23results about How to "Avoid direct action" patented technology

The utility model relates to a high stability temperature compensation quartz crystal oscillator, including the crystal base and the lower ceramic base of upper and lower stacking, the crystal base lower part has an upper recess, and the compensation chip is installed in this upper recess, the lower ceramic base upper part has a lower recess, and the quartz chip is installed in this lower recess, and the upper recess and the lower recess butt joint and splice to form an inner chamber, and the quartz chip includes quartz wafer, the quartz wafer is composed of fixed section wafer and turning section wafer, and one end of the fixed section wafer is provided with the bending turning section wafer. The utility model can reduce the difference between the temperature perceived by the compensation chip and the environmental temperature of the quartz wafer, provide accurate temperature compensation frequency, achieve the high stability of the frequency when temperature transient, and the quartz wafer with corner structure is designed, and under the double action of the corner structure and the partition through -hole, the stability of the quartz wafer work can be effectively improved.

This utility model discloses a support frame for safe production in coal mines, including two symmetrically arranged bases. Hydraulic supports are fixedly mounted on the upper surfaces of both bases, and a lifting plate is fixedly mounted between the upper ends of the hydraulic supports. A bearing plate is fixedly mounted on the upper surface of the lifting plate. Side guard plates are hinged to both sides of the bearing plate, and an arc-shaped buffer assembly connects the bottom surface of the side guard plates and the bottom surface of the bearing plate. A top guard plate is connected to the upper surface of the bearing plate via four sets of cross-shaped buffer mechanisms. This utility model effectively protects against falling rocks by hinged side guard plates on both sides of the bearing plate and the installation of arc-shaped buffer assemblies. The top guard plate is connected to the upper surface of the bearing plate via four sets of cross-shaped buffer mechanisms. The slider in the buffer mechanism can slide on the slide rod, and in conjunction with the springs on both sides, effectively absorbs and disperses the impact force when the top surface is impacted by falling rocks, preventing the impact force from directly acting on the support frame and preventing damage to the support frame due to excessive force.

The utility model discloses a driving system for a high-pressure hose roller, which comprises a vertically arranged driving motor, a speed reducer connected to the driving motor, a pinion connected to a horizontal output shaft of the speed reducer and a large gear ring meshed with the pinion, teeth are arranged on the inner ring of the large gear ring, and the periphery of the large gear ring is fixedly connected with the roller. A high-pressure hose is wound on the roller, an eccentric disc is further arranged on the speed reducer, the inner circle of the eccentric disc is connected to the speed reducer through a plurality of mounting holes in the periphery, and the outer circle of the eccentric disc is connected to the roller base through a plurality of mounting holes in the periphery. The center of the inner circle rotates around the center of the outer circle, so that the center distance between the small gear and the large gear ring is adjusted to be within a designed range to achieve normal meshing. By arranging the eccentric disc, the center distance of the gear set can be adjusted, the assembly precision is improved, the meshing smoothness of the gear set is ensured, and the service life of equipment is prolonged.

This utility model relates to an anti-loosening device for a high-voltage bushing end screen, comprising an outer casing, a bushing end screen unit, a conductive rod, an anti-loosening unit, and a top cover. The bushing end screen unit, conductive rod, and anti-loosening unit are all installed within the outer casing. The bushing end screen unit is connected to the anti-loosening unit via the conductive rod. The top cover is installed on the outer casing, and the anti-loosening unit is installed on a fixed cover. This utility model forms an elastic pre-tightening system between the outer casing end screen unit, the conductive rod, and the anti-loosening unit. The conductive rod transmits the vibration of the bushing end screen unit, and the anti-loosening unit dynamically adapts to changes in the displacement of the conductive rod, ensuring good contact between the three components.

The utility model discloses a wide -width steel box girder transverse splicing component with reinforcing structure, including steel box girder unit, the steel box girder unit front end upper and lower both sides are all seted up with first slot, the steel box girder unit rear end is provided with the first plug piece corresponding with first slot, the steel box girder unit front end is provided with reinforcing cladding hoop, the reinforcing cladding hoop includes reinforcing left half hoop and reinforcing right half hoop. In this scheme, the reinforcing left half hoop and reinforcing right half hoop of steel box girder unit front end setting are just surrounded with the first slot and the insertion of the insertion strip and insert the reinforcing cladding hoop, and the steel box girder unit splicing place of two adjacent sections is clamped, and the integrated reinforcing frame is formed, and the frame is rigidly connected with the steel box girder unit through the first bolt and nut assembly, and the connection of reinforcing cladding hoop and steel box girder unit side wall is further reinforced by second bolt and nut assembly, and double fixed system is formed, and the local stress of splicing place is dispersed to whole reinforcing frame, and the overall stability and durability of steel box girder are improved significantly.

The present application relates to the technical field of automobile accessory production, and specifically discloses a product production online monitoring system using in-mold monitoring vision, which comprises a box, first and second sliding grooves are formed in the outer walls of the two sides of the box, a first mounting plate and a second mounting plate are respectively slidably installed in the two first and second sliding grooves, a monitoring display and a keyboard are respectively installed on the top of the first and second mounting plates, a base is installed on the inner bottom surface of the box, a main machine is installed in the box through a mounting mechanism, and a protection mechanism is arranged on the front face of the box. In the present application, the first and second protection plates are arranged to protect the monitoring display and other equipment in the box when they are not in use, so that the monitoring display and other equipment are prevented from being damaged by other equipment in the processing workshop and the normal use of the monitoring display and other equipment is not affected. In addition, the protection plates can ensure the safety of workers when the monitoring display is used.

The application provides a continuous miner storage and transportation vehicle and a continuous mining system. The continuous miner storage and transportation vehicle comprises a support member, a scraper conveyor and a turnover member. The support member has a bearing part and a walking part for driving the bearing part to follow the walking of the miner. The scraper conveyor is arranged on the bearing part and is used for transferring the ore temporarily stored in the bearing part, i.e. the mined ore falls into the bearing part and is then transferred by the scraper conveyor. The whole process realizes continuous transportation of the ore and improves the mining efficiency of the continuous miner. The turnover member is arranged on the path of the ore falling from the bearing part to the scraper conveyor. The turnover member has a plurality of turnover parts arranged at intervals and a driving part for driving the turnover parts to turn. The driving part drives the turnover parts to rotate and changes the gap between adjacent turnover parts, so as to control the amount of ore falling from the bearing space to the scraper conveyor and prevent the ore gravity from directly pressing on the scraper conveyor, thereby preventing the technical problem that the scraper conveyor cannot be started.

The utility model relates to the technical field of winding pipes, in particular to a buried double-high-rib reinforced polyethylene (HDPE) winding pipe. The high rib comprises a first high rib body and a second high rib body, a connecting piece is arranged between the first high rib body and the second high rib body, the two sides of the connecting piece are fixedly connected with the first high rib body and the second high rib body respectively, and the first high rib body and the second high rib body are hollow. The first high rib is composed of a first inner side, a second outer side, a first top side and a first bottom side, and the second high rib is composed of a second inner side, a second outer side, a second top side and a second bottom side. According to the double-high-rib reinforced polyethylene HDPE winding pipe, unnecessary structures are reduced, the overall weight of the double-high-rib reinforced polyethylene HDPE winding pipe is reduced, the overall double-high-rib reinforced polyethylene HDPE winding pipe can be firmer through the connecting pieces, the first inner side and the second inner side are both arranged in an inclined mode, bottom stress can be reduced, and the service life of the double-high-rib reinforced polyethylene HDPE winding pipe is prolonged. Therefore, the firmness of the double-high-rib reinforced HDPE winding pipe is enhanced.

The utility model discloses a fixing structure for an oil suction filter, which belongs to the technical field of hydraulic pressure and comprises a connecting plate, the connecting plate is detachably connected to the outer wall of an oil tank, a quick-release connector is arranged on the upper portion of the connecting plate, the oil suction filter is connected to the upper portion of the quick-release connector, and a limiting supporting mechanism is arranged on the outer side of the oil tank. The limiting and supporting mechanism is used for limiting and supporting the oil suction filter, and the phenomenon that the filter is directly screwed on an oil tank, and under the working condition of frequent vibration or large load fluctuation, looseness and even oil leakage are easily caused by fretting wear of a thread pair or loss of pre-tightening force can be avoided.

The utility model provides a variable load type phase advancer with a buffer structure, which comprises a phase advancer, the side surface of the phase advancer is rotatably connected with a movable door, the side surface of the phase advancer is provided with a protection assembly, the protection assembly comprises a connecting pipe, one end of the connecting pipe penetrates through the side surface of the phase advancer, and a wire penetrates through the side surface of the connecting pipe. The side face of the phase advancer is rotationally connected with a rotating rod, the circumferential face of the rotating rod is fixedly connected with a protective cover, the end, away from the phase advancer, of the rotating rod is fixedly connected with a gear, the side face of the phase advancer is fixedly connected with a transverse plate, the bottom of the transverse plate is slidably connected with a rack, and the side face of the phase advancer is fixedly connected with a rectangular rod. An electric telescopic rod is fixedly connected to the side face of the rectangular rod, one end of the electric telescopic rod is fixedly connected to the side face of a rack, the rack is meshed with a gear, a protective cover is located above the connecting pipe and the electric wire, a switch is arranged at the top of the electric telescopic rod, and the connecting pipe and the electric wire can be covered through the design of the protective cover.

The utility model provides a three-way ball valve, which relates to the technical field of ball valves, and comprises a three-way valve body, three ends of the three-way valve body are respectively welded with an internal thread bushing, the inner wall of the three-way valve body is rotatably provided with a valve rod, one end of the valve rod is fixedly provided with a hand wheel, and the outer surface of the hand wheel is provided with a limiting device. According to the hand wheel fixing device, the disc abuts against the bottom of the hand wheel, the hand wheel can be fixed through friction force between the disc and the hand wheel, meanwhile, the outer surface of the hand wheel can be shielded through the disc, and the hand wheel can be fixed through the limiting device; and even if the hand wheel is subjected to the external force, the hand wheel is fixed through the disc, the situation that the hand wheel is prone to rotating, and consequently the on-off and flowing conditions of fluid in the three-way ball valve are changed can be prevented, and normal use of the three-way ball valve is more convenient.

The utility model provides a kind of battery box with anti-collision beam, it is related to power battery storage technical field, including power battery box, the bottom of the power battery box is fixedly installed with anti-collision component, the anti-collision component includes anti-collision bottom plate, the top of the anti-collision bottom plate is fixedly connected with three buffer supports, the top of the buffer support left and right sides is rotatably hinged with connecting frame.The utility model has realized the effective buffering of bottom impact, its principle is when anti-collision bottom plate is extruded, it will push trapezoidal top plate to slide upwards, the sliding of limit sliding block in limit sliding groove limits the sliding range of trapezoidal top plate, trapezoidal top plate is slidably matched with inclined sliding groove, pushes two trapezoidal sliding blocks to slide along guide slide bar to left and right sides, and extrudes buffer spring, so as to disperse the impact force upwards to both sides, avoids that impact force is directly applied to power battery box, effectively protects the safety of power battery box and internal battery pack.

The high-strength tundish cover comprises a main body, a plurality of fire-resistant sleeves and a plurality of connecting parts, a plurality of working holes are formed in the main body, a first side face and a second side face of the main body are arc-shaped, and the protruding direction of the first side face is consistent with the sinking direction of the second side face; each fireproof sleeve comprises a sleeve, an upper shielding part and a lower shielding part, each sleeve is arranged in the corresponding working hole, each upper shielding part is arranged at the top end of the corresponding sleeve and makes contact with the first side face, and each lower shielding part is arranged at the bottom end of the corresponding sleeve and makes contact with the second side face; the plurality of connecting parts are respectively connected with the main body, and the normal on the joint of the main body and each connecting part is parallel to the connecting part; wherein the connecting parts are attached to the tundish, and the second side faces face the tundish. The high-strength tundish cover has high strength, deformation and warping of the tundish cover can be reduced in the working process, and the service life of the tundish cover is prolonged.

This utility model discloses a plastic-coated steel pipe bend joint suitable for low-temperature conditions, comprising a bend section and straight pipe sections welded to both ends, forming a bend structure. It also includes: a stress buffer device comprising a corrugated compensator welded to the junction of the bend section and the straight pipe section, and a flow-damping orifice plate connected to the other end face of the corrugated compensator; and a damping sliding pair comprising a damping sliding tube fixed to the outer wall of the flow-damping orifice plate and a fixed damping kit fitted into the inner wall of the straight pipe section. The end face of the corrugated compensator connected to the flow-damping orifice plate is a free end that slides axially along the straight pipe section, and the damping sliding tube and the fixed damping kit achieve a sliding seal through an elastic seal. This utility model uses the sealing gas, the elastic material in the corrugated compensator, and the friction generated by the relative sliding of the damping sliding tube and the fixed damping kit to jointly counteract the pressure caused by frost heave, making the joint fully adaptable to low-temperature conditions.

This utility model discloses a radiator mounting mechanism, comprising: a support positioning platform for positioning the radiator module and a snap-fit ​​assembly mechanism for installing snap-fit ​​rings. The snap-fit ​​assembly mechanism includes a first support frame, a lifting seat mounted on the first support frame and suspended above the support positioning platform, at least one base plate horizontally mounted on the lifting seat, a stacking plate vertically mounted on the lifting seat for stacking snap-fit ​​rings, a pusher plate slidably mounted on the base plate for pushing the snap-fit ​​rings at the lower end of the stacking plate, a first cylinder mounted at one end of the base plate for driving the pusher plate, and a second cylinder mounted on the first support frame for driving the lifting seat. The support positioning platform positions the radiator module below the snap-fit ​​assembly mechanism. The snap-fit ​​assembly mechanism descends and presses against the radiator module. Multiple first cylinders push the pusher plate to simultaneously snap multiple snap-fit ​​rings onto the radiator module, completing the assembly of the radiator module.

A method for synchronous control of a servo motor and its model includes the following steps: Displaying a three-dimensional servo motor model, a parameter input window, and a feedback display window in a graphical user interface; responding to the selection of at least one three-dimensional servo motor model, the selection of target parameters for the three-dimensional servo motor model, and servo motor spatial displacement parameters, the three-dimensional servo motor model performs transformations according to the target parameters and spatial displacement parameters, displaying a pre-simulated attitude. The servo motor receives a control command data frame including target parameters and a target servo motor number; the servo motor responds to the control command data frame within a preset time and completes the action within the same control cycle. Responding to the actual parameter information and corresponding time when the servo motor performs the action, a dynamic curve of the actual parameters changing over time is displayed in the feedback display window. Receiving the actual parameter information fed back by the servo motor upon completion of the action, the three-dimensional servo motor model responds to the actual parameters and performs the corresponding action, making the attitude of the three-dimensional servo motor model consistent with that of the servo motor.

The utility model relates to the technical field of wiring harness connector, especially to a wiring harness connector of distribution control equipment, including socket and plug, the plug can be inserted in the right -hand tip of socket, the top and bottom of socket right -hand tip all are all seted up with the board groove, all are fixedly installed with the clamping plate in two board grooves, the top and bottom of plug left side all are fixedly installed with the plug -in board of cross section is concave character shape, two plug -in boards can be inserted into two board grooves of socket right -hand tip and with corresponding clamping plate and carry out the clamping, the outer wall of socket is fixedly installed with the fixed ring, rotates and installs the rotating ring of setting on the socket in the fixed ring, both sides of rotating ring side wall all are seted up with two notches, the utility model discloses the extrusion of rotating ring to clamping plate makes it can stably with plug -in board clamping in board groove to socket and plug are inserted together firmly, and set up the anti -drag component in the right -hand tip of plug, can prevent data line when being pulled and cause the loosening of plug connection.

The utility model discloses a novel handrail for a road, and relates to the technical field of handrails. The handrail comprises a mounting frame, a control box, a handrail body, first mounting shafts, a hydraulic rod and second mounting shafts, a rotating seat is arranged in the mounting frame, the control box is arranged in the rotating seat, the first mounting shafts are arranged at the two ends of the control box, first torsional springs are connected to the outer sides of the first mounting shafts in a sleeved mode, and bearing seats are arranged in the control box; a second mounting shaft is rotatably mounted in the bearing seat, a guide wheel sleeves the outer wall of the second mounting shaft, a pull rope is wound on the outer wall of the guide wheel, a connecting block is arranged at one end of the pull rope, a second torsional spring sleeves the outer side of the second mounting shaft, and an electric hydraulic rod is arranged in the control box. By arranging the mounting shaft I supported by the torsion spring I on the control box, the problems that the handrail is easy to damage when impact force acts on the handrail, and the handrail cannot be used for stopping vehicles on a road during maintenance are solved.

The utility model discloses a kind of automobile sunroof guide rail profile correction shaping machine, it is related to the field of automobile manufacturing, including support, support top is fixedly connected with fixed seat symmetrically, fixed seat inside is provided with fixed pressure roller and dynamic pressure roller, the both ends of fixed pressure roller are respectively with the rotation connection of corresponding two sides inner wall of fixed seat, fixed seat inside is symmetrically slidably connected with movable seat, the both ends of dynamic pressure roller are respectively with the rotation connection of corresponding movable seat, the utility model is set by screw rod and hand wheel in fixed seat The lifting assembly of setting, and utilize the sliding cooperation of movable seat two sides slide strip and fixed seat inner slide groove, realize the accurate adjustment of the distance between dynamic pressure roller and fixed pressure roller, with the advantage of adapting multiple specifications profiles, can satisfy the correction demand of different model automobile sunroof guide rail profile, improve the versatility and use flexibility of equipment, reduce the trouble of needing to replace equipment or carry out complex adjustment due to profile specification difference.

The utility model relates to an automatic unhooking and hooking device for a vehicle, which comprises a regulation and control assembly, and the regulation and control assembly comprises a first mounting plate and a regulation and control switch connected to the first mounting plate; the device further comprises a back plate, a driving assembly and a moving assembly, wherein the driving assembly and the moving assembly are arranged on the back plate. The regulation and control switch is matched with the driving assembly; the device further comprises a traction assembly and a lock pin assembly, and the traction assembly and the lock pin assembly are matched through the movement assembly to achieve relative movement in the first direction. A gear of the movement assembly is matched with a first rack, so that when the traction assembly moves in the first direction, the gear is in meshing transmission with the first rack and a second rack, and the lock pin assembly moves in the opposite direction; under the guiding action of the guide rail, the movement tracks of the guide plate and the third mounting plate are restrained, the reverse movement precision of the traction assembly and the lock pin assembly is ensured, the limitation of the movement angle of a traditional traction arm is relieved, and the connecting device of the tractor and the trailer can be adjusted in a self-adaptive mode at any angle.

The utility model discloses a spring piece mobile phone antenna, which comprises a mobile phone antenna body, three spring pieces are arranged on the back of the mobile phone antenna body, the three spring pieces are respectively arranged at the front end, the middle end and the rear end of the mobile phone antenna body, and two conductive contact pieces are fixedly arranged above the middle part of the mobile phone antenna body. According to the mobile phone antenna, when the metal elastic piece deforms, the arched protruding part of the metal elastic piece can sink inwards after resisting a part of external force, and the sunken metal elastic piece abuts against the spiral spring. The compressed spiral spring has a certain elastic resilience force, so that the external force is partially counteracted through the compression resilience force of the spiral spring, the mobile phone antenna can be better buffered and protected, the impact effect of external force is reduced, the external force is prevented from directly acting on the mobile phone antenna, and the service life of the mobile phone antenna is prolonged.

The invention provides a plate bending machine and a control method thereof. The plate bending machine comprises a bending assembly and a limiting platform arranged on the front side of the bending assembly, and a limiting assembly is arranged on the limiting platform; the bending assembly comprises at least two symmetrically-arranged supporting plates, a bending piece arranged between the at least two supporting plates and first driving equipment for driving the bending piece to reciprocate in the height direction of the supporting plates. The bending block is positioned below the bending piece; the limiting assembly comprises at least two limiting sliding plates which are arranged on the bending block and can reciprocate in the length direction of the bending block. The two limiting blocks are symmetrically arranged on the limiting platform, and the second driving equipment is used for driving the two limiting blocks to move in the same direction or opposite directions in the length direction of the limiting platform. The device has the beneficial effects that through the two limiting sliding plates and the two limiting blocks, four-point limiting can be formed on a plate, the probability of position deviation of the plate in the placing and machining process is reduced, and therefore the machining precision of the plate is guaranteed.

This utility model discloses a multifunctional positioning fixture for machining mechanical parts, relating to the field of parts machining technology. It includes a clamping plate and a clamping assembly. The clamping assembly is placed inside the clamping plate and includes a transmission plate connected within the clamping plate. A clamping rod is connected to the transmission plate, and a groove is formed on the clamping rod. A sliding shaft is connected to the transmission plate and connected to the groove on the clamping rod. A transmission rod is connected to the bottom of the transmission plate, and a transmission block is provided on the transmission rod. A damper is connected to the transmission block, and a series plate is connected to the damper. A fixed rod is connected to the series plate, and a sliding frame is connected to the fixed rod. A circular block is connected to the bottom of the clamping plate, and the fixed rod is connected to the circular block at the bottom of the clamping plate. The transmission rod is connected to the clamping plate. When the device encounters vibration, the damper absorbs and disperses the vibration force, solving the problem of parts easily falling off in the prior art.