18results about How to "Avoid reaction force" patented technology

The invention, which relates to the technical field of the semiconductor manufacturing equipment, provides a stepping motion apparatus for inhibiting the counter-acting force of an external interface, comprising a load, a Y-direction execution mechanism, an X-direction execution mechanism, a Y-direction counter-acting force balance mechanism, an X-direction counter-acting force balance mechanism, a support frame and a marble platform. The load is arranged on the Y-direction executing mechanism, the Y-direction executing mechanism is arranged on the X-direction executing mechanism, the X-direction executing mechanism is arranged on the supporting frame, the supporting frame is arranged on the marble platform, and the Y-direction counter-acting force balancing mechanism and the X-direction counter-acting force balancing mechanism are both arranged on the supporting frame. Compared with the prior art, the stepping type motion device for restraining the counter-acting force of the external interface can restrain the counter-acting force generated by the stepping type motion device on the mechanical installation interface of the foundation frame in the working process, and the motion and measurement precision of the stepping type motion device is guaranteed.

The utility model relates to the technical field of roll forming, in particular to a distortion correction seat group for roll forming of an automobile seat slide rail, which comprises a frame body, a support frame and a connecting frame, two ends of the connecting frame are respectively abutted against the surface of the support frame, the support frame is mounted in the middle of the frame body, and the surface of the connecting frame is connected with a correction component. The correcting assembly comprises a rotating shaft and a correcting pressing block, and a cooling structure is arranged in the correcting pressing block. The cooling structure comprises a cooling flow channel and a connecting block used for being installed with the connecting hole in a paired mode. The cooling structure is arranged in the correction pressing block, so that the cooling medium smoothly circulates in the cooling structure, and heat generated by friction of the correction pressing block in the rolling process in the machining process is reduced through the cooling medium in the cooling structure, so that the physical influence caused by expansion caused by heat and contraction caused by cold is avoided; the precision and the size of a rolled product are influenced, or the hardness is changed due to the annealing of the correction pressing block, or other adverse effects are caused.

The invention provides an embolism spring coil system which comprises a conveying device and a spring coil, the conveying device comprises a conveying pipe and a guide wire arranged in the conveying pipe, the conveying pipe is provided with a cavity, the cavity comprises a first cavity body and a second cavity body located at the far end of the first cavity body, and the second cavity body is provided with a partition part to divide the second cavity body into a first channel and a second channel; the spring ring device comprises a spring ring and an anti-unwinding wire arranged in the spring ring, the far end of the anti-unwinding wire is fixedly connected with the far end of the spring ring, a rope sleeve is arranged at the near end of the anti-unwinding wire, the rope sleeve penetrates through the first channel and extends into the first cavity, and the guide wire sequentially penetrates through the rope sleeve and the second channel. The rope sleeve of the anti-unwinding wire penetrates through the first channel and is arranged on the guide wire in a sleeving mode, so that stable connection of the conveying device and the spring ring device is achieved, the locking state can be kept even if the conveying device passes through a bent blood vessel, the situation of mistaken unwinding is avoided, the surgical risk and the operation difficulty are reduced, and the working efficiency is improved. And meanwhile, the spring ring can be reliably released through the arrangement of the anti-unwinding wire.

The present invention relates to the technical field of engine air intake, and in particular, to a fuel mixing engine with multi-end air intake. The engine comprises a cylinder, a piston and a crankshaft sprocket, wherein the cylinder comprises a cylinder head cover and a cylinder body, wherein the cylinder head cover is arranged on the top of the cylinder body, the piston slides in the cylinder body, and a crank and connecting rod mechanism are arranged between the piston and the crankshaft sprocket. In the present invention, a relative diversion of fuel and air is performed through an intermediate pipe and a side pipe, and after the diversion, most of the air enters through the side pipes on both sides to achieve multi-end entry, and after entering the combustion chamber, the air is horizontally distributed with the fuel entering the intermediate pipe, so that during the compression process of the combustion chamber, the air on both sides will move laterally and then mix with the fuel, and at this time, the compression stage is over, and the spark plug is ignited before the mixed fuel and air have time to be stratified, thereby ensuring that the fuel and air can be fully mixed during ignition.

The utility model provides a joint module and a robot. The joint module comprises a motor assembly, a planetary reducer and a mounting sleeve. The motor assembly comprises a rotary driving piece and a shell, and the rotary driving piece is located in the shell; the planetary reducer comprises a sun gear, a planet gear, a planet carrier and an inner gear ring, the planet carrier is sleeved with the planet gear, the planet gear is meshed with the inner gear ring, the sun gear and the planet carrier are in transmission connection with the rotary driving part, and the planet carrier is used for outputting power to the stress end of the robot; the mounting sleeve is nested between the inner gear ring and the shell and is in friction contact with the inner gear ring and the shell, and the mounting sleeve is used for keeping the inner gear ring and the shell relatively static through friction force in the state that the planet carrier outputs power to the stress end of the robot; under the state that the external force impact on the stress end of the robot is larger than the friction force, the mounting sleeve allows the inner gear ring to rotate relative to the shell. The joint module is simple in structure, external force impact can be released, and the use reliability of the joint module is guaranteed.

The utility model belongs to the technical field of toy manufacturing, and particularly relates to a protective conveying device which comprises a transmission belt and a second buffer plate, baffles are symmetrically and fixedly connected to the two sides of the transmission belt, first sliding rods are symmetrically and slidably connected to the middles of the baffles, one ends of the two first sliding rods are jointly connected with a cross rod, and the other ends of the two first sliding rods are connected with a second buffer plate. The transverse rod is elastically connected with a base through a first spring column, a first buffer plate is fixedly connected to the position, located above the baffle, of the top of the base, second sliding rods are fixedly connected to the two top corners of the first buffer plate, and the second buffer plate is fixedly arranged between the two first buffer plates; according to the anti-collision device, products falling from the upper portion of the conveying device can be buffered and prevented from being collided and abraded due to impact force, and the situation that the products are broken and damaged due to counter-acting force generated by collision and popped out of the conveying device can be avoided, so that the production cost is saved, and the machining efficiency is improved.

The utility model discloses a pressure reducing valve impeller assembling tool which comprises a mounting frame, a fixing piece arranged on the mounting frame and used for fixing a valve body and a positioning piece used for guiding and positioning an impeller, and the fixing piece and the positioning piece are arranged oppositely. According to the pressure reducing valve impeller assembling tool, the space assembling position size of the valve body and the impeller can be rapidly positioned, the valve body and the impeller are accurately aligned and fastened and assembled, the quality problem that threads are damaged when the impeller is assembled is completely eradicated, assembling is efficient and rapid, and the production efficiency can be greatly improved.

A contact system includes a contact support and a moving contact. The moving contact has moving contacts at both ends that mate with stationary contacts. The contact support has two raised mounting protrusions on the side away from the stationary contacts, and a clearance notch between the two mounting protrusions. Each of the two mounting protrusions of the contact support has at least one contact spring, and the contact springs on the two mounting protrusions are respectively connected to the two ends of the moving contact where the moving contacts are located. A changeover switch includes a housing and a contact system. The housing contains a load terminal, a power supply I terminal, and a power supply II terminal. The load terminal is electrically connected to the moving contact. Two stationary contacts are respectively located on the power supply I terminal and the power supply II terminal. In this invention, the contact support has a notch design on the side near the load terminal, and two mounting protrusions are spaced apart for mounting contact springs, saving space and increasing the rotation angle of the contact support.

The invention belongs to the technical field of curtain wall grinding, and specifically discloses a glass curtain wall side grinding device, comprising a base, a working area is fixedly connected to the top of the base, vacuum suction cups are evenly distributed inside the working area, a moving frame is arranged on the top of the base, a mounting head is arranged on the surface of the moving frame, an electric push rod is arranged inside the mounting head, and a mounting block is fixedly connected to the output end of the electric push rod; by arranging a grinding structure, the clamping effect on the glass curtain wall can be enhanced during the grinding process, and the buffer block can be arranged around the grinding to reduce the influence of vibration, thereby reducing the situation that the fixed glass curtain wall is damaged by the influence of vibration during the grinding process, and at the same time, in the process of vibration generated by grinding the glass curtain wall, part of the force can be used to overcome the reaction force of the first spring after being squeezed, thereby further weakening the influence on the glass curtain wall.

The invention belongs to the technical field of curtain wall polishing, and particularly discloses a glass curtain wall side edge polishing device which comprises a base, a working area is fixedly connected to the top of the base, vacuum suction cups which are evenly distributed are arranged in the working area, a moving frame is arranged at the top of the base, and a mounting head is arranged on the surface of the moving frame. An electric push rod is arranged in the mounting head, and the output end of the electric push rod is fixedly connected with a mounting block; by arranging the grinding structure, the clamping effect on the glass curtain wall can be enhanced in the grinding process, the influence of vibration can be reduced by arranging a buffer block around the grinding process, and the situation that the fixed glass curtain wall is damaged due to the influence of vibration in the grinding process is reduced; and meanwhile, part of force can be used for overcoming the counter-acting force generated after the first spring is extruded in the process that vibration is generated during grinding of the glass curtain wall, and the influence on the glass curtain wall is further weakened.

The utility model belongs to the technical field of high-pressure homogenizers, and particularly relates to a high-pressure homogenizer pressurizing device which comprises a shell, a piston block is arranged in the shell, an ejector rod is fixed to one side of the piston block, one end of the ejector rod extends into a cavity in the shell, two movable blocks are fixed to the other side of the piston block, and inclined grooves are formed in the outer walls of the movable blocks in a penetrating mode. A supporting rod is fixed to one side of the shell, a lever is rotationally installed on one side of the supporting rod, a fixing rod is fixed to one end of the lever, a connecting rod is rotationally installed at the other end of the fixing rod, and two rollers in rolling contact with the inclined grooves are arranged at the other end of the connecting rod. The lever is divided into a first rod body and a second rod body with the joint of the lever and the supporting rod as a boundary, and the end, away from the second rod body, of the first rod body is fixedly connected with the fixing rod. According to the device, the moving block can be easily driven to move, then the ejector rod can be easily driven to move, the pressurizing effect is achieved, materials are smashed, and the increasing effect of the device is good.

The invention relates to the technical field of cleaning machines, and particularly discloses a switch box for a high-pressure cleaning machine, and the switch box comprises a housing which is provided with a first hole; the triggering mechanism comprises a first sliding block, a second sliding block and a spring; a microswitch and a main switch; the high-pressure water pump comprises a water inlet, a water outlet, a push rod and an impeller, a streamline-shaped guide block is arranged at the middle end of the water inlet, a narrow channel is formed between the streamline-shaped guide block and the water inlet, and based on the Bernoulli principle, a low-pressure area at the narrow channel sucks more water flow in the high-pressure water pump to be sprayed out; the motor drives the impeller to rotate, and the impeller is provided with two-end type impeller blades which are obliquely arranged; the cooling mechanism is arranged at the outer end of the motor; the service life of the gun shutdown function of the high-pressure cleaning machine in the prior art is prolonged, and the defects that the cleaning efficiency is low, operation is unstable, and the operation process is not standardized enough are overcome.

The invention discloses a steel pipe cutting device and method for building decoration, and relates to the technical field of steel pipe cutting. The steel pipe cutting device comprises a base, a shell is fixedly mounted at the top of the base, supporting legs are fixedly mounted at the bottom of the base, a discharging opening is formed in the surface of the shell, and a cutting groove is formed in the surface of the base; the L-shaped plate is slidably mounted on the inner wall of the shell, a driving device is arranged in the L-shaped plate, a square groove is formed in the surface of the L-shaped plate, the fixed seat is fixedly mounted at the top of the L-shaped plate, the fixed arc plate is rotatably mounted at the top of the fixed seat, and the two arc rods are fixedly mounted at the two ends of the fixed arc plate. A triangular block is fixedly installed on the surface of an arc-shaped rod, a steel pipe can be fixed through a fixing arc plate, the situation that the position of the steel pipe deviates when the steel pipe is cut, and a cutting tool possibly bears irregular counter-acting force is prevented, and the precision during cutting is improved.

The present invention discloses a power distribution network isolating knife switch, comprising a fixed base, both ends of the top of the fixed base are fixedly connected with insulators, the top of the insulator at one end of the fixed base is fixedly connected with a clamping assembly, an opening and closing knife switch is rotatably installed inside the clamping assembly, the top of the insulator at the other end of the fixed base is fixedly connected with the knife switch assembly, and one end of the opening and closing knife switch is clamped and installed inside the knife switch assembly. The above scheme moves the two sides of the opening and closing blade toward each other, thereby making the opening and closing blade fit with the contact piece, making the contact piece and the opening and closing blade fit more closely, increasing the fit between the contact piece and the opening and closing blade, reducing the occurrence of overheating between the contact piece and the opening and closing blade, thereby improving the closing effect of the opening and closing blade and the contact piece, avoiding the reaction force of the extrusion spring, causing the opening and closing blade to rebound at the top of the pressing sleeve, reducing the possibility of operator misoperation, and improving the safety of the overall device.

The utility model relates to the technical field of hoisters, and discloses an automatic hoister which comprises a hoister body, a transmission motor is embedded and fixedly installed in the left side of the hoister body, a transmission shaft is fixedly installed on the left wall face of the transmission motor, the left end of the transmission shaft is in bearing connection with the hoister body, and a first gear set is fixedly installed on the left side of the transmission shaft in a penetrating mode. According to the automatic elevator, a transmission rod is conveniently driven to rotate through rotation of a two-way motor, a worm is driven to rotate through rotation of a driving bevel gear, a threaded rod is driven to rotate through meshing of the worm and a worm gear, and the transmission rod is driven to rotate through rotation of the worm and the worm gear. The machine body is driven to move upwards through rotation of the four threaded rods and meshing of the threaded rods and the machine body, the height of the equipment is adjusted, when the machine body ascends, the machine body is stabilized through the telescopic rod, the crawler belt is driven to move through rotation of the transmission motor, heavy objects can be conveyed conveniently, and the labor burden of a user is relieved.

This utility model relates to the field of medical device technology, and specifically discloses a reaction cup clamping and mixing device, including a clamping mechanism for clamping the reaction cup and having a clamping cavity, an eccentric mixing mechanism connected to the clamping mechanism, and a driving mechanism that is pulsatorically connected to the eccentric mixing mechanism; the eccentric mixing mechanism includes a support base for mounting the clamping mechanism, an eccentric transmission structure with one end pulsatorically engaged with the support base and the other end connected to the driving mechanism and eccentrically arranged, and a movable structure disposed on the support base and connected to the driving mechanism to form a sliding pair; the movable structure is rotatably mounted on the support base.