64results about How to "Avoid the risk of slipping" patented technology

The invention provides an automatic reclosing lock device of a breaker. The automatic reclosing lock device comprises a drive motor, a linkage tripping mechanism, a transmission gear mechanism and a breaker handle mechanism, wherein the transmission gear mechanism comprises a first transmission gear, a second transmission gear and a third transmission gear which are adjacently meshed with one other, a cam portion of the second transmission gear can drive a push rod to shift a tripping rod, so as to quickly separate the breaker, the second transmission gear can drive an incomplete gear to rotate continuously, and the incomplete gear and the third transmission gear are in mesh transmission to drive a handle to switch on automatically through a linkage rotation shaft. The automatic reclosing lock device has the advantages of being reliable in transmission, strong in stability and capable of enabling the second transmission gear not to be prone to shaking or rising; thus, the automatic reclosing lock device can avoid the problem of tripping clamping stagnation or tripping slide when being matched with a linkage tripping part, the use performance of a product is favorably improved, and the service life of the product is favorably prolonged.

The invention discloses a cylinder sleeve for oil exploitation. The cylinder sleeve comprises an outer sleeve and an inner sleeve. The inner sleeve is nested in the outer sleeve. The two ends of the inner sleeve are provided with a first annular sleeve and a second annular sleeve correspondingly. The first annular sleeve, the second annular sleeve and the inner sleeve are of an integrally formed integrated structure. The two ends of the outer sleeve are provided with a first annular groove and a second annular groove correspondingly. The first annular sleeve is located in the first annular groove. The second annular sleeve is located in the second annular groove. The invention further discloses a preparation method of the cylinder sleeve for oil exploitation. A traditional cylinder sleeve is improved in three respects of structure, material and preparation process, the effect that sleeve falling of the outer sleeve does not occur can be ensured through the improvement in structure, abrasion resistance, corrosion resistance and fatigue resistance of the cylinder sleeve are promoted greatly through the improvements in material and preparation process, and the produced cylinder sleeve is uniform in texture and high in strength.

The invention discloses a traction power system for an elevator. The traction power system comprises a traction machine, a traction steel wire rope and a counterweight block arranged below the traction machine. The traction power system is characterized in that one end of the traction steel wire rope is fixed with a housing of the traction machine, wherein the other end of the traction steel wire rope is fixed with the inner wall of an elevator hoistway; a pre-tightening mechanism is arranged on the outer side wall of the car; a ring-shaped groove is formed in the outer circumferential wall of a guide wheel; at least three clamping slots which are formed in an internally tangent manner in the radial direction of the guide wheel are formed in the groove bottom of the ring-shaped groove; all clamping slots are uniformly distributed in the circumferential direction of the guide wheel; clamping blocks are arranged in the clamping slots; and the clamping blocks are detachably connected with the clamping slots. According to the traction power system for the elevator provided by the invention, in an elevator maintenance process, a car and the counterweight block can guarantee that the traction steel wire rope does not slip from the guide wheel while not applying acting force to the traction steel wire rope, so that the risk that the traction steel wire rope slips from the guide wheel is avoided.

The invention discloses an elevator counter weight opposite-arrangement traction mechanism, and aims at overcoming the defects that an elevator traction mechanism is not good in braking reliability and not high in safety, and the risk of skidding exists between a traction wheel and traction ropes exists. The elevator counter weight opposite-arrangement traction mechanism comprises an elevator control system, a traction machine, a worm and gear device and a synchronous device, wherein the traction machine is arranged on an installing platform on the top of an elevator shaft and used for controlling elevator ascending and descending, the traction machine is connected with a traction wheel, two traction ropes are wound around the traction wheel, the traction ropes are wound around the traction wheel, and the wrapping angle exceeding 180 degrees is formed. One ends of the traction ropes are connected with an elevator car, the other ends of the traction ropes are connected with vertically-arranged long-strip-shaped elevator car counter weights, the two elevator car counter weights are arranged in an opposite-angle manner, and the connecting positions of the two traction ropes and the elevator car are arranged in an opposite-angle manner. The traction wheel is coaxially connected with a worm gear, and the worm gear and a worm are meshed to form a traction wheel locking device. The synchronous device comprises a protection motor connected with the worm and a synchronous controller capable of controlling the rotation speed of the traction machine and the protection motor.

The invention discloses a mechanical support device for assisting in replacing a spare tire, to solve that problem that a jack needs to be kept in a support state all the time and cannot be evacuatedduring use of the support vehicle. The mechanical support device includes a chassis assembly, a step mounting plate and a U-shaped mounting frame are arranged on the chassis assembly, the internal cavity of the U-shaped mounting frame is provided with a U-shaped crankshaft, the U-shaped crankshaft and the U-shaped mounting frame are rotationally connected through a bearing, a connecting shaft is arranged in the middle of the U-shaped crankshaft, the outer wall of the connecting shaft is rotatably sleeved with a tilting sleeve, the upper part of the tilting sleeve is sequentially provided witha tilting support column, a lifting adjusting cylinder, a lifting slide block, a lifting support rod, a spring limit plate, an extension spring and a support cross rod, the bottom of the support crossrod is hinged to the top of the lifting support rod, a distance adjusting slide block and a support top block are arranged on the support cross rod, and a limiting mechanism is arranged in the lifting adjusting cylinder. The device has the advantages of simple structure, convenient disassembly, assembly and carrying and strong practicability, can be used on different roads, especially on slopingroads, and has anti-skid measures.

A medical stitching instrument comprises left stitching forceps and right stitching forceps which have the same structure, wherein the right stitching forceps comprise a left forceps handle and a right forceps handle, upper ends of the left forceps handle and the right forceps handle are arranged in a cross hinge manner, a grab handle is arranged at the lower end of the right forceps handle, a thumb retaining ring is arranged at the lower end of the left forceps handle, the upper end of the right forceps handle is connected with a center plate adopting a fork-like structure, the left side of the upper end of the left forceps handle is connected with a stitching needle, a channel is formed in the stitching needle, a bayonet is formed in the outer camber surface of the front end of the stitching needle and communicates with the channel, a fixing clamp strip penetrates through the channel, a cavity is formed in the left forceps handle, and a fixing clamp strip stirring device is arrangedin the cavity. To sum up, the medical stitching instrument can effectively perform puncture stitching on wounds of patients, the risk of slipping of the stitching needle is avoided, so that the suturechange operation in the stitching process is more convenient.

In a first aspect, the invention relates to a ring, preferably in the form of a lock nut, made for combi rolls, which ring includes at least one spring device (12) in which a mechanical compression spring (18) is included that acts between, on one hand, a front press body (19) that is movable to and fro in order to constantly forward a spring force generated by the compression spring and, on the other hand, a support body (20), which may assume a fixed position, but which is adjustably movable by way of a screw (26) in order to alter the tension in the compression spring. In another aspect, the invention relates to a combi roll in which the ring according to the invention is included.

The invention provides a method and device for improving tension control stability of an annealing furnace. By increasing the original unit tension, the unit tension of the interior of the annealing furnace during production is obtained; the standard surface roughness threshold value of a tension roller is obtained; the surface roughness of the tension roller is controlled to be within the standard surface roughness threshold value; a tension roller load balancing factor is adjusted; and by increasing the unit tension of the interior of the annealing furnace, the tension roller load balancingfactor is adjusted, the surface roughness of the tension roller is controlled to be within the standard surface roughness threshold value, and the tension stability of the annealing furnace is controlled. The technical problem that in the prior art, a tension roller cannot provide the sufficient balance force, and thus, stable operation of strip steel cannot be ensured is solved. The technical effects that control over the tension of the annealing furnace is achieved, the tension balancing capacity of the tension roller is improved, it is ensured that the tension roller can provide enough balance force, the risk of slipping of the tension roller is avoided, the control stability of tension of the interior of the annealing furnace is greatly improved compared with the original design, and the production requirements are completely met are achieved.

The invention relates to the technical field of power maintenance auxiliary devices, and discloses a telegraph pole climbing auxiliary device which comprises an upper body connecting support, an upperbody supporting block is fixedly connected between two straight plates of the upper body connecting support, and two clamping plates are fixedly connected to the left side surface and the right sidesurface of the upper body connecting support respectively. A clamping block is arranged at the end, away from the upper body connecting support, of the clamping plate, an adjusting mechanism is arranged on the clamping block, a pressing plate is arranged on the upper body supporting block, and a secondary extrusion mechanism is arranged on the lower surface of the pressing plate. According to thetelegraph pole climbing auxiliary device with the high safety coefficient, the safety of a worker during operation on a telegraph pole is improved, the risk of falling is avoided, meanwhile, the worker can conveniently operate on the telegraph pole in a sitting mode, the efficiency of the worker on the telegraph pole is improved, and the device is simple in structure, high in safety coefficient ishigh, and low in production cost.

The invention discloses a traction system for an elevator. The traction system comprises a traction machine mounted in an elevator shaft, a traction steel wire rope and a counterweight filler weight arranged below the traction machine; the traction system is characterized in that one end of the traction steel wire rope is fixed to the inner wall of the elevator shaft, and the other end of the traction steel wire rope is fixed to the counterweight filler weight, a surface treatment mechanism is arranged between the counterweight filler weight and a driving wheel, and a surface treatment mechanism is arranged between a guide wheel of a lift car and the driving wheel; each surface treatment mechanism comprises a spraying mechanism used for spraying a wax layer on the surface of the traction steel wire rope and a wax removal mechanism used for removing the wax layer on the surface of the traction steel wire rope; the wax removal mechanisms and the spraying mechanisms are sequentially arranged in the length direction of the traction steel wire rope, and each wax removal mechanism is arranged between the corresponding spraying mechanism and the driving wheel; and according to the traction system for the elevator, on the basis of not affecting friction force between the traction steel wire rope and the driving wheel, the surface layer protection performance of the traction steel wire rope is improved.

The invention relates to a novel toilet roll paper box. The novel toilet roll paper box comprises an inner box body and an outer box body, wherein a rolling shaft seam is formed in the top of the inner box body; the rolling shaft seam extends from the top of the inner box body to the middle of the inner box body; a rolling shaft hole is formed in the middle of the inner box body; the rolling shaftseam communicates with the rolling shaft hole; a rolling shaft is arranged in the rolling shaft hole of the inner box body; the rolling shaft can be inserted into the rolling shaft hole through the rolling shaft seam; the rolling shaft can be lifted upwards; the rolling shaft is taken out through the rolling shaft seam; and the outer box body covers the inner box body. During use, roll paper sleeves the rolling shaft, then the rolling shaft is inserted into the rolling shaft hole from the rolling shaft seam, and then the outer box body is closed. When the paper is extracted, due to the fact that the direction of paper extraction is perpendicular to the direction of the rolling shaft seam and the rolling shaft is not an elastic rolling shaft in the past, the risk that the rolling shaft slides down from the inside of the toilet roll paper box during paper extraction is effectively avoided.

The invention discloses a mixer transmission system, which is characterized in that it comprises a transmission shaft (1), a reduction pulley (2), a planetary reducer (3), a motor (6), a motor pulley (7), a belt (8), The heat dissipation opening (9) and the overheating protection device (10); the transmission shaft (1) is symmetrically provided with a deceleration pulley (2), and the deceleration pulley (2) is an I-shaped structure; one side of the deceleration pulley (2) is symmetrically equipped with A planetary reducer (3), a motor (6) is arranged under the planetary reducer (3), a motor pulley (7) is fixedly mounted on the motor (6), the motor pulley (7) is an I-shaped structure, and the motor pulley (7) A belt (8) is installed between the deceleration pulley (2), and the belt (8) has a V-shaped structure; the motor (6) is provided with a cooling hole (9) and an overheating protection device (10). The invention has excellent heat dissipation effect, and has many advantages such as that the belt will not slip off after the transmission system operates for a long time.

The invention relates to the field of lithium battery production, in particular to a lithium ion battery and a notch type core rod and support pillars of the lithium ion battery. The lithium ion battery comprises the notch type core rod and the two support pillars, and the two support pillars are symmetrically mounted at the two ends of the notch type core rod. The notch type core rod is cylindrical, an inner hole is formed in the notch type core rod, and four first grooves are formed in the wall of the inner hole. Each support pillar comprises a support pillar body, a welding platform is arranged at the upper end of each support pillar body, and four second grooves are formed in the welding platforms. Four third grooves are further formed in the support pillar bodies, and the third grooves are communicated with the second grooves. According to the lithium ion battery, the notch type core rod and the support pillars, the support pillars are additionally arranged at the two ends of the core rod, the effect for completely fixing the core rod is achieved, the risk that the core rod slides inside a battery cell is avoided, and the safety performance and electrochemical capacity of the battery are improved substantially; due to the notch type core rod, liquid injection time is shortened, and liquid injection efficiency is improved.

The invention discloses a dragging system for an elevator. The dragging system comprises a dragging system, a dragging steel wire rope and a counterweight filler weight. The dragging system is characterized in that surface processing mechanisms for processing the surface layer of the dragging steel wire rope are respectively arranged between the counterweight filler weight and a driving wheel, as well as between guiding wheels of a lift car and the driving wheel; each of the surface processing mechanisms comprises a spraying mechanism and a wax removing mechanism; an annular groove allowing the dragging steel wire rope to be surrounded on the corresponding guiding wheel is formed in an outer periphery wall of the corresponding guiding wheel; at least three clamping grooves formed by internal tangency in the radial direction of the corresponding guiding wheel are formed in the position at the bottom of each annular groove; and a clamping block is arranged in the corresponding clamping groove, and the dragging steel wire rope is abutted to or separated from the upper end surfaces of the clamping blocks along with the rotation of the guiding wheels. According to the dragging system for the elevator provided by the invention, based on the condition that frictional force between the dragging steel wire rope and the driving wheel is not influenced, the protective performance of the surface layer of the dragging steel wire rope is improved.

The invention discloses an automatic body paper feeding and discharging device and a dividing and cutting machine with the automatic body paper feeding and discharging device. The automatic body paperfeeding and discharging device comprises a working support, a paper feeding frame, a paper jacking frame, a paper feeding telescopic component and a paper jacking telescopic component. The paper feeding frame and the paper jacking frame are arranged on the two opposite sides of the working support respectively and rotationally connected with the working support, the paper feeding frame can undertake body paper and is rotated in cooperation with the paper jacking frame to convey body paper to a preset position, a cylinder body of the paper feeding telescopic component is rotationally connectedto the working support, the stretching-out end of the paper feeding telescopic component is rotationally connected to the paper feeding frame and can drive the paper feeding frame to rotate in a reciprocating mode on the side where the paper jacking frame is located, a cylinder body of the paper jacking telescopic component is rotationally connected to the working support, and the stretching-outend of the paper jacking telescopic component is rotationally connected to the paper jacking frame and can drive the paper jacking frame to rotate in a reciprocating mode on the side where the paper feeding frame is located. The automatic paper feeding and discharging function of the body paper dividing and cutting machine can be achieved, the working efficiency is high, the structure is simple, safety coefficients are high, and damage caused by paper feeding and discharging equipment in the prior art on a roller of a paper pulling frame in the prior art is avoided.

The invention provides a tower type cell carrying table which comprises a vertical shaft, a plurality of rotary flat plates, a top plate, a plurality of carrying plates and a plurality of force transfer rods. The plurality of rotary flat plates are mounted on the vertical shaft in layers and can rotate around the vertical shaft respectively; the top plate is arranged above the plurality of rotary flat plates and fixedly connected with the vertical shaft; the plurality of carrying plates are respectively nested in all the rotary flat plates; and the plurality of force transfer rods which correspond to the plurality of carrying plates respectively are fixedly mounted on the vertical shaft, and the corresponding carrying plates can be pushed out when the corresponding rotary flat plates rotate. By adopting a cell carrying fixture according to the invention, the space of a place is greatly saved, the cell taking time of operation staff is also reduced, the risk of enabling cells to slip off a traditional flat plate type carrying plate is avoided, and the production efficiency is greatly improved.

The invention relates to a hoisting tool for a large-diameter gate valve plate used in a nuclear power plant. A T-shaped groove is provided on the upper end of the valve plate. The hoisting tool includes a hoisting ring, a frame-shaped block and a T-shaped block. In the groove, the frame-shaped block is fastened on the upper end of the valve plate, and the T-shaped block is clamped inside, and the lower end of the lifting ring is connected with bolts, and the bolts pass through the frame-shaped block from top to bottom, and are threaded on the T-shaped block; The structure and size of the T-block and the T-slot are the same. When the T-block is clamped in the T-slot, the upper surface of the T-block is flush with the top surface of the valve plate, and the thickness of the T-block is the same as the thickness of the top of the valve plate. Similarly, the center of the upper end of the T-shaped block is provided with a threaded hole for bolt thread connection, and the center of the top plate is provided with a through hole for the bolt to pass through. Compared with the prior art, the present invention has the advantages of simple structure, safety and reliability, convenient maintenance and wide application range.

The invention provides a mounting seat with mounting and positioning functions, a tread sweeper and a rail vehicle, and belongs to the technical field of rail vehicle equipment. The mounting seat with the mounting and positioning functions is used for fixedly mounting the tread sweeper; wherein a first positioning matching part is arranged on the mounting bottom surface of the mounting seat, and the first positioning matching part is used for positioning the mounting seat relative to the tread sweeper bearing part in the process of mounting the tread sweeper on the tread sweeper bearing part. The tread sweeper is easier to install, time-saving and labor-saving.

The invention provides a lifting appliance for assembling a liquid rocket. The lifting appliance comprises a lifting supporting unit, a beam body connecting unit, an adjusting unit and two cross beamsling units. The lifting supporting unit is used for being connected with a lifting machine, the two ends of the beam body connecting unit are connected with the lifting supporting unit and the crossbeam sling units respectively, the adjusting unit is connected to the beam body connecting unit in series, and the cross beam sling units are used for being connected with a lifting point of a rocketto be lifted. In the rocket lifting process, the adjusting unit adjusts the positions of the cross beam sling units according to tension borne by the beam body connecting unit, so that the two cross beam sling units are evenly stressed. The lifting supporting unit comprises a first longitudinal beam, a first fork frame and a first lifting belt connected with the first fork frame are arranged on the first longitudinal beam, the first longitudinal beam is provided with a first fixing hole and a first adjusting hole, and the first lifting belt is used for being connected with the lifting machinein a hanging mode in the rocket lifting process. Before rocket connection and when the rocket is hoisted, the stress of the lifting point is accurately determined, and the risk that the rocket slidestowards the unbalance loading end is avoided.

The invention discloses a method for controlling the neutral position of the idle speed of an automatic transmission, which comprises: a transmission controller receives the parameters of the current working condition, and judges whether the current working condition satisfies the enabling condition of the neutral position control of the idle speed; if the current working condition If the parameters meet the enabling conditions of the idle neutral control, the idle neutral control is triggered; the pressure of the neutral control clutch is released to the first threshold; when the vehicle speed drops to the set target value, the brake is precharged When the vehicle speed drops to zero, continue to release the pressure of the neutral control clutch and disconnect the power transmission system; when the pressure of the neutral control clutch is completely released, increase the pressure of the brake to the first The second threshold is used to brake the output shaft of the gearbox. The invention further reduces the fuel consumption of the vehicle through the design of the control strategy, enhances the power and comfort of the vehicle at the starting stage, and avoids the risk of the vehicle rolling back during the application of the idling neutral position control function.

The invention provides a locking device for a switch cabinet transfer trolley. The locking device comprises a supporting platform serving as a mounting foundation, two positioning pins fixedly arranged on two sides of the rear end of the supporting platform, two limiting fixed columns fixedly arranged on the front side of the upper end surface of the supporting platform, and a butt-joint locking operation rod which is fixedly arranged on the supporting platform and is used for locking the switch cabinet transfer trolley and the switch cabinet in a butt-joint manner through rotation during use.The locking device is structurally characterized by further comprising a tight attachment identification assembly and a self-locking assembly, wherein the tight attachment identification assembly isfixedly arranged on the supporting platform and used for judging whether the switch cabinet transfer trolley is tightly attached to the switch cabinet or not during use, and the self-locking assemblyis used for locking the butt-joint locking operation rod when the switch cabinet transfer trolley is not tightly attached to the switch cabinet during use. Through the structural design, the switch cabinet transfer trolley can be effectively ensured to be tightly locked and butted with the switch cabinet in use, and a high-voltage handcart circuit breaker can be effectively prevented from slidingoff from the rear part of a supporting platform of the transfer trolley in the transfer process.

The invention relates to a horizontal transportation device used in an underground comprehensive utility gallery, which belongs to the technical field of construction in a utility gallery. It includes suspension mechanism, transportation mechanism and traction mechanism. The suspension mechanism includes hangers and pulleys; the hangers are connected with the reserved rings of the pipe gallery through hooks, and the pulleys are installed on the hangers; the transportation mechanism includes transport racks, transport ropes and hooks. The transport frame and the transport rope are fixed, and the transport rope can move with the cooperation of the pulley and the traction mechanism. The material to be transported can be transported by connecting it with the hook. The ground transportation is changed to air transportation, and the traction mechanism is used to reduce labor costs. cost and improved efficiency; the transportation mechanism also includes auxiliary frames and rollers. The auxiliary frames are installed on both sides of the transport frame. The rollers are installed on the auxiliary frames and can walk along the top of the pipe gallery. When there is a tendency to tilt, the auxiliary frames and rollers on both sides bear against the top of the pipe gallery, preventing this tendency and reducing friction.

The invention discloses a dragging power system for a lift. The dragging power system comprises dragging machines mounted in a liftway, a dragging steel wire rope, and counter weights arranged below the dragging machines, and is characterized in that one end of the dragging steel wire rope is fixed to a casing of one dragging machine, the other end of the dragging steel wire rope is fixed to the inner wall of the liftway, and the middle part of the dragging steel wire rope sequentially winds counter-weight wheels on the counter weights, driving wheels on the dragging machines and guide wheels at the bottom of a lift car; a pretightening mechanism is arranged on the outer side wall of the lift car, and used for tightening the dragging steel wire rope when the counter weights and the lift car do not apply an acting force on the dragging steel wire rope. According to the provided dragging power system for the lift, in the lift maintenance process, when the lift car and the counter weights do not apply an acting force on the dragging steel wire rope, the condition that the dragging steel wire rope is not loosed from the guide wheels can be ensured, and the risk that the dragging steel wire rope is loosed from the guide wheels can be avoided.