11results about How to "Flexible limit" patented technology

The invention belongs to the technical field of workpiece conveying, particularly relates to a cleaning workshop feeding device capable of preventing logistics interference, and provides the following scheme aiming at the problems that workpieces are directly placed on a lifting table in the existing using process, and the workpieces can shake and fall off easily in the moving process. The oil scraping device comprises a plurality of oil scraping stations arranged in a stamping workshop and a conveyor erected on the top of a cleaning workshop, the other end of the conveyor extends into the stamping workshop, a deburring station is arranged on one side of each oil scraping station, a lifting machine is arranged on one side of each deburring station, and the lifting machine is arranged on the other side of each deburring station. The discharge ends of the plurality of elevators correspond to the conveyor and are used for conveying workpieces into a cleaning workshop; according to the workpiece lifting device, the workpieces can be moved into the cleaning equipment without adopting a manual transportation mode, the machining efficiency can be effectively improved, the lifting process is more stable, and the workpieces can be automatically pushed to move to the conveyor in the workpiece fixing process.

Crop sowing and film mulching equipment belongs to the technical field of agricultural machinery and comprises a film mulching equipment body, the bottom end of the film mulching equipment body is sequentially provided with a ploughing assembly, an unwinding assembly, a guide limiting component and a hilling component from back to front, the unwinding assembly comprises a film roll, and the guide limiting component comprises a guide roller and a wheel body. The film roll, the guide roller and the wheel body are sequentially arranged in a descending trend from back to front, and a film extending out of the outer wall of the film roll extends towards the front side through the lower surface of the guide roller and is limited under the action of the wheel body. A film extending out of a film roll can be guided and limited, the film is promoted to be laid along the lower surface of the guide roller, the film is closer to the ground, the problem that the side edge of the film is rolled upwards in the film laying process can be solved, and the high-quality effect of overall film covering is effectively guaranteed; and through the arrangement of the wheel bodies, the film attached to and laid on the lower surface of the guide roller can be further pressed into the ridge, and it is further guaranteed that the edge of the film is laid flatly.

The utility model discloses an engine part assembling jig which comprises a base, a hydraulic machine is arranged above the base, a driving mechanism is connected between the hydraulic machine and the base, the telescopic end of the hydraulic machine is fixedly connected with a fixing plate, a working table which is obliquely arranged is arranged above the fixing plate, and the working table is fixedly connected with the base. A lifting mechanism is connected between the workbench and the fixing plate, a lead screw groove is formed in the workbench, a double-end lead screw is arranged in the lead screw groove, one end of the double-end lead screw is rotationally connected to the side wall of the lead screw groove, and the other end of the double-end lead screw penetrates through the lead screw groove and is connected with a first crank. Clamping mechanisms are arranged at the two ends of the double-end lead screw correspondingly, and two limiting mechanisms are connected to the upper portion of the workbench. Efficient angle and height adjustment of the fixing plate and the workbench is achieved, accessories of different sizes are flexibly clamped and limited, and work efficiency and operation flexibility are remarkably improved.

The utility model discloses a metal plate multilateral bending center which comprises a metal bending table, supporting columns are fixedly connected to the two sides of the top end of the metal bending table, a top plate is fixedly connected to the top ends of the supporting columns, a hydraulic cylinder is fixedly installed at the bottom end of the top plate, and an auxiliary rod is fixedly connected to the output end of the hydraulic cylinder. The bottom end of the auxiliary rod is fixedly connected with a mounting plate, a bending head is mounted at the bottom end of the mounting plate, two sets of limiting blocks are arranged at the top end of the metal bending table, and a supporting block is placed between the limiting blocks. According to the multilateral bending center of the metal plate, the bending range can be adjusted through the adjustable limiting blocks, the limiting blocks are moved towards one side during adjustment, the limiting blocks are locked and fixed through positioning bolts after moving to the proper positions in the adjusting sliding ways, and supporting blocks with the corresponding sizes are placed between the two limiting blocks after adjustment. According to the structure, the function of conveniently adjusting the bending range is achieved, and the problem that the bending range is inconvenient to adjust is solved.

The application provides a prefabricated pier column assembly structure for a high pier of a bridge, which comprises a pouring pedestal, a mounting groove is arranged in the middle of the top end of the pouring pedestal, and a plurality of reinforcing ribs are arranged on the bottom of the inner cavity of the mounting groove; a pier column body is arranged in the mounting groove, a plurality of plug-in holes matched with the reinforcing ribs are arranged on the bottom of the pier column body; a connecting seat is arranged above the pouring pedestal, and a slot with the same size as the mounting groove is arranged in the middle of the top end of the connecting seat. The straight-angle trapezoidal limiting block, the ball on the inclined surface of the straight-angle trapezoidal limiting block and the rotating roller close to the side of the slot play a good guiding and friction-reducing role in the installation process of the pier column body, the pier column body is conveniently positioned in the mounting groove, the requirement for the operation technology of the crane driver is reduced, the construction efficiency is improved, and the limiting assembly can flexibly limit pier column bodies with different heights.

The present invention relates to the technical field of medical devices, and discloses a cotton sheet cutter, comprising a base, the base comprising a horizontal part and a vertical part connected in sequence, a detection buffer unit being provided on the horizontal part, a cutting frame being provided above the detection buffer unit, the cutting frame being used to cut brain cotton sheets, the size of the cutting frame being adjustable, a side of the cutting frame close to the vertical part being hinged on the vertical part, a through groove for placing a lead being provided on the vertical part, a pressing unit being provided in the through groove, the pressing unit being used to fix the lead in the through groove, the detection buffer unit being used to detect whether the lead is reliably connected to the brain cotton sheet, and being able to buffer the cutting frame. The technical solution of the present invention can cut multiple brain cotton sheets at one time, and the cutting size is relatively uniform, the cutting efficiency is high, the labor intensity is reduced, and the technical requirements for medical staff are relatively low. At the same time, it can detect whether the brain cotton sheet is reliably connected to the lead, and can also be used to buffer.

The utility model provides a high-strength automobile limiting and fixing mechanism, and belongs to the technical field of automobile production jigs. The high-strength automobile limiting and fixing mechanism comprises a telescopic frame, tip cones are arranged at the two ends of the telescopic frame respectively, an automobile part is tightly ejected between the two tip cones, clamping mechanisms are arranged on the peripheries of the tip cones, and the clamping mechanisms movably clamp the outer circle of the automobile part. The two clamping mechanisms are in power connection with a driving part A and a driving part B correspondingly, the transmission ratio of the driving part A is larger than 30, and the transmission ratio of the driving part B is smaller than 5. In the application, the two telescopic frames drive the two tip cones to tightly abut against and fix the automobile part, the two clamping mechanisms clamp and loosen to switch linkage between the automobile part and the driving part A or the driving part B, the driving part B with a small transmission ratio can quickly drive the automobile part to rotate, and the driving part A with a large transmission ratio can slowly drive the automobile part to rotate. And compared with the prior art, the limiting is more flexible.

The intelligent pet door comprises a door frame, a door plate and a door lock, the door lock comprises a motor, a front locking plate, a rear locking plate, a circuit mainboard and a power source, the front locking plate and the rear locking plate are coaxially arranged and are in transmission connection with the motor, the motor is electrically connected with the circuit mainboard, and the circuit mainboard is electrically connected with the power source; the front locking plate is located on the front side of the lower edge of the door plate, the rear locking plate is located on the rear side of the lower edge of the door plate, the motor drives the front locking plate and the rear locking plate to rotate, and the front locking plate and the rear locking plate can abut against the door plate or abut against the door plate at the same time or be separated from the door plate at the same time. According to the embodiment of the utility model, the front and rear sides of the door plate are respectively limited through the front locking plate and the rear locking plate which are coaxially arranged, and the front locking plate and the rear locking plate are controlled to rotate through the arranged motor, so that the front locking plate and the rear locking plate can flexibly limit the door plate; the functions of controlling the door plate to be opened inwards in a one-way mode, opened outwards in a one-way mode and opened and closed in a two-way mode are achieved, and diversified requirements of feeders can be met.

The utility model discloses a kind of LED lamp panel clamps, it includes: work platform, fixed component, the upper surface of the work platform is provided with intercommunication groove and sliding slot, the left and right sides of the sliding slot are evenly provided with first guide slot and second guide slot, the inner surface of the first guide slot is slidably connected with first guide column, the inner surface of the second guide slot is slidably connected with second guide column. Through the intercommunication groove and sliding slot of work platform intercommunication, space is provided for each component linkage, the first guide slot and the second guide slot of the two sides of sliding slot are slidably matched with the first guide column and the second guide column respectively, can accurately guide guide column to move, the spacing baffle between the two guide columns can slide stably with guide column, quickly adapt to workpieces of different sizes, the overall structure is through the cooperation of multiple components, realize flexible spacing to workpiece, improve positioning accuracy and efficiency, and sliding fit is smooth, convenient to operate, enhance the practicality and stability of clamp.

The quantitative powder filling device comprises a powder leakage plate, a powder storage plate is fixedly installed above the powder leakage plate, a powder filling plate is arranged between the powder storage plate and the powder leakage plate in a sliding fit mode, a tail plate is fixedly connected to the upper surface of the rear end of the powder filling plate, a material guide groove is formed in the middle of the front end of the powder filling plate, and a powder outlet is formed in the middle of the powder guide groove. An adjusting assembly is arranged at the front end of the powder filling plate and located in the material guide groove. The powder leakage plate is in bolted connection with the powder storage plate, the powder filling plate slides between the powder leakage plate and the powder storage plate, the material filling plate moves front and back for discharging and material taking, and the powder taking amount can be flexibly adjusted through cooperation of a T-shaped block in the adjusting assembly and a material guide groove. Meanwhile, the insert and the adjusting screw, the movable block, the locking column, the annular plate and the spring in the insert can position the position of the T-shaped block, so that the T-shaped block can flexibly move and limit, accurate filling is achieved, the structure is simple, use is convenient and fast, and the cost can be saved.

The utility model discloses a plate heat exchanger convenient to disassemble, which relates to the technical field of plate heat exchangers and comprises a front end plate, upper guide rods are fixedly connected to positions, close to corners of two sides of the upper end, of the front end plate, and lower guide rods are fixedly connected to positions, close to corners of two sides of the lower end, of the front end plate. A front fixing block is fixedly connected to the middle position of the lower end of the front end plate, a reciprocating lead screw is rotatably connected to the rear end of the front fixing block, a rear end plate is slidably connected to the upper guide rod and the lower guide rod, a rear fixing block is fixedly connected to the middle position of the lower end of the rear end plate, and the rear fixing block is in threaded connection with the reciprocating lead screw; the reciprocating lead screw is driven by the motor to rotate, the rear end plate is in sliding connection with the upper guide rod and the lower guide rod, and the universal wheels are in auxiliary moving design, so that the rear end plate can quickly and stably move relative to the front end plate, the heat exchanger can be easily opened in a short time, convenience is created for taking out plates, and production efficiency is improved.