention makes the pneumatic blade unable to move laterally and can only move circumferentially within a fixed angle, thereby achieving the technical effect of a firm, reliable, stable and durable structure.

The utility model relates to a fork type lifting safety anti-falling device for a riser tube. The device comprises two fork rods which are arranged in parallel, the front ends of the two fork rods are connected through a cross rod, a hanging rod is obliquely arranged above the middle of the two fork rods, the two sides of the hanging rod are connected with the two fork rods through two oblique tie bars respectively, the lower end of the hanging rod extends to the outer side of the cross rod, and the higher end of the hanging rod is located above the middle of the fork rods. A middle nut is arranged on the suspender, and an upper nut is arranged at the higher end of the suspender. The device has the advantages of being high in working efficiency, low in safety risk, low in manufacturing cost, simple in structure and low in operation difficulty.

The present invention provides a pneumatic curtain wall structure and a layered pneumatic curtain wall structure, the pneumatic curtain wall structure comprising: a transverse support; a pneumatic blade connecting device, arranged side by side on the transverse support, a limiting device is arranged on the pneumatic blade connecting device, the limiting device comprises a transverse limiting portion for limiting the translation of the pneumatic blade and a circumferential limiting portion for limiting the swing of the pneumatic blade; a plurality of pneumatic blades are connected to the pneumatic blade connecting device through the limiting device. The present invention also provides a layered pneumatic curtain wall structure, comprising the pneumatic curtain wall structure described above, the number of tubular protective covers is at least one row and at least one column, each row and each column is provided with a plurality of tubular protective covers, each tubular protective cover is arranged horizontally; each tubular protective cover is provided with a plurality of pneumatic blades. The present invention can solve the problem that the steel wire rope and fasteners used to connect the pneumatic blades are exposed to the wind, rain and sun in the outdoor environment, and are severely damaged and have a short service life.

The present invention provides a pneumatic curtain wall structure with a swing shaft, the pneumatic curtain wall structure comprising: a transverse bracket; a plurality of pneumatic blade connecting devices, which are arranged side by side on the transverse bracket, a limiting device is arranged on the pneumatic blade connecting device, the limiting device comprises a transverse limiting portion for limiting the translation of the pneumatic blade and a circumferential limiting portion for limiting the swing of the pneumatic blade; a plurality of pneumatic blades, which are connected to the pneumatic blade connecting device through the limiting device. A first sleeve is connected to the top of the pneumatic blade, and the axis of the first sleeve is located in the same plane as the pneumatic blade; a swing shaft is arranged in the first sleeve and fixedly connected to the first sleeve. The present invention makes the pneumatic blade unable to move laterally and can only move circumferentially within a fixed angle, achieving the technical effect of a firm, reliable, stable and durable structure.

The utility model discloses a kind of electric wire cable length measuring devices, including measurement base, the top of measurement base is fixedly connected with portal frame, the portal frame is installed with the measurement component for cable length measurement, the top of the portal frame and the position corresponding the measurement component is installed with the limiting component for the cable to be measured limiting, the both sides of measurement base top are installed with the guide component for the cable to be measured guiding, the measurement component includes measurement shaft rotatably installed on the portal frame, metering wheel is fixedly connected on the measurement shaft, the end of the measurement shaft is installed with encoder. The utility model realizes the self-adaptive limiting clamping of different thick and thin cable and the self-adaptive adjustment of cable tension, effectively improve the accuracy and stability of cable length measurement, while having the advantages of stable structure, reliable operation etc., and has wide application prospect in electric wire cable length measurement field.