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 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.

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 field of packaging, and particularly, the invention relates to a packaging box for hoisting. The packaging box comprises a bottom plate, a side plate and a rocking cover vertically extending upwards along the side plate; the packaging box further comprises a box cover separated from the box body, a plurality of folding lines parallel to the upper edge of the side plateare arranged on the edge of the box cover, a user folds the box cover along the folding lines to obtain hanging lugs protruding towards the outer side of the box body, the hanging lugs are connectedwith the rocking cover folded towards the outer side of the box body in an inserted mode, and the box cover covers the upper end of the box body. According to the packaging box provided by the invention, the edge of the box cover is folded; hanging lugs for hoisting are formed on the outside of the box body and the hanging lugs are connected with the rocking cover of the box body in an inserted mode; compared with the prior art that extra parts are used for being assembled with the box body, the hanging lug structure is easy to form, stable connection between the box cover and the box body isachieved, the overall strength of the packaging box hoisting structure is improved, and the packaging box is suitable for application and popularization.

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 belongs to the field of medical auxiliary appliances, and particularly relates to a movable device for fixedly connecting an infusion apparatus and an infusion rack. The movable device comprises an infusion rack fixing C-shaped ring, an infusion apparatus fixing C-shaped ring, a connecting grab and limiting bent projections, wherein the limiting bent projections are respectively arranged on the outer wall of an opening end of the infusion rack fixing C-shaped ring; the opening angle of the infusion rack fixing C-shaped ring and the opening angle of the infusion apparatus fixing C-shaped ring are 120 degrees; the connecting grab comprises an upper slot and a lower slot; the upper slot and the lower slot share a vertical plate; the width of the upper slot is matched with the thickness of the infusion rack fixing C-shaped ring; the width of the lower slot is matched with the thickness of the infusion apparatus fixing C-shaped ring; the infusion rack fixing C-shaped ring is inserted in a cavity of the upper slot; and the infusion apparatus fixing C-shaped ring is inserted in a cavity of the lower slot. The movable device for fixedly connecting the infusion apparatus and the infusion rack has the advantages that the movable device is simple in structure and reasonable in design; infusion pipelines are neat when the movable device is used; the risk that the infusion pipelines slip due to the fact that the infusion pipelines cannot be fixed and swing randomly is avoided; and the movable device can be adjusted according to specific infusion conditions of liquid and is flexible and convenient to operate.

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 provides a belt wheel guide structure and an engine. The belt wheel guide structure comprises a belt wheel train and a guide body; the belt wheel train comprises a belt wheel and a beltwhich is arranged on the outer circumference face of the belt wheel in a surrounding manner and is driven by rotation of the belt wheel to move; the guide body is located on the rotation plane of thebelt wheel, the guide body is located on one side of the belt wheel, the guide body is provided with two ends bent towards the belt wheel, the inner side of the end of the guide body makes contact with the belt on the two sides of the belt wheel, and the included angle formed by the connecting line between each of the two ends and the axis of the belt wheel is larger than the wrapping angle of thebelt wheels. Under the condition that the belt wheel guide structure occupies small space, the wrapping angle of the belt wheel is increased, the slippage risk caused by the too small wrapping angleof the belt wheel can be avoided, the structure is simple, the mounting manner is flexible, the cost is low, and the structure can be used for the wheel train with the compact and complex structural space.

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 base paper automatic loading and unloading device and a slitter equipped with the device. The base paper automatic loading and unloading base paper device includes a working support; a paper upper frame and a top paper support are respectively arranged on opposite sides of the working support And they are all connected with the working bracket in rotation, the paper upper frame can accept the original paper; and cooperate with the upper paper frame to rotate to send the base paper to the preset position; The working support, its extended end is rotatably connected to the upper paper holder, and can drive the upper paper holder to reciprocate to the side where the upper paper holder is located; Its protruding end is rotatably connected to the top paper holder, and can drive the top paper holder to reciprocate on the side where the upper paper holder is located. The invention can realize the automatic paper loading and unloading function of the base paper slitting machine, has high working efficiency, simple structure and high safety factor, and avoids damage to the roller of the dragging paper frame by the paper loading and unloading equipment in the prior art.

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 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 the field of machinery, in particular to a movable spraying device and a spraying method thereof. According to the spraying device provided by the invention, firstly, the production safety can be greatly improved, high-altitude operation can be avoided in a limited manner, and secondly, to-be-sprayed equipment is firstly in a horizontal state and is prevented on the spraying device, and then the to-be-sprayed equipment is slowly inclined at an angle, so that the risk of sliding down is effectively avoided, and the personal safety in the working process is greatly guaranteed; and in addition, compared with the prior art, the spraying device provided by the invention has the advantages that the labor intensity can be greatly reduced, the efficiency is improved, and the labor intensity is greatly reduced and the production efficiency is improved due to the fact that the high-altitude operation is reduced or avoided.