18 results about "Spiral joint" patented technology

The invention discloses a barring engaging and automatic disengaging device, and relates to the field of auxiliary equipment of steam turbines. The invention aims to solve the problems of complex structure, large axial occupied space and higher cost of the joint locking clutch of the existing electric barring. The static joint component comprises a rotor (8) and a fixed sliding plug (3), the rotor (8) is sleeved with the fixed sliding plug (3), the fixed sliding plug (3) is provided with a slot (39) with a spiral joint face, and the inclination angle of the spiral joint face is 10-35 degrees; the sliding component comprises a movable sliding plug (37), and inserting teeth on the movable sliding plug (37) are connected with inserting grooves (39) of the fixed sliding plug (3) in an inserted mode and transmit power. And when the rotating speed of the rotor (8) is 8%-15% higher than that of the movable sliding plug (37), the movable sliding plug (37) is automatically separated by axial component force generated by the spiral joint surface. The device is used for connection and automatic disconnection between the steam turbine rotor and the turning gear main body.

The invention discloses a dual-purpose mounting structure of a pole-mounted circuit breaker, relates to the technical field of power equipment, and aims to solve the technical problems that the matching precision of the mounting structure and a circuit breaker body is influenced by temperature fluctuation, and the service life is influenced. Through collaborative design of the two-way shape memory alloy deformation sleeve, the self-adaptive bolt, the spiral section and the waterproof heating structure, efficient dual-purpose adaptation to the cold winter environment and the high-temperature summer environment is achieved, at the high temperature summer, the deformation sleeve is heated to expand to push the positioning ring to be matched with the self-adaptive bolt expansion sleeve to stretch elastically, rigid extrusion of metal parts is avoided, and the service life of the metal parts is prolonged. Meanwhile, the spiral section is driven to secondarily press the rubber layer, the wind resistance and skid resistance are improved, and stable fixation under high-temperature strong wind is guaranteed; in extremely cold winter, the deformation sleeve is subjected to phase change shrinkage to pull the positioning ring, the self-adaptive bolt fills the cold shrinkage gap, the spiral drainage track dredges dew, the metal net is heated to prevent icing, and the pressing force of the spiral joint is matched to avoid the risk of gap expansion and slipping.

Spiral forming methods can be used to join edges of a rolled material along a spiral joint to form conical and / or cylindrical structures. Alignment of the edges of the rolled material can be controlled in a wrapping direction as the material is being joined along the spiral joint to form the structure. By controlling alignment of the edges of the material as the edges of the material are being joined, small corrections can be made over the course of forming the structure facilitating control over geometric tolerances of the resulting spiral formed structure.

An oil drainage device under a pump is characterized in that an outer suspension joint and an inner suspension joint are connected into a whole in a hanging mode and can rotate relatively, an outer thread of a spiral joint is screwed with an inner thread of the lower portion of a lower joint of the pump, and after the inner suspension joint is arranged on the spiral joint in a sleeving mode, the upper portion of the outer suspension joint is connected with the lower portion of the lower joint; an anti-rotation groove is formed in the lower portion of the spiral connector, the anchoring device is sleeved on the inner suspension connector, the anti-rotation pin transversely penetrates through the anchoring device and the inner suspension connector, the inner end of the anti-rotation pin is inserted into the anti-rotation groove, the spiral connector and the anchoring device cannot rotate relatively and can move relatively in the axial direction through the anti-rotation pin, and an ejector rod is arranged on the upper portion of the spiral connector. The upper portion of the pump lower connector is connected with the lower portion of an oil inlet valve of the oil well pump, the ejector rod is located below a valve ball of the oil inlet valve of the oil well pump and installed below the oil well pump, no sealing part exists on the ejector rod, the leakage problem does not exist, the well descending reliability of the oil drainage device and the reliability of the oil drainage device can be improved, and long-term normal production of an oil well is guaranteed.

The utility model relates to the technical field of Luer connectors, in particular to a Luer connector plug convenient to apply force, which is good in sealing effect and comprises a spiral connector, an inner pipe is mounted in the spiral connector, a first blocking piece sleeved on the outer wall of the inner pipe is mounted in a Luer female connector, and a second blocking piece sleeved on the outer wall of the inner pipe is mounted in the Luer female connector. The right side of the first blocking piece is fixedly connected with a limiting barrel, a first sealing gasket is installed on the inner wall of the limiting barrel, the male Luer connector comprises a connecting piece, an outer pipe in threaded connection with the outer wall of the inner pipe is installed on the left side of the connecting piece, a second blocking piece is installed on the outer wall of the outer pipe, and the outer pipe is in threaded connection with the outer side of the inner pipe. Meanwhile, the outer pipe is connected with the first sealing gasket in an abutting mode, then the sealing performance of connection between the outer pipe and the inner pipe can be guaranteed, the interior of the spiral connector can be sealed through the second sealing gasket, and therefore the sealing performance of connection between the female Luer connector and the male Luer connector is achieved; and secondly, the connected Luer female connector and Luer male connector are pushed to be connected with a pipeline through a pushing plate.

This invention discloses a dual-purpose installation structure for pole-mounted circuit breakers, relating to the field of power equipment technology. It aims to solve the technical problem that temperature fluctuations affect the fit accuracy between the installation structure and the circuit breaker body, thus impacting service life. Through the synergistic design of a bidirectional shape memory alloy deformable sleeve, adaptive bolts, a spiral joint, and a waterproof heating structure, this invention achieves efficient dual-purpose adaptability to both cold winter and high summer environments. In hot summer conditions, the deformable sleeve expands due to heat, pushing the positioning ring. Combined with the adaptive bolts, the expansion sleeve elastically stretches, preventing rigid compression of metal components. Simultaneously, it drives the spiral joint to secondary compress the rubber layer, enhancing wind resistance and anti-slip capabilities, ensuring stable fixation under high temperatures and strong winds. In extremely cold winter conditions, the deformable sleeve contracts due to phase change, pulling the positioning ring. The adaptive bolts fill the gaps caused by cold contraction, the spiral drainage track guides condensation, and the heated metal mesh prevents icing. Combined with the clamping force of the spiral joint, it avoids the risk of gap widening and slippage.

The utility model provides a kind of broadcast television signal transmission cable connecting structure of quick assembly disassembly, it is related to broadcast television signal accessory technical field, and it includes: joint main part, the joint main part center longitudinal through opening has wire head perforation, the bottom center of joint main part is equipped with cable socket, wire head perforation is coaxial with cable socket, the lower end of joint main part is fixedly connected with the spiral joint sleeve of aluminium alloy material, the spiral joint sleeve side wall is equipped with two joint sleeve adjusting notches, joint sleeve adjusting notch is fixedly connected with elastic lock plate inside, the spiral joint sleeve is installed with the tightening screw sleeve outside, the cable joint of the utility model is more easily installed in cable end, it is quick to operate, and installation difficulty is low, without professional personnel can be operated and installed oneself, solve the need to be assisted by tool and be fixedly locked in cable end joint with cable end metal wire, operation process is not enough convenient, the connection efficiency of cable joint is low, and the problem that professional personnel hand-held tool is operated.

A rail (1, 1') for use in a vending machine (10, 10') with a spiral conveyor (11, 11'), comprising an elongated base body (2) with a straight support surface (3), is characterized in view of the task of specifying a vending machine with a spiral conveyor with which products can be easily stored and conveyed within the vending machine and can be easily and precisely dispensed from the vending machine, in that a first connecting piece (4, 4', 4") for connecting to a spiral coupling (12) is arranged at one end of the base body (2) and a second connecting piece (5, 5', 5", 5''') for connecting to a product drawer (13, 13') is arranged at the opposite end of the base body (2).

The utility model relates to the technical field of hose connectors, and discloses a buckling type hydraulic hose connector which comprises a connector, the end of the connector is in threaded connection with a spiral connector, and a collecting assembly is arranged on the outer side of the connector. Through the arrangement of the bundling assembly, under the cooperation of the arc-shaped opening in the adjustable hoop and the arc-shaped protruding blocks, the connecting part between the hydraulic hose and the connector can generate a concave limiting part, meanwhile, the multiple arc-shaped protruding blocks and the multiple small intervals separated by the arc-shaped opening are matched, and the small intervals are relatively independent; and meanwhile, the end of the hydraulic hose is blocked through the fixing ring and the arc-shaped ring, so that water vapor or other liquid in the external environment is prevented from entering the connecting part between the hydraulic hose and the connector, and the leakage of the hydraulic hose is avoided. And the service life of the hose connector is prolonged, and the using effect of the hose connector is improved.

A front-swing spiral pipe welding machine includes a front bridge, a spiral former, and a rear bridge, characterized in that: a base is provided at the bottom of the spiral former, the base is fixed to the ground, the spiral former can rotate horizontally relative to the base around its swing center, and the rotation center of the front bridge and the spiral former is hinged to the same axis as the swing center, the other end of the front bridge is provided with a ground anchor and an oil cylinder, the ground anchor is fixed to the ground, one end of the oil cylinder is hinged to the front bridge, and the other end is connected to the ground anchor, and a forming angle locking rod is also provided between the front bridge and the spiral former, the length of the forming angle locking rod is adjustable, and the two ends of the forming angle locking rod are respectively connected to the side of the front bridge and the side of the spiral former. The present invention provides a spiral former and a front bridge that rotate horizontally with a small amplitude synchronously, so that the spiral angle θ remains unchanged and the spiral joint gap can be adjusted to an appropriate state. The spiral pipe welding machine has better production quality, higher production efficiency, and higher safety.

The utility model relates to the technical field of bellows joint, especially spiral joint for polyethylene single wall spiral bellows, including two respectively fixed mounting in the joint of bellows both ends, wherein one of the joint surface fixed mounting has first hollow pole, another the joint surface fixed mounting has second hollow pole, wherein one of the joint surface is circularly fixed mounting and has a plurality of round rods, another the joint surface is opened and has annular groove for a plurality of round rods insertion, the annular groove groove wall is circularly opened and has a plurality of through -holes, the through -hole in slide insertion has inserted rod, and one end fixed mounting has clamping plate in the inserted rod in annular groove, the round rod surface is opened and has bayonet for clamping plate card into. The joint realizes preliminary fixation through the thread cooperation of first hollow pole and second hollow pole, and at the same time utilizes a plurality of round rods to insert annular groove, and cooperates clamping plate to form secondary locking to avoid the problem that threaded connection is easy to loosen.

The utility model discloses a kind of quick-change mould of sealing mechanism magnetic attraction positioning structure, it is related to mould technical field.The utility model includes fixed seat and punch die;Positioning structure, including the installation groove being opened in the inside of the front end of punch die, the adjusting plate being slidably inserted in the inside of installation groove, the top groove being opened in the inside of adjusting plate upper end, the magnetic block one and magnetic block two being fixed in the inside of top groove, the rotating seat being embedded and installed in the inside of fixed seat lower end, the ring seat being rotatably installed in the inside of rotating seat, the butt joint column being located in ring seat lower end, the butt joint groove being opened in the inside of punch die upper end, the spiral groove being opened in butt joint groove inner wall, the spiral pin being located in butt joint column outer wall, the magnetic block three being fixed in butt joint column lower end, spring one being connected with adjusting plate and installation groove.The utility model is positioned by setting structure, and when punch die is disassembled, it is slowly separated by the spiral joint of spiral pin and spiral groove, to solve the problem that punch die directly separates fixed seat when disassembling, and it is easy to cause punch die to hit assembly personnel.

The utility model relates to the technical field of drill rod joints, and discloses an impact-resistant threaded structure of a thick-wall drill rod joint, which comprises a rod body, spiral grooves are arranged on the left side and the right side of the inner wall of the rod body, the inner walls of the spiral grooves are in threaded connection with two-way joints, and spiral joints are arranged on the left side and the right side of the outer wall of each two-way joint. A first gasket is fixedly connected to the outer wall of the two-way connector, connecting columns are fixedly connected to the outer wall of the first gasket, threaded rods are connected to the inner walls of the multiple connecting columns in a threaded mode, a short connector is connected to the right side of the outer wall of the two-way connector in a threaded mode, and a buckle groove is formed in the left side of the outer wall of the short connector. The right side of the outer wall of the short connector is fixedly connected with a circular ring. According to the utility model, the connecting column on the gasket I is connected with the screw rod, the short joint is connected with the clamping seat, then the clamping spring in the clamping seat is used for clamping with the fixing block outside the drill bit, and finally the circular ring is used for limiting, so that multiple connection is realized.

The utility model relates to the technical field of medical instruments, and provides a spiral connector assembling device which comprises an assembling mechanism and two conveying mechanisms, and the two conveying mechanisms are used for conveying a male connector and a female connector into the assembling mechanism; the assembling mechanism comprises a rack, a mounting disc rotationally mounted on the rack, a guide seat fixed to the rack and a driving part used for driving the mounting disc to rotate, and the mounting disc is provided with a plurality of first mounting grooves allowing male connectors to be inserted; the mounting disc is provided with a plurality of movable structures, all the movable structures are in one-to-one correspondence with the first mounting grooves, and the movable structures are provided with second mounting grooves allowing female heads to be inserted; when the movable structure abuts against the guide base, the movable structure moves towards one side of the first installation groove, and the male head in the first installation groove and the female head in the second installation groove are assembled. According to the spiral connector assembling device, efficient and accurate automatic splicing of the male Luer connector and the female Luer connector is achieved.

The utility model relates to an anti-slip retaining structure, belongs to the technical field of spiral joints, and particularly relates to an anti-slip retaining structure applied to a spiral joint, which comprises a spiral connecting part I. A threaded connecting cylinder is fixedly mounted on the surface of the spiral connecting part I; the outer part of the spiral connecting part I is in threaded connection with a spiral connecting part II through a threaded connecting cylinder; according to the utility model, the effect of stably fastening the spiral joint is achieved, and the problems that although the anti-skidding and retaining structure of the joint can be realized through a locking and retaining groove in a retrieval patent, the joint is locked and fixed through a fastening screw rod, the use is inconvenient, and a common anti-skidding and retaining structure is a threaded structure, so that the use is inconvenient are solved. However, the problem of failure in a high-vibration environment is solved.

The utility model designs a corrugated spiral joint cable protection pipe, which adopts a structure that a corrugated pipe is connected with spiral joints at two ends, adopts a spiral joint pipe connection mode, and comprises a corrugated pipe body 1, spiral joints 2 and spiral joint pipes 3, the spiral joints 2 are arranged at the two ends of the corrugated pipe body 1, and the inner diameter of the spiral joints 2 is consistent with that of the corrugated pipe body 1; the two connected spiral joints 2 are connected through the spiral joint pipe 3; the pipeline construction operation is convenient, and the device is suitable for buried cable engineering.

The application discloses a spiral driving snake robot trajectory tracking method based on reinforcement learning and relates to the technical field of trajectory tracking control. The current position state of the spiral driving snake robot is captured through optical motion capture, and the current position state comprises the X coordinate, the Y coordinate and the yaw angle of the position where the spiral driving snake robot is located; according to the current position state of the spiral driving snake robot and a current desired target point, the execution action of the spiral joint of the spiral driving snake robot is obtained through a strategy neural network model and model predictive control; the execution action is used for controlling the rotation speed and the rotation direction of the spiral joint; and the spiral driving snake robot is controlled to move according to the execution action of the spiral joint. The spiral driving snake robot trajectory tracking is precisely controlled.

The application discloses a kind of installation methods based on spiral concrete conduit in deep foundation pit engineering, it is related to pile in-pouring concrete technical field.Before pouring, the length of required conduit is determined; conduit is sequentially connected by multiple sectional pipes, and inner and outer spiral joints are arranged at upper and lower ends; after the completion of the whole conduit connection, water tightness, pressure bearing property and joint tensile strength test are carried out; after test is qualified, crane hoists conduit into pile hole; during concrete pouring, concrete enters into spiral conduit through hopper; after pouring is completed, each sectional pipe is disassembled and cleaned.The application solves the problem of concrete segregation that easily occurs during concrete pouring of deep foundation pit support pile in existing foundation pit support engineering.