31results about How to "Easy to switch and adjust" patented technology

The invention discloses a split type primary collimator. The split type primary collimator comprises a fixing part possessing a first through hole and a movable part possessing a plurality of second through holes, the first through hole and the second through hole match with each other, and are combined to form a beam limiting hole through which a ray beam passes. The split type primary collimator provided by the invention is divided into an upper-half fixing part and a lower-half movable part, the upper-half fixing part of the primary collimator is universal and matches different lower-half movable parts, so that the different requirements for the primary collimator and for flattening filtering the ray beam are satisfied at treatment, and accordingly, the shielding effect can be improved substantially, the manufacture materials are saved, and the primary collimator is easy to adjust and switch to support different radiotherapy modes.

The invention discloses a high-efficiency wood cutting machine and cutting method for construction engineering, which includes a hanger, a hoisting device, a positioning and clamping device, a side plate, a cutting device, a feeding device and a feeding device, and the feeding device Set on the right side, the feeding device is next to the left end of the feeding device and set on the lower side, a hoisting device is installed in the center of the hanger, and a positioning and clamping device is installed in the hoisting device. The wood in the feeding device is positioned, clamped and hoisted. The lower ends of the left and right side end plates of the hanger are fixed with horizontally arranged side plates and are located at the front end of the hoisting device. The side plates are equipped with left and right lateral movement The cutting device cuts the wood fixed in the positioning and clamping device, and the conveying device outputs the cut wood.

The invention discloses a spray gun. The spray gun comprises a spray gun body and an adjusting valve, wherein the spray gun body is provided with an air inlet flow channel, a first air outlet flow channel, a second air outlet flow channel and a mounting hole, and the mounting hole communicates with the air inlet flow channel, the first air outlet flow channel and the second air outlet flow channel; the adjusting valve is installed on the spray gun body and is located at the mounting hole, the adjusting valve comprises a first operation piece and a second operation piece, the first operation piece is used for moving the position relative to the spray gun body so as to adjust the flow of the air inlet flow channels or / and the first air outlet flow channel, the second operation piece is movably installed on the first operation piece and corresponds to the second air outlet flow channel to be used for adjust the flow of the second air outlet flow channel, so that the convenience of the operation of the spray gun is improved.

The invention discloses a novel wide-necked two-way valve with a mechanical sealing function. The novel wide-necked two-way valve comprises a feeding pipe and discharging pipes. The discharging pipescomprise the first discharging pipe and the second discharging pipe. One end of the first discharging pipe is connected with one end of the second discharging pipe in a crossed mode through inclined cuts, and an inclined circular connection port is formed. A triangular fixing support is arranged at the joint of the first discharging pipe and the second discharging pipe. The circular connection port is connected with the feeding pipe through a flange. A conical valve plug is arranged in the circular connection port. One end of the conical valve plug is arranged in a wide-necked way and is arranged in the circular connection port for being cooperatively used with the circular connection port. An elliptic hole which is cooperatively used with the inclined cuts for for enabling the feeding pipe to communicate with the discharging pipes is formed in the conical valve plug. The other end of the conical valve plug penetrates through the first discharging pipe and the second discharging pipe and is connected with a screw which is arranged on the triangular fixing support for rotating the conical valve plug. Through the conical valve plug, the passage conversion connecting mode of the feeding pipe and the discharging pipes is changed, the pressure an inlet pipe during passage conversion is decreased, passages are automatically switched through a motor, and thus operation is convenient.

The invention relates to a wearable sight simulation device for a moveable experiment animal, which comprises a device body and a supporting iron frame stage; the bottom end of the device body is provided with a copper screen, and the upper part of the copper screen is provided with a fixing cross rod; the outer end of the fixing cross rod is connected with a fixing nut, and the upper part of thefixing cross rod is fixed with a fixing tripod; the bottom end of the fixing tripod is equipped with a middle nut, the upper part of the fixing tripod is provided with a fixing base, and the front endof the top part of the fixing base is provided with a current input line fixing joint; the upper part of the current input line fixing joint is equipped with a current input connection line, left andright ends of the top part of the fixing base are provided with bearings. The wearable sight simulation device has the beneficial effects that the wearable sight simulation device for the moveable experiment animal is provided with the fixing base; through the current input line fixing joint, the current input connection line can be fixed; meanwhile, a light source fixing rod can be rotated through the bearing rotation, thus the light source fixing rod is convenient to adjust.

The invention discloses a bobbin fixing device for a knitting machine. The bobbin fixing device comprises a rectangular frame, wherein the outer wall of the top end of the rectangular frame is fixedlyequipped with a transverse plate through a bolt; the outer wall of the bottom end of the rectangular frame is fixedly equipped with a hollow shaft motor through a bolt; the outer wall of the top endof the transverse plate is fixedly equipped with a bearing rotary disc through a bolt; the outer wall of the top end of the bearing rotary disc is fixedly equipped with a first metal disc through a bolt; the output shaft of the hollow shaft motor passes through the outer wall of the top end of the transverse plate, and is fixed with the outer wall of the bottom end of the first metal disc througha bolt; a through hole is formed in the middle position of the outer wall of the top end of the first metal disc; and rotary blocks which are distributed in a ring-shaped mode at equal distance are arranged on the edge of the outer wall of the top end of the first metal disc. The bobbin fixing device can absorb and remove flying and dust in a workshop to avoid pollution on bobbins, so that qualityof knitted products is improved, expansion is convenient, and mounting and replacing for bobbins are convenient; and working efficiency is favorably improved, bobbins of different inner diameters areconveniently fixed, and the range of application of the device is increased.

The invention discloses a shelf and a refrigerator. The shelf is used in a storage cabinet and comprises a shelf plate, a connecting assembly and at least one baffle. The baffle is located on one side, in the thickness direction, of the shelf plate. The first end of the baffle is rotationally connected with the shelf plate through the connecting assembly. A rotating shaft, rotating relative to the shelf plate, of the baffle is parallel to the baffle face of the baffle. The two ends, used for being correspondingly connected with the two opposite inner side walls of the storage cabinet, of the shelf plate are located on the two sides of the rotating shaft. According to the technical scheme, the cost of the refrigerator is reduced, and the influence on the storage space of an inner container of the refrigerator is reduced.

The invention discloses a wafer carrying device which is characterized by comprising a base and a first height adjusting device, wherein a first groove is arranged on the upper surface of the base; a movable first table disc is installed in the first groove; the first height adjusting device can adjust the relative height between the upper surface of the first table disc and the upper surface of the base; and the first height adjusting device is connected with the first table disc. The wafer carrying device of the invention can be used for coating cutting films for wafers of different sizes. When wafers of different sizes are coated with the cutting films, the table disc does not need to be changed, and the carrying device can be suitable for coating cutting films of different sizes only by simple adjustment. The adjustment and switching are convenient and quick with short time and high efficiency. The height of the table disc is adjustable, so the table disc can be suitable for coating wafers of different thickness more conveniently, thereby widening the usable range of the table disc and ensuring that the coating effect meets the requirements.

The invention discloses an integrated bending and forming device for an abnormally-shaped tube, and relates to the technical field of cab structures of various types of engineering machinery, such as an excavator, a loader and the like, in particular to a device for bending and forming the abnormally-shaped tube. The device comprises a working platform, wherein three oil cylinder brackets are connected to the outer side of the working platform; a first hydraulic oil cylinder is connected to the first oil cylinder bracket; a second hydraulic oil cylinder is connected to the second oil cylinder bracket; a third hydraulic oil cylinder is connected to the third oil cylinder bracket; the telescopic end of the second hydraulic oil cylinder is connected with a limiting block; a positioning block is arranged on the other side of the limiting block and connected to the working platform; a cambered groove is formed on one side of the positioning block, which faces the limiting block; and at least five flexible adjustment devices are respectively arranged between the first hydraulic oil cylinder and the second hydraulic oil cylinder as well as between the second hydraulic oil cylinder and the third hydraulic oil cylinder and respectively connected to the working platform. The integrated bending and forming device is convenient, practical, low in cost and recyclable, and can control the size of the abnormally-shaped tube and control the abnormally-shaped tube to be rebounded.