54results about How to "Less prone to positional deviation" patented technology

The invention discloses an arbitrary-hook-face radiotherapy bed system. The system comprises upper-computer software, a lower-computer control system and a therapy bed body, wherein the therapy bed body is a stereoscopic maneuvering device which is formed by splicing several lifting motor modules, after combined control of the upper-computer software and the lower-computer control system, an arbitrary hook face can be deformed at the top of the therapy bed body. The arbitrary-hook-face radiotherapy bed system is used for adjustment and stabilization of local posture of a curee during radiotherapy, and the posture which has the highest irradiation efficiency and the smallest radiation toxicity to normal tissue of the human body is adjusted.

The present invention is a drum-type washing machine for washing clothes by rotating the drum, in which the strength of the connecting part connecting the body of the washing machine and the cover is improved, and the deformation that occurs when the cover is subjected to an excessive load can be prevented. , and at the same time, the position of the cover body is not easy to shift, and the watertight state when closed can also be kept stable. In the present invention, the front opening (31) of the washing machine body (32) is covered by a cover (39) in a freely openable and closed manner, and the washing machine body (32) is provided with a rotating shaft of the cover (39). The rotating shaft and the cover (39) are connected by two connecting members (35, 36). The two coupling members (35, 36) are substantially arc-shaped around the rotation shaft, and the radius of the arc-shaped portion becomes larger as the distance between them increases.

The invention relates to the field of machining of shaft products, in particular to an automatic chamfering machining device for hardware shaft products. The automatic chamfering machining device comprises a worktable, wherein a feeding mechanism and a discharging mechanism are arranged above one side of the worktable, a rotating mechanism and a clamping mechanism are arranged at the upper end of the worktable, and a receiving box is arranged below the worktable; and a supporting mechanism is arranged above the worktable, and an air blowing mechanism and a chamfering mechanism are fixed to the side of the supporting mechanism. When the automatic chamfering machining device is used, firstly, a to-be-machined shaft is vertically fixed, a second pneumatic cylinder is driven to drive two chamfering cutters to move downwards, chamfering is achieved after a rotator rotates by half a circle, after chamfering of one end is completed, the chamfering cutters and a second arc-shaped ring retract, the to-be-machined shaft is enabled to rotate by 180 degrees, clamping and chamfering are repeated, secondary clamping is not needed, and the working efficiency is improved; and during clamping, due to the fact that clamping force is applied to the upper side and the lower side of the worktable, the clamping effect is better, by means of arrangement of an anti-skid gasket, a workpiece cannot move during chamfering, and the chamfering accuracy cannot be affected.

An embodiment of the invention provides a backlight module and a display device. The backlight module has a display area and a frame area surrounding the display area, and comprises: a light-emitting device and a circuit board electrically connected with the light-emitting device, wherein the circuit board is located on the side, facing the light-emitting direction of the backlight module, of the light-emitting device; a light guide plate located on the side, close to the display area, of the light-emitting device; lamp glue positioned between the light guide plate and the circuit board; a diffusion sheet which is located on the side, facing the light emitting direction of the backlight module, of the light guide plate and comprises a body part and a bent part connected with the body part, wherein the bent part is located on the side, close to the light-emitting device, of the body part, and the bent part is bent towards the side, away from the light guide plate, of the body part relative to the body part; and a shading film which comprises a first branch part, wherein the first branch part at least partially covers the bending part. According to the backlight module provided by the embodiment of the invention, the phenomena of light leakage and firefly of the backlight module can be improved, and the phenomena of light leakage or bright line of the display device caused by deviation of the diffusion sheet during assembly of the backlight module can be improved.

The invention discloses a corrosion resistance tester for a coated metal material. The coated metal material is obtained by forming a surface treatment film on a metal substrate. The orrosion resistance tester includes: a container placed on the surface treatment film and including a plurality of water-containing electrolyte material holders that open through the bottom surface in contact with thesurface treatment film; the water-containing electrolyte material contained in each of the water-containing electrolyte material holders of the container, and being in contact with an associated oneof a plurality of separate measurement target portions of the surface treatment film; a plurality of electrodes being each in contact with the water-containing electrolyte material contained in an associated one of the water-containing electrolyte material holders; an external circuit connecting the electrodes together; and a conduction means configured to conduct electricity to the metal substrate through the electrodes and the external circuit.

The invention relates to a manufacturing method of a circuit board. The method comprises the following steps of providing a bearing plate, and forming a first circuit layer on the surface of the bearing plate; arranging an adhesive layer in the area, exposed out of the first circuit layer, of the surface of the bearing plate, wherein the thickness of the adhesive layer is less than that of the first circuit layer; arranging wiring layers on the surfaces of the first circuit layer and the adhesive layer, wherein each wiring layer includes at least one dielectric layer and at least one second circuit layer which are arranged alternately, and the dielectric layer on the outermost side covers the first circuit layer and fills a gap, higher than the adhesive layer, of the first circuit layer; enabling the first circuit layer to be partially embedded into the dielectric layer on the outermost side; and removing the bearing plate and removing the adhesive layer so that a part of the first circuit layer convexly extends out of the surface of the dielectric layer on the outermost side. The invention further provides the circuit board.

The invention discloses a multifunctional label paper collecting device, which comprises a device body, a collecting coil and an electromotor. The collecting coil is arranged on the right upper end of the device body, the electromotor drives the collecting coil to rotate, the middle of the upper end surface of the device body is provided with a conveyor belt mounting cavity, a conveyor belt is arranged in the conveyor belt mounting cavity, a front positioning baffle plate is arranged at the front end of the conveyor belt mounting cavity, a rear positioning baffle plate is arranged at the rear end of the conveyor belt mounting cavity, and the front positioning baffle plate and the rear positioning baffle plate are symmetrically arranged; the back positioning baffle plate is provided with a lamp holder, the lamp holder is provided with an LED lighting lamp and a button switch used to control ON/OFF of the LED lighting lamp, a support frame is arranged on two guide rails, a cylinder is arranged at the front end surface of the support frame, the cylinder is connected to the support frame by a piston rod, and the cylinder drives the support frame to move front and back along the two guide rails through the piston rod. According to the technical solution above, the structural design is reasonable, the structure is simple, multiple functions are realized, label paper is not easily deviated in a conveying process, and use is convenient.

The invention discloses a lifting device and semiconductor process equipment, and relates to the field of semiconductor manufacturing. The lifting device is the lifting device of a base in the semiconductor process equipment, is used for driving the base to lift in a process chamber, and comprises a lifting mechanism and a translation mechanism. The translation mechanism comprises a supporting part, a first sliding plate, a second sliding plate and a mounting plate which are stacked, an adjusting assembly is connected with the supporting plate and the mounting plate, the mounting plate is fixed to the process chamber, the first sliding plate is slidably connected to the supporting plate in the first direction, and the second sliding plate is slidably connected to the first sliding plate in the second direction. A sliding sleeve extending in the third direction is arranged on the second sliding plate. The lifting mechanism comprises a lifting shaft, and the lifting shaft is arranged in the sliding sleeve in a sliding mode. The semiconductor process equipment comprises the lifting device. The device at least can relieve the problem of substrate position deviation.

The invention discloses coal mine electromechanical equipment for coal mining, and relates to the technical field of coal mine electromechanical equipment. The coal mine electromechanical equipment comprises a main body, a base is fixedly connected to the middle position of the bottom of the main body, a dustproof net is fixedly connected to the top of the main body, a motor is arranged in the middle of the outer wall of the right side of the main body, air holes are formed in the positions, located on the two sides of the motor, of the outer wall of the right side of the main body, and a working device is fixedly connected to the middle position of the bottom of an inner cavity of the main body. According to the coal mine electromechanical equipment for coal mining, the contact area between the equipment and the ground is reduced, a cleaning mechanism can clean the conveying belt in the working process of a conveying belt, the cleaning time of the equipment is saved, the working efficiency of the equipment is improved, dust generated in the conveying process is intercepted under cooperation of a separating mechanism, and therefore, the cleanness of circulating air is ensured, a blocking plate can ensure that materials cannot move during conveying, falling of the materials is avoided, the cleaning work of workers is relieved, and the situation that the dust floats everywhere is avoided while the device has stability.

The invention discloses a connecting structure of a concrete precast beam and a steel beam and a construction method of the connecting structure. The connecting structure comprises the concrete precast beam and the steel beam. Two grooves which are matched with the ends of the steel beam and are coaxial are reserved in the concrete precast beam, the two grooves are symmetrically formed in the two sides of the concrete precast beam, and a bolt hole for a split bolt to penetrate through is reserved between the two grooves. The ends of the two steel beams are arranged in the two grooves of the concrete precast beam, the split bolts penetrate through the bolt holes to fix the two steel beams, a fixing steel bar located on the upper sides of the steel beams is further arranged between the two steel beams, and the two ends of the fixing steel bar are welded and fixed to the two steel beams respectively. A gap at the joint of the concrete precast beam and the steel beam is filled with concrete. According to the connecting structure, the structural design is reasonable, the requirement for assembly precision is low, the steel beams are doubly fixed through the split bolts and the fixing steel bars, the gaps are filled with pouring concrete, and the connecting structure is good in reliability; the construction method is easy to operate and high in construction efficiency.

The invention belongs to the field of small electronic equipment, and particularly relates to a small square hole electric drill. The small square hole electric drill comprises an electric drill body,wherein an end head is arranged at the front end of the electric drill body; a drilling assembly for drilling a square hole is installed at the front end of the end head; a driving assembly is arranged inside the electric drill body; the driving assembly drives the drilling assembly to operate; and then the square hole is drilled in a workpiece to be machined. The small square hole electric drillhas the following advantages that 1, the drilling assembly with the special structural design limits the movement range of a square hole drill bit through an arranged limiting frame, so that the square hole drill bit is not prone to position deviation and is not prone to breakage in the drilling process; and 2, the arranged driving assembly outputs the power of a motor through the combined actionof two different rotating shafts, compared with a traditional electric drill adopting a single motor and a single shaft to output power, the driving assembly with the structural design can ensure that the output power is not too high while the drilling operation is guaranteed, and the situation that the workpiece is damaged due to the fact that the drill bit which is operated strongly is caused by misoperation in the drilling operation is avoided.

The invention discloses an agricultural device for agricultural soil improvement. The agricultural device comprises middle concave blocks and a metal base, and the middle concave blocks are fixedly mounted in the middle of the front end of the metal base. By mounting threaded holes in shaft outer shells of metal shafts, screws can be well mounted, and accordingly convenience in fixation is achieved; when metal ploughshares are mounted fixedly, the metal shanks well sleeve the metal ploughshares through fixing limiting grooves in middles of the shaft outer shells to play a great role in position fixation, so that top end position shifting is limited, and less proneness to outer side shedding is realized; further, convex columns of the metal ploughshares can be well fixed by the shank outershells through lower positioning grooves, so that a great fixing effect is achieved; then, reinforcing fixation can be performed by personnel through the external screws and the fixing threaded holes,and accordingly less proneness to position deviation in soil ploughing is realized.

The invention discloses an automatic coiled film tightening device. The automatic rolled film tightening device comprises a discharging mechanism, a film pressing mechanism, a motor and a collecting mechanism, the motor is connected with the collecting mechanism, a rolled film is placed on the discharging mechanism to be fixed, the film pressing mechanism comprises a tensioning wheel, a transition wheel and a driving wheel, the rolled film is sequentially wound around the tensioning wheel, the transition wheel and the driving wheel and then fixed to the collecting mechanism, and the motor is connected with the collecting mechanism. The motor drives the driving wheel to rotate, the driving wheel drives the rolled film to move, and the film roll is rotated and tightened. The device has the effects that the rolled film can be automatically tightened, the production efficiency and the product yield are improved, and the labor intensity of workers is reduced.

The invention discloses a power grid current limiting device and system, and belongs to the electrical field. By arranging an outer heat removal shell, during long-time work, a large amount of heat isgathered at an air lift transfer rod, so that an air lift ejector rod is heated to jack up the air lift transfer rod outwards, and the air lift ejector rod continuously moves out of an embedded heatgathering groove until the end part contacts with a corresponding inward heat accumulation sheet, on one hand, the contact area of the air lift transfer rod and a heat removal liquid is increased, outward dissipation of heat gathered on the air lift transfer rod is accelerated, and on the other hand, the heat on a heat transfer ball is directly transferred to the outside of an outer heat removal shell through a heat conduction wire, so that the heat dissipation efficiency is further improved; and when the heat on the heat transfer ball is reduced to a certain extent, the air lift transfer rodretracts into the embedded heat accumulation groove, the air lift transfer rod moves inwards and outwards again along with the re-accumulation of the heat, and the process is repeated continuously, sothat the heat dissipation efficiency is improved, the accumulation of the heat on the current limiting device body is effectively avoided, and the normal operation of a power grid is effectively guaranteed.

The invention discloses a novel mobile phone display screen pressure-bearing detector, and belongs to the field of pressure-bearing detection equipment. The detector can convert the whole surface stress of a mobile phone display screen into multi-point stress during a pressure-bearing test through the arrangement of a force conversion bag, so as to enable the surface local bearing force of a cellphone display screen to be non-uniform; compared with whole-surface stress, multi-point stress detection is more suitable for the situation that the mobile phone display screen is broken due to unevenlocal stress in the using process, then the reference degree of the detection result for fragile improvement of the mobile phone display screen is higher, and in the testing process, a force conversion bag completely wraps the mobile phone display screen, the stability of the mobile phone display screen during stress is improved, the probability that the mobile phone display screen is broken in advance during testing is reduced, meanwhile, under the interaction of the multiple force conversion point balls and the inner limiting layer, the stability of multiple stress points on the mobile phonedisplay screen can be improved, and the probability that the mobile phone display screen lags behind to be broken during testing is reduced; and the precision of a test result is significantly improved.