37results about How to "Reduced assembly effort" patented technology

The invention discloses an adjusting system for a gas helium cold screen in a vacuum tank and an application method, and particularly relates to the technical field of mechanical engineering, the adjusting system for the gas helium cold screen in the vacuum tank comprises an outer cold screen body and an inner cold screen body, and the outer cold screen body is formed by combining three outer cold screen single bodies. Through cooperation of the multiple positioning mechanisms and the multiple inner supporting mechanisms, the inner cold screen body can be limited and fixed in multiple directions, the positioning mechanisms and the inner supporting mechanisms can be rapidly separated from the inner cold screen body subsequently, the mounting and dismounting difficulty and the workload are reduced, the assembling efficiency is improved, and the assembling cost is reduced. Meanwhile, a trigger piece of the control mechanism can complete supporting and limiting of the inner cooling screen body, the trigger piece can conduct active switching control over the conveying state of the control mechanism, locking of the positioning mechanism and opening control over the inner supporting mechanism are completed, the control difficulty is reduced, meanwhile, multi-directional debugging and installation of the inner cooling screen body are completed through the control mechanism, and the debugging efficiency is improved. And the mounting precision is improved.

The invention discloses a ball screw pair and a linear actuator, and belongs to the technical field of transmission structures, the ball screw pair comprises a nut, a screw rod and balls, a first spiral groove and a second spiral groove are matched to form a spiral raceway, a plurality of balls distributed in an extending mode are arranged in the raceway, the axial length of the nut is larger than that of a transmission part, and the screw rod is arranged in the screw rod. A groove is formed in the peripheral face of the transmission part, a return block is embedded in the groove, a part of the second spiral groove is formed in the outer side surface of the return block, a return channel communicated with the roller path is arranged between the inner side of the return block and the transmission part, and the balls moving to one end of the roller path return to the other end of the roller path through the return channel. The linear actuator adopts the ball screw pair. The balls complete circulation in the transmission part, a return structure does not need to be arranged on the nut, the structure of the nut can be simplified, the appearance of the nut is kept regular, and the balls cannot fall out of the roller path.

The invention discloses a novel compressor integrated structure, which belongs to the technical field of vehicle thermal management systems, and comprises a compressor, the compressor is provided with a compressor suction cavity, a compressor exhaust cavity and a compressor cylinder body, the novel compressor integrated structure further comprises a chiller and / or a water-cooled condenser, the compressor suction cavity is connected with the chiller, and the compressor exhaust cavity is connected with the water-cooled condenser; due to the fact that the water-cooling condenser, the chiller and the compressor are integrated, and meanwhile the liquid storage channel, the refrigerant channel, all the valves, the sensor and the compressor are integrated, the number of parts is reduced, and the assembling workload is reduced; and all refrigerant loop components are directly mounted on the compressor cylinder body, and the refrigerant loop and the compressor cylinder body are integrated, so that the internal volume of a loop system of related refrigerants is greatly reduced, and the refrigerant filling amount of the system is reduced.

The utility model provides a one-step pressing type optical fiber cutting knife based on an elastic blade sliding block structure. Comprising an elastic blade sliding block, a deflector rod pressing arm, a warping plate and the like. On the basis of the design of an existing one-step pressing type optical fiber cutting knife, the elastic blade structure sliding block is adopted, the shifting rod pressing arm structure is improved, the warping plate structure is adopted to lock and release the sliding block, the requirements of the one-step pressing type optical fiber cutting knife for the precision and strength of structural parts are lowered, the locking and releasing structure is optimized, parts are reduced, and the cost is reduced. The all-plastic structural member can also meet the technical requirements of the one-step pressing type optical fiber cutting knife, so that the cost of one-step pressing type optical fiber cutting is reduced, and market popularization is facilitated.

The invention relates to the technical field of gas proportional valves, in particular to an integrated gas proportional valve with a segmented valve. A gas inlet connector is arranged in a gas inlet groove of the valve body, a gas flowing groove is formed in the valve body, a first through opening is formed between the gas inlet groove and the gas flowing groove, a first stop valve is arranged at the bottom of the valve body and located below the first through opening, and a first gas bin is formed in the valve body. A first sealing cover is arranged between the first gas bin and the gas flowing groove and located above the first through opening, and a first adjusting valve is further arranged at the bottom of the valve body and located on the side, away from the gas inlet connector, of the first stop valve. Due to the adoption of the integrated design, the number and complexity of parts are reduced, a plurality of functional parts are integrated on one valve body, the purchase cost of raw materials is reduced, the production and processing cost is reduced, meanwhile, the transportation and storage cost is also reduced through the integrated design, and due to the fact that the overall size is smaller, the transportation cost and energy consumption can be reduced in the transportation process.

The invention belongs to the field of aero-engines, and particularly relates to a flame tube double-layer wall face injection structure and an aero-gas turbine engine, the flame tube double-layer wall face injection structure comprises a flame tube, the flame tube comprises a gas inlet end and a gas outlet end, a fuel cavity is formed in the tube wall of the flame tube in a surrounding mode, and the fuel cavity is connected with a fuel inlet pipeline; a plurality of premixing pipes are further arranged on the wall face in a surrounding mode, the premixing pipes are located in the fuel cavity, fuel nozzles are formed in the premixing pipes, and fuel in the fuel cavity enters the premixing pipes through the fuel nozzles; one end of the premixing pipe is an air inlet, and the other end of the premixing pipe is a micro-premixing outlet; the air inlet penetrates through the outer layer wall of the flame tube, and the micro-premixing outlet penetrates through the wall face of the flame tube. The premixing section is arranged on the side wall of the flame tube, so that the size and the weight of the whole engine are reduced, and the combustor is more suitable for an aero-engine.

The present invention provides an aircraft carbon fiber composite bulkhead, which relates to the technical field of aircraft structure design. The bulkhead is an integral structure; the bulkhead includes a Z-shaped structure arranged at both ends thereof; the bulkhead includes a plurality of carbon fiber plies, and the ply angles of adjacent carbon fiber plies are different. The aircraft carbon fiber composite bulkhead provided by the present invention uses carbon fiber composite materials as materials, utilizes the excellent mechanical properties of carbon fiber composite materials, and combines the anisotropic characteristics of carbon fiber composite materials to reasonably arrange the ply angles of carbon fiber plies, and designs the bulkhead as an integral structure. On the basis of ensuring mechanical properties, the number of fasteners used is reduced, the assembly workload is reduced, the assembly difficulty is reduced, and the assembly precision and assembly efficiency are improved, thereby improving product quality.

The utility model relates to the technical field of nuclear power stations, in particular to an anti-deformation bracket for nuclear power station containment transportation. The nuclear power station containment transportation anti-deformation bracket comprises a truss and a supporting cushion frame. The truss comprises a plurality of main frame bodies, and the plurality of main frame bodies are sequentially connected end to end to form a main frame; the plurality of supporting pad frames are arranged at intervals, and are sequentially connected through the main frame; in every two adjacent main frame bodies, a first lifting lug is arranged on one main frame body, a second lifting lug is arranged on the other main frame body, the first lifting lug and the second lifting lug are connected through a first pin shaft after being matched, one of the first lifting lug and the second lifting lug is a single-side lifting lug, and the other one of the first lifting lug and the second lifting lug is a double-side lifting lug. The utility model provides an anti-deformation bracket for transportation of a containment vessel of a nuclear power station, which is used for preventing the containment vessel from being deformed in the transportation process.

The utility model discloses a front face structure for a vehicle and a mining dump truck. The front face structure comprises a framework, a mesh panel, a hinge assembly and a lock assembly. The framework is formed by splicing and welding a plurality of steel pipes; the mesh panel covers the framework, the geometric outline of the mesh panel is the same as that of the framework, and the mesh panel and the framework form an integrated front face main body; the hinge assembly is installed at the bottom of the front face body and fixed to a frame through a connecting piece, on one hand, the front face body is supported by the hinge assembly, and the other face of the front face body can turn over up and down around a hinge point in the hinge assembly. The lock assembly is installed on the top of the front face body and used for opening and closing the front face body. The problems that the front face is inconvenient to disassemble and assemble and defects are caused by repeated disassembly and assembly are solved through a lock hinge fixing mode; the front face of the whole vehicle is designed into a whole, so that the problems of non-uniform and inconsistent gaps after the front face is spliced and the like are solved; a large-area mesh plate is adopted as a surface skin to solve the problem that heat dissipation of heating parts in a vehicle body is difficult.

The utility model discloses a large-caliber firearm supporting shaft gap adjusting mechanism which is simple in structure, convenient to adjust and reliable in fixation. Comprising a sliding seat, a supporting shaft and a locking nut, a sliding seat hole is formed in the sliding seat, the supporting shaft is provided with a polished rod section and a threaded section, the polished rod section of the supporting shaft is in clearance fit with the interior of the sliding seat hole in the sliding seat, the locking nut is matched with the threaded section of the supporting shaft, and a gap is reserved between the locking nut and the sliding seat. A plurality of rectangular grooves are evenly formed in the outer end of the locking nut in the circumferential direction, a pin hole is formed in the threaded section of the supporting shaft in the radial direction, one end of the elastic pin is arranged in the pin hole in a matched mode, the other end of the elastic pin is inserted into one rectangular groove, and the circumferential position of the locking nut is locked through the elastic pin.

The present invention relates to the field of switch cabinet technology, and specifically to a switch cabinet air chamber based on the integration of the main switch circuit, which is wear-free and low-impedance, and includes an air chamber shell, the left side, right side and upper side of which are respectively sealed and fixedly installed with a reference flange, a second outer cone sleeve and a first outer cone sleeve, the right side of the air chamber shell is fixedly installed with a sealed pole and a grounded static contact, the upper end of the sealed pole is fixedly installed with an isolating three-way static contact and an isolating static contact, the isolating three-way static contact is penetrated by a screw rod, and one end of the screw rod is sleeved with an isolating moving contact; the left side of the reference flange is fixedly installed with an isolating switch mechanism and a circuit breaker mechanism, the isolating static contact is electrically connected to the first outer cone sleeve, the sealed pole is electrically connected to the second outer cone sleeve, and the outer side of the reference flange is grounded. Compared with the prior art, the structural design and assembly method of the air chamber are simplified, and the problems of high impedance, troublesome disassembly and maintenance, and switch refusal to move in the past are solved.

The invention relates to a solar module region (110) of a solar module (100), the solar module region (110) comprising an array of solar cells (101, 201) arranged in substring pairs (104) arranged in a column direction of the array. Wherein each substring (104) comprises a plurality of solar cells (101, 201) electrically connected in series along a column in which the substring (104) extends, each substring pair (104) comprises two substrings (104) extending along the column, in particular adjacent columns, and electrically connected in series, and wherein all substring pairs (104) are electrically connected in parallel, each substring pair (104) comprising positive and negative terminals (105), the negative and positive terminals (105) of each sub-string pair (104) are arranged adjacent in a terminal connection portion of the solar module region (110), in particular of the solar module (100), such that the terminals (105) of the sub-string pair (104) form a sequence of terminals (105) having a sequence of polarities along the column, and wherein the negative and positive terminals (105) of each sub-string pair (104) are arranged adjacent in the terminal connection portion of the solar module region (110), in particular of the solar module (100), in such a way that the terminals (105) of the sub-string pair (104) form a sequence of terminals (105) having a sequence of polarities along the column. Wherein the polarity sequence of the terminal (105) comprises at least two polarity changes of an adjacent terminal (105), characterized in that the polarity sequence of the terminal (105) comprises the following polarity sequences: positive, negative, negative, positive, positive, negative, or a reverse sequence. The invention also relates to a solar module (100) comprising such a solar module region (110) and to a photovoltaic system (111).

The invention discloses a heat pump water heater control method, device and system and a water heater, and belongs to the field of heat pump water heaters. The control method is applied to the static heating type heat pump water heater, and when the heat pump water heater operates stably, the outdoor environment temperature and the condensation temperature are obtained; based on the operation mode of the heat-pump water heater, the theoretical water temperature of the upper portion of a water tank of the heat-pump water heater is determined according to the outdoor environment temperature and the condensation temperature, and finally the heat-pump water heater is controlled based on the theoretical water temperature. According to the scheme, a sensor does not need to be arranged on the upper portion of the water tank of the heat pump water heater, the temperature can be obtained only according to the outdoor environment temperature and the condensation temperature, in the production design stage, the assembly workload of the water tank temperature sensing bulb can be reduced, production and product material cost is reduced, production time is shortened, and production efficiency is improved; and various fault problems caused by the influence of the water tank temperature sensing bulb assembly can be avoided after sale.

The utility model provides a kind of multi-channel high integration low-cost tile type transmitting assembly, including tile type shell, input interface, microstrip line located in tile type shell interior and input interface are sequentially connected, microwave composite multilayer board, two branch networks are connected on microwave composite multilayer board and with microstrip line output end connection, first drive power amplifier, second drive power amplifier are respectively connected with the two output ends of two branch networks, first eight branch networks are connected with the output end of first drive power amplifier, second eight branch networks are connected with the output end of second drive power amplifier, 16-way transmitting channel and radio frequency output port connected with transmitting channel output end are respectively connected with the output end of first eight branch networks, second eight branch networks, the number of radio frequency output port is 16.The utility model is X frequency band 16 channel tile type high integration, high reliability, high consistency and with power amplification, numerical control phase shift and output detection etc. The utility model discloses a kind of multi-channel high integration low-cost tile type transmitting assembly, including tile type shell, output interface, microstrip line located in tile type shell interior and output interface are sequentially connected, microwave composite multilayer board, two branch networks are connected on microwave composition multilayer board and with microstrip line output end connection, first drive power amplifier, second power amplifier are respectively connected with the two output ends of two branch networks, first eight branch networks is connected with the output end of first drive power amplifier, second eight branch networks is connected with the output end of second drive power amplifier, 16-way transmitting channel and radio frequency input port connected with transmitting channel output end are respectively connected with the output end of first eight branch networks and second eight branch networks, the number of radio frequency input port is 16.

The embodiment of the utility model provides an insulation protection assembly, a battery module, a battery pack and a power utilization device.The insulation protection assembly is applied to an electric connecting piece and comprises a straight piece and a bent piece, and the straight piece and the bent piece are each provided with a containing cavity allowing the electric connecting piece to penetrate through; the accommodating cavity of the straight piece is matched with or in interference fit with the straight area of the electric connecting piece, the accommodating cavity of the bending piece is at least partially matched with or in interference fit with the bending area of the electric connecting piece, the straight piece and / or the bending piece are / is provided with a clamping head, and the clamping head is used for being clamped with peripheral objects. According to the insulation protection assembly, the battery module, the battery pack and the electric device provided by the embodiment of the invention, the problem of insulation protection failure caused by abrasion of an insulation layer of a copper bar or an aluminum bar due to the fact that the copper bar or the aluminum bar is fixed on a peripheral object by adopting a ribbon can be at least solved.

The present invention discloses a coil and an assembly method. A coil includes a coil body, an upper end hoop, a lower end hoop and an inner support plate. The upper end hoop and the lower end hoop constitute a first axial tensioning structure, and the inner support plate is used to tension the inner circumference of the coil body and form a heat dissipation channel. An assembly method for the coil includes the following steps: the coil body is wound; the inner support plate is placed in the middle of the inner circumference of the coil body; the upper end hoop and the lower end hoop are respectively fixed to the upper end and the lower end of the coil body; wherein the upper end hoop and the lower end hoop are respectively provided with a second radial tensioning structure for tensioning the long side of the coil body. Based on this, both axial tensioning force and radial tensioning force are provided, and the inner support plate is cooperated to fully support the coil body, effectively solving the noise and temperature rise problems.

The utility model provides an assembled brushless rotary transformer, which overcomes the defects of higher structural complexity and higher processing and assembling difficulty of the conventional assembled brushless rotary transformer. Starting from the structure of the assembly type brushless rotary transformer, through the innovative design of the main shell, the rear cover, the screw ring and the assembly form, compared with a redundant structure of a traditional structure, the integrated structure of the main shell and the screw-free rear cover enables the overall structure of the rotary transformer to be simpler and more compact, the size is further reduced, and the structure is more compact. The overall assembly is simpler, the product integration degree is improved, the assembly difficulty and errors of products are greatly reduced, the assembly workload is reduced, the design precision is ensured, the assembly precision is improved, and therefore the product precision is improved.

The utility model discloses an adjustable wall-attached frame inner support device of a tower crane, which comprises cross-shaped supports arranged in four tower body standard knot main chord members, four end plates detachably connected to the outer ends of support rods of the cross-shaped supports, and wedge block structures detachably assembled on the end plates, the end plate and the wedge block structure jointly abut against the inner side of the standard knot main chord member, and the wedge block structure can be replaced into the matched shape and size based on the standard knot main chord member. According to the technical scheme, through the combination of the end plates and the different wedge blocks, the wall-attached frame can be installed at different heights of the standard knot, the situation that an attached wall cannot be installed due to the fact that the height of a building attachment point and the height of the wall-attached frame are inconsistent is avoided, meanwhile, the standard knot main chord members, the end plates and the wedge block structures do not need to be connected with the wall-attached frame, and the installation is convenient. The assembly workload can be reduced, the assembly difficulty is reduced, and the installation efficiency is improved.

The utility model discloses a quick-connection nozzle structure which comprises a frame and a quick-connection main body fixed on the frame, and the quick-connection main body comprises a connecting pipe body, a welding ring and a positioning ring; a first mounting cavity and a second mounting cavity are formed in the connecting pipe body, the diameter of the first mounting cavity is larger than that of the second mounting cavity, and the second mounting cavity is communicated with the nozzle of the connecting pipe body; the welding ring is positioned in the first mounting cavity and is welded and fixed; a plurality of elastic pieces bent towards the circle center of the welding ring are evenly arranged on the inner end face of the welding ring. The positioning ring is located at the joint of the first mounting cavity and the second mounting cavity, and the water pipe is positioned by abutting against the outer wall of the water pipe through the elastic piece and the positioning ring. The water pipe connector is reasonable in structural arrangement, when a water pipe is inserted, the elastic piece can be pushed away outwards, the elastic piece abuts against the outer wall of the water pipe under the reset effect and is matched with the positioning ring to position the water pipe, the convenience, stability and reliability of installation are improved, the sealing performance of connection can be guaranteed, and the water pipe connector is high in applicability and good in practicability.

This invention discloses a surface cleaning device, belonging to the technical field of cleaning equipment. It includes a body and a floor brush. The floor brush comprises a brush body with a suction port and a clean water tank for supplying liquid, mounted on the brush body. A cleaning component is detachably installed on the front side of the brush body, and the suction port is located at the rear of the cleaning component. A wastewater tank is provided on the body. The lower end of the body is pivotally connected to the rear of the brush body via a hinge assembly. The front end of the clean water tank extends forward and at least covers the cleaning component. The rear end of the clean water tank extends backward and at least partially bypasses the hinge assembly to connect with the brush body. At least a portion of the bottom wall of the clean water tank extends continuously and smoothly from left to right, penetrating the central axis of the brush. This design eliminates the need for a connecting pipe, allowing complete drainage of the liquid in the clean water tank, increasing its capacity while simplifying its internal structure.

The invention relates to the field of assembly tools, in particular to an assembly tool for a barrel structure of test equipment, which comprises a mounting platform, a moving assembly, a locking assembly and a fine adjustment assembly, the mounting platform comprises a lower fixing plate and an upper fixing plate, and the upper fixing plate is used for placing a tray; the moving assembly is used for driving the mounting platform to horizontally move in the direction close to or away from the power generation device. When the installation platform moves in the direction close to the power generation device, the locking assembly locks the position of the upper fixing plate. When the insertion end of the test equipment cylinder structure is not completely inserted into the insertion opening of the power generation device, the position of the upper fixing plate is unlocked, and the fine adjustment assembly is used for finely adjusting the position of the upper fixing plate when the installation platform continues to move, so that the insertion end of the test equipment cylinder structure is completely inserted into the insertion opening of the power generation device. In the assembling process, fine adjustment of the position of the test equipment cylinder structure can be achieved, so that the assembling efficiency of the test equipment cylinder structure is improved, and the assembling workload is reduced.

The invention discloses a ball screw pair and a linear actuator, and belongs to the technical field of transmission structures, the ball screw pair comprises a nut, a screw rod and balls arranged in a raceway, the axial length of the nut is larger than that of a transmission part, a return block is embedded in the peripheral surface of the transmission part, a return groove with the rotating direction opposite to that of the raceway is formed in the outer side of the return block, and the screw rod is arranged in the return groove. The roller path is divided into a plurality of single-circle closed circulation loops with spiral sections through the return grooves, and the balls move along the circulation loops so as to convert rotary motion of the nut into linear motion of the lead screw. The linear actuator comprises a casing, a stator module and the ball screw pair. The roller path is divided into a plurality of single-circle closed circulation loops with the spiral sections through the return grooves in the return blocks, the balls always move in the circulation loops, and the situation that the balls fall out of the roller path to affect the transmission stability of the structure is avoided.

The utility model discloses a diaphragm metering pump with a front cooling mechanism, which comprises a base and a case, the case is mounted at the top end of the base, a sealing cover is arranged at the front end of the case, a quantity adjusting screw is arranged on one side of the sealing cover, a connector is arranged at the top end of the case, and a motor is assembled at the top end of the connector. A rear pump head is installed on the left side of the base. According to the diaphragm metering pump with the front cooling mechanism, the front pipe, the refrigerator, the upper connecting pipe, the lower connecting pipe, the water outlet, the refrigerant inlet and the water inlet are arranged, the diaphragm metering pump is provided with the front cooling mechanism, it is ensured that water flow is cooled before entering the pump, and under the condition that high-temperature liquid needs to be treated, the refrigerant circularly flows through the refrigerator, so that the high-temperature liquid is treated; heat is effectively transferred, so that the water temperature is reduced, the abrasion of mechanical parts is reduced, the performance of the pump is improved, the service life of the pump is prolonged, and the problem that the mechanical parts in the pump are damaged by high temperature is solved.

This application provides a detachable positioning pin for power batteries, belonging to the field of new energy vehicle technology. The positioning pin includes a positioning post, a fixing bracket, and a connecting nut. The positioning post comprises multiple cylindrical segments of different diameters; the fixing bracket is detachably mounted on the positioning post and includes a U-shaped opening that mates with the cylindrical segments; the connecting nut is threadedly connected to the cylindrical segments. This positioning pin can be installed in just three steps: insertion, snapping, and tightening. Disassembly is performed in reverse. No complex tools or multiple people are required. Self-locking is achieved through a mechanical structure, reducing manpower and shortening assembly time. Simultaneously, the fixing bracket snaps into the positioning post through the U-shaped opening, and the two limiting flanges naturally conform to the two sides of the battery pack mounting point, forming a lateral constraint and preventing the fixing bracket from sliding or rotating along the battery pack surface. This ensures a rigid connection between the bracket and the battery pack mounting point, guaranteeing the axial perpendicularity and positional accuracy of the positioning post.

The invention relates to a force feedback actuator for a steering column of a vehicle, comprising a magnetorheological brake (1), the magnetorheological brake (1) having a shaft (2) arranged along an axis of rotation, and a rotor (4) and a stator (3) arranged around the shaft (2), a magnetorheological medium being arranged in a receiving space (5) formed between the stator (3) and the rotor (4), wherein the rotor (4) has at least a first and a second rotor half (4a, 4b) which are connected to one another in a forward connection.

The present disclosure relates to an endoscope (2) comprising: a proximal endoscope handle (4) or interface; an insertion cord (6) configured to be inserted into a body cavity of a patient; and a working channel (14). The endoscope handle (4) or interface comprises an aspiration valve (26) configured to control aspiration through the working channel (14) and having a valve closed state and a valve open state. The suction valve (26) includes a valve body (42) having a valve cartridge (44), an inlet (38) connected to the working passage (14), and an outlet (40) provided and configured to be connected to a suction device (P). The suction valve (26) comprises a valve stem (56) axially movable in the valve cartridge (44) at least between a first position in which the suction valve (26) is in a valve closed state and a second position in which the suction valve (26) is in a valve open state. The valve stem (56) includes a curved flow guide (78).

The invention discloses a novel thermal management system integrated structure, and belongs to the technical field of vehicle thermal management systems, the novel thermal management system integrated structure comprises a cooling integrated module, the cooling integrated module comprises a water jacket, a compressor integrated module is arranged in the water jacket, the cooling integrated module further comprises a water pump module, a sensor module and / or a valve module, the water pump module, the sensor module and / or the valve module are communicated through a cooling channel; the water pump module comprises a first water pump and / or a second water pump, the sensor module comprises a first sensor, a second sensor and / or a third sensor, and the valve module comprises a first water valve, a second water valve and / or a third water valve; compared with a traditional scheme that a compressor is separated from an integrated module, water cooling, chiller and the compressor are integrated, and meanwhile, a liquid storage channel, a refrigerant channel, all valves and a sensor are integrated with the compressor, so that the number of parts is reduced, and the assembly workload is reduced; therefore, the cost of the whole machine is reduced.

The invention relates to a drive unit (13) for an actuating device (1) of a brake system (2), comprising: a motor housing (14); an electric motor (22) arranged in the motor housing (14), a rotor (24) of the electric motor (22) being arranged in a rotationally fixed manner on a motor shaft (25) rotatably mounted in the motor housing (14); the motor shaft (25) is connected or can be connected to an actuator (3) of the actuating device (1), the planetary transmission (28) has a rotatably mounted planet carrier (30), and the planet carrier (30) has a support section (31) on which at least one planet gear (32) is rotatably mounted. According to the invention, the drive unit (13) has a support plate (36) arranged on the motor housing (14), by means of which the planet carrier (30) is supported on the side of the planet gear (32) facing away from the electric machine (22).

The utility model belongs to transformer manufacturing field relates to a single -column coil single -phase autotransformer oil tank insulating paper board assembly structure, and the fixed base with internal thread hole is welded on the oil tank lateral wall, and the insulating screw rod is screwed in the internal thread hole of fixed base, and the insulating screw rod end passes through the through -hole one on outer insulating paper board, and the bracing piece is long strip structure, and the waist hole corresponding with insulating screw rod is seted up on bracing piece, and the round silk hole is also seted up on bracing piece, and the insulating screw rod end is screwed in the round silk hole of bracing piece, and the insulating screw rod end passes through the through -hole two on middle layer insulating paper board, and the insulating nut is screwed on the insulating screw rod, and the through -hole three corresponding with insulating screw rod is seted up on inner layer insulating paper board, and the insulating screw rod end passes through the through -hole three on inner layer insulating paper board, and the insulating nut is screwed on the insulating screw rod. The utility model bracing piece adopts horizontal integral structure, and multilayer insulating paper board does not need to break, and the assembly workload is reduced.