59results about How to "Avoid overturning moment" patented technology

The invention discloses a speed limiter and safety gear linkage system based on an elevator. The speed limiter and safety gear linkage system based on the elevator mainly solves the problems that in the prior art, a speed limiter and safety gear linkage system is complex in structure and high in cost, and especially a speed limiter of an elevator without a machine room is inconvenient to install, maintain, inspect and check. The speed limiter and safety gear linkage system based on the elevator comprises a speed limiter, a speed limiter rope, a guiding adjusting mechanism, a lifting winding drum, a linkage mechanism, a lifting steel rope and safety gears, wherein the speed limiter is arranged on the car roof of a lift car of the elevator, the speed limiter rope is wound around the speed limiter, the upper end of the speed limiter rope is fixedly connected with the top of a shaft of the elevator, the lower end of the speed limiter rope is fixedly connected with the bottom of the shaft of the elevator, the guiding adjusting mechanism is used for detecting whether the speed limiter rope is tensioned or not at any time, the lifting winding drum and the speed limiter are arranged in a coaxial mode, the speed limiter drives the lifting winding drum to rotate through the linkage mechanism, and the lifting steel rope is wound around the lifting winding drum. According to the speed limiter and safety gear linkage system based on the elevator, the speed limiter is arranged on the car roof of the lift car of the elevator, one longitudinal speed limiter rope is adopted, the existing speed limiter and safety gear linkage system of a lift car of the elevator is simplified, and the speed limiter and safety gear linkage system of the elevator are optimized and upgraded comprehensively.

The invention discloses a comprehensive structure of semi-submersible offshore wind power and an aquaculture fishery platform. The comprehensive structure comprises a draught fan and a fishery platform arranged at the bottom of the drought fan, the fishery platform comprises a semi-submersible frame, the semi-submersible frame is a cuboid, the semi-submersible frame comprises four vertically arranged pontoons, transverse supporting and diagonal supporting for connecting the pontoons, and netting is fixed to the side wall and the bottom of the semi-submersible frame; and mooring cables are fixed to the bottom of the pontoons, and the bottoms of the mooring cables are fixedly connected with anchors arranged on seabed. According to the comprehensive structure of the semi-submersible offshorewind power and the aquaculture fishery platform, the offshore wind power technology and the deep sea aquaculture equipment technology are integrated, the offshore wind power is directly used in electrical equipment of the fishery platform, the cost of long-distance transmission is saved, a new way is also provided for offshore wind power resources, and the problem of difficult to balance the offshore wind power and terrestrial thermal power is eased.

A cyclic loading shear tester for observing the mechanical characteristics of interface between earth and structural member is composed of the earth container carriage with organic glass window, normal boundary control unit put on structural plate on the earth, data acquisition system, and hydraulic loading and control system. Its advnatages are high test and measuring precision, and use of digital photography.

The invention relates to a marine lifting platform. According to the marine lifting platform, a plurality of first plug-pin holes are formed in the side face of a lifting platform body (1) and correspond to upper locating plug-pin assemblies (6) fixed to a hatch, and the first plug-pin holes are matched with the upper locating plug-pin assemblies (6) in use, so that the upper plane of the liftingplatform body (1) is flush with a deck on the periphery of the hatch; the lifting platform body (1) moves up and down along vertical guide rails (2); and first limiting rollers (4) symmetrically arranged at the left end and the right end of the inner side of the lifting platform body (1) make contact with the outer side faces of the vertical guide rails (2). The lifting platform body (1) and the vertical guide rails (2) form limiting motion through the first limiting rollers (4), overturning moment formed by dead weight and unbalanced loading of the lifting platform body can be overcome, and stable transport of goods and materials is guaranteed; and the multiple first plug-pin holes are formed in the side face of the lifting platform body and are correspondingly matched with the upper locating plug-pin assemblies (6) fixed to the hatch in use, so that the lifting platform body can be flush with the deck on the periphery, and the movement of a transport trolley is facilitated.

A fluid spraying device of metal materials is used for spraying fluid for an object to be sprayed (4). The fluid spraying device comprises a shell composed of an upper bearing portion (92) and a lower driving containing portion (91). The upper bearing portion (92) is in sliding fit with a plurality of guiding rods (93) fixedly connected with an adjusting base (101) to achieve bearing. The adjusting base (101) is in sliding fit with a sliding groove (102) formed in a machine frame (100). An adjusting motor (21) capable of adjusting the height of the adjusting base (101) is installed at the upper end of the machine frame (100). An internal thread gear disc (96) is clamped into an inner cavity (920) of the upper bearing portion (92) through a thrust bearing. An internal thread is arranged on the inner circumference of the internal thread gear disc (96) and used for being in fit with a walking screw (95) which is parallel to the guiding rods (93) and penetrates through the inner cavity (920).

A fluid spraying assembly convenient and fast to operate is used for spraying fluid towards a to-be-sprayed object (4) and comprises an outer shell (9) composed of an upper supporting part (92) and a lower driving and containing part (91). The upper supporting part (92) is in sliding fit with a plurality of guide rods (93) fixedly connected with a fixing base frame (100) to realize supporting. An inner threaded gear plate (96) is clamped in an inner cavity (920) of the upper supporting part (92) through a thrust bearing. An inner thread is arranged in the inner periphery position of the inner threaded gear plate (96) and used for being matched with a traveling screw (95) which is parallel to the guide rods (93) and penetrates through the inner cavity (920).

The invention relates to a fluid spraying assembly with a simple structure for spraying a fluid to a sprayed object (4). The assembly comprises a housing (9) formed by an upper supporting part (92) and a lower driving accommodating part (91), wherein the upper supporting part (92) is slidably matched with a plurality of guide rods (93) which are fixedly connected to a fixed base frame (100) to realize supporting; an internal thread gear disc (96) is clamped in an inner cavity (920) of the upper supporting part (92) through a thrust bearing; and an internal thread is arranged at the inner circumference of the internal thread gear disc (96) for being matched with a traveling screw (95) which is parallel to the guide rods (93) and penetrates through the inner cavity (920).

A fluid spraying device convenient to lock is used for spraying fluid to a to-be-sprayed object (4), and comprises a shell (9) consisting of an upper supporting part (92) and a lower drive containing part (91); supporting is realized by the upper supporting part (92) through sliding fit between the top supporting part (92) and a plurality of guide rods (93) fixedly connected with a fixed bed frame (100); an internal thread gear plate (96) is arranged in an inner cavity (920) of the upper supporting part (92) through a thrust bearing in a clamping manner; the inner circumference of the internal thread gear plate (96) is provided with internal threads used for being matched with a walking screw (95) which is parallel to the guide rods (93) and penetrates through the inner cavity (920).

A fluid spraying assembly achieving uniform spraying is used for spraying fluid to a sprayed object (4). The fluid spraying assembly comprises a shell (9) composed of an upper support portion (92) and a lower containing driving portion (91), the upper support portion (92) is in sliding fit with multiple guiding rods (93) which are fixedly connected with a fixing base frame (100) to achieve supporting, an internal thread gear disc (96) is arranged in an inner cavity (920) of the upper support portion (92) in a clamped mode through a thrust bearing, and the internal circumference of the internal thread gear disc (96) is provided with an internal thread used for being matched with a walking screw (95) which is parallel to the guiding rods (93) and penetrates through the inner cavity (920).

The invention discloses a fluid spraying device for the surface of steel. The fluid spraying device is used for spraying fluid to a sprayed object (4) and comprises a shell (9), wherein the shell (9) consists of an upper supporting part (92) and a lower driving and containing part (91); the upper supporting part (92) is matched with a plurality of guiding rods (93) in a sliding manner to realize supporting, and the plurality of guiding rods (93) are fixedly connected with a fixed base frame (100); an inner thread gear disc (96) is clamped in an inner cavity (920) of the upper supporting part (92) by a thrust bearing; inner threads are arranged at the inner circumferential position of the inner thread gear disc (96) and are used for matching with a traveling screw (95) which is parallel to the guiding rods (93) and penetrates through the inner cavity (920).

The invention belongs to the airframe structure and interior decoration design technology and relates to a brace structure of a seaplane, which comprises a front brace (1) and a rear brace (2); Considering the bearing capacity of the fuselage structure and the need to overcome the overturning moment of the seaplane when taking off, landing and parking on the water surface, the invention is designed as a double-beam type strut structure, and a plurality of stable triangles are formed in the space. The front support is 70% of the length of the front of the buoy step, and the rear support is nearthe buoy step to reduce the additional bending moment when the buoy touches water. The brace is simple in structure, direct in force transmission, good in workmanship and easy to process. A target type of buoy can be quickly installed on the CVEHICLE 23 land-based aircraft.

The invention relates to an indication device (1) having: an annular indicator (2), which is movably supported in the circumferential direction (5); and a drive unit (3), which is movably supported in the circumferential direction (5). (5) The annular indicator (2) is driven, wherein the annular indicator (2) interacts with the stop (10) in a limited manner with respect to the circumferential movement of the annular indicator. Especially during synchronization, radial decoupling often occurs in conventional annular indicators, which is avoided by the invention. In order to solve this problem it is recommended to arrange the stopper (10) directly near the drive unit (3). A decisive advantage is that the tangential force on the annular indicator (2) from the drive unit produces a very small disengagement moment on the annular indicator (2).

The invention discloses a rotary lifting construction method for a large-scale tree-shaped structure comprising following steps: a trunk portion of the large-scale tree-shaped structure is installed on a basic surface; a lifting tower is set on the trunk portion, and a lifting device is installed on the lifting tower; branch portions of the large-scale tree-shaped structure are lifted to a to-be lifted position, the branch portions and the trunk portion are hinged together, and a lifting cable device is pulled and installed between the branch portions and the lifting device; the lifting device is started, the branch portions are lifted upwards by the lifting cable device to make the branch portions rotate about the hinged position and be lifted to the trunk portion; after the branch portions are rotated and lifted in place, the branch portions and the trunk portion are fixed. According to the method, a rotary lifting method is adopted, the branch portions are rotationally lifted by the lifting tower and the lifting device installed at the trunk portion of the large-scale tree-shaped structure; there is no need to additionally set scaffolds or use large size lifting machinery to install the branch portions so that construction procedure and cost are saved.

The invention discloses a fluid spraying device for metal surface treatment. The fluid spraying device is used for spraying a fluid onto a spraying object (4), and comprises a shell (9) which is composed of an upper supporting part (92) and a lower driving-accommodating part (91), wherein the upper supporting part (92) is in sliding fit with a plurality of guide rods (93), so as to achieve the supporting function; the guide rods (93) are fixedly connected with a left fixing base frame (100) and a right fixing base frame (101); an internally threaded gear disc (96) is clamped in an inner cavity (920) of the upper supporting part (92) through a thrust bearing; an internal thread is formed in the inner circumference of the internally threaded gear disc (96) and used for being matched with a travelling stud (95); and the travelling stud (95) is parallel to the guide rods (93) and penetrates through the inner cavity (920).

A fluid spraying device for metal surface treatment is used for spraying fluid to a sprayed object (4) and comprises a shell (9), wherein the shell (9) is composed of an upper supporting part (92) and a lower driving containing part (91). The upper supporting part (92) is in sliding fit with a plurality of guide rods (93) to achieve supporting, wherein the guide rods (93) are fixedly connected with a left fixing base frame (100) and a right fixing base frame (101). An internal thread gear disc (96) is clamped in an inner cavity (920) of the upper supporting part (92) through thrust bearings, and an internal thread is arranged on the inner circumference of the internal thread gear disc (96) to be matched with a walking threaded rod (95), wherein the walking threaded rod (95) is parallel to the guide rods (93) and penetrates through the inner cavity (920).

Efficient fluid spraying equipment is used for spraying fluid towards a to-be-sprayed object (4) and comprises an outer shell (9) composed of an upper supporting part (92) and a lower driving and containing part (91). The upper supporting part (92) is in sliding fit with a plurality of guide rods (93) fixedly connected with a fixing base frame (100) to realize supporting. An inner threaded gear plate (96) is clamped in an inner cavity (920) of the upper supporting part (92) through a thrust bearing. An inner thread is arranged in the inner periphery position of the inner threaded gear plate (96) and used for being matched with a traveling screw (95) which is parallel to the guide rods (93) and penetrates through the inner cavity (920).

A fluid spraying device with operation stability is used for spraying fluid to a sprayed object (4) and comprises a shell (9), wherein the shell (9) is composed of an upper supporting part (92) and a lower driving containing part (91). The upper supporting part (92) is in sliding fit with a plurality of guide rods (93) to achieve supporting, wherein the guide rods (93) are fixedly connected with a fixing base frame (100). An internal thread gear disc (96) is clamped in an inner cavity (920) of the upper supporting part (92) through thrust bearings, and an internal thread is arranged on the inner circumference of the internal thread gear disc (96) to be matched with a walking threaded rod (95), wherein the walking threaded rod (95) is parallel to the guide rods (93) and penetrates through the inner cavity (920).

The invention relates to an automatic detector for capsule airtightness. The automatic detector for capsule airtightness includes a pedestal, the left end of the pedestal is equipped with an expanding platform, the left end of the expanding platform is provided with a threaded column, the upper end of the threaded column is equipped with a rotary sleeve, the upper end of the rotary sleeve is equipped with a biasing platform, wheel grooves are arranged on the biasing platform, the right end of the biasing platform is equipped with a threaded hollow pipe, and the threaded hollow pipe is internally equipped with an adjusting stud. The automatic detector for capsule airtightness contributes to adjustment of the position height of the biasing platform and the working space of the whole expanding device through arrangement of the expanding platform with the threaded column and the biasing platform with the rotary sleeve, contributes to a guiding function achieved by a capsule conveying workbench equipped with guiding wheels through arrangement of the wheel grooves and the threaded hollow pipe with the adjusting stud, and also contributes to preventing the biasing workbench from generating overturning moment which then causes poor stability of the biasing workbench.

The invention provides a vacuum precise displacement device. The displacement device comprises a bottom flange (1), a top flange (2), a corrugated pipe (7) through which the two flanges are connected, a displacement platform (3) used for installation of the top flange (2) and relative to which the top flange (2) can move translationally, and a moving mechanism used to drive the top flange (2) and comprising a first moving device (5) and second moving devices (6). Through the first moving device (5), the top flange (2) can move translationally relative to the displacement platform (3). Through the second moving devices (6), the displacement platform (3) can move longitudinally relative to the bottom flange (1). The displacement device comprises at least two second moving devices (6) which are connected with the bottom flange (1) and the displacement platform (3). The second moving devices (6) are arranged on the bottom flange (1) in a roughly evenly-spaced way, and move the displacement platform (3) as well as support the displacement platform (3). The displacement device has advantages of simple structure, small occupied area, low cost and good mechanical properties.

The invention relates to a rail vehicle anti-overturning method, a driving brake system and a rail vehicle, both sides of a frame are respectively provided with motor transmission mechanisms and basicbraking devices, the motor transmission mechanism comprises traction motors and gear boxes longitudinally coupled, and the motor shafts of the traction motors on both sides of the frame rotate in theopposite direction or reverse direction when a vehicle runs. The basic braking devices control the motor shafts to brake, and the directions of forces which are applied to the frame by the basic brake devices on both sides of the frame when the vehicle bakes during the vehicle running process are controlled to be same. When the vehicle bakes during the vehicle running process, the directions of braking forces generated at the gear boxes on both sides of the frame are same, an overturning moment applied to the frame can be avoided during braking, vehicle overturning can be effectively avoidedduring braking, and the vehicle operation security is improved.

A fluid spraying device is used for spraying fluid to a spraying object (4) and comprises a shell (9) composed of an upper supporting part (92) and a lower driving and containing part (91). The upper supporting part (92) is in sliding fit with a plurality of guide rods (93) fixedly connected with a fixed bed frame (100) to achieve supporting. An internal thread gear disc (96) is arranged in an inner cavity (920) of the upper supporting part (92) through a thrust bearing in a clamped manner. An internal thread is arranged on the inner circumference of the inner thread gear disc (96) and used for being matched with a walking screw rod (95) which is parallel to the guide rods (93) and penetrates the inner cavity (920).

A fluid spraying device for steel plate surface treatment is used for spraying fluid to a spraying object (4) and comprises a shell (9) composed of an upper supporting part (92) and a lower driving and containing part (91). The upper supporting part (92) is in sliding fit with a plurality of guide rods (93) fixedly connected with a fixed bed frame (100) to achieve supporting. An internal thread gear disc (96) is arranged in an inner cavity (920) of the upper supporting part (92) through a thrust bearing in a clamped manner. An internal thread is arranged on the inner circumference of the inner thread gear disc (96) and used for being matched with a walking screw rod (95) which is parallel to the guide rods (93) and penetrates the inner cavity (920).

The present invention relates to a vertically closed closing unit used for a molding machine. The closing unit is equipped with a movable die clamping plate 2 and at least one motor 3 used for enabling the movable die clamping plate 2 to move relative to a machine base 4, at least two individual conversion devices 5 are arranged in the closing unit and are used for converting the output motion of the at least one motor 3 into the clamping plate motion of the movable die clamping plate, and a synchronizing device 6 is also arranged to synchronize the clamping plate motion an / or the output motion, wherein the at least one motor 3 is a hollow shaft motor, and the synchronizing device is electronic. The present invention also relates to the molding machine possessing the closing unit.

A fluid spraying device with an LED indication lamp is used for spraying fluid to a sprayed object (4) and comprises a shell (9), the shell (9) is composed of an upper supporting part (92) and a lower driving containing part (91), and the upper supporting part (92) is matched with a plurality of guide rods (93) fixedly connected with an adjusting base (101) in a sliding mode to achieve supporting. The adjusting base (101) is matched with a sliding groove (102) in a machine frame (100) in a sliding mode, the upper end of the machine frame (100) is provided with an adjusting motor (21) capable of adjusting the height of the adjusting base (101), an internal thread gear disk (96) is clamped in an inner cavity (920) of the upper supporting part (92) through a thrust bearing, the inner circumference of the internal thread gear disk (96) is provided with an internal thread, and the internal thread is used for being matched with a traveling screw (95) which is parallel to the guide rods (93) and penetrates through the inner cavity (920).

The invention relates to the technical field of scroll compressors and particularly relates to a scroll disc structure and a carbon dioxide compressor. The scroll disc structure comprises a movable scroll disc, a static scroll disc and a sealing ring, wherein the sealing ring is eccentrically arranged in a back pressure cavity; the resultant force F1 of the gas force and the inertia force borne by the movable scroll disc and the back pressure F2 borne by the movable scroll disc are equal in torques and opposite in directions, so that the turning torque of the movable scroll disc and the back pressure torque of the movable scroll disc are balanced.

A fluid spraying part for spraying, used for spraying fluid to a sprayed object (4), comprising a housing (9) composed of an upper supporting part (92) and a lower driving accommodation part (91), the upper supporting part ( 92) The support is realized by slidingly fitting a plurality of guide rods (93) fixedly connected with the fixed base frame (100), and the inner cavity (920) of the upper support part (92) is sandwiched with an internal thread through a thrust bearing A gear plate (96), the inner circumference of the internally threaded gear plate (96) is provided with an internal thread for connecting with the walking screw (95) parallel to the guide rod (93) and passing through the inner cavity (920) )Cooperate.

The invention discloses a speed limiter and safety gear linkage system based on an elevator. The speed limiter and safety gear linkage system based on the elevator mainly solves the problems that in the prior art, a speed limiter and safety gear linkage system is complex in structure and high in cost, and especially a speed limiter of an elevator without a machine room is inconvenient to install, maintain, inspect and check. The speed limiter and safety gear linkage system based on the elevator comprises a speed limiter, a speed limiter rope, a guiding adjusting mechanism, a lifting winding drum, a linkage mechanism, a lifting steel rope and safety gears, wherein the speed limiter is arranged on the car roof of a lift car of the elevator, the speed limiter rope is wound around the speed limiter, the upper end of the speed limiter rope is fixedly connected with the top of a shaft of the elevator, the lower end of the speed limiter rope is fixedly connected with the bottom of the shaft of the elevator, the guiding adjusting mechanism is used for detecting whether the speed limiter rope is tensioned or not at any time, the lifting winding drum and the speed limiter are arranged in a coaxial mode, the speed limiter drives the lifting winding drum to rotate through the linkage mechanism, and the lifting steel rope is wound around the lifting winding drum. According to the speed limiter and safety gear linkage system based on the elevator, the speed limiter is arranged on the car roof of the lift car of the elevator, one longitudinal speed limiter rope is adopted, the existing speed limiter and safety gear linkage system of a lift car of the elevator is simplified, and the speed limiter and safety gear linkage system of the elevator are optimized and upgraded comprehensively.