389results about How to "Adjust the tightness" patented technology

The invention discloses a U-shaped pipe landing leg punching tool, which is characterized in that a U-shaped pipe locating assembly and two side punching assemblies are arranged on the top surface of a horizontal bottom plate, wherein the side walls of a U-shaped pipe locating sleeve in the U-shaped pipe locating assembly are provided with punch via holes, the two side punching assemblies are symmetrical about the U-shaped pipe locating sleeve, a slider in each side punching assembly can slide left and right, the top surface of each slider is fixedly provided with a declivity wedge and a punch stopper, the end face, close to the U-shaped pipe locating sleeve, of each punch stopper is provided with a punch, a punching die is arranged right above the horizontal bottom plate, when the punching die downwards moves, two acclivity wedges push the two declivity wedges in the two side punching assemblies to simultaneously move towards the opposite direction, so that the two sliders can drive the two punches to simultaneously move towards the opposite direction. The U-shaped pipe landing leg punching tool can be used for well locating a U-shaped pipe and further machining holes in landing legs of the U-shaped pipe in a side punching manner, since the U-shaped pipe can be precisely located via the operation, the height error of machined holes in the two landing legs of the U-shaped pipe can be effectively eliminated.

The invention discloses a device for regulating the size of a head of a head lamp. The device comprises ropes or belts and a lamp cap. Rotating wheels are placed on two side edges of the lamp cap, and a groove is formed on the circumference of each rotating wheel. After the ropes or the belts are wound around the grooves in the rotating wheels, two tail ends respectively penetrate through a hole of a regulator. The regulator structurally comprises a first connection part and a second connection part, wherein the second connection part can move opposite to the first connection part, the first connection part and the second connection part are respectively provided with a through hole through which the ropes or the belts can penetrate, and a spring is placed between the first connection part and the second connection part. When the first connection part is pressed down, the through hole in the first connection part and the through hole in the second through hole are aligned, and the ropes or the belts can move freely in the holes. When a hand loosens the first connection part, the first connection part is bounded, and the ropes or the belts are clamped.

The invention discloses a multifunctional electric scooter, which comprises a main bottom plate and a power device and is characterized in that: direction wheels are arranged below the main bottom plate; a pedal direction plate is arranged above the main bottom pate; and a driving mechanism is arranged between the pedal direction plate and the direction wheels. The multifunctional electric scooter has the advantage that: directions of the direction wheels can be controlled in a way that a user steps on the pedal direction plate and controls the steering direction of the pedal direction plate, so, compared with the conventional scooter of which an advancing direction is adjusted by wriggling a body, the direction of the scooter is easier to control.

The invention discloses a truss box distribution robot, which comprises a box distribution device, wherein the box distribution device comprises a first frame provided with a first conveyer device; a Y-direction guide rail is arranged above the first conveyer device on the first frame, and is provided with a sliding rack; the first frame is provided with a first driving mechanism which drives the Y-direction guide rail to move; the sliding rack is provided with an X-direction guide rail which is provided with a first sliding block; the sliding rack is provided with a second driving mechanism which drives the first sliding block to move; the first sliding block is provided with a Z-direction sliding groove; a sliding rail is arranged in the sliding groove; the first sliding block is provided with a third driving mechanism which drives the sliding rail to move; and the lower end of the sliding rail is provided with a hand grab mechanism. The truss box distribution robot has high distribution box efficiency and simple structure, and can rotate boxes.

The invention relates to the technical field of communication base stations, in particular to a cable anti-galloping device based on a communication base station, which comprises a fixing frame, the fixing frame is hexagonal, a blade is arranged at the center position of the fixing frame through a rotating mechanism, a reflective coating is sprayed on the surface of the blade, threaded holes are formed in the six corners of the fixing frame, and the threaded holes are communicated with the fixing frame. And a threaded column is connected into the threaded hole through threads, a rotary knob is fixedly welded to the inner end of the threaded column, a ball groove is formed in the outer end of the threaded column, a ball body is installed in the ball groove, and rubber pads are glued to the contact faces of the ball groove and the ball body. According to the invention, through the arrangement of the first spring and the second spring, when the cable vibrates or gallops, a part of vibration and galloping energy is consumed through work, and the first spring and the second spring absorb and relieve the energy through elastic deformation, so that the cable can be subjected to damping and anti-galloping protection.

The invention belongs to the technical field of sewing machines, and relates to a take-up stroke adjustable structure and a sewing machine. The take-up stroke adjustable structure comprises an upper shaft, an eccentric wheel I arranged on the upper shaft in a sleeving mode, and an eccentric wheel II arranged on the eccentric wheel I in a sleeving mode, wherein the eccentric wheel II can rotate on the eccentric wheel I to adjust the eccentricity dimension. A connecting rod is arranged outside the eccentric wheel II in a sleeving mode; the other end of the connecting rod is connected to a crank, and the crank is arranged on a take-up shaft; the upper shaft rotates and drives the eccentric wheel I and the eccentric wheel II to rotate, the eccentric wheel II drives the connecting rod to move vertically, and the vertical motion of the connecting rod is converted into rotary swing of the take-up shaft through the crank. Adjustment of the eccentricity dimension is achieved by arranging the eccentric wheel I and the eccentric wheel II on the upper shaft, so that change of the rotation angle of the take-up shaft is achieved, adjustment of the take-up amount is achieved, the tightness of needle thread is better adjusted, the university of the sewing machine is greatly improved, the use cost is reduced, and stitch optimization is achieved.

The invention discloses a conduit fixing device and a fixing method. The conduit fixing device comprises a fixing main body, wherein the fixing main body comprises a fixed ring and a rotating ring which are concentric and controllable and are in two-way rotary connection, wherein a non-adhesive side of a skin adhesive layer is fixedly connected with the fixed ring, and an opening is formed in a region, limited by the fixed ring, of the skin adhesive layer; one end of a strake is connected on the fixed ring, and the other end of the strake is connected on the rotating ring; and due to the rigidity of the strake, the own shape of the flexible strake can be maintained under the effect of gravity. The conduit fixing device ensures that a conduit is kept stationary relative to patient skin, so that uncomfortable feeling can be prevented, and conduit falloff or patient pains caused by drawing can be prevented; and conduit fixing can be relieved by simple operation in use, so that water-absorbing dressing can be replaced conveniently.

The invention discloses a hard rock push bench. The hard rock push bench comprises a cutter head, a crushing compartment and a housing, wherein the front end of the crushing compartment is connected with the back side of the cutter head, and the tail end of the crushing compartment is connected with the front end of the housing. The hard rock push bench is used for performing excavation work in a pebble bed, or a gravel bed, or continuous hard rock. No single bearing is arranged on a hob of the hard rock push bench, but a bearing inner ring is integrated onto a cutter shaft, a bearing outer ring is integrated onto a cutter body, and therefore structure of the hob is simplified, and production cost and manufacturing difficulty are reduced. .By regulating degrees of tightness between a hob seal ring and an annular gland through a gland regulation bolt, starting torque of the hob can be quickly regulated, and then the hob can adapt to different geological environments.

The invention relates to automatic winding equipment and a winding method for a motor coil, which are mainly used for winding the motor coil and aim to solve the problems of low winding efficiency andeasy error in the prior art. The invention provides a technical scheme that the automatic winding equipment and the winding method for the motor coil. The automatic winding equipment for the motor coil comprises a coil frame, a wire feeding mechanism, a frame, a clamping and breaking mechanism and a winding mechanism; the winding mechanism comprises a winding device for clamping and winding copper wires, and a winding die fixing device for clamping and rotating the winding die; the winding device comprises a winding mechanical arm, a rotating wheel, a lifting module and a translation module;the winding die fixing device comprises a rotating motor, a bearing, a second rotating connecting component, a coil sleeve and a locking mechanism. According to the automatic winding equipment and thewinding method for the motor coil, winding is carried out by utilizing the lifting of the winding mechanical arm in the winding device and the rotary reciprocating of the winding die fixing device, so that the winding step is simplified into two single reciprocating processes, and the production efficiency is effectively improved.

The invention discloses a tightening positioning bolt, which comprises two steel wire positioning bolts (1) with internal thread, at least two double-end studs (4) with tightening nuts (2) at both ends and at least an internal thread positioning bolt (2). Both ends of the internal thread positioning bolt (3) are provided with internal threads, and the internal threads of the internal thread positioning bolt (3) are respectively screwed with the external threads of two double-end studs (4) at each end; the external threads of the end, away from the internal thread positioning bolt (3) of the double-end stud (4) are respectively screwed with the internal threads of two steal wire positioning bolts (1); the external end plant of the steel wire positioning bolts (1) are provided with through holes (5) for passing the steel wires, and the internal ends of the through holes of the steel wire positioning bolts (1) are provided with an internal cavity (6) for containing a steel wire heading with a diameter larger than that of the through holes (5). The tightening positioning bolt of the invention has the advantages of large bolt adjusting amplitude, good fastening effect, and flexible and convenient assembly and disassembly.

The invention discloses a strain clamp device for electric power engineering, relates to the technical field of electric power engineering equipment, and particularly relates to a strain clamp devicefor electric power engineering. The strain clamp device comprises a tightening ring, one end of the tightening ring is in threaded connection with a first threaded column, one end of the first threaded column is fixedly connected with a fixing ring, the other end of the tightening ring is in threaded connection with a second threaded column, and one end of the second threaded column is fixedly connected with a fixing handle. According to the strain clamp device for electric power engineering, the device can achieve an effect of adjusting the tightness of an entire wire just by rotating the tightening ring, so that a plurality of wires can not only be installed on the device for fixing, and different types of wires can also be installed for fixing, accordingly, the device achieves the purpose of high practicability, and when an adjusting rod is screwed, a rotating rod drives a winding bar to rotate, so that the strain clamp device for electric power engineering not only saves time and labor, but also achieves the effect of convenient use.

The invention relates to a yaw brake machine tool. The yaw brake machine tool comprises a base which is of an inverted T-shaped structure, a cutting tool system, a manipulator system, a workpiece clamping auxiliary system, an assembly line workbench, an electric appliance control system and a hydraulic system; the cutting tool system is formed by a left cutting tool unit, a right cutting tool unit and a rear cutting tool unit which are arranged at the left position, the right position and the rear position of the base respectively; the manipulator system is located between the left cutting tool unit and the right cutting tool unit; the workpiece clamping auxiliary system is fixed on the base and located below the manipulator system; the assembly line workbench is fixed at the front end of the base; a position of the assembly line workbench, which is corresponding to a manipulator, is provided with a sensor and a jack-up cylinder; the electric appliance control system and the hydraulic system are arranged at two ends behind the base respectively; the hydraulic system is connected with the workpiece clamping auxiliary system. According to the yaw brake machine tool, the simultaneous machining can be performed on a plurality of machining surfaces, a fixture, a cutting tool and a milling machine do not need to be replaced, the machining accuracy is high, and the intelligent automation control is implemented.

The invention discloses a powder spreading device of a 3D printer. The device comprises a powder falling part, a powder feeding part and a powder spreading part, the powder falling part comprises a powder falling hopper and a powder storage bin, the powder storage bin comprises an upper end plate, a side baffle, an adjusting plate after powder falling, a side plate, an adjusting plate before powder falling, a spiral shaft and a powder falling assembly fixed support, a powder falling motor is mounted at one end of the side plate, the powder feeding part comprises two powder feeding assembly fixed supports, a powder feeding driving shaft, a powder feeding driven shaft bearing pedestal, and a powder feeding driven shaft, a powder feeding conveying belt is mounted between the powder feeding driven shaft and the powder feeding driving shaft, a powder feeding motor is mounted beside the powder feeding assembly fixed supports, the powder spreading part comprises two powder spreading assemblyfixed supports, a powder spreading cross beam, a powder spreading roller bearing pedestal and a powder spreading motor base, a powder spreading roller is rotatably connected between the powder spreading roller bearing pedestal and the powder spreading motor base, and a powder spreading motor is fixedly mounted on the powder spreading base. Through the above arrangement, powder is not prone to blocking the powder falling opening, and the powder can be evenly spread on the whole powder spreading path at the same time.

The invention relates to a standard one-sided knife edge structure of a belt conveyer. The structure comprises a roller central shaft installation plate, a roller and a frame end installation plate, wherein the two ends of a roller central shaft are fixed by a U-shaped clamping groove on the roller central shaft installation plate; the roller central shaft installation plate is fixedly connected to the frame end installation plate and is provided with a standard one-sided knife edge; and through threaded holes are formed at the two ends of the roller central shaft and are in threaded fit with an adjusting rod. By the standard one-sided knife edge structure, a knife edge has a circular arc surface structure with a small R angle, so that a circumference ratio generated by the roller edge structure of the conventional belt conveyer is reduced, the conveyer product smoothly flows, the condition that articles are accumulated and the like due to a gap generated by butting the arc surface to influence normal work in the prior art is avoided, the work efficiency of the conveyer is greatly improved, and loss caused by the falling of a too small article is reduced.

The invention belongs to the field of textile machinery and discloses a warp beam yarn leasing device and a leasing method thereof. The warp beam yarn leasing device comprises a yarn pressing device and a straight reed carriage which are arranged front to back, and a straight reed is arranged on the straight reed carriage. The yarn pressing device comprises a mounting support, yarn pressing lifting devices, yarn pressing strips and yarn pressing strip connectors. The yarn pressing lifting devices in more than two pairs are fixed to two sides of the mounting support, and two ends of each yarn pressing strip are connected to the corresponding pair of yarn pressing lifting devices through the corresponding yarn pressing strip connectors. The warp beam yarn leasing device and the leasing method thereof have advantages that by adoption of the yarn pressing strips for replacement of traditional iron rods, operation time is saved; one person can control ascending and descending of the yarn pressing strips through a switch to realize yarn pressing, two-person operation is avoided, operator quantity is decreased, and one person can complete yarn pressing and leasing operations in ten minutes finally, so that production efficiency is greatly improved.

The invention provides a novel sliding door. An active door is driven to move by meshing of a driving gear on a motor and a rack. The active door is provided with two first pulleys and a first flexible connecting piece arranged on the first pulleys in a sleeving mode. The two parallel sections of the first flexible connecting piece are separately connected with a door head and a first driven door,and when the active door moves, the first flexible connecting piece drives the two first pulleys to rotate, thereby driving the first driven door to move. The time of opening and closing the slidingdoor is greatly reduced, cables do not need to be laid, the structure is simple, and parts of the sliding door are easy to replace. The distance between the two first pulleys can be adjusted, the degree of tightness of the first flexible connecting piece can be adjusted, and the problem that the first flexible connecting piece becomes loose as the use time becomes longer is solved. The sliding door does not need to be disassembled for replacement, the service life of the first flexible connecting piece is prolonged, and the operating quality of the sliding door is not affected.

The invention relates to a reinforcing steel bar straightening and cutting all-in-one machine. The reinforcing steel bar straightening and cutting all-in-one machine comprises a bottom plate, a horizontal guide wheel, a straightening machine body and a driving straightening wheel; an adjusting mechanism is arranged in the bottom plate in a penetrating manner, the lower end of the adjusting mechanism is connected with a fixed frame, the fixed frame is arranged in the bottom plate, a paying-off cage is arranged at the upper end of the bottom plate, and the horizontal guide wheel is arranged above the bottom plate; the paying-off cage is arranged on one side of the horizontal guide wheel, the straightening machine body is arranged above the bottom plate, the horizontal guide wheel is arrangedon one side of the straightening machine body, a worktable is fixed to the upper end of the straightening machine body, a thread rod is arranged in the upper end of the worktable in a penetrating manner, the lower end of the thread rod is connected with the driven straightening wheel, the thread rod penetrates into the adjusting wheel, the driving straightening wheel is arranged on the outer sideof the bottom plate, one side of the driving straightening wheel is connected with a second motor, and a cutting table is arranged at one end of the bottom plate. The reinforcing steel bar straightening and cutting all-in-one machine can achieve straightening and cutting of reinforcing steel bars, and use is convenient.

The invention discloses an automatic horizontally-moving conveyer for aluminum profile packaging. The automatic horizontally-moving conveyer for aluminum profile packaging comprises racks. A plurality of conveying belt devices are arranged on the tops of the racks. Each conveying belt device is provided with a supporting beam mounted on the tops of the racks. Each supporting beam is provided with a driving wheel, a driven wheel and a conveying belt. A material bracket is arranged on the right sides of the driven wheels. The diameter of each driving wheel is larger than that of each driven wheel. The side, close to the corresponding driving wheel, of each supporting beam is provided with a tensioning adjustment device, wherein the tensioning adjustment device is provided with two supporting plates C mounted on the front side and the rear side of the supporting beam, the lower portions of the two supporting plates C are respectively provided with an adjusting groove, a rotary shaft is arranged between the two adjusting grooves, the middle of the rotary shaft is provided with a tensioning wheel in rolling connection with the corresponding conveying belt, the two ends of the rotary shaft are provided with adjusting bolts, two fixing blocks aligned with the adjusting bolts are welded to the outer sides of the two supporting plates C respectively, the adjusting bolts penetrate through the corresponding fixing blocks, and a screw of each adjusting bolt is provided with adjusting nuts which are arranged on the two sides of the corresponding fixing block in a clamping mode. According to the automatic horizontally-moving conveyer, the tightness of the conveying belts can be adjusted automatically, and the conveying belts can be prevented from slipping, so the automatic horizontally-moving conveyer is more flexible in use.