25results about How to "Reduce play" patented technology

The utility model relates to the technical field of power distribution devices, and provides a confluence cabinet and an energy storage system.The confluence cabinet comprises a box body, a circuit breaker, a wire inlet busbar and a wire outlet busbar, and the circuit breaker is arranged in the box body; the wire inlet busbar and the wire outlet busbar are arranged in the box body, are connected with the circuit breaker and are suitable for controlling the connection and disconnection of the wire inlet busbar and the wire outlet busbar through the circuit breaker; wherein in the first direction, the wire inlet busbar and the wire outlet busbar are located at one end of the circuit breaker, the wire inlet busbar and the wire outlet busbar are oppositely arranged in the second direction, extend in the third direction and are in lap joint with the cable in the third direction, and the first direction, the second direction and the third direction are different and form included angles with one another. Therefore, on one hand, the box body can be miniaturized and compactly arranged, the space occupation of the confluence cabinet is reduced, and the energy density of the energy storage system is improved; and on the other hand, the lap joint requirements of more cables can be met, the cable lap joint difficulty is reduced, the cable consumption is reduced, and the system capacity can be improved.

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.

A cable installation bracket for decoration construction belongs to the technical field of cable installation brackets, including an installation plate and a support plate, the support plate is fixed on the installation plate, a row of several installation grooves are provided on the support plate, and several cable clamping devices are provided on the support plate, and the cable clamping devices correspond to the installation grooves one by one; the cable clamping device includes several clamping plates, a transverse groove is provided on the support plate, and a row of several through grooves is provided on one side of the support plate. The cable is pre-fixed by the clamping plate, and then the cable is uniformly fastened and fixed by adjusting the rack. During pre-fixation, the angle of the clamping plate can be adjusted according to the different cable diameters, so that it is suitable for the fixing of cables with different diameters; during fastening and fixing, the angles of all the clamping plates are adjusted synchronously, so that the fastening and fixing force is increased synchronously, reducing the damage to the cable caused by over-tightening due to different cable diameters, and also reducing the cable movement caused by over-loosening; the cable can also be fixed individually or the cable can be released, which is more flexible to use.

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.

The utility model discloses an energy storage cabinet and an energy storage system, and belongs to the technical field of energy storage. The energy storage cabinet comprises a cabinet body and at least one stand column, an opening is formed in one face of the cabinet body, a containing cavity communicated with the opening is defined in the cabinet body, and the containing cavity is used for containing a battery module; the stand column is movably installed in the cabinet body between a first position and a second position, the stand column is used for limiting the battery module under the condition that the stand column is located at the first position, and the stand column is used for avoiding the battery module under the condition that the stand column is located at the second position. The stand column is movably installed in the cabinet body between the first position and the second position, and the stand column is used for avoiding the battery module under the condition that the stand column is located at the second position, so that the upper limit requirement for the size design of the battery module is improved, the proper size range of the designed battery module is enlarged, and the design efficiency is improved. And the energy density of the energy storage system is effectively improved.

The utility model discloses a supporting structure and an extruder, and relates to the technical field of automation equipment, the supporting structure comprises an outer pipe, an inner pipe, a supporting part and a gasket, the outer pipe is provided with two oppositely arranged mounting holes; an inner pipe is arranged in each mounting hole; the outer wall of the outer pipe is provided with a supporting part which protrudes upwards along the diameter of the inner pipe; the two ends of each inner pipe are each provided with a gasket, one end of each gasket is connected with the corresponding inner pipe, and the other end of each gasket protrudes in the axial direction of the corresponding inner pipe. According to the technical scheme, the inner pipe is sleeved with the outer pipe, and meanwhile the gaskets are arranged on the two sides of the inner pipe respectively. Wherein the inner pipe mainly plays a guiding role to adjust the eccentricity of the screw shafts, and the two screw shafts are in parallel kneading type transmission. A supporting part is further arranged on the outer pipe and used for being connected with an external structure in an abutting mode to achieve the supporting and overflowing effects. And the gasket is used for increasing the axial length of the outer pipe and the inner pipe, reducing the movement of the inner pipe and improving the axial positioning precision of the screw shaft.

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 application discloses a differential pressure self-balancing oil leakage prevention middle-mounted gear box and a method, and belongs to the technical field of gear boxes. A floating ring oil sealing structure is adopted to seal between a gear box output shaft and an output hole, a pressure sensor and a temperature sensor are arranged in a sealed gas cavity, a rotating speed sensor is arranged at the output shaft, a differential pressure sensor is connected between a sealed area and atmosphere outside the box, each sensor is connected to a controller, the controller is connected to a conventional pressure relief unit, a quick pressure relief unit and an oil return unit. When running, the controller collects the gas cavity pressure, temperature, rotating speed and actual differential pressure, makes a forward-looking prediction on the gas cavity pressure according to the temperature rise rate and the state relationship of constant volume gas, takes the actual differential pressure as feedback correction, controls the conventional pressure relief, the quick pressure relief and the active oil return according to the hierarchical logic, and actively releases before the differential pressure on both sides of the oil seal exceeds the safety range. The application improves the passive ventilation into forward-looking active adjustment, avoids the oil liquid overflow caused by the positive pressure rise in the box, and improves the sealing wear resistance.

The utility model relates to an internal power supply grab bucket winding drum structure in the technical field of lifting machinery, which comprises a drum body and a hollow drum shaft for a cable to penetrate through, the outer end of the hollow drum shaft is rotatably mounted on a bearing seat, and the inner end shaft body of the hollow drum shaft is coaxially fixed with the drum body through a connecting disc. The end part and the middle part of the barrel body of the barrel body are respectively provided with a rope winding area and a wire winding area; a spacing area is arranged between the rope winding area and the wire winding area, a spiral groove used for winding a cable is formed in the outer barrel wall of the barrel corresponding to the wire winding area, a through hole allowing the cable to penetrate through is formed in the groove bottom of the ring groove section, close to the hollow barrel shaft, of the spiral groove, and a pressing plate covers the ring groove section beside the through hole; the pressing plate is detachably connected to the outer wall of the cylinder body in the corresponding interval area through a bolt, and a hand hole is formed in the disc surface of the connecting disc; the grab bucket winding drum structure can ensure that the cable is stably installed and orderly wound and unwound, and the risk of shaking and abrasion is avoided.

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.

This utility model relates to the field of lead screw manufacturing technology, specifically to a testing fixture and testing equipment. The testing fixture includes a first part and a second part, which are detachably connected. The first part has a first receiving portion, and the second part has a second receiving portion. The first and second receiving portions, when connected, together form a mounting portion for assembling the component under test. This testing fixture, applied to testing equipment, has a simple structure and is easy to assemble and disassemble, thereby improving testing efficiency. Furthermore, it enhances the installation stability of the component under test, reducing its movement and thus improving testing accuracy.

The utility model provides transmission component and flower hub device, transmission component includes transmission seat, movable part and stop piece. Transmission seat is set in movable part's outer circumferential side. Movable part includes rotating seat and a plurality of movable components, a plurality of movable components are along the circumferential side interval setting of rotating seat. Stop piece is sleeved in rotating seat's circumferential side. A plurality of movable components are confined between stop piece and rotating seat. Transmission component is confined between stop piece and rotating seat through setting stop piece to movable component, and the constraint is formed to movable component, so that movable component can be confined between stop piece and rotating seat, is favorable to reducing movable component radial and axial vibration or movement, effectively reduced movable component easy to loosen, fall off situation, and then reduce the abnormal wear and tear between movable component and transmission seat, rotating seat, reduce maintenance frequency, improved the firmness of transmission component overall structure.

The invention discloses a front auxiliary frame assembly and a vehicle. The front auxiliary frame assembly comprises a front auxiliary frame, a sleeve assembly and a connecting assembly, the sleeve assembly comprises a first sleeve and a second sleeve, the first sleeve is fixedly connected with the front auxiliary frame, the first sleeve is of a symmetrical structure and is provided with a protruding part, the protruding part protrudes out of the front auxiliary frame, and the cross sectional area of the protruding part is gradually reduced in the direction away from the front auxiliary frame. The second sleeve is fixed to the automobile body and internally provided with an inner concave part matched with the protruding part, the inner concave part is used for containing the protruding part and abuts against the protruding part, the connecting assembly comprises a first connecting piece and a first matching piece, and the first connecting piece penetrates through the first sleeve and the second sleeve and is connected with the first matching piece so as to fix the front auxiliary frame and the automobile body. By the adoption of the technical scheme, the possibility that the front auxiliary frame moves relative to the vehicle body when bearing large horizontal acting force can be reduced, and then noise of the vehicle in the running process can be reduced.

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 invention discloses a positioning device for engine hood welding, which belongs to the technical field of welding supports and comprises a rotary table, a supporting platform is rotatably connected to the top of the rotary table, a stroke groove is formed in the top of the supporting platform, and a plurality of angle control mechanisms are arranged in a stroke inner cavity. And a clamping mechanism and an abutting control mechanism are installed at the tops of the angle control mechanisms correspondingly, and a welding slag guiding mechanism is installed in an inner cavity of the stroke groove and located on one side of the adjacent angle control mechanism. According to the engine hood welding device, through displacement adjustment of the multiple sets of clamping mechanisms and the abutting control mechanism, full adaptation of different welding clamping requirements is achieved, the welding adaptability to an engine hood is improved, and the moving base rotates to drive the top linear module and the clamping mechanisms to adjust and control the relative deflection orientation angle; and the clamping adaptability under the multi-point clamping condition is improved through fine adjustment of the clamping angle.

A wound lithium-ion battery and an electronic device, comprising an electrode assembly, wherein the electrode assembly comprises a first pole piece, a diaphragm and a second pole piece which are stacked and wound in sequence, the first pole piece comprises a first current collector and a plurality of first pole tabs electrically connected to the first current collector, and the second pole piece comprises a second current collector and a plurality of second pole tabs electrically connected to the second current collector; the electrode assembly is flat, and a notch S is provided at at least one corner of the electrode assembly. The multi-pole tab structure is provided to improve the charge and discharge performance of the battery, and at the same time, the battery failure can be avoided when a single pole tab is damaged, thereby improving the safety performance of the battery. The notch is provided to increase the width of the pole piece, reduce the movement space when the battery falls, and improve the energy density of the battery while reducing the risk of battery leakage, thereby improving the safety performance of the battery.

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.

The utility model relates to the preparation field of circuit board, especially a working groove for vertical circuit board spraying, the working groove contains guiding unit and lifting unit, guiding unit is used for providing vertical support to vertical circuit board inside the working groove, and the contact part of guiding unit is limited in the invalid area of vertical circuit board, the movable end of lifting unit is connected with guiding unit, is used for adjusting the height of guiding unit to adapt to different size vertical circuit board, the working groove selects two kinds of functional units in the chemical etching direction according to the limitation of electroplating process, one is guiding unit, the second is lifting unit, the common effect of both maintains the vertical state of circuit board, and deliberately avoids the touch with the line, even to the size of circuit board adaptive height adjustment, so as to reach the effect of adapting various specifications circuit board, solves the problem of big equipment volume in electroplating process, and the problem of size adjustment.

The invention provides a brushless fan. The brushless fan comprises a stator assembly, a rotor assembly, a front end cover assembly, a rear end cover assembly, an impeller and a fan cover. The impeller comprises a bottom plate, a cover plate and a plurality of blades; the plurality of blades are arranged between the cover plate and the bottom plate so as to form a flow guide channel between the cover plate and the bottom plate; an opening is formed in the middle of the cover plate, the opening corresponds to the air inlet, and the cover plate is of a structure which is high in the middle and low in the periphery, so that the height of the flow guide channel is gradually reduced from the air inlet to the air outlet; one end of each blade corresponds to the opening, and the other end of each blade extends to the periphery of the bottom plate along a centrifugal track; the blades are rotationally symmetrical to form the flow guide channel; wherein the blade comprises a plurality of flow guide section bodies which are sequentially connected along a centrifugal track, and the plurality of flow guide section bodies are respectively a plurality of sections of tangent arcs. According to the technical scheme, the brushless fan can provide high air pressure and flow.

The present application discloses a system, method and device for power supply and fire prevention of rotary kiln, the system comprising: a multi-dimensional sensing unit for collecting multi-source data including temperature, vibration and current using a variety of sensors; an artificial intelligence driving unit for inputting multi-source data into an integrated model to generate vibration prediction values ​​and temperature prediction values; an adaptive magnetorheological buffer unit for buffering the vibration of the rotary kiln based on magnetorheological fluid, and adaptively adjusting the magnetic field strength according to the vibration prediction value; a composite cooling unit for combining phase change materials and heat pipes to control the temperature of the first target area, and adjusting the control parameters using the temperature prediction value; a nano-coating thermal protection unit for determining the multi-layer gradient structure of nano-materials based on the temperature prediction value to optimize the thermal stress distribution of the second target area. Through the scheme of the present application, the temperature can be automatically controlled while reducing the vibration of the rotary kiln.