521results about How to "Avoid skidding" patented technology

The invention discloses a novel agricultural machine fertilizer box. The novel agricultural machine fertilizer box comprises a fertilizer box body, supporting rods are arranged at two sides of the fertilizer box body, grooves are arranged in two sides of the fertilizer box body, the tops and the bottoms of the grooves are fixedly connected with first slide rails, the inner walls of the two first slide rails are in sliding connection with first slide blocks, clamping blocks are fixedly connected between the two first slide blocks, and one sides, far from the supporting rods, of the clamping blocks, are fixedly connected with first springs. The mutual cooperation of the supporting rods, the grooves, the first slide rails, spacing blocks, the first slide blocks, the clamping blocks, chutes, clamping grooves, second slide rails, second slide blocks, pushing rods, bearing rods, spacing plates, connecting blocks, handles, the first springs and second springs solves the problem of inconvenient dismounting in the dismounting process, so a large amount of manpower of a dismounting person is saved, thereby the box can be conveniently used by a user.

The invention discloses a straightening device for eliminating bending and distortion of an aluminum profile, relates to the related field of aluminum profile straightening, and aims to solve the problems that for an aluminum profile with large bending degree, the feeding position slips and the bending position is stressed to be prone to generating breaking cracks in an existing straightening device. A worktable top is arranged at the upper end of a worktable; a first supporting vertical plate is fixedly connected to the rear end of one side of the upper end of the worktable top; a first rectangular long groove is formed in the first supporting vertical plate; an overturning unit is arranged on one side of the front end of the first supporting vertical plate and comprises a sliding motor,a rotating screw rod and a sliding block; a rotating motor and a speed reducer are installed on one side of the middle of the sliding block, and a turntable is installed on the other side of the middle of the sliding block; an inner driving box is arranged on one side, away from the sliding block, of the turntable; rotating connecting rods are arranged at the upper end and lower end of the front end and rear end of the inner driving box; and rotating blocks are arranged on one sides, away from the inner driving box, of the rotating connecting rods.

The invention discloses a circuit board that is easy for users to disassemble, comprising a circuit board body, the top and bottom of the right side of the circuit board body are fixedly connected with hollow rods, and the right side of the circuit board body is provided with a placement plate, The side of the hollow rod away from the circuit board body penetrates to the right side of the placement board, and the surface of the placement board is provided with a first through hole for use with the hollow rod, and the top and bottom of the right side of the placement board are provided with chute. The present invention is provided with a hollow rod, a chute, a first slider, a pull rod, a baffle, a tension spring, a first clamping rod, a clamping groove, a connecting plate, a handle, a limit plate, a second clamping rod, a second sliding block, The mutual cooperation of the slide rail and the spring solves the problem that the existing circuit board is not easy to disassemble. When the circuit board is damaged and needs to be replaced, the disassembly process is simple, which saves a lot of time for the user, facilitates the use of the user, and improves the The practicality of the circuit board is suitable for promotion.

The invention relates to an anti-skid front wheel driving control system for a rubber-tyred paver, comprising a first detector, a second detector, a third detector and a control device. The first detector is used for detecting the working travel speed of the rubber-tyred paver; the second detector is used for detecting the steering angle of the rubber-tyred paver; the third detector is used for detecting the load pressure of the rubber-tyred paver; and the controller respectively receives signals from the first detector, the second detector and the third detector, generates and compares a first pre-output value, a second pre-output value and a third pre-output value and outputs the maximum pre-output value as the final output value to a front wheel driving hydraulic circuit of the rubber-tyred paver. Besides, the invention also relates to a rubber-tyred paver provided with the front wheel driving control system of the type and a method of the front wheel driving control system for controlling anti-skid of the rubber-tyred paver.

The invention discloses an electrical cabinet for the electromechanical equipment and facilitating movement. The electrical cabinet includes an electrical cabinet body; a bottom surface of the electrical cabinet body is fixedly connected with a base; two symmetrical through grooves are formed in the bottom surface of the base; a cavity is formed in the interior of the base; an inner bottom wall ofthe cavity is fixedly connected with two symmetrical sleeves; the inner bottom wall of the cavity is fixedly embedded with a second bearing; and lifting plates are arranged in the sleeves. Accordingto the electrical cabinet for the electromechanical equipment and facilitating movement, a motor, a first bearing, the second bearing, a screw ring, a movable plate, lifting rods, pulley grooves, pulley rods, pulleys and the through grooves match each other, so that the pulleys can be moved down to the bottom surface of the base, the pulley can be moved up to the interior of the base when the electrical cabinet is moved to a designated working place, thereby achieving the effect of facilitating movement; the trouble of moving the existing electrical cabinets in the market can be avoided, and the problem that the existing electrical cabinets are difficult to promote can be solved.

The invention discloses a rolling distance adjustable roller flour mill. The rolling distance adjustable roller flour mill comprises a lifting device and a carrier plate. The upper end of the carrierplate is fixedly connected to a casing. The upper end of the casing is fixedly connected to a feeding port. The inner wall of the casing is provided with a first sliding slot. A first sliding block isslidably connected to the interior of the first sliding slot. The side of the first sliding block is provided with a groove. A first nut is fixedly connected to the interior of the groove. The innerwall of the casing is fixedly connected to a first motor. An output shaft of the first motor is fixedly connected to a first threaded rod. The first threaded rod fits to the first nut. The inner wall,symmetrical with the first sliding slot, of the casing is provided with a second sliding slot. A second sliding block is slidably connected to the interior of the second sliding slot. The rolling distance adjustable roller flour mill realizes rolling distance adjustment, can produce powder with different particle sizes, and utilizes a tooth plate to replace teeth of a round roller so that disassembly and replacement are convenient.

The invention relates to the technical field of glass curtain wall cleaning, and discloses a vacuum adsorption type building glass curtain wall cleaning machine. The machine includes a body, a first cavity, a second cavity, a cleaning tank, a wiping tank, a cleaning mechanism, a conveying mechanism, a vacuum suction mechanism, two fixed tanks and a water tank, wherein the first cavity is arrangedat the top of the body interior, the second cavity is arranged at the bottom of the body interior, and the first cavity is positioned directly above the second cavity, the cleaning tank is arranged atthe right end of the body bottom, and the wiping tank is arranged at the left end of the body bottom. As that track of the invention move on the surface of the glass curtain wall, so that suction cups close to the glass curtain wall are blocked, The suction cup is adsorbed on the surface of the glass curtain wall in a sealed state, and the permanent magnet block is magnetically attracted by the magnet plate, the permanent magnet block moves upward close to the magnet plate, drives the piston to move upward, and reduces the air pressure inside the suction cup, so that the machine body is firmly adsorbed on the surface of the glass curtain wall, and the stability of the machine body is ensured when the machine body moves.

The invention discloses a placing frame for a fire extinguisher, which comprises a bearing rod. Both sides of the bearing rod are sequentially provided with a card groove and a slide groove from top to bottom. The inner wall of the slide groove is slidably connected with a slide block, and the slide block The side away from the inner wall of the chute is fixedly connected with a connecting block, the top of the connecting block is fixedly connected with a bracket, the inner cavity of the bracket is provided with a sleeve, and the two ends of the sleeve communicate with the outer walls on both sides of the bracket respectively. The present invention is provided with bearing bar, chute, slider, connection block, bracket, slot, casing, slide rail, limit plate, limit block, support plate, clamp rod, connection plate, handle, support rod, limit The mutual cooperation of the position ring body, the bearing plate and the spring solves the problem that the position limit ring on the existing shelf does not have the function of adjusting the height, and avoids that the height of the limit ring cannot be adjusted according to the height of the fire extinguisher when placing the fire extinguisher. The condition of the adjustment, so that the placement of the fire extinguisher is more stable.

The invention discloses an infusion support with the adjustable height. The infusion support comprises a hollow rod, an inner cavity of the hollow rod is provided with a supporting rod, the top of thesupporting rod penetrates through the top of the hollow rod and is fixedly connected with a fixing plate, hooks are welded to the two sides of the bottom of the fixing plate, the two sides of the inner cavity of the hollow rod are each provided with a clamping groove, and hollow blocks are fixedly connected to the bottom of the supporting rod. By arranging the hollow rod, the supporting rod, thefixing plate, the hooks, the clamping grooves, the hollow block, a baffle, a stretchable rod, a sliding rail, a first sliding block, a spring, a clamping block, a bearing plate, a sliding groove, a second sliding block, a push plate and a push rod for cooperation, the problem that the height of an existing infusion support is not adjustable is solved, when the infusion support is in use, the height of the infusion support can be lowered, then, the infusion support is heightened after an infusion bottle is suspended, and therefore the phenomenon that due to the fact that some nurses are not tall enough, the infusion bottle needs to be suspended by means of other objects is avoided.

The invention discloses a bearing clamping device which is convenient for size replacement, which comprises a snap ring. The top and bottom of the card slot are fixedly connected with first slide rails, the top and bottom of the first card slot are provided with a second card slot, the right side of the first card slot is provided with a card bar, and the card bar The left side penetrates to the inner wall of the first card slot. In the present invention, the first clamping groove, the first sliding rail, the second clamping groove, the clamping rod, the hollow block, the second sliding rail, the first sliding block, the limit block, the connecting rod, the push handle, the first spring, and the clamping block are arranged. , the hollow rod, the chute, the second slider, the support plate, the second spring, the push rod, the connection plate and the handle cooperate with each other, which solves the problem that the existing bearing grinding and clamping device is inconvenient to change the size, and avoids the problem of changing the size of the existing bearing grinding and clamping device. The cumbersome situation of the replacement process when grinding the inner rings of bearings of different sizes.

The invention discloses a tree annual ring sample polishing device by using cutters and convex surface type grinding wheel phased scraping. The device is structurally comprises a bi-directional motor,an intelligent flat grinding device, a fixing base, a bottom base and a motor set, wherein the motor set is located on the upper side end face of the bottom base and is movably connected with the bottom base at the same time, thus driving a gear frame in the lower part through the rotation of the gear is achieved, so that a sliding block on tooth grooves are stressed to be meshed on the sliding frame to realize stable displacement, manual pressing dynamic displacement running-in is replaced, and the slippage displacement of the equipment can be reduced; meanwhile, through the flattening of ascraping frame at the front end and the arc-shaped structure of a grinding wheel frame, the structures of bulges can be scraped in advance during displacement, and wood is polished in a layering modewith a arc-shaped structure, so that polishing work can be better and more quickly carried out on the wood, and finally, the negative pressure generated through compression caused by pulling an air bag inside a telescopic frame when displacement is carried out is used for attracting sawdust generated by the polishing, and the working environment is not influenced.

The invention discloses a strength analysis method and magnitude of interference analysis method of main bearing and shaft sleeve in wind turbine generator. The strength analysis method comprises the steps of 1, setting up an analytical model based on finite element modeling; 2, establishing interference fit and contact relations and simulating boundary conditions of bearing bush to arrange contact boundaries of the analytical model; 3, inflicting load and constrained boundaries and making finite element analysis to draw stress of bearing bush under load effect and contact state with main bearing and analyze strength of bearing bush of main bearing by the drawn stress and contact state; the analytical method of magnitude of interference analyzes strength of bearing bush and judges interference fit relations between bearing bush and main bearing based on analytical result of strength of bearing bush. If interference fit relations are not fulfilled in judgment, magnitude of interference shall be adjusted till interference fit relations are fulfilled and best magnitude of interference is output. The analytical methods of strength and magnitude of interference of bearing bush of main bearing in the wind turbine generator set has easy methods of realization and advantages of truthful reflection of stress of bearing bush, high analytical precision, reasonable design of magnitude of interference and so on.

The invention discloses an intelligent meal delivery robot. The intelligent meal delivery robot comprises a robot body, a head, a central processing unit, an automatic navigation system, a depth visual system, an LED display screen, a voice module, an obstacle avoidance module and a braking module, wherein the automatic navigation system, the depth visual system, the LED screen, the voice module,the obstacle avoidance module and the braking module are connected with the central processing unit and are controlled by the central processing unit. According to the intelligent meal delivery robot,food delivery can be achieved for a long time through the robot, and dish introduction for customers and online payment by the customers can be achieved through the robot, so that the seat occupancyrate of dining tables is improved, and the benefit is increased; and food delivery actions do not need to be achieved according to a fixed guide rail, higher autonomous convenience and fastness are achieved, and the meal delivery requirements of the different dining tables can be met through lifting connecting rods.

The invention discloses an all-terrain surface adaptive relief vehicle comprising a frame (10), four suspensions, and a control system. The suspensions the same in structure are symmetrically disposed on two sides of the frame. Every suspension set is hinged to the frame. The suspensions can freely rotate with certain degrees of freedom in a model machine longitudinal plane. The included angles between the suspensions and the frame change with changes in terrains, so that the function of contour adapting in the longitudinal plane is achieved. After disasters such as an earthquake occur, complex geographical environments and damage to roads thereby severely affect relief work; in order to focus on the limitation, the vehicle providing conveniences for work in the complex disaster sites is designed, and a powerful tool is provided for rescue and relief work and post-disaster reconstruction.

The present invention provides an automatic guided vehicle for traveling on a floor, the vehicle comprising a vehicle body, at least one drive wheel module, at least three auxiliary wheel modules, and an adjustment module. The drive wheel module is provided in the vehicle body. The auxiliary wheel modules are freely pivotally connected to the vehicle body. The adjustment module is assembled between the body and the drive wheel module to adjust the frictional force of the drive wheel module relative to the ground. Therefore, the automatic guided vehicle changes the friction force of the drive wheel module relative to the ground by adjusting the module, and allows the automatic guided vehicle to maintain the tracking force of the drive wheel module while facing a rough surface, Wheel module slip can be prevented, and all kinds of terrain or terrain adaptability of the automatic guided car.

A mold table driving device with an air bag is applied to a precast concrete component flow production line and comprises a motor, a speed reducer, a rubber wheel, a speed reducer bottom plate, two sets of gasket nuts, the air bag, a stud, a support, a hinge pin and a sensor. The motor is directly connected with the speed reducer, the rubber wheel is assembled to an output shaft of the speed reducer, the speed reducer bottom plate is connected with the support through the hinge pin, and the air bag is installed between the speed reducer bottom plate and the support and connected with the speed reducer bottom plate and the support. The stud is welded to the support and provided with the gasket nuts, and the gasket nuts are installed at the proper positions above and below the speed reducer bottom plate respectively. The sensor is installed on the support. The mold table driving device is simple and reliable, overcomes the shortcoming of slip failure of a friction wheel, guarantees stable, continuous and low-noise conveying of a mold table and can ascend or descend according to the process needs.

The invention discloses a device for batching a gray fabric of a loom. The device is characterized in that the device includes a machine base (2) arranged outside the loom, a batching mechanism arranged on the machine base (2) and a transmission mechanism for connecting the loom (1) with a batching mechanism, the transmission mechanism is a multi-stage chain transmission mechanism, and the transmission mechanism is connected with an original loom batching taker (7) on the loom. The device for batching the gray fabric of the loom has the advantages of simple structure, convenient, safe and reliable operation, low equipment failure rate and low cost; a driving shaft is capable of producing a batch, thereby reducing the number of fittings during the post processing of finished products.

The invention discloses a rail grinding device for rail transit, which comprises a polishing mechanism, two sides of the polishing mechanism are fixedly installed with mounting brackets, a pulley is fixedly installed on one side of the mounting bracket away from the polishing mechanism, a first push rod and a second push rod are fixedly installed on the tops of the two mounting brackets, and a pusher is arranged on the top of the polishing mechanism. As that pulley is arranged, the first push rod, the second push rod, the push hand, the mounting bracket, a vacuum hood, a fixing rod, a vacuum line, a support plate, a blower, a dust inlet pipe, a water tank, a dust pipe, a water feeding pipe, a water outlet pipe, a control valve, a air guide plate and a limiting clasp are mutually matched, and the problem that the existing polishing device does not have the dust removing function is solved. The polishing device can collect the dust and rust ash generated when the polishing device is used, thereby avoiding the air pollution caused by the dust and rust ash and causing damage to the health of the operator.