62results about How to "Reduce installation clearance" patented technology

The invention relates to an impact loading mechanism comprising two sets of bracket arms, two bracket arm splints, an installation barrel, a seal cover, two sets of thrust force bearings, two sets of movable loading cones, a threaded sleeve, a spline shaft, two flange splines, two loading arms, two rod end joint ball bearings, two support columns, two impact loading rods and a joint ball bearing.The impact loading mechanism can convert the torque of the load input end of the spline shaft into the thrust force of the movable loading cones and apply the thrust force of the movable loading cones to the impact loading rods, and the impact loading mechanism can directly apply the thrust force or pull force of the load input end of the spline shaft to the impact loading rods through the first loading arm. Because mobile blocks on the movable loading cones can be movable or static, the distance between two loading points on a single impact loading rod can change along with time or keep unchanged. Thus, the dynamic synchronous multi-point movement simulation impact loading of the impact loading rods can be realized, and random dynamic or static shearing force and torque can be obtained at the roots of the impact loading rods.

The invention discloses a belt subpackaging device which can effectively prevent the phenomenon that a carton box is stranded or falls in the conveying process, and therefore carton box conveying efficiency is greatly improved. The belt subpackaging device comprises a front roller conveying mechanism, a rear roller conveying mechanism and a subpackaging driving device, wherein the front roller conveying mechanism and the rear roller conveying mechanism are sequentially arranged on a machine frame, and the subpackaging driving device can drive the front roller conveying mechanism and the rear roller conveying mechanism to conduct conveying at different speeds. The front roller conveying mechanism and the rear roller conveying mechanism respectively comprise two driven rollers, wherein a plurality of unpowered rollers are arranged between the two driven rollers in parallel, driving rollers are arranged in positions, below the driven rollers and the unpowered rollers, of the machine frame, the driving rollers, the driven rollers and the unpowered rollers of the front roller conveying mechanism and the driving rollers, the driven rollers and the unpowered rollers of the rear roller conveying mechanism are provided with a front conveying belt and a rear conveying belt respectively. The height of the conveying plane of the front conveying belt and the height of the conveying plane of the rear conveying belt are equal, two adjacent driven rollers of the front roller conveying mechanism and the rear roller conveying mechanism are arranged in an adjacent mode. The belt subpackaging device is suitable for the field of carton box subpackaging conveying.

The invention discloses a floor knocking device. The floor knocking device comprises a fixed plate, an assembling plate, a hook plate and a knocking assembly, a first mounting groove extending in thefront and back direction is formed in the fixed plate, the assembling plate is movably mounted on the first mounting groove, a third mounting groove extending in the front and back direction is formedin the assembling plate, the hook plate is movably mounted in the third mounting groove, a second knocking groove is formed in the middle of the hook plate, a mounting hook is formed on the front endof the hook plate, and is suitable for hooking the side face of a floor, the knocking assembly is mounted on the assembling plate, and comprises a knocking hammer, and the knocking hammer is suitablefor knocking the rear side wall of the second knocking groove. According to the floor knocking device, the mounting gap between the floors can be reduced, the mounting hook can be well prevented frombeing damaged, in addition, the floor knocking device has the larger work range, reliability is high, and practicability is good.

The invention provides an adjustable curtain wall connecting member convenient to install. The adjustable curtain wall connecting member includes a plurality of groups of mounting frames installed atthe vertex angle position of each curtain wall wallboard and a connecting rod with one end connected to the mounting frames. The adjustable curtain wall connecting member also includes two groups of pressure discs and fixing bolts for fixing the pressure discs, wherein the two groups of pressure discs are buckled and used for clamping the connecting rod. The adjustable curtain wall connecting member has the advantages of being convenient to install and adjust. In the curtain wall mounting process, the adjustment of the mounting angle and mounting position of each wallboard can be facilitated,the overall curtain wall mounting efficiency is improved, mounting gaps and mounting stress between wallboards are reduced, and the curtain wall sealing performance and the attractiveness are improved.

The invention discloses a bearing and an installation method thereof. The bearing comprises a bearing body (1) and a bearing seat body (2); the bearing body (1) is arranged in an installation cavity (3) of the bearing seat body (2); when the bearing is installed, a clamp ring (4) is firstly sleeved at the end part of the bearing body (1), meanwhile a clamp foot (5) of the clamp ring (4) is just placed in an opening (6) of the installation cavity (3), and then the clamp ring (4) is rotated to screw the clamp foot (5) of the clamp ring (4) in a slot (7) through a clamping part (8) on the slot to be locked. Furthermore, a groove (10) on the bearing body (1) is matched with a convex key (9) on the bearing seat body (2) to fix the bearing body (1), so as to stop the bearing body rotating with a shaft in the same direction. The invention has the advantages that the bearing has a simple structure, and is convenient for installation; parts cannot be damaged in a disassembling process; in addition, the bearing has a stable and firm structure and small installation gap; the possibility of vibration when the bearing operates is small, thereby the noise caused by vibration during operation ofthe bearing is improved.

The invention discloses a floor mounting tool, equipment and method. The floor mounting tool comprises a hook assembly and a knocking assembly, wherein the hook assembly comprises a hook capable of being embedded into a floor clamping groove; the knocking assembly is located above the hook assembly and comprises a knocking piece and a knocking driving piece; the knocking piece is located on the side, away from a to-be-laid floor, of the hook; the knocking driving piece is connected with the knocking piece; when the hook assembly drives the to-be-laid floor to be overturned to the preset anglerange, the knocking driving piece drives the knocking piece to knock the hook; and the hook can be embedded into the floor clamping groove and drives the to-be-laid floor to be overturned to the preset angle after abutting against the laid floor, the knocking driving piece drives the knocking piece to apply knocking force to the hook, mounting resistance can be eliminated, reliable mounting between two floors is guaranteed, the mounting gap is smaller, and the combination effect is better. According to the floor mounting tool, long-edge mounting of the floors can be achieved, the knocking force can be provided during mounting, and the mounting success rate of the floors can be remarkably increased.

The invention provides a dual-seal socket and spigot type flexible connection structure for large-diameter spiral welded steel pipes. Two spiral welded steel pipes socketed with each other include a spiral welded spigot pipe and a spiral welded socket pipe; two parallel annular grooves are formed in a connecting end of the spiral welded spigot pipe by a groove pressing machine; a connecting end of the spiral welded socket pipe is expanded and formed by an expanding die; two special-shaped seal rings are put into the annular grooves, the outer diameters of the special-shaped seal rings after installation are greater than the outer diameter of the spiral welded spigot pipe, and the spiral welded spigot pipe and the spiral welded socket pipe are connected in an insertion manner by a special tool or tooling. The dual-seal socket and spigot type flexible connection structure for the large-diameter spiral welded steel pipes solves a thermal expansion and cold contraction problem of rigid connection and is quick to mount, convenient, good in seal property and reliable; if slight displacement between the two pipes occurs, seal pressures are same and leakage cannot be caused.

The invention provides a power module of a SIC electric automobile. The power module comprises a SIC MOSFET device, a radiator, a low-inductance busbar, a capacitor core group, a driver, a sensor anda hydroelectric terminal; the power module is sequentially provided with the radiator, the SIC MOSFET device, the driver and the capacitor core group from bottom to top; the capacitor core group is electrically connected with the SIC MOSFET device and is arranged above the SIC MOSFET device; the driver is installed and fixed on an auxiliary terminal of the SIC MOSFET device through welding; and each component of the power module is formed by integrally packaging and filling through an epoxy resin three-layer filling and sealing technology, and a metal shell is not needed. According to the power module, a motor control unit (MCU) is detached and separated, and the motor control unit and the power module can be installed together to serve as a complete automobile controller according to therequirements of a vehicle factory in an application, and the function of the motor control unit can be integrated into a vehicle control unit (VCU) by the vehicle factory and the power module is onlyused as an execution part for use by the vehicle factory.

The invention discloses a radio frequency coaxial electrical connector, which comprises a plug (1), a socket (2) and an unlocking toothed disk (17), wherein axial second racks (170) are arranged on the unlocking toothed disk (17); the socket (2) comprises a socket outer conductor (21); axial first racks (210) are arranged on the outer wall of the socket outer conductor (21); the plug (1) comprisesa plug shell (15), a plug outer conductor (13), a tooth ring (11), a plug spring (12) and a steel ball (14); convex blocks (150) inwards protruding in a radial direction are arranged at the top of the inner wall of the plug shell (15); first insertion slots (158) and second insertion slots (159) which are disposed in a spacing manner are formed between the convex blocks (150); the first insertionslots (158) are used for, in a locking process, enabling the first racks (210) of the socket outer conductor (21) to be inserted into teeth (110) of the tooth ring from top to bottom and then are transferred into the second insertion slots (159); and the second insertion slots (159) are used for, in an unloading process, enabling the second racks (170) of the unlocking toothed disk (17) to be inserted into the teeth (110) of the tooth ring from top to bottom and then are transferred into the first insertion slots (158).

The invention provides a motor installing structure of a motorized spindle for grinding a railway bearing. According to the motor installing structure of the motorized spindle for grinding the railway bearing, an installing gap between the spindle and a sleeve is made to be small, the calorific value of a motor which is used is small, power conversion rate of the motor is high, and energy is saved. The motor installing structure of the motorized spindle for grinding the railway bearing comprises the spindle, the sleeve and the motor. The spindle is supported inside the sleeve through a front bearing pedestal and a rear bearing pedestal, a motor installation cavity is formed in the tail portion between the spindle and the sleeve, and the motor is arranged in the motor installation cavity. The motor installing structure of the motorized spindle for grinding the railway bearing is characterized in that the motor is a permanent magnet synchronous motor, the permanent magnet synchronous motor specifically comprises stators and rotors, the rotors are sleeved on the spindle, the outer annular surfaces of the rotors are covered by the stators, the outer shell bodies of the stators are embedded into the outer end annular face of the motor installation cavity, the tail portion of the spindle is provided with an encoder, and annular heat dissipation rings are arranged on the outer shell bodies of the stators.

The invention relates to a device for electrochemically machining inner-step small deep holes, which comprises a power supply, a drainage conducting device, a cathode member, and an electrolyte system. The device is characterized in that the cathode member is arranged in a prepared hole of a workpiece to be machined, a liquid inlet end of the cathode member is connected with the drainage conducting device, and a liquid outlet end of the cathode member is connected with a liquid outlet guide head. The electrolyte system is respectively communicated with the drainage conducting device and the liquid outlet guide head. An anode of the power supply is connected with the workpiece to be machined and a cathode of the power supply is connected with the drainage conducting device. The device for electrochemically machining inner-step small deep holes has the advantages of being capable of achieving efficient machining of inner-step small deep holes and meeting dimensional accuracy requirements of products, high in machining efficiency, and low in machining cost. The device for electrochemically machining inner-step small deep holes can replace machine work, improve production efficiency by 7 times and lower energy consumption to be one fifth of machine work. Compared with machine work, the cutter consumption is reduced by 80% and production cost is reduced by four fifths.

The invention discloses a seal connection combined laboratory. A bottom plate is included, and the left side and the right side of the bottom plate are fixedly connected with vertical plates. The rearside of the bottom plate is fixedly connected with a transverse plate. A supporting door plate is fixedly connected to the front face of the bottom plate. A seal door is movably arranged in the supporting door plate through a hinge. A top plate is arranged on the top of the bottom plate. The tops of the vertical plates, the transverse plate and the supporting door plate are fixedly connected withthe bottom of the top plate. An experiment cleaning mechanism is arranged on the inner side of the vertical plate on the right side. An experiment table is arranged on the inner side of the verticalplate on the left side. The front side of the left side of the bottom of the top plate is fixedly connected with an exhaust fan. The top of the bottom plate is fixedly connected with a supporting column, the top of the supporting column is provided with an installing adjusting mechanism, and purification lamps are fixedly connected to the front sides of the left side and the right side of the bottom of the top plate. The problems that existing laboratory construction installation is complex, time is wasted and complexity is caused during installation construction, and the installing efficiencyand seal performance are reduced are solved. The seal connection combined laboratory has the advantages that installation is convenient, and seal performance is good.

The invention relates to an elastic blade arranged on the top of a fan blade, a blade provided with the elastic blade, and a fan. The small elastic blade arranged on the top of the axial flow fan blade is used for reducing the installation interval between the axial flow fan blade and a machine case. The small blade is in the shape of a plate, the longitudinal section of the small blade is L-shaped, the small blade comprises a free section, a connecting section and a bent section, and the bent section faces the suction surface of the axial flow fan blade. By additionally arranging the small blade with certain elasticity on the top of the fan blade, the operation efficiency of the fan, blast capacity and wind pressure are improved due to the fact that the installation interval between the axial flow fan blade and the machine case is reduced. Furthermore, blade damage is avoided even when the small blade with certain elasticity or flexibility collides with or rubs against the machine case. Therefore, the small elastic blade arranged on the top of the axial flow fan blade has the advantage that the operation efficiency of the fan, blast capacity and wind pressure can be improved.

The invention relates to the technical field of education tools, and provides a multifunctional desk comprising a desk support. The desk support is provided with a fixed desk plate, a lifting desk hole and a detachable desk plate, wherein the lifting desk hole is matched with the fixed desk plate and can move up and down, and the detachable desk plate is matched with the fixed desk plate and is in inserted connection with the fixed desk plate. According to the multifunctional desk, books and files can be placed conveniently, the using state can be adjusted as needed to keep the desktop to be tidy, operation is simple, and use and popularization are convenient.

The invention discloses a waist nursing mattress. The waist nursing mattress comprises a mattress body, wherein a concave pit is formed in the mattress body; a mounting frame is arranged at the bottom of the concave pit; a thread hole is formed in the mounting frame; an adjustable waist support is arranged in the concave pit; the adjustable waist support comprises a square shell; the square shell is provided with a through hole and two square openings; one end of the square shell is movably connected with a waist supporting plate; the square shell is internally provided with a guide rail; the guide rail is provided with two slide blocks; a reed is arranged between the slide blocks; a first electric wire winder and a second electric wire winder are arranged on the two sides of the guide rail respectively; and the first electric wire winder and the second electric wire winder are connected with the slide blocks through pull wires. The waist nursing mattress has the advantages that the height of the waist support and the position of a supporting point of the waist support can be automatically adjusted; the requirements of different users can be met under the condition that the mattress is not replaced; and a mounting gap formed on the surface of the mattress body is relatively when the height of the waist support is reduced to the lowest point, the comfort is relatively high when human bodies lie down and the waist nursing mattress has the beneficial effect of firm structure.

The invention relates to the technical field of medical imaging, in particular to medical imaging equipment. The medical imaging equipment comprises a main magnet, a gradient coil, a shimming assembly and an elastic piece, the main magnet is provided with an installation hole penetrating through the two ends of the main magnet, the gradient coil is installed in the installation hole, the gradient coil is provided with a shimming hole extending in the axis direction of the gradient coil, and the shimming assembly is installed in the shimming hole; the elastic piece is located at the end of the shimming assembly, and at least one end of the shimming assembly is pressed in the shimming hole through the elastic piece. The equipment has the advantages that on one hand, the resilience force of the elastic piece can enable the shimming assembly to be tightly attached to the inner wall of the shimming hole, so that the installation gap between the shimming assembly and the shimming hole is reduced, excitation vibration of the shimming assembly in the shimming hole is avoided, and the imaging quality is improved; on the other hand, due to the arrangement of the elastic piece, operation is easy and convenient, the shimming assembly can be conveniently inserted and taken out, and the shimming assembly can be stably fixed.

The invention discloses an automatic visual detection device for a regulator. The automatic visual detection device for the regulator comprises a cabinet, a feeding mechanism and a discharging mechanism, wherein a bottom plate is horizontally arranged in the cabinet; a first detection station, a second detection station, a third detection station, a fourth detection station and a fifth detection station are arranged on the bottom plate; the first detection station comprises a feeding bracket; a feeding screw rod is horizontally arranged on the feeding bracket; a first motor is arranged at theend part of the feeding screw rod; a first light source is arranged on the bottom plate below a pneumatic claw; and a first camera is arranged below the first light source. According to the automaticvisual detection device for the regulator provided by the invention, automatic feeding and discharging of a product to be detected can be completed through the feeding mechanism and the discharging mechanism, and five parameters of characters, an annular groove, the hole diameter of a side hole, a chamfer and the hole diameter of an upper end hole of the product can be automatically detected through the five detection stations arranged in the cabinet; traditional manual detection is replaced, and the advantages of high detection efficiency and high accuracy are achieved; and meanwhile, the manual labor intensity and the production cost are also reduced, and the yield of products is ensured.

The invention relates to an assembly comprising a motor vehicle headlamp (1) and a device for mounting the headlamp on structural elements of the vehicle, wherein said headlamp comprises a housing body (2), the housing accommodates at least one light source and is adapted to be installed at least partially along an edge (7) of a fender (4) of the vehicle, characterized in that the mounting device comprises a connecting piece (8 ), the link pivots about an axis of rotation (9) fixed relative to a structural element of the vehicle constituted by the vehicle's technical front surface (6) supporting the vehicle's powertrain A cooling assembly of wherein the axis of rotation (9) is contained in a longitudinal plane of the vehicle and is positioned such that a collision along a stress line (F1) lying to one side of the axis of rotation (9) causes One edge (16) of the headlight rises above the adjacent edge (7) of the fender (4) on the other side of the axis of rotation (9), and the shape of the headlight (1) is defined by The axes of rotation (9) are determined and oriented so that the headlamp pivots about the axes of rotation (9) while remaining within a predetermined rotationally symmetrical surface (S) outside the contour of the adjacent fender (4) .

The invention discloses a ceiling fixing fastener comprising a cylindrical fastener body (1), a buckling cover (11) is arranged on one side of the fastener body (1), an annular groove (12) is formed in the other side, and a limiting annular block (2), a first guide block (31) and a second guide block (32) are further arranged on the fastener body (1); a first open groove (131), a second open groove (132) and a third open groove (133) are formed in the fastener body (1), abutting blocks (3) are arranged between every two adjacent open grooves; a clamping jaw is arranged in a middle through holeof the fastener body (1), and a discharging connecting rod (4) is arranged at one end of the clamping jaw. According to the ceiling fixing fastener in the invention, the abutting blocks and the clamping jaw are arranged, so that the outer side and the inner side of the buckling body are in full contact connection with the corresponding positions of a connecting part, disassembly and assembly areconvenient, installation gaps are reduced, and the connection stability is strong.

The invention discloses a multi-contact independent movement structure which comprises two first contacts and at least one second contact which are rotatably arranged on a rotating shaft structure through a first rotating shaft, and a contact sleeve structure is rotatably arranged between the two first contacts and the second contact through the first rotating shaft. The contact sleeve structure movably sleeves and surrounds the second contact and adjacently separates the two first contacts from the second contact, and a driving piece used for driving the contact sleeve structure to rotate is arranged between at least one first contact or second contact and the contact sleeve structure in a penetrating manner. Through the contact sleeve structure, the plurality of contacts can be ensured to keep verticality to the greatest extent without lateral deviation, the motion independence among the plurality of contacts is not influenced, and the total current-carrying area of the contacts is ensured after the plurality of contacts are adjacently separated by the contact sleeve structure, so that the current-carrying capacity of the moving contact assembly is improved, and the service life of the moving contact assembly is prolonged. And the use performance and the maximum rated current of the product are improved.

The invention discloses an industrial car axle structure, belongs to the technical field of cars and solves problems that existing industrial car axles are relatively long in size, the overall transmission accuracy is lowered and the like. The axle structure mainly comprises an inner hub, an outer hub, a coupling, bearings, a lock nut and a speed reducer, wherein the inner hub is hollow, and the coupling is located inside hollow space of the inner hub on the left side of a flange of the inner hub. The mounting clearance can be reduced while the connection relation is met, and the motion accuracy is increased; and the structure can be particularly applied to Mecanum wheels.