10results about How to "Reduce surprises" patented technology

This utility model discloses a concrete strength testing device, including a testing platform. Two clamping frames are arranged above the testing platform, and a moving mechanism is provided between the testing platform and the two clamping frames. A fixed cover is fixedly connected to the top of the testing platform, and an electric push rod is fixedly installed on the top of the fixed cover. A lifting platform is fixedly connected to the output end of the electric push rod, and the testing instrument body is fixedly connected to the bottom of the lifting platform. A dust suppression mechanism is provided on the testing platform. The moving mechanism includes a fixed groove on the testing platform and a motor on one side of the top of the testing platform. In this utility model, the moving mechanism can drive the two clamping frames to move stably closer to each other, thereby achieving a stable clamping and fixing of the concrete sample. This ensures the stability of the concrete sample during testing, provides a stable structural positioning, and reduces the likelihood of loosening, thus minimizing the occurrence of accidents.

The utility model provides a kind of prefabricated leakage orifice mould for prefabricated T beam, it is related to a kind of prefabricated leakage orifice mould technical field for prefabricated T beam, including leakage orifice mould body, the upper portion of leakage orifice mould body is provided with lifting frame, lifting frame rests on the both sides mode of prefabricated T beam, the downward fixed connection of lifting frame is opposite the boom of the position of leakage orifice mould body, the lower end of boom is provided with connecting mechanism, the top of leakage orifice mould body is fixedly connected with inverted U type pull rod, and the connecting mechanism is detachably fixedly connected to pull rod.The utility model is by setting detachable connecting mechanism, the installation of leakage orifice mould body can be conveniently disassembled, lifting frame is used, the vertical position of leakage orifice mould body can be accurately positioned, and leakage orifice mould body is lifted after pouring and is removed, save time and labour, avoid damaging leakage orifice inner surface.

The utility model discloses an auxiliary tool for dismounting and mounting an air conditioner of a metro vehicle, which comprises a protective cover, an air inlet pipe, an air outlet pipe and an air outlet pipe, the oil injection device comprises an oil storage barrel, a barrel cover, an injection barrel, a piston rod, an annular pipe, two oil pipes and a driving device, the barrel cover is detachably arranged on the oil storage barrel, the oil storage barrel, the injection barrel and the annular pipe are all arranged on the protective cover, one oil pipe is connected with the oil storage barrel and the injection barrel, and the other oil pipe is connected with the injection barrel and the annular pipe; the driving device is used for enabling one end of the piston rod to move back and forth in the injection cylinder; the locking device is used for fixing the sleeve arranged on the electric screwdriver in a sleeving mode. According to the electric screw driver, in the dismounting operation process of the electric screw driver on the bolt and the nut, the bolt and the nut can be lubricated synchronously, friction resistance is reduced, abrasion of the bolt and the nut can be reduced, the dismounting process is smoother, and dismounting efficiency is improved.

The application provides an adjustable ureteral sheath, which comprises a supporting piece, a Y-shaped main body, a rotating mechanism, a guide sheath tube and an expansion mechanism; the Y-shaped main body comprises a first connecting port and a second connecting port, and the second connecting port is used for connecting a vacuum device; the expansion mechanism comprises an expander seat and an expander tube body, the expander seat is arranged on the first connecting port, and the supporting piece wraps the expander seat; the guide sheath tube wraps the expander tube body; the rotating mechanism comprises a rotating handle, a cam ring and a steel wire, the rotating handle is arranged on the cam ring, one end of the steel wire is arranged on the cam ring, the other end of the steel wire is arranged on the guide sheath tube, and the cam ring is arranged on the supporting piece. Through the rotating mechanism, the ureteral sheath can be adjusted and positioned, a stable channel is established, and an endoscope or a surgical instrument can conveniently enter and exit a lesion position.

This application provides a vehicle control method, device, equipment, and storage medium, relating to the field of automatic control. The method includes: acquiring the actual steering torque applied by the driver to the steering wheel and the theoretical steering torque corresponding to the steering wheel angle information; when the difference between the actual and theoretical steering torques is greater than a preset difference, determining an assist coefficient based on the actual and theoretical steering torques, the assist coefficient being used to characterize the intensity of steering assistance provided by the vehicle's power steering system; determining the vehicle's steering compensation coefficient based on a preset curve showing the correspondence between the steering compensation coefficient and the assist coefficient, and the assist coefficient; determining the vehicle's target driving force based on the steering compensation coefficient; and controlling the vehicle's steering based on the target driving force. This allows the vehicle to promptly steer to the driver's desired angle even when the steering system loses steering assistance, reducing accidents caused by untimely vehicle steering and contributing to improved driving safety.

The utility model discloses a pressure relief device for a transformer, which relates to the technical field of pressure relief devices and comprises an oil tank, two support frames are fixedly mounted at the bottom of the oil tank, two connecting plates are fixedly mounted at the top of the oil tank, and a connecting box is fixedly mounted on the close surfaces of the two connecting plates. An air inlet pipe is fixedly installed at the bottom of the connecting box, the air inlet pipe is communicated with the oil tank, a rotating shaft is rotationally connected to one side of the inner wall of the connecting box, and an impeller is fixedly installed on the outer wall of the rotating shaft. Through meshing connection between a second bevel gear and a first bevel gear, when the first bevel gear rotates, the second bevel gear can be driven to rotate, so that a connecting shaft rotates, then a screw rod rotates, and through threaded connection between a sliding block and the screw rod, the sliding block can move up and down when the screw rod rotates; the sliding block moves upwards to drive the connecting rod to eject the baffle open.

The invention discloses an adjustable interventional ultrasound comprehensive operating bed in the technical field of operating beds. The operating bed comprises a base, a supporting disc is arranged at the bottom of the base, a hydraulic supporting rod is fixedly connected to the top of the supporting disc, and a bed body is fixedly connected to the top of the hydraulic supporting rod; the bed body comprises a first bed body, a second bed body and a third bed body; grooves are formed in the tops of the first bed body and the second bed body, lifting plates are arranged in the grooves, extension plates are arranged on the sides, close to the second bed body, of the lifting plates, first motors are fixedly connected to one sides of the extension plates, and the first motors are in signal connection with a controller; the bottom of the first bed body is fixedly connected with an L-shaped supporting seat, the top of the supporting seat is provided with a color ultrasound host, the color ultrasound host is detachably connected to the top of the supporting seat, one side of the second bed body is fixedly connected with an operation panel, and the operation panel is in signal connection with the controller. The device is simple in structure, flexible lifting of the head and the legs of a patient is achieved, and a doctor can conveniently and directly adjust ultrasonic operation parameters on the operation panel.

The utility model discloses an electric bottle opener which comprises an outer shell, a switch assembly, a bottle opening sleeve, a limiting sleeve and a limiting switch sliding plate, the switch assembly is installed on the side wall of the outer shell, two switch contacts are fixedly installed in the outer shell, and the two switch contacts correspond to the switch assembly. A motor, a gear box assembly and a spiral hook are sequentially installed in the outer shell, a bottle opening sleeve is movably arranged in the outer shell and located outside the spiral hook in a sleeving mode, a limiting sleeve is movably connected outside the gear box assembly, the bottle opening sleeve can jack up the limiting sleeve after moving upwards along with a bottle plug, and the limiting sleeve is fixedly connected with the bottom end of a limiting switch sliding plate. The top end of the limit switch sliding plate is arranged between the switch assembly and the switch contact, the limit switch sliding plate is provided with a receding hole, the receding hole corresponds to the switch contact, and a return spring is connected between the limit switch sliding plate and the switch assembly. According to the bottle opener, the function of limiting shutdown can be achieved, the bottle opening process is more convenient and efficient, and the use experience of a user is improved.

The utility model discloses an explosion-proof detection device for fixed-point detection, which belongs to the technical field of explosion-proof detection and comprises a detection bin, a pair of guide rails are fixedly connected below the detection bin, and a bin door is clamped at the front end of the detection bin. A pair of hydraulic cylinders is movably connected to the upper portion of the interior of the detection bin, a supporting plate is fixedly connected to the inner side of the bin door, a pair of rolling wheels is fixedly connected to the bottom face of the supporting plate, a limiting mechanism is arranged on the top face of the supporting plate, and adjusting motors are fixedly connected to the two sides of the supporting plate. According to the explosion-proof detection device, equipment can be carried and supported, the equipment carrying difficulty is reduced, the explosion-proof detection work efficiency is improved, the limiting assembly is arranged, the equipment can be rapidly limited and fixed, the stability of the equipment in the moving process is guaranteed, and accidents are reduced.

The utility model relates to the technical field of building construction, and disclose a kind of assembled wood structure integrated floor connecting device, including bearing inclined beam, bearing inclined beam middle portion both sides are equipped with connecting beam, the top surface of two connecting beams is equipped with multiple splicing grooves, bearing inclined beam and connecting beam between multiple connecting piece frames are threadedly connected, in the utility model, through the mutual interference of the interference bevel of swing limiting plate and bevel interference block, the instant limiting of top cut-inclined state floor is realized, when floor slides due to gravity, can respond quickly and form stable constraint, avoid its from splicing groove and floor splicing groove, compared with the problem of lacking effective limiting, floor easy to slip in traditional connecting mode, the mechanism fundamentally eliminates construction safety hazard, while guaranteeing the initial stability of structure connection, without additional temporary fixing by artificial, improves construction safety and efficiency, make construction process more smooth, reduce the occurrence of unexpected situation.