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47results about How to "Easy to operate by hand" patented technology

Servo electrohydraulic composite pressure method and press machine thereof

The invention discloses a servo electrohydraulic composite pressure method, comprising the following steps: 1) arranging a stander; 2) arranging an upper hydraulic device on the stander, 3) arranging a closed ring servo electrohydraulic control system, wherein the closed ring servo electrohydraulic control system is connected with the upper hydraulic device, and controls the work situation of the upper hydraulic device; the invention further discloses a press machine which implements the method; the method provided by the invention uses a servo electrohydraulic technology to replace the traditional electrohydraulic control technology, which has simple manufacturing, high efficiency, little power consumption and high control precision; the position control precision can reach to 0.01 to 0.02 millimeters; the pressing, the tensioning, the de-molding, the full deciding and other functions can be realized simultaneously, so the method has a comparatively high processing flexibility; the press machine provided by the invention is rational in structure, little in volume, stable in work, high in capacity, little in noise, and wide in application range. The advantages of a mechanical punching machine, a hydraulic punching machine and a numerical control are integrated, so the press machine has the advantages of multi-function, low cost, large pressure tonnage, etc.
Owner:东莞市得力仕机械科技有限公司

Drawer type boxed article distributing device

The invention discloses a drawer type boxed article distributing device. The device comprises an article storage channel, an article inlet and an article outlet, wherein a bottom plate is arranged in the article storage channel; two sides of the bottom plate are connected with a first partition board and a second partition board; the first partition board and the second partition board extend upwards at the front end of the article storage channel close to the article outlet and are connected with a device for preventing articles from being gathered; and a lower baffle plate for preventing the articles from sliding downwards and a cam for uplifting one end of a first box of articles first are arranged at the article outlet. The drawer type boxed article distributing device has the advantages of simple structure and convenience for operation; and by the drawer type boxed article distributing device, boxed articles can be smoothly taken out of warehouses through the outlet, and the working efficiency is improved. Preferably, a first guide plate and a second guide plate are arranged on the drawer type boxed article distributing device, so that the boxed articles are prevented from being uplifted or sliding towards side wings when sliding in the article storage channel, and can be stacked neatly and taken out of the warehouses uniformly.
Owner:JIANGSU XUNJIE HARNESS TECH

Rotating target material capable of withstanding high-power sputtering, and preparation method of rotating target material

The invention relates to the technical field of sputtering target materials, in particular to a rotating target material capable of withstanding high-power sputtering. The rotating target material comprises a back tube and a section of target material which fixedly sleeves the outer wall of the back tube, wherein the back tube is connected with the target material by means of a sandwich structureformed by a bonding material and metal mesh pieces, and a gap between the back tube and the target material is internally filled with the bonding material. A preparation process of the target materialmainly comprises the four steps: (1) cleaning the back tube and the target material; (2) winding the metal mesh pieces on the back tube, and lining the inner surface of the target material with one layer of metal mesh pieces; (3) coating the surface of the back tube and the surfaces of inner holes of the target material with the bonding material, then sleeving the back tube with the target material from one end, and fixing; (4) curing the target material and the back tube subjected to sleeving so as to obtain the rotating target material. The rotating target material provided by the inventioncan withstand high-power sputtering, thus meeting the requirements of a high-power coating technology at present, and greatly increasing the coating efficiency.
Owner:江苏迪丞光电材料有限公司

Weight loss type hand and foot coordination interest training method

The invention provides a weight loss type hand and foot coordination interest training method, which is performed through a set of hand and foot coordination rehabilitation interest training system. The system hardware comprises a training bed, a manual control device, a control cabinet, a main control computer, a display device for a patient and a main display screen, wherein an inclination angle of the training bed can be adjusted to realize various kinds of back support weight loss in different degrees; a left and right pedal assembly and other lower limb balance training mechanisms are arranged at one end of the training bed; the manual control device is arranged on one side of a bed frame; the manual control is combined with lower limb balance training to realize hand and foot coordination training; the display device for the patient mainly displays the game process in real time to realize game interaction; and the main display screen provides training parameters and static posturography for the reference for a doctor. A software system is provided with airplane-striking game software, and the patient plays games through a visual and auditory feedback system. By applying the hand and foot coordination training to the field of lower limb rehabilitation training, the method contributes to accelerating rehabilitation of the patient.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

Fixing support of mechanical jack of automobile and fixing method of jack

The invention relates to a fixing support of a mechanical jack of an automobile. The fixing support of the mechanical jack of the automobile is characterized by comprising a tension brace (21), a first supporting body (28) and a second supporting body (29), wherein the first supporting body (28) and the second supporting body (29) are symmetrically arranged at two ends of the tension brace (21). Limiting baffles (23) are respectively symmetrically arranged on the front sides and the rear sides of both a first supporting body supporting surface (22) of the first supporting body (28) and a second supporting body supporting surface (26) of the second supporting body (29). The fixing support of the jack further comprises a limiting rod and an adjusting device, one end of the limiting rod is fixed with a rear side vertical plate (27) of the tension brace (21) after penetrating through a jack recession (14), and the other end of the limiting rod and the adjusting device are matched with each other to jointly abut against the jack in a Z direction so as to perform fixing. The fixing support of the mechanical jack of the automobile is simple in structure and low in cost, enables the jack to be free of vibration during the vehicle driving process, reduces damage to other parts of an automobile body caused by the jack, and can reduce noise in the automobile.
Owner:CHERY COMML VEHICLE ANHUI

Projector assembly for automobile and projection equipment for automobile

The invention provides a projector assembly for an automobile and projection equipment for the automobile, relating to the technical field of automotive projection equipment. The projector assembly comprises a shell, a lens unit provided with at least one lens, a gesture identification module and a processor. The lens unit is arranged at the front end of the shell; the gesture identification module is arranged on the outer side of the shell convenient for the operation of people; the processor is arranged in a cavity in the shell, is connected with the gesture identification module and the lens unit and is used for controlling the gesture identification module to identify gesture information and project the lens unit, so that the technical problems that the automobile is single in function, the interacting property is poorer and the client experience in a travelling process of the automobile is poorer in the prior art are solved; and the technical effects of enhancing the functionalityof the automobile greatly, enhancing the interacting property and promoting the client experience in the travelling process of the automobile better can be achieved.
Owner:极鱼(北京)科技有限公司

Femoral neck Kirschner-wire positioning adjusting system

The invention belongs to the technical field of medical instruments, and discloses a femoral neck Kirschner-wire positioning adjusting system. The distance from a second layer channel, a third layer channel and a fourth layer channel to a firs layer channel parallel to a vertical axis is 3 degrees, 6 degrees and 9 degrees from near to far wherein the second layer channel, the third layer channel and the fourth layer channel are arranged on the entrance surface of a trimmer; the trimmer is mounted on honeycomb sleeves; the honeycomb sleeves sleeve a handle of a honeycomb guider, three holes arranged in an equilateral triangle mode are formed in the upper end of the handle of the honeycomb guider, and the holes sleeve the honeycomb sleeves. A first positioning Kirschner-wire can be quickly adjusted to the ideal position by the trimmer, and the adjustment can be quantified; after the first Kirschner-wire position is satisfied, the honeycomb sleeves are installed, and it is guaranteed thatthat the three Kirschner-wires are completely parallel and are close to femoral neck cortical bone; and problems that an existing positioner has poor stability and is provided with few channels, andparallel and accurate position is difficult to quickly shoot are solved.
Owner:杨淑野

Multi-connecting rod angle adjustment sofa bed

PendingCN108272270AEasy to operate by handOvercome the problem of not being able to adjust continuouslySofasCouchesHandrailMoving parts
The invention discloses a multi-connecting rod angle adjustment sofa bed. The multi-connecting rod angle adjustment sofa bed comprises a backrest, a handrail, a base, a rear pedal plate, a front pedalplate and a steering moving part, connecting rods in the base are driven by pushing forward and pulling back an adjustment rod in the handrail, then the connecting rod slides in a connecting rod groove, the angle is changed through the linkage of the backrest, the front pedal plate and the rear pedal plate, the adjustment rod is located and locked at any angle through a locating part located in the handrail part, so that the sofa bed is located, and the sofa and the bed are moved and steered through universal wheels in the steering moving part. The multi-connecting rod angle adjustment sofa bed has the advantages that the inclination angle of the backrest and the pedal plates can be freely adjusted or simultaneously adjusted, meanwhile, the multi-connecting rod angle adjustment sofa bed has the advantage that the sofa and the bed can be freely moved and steered at a certain angle and the structure of the sofa is stable, reliable and compact, and the multi-connecting rod angle adjustment sofa bed has an extensive application value on the aspects of use and operation.
Owner:COLLEGE OF SCI & TECH NINGBO UNIV

Switchgear

The invention relates to a switchgear, especially an automatic cut-out and / or a fault-current circuit breaker, said switchgear comprising a switch lever (1) for manually closing and / or opening switch contacts, and a release device for automatically separating the switch contacts, the switch lever (1) comprising an actuating extension (2). According to the invention, in order to prolong the service life of the switchgear, especially of the switch lever, a separate handle part (3) is arranged on the actuating extension (2).
Owner:MOELLER GEBAUDEAUTOMATION KG

Fixing support of mechanical jack of automobile and fixing method of jack

The invention relates to a fixing support of a mechanical jack of an automobile. The fixing support of the mechanical jack of the automobile is characterized by comprising a tension brace (21), a first supporting body (28) and a second supporting body (29), wherein the first supporting body (28) and the second supporting body (29) are symmetrically arranged at two ends of the tension brace (21). Limiting baffles (23) are respectively symmetrically arranged on the front sides and the rear sides of both a first supporting body supporting surface (22) of the first supporting body (28) and a second supporting body supporting surface (26) of the second supporting body (29). The fixing support of the jack further comprises a limiting rod and an adjusting device, one end of the limiting rod is fixed with a rear side vertical plate (27) of the tension brace (21) after penetrating through a jack recession (14), and the other end of the limiting rod and the adjusting device are matched with each other to jointly abut against the jack in a Z direction so as to perform fixing. The fixing support of the mechanical jack of the automobile is simple in structure and low in cost, enables the jack to be free of vibration during the vehicle driving process, reduces damage to other parts of an automobile body caused by the jack, and can reduce noise in the automobile.
Owner:CHERY COMML VEHICLE ANHUI

Self-locking mechanism for lifting machine

The invention provides a self-locking mechanism for a lifting machine. The self-locking mechanism comprises a driving movable flat-head rod, a driven movable flat-head rod, a movable shaft, a connecting shaft, a first U-shaped sliding block, a first installation seat, a second installation seat, a second U-shaped sliding block, a lifting linear sliding rail, a horizontal bead, a lifting table, a self-locking type anti-skid lifting rod structure, a manual electroless operation lifting rod structure, an adjustable anti-skid lifting clamping seat structure and an anti-falling bottom supporting fixed frame structure, and joints between the driving movable flat-head rod and the driven movable flat-head rod are movably connected through the movable shaft. By arranging a check ring, a lifting screw, a lifting nut, an installation lining seat, an electroless gear reducer and a hand wheel, manual lifting operation is conveniently carried out without electricity; and the hand wheel is held in hand for rotation, so that the electroless gear reducer drives the lifting screw to rotate in the installation lining seat, and the lifting nut drives the lifting table to perform a lifting action on the outer wall of the lifting screw, so that the mechanism working stability is ensured.
Owner:JIAXING VOCATIONAL TECHN COLLEGE

Construction drawing output method and device and electronic device

PendingCN109933902AEasy to operate by handImprove drawing convenience and flexibilitySpecial data processing applicationsShop drawingEngineering
The invention provides a construction drawing output method and device and an electronic device, and relates to the technical field of construction drawings, the method comprises the following steps:obtaining home decoration data corresponding to a target home decoration effect drawing, the home decoration data comprising home decoration design data and output drawing setting data; generating each geometric template corresponding to the target home decoration effect picture according to the home decoration design data; and generating a construction drawing corresponding to the target home decoration effect drawing according to each geometric template and the drawing setting data. Compared with the prior art, the construction drawing output method and device and the electronic device provided by the embodiment of the invention have the advantages that a user does not need to learn CAD software, the construction drawing corresponding to the target home decoration effect drawing can be automatically generated, the manual operation is simplified, and the drawing output convenience and flexibility are improved, so that the drawing requirements of home decoration designers are relieved.
Owner:GUANGDONG SANWEIJIA INFORMATION TECH CO LTD

Handle type door lock

The invention discloses a handle type door lock. The handle type door lock comprises a lock housing, wherein a handle is arranged on the lock housing; a lock hole is formed in the upper end surface ofthe handle; one end of the handle is sunken to form a step structure; the lower end of the step structure is treated as a mounting surface, and the higher end of the step structure is treated as a handheld surface; a vertical surface is arranged at a part where the mounting surface is connected to the handheld surface; the lock hole is formed in the mounting surface; a U-shaped limiting groove isformed in the vertical surface, and a U-shaped cover plate is arranged in the U-shaped limiting groove; two chutes which fit the U-shaped cover plate are symmetrically formed in the mounting surface;a through groove in which a clamping mechanism is arranged is formed between the two chutes in the upper end surface of the mounting surface; the clamping mechanism comprises a fixing plate on whichtwo limiting rods are symmetrically hinged; the two limiting rods are connected through an elastic part; limiting blocks are arranged at the outer sides of the limiting rods; and limiting grooves which fit the limiting blocks are formed in the sidewall of the through groove. The handle type door lock solves the problem that a lock hole in an existing door lock is easily blocked.
Owner:泸州胡氏兴福智能科技有限公司

Computer display screen facilitating office work

The invention discloses a computer display screen facilitating office work. The screen comprises a main body, a display screen body and a whole bottom fixing supporting base, supporting arms are arranged at the left and right sides of the bottom of the main body, and the lower ends of the two supporting arms are rotatably connected to the whole bottom fixing supporting base through rotation connection shafts; the display screen body is arranged on the front surface of the main body, loudspeaker boxes are arranged on the left and right sides, on the main body, of the display screen body, and afingerprint collection module and a display screen switch are arranged on the left portion of the lower side of the display screen body separately; an air outlet is formed in the middle of the lower side of the display screen body, a wind direction adjustment plate is arranged in an opening of the air outlet, and multiple air inlets are formed in the lower portion of the reverse surface of the main body; the air outlet and the air inlets are both communicated with a fan cavity in the main body, and a fan is arranged in the fan cavity. The computer display screen facilitating office work is diverse in function, convenient to use and adjust and high in safety and further has the ventilation and cooling functions for the human body, and the display screen is conveniently applied and popularized.
Owner:苏州汇恒网络科技有限公司

A split type ladle needle jumper

The invention relates to a split-type steel ladle pin jumper wire. The split-type steel ladle pin jumper wire comprises an optical fiber cable, an optical fiber base pin and a connector, wherein the connector comprises a first connecting part and a second connecting part; the first connecting part is arranged on the optical fiber base pin in a sleeving manner; the second connecting part is arranged on the optical fiber cable in the sleeving manner; an annular groove is concavely formed in the inner circumference of the first connecting part; a convex ring matched with the annular groove is arranged at one end, close to the first connecting part, of the second connecting part; a protective jacket is arranged on the outer circumference of the connector in the sleeving manner; a propping block in fastened fit with the protective jacket is arranged at one end, away from the optical fiber base pin, of the protective jacket; a handheld part is arranged on the outer circumference of the protective jacket. The split-type steel ladle pin jumper wire disclosed by the invention has the advantages that the structure is simple and reasonable, water resistance can be realized, materials are saved, and direct manual operation is facilitated.
Owner:宁波宇达光电股份有限公司

A kind of dynamic cell culture apparatus and cell culture system

The present invention provides a dynamic cell culture device and a cell culture system. The dynamic cell culture device includes a rectangular parallelepiped housing, and the inside of the housing is provided with multi-layer culture chambers distributed from bottom to top and parallel to each other. The two opposite sides of the casing are respectively provided with a liquid inlet chamber and a liquid outlet chamber. The other two opposite sides of the body are respectively provided with a liquid inlet (11) and a liquid outlet (31), and the connection line between the liquid inlet (11) and the liquid outlet (31) is the shell The body diagonal of the body, the liquid inlet (11) communicates with the liquid inlet chamber, and the liquid outlet (31) communicates with the liquid outlet chamber. The dynamic cell culture device provided by the present invention has high convenience in use, is suitable for manual operation, and can reduce the risk of contamination in the cell culture process, and can realize harvesting of a large number of cells in one culture.
Owner:GUANGZHOU JET BIOFILTRATION CO LTD

Double-row thumb musical instrument easy to play

PendingCN112863458AEasy to find soundNo mixingStringed musical instrumentsPianoBass (sound)
The invention discloses a double-row easy-to-play thumb piano, and the musical instrument comprises a piano key group A and a piano key group B which are arranged back to back; each of the piano key group A and the piano key group B is provided with nine piano keys, the nine piano keys are distributed in a staggered manner and are different in length, and the musical scale arrangement sequence of the piano keys of the piano key group A1 from left to right is D4, A4, B3, F4, G3, E4, A3, G4 and C4 in the international acoustics pitch recording method; the alto 2, the alto 6, the bass 7, the alto 4, the bass 5, the alto 3, the bass 6, the alto 5 and the alto 1 in the pitch mark of the C-tone numbered musical notation. Two rows of musical scales are distributed to form a high and low pitch staggered distribution structure, so that sound finding is facilitated during finger operation, sound mixing is avoided, back-to-back arrangement and mutual interference are avoided, two persons can be operated and used simultaneously, the use pleasure is increased, and meanwhile, the sound harmonizing effect is good.
Owner:涟水新东声乐器有限公司

Animal tracheal cannula device

The embodiment of the invention provides an animal trachea cannula device. The animal trachea cannula device comprises an LED light source (1), a connecting component (9) connected to the light-emitting end of the LED light source (1) in a sleeving mode, an optical fiber (7) which passes through the connection component (9) and is locked, and an trachea cannula (5) in taper connection with the connecting component (9), wherein the first end of the optical fiber (7) is connected with the light-emitting end of the LED light source (1), and the second end of the optical fiber (7) penetrates through the trachea cannula (5). According to the trachea cannula, light of the LED light source is guided out to the front end of the trachea cannula through the optical fiber, the connecting component and the trachea cannula are in taper connection, the trachea cannula can be matched with trachea cannulas of different specifications, the structure is compact, handheld operation is convenient, the LEDlight source cannot be shielded when the trachea cannula is used for intubation of animals, intubation accuracy is improved, and damage to the trachea is small.
Owner:RWD LIFE SCI

A kind of pill quantitatively takes out the bottle cap

ActiveCN111891571BPrevent a lot of spillingAvoid taking medication errorsSmall article dispensingEngineeringBottle cap
A dose of pills is taken out of the bottle cap. The upper part of the bottle cap body with a flat upper surface is equipped with a push bar. The head end of the push bar is inserted into the cover door protruding from one end of the top end of the bottle cap body. The end of the push bar protrudes from the outer edge of the other end of the bottle cap. The elastic rubber band covers respectively cover the hanging blocks on the body so as to be combined. Tilt the medicine bottle towards the discharge port on the bottle cap and push the push bar until the fingers are blocked by the outer edge of the bottle cap, the drug delivery groove on the push bar will transport and pour out the quantitative medicine particles. When the finger is removed, the elastic rubber band cover makes the door sealing end at the head end of the push bar coincide with the edge of the cover door, and the device automatically closes. The invention can be operated blindly with one hand, and the operation conforms to people's traditional habit of pouring medicine from an open medicine bottle. . The invention is convenient for production and assembly, and is especially suitable as a quantitative extraction device for medicine bottles with a common size of 8 mm or less, and can also be used for packaging of candy and other commodities.
Owner:李德龙

Bent pipe machining device of small-diameter thin-walled pipe for spraying and atomizing in deodorization equipment

The invention discloses a bent pipe machining device of a small-diameter thin-walled pipe for spraying and atomizing in deodorization equipment, the bent pipe machining device comprises a positioning bracket, a fastening assembly, a first positioning shaft, a fixed and movable pulley fixing rotating arm, a fixed pulley and a movable pulley, and the peripheries of the fixed pulley and the movable pulley are respectively provided with a circular arc groove matched with the outer wall of a to-be-bent pipe fitting. One end of the to-be-bent pipe fitting penetrates through a pipe bending hole and is fastened to the fastening assembly, the to-be-bent position of the to-be-bent pipe fitting is located at the pipe bending hole, and a supporting ball at the front end of a movable screw rod is always located at the stressed position of the pipe bending hole by adjusting a tightening nut. The bent pipe machining device of the small-diameter thin-walled pipe for spraying and atomizing in the deodorization equipment can ensure that the bent pipe part is not flat, wrinkled or broken, the appearance is smooth, and the bent pipe machining device is very suitable for trial production of products and small-batch production, simple in manual operation, low in investment and quick in effect taking.
Owner:ZHEJIANG AIKELE ENVIRONMENTAL PROTECTION

A kind of cell culture device and its cell box

The invention provides a cell culture device and a cell box thereof. The cell box is in the shape of a cuboid and comprises a bottom cover (1), a plurality of partitions (2) and a top cover (3) stacked in sequence, and the partitions (2 ) has a first pool groove and a first rib on both sides, and the two first pool grooves stacked together form a middle chamber, and the two first ribs stacked in close contact make multiple middle chambers on the same layer Independent of each other; the second tank of the bottom cover (1) is docked with the first tank of the partition (2) to form a bottom chamber, the third tank of the top cover (3) and the first tank of the partition (2) The grooves are butted to form the top chamber, and both the bottom cover (1) and the top cover (3) have two kinds of ribs, one is in close contact with the first rib of the partition (2) over the entire length, and the other is at the end There are gaps. The cell box provided by the invention has high convenience in use, is suitable for manual operation, and can reduce the risk of contamination in the cell culture process, so that a large number of cells can be harvested in one culture.
Owner:GUANGZHOU JET BIOFILTRATION CO LTD

Vibration testing machine

The invention provides a vibration testing machine which is used for testing a workpiece. The workpiece comprises a sliding block and a sliding plate. The vibration testing machine comprises a tool which fixes the sliding plate, a third basic portion which fixes the tool, a second basic portion which bears the third basic portion, a first pressure imposing device which imposes pressure on the workpiece, a driving device which drives the sliding block to slide, a second pressure imposing device exerting certain pressure on the sliding block and an acceleration sensor which is arranged below the workpiece, wherein the tool comprises a base and lifting handles which are arranged at two ends of the base. Due to the lifting handles, the tool can be handily lifted and manual operation is convenient.
Owner:SIP GOLDWAY TECH

Production of electrically conductive vehicle component

The invention relates to a method for producing an electrically conductive vehicle component (B1), in which a base element (1), on which at least one electrically contactable functional element (1b) is mounted, is introduced into a forming tool (W1) and at least one surface of the introduced base element (1) is connected to a molding material (S) in a non-releasable manner, wherein the base element (1) is introduced into the forming tools (W1; W2) such that a connection device (2) present on the base element (1) for making electrical contact with the at least one functional element (1b) is covered relative to the molding material (S). The vehicle component (B1) comprises a base element (1), on which at least one electrically contactable functional element (1b) is mounted and which is connected in a non-releasable manner to a molding material (3, S) , the vehicle component (B1) having been produced by means of the method.
Owner:LISA DRAXLMAIER GMBH

Sanitary paper beverage box seal

A sealing material is adhered to a suction pipe inserting hole on the top surface of a paper beverage box, wherein the sealing material comprises two parts, one part is a sealing part and the other part is a non-sealing part; the sealing part is made of a thin material such as plastic or paper; the sealing part of the sealing material and the top surface of the paper beverage box are connected together in an adhering mode; the sealing part can be square, round or any other shape; and the non-sealing part is slightly turned up to facilitate manual operation. By adoption of the scheme, the sanitary paper beverage box seal is very convenient to use, and simultaneously the sanitation of the suction pipe inserting hole can meet standard when a suction pipe is inserted into the suction pipe inserting hole.
Owner:袁毅

Winding device and winding method of module spiral winding pipe

PendingCN112606369ASelf-winding extensionSimple structureElectric machineryControl theory
The invention discloses a winding device of a module spiral winding pipe. The winding device comprises a working panel, a plurality of hold-down rollers arranged at one side of the working panel and a motor I; the winding device is clamped on a pipe wall through the plurality of hold-down rollers; the plurality of hold-down rollers include inner rollers and outer rollers clamped on the inner wall of the winding pipe, and an arc track fitting the pipe wall is formed between the outer rollers and the inner rollers; the working panel is provided with a feeding hole for connecting to-be-connected modules into the winding pipe; the feeding hole is arranged at one side of the hold-down rollers and is opposite to the position of a to-be-connected module at the joint; and the to-be-connected modules are connected onto the spiral winding pipe in the arc track after passing through the feeding hole. The invention further discloses a winding method of the module spiral winding pipe. According to the winding device and winding method of the module spiral winding pipe disclosed by the invention, the procedures of production, forming, handling and the like are reduced, and the cost and the labor force are reduced; the spiral winding pipe can be directly installed and formed in a groove, so that time and labor are saved; and the pipeline is free of a joint and can be infinitely extended.
Owner:中道(重庆)管业有限公司

Section connecting structure for drill rod of rotary drilling rig

The invention relates to a section connecting structure for a drill rod of a rotary drilling rig. The section connecting structure comprises the drill rod, a core rod and drive rods. An inner key in the length direction is arranged in each drive rod. Strip-shaped outer keys with the length equal to that of the drill rod are arranged outside the drill rod and the outer edge of the core rod in the length direction. A plurality of pressure-bearing parts are arranged on the outer side of each drill rod section. The drill rod is divided into a plurality of sections according to the pressure-bearing parts of all the drill rod sections, and the drill rod sections are connected through arranged joint structures. According to the section connecting structure, the drill rod is divided into the plurality of sections according to the pressure-bearing parts, every two drill rod sections are connected through one joint structure, the drill rod is stressed more uniformly, and the coaxiality and the straightness of the drill rod are ensured; in the stressing process, the joint structures have bending-resistant and torsion-resistant effects, the fatigue degree of the drill rod in the using process is reduced, and the drill rod is beneficial for selecting steel tubes.
Owner:赵鑫宇
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