38results about How to "Prevent bobbing" patented technology

The invention relates to a horizontal band-saw cutter and is characterized in that a cutting arrangement is inlaid between a front base and a rear base. Two saw wheels which are arranged in the same horizontal position are arranged inside the cutting arrangement. The two saw wheels are connected together via a band-saw blade. A front bench base and a rear bench base are respectively arranged on the front base and the rear base which are mounted on both sides of the cutting arrangement. A sliding before-feeding bench and a sliding after-feeding bench are respectively arranged on the front bench base and the rear bench base. A working face with saw blades and the after-feeding bench are kept to the same level. A column used for the lifting of a transfer arrangement is arranged on an undercarriage, and the transfer arrangement is arranged on the column used for the lifting of the transfer arrangement. The cutting device which is inlaid between a front bench and a rear bench is capable ofbeing regulated and generating the best machining precision and speed according to the different widthes of saw blades and the rigidities of the machining objects, guaranteeing that the sawing cross section is flat and smooth, largely promoting the safety of using and the deep-sawing quality of the product, reducing the spillage of materials and requirements of process technology and labor of professional personnel. Further, the invention is convenient to debug, and the manufacture cost is low.

The invention provides a building steel structure connection device and a connection structure, which belong to the field of construction engineering. The building steel structure connecting device includes a center sleeve, a first clip body, a second clip body, a driving device and a clamping device. The first clamping body is fixed on the outer side of the central sleeve, and the first clamping body includes a base, a first clamping part and a second clamping part, and both the first clamping part and the second clamping part are connected to the base. The second clamping body is movably arranged on the outside of the center sleeve, and the second clamping body is provided with an extruding part. The driving device can drive the second clamping body to move towards the direction close to the first clamping body, so that the extrusion part presses the first clamping part and the second clamping part, so that the first clamping part and the second clamping part are mutually near. The clamping device includes an executive part, which is movably connected with the central sleeve, and the executive part has a clamping end, and the distance between the clamping end and the base is adjustable. The connection device can limit the swing of the beam relative to the column in two directions, and the beam and the column have good firmness after being connected through the connection device.

The invention relates to edge grinding equipment, in particular to edge grinding equipment for metal product production. Therefore, the technical problem of the invention is that the metal product edge grinding efficiency is high and the edge grinding equipment for the production of the metal product is high in safety during grinding is provided. According to the technical scheme, the edge grinding equipment for producing the metal products comprises a bottom plate and a first motor, a first screw rod, a first nut, a first sliding rail, a first sliding block and the like; a first motor is connected to the middle of the top of the bottom plate, the output shaft on the upper side of the first motor is connected with a first screw rod, a first nut is screwed on the first screw rod, the left side and the right side of the top of the bottom plate are all connected with the first sliding rails, and the first sliding rails are all provided with a first sliding block in a sliding mode. According to edge grinding equipment, the beneficial effects of high edge grinding efficiency of metal products and high safety during edge grinding are achieved, the first trapezoid grinding stone and the second trapezoid grinding stone are arranged between the first trapezoid grinding stone and the second trapezoid grinding stone, so that the equipment can be used for grinding all the parts of the metal product at the same time.

The invention relates to the technical field of aluminum alloy profiles, and discloses a cutting and fixing device for aluminum alloy profiles, including a conveying part, a boosting part, a cutting part, a fixing part, a cooling part and a bearing part, and the conveying part is arranged between the boosting part and the supporting part. In the middle of the cutting part, the boosting part is arranged on one side of the conveying part, the cutting part is arranged on the other side of the conveying part, and the cutting part and the boosting part correspond to each other, and the fixing part is arranged on the cutting part. The top of the component, the cooling component is set on the top of the cutting component, and the cooling component is located on the side of the fixed component, and the bearing component is set on the side of the cutting component, which can be used according to the needs of the operator for the aluminum alloy profile The cutting angle can be adjusted to make the operation easier and more convenient.

The invention discloses a sliding type monorail crane turnout system for mines, belonging to the technical field of mine equipment. The sliding type monorail crane turnout system comprises a frame assembly, a slide track assembly and a hydraulic cylinder, wherein the slide track assembly is connected with the frame assembly through a wheel set; the wheel set can slide inside the frame assembly freely; a hydraulic cylinder flange is fixedly connected with a hydraulic cylinder connecting flange in the frame assembly; and a piston rod is connected with the slide track assembly through a hinge pin. The sliding type monorail crane turnout system is stable in structure and convenient to operate, potential safety hazards of a monorail crane locomotive are avoided, and the abrasion to wheels is reduced; and meanwhile the remote control is realized, and requirements of mines are met.

The invention discloses a machine integrating pesticide spraying and rice seedling transplanting. The machine comprises a rice seedling transplanting device and a pesticide spraying device, the pesticide spraying device is arranged on a rack of the rice seedling transplanting device, the pesticide spraying device comprises pesticide barrels, booster pumps and spray nozzles, a cab is arranged in the middle of the rack, the pesticide barrels are placed at the two sides behind the cab respectively, a support is arranged at the front end of the rack, the support is divided into three segments, one ends of a first segment and a third segment are each provided with a hook, the six or more booster pumps are evenly arranged on the support, one end of each booster pump is connected with the corresponding pesticide barrel through a water pipe, and the other end of each booster pump is connected with the corresponding spray nozzles through a water pipe. According to the machine, the original primary structure of a rice transplanter is utilized, and the pesticide spraying device is added, so that the effect that the single machine is used for double purposes is achieved; the functions of the multiple pumps are utilized, the scientization of pesticide spraying is achieved, repeated pesticide spraying is avoided, missed pesticide spraying is prevented, and the prevention and treatment effect is improved; the problem that the rice transplanter is low in use efficiency is effectively solved, and meanwhile the machinery cost for pesticide spraying and prevention and treatment is saved; the labor efficiency is greatly improved, and the main point is that the pesticide spraying efficiency is improved.

The invention relates to a flexible squeegee for an intelligent cleaning device, comprising a front rubber strip, a rear rubber strip, a squeegee body and a water suction pipe, the front rubber strip and the rear rubber strip are respectively arranged on the front and rear sides of the squeegee body, and the squeegee body It is installed under the rear side of the chassis of the intelligent cleaning device, and is connected with the chassis through a floating structure. The bottom of the squeegee body is opened. The bottom of the squeegee body is equipped with multiple universal wheels, and the squeegee body can move up and down through the floating structure. , the lower end of the water suction pipe extends into the body of the squeegee, and the upper end communicates with the water inlet of the external water suction motor. The flexible squeegee of the present invention can adjust the height and posture of the squeegee adaptively when the intelligent cleaning device passes through uneven ground by setting a floating structure, which can not only ensure that the squeegee can be well attached to different road surfaces It can also effectively reduce the wear of the front rubber strip and the rear rubber strip, and reduce the maintenance cost of the intelligent cleaning device.

The invention relates to the technical field of sports, in particular to a sports physical training device which comprises a base, a rubber pad and a threaded mechanism, a plurality of mounting holes are formed in the base, a stand column is arranged on one side of the top of the base, the stand column is connected with one end of a mounting block through the threaded mechanism, and the other end of the mounting block is connected with the rubber pad. The other end of the installation block is connected with one end of the fitness spring, the other end of the fitness spring is connected with one end of the sliding block, a rectangular hole is formed in the sliding block, a long rod is arranged in the fitness spring, one end of the long rod is connected with the other end of the installation block, and the other end of the long rod penetrates through the rectangular hole. The other end of the long rod is connected with one end of the limiting block, a sliding groove is formed in the top of the base, and an electric sliding block is arranged on the sliding groove.

The invention relates to an automatic telescopic pedal assembly and a vehicle using the same. The automatic telescopic pedal assembly comprises a pedal, a transmission shaft arranged under the pedal, a gear fixed to the transmission shaft, and a rack which is fixed to the bottom face of the pedal and meshes with the gear. The transmission shaft is further provided with at least one rolling body support part. The lower surface of the pedal is provided with a support face in rolling fit with the rolling body support part. During usage, the rolling body support part achieves a support function on the pedal, so that damage caused by too large loads of the gear and the rack is avoided, meanwhile, the abrasion speed of the gear and the rack is reduced, and the service life of the automatic telescopic pedal assembly is prolonged.