11results about How to "Reduce play" patented technology

The invention belongs to the technical field of synchronizers, and discloses a helicopter synchronizer and a using method thereof.The helicopter synchronizer comprises a driving device and a synchronous sleeve, a shifting fork is fixedly connected to the surface of the outer surface of the synchronous sleeve, a planet carrier is arranged on one side of the synchronous sleeve, a machine box shell is arranged on the other side of the synchronous sleeve, and the outer surface of the planet carrier is sleeved with combination teeth; the driving device is rotationally connected with the shifting fork through a second rotating shaft, the lower end of the synchronous sleeve is fixedly connected with a support, the lower end of the support is provided with a switch unit, the switch unit is electrically connected with the driving device, and the switch unit controls the synchronous sleeve to be meshed with or separated from the combination teeth, so that the helicopter tail rotor is driven to operate. The electric push rod is used for replacing hydraulic drive, hydraulic leakage is avoided, and the switch unit comprises a first switch and a second switch; electric signals are sent to the driving device through the switch unit, so that the working state of the driving device is controlled.

The application provides a battery device, an electric device and an energy storage device. The battery device comprises a box body and a soft package battery cell. The box body comprises a support plate and a frame. A plurality of soft package battery cells are stacked in a first direction. The soft package battery cell comprises a first surface and a second surface, a plurality of first surfaces are oppositely arranged along the first direction, and the support plate is oppositely arranged with a plurality of second surfaces along a second direction. The soft package battery cell comprises a packaging bag, an electrode assembly, an electrode terminal and a first insulating piece, the electrode assembly is provided with a tab portion at the end thereof along a third direction, the electrode terminal is welded with the tab portion and forms a first connecting portion, the area of the first connecting portion is 20mm 2 to 60mm 2 , the first insulating piece surrounds the electrode terminal and is arranged between the electrode terminal and the packaging bag, the first insulating piece is sealingly connected with the packaging bag and forms a second connecting portion, and the minimum distance between the first connecting portion and the second connecting portion along the third direction is 2mm-7mm.

The application relates to the technical field of motor equipment, and discloses a high-overload three-phase brushless motor, which comprises a shell, a plurality of insertion grooves are formed in the side wall of the shell, a bolt is slidably connected in the insertion grooves, and a rotating shaft is rotatably connected in the shell. When the spring elasticity is used to reduce the gap and the running deviation of the rotating shaft, the situation that the rotating shaft and the magnetic steel are damaged or rubbed during the rotation process under the high-overload condition due to the excessively large gap formed between the rotating shaft and the surrounding structure under the high-overload condition can be reduced, the operation accuracy and stability of the equipment during the high-overload process are ensured, and the reliability of the equipment during the operation is improved.

This utility model provides a node connection structure between prefabricated building exterior wall components and floor slabs, including exterior wall components, with several sleeve groups at the bottom of the exterior wall components, each sleeve group including several sleeves, and several grouting holes communicating with the sleeves on the side of the exterior wall components; floor slabs, with several embedded reinforcement groups inside the floor slabs, each embedded reinforcement group including several embedded reinforcements, one end of which extends out from inside the floor slab and is inserted into the sleeves; wherein, between two sleeve groups, the exterior wall components also have several spaced-apart reserved tooth groove groups, and between adjacent two embedded reinforcement groups, the floor slab also has several spaced-apart positioning tooth groups, with a first wedge surface abutting against a second wedge surface, and a protrusion being engaged in a limiting groove. By engaging the positioning teeth on the floor slab with the positioning tooth grooves on the exterior wall components, the horizontal positioning between the floor slab and the exterior wall components is achieved, which can reduce the horizontal movement of the exterior wall components relative to the floor slab and improve installation accuracy.

The application discloses a kind of based on low temperature embrittlement cooperates prefabricated mark guide plate stamping equipment, including base and the shelf plate of being movably arranged on base, the holding module for being clamped and positioning outside the processing area of tensioning the plate to be processed of outside the plate to be processed is arranged between the base and shelf plate, and the groove prefabricated module for processing V-shaped guide groove to outside the plate to be processed preset fracture zone, the low-temperature cooling module for the plate after being processed by groove prefabricated module is arranged on the side of base, to reduce the temperature of plate and maintain low-temperature atmosphere by being used for rapid cooling, and the control cabinet for being respectively communicated connection control with holding module, groove prefabricated module and low-temperature cooling module.The application solves the problem that traditional stamping process handles high-strength alloy plate and the outer ring component of difficult deformation material, because prefabricated mark processing, low-temperature treatment and stamping forming link discrete layout lead to parameter matching, low-temperature embrittlement uncontrollable, difficult to realize the problem of accurate control of fracture surface quality.

The massage mechanism core comprises a mounting base plate and a massage assembly. The mounting base plate is provided with a plurality of first sliding parts, and the massage assembly is provided with a plurality of second sliding parts. Each second sliding part is correspondingly and slidingly connected to each first sliding part along a width direction, so that the massage assembly is movably connected to the mounting base plate along the width direction. At least two second sliding parts are arranged along a height direction to limit the position of the massage assembly along the height direction. The width direction intersects the height direction. The position of the massage assembly along the width direction can be adjusted. When a user uses the massage function of the massage mechanism core, the position of the massage assembly can be adjusted to align the massage assembly with the part to be massaged, thereby improving the flexibility of the massage mechanism core.

The application relates to a vehicle stove and a vehicle, which comprise a box body, an open side of the box body being provided with an opening; a connecting rod mechanism is installed in the box body, one end of the connecting rod mechanism is connected to an inner wall of the box body, and the other end of the connecting rod mechanism is connected with a receiving plate, the receiving plate is installed with a stove cooker; a tableware storage cavity is formed between the receiving plate and an inner bottom wall of the box body; the receiving plate can be moved out of the box body through the connecting rod mechanism from the opening. When a driver has a demand for cooking and cooking, the receiving plate can be pulled out of the vehicle body, the stove cooker is moved out of the opening through the connecting rod mechanism, and cooking is performed; when the stove cooker is in a storage state, the receiving plate and the inner bottom wall of the box body have a tableware storage cavity, have a certain storage space, and can store tableware and other articles; if the tableware in storage is in contact with the receiving plate, the tableware and the stove cooker can be reduced in movement in the box body during vehicle driving, and noise can be reduced.

The invention discloses automatic welding equipment special for maintenance and replacement of electric heating elements of voltage stabilizers, and relates to the technical field of welding equipment for maintenance of the electric heating elements of the voltage stabilizers. The automatic welding equipment comprises a machine head shell, and a machine head clamping mechanism, a walking transmission mechanism, a welding machine head module and a wire feeding mechanism are arranged on the machine head shell; the machine head clamping mechanism is used for fixing the automatic welding equipment to a to-be-welded area, the walking transmission mechanism is used for driving the automatic welding equipment to rotate and move along a welding seam path, and at least four driving shafts are arranged in the automatic welding equipment to achieve the main rotation function, the arc length adjusting function, the welding seam swinging function and the wire feeding driving function correspondingly. The wire feeding mechanism is fixed to the machine head shell, and the whole rotation space of the automatic welding equipment is controlled within 160 mm. The full-automatic welding machine has the effect of achieving stable, high-precision and full-automatic welding of 2G position welding seams (butt joint / angle joint) between the electric heating element and the sleeve in a high-irradiation environment in an ultra-narrow rotation space smaller than or equal to 160 mm.

The application relates to a coating device for tufting carpets, which comprises a rack, a motor arranged on the rack, a base cloth roller detachably connected with an output shaft of the motor through a shaft coupling, an auxiliary assembly arranged on the rack, the auxiliary assembly comprising a rotating shaft rotatably connected with the rack, opposite sides of the rotating shaft being provided with roller placing frames, both ends of the base cloth roller being arranged in the roller placing frames, openings being arranged on the roller placing frames, and a driving piece arranged on the rack and used for driving the roller placing frames to rotate around the axis of the rotating shaft. The application has the effect of improving the efficiency of workers in replacing the base cloth roller.

The invention belongs to the field of power sockets, and particularly relates to a movable socket track and a manufacturing method thereof.The movable socket track comprises a socket track body, a sliding groove is formed in the socket track body, and a power socket is slidably connected into the sliding groove; a sliding groove is formed in the socket track body, sealing grooves are formed in the two sides of the sliding groove, sealing blocking pieces are arranged on the two sides of the power socket and are arranged in the sealing grooves in a sliding fit mode, winding assemblies are arranged at the two ends of the socket track body, the ends of the sealing blocking pieces are installed on the winding assemblies, and when the socket track is used, the sealing blocking pieces are made of elastic rubber materials. By means of the design of the structure, external dust and water drops are effectively prevented from invading into the sliding grooves, electrical safety and long-term operation reliability of the power socket in the sliding process are guaranteed, and meanwhile the situation that the power socket cannot slide and the risk of electric shock caused by the fact that external foreign matter is clamped into the sliding grooves can be avoided. And the user operation safety is improved.

The application belongs to the technical field of batteries, and discloses a battery monomer, which comprises a pole group and a shell, the pole group comprises a first pole group body and two second pole group bodies, the two second pole group bodies are connected to the two sides of the first pole group body in a first direction, the two sides of the first pole group body in a second direction are protruded from the two sides of the second pole group body in the second direction, a first limiting step is formed between the first pole group body and the second pole group body, the shell is provided with a containing cavity, the first pole group body and the second pole group body are located in the containing cavity, the shell comprises two limiting walls which are oppositely arranged along the second direction, each limiting wall is provided with a second limiting step on the two sides in the first direction, the step riser of each second limiting step is respectively in abutment with the step riser of a corresponding first limiting step, and the step tread of each second limiting step is respectively in abutment with the step tread of a corresponding first limiting step. The battery monomer can reduce the probability of displacement of the pole group in the shell.