364results about How to "Same distance" patented technology

A microwave introducing mechanism 43 includes a cylindrical container 50; an inner conductor 52, coaxially provided in the container 50, a microwave transmission path being defined between the container 50 and the inner conductor 52; a tuner 44 for adjusting an impedance of the microwave transmission path 53; and an antenna section 45 including an antenna 51 for radiating to the chamber a microwave transmitted through the microwave transmission path 53. The tuner 44 includes a pair of slugs 58 made of a dielectric material and movable along the inner conductor 52; an actuator 59 for moving the slugs 58; and a controller 60. The controller 60 controls both the slugs 58 to move together in a range of a ½ wavelength of the microwave and one of the slugs 58 to move in a range of a ¼ wavelength of the microwave with regard to the other slug.

The invention discloses a novel anchoring grouting anchor rod and a construction method thereof. The novel anchoring grouting anchor rod is formed by a grouting system, an anchoring system and a fastening system. The grouting system comprises a cover, a vent hole, a grouting hole, a slurry plug, and overflow holes and various parts work together to ensure that slurry is full and tightly bonded. The anchoring system is formed by anchoring holes, a steel strand, a high-strength spring, an anchor claw, a rotating shaft and a steel strand clamp, initial anchoring force can be provided for the anchor rod, the anchor claw has barbs and rotates under the traction of the steel strand and closely attaches to a surrounding rock, and anchor removal is effectively prevented. The fastening system is formed by an anchor rod body, a slurry stop pad, a tray, a washer and a high-strength nut. After the slurry is solidified, the pre-stress can be provided for the grouting anchor to control the deformation of the surrounding rock. According to the invention, an anchor claw rotation design is employed, the anchor claw closely attaches to the surrounding rock, sufficient anchoring force is provided toprevent the anchor removal, and vent holes are set to ensure a pouring effect. The application defect of an existing grouting anchor is solved, and the novel anchoring grouting anchor rod and the construction method have the advantages of anchor removal prevention, high adaptability and good grouting effect.

The invention discloses a capacitive cross coupling flying bar and a coaxial cavity resonator thereof, and relates to a cavity filter in the microwave communication field. The coupling flying bar is of a centre-symmetrical strip sectional material structure, wherein, the center of the coupling flying bar is equipped with a cylindrical fine-adjusting coupling hole; two ends of the coupling flying bar are respectively equipped with a coupling disk with an annular surface; and two sides of the fine-adjusting coupling hole are respectively equipped with a cylindrical screw fastening hole. The capacitive cross coupling flying bar has the advantages that the flying bar is a new sectional material structural form and is made by cutting a sectional material, wherein, the utilization ratio of the material is high and the machining process is simple, thus facilitating large-scale production; the coupling surfaces of the flying bar are the annular surfaces parallel to the cylindrical surfaces of resonant columns, and the coupling area is large and the distance is consistent, which can realize strong cross coupling by increasing the coupling area in the case of slightly long distance and ensure that a high-power signal can smoothly pass; and coupling coefficients are finely adjusted by a fine-adjusting coupling screw, which solves the problem of offset of the coupling coefficients caused by machining and assembly accuracy and ensures debugging consistency.

The invention discloses a system for preparing nanofibers on a large scale by utilizing the electrostatic spinning process and a preparation method. The system comprises a vertical electrostatic spinning device, a substrate layer is arranged on the top of the vertical electrostatic spinning device, both ends of the substrate layer are respectively wound on a roller, both rollers are connected with motors, a collector is arranged on the top of the substrate layer, the vertical electrostatic spinning device comprises a reservoir, a lower needle plate and an upper needle plate are arranged in the reservoir, both ends of the two needle plates are respectively connected with a link mechanism through limit wheels, one end of the link mechanism is connected with a cam driving mechanism, the other end of the link mechanism is connected with a spring, spinning jets are arranged on the needle plates, metal electrodes are arranged on the bottom of the reservoir, and are connected with the anode of a direct-current high voltage generator and the lower ends of the spinning jets, and the cathode of the direct-current high voltage generator is grounded and connected with the collector. The invention also discloses the method for preparing nanofibers by utilizing the system. The system has a simple structure and high expansibility, the diameter uniformity of the prepared nanofibers is good, and the nanofibers can be widely used in fields, such as filtration, medical chemical and energy.

The invention discloses a tunnel inspection image acquisition device and s tunnel inspection system. The tunnel inspection image acquisition device comprises a plurality of CD cameras, a plurality ofauxiliary light sources, and a fixed bracket, wherein the CD cameras and the auxiliary light sources are fixed on the fixed bracket, and fixing positions of the plurality of CCD cameras are arranged on the same circular ring; in a working state, the center of the circular ring is arranged at the circle center of a tunnel so as to ensure that the distances from the plurality of CCD cameras to a tunnel inner lining are identical, and the overall photographic angle of the plurality of CCD cameras cover the range of the tunnel inner lining. According to the tunnel inspection system, the tunnel inspection image acquisition device is arranged on a flaw detection mobile platform and cooperates with a computer, a display, a synchronous encoder and a data collector to perform synchronous photographing, disease identification, real-time stitching and display of the tunnel. The tunnel inspection image acquisition device and the tunnel inspection system have the technical features of wide detection range, fast detection speed and high timeliness.

The invention provides a curved reflector type multi-antenna array which comprises more than one reflectors, a row of antenna radiation units are mounted on each reflector, and the antenna radiation units are electrically connected with one another through a feed network arranged on the backs of the reflectors; and the multi-antenna array can provide positive or negative 45 degrees of dual-polarization signal coverage. Because the reflectors of the multi-antenna array are wavy, the distances from the feed centers of the radiation units to the reflectors are equal, and consequently, the cross polarization discrimination rate of the multi-antenna array is increased.

The invention provides a linear array image sensor and a linear array image reading device. The linear array image sensor comprises a light source, a lens, a plurality of sensor chips, a sensor substrate and a socket. A plurality of photosensitive pixels are arranged on the surface of the sensor chips. The socket is used for providing a power supply and control signals for the sensor and outputing signals of the sensor chips. The sensor chips comprise two rows of sensor chips arranged in parallel. A first row of sensor chips and a second row of sensor chips are arranged in intersection mode. At least one photosensitive pixels of the first row of sensor chips and the second row of sensor chips are located on the same straight line in the direction parallel to the original pattern moving direction. The photosensitive pixels of the first row of sensor chips and the second row of sensor chips are arranged in the effective receiving range of the lens. The linear array image sensor and the linear array image reading device resolve the problem of image information loss in reading of images caused by the fact that gaps are retained between the sensor chips when the sensor chips of the linear array image sensor are assembled, and improve image reading quality.

The invention discloses a pipeline internal inspection robot. The pipeline internal inspection robot comprises a vehicle body with wheels and a lifting frame arranged on the vehicle body. The lifting frame comprises a base connected with the vehicle body, the base is rotationally connected with a connecting rod, and a camera assembly is arranged at the end, opposite to the base, of the connecting rod. The pipeline internal inspection robot is characterized in that the base can slide forwards and backwards relative to the vehicle body; a driving mechanism capable of driving sliding is arranged between the vehicle body and the base; the vehicle body is provided with a linkage part driving the lifting frame to ascend and descend so that the wheels on the vehicle body can be stressed in a more balanced mode. The pipeline internal inspection robot is effectively prevented from inclining forwards or turning over backwards, and continuous and stable work of the pipeline internal inspection robot is guaranteed.

The invention provides a hot-stamping die for an anticollision beam, comprising an upper die and a lower die, wherein the upper and lower dies mainly comprise combined convex / concave dies, cooling systems and a cooling seal ring. The blocks of the combined convex / concave dies avoid the corners and are staggered relatively. The cooling systems adopt drill holes, wherein the diameter of the holes is 8-30mm and the peaks of the holes are 3-10mm distant from the profiles; the two ends of the holes are sealed after hole drilling; runway type water troughs are processed near the places where the block dies are 10-50mm distant from the two end faces; the cooling water enters from one water trough and flows out of the other water trough; and seal grooves are arranged on the cooling water troughs and the cooling water troughs are provided with the seal ring and are externally connected with cooling water pipes.

The invention is a device used to assist in the transport of small, carry-on, wheeled luggage. The connector can be used to connect two pieces of wheeled, carry-on luggage together, allowing them to be conveyed easily at the same time by one passenger. Also, the connector can connect to one piece of wheeled carry-on luggage, with the other side connecting to the clothing of a passenger, allowing the passenger to convey the luggage with both hands free.

A battery module having at least two cells, wherein the at least two cells comprise electrical cell contacts, wherein the cell contacts are electrically connected to each other by at least one cell connector, wherein the battery module comprises a cell monitoring unit, wherein the cell monitoring unit is electrically connected to a connecting means, and wherein at least one cell contact and / or a cell connector are electrically connected via at least one bonding wire and / or at least one bonding strip to the connecting means.

The device for conveying objects in packaging machines has a first endless transport unit, which moves first driver elements; a second endless transport unit, which moves second driver elements; a motor-driven drive shaft, which drives the first endless transport unit; an auxiliary shaft, which drives the second endless transport unit; and a belt-type or chain-type connecting element for transmitting drive power from the drive shaft to the auxiliary shaft. The connecting element is guided between the drive shaft and the auxiliary shaft over a plurality of stationary auxiliary rollers and over at least two adjusting rollers, which can be shifted simultaneously in a direction perpendicular to their axes of rotation. The connecting element is guided in such a way that a shift of the adjusting rollers brings about a movement of the connecting element on the auxiliary shaft and thus a change in the angular position of the auxiliary shaft.

The invention relates to a radiotherapy target section dose regulating personalized silicone compensator and a preparation method thereof. The radiotherapy target section dose regulating personalizedsilicone compensator comprises an skin expanding part, a normal tissue expanding part and positioning mark lines. According to conditions of patient's skin in the target section and normal organic contour needed to be protected, silicone comensators in different thickness are customized by the 3D printing technology, so that the compensators fit the skin better; as the compensators have differentthickness, the distances from the surfaces of the compensators in a treatment region to the deep normal tissue are the same, the radiotherapy dose of the target section near the skin can be increasedand the expose dose of the target section can also be unformized by means of dose optimization, and further, the deep normal organs can be protected better to some degrees; thus, the core of the modern precise radiotherapy is achieved, treatment effect is improved and side effect in radiotherapy to patients can also be reduced to the utmost extent. Besides, as medical silicone molding through medical silicone molds is utilized, manufacturing cost is lowered, manufacturing speed is high, and the technique is superior to the method of direct printing of silicone in terms of economical efficiencyand application and promotion.

The invention discloses a rotary shifting device of a safe intravenous needle base. The rotary shifting device comprises a frame bracket, a translation unit including two translation modules symmetrically arranged on the left and right two sides of the upper end surface of the frame bracket, a lifting unit including two sets of lifting modules symmetrically arranged on the left and right two sides of the frame bracket and mounted on translation slide plates fixed on the translation modules, a turnover fixed plate connected with the lifting modules by one end, and a rotating unit including a rotating module, wherein the two ends of the rotating module are respectively connected with the other end of the turnover fixed plate through a left support plate and a right support plate. The rotary shifting device, provided by the invention, synchronously clamps medical fittings in discharge ports through clamping modules, synchronously feeds the medical fittings into next stations through lifting units and through synchronous turnover of rotating modules, guarantees the same direction of all medical fittings in each shifting, saves the subsequent assembly time, and improves the productivity.

The present invention relates to a spinning preparation machine, such as e.g. a carding machine or a cleaner or the like. Said machine comprises a device for the contactless measurement and / or adjustment of parameters in two opposite card clothings (21, 25). The tips (22, 26) of said card clothings are configured so as to be electrically conducting, a voltage source (41; 101; 201, 206) is connected to the tips of at least one of the card clothings, and electrical discharges can be produced by applying a variable potential difference between the tips of the two card clothings. These discharges are indicative of the actual distance (d) and / or the distance to be adjusted between the card clothing tips and / or the degree of wear of at least one of the card clothings and / or the position of the one card clothing in relation to the other card clothing, especially the angle of inclination (T) relative each other. The invention also relates to a corresponding contactless measuring method.

The invention discloses a dual-channel space-time mixing phase shifting Fizeau interferometer based on orthogonal polarized light. The dual-channel space-time mixing phase shifting Fizeau interferometer based on the orthogonal polarized light comprises a light source and light source adjusting unit, a light splitting collimation unit, a signal extraction and time-domain phase shifting unit, an imaging unit, a space-domain phase shifting unit and an image acquisition unit, wherein the light source and a light source adjusting unit comprises a light source, an optical filter, a polarization adjuster and a light beam spread lens and spatial filtering module; the light splitting collimation unit comprises a first unpolarized beam splitting prism and a collimating lens; an imaging objective lens serves as the imaging unit; the space-domain phase shifting unit comprises a 1 / 2 wave plate, a second unpolarized beam splitting prism, an x-direction polaroid and a z-direction polaroid, and dual channels are formed; the image acquisition unit comprises an x-direction CCD and a z-direction CCD; the first unpolarized beam splitting prism is arranged at the position of an intersection between the x direction and the z direction, and the z-direction CCD and the x-direction CCD are arranged on the two channels, and are used for collecting interference fringe graphs, with the phase shifting amount, of objects to be measured. The dual-channel space-time mixing phase shifting Fizeau interferometer based on the orthogonal polarized light has the orthogonal polarization space-domain phase shifting function and the orthogonal polarization time-domain phase shifting function.

The invention discloses a hull breaking machine based on pretreated walnuts, and relates to the field of walnut deep processing equipment. The hull breaking machine comprises a rack, an impeller feeding device and an opposite roller extrusion device; the impeller feeding device conducts feeding through an impeller to enable the walnuts to fall into the opposite roller extrusion device orderly, sothat the feeding efficiency is ensured; rollers of the opposite roller extrusion device are structurally optimized, V-shaped annular grooves in the rollers of the opposite roller extrusion device areformed alternately with roller sections to avoid mutual interference of the walnuts and improve the hull breaking efficiency, meanwhile one of the rollers is fixedly arranged, and the other roller isadjustable so as to adapt to hull breaking of the walnuts with different sizes and increase the kernel exposure rate; the impeller feeding device and the opposite roller extrusion device are both driven in a chain transmission mode, the driving speed of the impeller feeding device and the driving speed of the opposite roller extrusion device are matched to enable the materials to be smooth, the work continuity of the hull breaking machine is ensured, and the efficiency is improved; the outer surfaces of the rollers are wrapped with a PVC belt, jumping of the walnuts during falling is reduced,the extrusion efficiency is improved, meanwhile the adaptability of the walnuts in an extrusion work area is improved through the PVC belt, and the high kernel exposure rate is achieved.

The invention discloses a sectionalized bottle-blocking and pressure-relieving device in a container conveying mechanism. The sectionalized bottle-blocking and pressure-relieving device comprises a first bottle blocking mechanism, a second bottle blocking mechanism, and a third bottle blocking mechanism which are arranged on the machine frame, wherein the first bottle blocking mechanism is positioned at the bottle supplying end of a conveying channel in the container conveying mechanism; each bottle blocking door in the first bottle blocking mechanism can rotate so as to block solid bottles to pass or rotate, so that the solid bottles in the corresponding conveying channel can pass; the third bottle blocking mechanism is positioned at the bottle blocking end of the conveyingchannel in the container conveying mechanism, and a bottle blocking rack in the third bottle blocking mechanism can move back and forth at the bottle blocking end of the conveying channel; the second bottle blocking mechanism is positioned in the middle of the conveying channel in the container conveying mechanism; each pair of bottle blocking fingers in the second bottle blocking mechanism can stretch into the conveying channel from two sides of the bottom of the corresponding conveying channel and block the bottle in the corresponding conveying channel. The sectionalized bottle-blocking and pressure-relieving device disclosed by the invention has the advantages that the squeezing force between solid bottles can be completely released, so that the solid bottle can be prevented from being squeezed and deformed; therefore, the bottle grasping accuracy of a claw mechanism in a containerizing machine can be guaranteed.

The invention relates to a wheat seeding machine with controllable seed arrangement.Due to the fact that an efficient furrowing seeding device is arranged, seed floatation is reduced; due to the fact that a rotating disc type seed arrangement device is arranged, seeds evenly fall in a soil pit; due to the fact that a transverse installation frame, a longitudinal extension folding frame and a position induction device are arranged, intelligent operation is achieved; meanwhile, components in a working device are specifically arranged, and the integrated seeding operation can be achieved at a time through intelligent control, so that the seeding operation is automatic and intelligent, and the agricultural production efficiency is improved.

A method and arrangement for achieving low splice-losses when connecting Highly Rare-Earth-Doped (HRED) optical fibers and dissimilar optical fibers having a large Mode Field Diameter (MFD) mismatch. Warm images are taken during a pre-fusion process to capture thermal light emissions and determine an arc-center position. The end-surfaces of the fibers are abutted and longitudinally offset from the arc-center, based on the light propagation direction and the MFD-mismatch. The fibers are then asymmetrically heated with different fusion temperatures during the main fusion processes. An MFD-match is achieved with well-defined fusion currents and fusion time. To maintain the same offset distance in a sequence of splices, the main-fusion arc-center position is determined by a process of direct arc-recentering. Variations of fusion temperature caused by changes of electrode conditions and the operating environment are monitored in real-time, and an arc-check process is invoked to compensate for the large variations of fusion temperature.

The invention discloses a patrolling robot mechanical arm tail end space positioning method, and belongs to the field of the patrolling robot mechanical arm tail end space positioning method. The method comprises the steps that firstly, the tail end of a mechanical arm is parallel to the ground through adjustment of coordinates; secondly, a vision sensor is used for obtaining the ground feature recognition result, the mechanical arm is parallel to the ground to move to the tail end preset point according to the ground feature recognition result, and first-time 2D vision positioning is finished; thirdly, preset point coordinates are kept unchangeable, the needed pitching angle is rotated, and the vision sensor is made to be parallel to the operation face; and fourthly, the vision sensor isused for obtaining the operation face feature recognition result, the tail end of the mechanical arm is adjusted according to the operation face feature recognition result and is made to arrive at theoperation face preset point, and second-time 2D vision positioning is finished. On the basis of the plane, two-time 2D vision positioning and adjustment are conducted, and the defects that due to adoption of one-time 2D vision positioning, precision is low, and cost is high due to adoption of combination of 2D vision and a distance sensor are overcome; and the positioning cost is reduced, and accurate space positioning is achieved.

Counterflow heat exchanger consisting of two adjoining chambers, in which a fluid at a high temperature flows in one chamber in one direction, and in which a fluid at a low temperature flows in the opposite direction in the other chamber, characterised in that both chambers are separated by a separating plate of flat monolithic double-sided enamelled steel annealed at temperatures above 500°C, and which together form a spiral or helical heat exchanger.

The invention relates to a slotting device, in particular to a semi-automatic slotting device for a washboard. According to the semi-automatic slotting device for the washboard, a wood board for manufacturing the washboard can be slotted automatically, and hands cannot be hurt. The semi-automatic slotting device for the washboard comprises a base frame, a slotting mechanism which is arranged on the base frame and conducts slotting in a rotating mode, a power mechanism which is arranged on the base frame and provides power for work in a telescopic mode, and a moving mechanism which is arrangedon the base frame and moves in a rotating mode. By means of the slotting mechanism and the power mechanism, the wood board can be automatically slotted, the wood board can be automatically pushed to intermittently move leftwards through the moving mechanism, the moving distances are guaranteed to be the same each time, the washboard manufacturing quality is improved, and by means of the fixing mechanism, the wood board can be slotted and fixed, so that the slotting quality of the wood board is improved.

The invention relates to an initial positioning and anti-collision device of a plasma cutter. A cylinder is vertically fixed on a mounting plate; a piston rod of the cylinder is connected to the lower part of a connecting frame; one end of a detecting rod is also hinged at the lower part of the connecting frame; the upper part of the connecting frame is connected to the bottom end of a telescopic rod; an induction rod is arranged in an inner hole of the telescopic rod; the head part of the induction rod is propped and supported by the detecting rod; a spring is mounted between a head step of the induction rod and the connecting frame; the upper end of the telescopic rod is provided with an approaching switch; the front end of the mounting plate is provided with a middle bracket; and an anti-collision device of a cutting torch is connected with the middle bracket. According to the invention, before plasma cutting, initial positioning is first carried out by an initial positioning device; during cutting, the cutting torch is automatically controlled to lift by an arc voltage, so that the distance between the cutting torch and a steel sheet is always kept consistent; and through the anti-collision device, an expensive plasma cutting torch is reliably protected against being damaged. The initial positioning and anti-collision device of the plasma cutter, provided by the invention, has the advantages of simple structure, accuracy for positioning, small fault rate and high use efficiency.

A calibration unit for a measurement device for connecting to a connector embodied in a coaxial manner. The calibration unit provides a housing and an inner conductor, whereas the inner conductor (15) is embodied centered within an aperture of the housing. The calibration unit provides a connecting element, that the connecting element is inserted into the aperture of the housing and hosts the inner conductor and that the connecting element is embodied in an elastic manner and supports the inner conductor in an elastic manner relative to the housing.

The invention provides a molten pool light intensity detection device with multiple detection heads detecting in a partition manner, which comprises a laser light source, a working platform and detection modules, and is characterized in that the laser light source is located right above the working platform, the working platform is used for carrying metal to be detected, an area to be detected atthe surface of the working platform is divided into a plurality of square subareas which are the same in area and provided with different serial numbers, the number of the detection modules is the same as that of the square subareas, each detection module comprises a detection head, each detection head is located above the working platform, a connecting line between one detection head and the center of the corresponding square subarea is parallel to an axis of the detection head, the distance between each detection head and the center of the corresponding square subarea is the same, and an included angle between each connecting line and the working platform is identical; and the detection heads receive molten pool light, convert the received molten pool light into digital signals and thentransmit the digital signals to an external operating system. The molten pool intensity detection device can accurately detect molten pool light signals in the laser processing process in real time.

The invention relates to a self-adaptive profiling spray machine for an orchard. The spray machine comprises a three-dimensional radar, an ARM control unit, a cart body, a pesticide tank, a gas collection tank, a connection pipe, a centrifugal fan, a left air supply spray device and a right air supply spray device; the three-dimensional radar and the ARM control unit are installed at the front endof the cart body, and the three-dimensional radar detects fruit tree canopy information and fruit tree position information and sends the information to the ARM control unit; the pesticide tank is installed in the middle of the cart body, the gas collection tank is installed on the centrifugal fan, and the centrifugal fan is installed on the cart body; the left air supply spray device and the right air supply spray device are installed at the left and right sides of the centrifugal fan respectively, and airflow generated by the centrifugal fan enters the gas collection tank and is conveyed through the connection pipe and discharged out of the left air supply spray device and the right air supply spray device at last. According to the self-adaptive profiling spray machine for the orchard,by effectively adjusting the distance between spray nozzles and fruit trees, the spray amount of the spray nozzles and the wind direction and wind speed of air outlets, the requirement of precise spray is met.

The invention discloses a paving device for ecological environment restoration desertification control greening. The device comprises a traction vehicle head, a sand-barrier piling and paving mechanism, a sleeve grabbing mechanism and a sand-barrier component, wherein the sand-barrier component comprises a pair of gauze element devices used for being inserted into the sand ground in parallel, a diagonal vertical sleeve adopts a magnetic material sleeve, the rear end of the traction vehicle head is provided with the sand-barrier piling and paving mechanism, and the sand-barrier piling and paving mechanism comprises a rack base plate, sand-barrier storage frames fixedly arranged on the left and right sides of the rack base plate correspondingly, a material feeding and pushing device used forpushing fixing piles to move longitudinally along the sand barrier storage frames, and a piling and correcting device used for installing the fixing piles into the sand ground sequentially. Accordingto the device, the sand-barrier component is reasonable in structural design, stable and firm in structure, beneficial to later sand prevention and sand fixation, and convenient to disassemble and recycle in the later period, mechanized operation is adopted, the severe natural environment of a desert can be overcome, the device can take more advantages in the period of sand storm controlling, andthe environment where people live is favorably protected.

The invention discloses a drilling device used for forged steel pressure release valve connecting flange machining in the technical field of pressure release valve connecting flange machining. The drilling device comprises a base. A sliding block is in inserted connection to the top of a supporting frame in a penetrating manner. A locking device is arranged at the bottom of the left side wall of the sliding block. An air cylinder is arranged in the middle of the bottom side wall of the sliding block. A motor is arranged on the bottom side wall of a connecting plate. A drill rod is arranged onthe bottom side wall of the output end of the motor. A workbench is movably arranged in the middle of the top side wall of the base. Two sets of clamping devices are movably arranged on the top side wall of the workbench. According to the device, a flange is clamped through a supporting plate, the circle center of the flange and the circle center of the workbench are located on the same vertical line, and the flange is prevented from moving accidentally during drilling; the workbench is rotated, the drilling position on the flange can be adjusted, the flange is prevented from moving, and therefore it is guaranteed that the distance between each set of holes and the circle center of the flange is the same; and the accuracy of drilling is improved, and the work efficiency of workers is improved.

The invention relates to the technical field of pipe processing, and particularly discloses a pipe bending tooling, which comprises a processing table, a positioning table and adjusting blocks are arranged on the processing table, and a placing channel for placing a pipe is formed between the adjusting blocks and the positioning table; the number of the adjusting blocks is two, and the two adjusting blocks are in sliding connection with the processing table; a positioning hole is formed in the lower part of each adjusting block; the end part of each adjusting block is provided with an arc-shaped groove; a sliding hole is arranged in the positioning table, a sliding block is slidably connected in the sliding hole, and a spring is fixed between the sliding block and the sliding hole wall; asliding cavity and a positioning cavity are arranged in the processing table; a positioning column used for being inserted in a positioning hole is slidably connected in the positioning cavity, the two ends of the sliding cavity are respectively communicated with the sliding hole and the positioning cavity; a push rod is slidably connected in the sliding cavity, the two ends of the push rod are bent and fixedly connected with the sliding block and the positioning column. According to the scheme, the problem that the distance between the two bending parts of the pipe is difficult to control when the two ends of the pipe are bent in the prior art, which causes low qualification rate of the bent pipe, is solved.