11results about How to "Reduce uneven force" patented technology

The present disclosure relates to a base station and a cleaning device. The base station comprises a base and a cleaning disc. The base is used for the cleaning host to dock. The cleaning disc is arranged on the base. The cleaning disc is provided with a cleaning groove facing the cleaning host. The cleaning groove can accommodate a cleaning element of the cleaning host. The inner wall of the cleaning groove is provided with a contoured arc surface matched with the outer contour of the cleaning element. The contoured arc surface is in abutment with the cleaning element. When the cleaning element rotates at the cleaning groove, the rotating cleaning element can rub and scrub the contoured arc surface to clean the cleaning groove. This structure can effectively reduce the problem of time-consuming and labor-consuming for users to frequently clean and maintain the cleaning disc.

This utility model provides a geotechnical investigation sampling box, belonging to the field of geotechnical engineering investigation and sampling. The technical solution is as follows: a geotechnical investigation sampling box includes a soil sample box, with an upper and lower cover respectively installed at both ends. A label box is installed on the top of the upper cover. The label box includes a base and a lid. The bottom of the base is fixedly connected to the top of the upper cover, and the top of the base has a mounting groove for storing labels. The lid is located above the mounting groove, and the lid and base are rotatably connected. A locking mechanism is provided on the lid to lock it onto the base and seal the mounting groove. The beneficial effect of this utility model is that by encapsulating the labels inside the label box, it not only achieves independent protection for the labels but also effectively maintains their integrity over a long period.

The utility model relates to the technical field of assembly type PC building structures, and discloses an assembly type PC building structure which comprises two PC plates, a plurality of steel bars are fixedly connected to the surfaces of the PC plates, a connecting structure is arranged on the surfaces of the PC plates, the connecting structure comprises a plurality of rectangular boxes, the rectangular boxes are fixedly connected to the two sides of the PC plates through bolts, and the rectangular boxes are fixedly connected to the two sides of the PC plates through bolts. A connecting plate A and a connecting plate B are inserted into the sides, close to each other, of the two rectangular boxes correspondingly, and the connecting plate A and the connecting plate B are rotationally connected. According to the assembly type PC building structure, the connecting structure is arranged, so that the PC plates connected in a linear mode and in a right-angle mode can be connected and fixed; the PC board can better adapt to diversified building design requirements, the problem of uneven stress caused by unreasonable connection is reduced, the probability of potential quality hazards such as cracks and leakage of the connecting part is reduced, finally, the safety and reliability of the whole building structure are improved, and the service life of the whole building structure is prolonged.

This utility model relates to the field of electric bicycle frame technology and discloses an electric bicycle frame with a center of gravity adjustment structure, including a front stem tube. A first adjustment mechanism is provided on the right side of the front stem tube, and a second adjustment mechanism is provided on the top of the first adjustment mechanism. The first adjustment mechanism includes a crossbeam, which is fixedly connected to the front and rear sides of the front stem tube. A rear stem tube is fixedly connected to the inner side of the crossbeam, and a middle tube is fixedly connected to the bottom left side of the rear stem tube. In use, by using the first adjustment mechanism, when the rider is carrying passengers of different weights or loading goods, turning the knob can cause the threaded rod to drive the moving platform to move left and right along the slide bar, thereby adjusting the front and rear positions of the rear seat and the load above it, effectively changing the center of gravity distribution of the whole vehicle, avoiding the risk of vehicle tilting and tipping due to excessive center of gravity shift, especially in situations such as turning and sudden braking, allowing the vehicle to maintain a more stable posture.

The application discloses a fire extinguishing system, and relates to the technical field of fire-fighting equipment. The fire extinguishing system comprises a fire extinguishing agent supply device, a fire hose, a fire extinguishing device, a first lifting rope and at least two aircrafts. The fire extinguishing device comprises a fire extinguishing assembly and a pulley assembly connected to the fire extinguishing assembly. The fire extinguishing assembly comprises an adapter and a spraying member. The adapter is detachably connected to the spraying member and the fire hose. The adapter is directly or indirectly connected to the pulley assembly. One end of the fire hose away from the adapter is connected to the fire extinguishing agent supply device. The pulley assembly cooperates with the first lifting rope. Two ends of the first lifting rope are directly or indirectly connected to different aircrafts. The fire extinguishing system provided by the application adopts multiple aircrafts to hang the fire extinguishing device and the fire hose. The fire extinguishing system has higher carrying capacity, can hang the fire extinguishing device and the fire hose to a higher position, and can better meet the fire extinguishing demand of high-rise buildings.

The utility model discloses a small glass drilling machine, the utility model relates to glass drilling machine technical field. Including frame main part, the frame main part, the inner wall fixed with X axle crossbeam of frame main part, the outer wall sliding connection has of X axle crossbeam bow main part, the upper end of bow main part is provided with upper drill main body, the utility model operator places glass on mesa main body, and bow main part slides to glass drilling position along X axle crossbeam, and upper drill main body and lower drill main body align drilling point, through the cooperation of X axle and Y axle's movement, the flexible adjustment of drilling position has been realized, and the processing demand of different specifications glass is adapted, and the drilling speed can be improved to upper and lower drilling simultaneously, reduces single -hole processing time, compares the traditional single -time processing one hole's mode, and the processing efficiency is greatly promoted, and the uneven stress of glass in the drilling process can be reduced in upper and lower collaborative work, and the probability of glass breakage is reduced.

The utility model relates to the technical field of pile foundation connection, and discloses a pile foundation mechanical connection structure which comprises an upper end plate and a lower end plate, a quick connection assembly is arranged between the upper end plate and the lower end plate, and a fastening assembly is arranged outside the lower end plate. The quick connecting assembly comprises a bolt hole, the bolt hole is formed in the outer side of the upper end plate, a through hole is formed in the outer side of the lower end plate, a stopping block is fixedly connected to the outer surface of the upper end plate and located on the outer side of the bolt hole of the upper end plate, a fixing box is fixedly connected to the outer surface of the lower end plate, and the fixing box is fixedly connected to the outer surface of the lower end plate. The fixing box is located on the outer side of the through hole of the lower end plate, and a bolt is arranged between the bolt hole and the through hole. According to the utility model, the bolt hole, the stopping block, the fixing box and the bolt are tightly matched, so that the quick connection of the precast pile is realized; during construction, bolts penetrate through the bolt holes to be inserted into the fixing boxes, primary connection can be completed, and the connection time is shortened.

The utility model relates to the technical field of assembly tool, specifically is a kind of multi-screw positioning installation tool, including fixed frame, rotating handle is rotatably connected in the inside of fixed frame by bearing, adjusting component is set in the below of fixed frame, transmission component is set in the above of fixed frame, the transmission component includes multiple thread sleeve ring, the upper surface of fixed frame is rotatably connected with multiple telescopic transmission shafts by bearing isometric angle, installation component is set in the lower end of thread sleeve ring, the installation component includes multiple mounting ring.In the utility model, the force of rotating handle is transmitted to multiple batch head by multiple telescopic transmission shafts, so that multiple batch head rotates with the same force, multiple screws are clamped in the inside of mounting ring, the screw cap of batch head and screw is inserted, so that it is convenient to install and fasten multiple screws with the same force simultaneously, improve the installation efficiency of screw, and simultaneously reduce the uneven stress condition of multiple screws fastening.

The utility model belongs to the technical field of cane sugar manufacturing equipment, and particularly discloses a stable and reliable rotary type automatic slagging-off machine, which is characterized in that a bearing bracket is fixed at the upper end of a bagasse conveying port and is provided with a driving mechanism for driving a bracket girder to do pitching motion, one end of the bracket girder is hinged with the lower part of the bearing bracket, and the other end of the bracket girder extends outwards; the gear motor is fixed on the extension section of the bracket girder; two hollow square pipes are arranged on the two sides of the support girder in the extending direction, and the connecting cross beam is transversely and fixedly arranged above the hollow square pipes. A plurality of rake tooth shafts are transversely arranged on the support girder in the length direction, the two ends of each rake tooth shaft rotationally penetrate through the inner side wall of the hollow square pipe, the chain wheels and the rake tooth shafts in the hollow square pipe are coaxially fixed, a main chain wheel is fixed to an output shaft of the gear motor, and the chain links the main chain wheel with the chain wheels and links the adjacent chain wheels. And a plurality of rows of rake teeth are uniformly distributed on the surface of the rake tooth shaft on the inner sides of the two hollow square pipes along the circumferential direction. The slag skimming device has the characteristics of simple structure, small slag skimming vibration, high efficiency, low failure rate and large slag skimming range.

The application discloses a compound fertilizer raw material weighing device and relates to the fertilizer weighing technical field.The device comprises a supporting frame, a transmission plate, a clamping mechanism and a hanging mechanism, and the transmission plate, the clamping mechanism and the hanging mechanism are arranged in the supporting frame.The supporting frame comprises a top plate which is arranged in parallel with the transmission plate, the top plate is provided with a first communication hole which is connected with an external connecting pipe in communication, the bottom end surface of the top plate is fixedly provided with a lifting mechanism, and the extending end of the lifting mechanism is fixedly connected with the transmission plate.The device integrates key components in a unified frame, disperses radial force, avoids shelf deformation, guarantees the precision and stability of the cylinder and eliminates the risk of equipment damage.Meanwhile, the device is suitable for various ton bags, clamps and fixes small connecting ports, saves the cost of additional connecting parts, prevents raw material leakage, and provides a stable, efficient, safe and low-cost special platform for compound fertilizer weighing operation.

The compression roller structure comprises a core shaft roller and an elastic roller, the core shaft roller comprises a main body part and installation parts which are connected with each other, the installation parts are arranged at the two ends of the main body part and used for being connected with a driving piece of the coating machine, the elastic roller is arranged on the main body part in a sleeved mode, and meanwhile the elastic roller is arranged on the main body part in the axis direction of the core shaft roller. The ratio of the length W1 of the core shaft roller to the length W2 of the elastic roller is K, and K is larger than or equal to 1.5 and smaller than or equal to 4.