104results about How to "Increase pulling force" patented technology

The invention discloses a flexible chip oriented multi-thimble peeling apparatus. The peeling apparatus comprises a fixed seat, a dual-vacuum cavity, a multi-thimble mechanism and a cam rotation driving mechanism, wherein the dual-vacuum cavity consists of an inner vacuum cavity and an outer vacuum cavity formed in the inner side and the outer side respectively; the inner vacuum cavity can slide up and down independently; the multi-thimble mechanism consists of an inner-ring thimble mechanism and an outer-ring thimble mechanism which are coaxially mounted and operated and controlled independently; the inner-ring thimble mechanism and the outer-ring thimble mechanism are integrally arranged at the lower part of the inner vacuum cavity in a vertical direction, and each of the inner-ring thimble mechanism and the outer-ring thimble mechanism comprises thimbles, a supporting frame and a follower; and the cam rotation driving mechanism is used for controlling time sequence of up and down actions of the inner-ring thimble mechanism and the outer-ring thimble mechanism as well as for realizing flexible switching between single-thimble and multi-thimble. The invention also discloses a corresponding peeling method. Through the peeling apparatus and the peeling method, the peeling precision and peeling efficiency can be dramatically improved, and damage on the flexible chip and a blue membrane in the peeling process can be effectively reduced; and meanwhile, the peeling apparatus has the characteristics of compact structure, convenience in operation, control and use, and the like.

The invention provides a reinforcing and repairing structure for a purlin and a beam node of a historic building. The two ends of the purlin are erected above a beam head; pillow-shaped timbers are arranged on the left and right sides of the beam head; the pillow-shaped timbers are arranged between the purlin and a purlin frame; the bottom surfaces of the pillow-shaped timbers are ejected above the purlin frame; the heights of the pillow-shaped timbers are greater than the height of the beam head; the widths of the pillow-shaped timbers are greater than the diameter of the purlin; and on the basis of not changing raw materials and a construction process, the purlin and the beam node of the historic building are reinforced.

The present invention relates to an apparatus and method for producing round brushes. The apparatus for producing round brushes, which have bristles twisted in between two portions of a folded wire. The apparatus has a bristle feeding device and a rotary gripper for twisting two portions of wire with bristles located therebetween, a deflecting device with two deflecting rollers spaced apart in the longitudinal direction of the wire. The rotary gripper is linearly displaceable transversely in relation to the longitudinal direction of the wire, for gripping the folded region of the wire that is formed by force being applied by an application element that is adjustable between the deflecting rollers transversely in relation to the longitudinal direction of the wire. A bristle feeding device, for feeding bristles to the bent-around portions of wire, is provided in the region of the deflecting rollers. In the region of the unfolded portions of wire there is provided a device for slowing the advancement of the wire.

The invention discloses an invented concrete pile structure appearing in a tree root shape. The structure is characterized in that the pile looks like a tree root; the trunk is a big pile body (1); the tree root is a small pile body (2); the corss section of the big pile body (1) is in a petal shape; the number of the small pile bodies (2) corresponds with that of the petal-shaped leaf structure (3); the central line of the small pile body (2) is formed into an included angle ''a'' against that of the big pile body (1). The invention is characterized by high friction force against foundation earth; if executed throughout the country, the consumption of cement, sand, macadam and steel can be considerably lowered, so that large quantity of resources can be saved. Therefore, it is hoped to result in a revolution in architectural engineering execution.

The invention relates to the technical field of printing and dyeing equipment, and discloses a continuous printing and dyeing ironing machine, comprising a bottom plate, the top of the bottom plate is fixedly connected with the bottom of the first unwinding machine, and the top of the bottom plate is connected with the bottom of the first slide rail. The bottom is fixedly connected, and the first slide rail is located on the right side of the first unwinder, the first slide rail is slidingly connected with the first slider, and the top of the first slide rail is fixed to the bottom of the second unwinder connected, the side of the second unwinder away from the first unwinder is fixedly connected to one side of the baffle, and the back of the baffle is fixedly connected to the front of the first electric push rod. In the continuous printing and dyeing ironing machine, the first unwinder fixedly connected to the top of the bottom plate and the winder fixedly connected to the top of the bottom plate cooperate with the first slide rail, the first slider, the second unwinder and the first electric pusher. When the cloth of the second unwinder is finished, the cloth of the first unwinder is connected with the cloth of the second unwinder to achieve the effect of continuous ironing of the cloth.

The invention relates to an apparatus, in particular a firing apparatus (1) for a pyrotechnic protection apparatus, in particular an airbag or belt pretensioner, comprising: a power leadthrough, in particular a metal fixing material leadthrough (2), comprising a base body (8) which is provided with a passage opening (7), and at least one metal pin (6) which is arranged in the passage opening (7) in the base body (8) in a fixing material (6); a housing part (19, 4) which at least partially accommodates the power leadthrough so as to form a space for accommodating a propellant charge (5); a casing (22) which at least partially surrounds the power leadthrough (2), the metal pin (6) and the housing part (19, 4); wherein the base body (8) has a thickness D in the range of from 2.0 mm to 0.1 mm, preferably in the range of from less than 1.0 mm to 0.1 mm, in particular less than 0.8 mm to 0.5 mm, and means (27) are provided on the metal pin (6) in such a way that the casing (22) engages with the metal pin, wherein the casing and the base body together absorb a pull-out force of the metal pin which is greater than 150 N, in particular greater than 165 N, preferably greater than 200 N, in particular greater than 250 N, in particular greater than 300 N.

The invention relates to a reinforcement treatment structure for a joint of a squat queen post and a beam of a historic building. A base of the squat queen post is clamped on the beam by virtue of a wood component, a double tenon is arranged on the base of the squat queen post, a double tenon mortise matched with the double tenon is formed in the beam, and reinforcement is carried out without adopting an iron clasp nail, flat steel or angle steel on the basis that the original material and construction technology are not changed, and only a wood structure is adopted for carrying out reinforcement treatment on the joint of the squat queen post and the beam of the historic building.

The invention discloses a reinforcement treatment structure for a joint of a baotou beam and a hypostyle column of a historic building. One end of the baotou beam is a through tenon. The hypostyle column is provided with a baotou beam mortise. The through tenon is inserted into the baotou beam mortise and passes through from the other side of the hypostyle column. A crosser is arranged below the baotou beam in parallel. The crosser is composed of a thin section in the middle and thick sections at the two ends of the thin section, wherein the thin section and the thick sections have the same height. A thin section mortise is formed below the baotou beam mortise. The thin section is clamped into the thin section mortise. The thick sections at the two ends are clamped to the two sides of the hypostyle column. On the basis of not changing raw materials and construction technology, the joint of the baotou beam and the hypostyle column of the historic building is reinforced.

The invention discloses a massive concrete pouring method. The massive concrete pouring method comprises the steps of erecting of formworks, grout making, pouring, curing, secondary pouring and the like. The ratio of the length of cooling pipes to the size of a grouting body serves as a guidance parameter for distributing the cooling pipes, so that the difficulty of secondary grouting is lowered on the premise of ensuring the proper cooling capacity of the cooling pipes, and the usage quantity of the cooling pipes and the cost are reduced; galvanized corrugated pipes or finned galvanized steel pipes are used as the cooling pipes, the contact area between the cooling pipes and the pouring body is enlarged, the stress direction is changed, and complete planar stress is changed to arc stress along the surfaces of the corrugated pipes; part of ice blocks are used for replacing part of water to carry out mixed grout making, and ice particles absorb hydration heat and melt gradually; temperature is not increased while the melting ice particles absorb a large amount of hydration heat, evaporate, dissipate and melt into water, so that the temperature inside the pouring body is further decreased.

The invention discloses an asphalt mixture pavement. The asphalt mixture pavement is composed of an asphalt mixture and a reinforcing framework, wherein the reinforcing framework is a latticed framework, the asphalt mixture is prepared from, by weight, 15-22 parts of asphalt, 8-12 parts of gravel, 2-8 parts of waste tire particles, 22-38 parts of basalt fiber staples and 2-6 parts of mineral powder, the reinforcing framework is made from, by weight, 24-38 parts of continuous basalt fiber, 12-22 parts of glass fiber and 14-28 parts of carbon fiber. The basalt fiber staples are added in the asphalt mixture to improve the strength and high temperature and low temperature resisting performance of the asphalt mixture, the asphalt mixture pavement is not damaged both in icy and snowy weather in the north and sun exposure in the south and is good in road surface evenness, no track is also left, and the potential safety hazards brought by tracks are eliminated.

The invention discloses a PCB (printed circuit board), wherein a first end of the PCB is provided with first press fit positioning holes; a second end of the PCB is provided with second press fit positioning holes; and the first press fit positioning holes on the PCB are arrayed in a wave type horizontally. The diagonal dragging force in the press fit positioning of the PCB is increased through the first press fit holes arrayed in the wave type, thereby being beneficial to the fixing of the PCB and a tool plate, avoiding the integral sliding plate malposition of the PCB and improving the positioning accuracy.

The invention discloses a double-pumping-prevention oil pump. The double-pumping-prevention oil pump comprises a pump barrel, wherein the pump barrel is connected with a working barrel through an upper joint; the pump barrel is connected with a bias fixed valve through a lower joint; a ring valve seat is fixed on the working barrel; a sliding sleeve sleeves the outside of a slipping rod; a ring-shaped valve plug is fixed at the upper end of the sliding sleeve; and the ring-shaped valve plug is matched with the ring valve seat. According to the double-pumping-prevention oil pump, because the ring-shaped valve plug is used in the pump, the ring-shaped valve plug is closed in a downward stroke, liquid column high pressure exists above the valve plug, the inside of a pump cavity has low pressure, a rod string is stretched by pressure difference, and the circumstance that eccentric wear of a rod tube is caused by bending of the rod string is avoided; and in down stroke, down pull force caused by difference of pressures of the upper end surface and the lower end surface of the slipping rod is increased, and thus, downward polished rod load is higher than downward polished rod load when aconventional pump is used. When in up stroke, due to opening of the ring-shaped valve plug, the same pressure system is arranged above a plunger, under the condition that the pump diameter is not changed, upward polished rod load is the same as that of the conventional pump, up load is not changed, down load is increased, action of a suspension point is relieved, and therefore, an energy-saving effect is achieved.

The invention relates to wire-drawing production equipment in wire product industry, in particular to a drawing step pulley of a water tank wire-drawing machine. The drawing step pulley comprises pulley plates, a planet wheel, a planet wheel shaft, a chafing plate and a planet rolling step pulley of water tank wire-drawing machine assembled by the plurality of pulley plates. The invention provides a planet rolling step pulley, which has a counter pull drawing effect and avoids a wire sliding on the planet rolling step pulley. Breaking a principle that the size of a drawing force used in wire drawing is determined by the size of a friction force between the wire and the step pulley, the planet rolling step pulley allows the size of the drawing force to be determined by the size of the friction torque of the planet wheel and the number of the planet wheel, and allows the planet wheel to rotate freely when the wire slide back on the planet rolling step pulley, thereby avoiding the sliding friction of the wire on the step pulley and converting the power consumption for sliding friction into rolling friction torque to do work. The planet rolling step pulley can obviously reduce energy consumption for drawing and effectively solve the problem of step pulley wear and wire chafing.

The present invention discloses a wearable telescopic conductive cloth. A conductive cloth body is elastic cloth and is used for making smart clothes. The surface of the conductive cloth body is provided with a first area for sticking a sensor, a second area for sticking a chip-type battery, and a third area for printing a connection circuit. A connection circuit at the surface of the third area comprises a soft rubber layer, a silver glue circuit layer, an auxiliary circuit layer, an insulation protection layer and a waterproof layer sequentially stacked on the surface of the conductive clothbody. The soft rubber layer is made of soft rubber with elasticity, and a rubber body on a first surface is in contact with the conductive cloth body and is immersed in a fiber gap of the conductivecloth body. A circuit of the silver glue circuit layer is drawn from silver glue and is arranged on a second surface of the soft rubber layer. The auxiliary circuit layer, the insulation protection layer and the waterproof layer sequentially cover the silver glue circuit layer. The conductive cloth provided by the invention is not easily broken when the conductive cloth is stretched, and the normal electrical connection between the sensors can be effectively ensured.

The invention discloses a large-scale garbage dump slope shaping construction method, which is characterized by comprising the following steps: step A, laterally opening a film in the upper part of agarbage dump to separate the construction section from the upper film, and then disassembling at two ends of a transverse slit, and separating the film and simultaneously packaging and binding the separated films and transporting the films out of the construction area; B. vertically excavating the garbage slope from the outside to the inside at the first construction section; C. laying tiled geogrids at the bottom of the dump pit and anchoring with U-shaped rivets; D. piling up bagged gravels in the marginal area of the garbage slope; and E, backfilling the garbage and wrapping the gravel jutebags with the folded geogrids at the edge of the garbage slope. The upper and lower layers of tiled geogrids are connected by connecting rods so as to form a high-quality and stable garbage slope toensure sustainable operation of the landfill. The construction process is simple.

The invention provides a pole and tower foundation construction method. The pole and tower foundation construction method comprises the following specific steps that 1, a foundation pit is excavated, specifically, the periphery of the foundation pit is not sloped, and an operation margin is not reserved; 2, formworks are supported, specifically, a natural pit wall is used as a foundation formwork, a cylinder formwork is supported, and a step formwork is supported when steps exist; 3, reinforcing steel bars are bound, specifically, cylinder reinforcing steel bars are mounted according to design requirements, and the reinforcing steel bars at the four corners of a cylinder are inserted into the position 8-20 cm deep in the ground; 4, steel meshes are bound, specifically, the steel meshes are arranged along the reinforcing steel bars on the periphery of the cylinder and cover the foundation portion in height, and the steel meshes are bound to the reinforcing steel bars; and 5, pouring is conducted, specifically, the foundation portion adopts a full irrigation mode, and the interior and exterior of the cylinder are poured in a balanced mode. The periphery of the foundation pit is not sloped, the operation margin is not reserved, the earthwork volume is reduced by 10% or above, and eight man-hours or above can be saved.

The invention relates to a T-shaped steel member, and belongs to the technical field of steel structures. The steel member comprises a T-shaped steel part of which the outer contour is shaped like T and connectors, the connectors are connected to steel part long edge steel plates, and the connectors on the opposite sides are connected in a lapped mode. According to the T-shaped steel member, the stress performance of the structure and an industrialization level are improved.

The invention discloses an adjustable tension pull rope for fitness arm strength exercise, and belongs to the technical field of fitness equipment. The adjustable tension pull rope is characterized bycomprising a main device body, a pull rope assembly, a bottom seat cushion and a seat back and a cushion assembly; large pull rope bodies, middle pull rope bodies and small pull rope bodies are fixedly connected to the left and right sides of the pull rope assembly and symmetrically distributed, an inclined rope is welded to the front end of the main device body, a thigh pressing rod is welded tothe top of the inclined rod, and calf cushion layers are fixedly connected to the bottom of the inclined rod; the pull rope assembly is fixedly connected to the middle of the main device body, a headbacking cushion is fixedly connected to the rear end of the pull rope assembly, and the bottom seat cushion is welded to the bottom of the main device body. According to the adjustable tension pull rope, different tension strengths are set, the rear end of the seat back is provided with the large pull rope bodies, the middle pull rope bodies and the small pull rope bodies, and the tensions required by the three kinds of pull rope bodies are different.

The invention provides a rotary adjustable brake horseshoe. The rotary adjustable brake horseshoe comprises a body, a friction body, a reset telescopic piece, a rotating plate and a retainer; the body comprises a baffle, a first side plate, a second side plate, a front wall plate and a bottom plate; the baffle, the first side plate, the front wall plate and the second side plate are sequentially connected to form a rectangular frame; the length of the bottom plate is smaller than that of the rectangular frame; the bottom plate is horizontally arranged right below the rectangular frame body and is connected with the baffle; a limiting plate which is parallel and opposite to the baffle is arranged on one end, away from the baffle plate, of the bottom plate; the friction body is slidably arranged on the bottom plate and is positioned between the baffle and the limiting plate; a shaft body extending towards the baffle is horizontally arranged on the front wall plate; the rotating plate is rotatably arranged on the shaft body; the retainer is movably arranged on the front wall plate; the rotating plate is provided with at least one positioning hole. According to the rotary adjustable brake horseshoe disclosed by the invention, pulling force to the friction body when the reset telescopic piece performs deformation recovery can be improved by adjusting the position of the rotating plate, so as to ensure that the friction body can be reset smoothly.

The invention discloses a colorful gypsum decorative sheet and a preparing method thereof. The colorful gypsum decorative sheet comprises a gypsum plate, the two side faces of the gypsum plate are provided with a protective layer and a polyvinyl chloride film, and a bonding glue layer is arranged between the polyvinyl chloride film and the gypsum plate; and the protective layer is a paper protective layer, a plastic protective layer or a steel mesh. The polyvinyl chloride film is arranged, and therefore the waterproof and dampproof performance of the gypsum plate is improved. According to thecolorful gypsum decorative sheet prepared through the preparing method, the waterproof and dampproof effect is good, and the sound insulation performance is good.

The invention relates to a cross-shaped steel component, which belongs to the technical field of steel structures; the steel component includes a cross-shaped steel piece and a connecting piece, the connecting piece is connected to the steel plate on the long side of the steel piece, and the opposite side connecting piece is overlapped Together. The invention will improve the mechanical performance and industrialization level of the structure.