16results about How to "Clearance adjustable" patented technology

This utility model provides a windshield screen for rail vehicles, which reduces the gap between the screen and the seat by connecting to the seat. The connection position can be flexibly adjusted during installation, facilitating installation. Its structure includes a windshield screen body and handrails. One end of the handrail is connected to the vehicle body, and the other end is fixedly connected to the windshield screen body. The windshield screen body is fixedly connected to the bottom and side of the seat via connectors. The handrail is connected to the vehicle body via an adjustable connection structure, which includes a handrail connecting seat and a vehicle body connecting seat. The handrail connecting seat has an oblong hole extending along the axis of the corresponding position of the handrail. One end of the vehicle body connecting seat is fixedly connected to the vehicle body, and the other end can be bolted to the oblong hole after the handrail and windshield screen body are in place.

The utility model provides a surgical cart connector structure and a surgical cart. The surgical cart comprises the surgical cart connector structure. The operation cart interface structure comprises a bottom plate, a device fixing plate, a decorating part and a face shell. The device fixing plate is arranged on the bottom plate, a functional part is arranged on the device fixing plate, the decorative part fixing cover is arranged on the device fixing plate, and an interface for the functional part to penetrate through is formed in the decorative part; the face shell is connected with the bottom plate, an installation opening is formed in the face shell, and the part, provided with the connector, of the decorating part penetrates through the installation opening. A connecting unit is arranged on the bottom plate and used for movably arranging the device fixing plate on the bottom plate so that the gap between the decorating part and the inner wall of the mounting opening can be adjusted. The interface allowing the functional part to penetrate through is formed in the decorating part, the mounting opening is formed in the face shell to mount the decorating part, and the gap between the decorating part and the inner wall of the mounting opening is adjustable through the connecting unit, so that the machining precision requirement of the face shell and the mounting opening can be lowered, and the machining and assembling cost is reduced.

The invention relates to the technical field of new energy automobile part machining, in particular to a bending die for new energy automobile chassis part machining, which comprises an upper die base and a lower die base, a stamping part is arranged on the bottom surface of the upper die base, a fixing frame is arranged on the lower die base, and insert assemblies are symmetrically arranged on two sides in a frame body of the fixing frame. A forming cavity is formed between the two insert assemblies, and rollers are arranged on the sides, located on the forming cavity, of the two insert assemblies. In the forming cavity, the rolling wheel and the stamping part jointly act on the round rod, the round rod is stamped and formed into the U-shaped part, through the arranged insert assembly, indentations on the outer surface and the bent position of the U-shaped part are reduced, the quality and strength of a product are improved, the service life of the product is prolonged, the safety coefficient of the product is increased, and through the arranged wedge pressing block, the forming precision of the U-shaped part is improved. And the U-shaped part can be conveniently taken out through the arrangement of the spring, damage caused when the U-shaped part is taken out is prevented, and the production efficiency is improved.

The utility model discloses a swing tapered wedge structure of a sealing plate progressive die, which comprises a die bottom plate, the end part of the die bottom plate is provided with a support plate die for bearing a workpiece, one side of the support plate die is provided with a tapered wedge seat positioned on the surface of the die bottom plate, and the tapered wedge seat is used for wedging the side edge of the workpiece. When the inclined face of the driving inclined wedge base presses downwards, the swing inclined wedge block swings towards one side, meanwhile, the downward pressing inclined wedge base moves downwards to enable the limiting inclined wedge groove in one side face of the downward pressing inclined wedge base to press downwards the top end of the swing inclined wedge block for limiting and fixing, and therefore the side edge of a pressed sealing plate workpiece on a carrier plate mold can be clamped. Through cooperation of the structural parts and linkage of the swing wedge block and the wedge linkage base, the swing wedge block can achieve the effect that a sealing plate workpiece is clamped by a swing wedge, and due to the inclined face pushing mode of the wedge linkage base, the phenomenon that the swing wedge block and the downward pressing wedge base are clamped in the wedge process is avoided.

The utility model discloses a cutting device for a self-adhesive label. The cutting device comprises a machine body, the cutting assembly is arranged on the machine body and used for cutting off the labels; the unwinding assembly is arranged on the front side of the machine body and used for unwinding labels; the collecting assembly is arranged on the rear side of the machine body and used for collecting the cut labels; wherein the unwinding assembly comprises an unwinding disc and a tension control assembly, the tension control assembly comprises a connecting frame, a guide roller and an adjusting roller, the guide roller and the adjusting roller are arranged on the connecting frame, a guide rod is arranged on the connecting frame, a sliding block is arranged on the guide rod, and the adjusting roller is arranged on the sliding block. Through the tension control assembly, self-adaptive adjustment of tension is achieved, and an active driving component does not need to be additionally arranged outside.

The application relates to the technical field of waterproof roll production, and discloses a waterproof roll extrusion forming equipment and a waterproof roll production system. The waterproof roll extrusion forming equipment comprises a rack, a main compression roller assembly, an auxiliary compression roller assembly and a swing driving device. The main compression roller assembly is used for compressing the waterproof roll and comprises a plurality of main compression rollers arranged in sequence on the rack along a straight line. The auxiliary compression roller assembly is arranged on one side of the main compression roller assembly and comprises an auxiliary compression roller, a rotating shaft and a swing arm. The swing arm is pivotally installed on the rack through the rotating shaft, and the auxiliary compression roller is connected to the swing end of the swing arm. The swing driving device is used for driving the swing arm to swing around the rotating shaft to drive the auxiliary compression roller to compress the waterproof roll on one of the plurality of main compression rollers. The waterproof roll extrusion forming equipment and the waterproof roll production system can realize multi-roller extrusion and can accurately adjust the roller gap and the pressure, so that the dipped material is uniformly distributed on the tire cloth, and the product quality of the waterproof roll is effectively improved.

The utility model discloses a gummed paper compression roller convenient to adjust, which comprises a base, a lower rotating roller is rotatably arranged on the inner side of the base in a positioning manner, an upper rotating roller is arranged above the lower rotating roller in an attached manner, and two ends of the upper rotating roller are longitudinally and slidably connected with the base through longitudinal elastic reset sliding components. According to the rolling device, the upper rotating roller capable of longitudinally sliding is designed, so that the gap between the upper rotating roller and the lower rotating roller is adjustable, the rolling device can be suitable for rolling base material layers with different thicknesses, and the upper rotating roller is matched with the telescopic spring, so that the base material layers can be compacted and the rolling effect can be ensured when the base materials with different thicknesses are rolled; in addition, a tensioning wheel assembly is designed, under the condition that the upper rotating roller is adjusted up and down, it can be guaranteed that the transmission belt between the belt gear A and the belt gear B is always in a tightened state, and the situation that the upper rotating roller and the lower rotating roller cannot rotate synchronously due to loosening of the transmission belt is avoided.

The present application provides a gantry-type composite roller and a laminating machine, which relate to the technical field of lithium battery production. The gantry-type composite roller comprises a first roller, a second roller and a gantry frame, wherein the first roller and the second roller are arranged in parallel and spaced apart in the gantry frame, and the first roller is close to the bottom of the gantry frame. First axial fixing members are provided at both ends of the first roller, and second axial fixing members are provided at both ends of the second roller; a mounting reference surface is provided on the gantry frame, and the first roller and the second roller are both abutted against the mounting reference surface; an adjustment component is provided between the first roller and the second roller, and the adjustment component is used to adjust the gap between the first roller and the second roller. The gantry-type composite roller is conducive to improving the parallelism of the first roller and the second roller, and the gap between the first roller and the second roller is adjustable, thereby enhancing the stability of the composite effect.

The invention relates to the technical field of indoor air circulation systems, and discloses an indoor forward airflow isolation barrier and an air large circulation system, the indoor forward airflow isolation barrier comprises an indoor space, a bottom air supply space and a top air draft space, the bottom air supply space is located below the indoor space, and the top air draft space is located above the indoor space; a plurality of transverse strip-shaped remote air supply outlets and longitudinal strip-shaped remote air supply outlets which are communicated with the bottom air supply space are formed in the bottom of the indoor space, a space defined by the transverse strip-shaped remote air supply outlets and the longitudinal strip-shaped remote air supply outlets is a vertical airflow isolation space, and only one person can be contained in the vertical airflow isolation space. The top of the indoor space is provided with a plurality of transverse air suction openings and longitudinal air suction openings which are communicated with the top air suction space; by means of the indoor forward airflow isolation barrier and the air large circulation system, the problem that in the prior art, transverse circulation of viruses in the indoor environment cannot be cut off from the source, and then virus propagation is generated is solved.

The utility model belongs to the technical field of knurling devices, and particularly relates to an adjustable paper knurling mechanism which comprises a U-shaped machine frame, a paper feeding mechanism, a paper feeding mechanism and a paper feeding mechanism. The rotating motor is arranged on the outer wall of the rack, and an output shaft of the rotating motor is connected with the smooth roll and used for driving the smooth roll to rotate; the cross beam is erected above the embossing roller, and a mounting plate is movably arranged below the cross beam; the brackets are symmetrically arranged below the mounting plate, and an embossing roller is rotationally arranged between the two brackets; and the adjusting assembly is arranged between the mounting plate and the cross beam and used for controlling the mounting plate to move. The effects that the transverse movement of the embossing roller can be adjusted, and paper waste can be reduced are achieved.

The utility model provides a traction roller follow-up synchronizing mechanism and a traction tool apron thereof, and relates to the technical field of conveying equipment, the traction roller follow-up synchronizing mechanism comprises an intermediate gear mounting plate and a fixing plate which are respectively and fixedly mounted on the traction tool apron, an intermediate gear is rotatably mounted on the intermediate gear mounting plate, and a follow-up gear mounting plate is hinged to the intermediate gear mounting plate; the middle gear and the follow-up gear mounting plate are coaxially arranged, a follow-up gear is rotationally mounted on the follow-up gear mounting plate, the middle gear is meshed with the follow-up gear, a reset assembly is arranged between the follow-up gear mounting plate and the fixing plate, and the follow-up gear serves as an intermediate tooth, so that the traction rubber roller and the traction bottom roller always synchronously run in the same direction, and meanwhile the reset assembly is reset. The gap between the traction rubber roller and the traction bottom roller is adjustable, and therefore synchronous conveying of thin multi-layer materials and thick multi-layer materials can be achieved.

The invention belongs to the technical field of engineering machinery power battery manufacturing, and particularly relates to a power battery turnover device. The main plate is rotationally connected to the support, the battery pack is arranged between the main plate and the pressing plate, a limiting locking piece is arranged on the main plate, a plurality of mounting holes are formed in the main plate, and the limiting locking piece is detachably connected with the mounting holes. The battery pack is arranged between the main plate and the pressing plate, the battery pack is limited through the limiting and locking block, the pressing plate is locked, and overturning of the battery pack can be achieved by rotating the main plate; for battery packs of different models, adaptation can be achieved only by moving the limiting locking piece to a proper mounting hole, and adjustment is convenient and flexible. By adjusting the distance between the lead positioning pins and the distance between the limiting supports, the gap between the quick-change clamp and the battery pack can be adjusted, the reliability is high, and the battery pack can be quickly moved out by opening the quick-change clamp after the quick-change clamp is turned over.

The utility model provides an automatic cutting device for automobile ceiling fabric, which relates to the field of ceiling manufacturing and comprises a storage frame, a cutting frame and a pulling frame, a fabric leveling component is arranged on one side, close to the storage frame, of the cutting frame, a cutter component is arranged on the other side of the cutting frame, and a clamping component and a driving component are arranged on the pulling frame. When the free end of a fabric roll on the storage frame penetrates through the fabric leveling assembly to reach the clamping station, the clamping assembly is used for clamping the free end of the fabric roll, and the driving assembly is used for driving the clamping assembly to pull the free end of the fabric roll to move towards the side away from the storage frame to a set position. The cutter assembly is used for automatically cutting the free end of the fabric roll according to the set length. According to the automatic cutting device for the automobile roof fabric, automatic cutting of the fabric can be achieved, manual participation is basically not needed, the cutting efficiency is effectively improved, and it can be guaranteed that the cutting size of the fabric is accurate every time through mechanical automatic cutting.

The nitrogen wiping pressure air knife comprises an air pipe, a base, a bottom frame and an air knife unit, the base is arranged at the lower end of the air pipe, the bottom frame is arranged in the base in a left-right adjustable mode and comprises an air box and supporting plates on the two sides of the air box, and the air box is communicated with the air pipe; one side of the air box is communicated with a ventilation pipe, an air knife unit is arranged between the two supporting plates in a front-back adjustable mode, locking bolts are arranged at the ends of the supporting plates, and the locking bolts are matched with the ventilation pipe to clamp the air knife unit; the air knife unit comprises a front knife body and a rear knife body, the front knife body comprises a knife shell and a knife core, the knife core is vertically and elastically connected in the knife shell, the knife shell and the knife core define an air cavity, and the lower end of the air cavity is an air outlet; the air cavities between the front cutter body and the rear cutter body are communicated, cutter cores of the front cutter body and the rear cutter body define a threading hole, the air outlet is communicated with the threading hole, and the other end of the ventilation pipe penetrates into the front cutter body and is communicated with the ventilation cavity. The air knife unit can be conveniently maintained and cleaned, the position of the air knife unit can be adjusted, and it is guaranteed that a steel wire is always located in the center of a threading hole.

The invention belongs to the technical field of industrial pipeline construction, and specifically relates to a flange assembly device, which is used for butt-jointing a flange plate and a pipeline, and comprises: a U-shaped fixture for fixing the pipeline, a screw seat 1 and a screw rod 1 which are screwed together to divide the U-shaped fixture into two symmetrical clamping parts, and the butt-jointing surfaces of the clamping parts clamp and fix the pipeline through an arc-shaped clamping component, and the clamping part comprises a curved connecting piece and a connecting part 1; the invention can control the angle between the pipeline and the upper end opening of the flange plate by adjusting the screw rod 1 and the screw rod 2 on the U-shaped fixture, and further adjust the gap between the flange plate and the pipeline by adjusting the inner nut and the outer nut, so that the flange plate can be fixed and the pipeline and the flange plate can be quickly assembled and welded; in addition, the arc-shaped clamping component can be controlled to be suitable for clamping and fixing pipelines of different thicknesses while adapting to the clamping of curved pipelines, so that the assembly device in the invention can be extended to the butt-jointing treatment of small-sized pipelines and flanges.

The utility model relates to the field of plastic processing equipment, in particular to an extensible main shaft of a high-speed friction material washing machine. The device comprises a fixed baffle plate, a directional shaft, a force application shaft, a circumferential baffle plate, a stretching cylinder, an inclined extrusion block, a force application inclined plane and an expansion assembly, the directional shaft is fixedly arranged on one side of the fixed baffle, a cavity opening is axially formed in one end of the force application shaft, the cavity opening of the force application shaft is connected to one end of the directional shaft in a sleeving mode, the circumferential baffle is fixed in the extending direction of one side of the force application shaft, the stretching air cylinder is fixedly arranged on one side of the circumferential baffle, and the output end of the stretching air cylinder is in driving connection with the other end of the force application shaft. The multiple sets of inclined extrusion blocks are arranged, three inclined extrusion blocks form one set, the three inclined extrusion blocks are evenly distributed around the periphery of the force application shaft, each set of force application shaft is arranged in the axial direction of the force application shaft, the force application slopes are formed in the top faces of the inclined extrusion blocks, and the force application shaft is sleeved with the expansion assembly.