79results about How to "Reliable suspension" patented technology

The invention discloses a rotatable electroplating rack. The rack comprises main rods, a cross beam, a plurality of gears, gear shafts and fixtures; the main rods are perpendicularly fixed at two ends of the cross beam; hooks are arranged at upper ends of the main rods; a plurality of through holes are formed in the cross beam; one of the gears and a rotating shaft are assembled and then are connected with an output end of a motor through a coupler; the rest gears and the gear shafts are assembled and then penetrate through the through holes; the fixtures used for electroplating of different types of workpieces are arranged at the other ends of the gear shafts; and meanwhile, special fixtures are designed for cylinder block type parts and thin and long shaft type parts particularly, so that the electroplating problems caused by the relatively large mass of the cylinder block type parts and the relatively small diameters of the thin and long shaft type parts are solved. The rack is simple in structure, multiple parts can be electroplated simultaneously, the workpieces are clamped firmly and reliably and are convenient to mount and dismount, the phenomenon of falling into a tank is avoided, the torque is input and the outer meshing gears rotate to drive the workpieces to rotate continuously in the electroplating process, the plating is uniform in thickness, the electric current density is increased, the electroplating time is shortened, and the efficiency is improved.

The invention relates to a device which enables two petroleum casing pipes with different diameters to be hanged and connected by expanding the casing pipes underground, and a construction technology.The device comprises a drilling string, an expansion pipe hanging body, a length-adjusting scroll cover set, an expansion transmitting room and a tail pipe connection pair and is characterized in that the drilling string consists of an adjusting-centering pipe nipple, a transition drill pipe, a push-pull central pipe and a bearing screw cap; the expansion pipe hanging body consists of a casing pipe, a hanging pipe, a hanging projection and a hanging rubber ring; the length-adjusting scroll cover set consists of a length-adjusting scroll cover and a clamping nut; the expansion transmitting room consists of a pull cap, a propelling piston, an expansion head, an upper expansion pipe cavity body, a lower expansion pipe cavity body, a steel ball, a transmitting seat, an O-shaped seal rig and acirclip for a hole; and the tail pipe connection pair consists of a lower expansion pipe, a tail pipe connection hoop and tail pipes. The invention has the advantages that hanging modes of hydraulicpush, lubrication expansion head and hard and soft combination are adopted, thereby having reliable tightness and strong hanging capability; and circulation of drilling fluid, injection of cement paste and hanging connection can be completed in one construction, and thereby convenient operation is achieved.

The invention discloses a self-adjustment type five-freedom-degree magnetic bearing. The self-adjustment type five-freedom-degree magnetic bearing comprises outer stator cores, inner stator cores and a cylindrical rotor. The cylindrical rotor is sequentially sleeved with the cylindrical inner stator cores and the cylindrical outer stator cores from the inner circle to the outer circle. A tooth socket structure is adopted for the inner stator cores. Four pairs of inner stator teeth are evenly distributed in each inner start core along the circumference. Two pairs of inner stator teeth are oppositely arranged on each inner stator core in the horizontal direction. Two pairs of inner stator teeth are also oppositely arranged on each inner stator core in the vertical direction. The eight inner stator teeth are formed, and a radial suspension winding is wound around each of the eight inner stator teeth. The self-adjustment type five-freedom-degree magnetic bearing solves the problems that when an existing magnetic bearing bears heavy rotors and loads are too large, the torsion of the rotor is too large, and the rotor suspension is influenced; meanwhile, the structure of the five-freedom-degree magnetic bearing is simplified; meanwhile, a control element of the five-freedom-degree magnetic bearing is omitted; and the self-adjustment type five-freedom-degree magnetic bearing has the beneficial effects that the suspension performance is reliable and the self-adjustment type five-freedom-degree magnetic bearing is easy to control.

The invention relates to the technical field of underground coring devices, in particular to a locking jaw suspension type pressurized coring device. The locking jaw suspension type pressurized coring device comprises an upper joint, a bearing base, an outer cylinder, a drill bit, a casing, a flow separating joint, a locking jaw casing, a locking jaw, a guide casing, a limiting sleeve, a bearing joint, an inner cylinder and a rock core jaw. The locking jaw suspension type pressurizing centering device has the advantages that the structure is reasonable and compact; after the coring is finished, the pressurizing is performed, the locking jaw is unlocked, the pressurizing sleeve, the guide sleeve, the limiting sleeve and a press sleeve continuously move down and push the bearing joint and the inner cylinder, the rock core jaw mounted at the lower end of the inner cylinder is forced to retract and deform, and the purpose of pressurized coring is realized; finally, a pressure relief ball is thrown in, a pin on the pressure relief sleeve is sheared off, a pressure relief hole in the casing is exposed, and drilling liquid can smoothly circulate; the suspension is more reliable, the unlocking is convenient, and the pressure relief is smooth; by throwing the corresponding ball, the coring drilling, core cutting and pressure relief are realized, so that the whole coring process is completed, and the construction is convenient and rapid.

The invention discloses an aluminum section hanging device, and relates to the technical field of aluminum section production auxiliary devices. The aluminum section hanging device is characterized by comprising a hanging frame, hooks arranged below the hanging frame, aluminum sections arranged below the hooks and connection hooks connected between the aluminum sections, wherein the hanging frame comprises a transverse frame and hanging lugs arranged on the upper side of the transverse frame; hanging holes are uniformly formed in the lower part of the transverse frame; the hanging hooks are arranged in the hanging holes at intervals; and hanging rings are arranged below the hanging hooks. The aluminum section hanging device is simple in structure, convenient and practical; the aluminum sections can be hung stably and reliably, and hung and taken down easily; labor and time are saved; and the efficiency is high.

The invention discloses a rail sliding type arc extinguisher. The rail sliding type arc extinguisher comprises a magazine (1) and an arc extinguishing cylinder (6), wherein a triggering coil (3) and an arc guide fitting (9) are arranged inside the magazine (1); an arc guide electrode (8) connected with the arc guide fitting (9) and a gas pill triggering position are arranged at the bottom of the magazine (1); a side surface electrode (5) is arranged on the sidewall of the gas pill triggering position, wherein a spiral suspended rail (2) from top to bottom for bearing an arc extinguishing gas pill (4) is arranged on the inner wall of the magazine (1), and a groove matched with the spiral suspended rail (2) is formed in the surface of the arc extinguishing gas pill (4) which is mounted inside the magazine (1). The rail sliding type arc extinguisher is simple in structure, safe and reliable; the arc extinguishing gas pill inside the magazine is capable of sliding down smoothly only under the action of the gravity, and therefore, the step of pill changing after once triggered arc extinguishment is realized.

The invention discloses an automobile engine suspension mounting structure. A left suspension and a right suspension are mounted on the left side and the right side of a cylinder body respectively, a rear suspension is mounted on a tail housing of a transmission, each of the left suspension and the right suspension comprises an elastomer, an upper limiter, a lower limiter and a suspension support, the rear suspension comprises a rear suspension support and a rear suspension cushion assembly, the side plates of the lower limiters extend upwards, the upper portions of the extending parts of the lower limiters are folded inwards to form limit portions, the rear suspension support is a 'U'-shaped frame, the left end and the right end of an upper suspension plate extend downwards and extend horizontally towards the inner side after overpassing the ends of a lower suspension plate, and the middle of the front end of the lower suspension plate first extends forwards and then extends vertically upwards to form a forward-rush preventing limit plate. A forward-rush preventing rubber cushion block is sleeved with the forward-rush preventing limit plate, the middle of the rear end of the lower suspension plate extends backwards and then extends vertically upwards to form a backward-rush preventing limit plate, and a backward-rush preventing rubber cushion block is sleeved with the backward-rush preventing limit plate. The automobile engine suspension mounting structure is not easy to fail.

The invention relates to an eyeglasses hanging frame in daily life and in particular to a flexible double-layer eyeglasses frame. The invention adopts the following technical proposal that: a flexible double-layer eyeglasses frame comprises eyeglasses, a cross beam and a connecting piece which are connected with the eyeglasses and a restoring spring arranged between the cross beam and the connecting piece. The inside of the cross beam is provided with a containing cavity. The two eyeglasses are respectively provided with hooks. The containing cavity is internally provided with a flexible bar and a positioning block. The flexible bar is mounted and connected with the positioning block and is matched with the positioning block as being prevented from torsion. One end of the flexible bar which passes through a through-hole in the cross beam is a movable end which extends out of the containing cavity to be fixedly connected with the connecting block. The other end of the flexible bar opposite to the movable end is provided with a spring base. The restoring spring is mounted at the flexible bar and is arranged between the positioning block and the spring base to flex and restore. The invention adopts the technical characteristics to provide a flexible double-layer eyeglasses frame with the not-shaking eyeglasses hanging frame, the simple structure, the convenient use and the nice appearance.

The invention relates to a hot-line installation type conductor auxiliary equipment suspension device, which consists of an elbow (1), a connecting plate (2), a bottom plate (3), an arc-shaped press plate (4), a screw rod (5) and a hanging ring (6), wherein the elbow (1) is connected with the connecting plate (2) and the bottom plate (3), a screw hole is formed in the bottom plate (3), the screw rod (5) is arranged in the screw hole, the upper end of the screw rod (5) is connected with the arc-shaped press plate (4), and the lower end of the screw rod (5) is welded with the hanging ring (6). When the device is used, a plunger pin on the operation rod is inserted into the hanging ring (6), the elbow (1) is hung on a conductor, the screw rod (5) is screwed, the conductor is clamped between the elbow (1) and the bottom plate (3), two devices are arranged, and auxiliary equipment are hung on the devices. The hot-line installation type conductor auxiliary equipment suspension device has the beneficial effects that the suspension requirement of various types of conductor auxiliary equipment is met, the hot-line installation is realized, the suspension is firm, the easiness in sliding away from the original position is avoided, and the falling is avoided.

The invention discloses a current transformer polarity test rod comprising a wire hook, a middle connecting insulating rod and a test tail rod, wherein the top end of the middle connecting insulating rod is connected with the wire hook, and the bottom end of the middle connecting insulating rod is connected with the test tail rod by virtue of a fixed structure; sawteeth are arranged on the inwards bent curved surface of the wire hook, and an elastic fastener is arranged at the inlet of the wire hook and at the top end of the middle connecting insulating rod; a wire suspending locking seat is arranged on the wire hook, and a direct-current power supply circuit is arranged in the test tail rod. The middle connecting insulating rod is formed by jointing more than two hollow insulating rods by virtue of a fixed structure. According to the invention, the test rod is reliably connected with the outgoing lines of the two poles of the current transformer, and the use length of the test rod can be adjusted, and therefore, the working difficulty is reduced, the working efficiency is improved, and simultaneously, the working safety coefficient is increased.

The invention provides a device for balanced suspension of dip angle burners with double constant-force spring hangers. The device is characterized in that the device comprises a balanced hanging beam, the two constant-force spring hangers and a main burner; the main burner comprises at least two sets of dip angle burners which are sequentially arranged from top to bottom; a hanging bracket is arranged on the top of each set of dip angle burner, or a carriage is arranged at the bottom of each set of dip angle burner; the two constant-force spring hangers are arranged on a bearing beam; each of the two constant-force spring hangers is connected with the balanced hanging beam through a first connecting rod device, each of the two sides of the balanced hanging beam is connected with the hanging bracket or the carriage of the tip angle burner on the topmost side through a second connecting rod device, and the two sides of the hanging brackets or the carriages of the two adjacent sets of tip angle burners are connected through third connecting rod devices. By the adoption of the device, the entire set of dip angle burners can be reliably suspended, and the device can effectively solve the problem of differential expansion between various sets of dip angle burners.

The hanging unit for narrow tube well injecting device includes one main body, one clamping block, one sealing member, one upper flange, one pressing sleeve, one guide piece, one narrow tube and other parts. Of the hanging unit, the single ram preventer can seal the well gas pressure, the non-return valve connected to the narrow tube can prevent the reverse flow of the matters inside the well, the clamping block and the terminal screw can suspend the narrow tube in the well head reliably, the sealing member can seal the ring space between the narrow tube and the cavity of the hanging unit, and the guide piece can fix the narrow tube and the auxiliary ground hanging unit to the ground anchor. The present invention has simple and accurate operation, and reliable performance.

The invention relates to a hanging operation platform for construction of a building inclined structure column and a construction method. The hanging operation platform for construction of the building inclined structure column comprises a main basket, two auxiliary baskets movably assembled together with the main basket, a hanging mechanism and a lifting mechanism. A pass-through port for the inclined structure column to penetrate through is formed in the main basket. A U-shaped port is formed in each auxiliary basket. The two auxiliary baskets are oppositely disposed on the main basket so that the U-shaped ports of the two auxiliary baskets can form a surrounding port for surrounding the inclined structure column. The surrounding port communicates with the pass-through port. The hangingmechanism is fixed to a roof steel truss and is connected with the main basket through a steel wire rope. The lifting mechanism is disposed on the main basket and is connected with the steel wire rope. The construction method of the building inclined structure column includes the steps of forming the pass-through port for the inclined structure column to penetrate through in the hanging operationplatform, and adjusting the position of the pass-through port during construction so that the inclined structure column can pass through the pass-through port in the rising or falling process of the hanging operation platform. By means of the scheme, construction of exterior facings of structure columns of different heights and different inclination degrees can be realized.

A continuous steam generator with a combustion chamber having a number of burners for fossil fuel and an outside wall composed of steam generator pipes that are welded to each other gas-tight is provided. A vertical gas flue is connected downstream of the combustion chamber on the hot gas side in an upper area via a horizontal gas flue, wherein a part of the outside wall facing the vertical gas flue and below the horizontal gas flue is inclined inward and thus forms a nose projecting into the combustion chamber with the bottom of the adjacent horizontal gas flue. Support pipes are connected downstream of at least one part of the steam generator pipes of the nose at the upper end thereof on the flow medium side, wherein the support pipes are guided substantially vertically to the lower end of the nose.

The invention relates to a suspended structure for an integrated ceiling. The suspended structure comprises a beam and a fixing rod arranged on the beam. The fixing rod is fixedly connected to the beam through a connecting part. A first penetrating hole for the fixing rod to penetrate conveniently is formed in the top end of the connecting part. A second penetrating hole for the beam to penetrate conveniently is formed in the bottom end of the connecting part. The suspended structure has the advantages that penetrating of the fixing rod is achieved by means of the first penetrating hole formed in the connecting part, penetrating of the beam is achieved by means of the second penetrating hole formed in the connecting part, the defect that due to existing screw connection, the fixing rod shakes is effectively overcome, the reliability of the fixing rod and the beam is improved in the installing process, in comparison with an existing fixing piece, the connecting part is firm for ensuing fixing and suspending, the situation that due to the fact that loads are too large, unhooking occur can be effectively prevented, the suspended structure enables the integration ceiling to be suspended more closely, and gaps between a main keel and an auxiliary keel are prevented from generating resonance.

The invention relates to an adjustable curved surface fire welding device, and belongs to the field of welding fire work tools. The adjustable curved surface fire welding device comprises a fire welding storage bin, fire welding plates, a fixing assembly and a hoisting assembly, wherein the fire welding storage bin comprises a bottom wall, and a front side wall, a rear side wall, a left side walland a right side wall which are arranged on the periphery of the bottom wall in a surrounding mode, a left baffle is hinged to the left side wall, a right baffle is hinged to the right side wall, thesum of the length of the left baffle and the length of the right baffle is less than the length of the fire welding storage bin, a fire welding opening for allowing welding slag to fall into the firewelding storage bin is formed between the left baffle and the right baffle, sliding grooves extending in the left-right direction are correspondingly formed in the front side wall and the rear side wall, left sliding blocks and right sliding blocks are slidably assembled inside the sliding grooves, and the left sliding blocks and the right sliding blocks are connected with the corresponding baffles through connecting rods; and the two fire welding plates are arranged and are both curved plates and connected with the corresponding sliding blocks. The adjustable curved surface fire welding device not only meets the requirement for adjustment of the fire welding range in the horizontal direction, but also meets the requirement for adjustment of the fire welding height and the fire welding space in the vertical direction, and is good in fire welding effect.

The invention discloses a plane air floatation workbench based on optical feedback. The plane air floatation workbench comprises a lower panel, an upper panel, an electromagnetic drive unit used for driving the upper panel, an air floatation unit used for suspending the upper panel, an infrared sensor set used for positioning and a control unit used for guiding and the upper panel to move and positioning the position where the upper panel moves. A control method comprises the following steps that an air film is generated at the bottom of the upper panel through an air flotation bearing firstly to enable the upper panel to suspend in air and to be able to freely move; then a transverse coil and a longitudinal coil are driven to work in a time division mode according to a preset movement track to enable the upper panel to quickly transversely wriggle or longitudinally wriggle; and finally infrared transceivers located in five orientations reflect infrared rays of different wave lengths to the upper panel, and the real-time position of the upper panel is determined by receiving reflected infrared image data, so that the driving time of a transverse driver and a longitudinal driver is determined, the corresponding speed of a platform is increased, and the corresponding positioning precision of the platform is improved. The plane air floatation workbench based on optical feedback is simple in structure, small in size, high in bearing capacity and positioning precision and stable and reliable in running.