18results about How to "No slippage" patented technology

A hollow slab beam hinge joint embedded steel bar efficient flat bending device comprises a pry bar force arm, a pry hook is arranged at the front end of the pry bar force arm, an annular lifting lug is fixed to the lower end of the front portion of the pry bar force arm, the upper end of a pressure-bearing rod is rotatably installed in the annular lifting lug, and a limiting angle plate is fixed to the lower end of the pressure-bearing rod; when the prying hook is hooked into the pre-embedded annular rib, the limiting angle plate is in contact with the bent steel bar; when the pry bar force arm applies force downwards, the bent steel bar is flattened by the limiting angle plate. According to the efficient flat bending device for the hollow slab beam hinge joint embedded steel bar, the construction efficiency can be improved, and the construction difficulty can be reduced.

This invention relates to the field of oilfield thermal recovery well technology, and discloses a well completion process device, a column-type ground anchor, and a method for increasing the prestress of the oil layer casing. The well completion process device includes a surface casing (1) located below the surface, an oil layer casing (2), and a casing head body (3). The oil layer casing is connected to the inner surface of the casing head body via a connecting assembly (40). A column-type ground anchor (500) is connected to the bottom of the oil layer casing. The column-type ground anchor includes an anchor claw (502) and a plunger body (530). A liquid outlet (501) is formed on the column-type ground anchor. The anchor claw can extend out of the side wall of the plunger body and insert into the formation. Cement can be discharged from the liquid outlet to seal the annular gap between the oil layer casing and the formation. This invention uses hydraulic oil to insert the anchor claw into the formation, pulling the oil layer casing to a preset load. After the oil layer casing is pulled up, it is clamped to the inner wall of the casing head body via the connecting assembly, thus increasing the prestress.

This utility model relates to the field of mold technology, and in particular to a continuous pipe clamp mold that avoids long and short sides. The continuous pipe clamp mold includes an upper mold assembly and a lower mold assembly. The upper mold assembly includes an upper mold base, an upper forming male, a movable forming male, a cutter, and a stripper plate. The upper forming male and the cutter are fixedly connected to the upper mold base. The movable forming male and the stripper plate are movably disposed on the upper mold base. The cutter, the movable forming male, and the upper forming male are arranged sequentially along the feeding direction. This continuous pipe clamp mold that avoids long and short sides prevents material slippage during bending, resulting in high stability in material bending and forming, high product dimensional stability, and effectively shortens the cutter length, extending the cutter's service life. It solves the technical problems of existing pipe clamp molds, such as the easy occurrence of long and short sides during forming, poor product compatibility, and easy cutter breakage and failure.

The utility model relates to the technical field of winding devices, and discloses a fiber mask winding device which comprises a first winding roller, baffles are fixedly connected to the two ends of the first winding roller respectively, a second winding roller is arranged above the first winding roller, and connecting blocks are fixedly connected to the two ends of the second winding roller respectively. One end of the connecting block extends out of the baffle and is slidably connected with the baffle, a connecting plate is fixedly connected to the end, adjacent to the connecting block, of the baffle, a limiting hole is formed in the bottom of the connecting plate, and a first telescopic rod is fixedly connected to the end, located on the connecting plate, of the connecting block; a limiting hole is formed in the first winding roller, a limiting block matched with the limiting hole is fixedly connected to one end of the first telescopic rod, a first spring is arranged at the position, located on the first telescopic rod, of the connecting block, and one end of fiber cloth is pressed through the design of the first winding roller and the second winding roller, so that the fiber cloth cannot slip in the winding process.

The invention belongs to the technical field of mechanical property testing of resin-based fiber reinforced composites, and particularly discloses a stress relaxation testing device and method for a winding forming fiber reinforced composite, and the device comprises a special test sample, a strain measurement system, a load loading device and an environment box; according to the device and the method for testing the stress relaxation of the wound fiber reinforced composite material, through the innovative method and device, the stress relaxation behavior of the wound fiber reinforced composite material under the action of an external environment can be more comprehensively captured and analyzed; therefore, the stress relaxation characteristic of the fiber reinforced composite material prestressed winding structure in the long-term service process can be measured, and the problem of stress relaxation measurement of the winding forming fiber reinforced composite material prestressed structure can be solved.

The invention discloses an automatic garbage sorting street cleaning machine based on visual recognition technology, comprising a shell, a collecting mechanism, a delivering mechanism, a driving mechanism and a recognition system. The collecting mechanism is used for cleaning and collecting garbage on the street, the delivering mechanism is used for delivering the collected garbage into a classified garbage bin in a classified manner, the driving mechanism is used for driving the entire machine to run along the street, and the recognition system is used for identifying obstacles and garbage. Through the above structure, garbage cleaning is stable, and the cleaned garbage can be classified by the visual recognition system during the cleaning process. The machine is easy to use, and can sense the presence of people and obstacles through cameras and ultrasonic ranging sensors, so that it can respond to complex situations such as street traffic in a timely manner, automatically clean and classify street garbage, and avoid waste of human resources.

The utility model relates to the technical field of petroleum operation, in particular to a hoisting device. The hoisting device comprises a hoisting rope and a hoisting assembly. The hoisting assembly comprises a bearing part, a lock pin part and a locking block. The bearing component is provided with a first hole and a second hole, the first hole and the second hole are coaxial, a gap capable of containing the flange edge of the blowout preventer is formed between the first hole and the second hole, and the bearing component is connected with the lifting rope. The lock pin component is configured in the mode that when the flange edge of the blowout preventer is contained in the gap, the lock pin component can penetrate through the first hole, a diagonal screw hole formed in the flange edge and the second hole. The locking block is connected to the bearing component and used for locking the lock pin component when the lock pin component penetrates through the first hole, the diagonal screw hole formed in the edge of the flange and the second hole. The lifting rope cannot slip, and meanwhile, the locking block locks the locking pin component, so that the stability of connection between the lifting assembly and the blowout preventer is high.

The utility model discloses a cable drawing, forming, take-up and straightening device which comprises an operation table, supporting legs are symmetrically and fixedly connected to the two sides of the bottom of the operation table, a lower supporting plate is fixedly connected to the top of the operation table, and an upper supporting plate is arranged at the top of the lower supporting plate. Straightening rollers are rotatably connected to the front faces of the upper supporting plate and the lower supporting plate at equal intervals, an adjusting mechanism is arranged on the back of the upper supporting plate and comprises an adjusting assembly and a power assembly, and the bottoms of two sliding rods are fixedly connected with the top of the lower supporting plate. The threaded rod extends to the bottom of the operation table and is fixedly connected with a rotating wheel. According to the cable drawing, forming, take-up and straightening device, cables with different thicknesses can be straightened through the arranged adjusting mechanism, meanwhile, in the straightening process, the straightening rollers cannot shake or deviate, the straightening effect is ensured, the structure is simple, and practicability is high.

This utility model relates to a fixing structure for a photovoltaic power station on a concrete flat roof, belonging to the field of photovoltaic power station fixing technology. The photovoltaic power station includes multiple photovoltaic brackets arranged in a straight line at equal intervals. The two mounting ends of the photovoltaic brackets are respectively fixed to two concrete counterweights, which are fixed to the roof. A concrete parapet wall is set on each side of the photovoltaic bracket arrangement direction, and the concrete counterweights are fixed to the roof. The two ends of the fastening cables are respectively fixed to the two concrete parapet walls, and the fastening cables are fixedly connected to all the concrete counterweights. This solves the problem of insufficient load-bearing capacity of the current roof for photovoltaic power stations.

The utility model discloses an assembly type machine room convenient to transport and hoist, and relates to the technical field of assembly type buildings, the assembly type machine room comprises a machine room body, a lifting lug and a machine cabinet door hinged on the machine room body, the machine room body comprises a steel structure frame, a foundation base, an assembly type cement foam plate and a foundation top plate; the foundation base is arranged at the bottom of the steel structure frame, the foundation top plate is arranged at the top of the steel structure frame, and the multiple assembly type cement foam plates are fixedly arranged on the steel structure frame; the lifting lug comprises a lifting lug head, a lifting lug bottom and a lifting hole; the top end of the head of the lifting lug is semicircular, the lifting hole is formed in the circle center of the semicircle, and the bottom of the lifting lug is fixedly arranged at the top end of the steel structure frame; a plurality of grooves are formed in the hole wall of the lifting hole, and the grooves are formed in the hole wall of the lifting hole in a petal-shaped surrounding mode. And an anti-skid rubber layer is arranged at the groove, so that the technical problem that many difficulties exist in the transportation and hoisting processes is solved.

The utility model discloses a punching mechanism of a precise four-column hydraulic cutting machine, and relates to the technical field. The device comprises a device body, a control table is fixedly connected to the front face of the device body, guide columns are fixedly connected to the four corners of the top of the device body, a second groove is formed in the top of the device body, an operation table is fixedly connected to the inner wall of the second groove, and a fixing assembly is arranged in the operation table. The outer surfaces of the four guide columns are slidably connected with moving plates. By arranging the replacing assembly, specifically, a cutter needing to be used is placed in the center of the bottom of the hollow frame, a rotating handle is rotated clockwise to fix the cutter to the bottom of the hollow frame, a second motor is started to fix a plurality of different cutters to the bottom of the hollow frame, and therefore when the device works, workers do not need to frequently replace the cutters; and the workload of workers is reduced, so that the device can rapidly cut off various materials with different requirements, and the working efficiency of the device is improved.

The utility model discloses a kind of wobblers for baby carriage, belong to baby nursing apparatus technical field, comprising: shell, the shell has accommodating cavity, and outer surface is equipped with the installation mechanism for the wobbler whole detachably fixed on baby carriage handle or frame;Wobble mechanism, the wobble mechanism is set in the accommodating cavity;The wobbler for baby carriage under the premise of guaranteeing wobbler whole quick disassembly on baby carriage handle or frame, shell, installation mechanism and wobble mechanism are organically integrated;Fixed band and insert buckle cooperate arc fixed position, so that shell and frame keep close adhesion and leave trace floating space, swing amplitude can be completely transmitted without appearing slip or deviation, therefore, wobbler is continuously output stable, low amplitude, low frequency swing, significantly reduce the risk of structural looseness, noise escape and power interruption, and reduce the physical burden of parents when pacifying baby.

The invention provides a reconfigurable flexible strain sensor based on a magnetic connection interface and a preparation method thereof, and belongs to the technical field of flexible strain sensors. The strain sensor comprises a sensing module and a grid structure, and the sensing module and the grid structure are in reversible magnetic connection to realize dynamic switching of sensing directions and performance regulation and control. When the sensor is combined with a grid structure with different mechanical guiding characteristics in a magnetic attraction mode, a magnetic connection interface not only realizes stable attachment of components, but also allows the whole stress transmission path of the sensor to be changed through non-contact rapid replacement. Therefore, on the premise of not depending on external energy input and changing the structure of the sensor, the sensing direction (such as one-way and multi-way) and the sensitivity of the sensor are dynamically adjusted. The method thoroughly gets rid of the dependence of the traditional reconstruction technology on heat, light, electricity or chemical stimulation, and realizes convenient, reversible and zero-power-consumption reconstruction in a real sense.

The utility model discloses a kind of visual rectification structures of multi-welding gun nameplate welding, it is related to welding rectification technical field, including workbench, the workbench top surface one side is fixedly connected with multiple mechanical rocker arms, and mechanical rocker arm end is equipped with welding device, the mechanical rocker arm end one side is fixedly connected with visual sensor, and mechanical rocker arm bottom one side is fixedly connected with control box, the workbench top surface both sides are all fixedly connected with multiple workpiece tables, the utility model can utilize double thread assembly to promote the multiple opposite components of its outer wall both ends synchronous along sliding groove outer wall to center movement, and drive its top clamping side plate tightly workpiece outer wall, and workpiece is firmly fixed in workpiece table top surface center using non-slip gasket, compared with the mode that magnetic plate simply relies on magnetic force adsorption, this kind of physical clamping can form all-around constraint to workpiece, even if there is the vibration caused by high-frequency electromagnetic oscillation, workpiece also cannot produce slip or displacement.

The utility model belongs to concrete guardrail unloading technical field, concretely relates to a kind of double-side grabbing type concrete guardrail unloading structure, including lifting support, and two clamping mechanisms that are symmetrical left and right are installed on lifting support, the clamping mechanism includes swing frame hinged on lifting support, swing frame drive assembly is connected between the upper end of swing frame and lifting support, the lower end of swing frame is fixedly connected with shaft seat, and turnover shaft is rotatably connected in shaft seat, one end of turnover shaft is connected with turnover shaft drive assembly, the other end of turnover shaft is fixedly connected with mounting seat, and clamping seat is hinged on mounting seat.The utility model can drive two swing frames to swing relatively by the action of two swing frame drive assemblies, to drive two clamping seats to clamp concrete guardrail, to realize the grabbing of concrete guardrail;By the action of two turnover shaft drive assemblies, two turnover shafts can be driven to rotate 180 °, i.e., concrete guardrail can be driven to overturn 180 °, to realize that the bottom surface of concrete guardrail is placed downward.

The utility model relates to the technical field of RRUs capable of being quickly assembled and disassembled, in particular to a convenient-to-maintain RRU external interface structure capable of being quickly assembled / disassembled, which comprises a shell, a connecting plate is abutted against the bottom of the shell, an insertion plate is fixedly connected to one side, close to the shell, of the connecting plate, the insertion plate is slidably connected in the shell, a positioning groove is formed in the insertion plate, and the insertion plate is fixedly connected with the shell. The beneficial effects of the utility model are that through the mutual cooperation among the pressing groove, the pressing block, the positioning block, the insertion plate, the positioning groove, the spring and the positioning frame, the device can control the movement of the positioning block by pressing the pressing block, thereby ensuring the stability of the insertion plate installed inside the housing, and the spring can push the pressing block to drive the positioning block to move, thereby ensuring the stability of the insertion plate. It is ensured that when the positioning block is inserted into the positioning groove formed in the insertion plate, slipping cannot occur, the installation stability of the connecting plate is ensured, the problem that an existing connecting plate is difficult to replace is solved, and the convenience of replacing the connecting plate and the connecting port is improved.

The utility model discloses a micromotor shell punch forming device which comprises a punching box, a plurality of die casting mechanisms are arranged in the punching box and used for punching raw materials into products, and the utility model relates to the technical field of punching equipment. According to the punch forming device for the micro-motor shell, the top end of a clamping rod is in threaded connection with a clamping block, the clamping rod is sleeved with a fixing column, the clamping rod is connected with a clamping column, a groove is formed in the surface of the clamping column, and the clamping rod is connected with a connecting shaft, so that the problems that in the punching operation of the micro-motor shell, the shell and a shell cover need to be punched separately, and then are assembled; however, the shell production speed is slower than the shell cover production speed, a production line for completing the shell cover needs to be used for shell production in a mold replacement mode to shorten the total production time, and time and labor are wasted and a large amount of production time is occupied due to the fact that traditional mechanical mold replacement needs to spend a large amount of time for disassembly and calibration. And the production speed is reduced.

The utility model provides an edge sealing device for processing a purification plate, which relates to the technical field of edge sealing devices for processing purification plates, comprises a bracket, and is characterized in that a conveying belt is arranged at the upper top of the bracket, a rectangular plate is fixedly connected to the side surface of the bracket, a clamping component is arranged on the side surface of the bracket, and the rectangular plate is fixedly connected to the side surface of the bracket. A gluing assembly is fixedly connected to the upper top of the rectangular plate, a motor is fixedly connected to the bottom of the rectangular plate, a protruding block is fixedly connected to the output end of the motor, a rotating roller is fixedly connected to one end of the protruding block, a connecting belt is arranged on the surface of the protruding block, and a round rod is rotationally connected to the surface of the rectangular plate; a connecting belt is arranged on the surfaces of the round rod and the protruding block, one end of the round rod is fixedly connected with a rotating roller, a cleaning device is arranged on the surface of the rotating roller, and the problem that the edge sealing strip slips between the rollers due to the fact that an anti-skid block is used for a long time and is abraded is solved.