94results about How to "Realize self-locking function" patented technology

The invention relates to a self-locking clamp device for water meter detection and a using method thereof, and belongs to the technical field of water meter detection. The clamp assembly is placed on the conveying line belt, linearly moves along with the conveying line belt and is used for positioning the water meter and achieving clamping and self-locking. The clamping jaw assembly is installed below the robot and used for clamping the water meter and is matched with the clamp assembly to achieve clamping and unlocking of the water meter. The clamp assembly comprises a positioning bottom plate, a V-shaped block moving mechanism, a positioning block and a water meter bottom support mechanism, the V-shaped block moving mechanism and the positioning block achieve clamping and self-locking through an elastic buckle and a clamping groove structure, and the water meter bottom support mechanism converts the gravity of a water meter into clamping force through a wedge-shaped mechanism. Self-adaptive clamping of the water meter is achieved through the gravity of the water meter, the stability of the clamping force is guaranteed through a self-locking mechanism, unlocking of the clamping self-locking state of the water meter is achieved through a plug pin on the clamping jaw assembly, extra air cylinder or robot action is not needed, the detection efficiency is improved, and the equipment cost is reduced.

The invention provides a vibration measurement device for motor equipment, and relates to the field of vibration measurement, and the device comprises a main body support frame, and the left and right sides of the top of the main body support frame are provided with self-locking worm gears A; a mounting angle adjusting shaft is rotationally mounted on the inner side of the main body supporting frame; self-locking worms A are arranged on the left side and the right side of the mounting angle adjusting shaft; the self-locking worm A is matched and connected with the self-locking worm gear A; guide pieces are arranged on the left side and the right side of the main body supporting frame. A mounting angle adjusting part is arranged in the middle of the mounting angle adjusting shaft; the vibration testing device can test vibration of motor equipment at different installation angles and output angles, the universality and accuracy of the vibration testing result of the device are improved, and the problem that the vibration amplitude of the motor equipment is affected to a certain extent due to installation modes at different angles is solved. And a vibration measurement result obtained by only testing plane installation does not have universality.

The invention provides a cam bearing cap self-locking positioning clamp, a die casting machining device and a die casting. The cam bearing cap self-locking positioning clamp comprises a rack, a clamping table and two self-locking clamping mechanisms which are oppositely arranged. A clamping position is arranged on the clamping table and used for containing the cam bearing cover. Each self-locking clamping mechanism comprises a mounting seat, a driving assembly and a locking assembly; the locking assembly comprises a positioning ejector rod and a retainer; the positioning ejector rod and the retainer are elastically and slidably arranged on the mounting seat, and an included angle is formed between the sliding direction of the retainer and the sliding direction of the positioning ejector rod. According to the self-locking positioning clamp for the cam bearing cover, the arrival time that the second end of the retainer abuts against and clamps the positioning ejector rod can be coordinated by designing the stroke of the positioning ejector rod and the stroke of the push block, so that the positioning ejector rod cannot further slide, and the self-locking function is achieved; therefore, the risk that the cam bearing cover is deformed due to the fact that the cam bearing cover is directly subjected to large acting force can be effectively avoided, and the machining precision of the assembly hole is ensured.

The belt buckle comprises a connecting base and a buckle head, the buckle head is provided with an adjusting mechanism for adjusting the tightening state of a belt, and when the occlusal surface of a pressing roller of the adjusting mechanism directly faces a supporting piece, the distance between the occlusal surface of the pressing roller and a rotating shaft is gradually increased in the direction from the rotating shaft to the connecting base, so that after the belt is tightly pressed by the occlusal surface, the belt is tightened by the buckle head. When the tail end of the belt is pulled out of the buckle head, the compression roller can be driven to rotate towards the direction of extruding the belt, so that the extrusion force between the occlusal surface and the belt is increased, and the self-locking effect of the buckle head on the belt is realized.

The utility model relates to the technical field of portable power supply equipment, in particular to a self-locking battery compartment structure, which comprises a compartment body, a battery is mounted in the compartment body, a mounting groove is arranged on one side of the compartment body, a self-locking device is mounted in the mounting groove, and a groove cover covers the mounting groove. According to the self-locking device, the two lock catch assemblies are arranged in the installation groove, the first spring is arranged between the lock catch assemblies, under the elastic force effect of the first spring, the lock tongue can stretch out of the installation groove in the natural state, the lock tongue is locked in a clamping groove in equipment, and the self-locking function is achieved; a self-locking hook of a self-locking buckle installed in the buckle assembly hooks a first protrusion on the bottom face of an installation groove through the elastic force effect of a second spring, it is guaranteed that the left buckle and the right buckle do not slide under the accidental conditions that the left buckle and the right buckle fall off, the battery bin can be taken out only through one hand, the holding position does not need to be changed, the use efficiency is improved, and the experience feeling is better.

The invention relates to the technical field of optical fiber connectors, in particular to an optical fiber movable connector dustproof device with multiple seals, which is characterized in that a left base is fixedly mounted at the right end of a left connector, a right base is fixedly mounted at the left end of a right connector, a left fixing ring is fixedly mounted at the right end of the left base, and a right fixing ring is fixedly mounted at the right end of the right base; a left fixing ring is fixedly installed at the left end of the right base, two left partition blocks are evenly and fixedly installed at the outer end of the left fixing ring, sealing shells are installed between the front sides and the rear sides of the two left partition blocks correspondingly, sealing plates are installed in the two sealing shells correspondingly, a right fixing ring is fixedly installed at the left end of the right base, and two right partition blocks are evenly and fixedly installed at the outer end of the right fixing ring. Plug-in mounting shells are mounted between the front sides and the rear sides of the two right partition blocks correspondingly, clamping and locking assemblies are arranged between the left connectors and the right connectors, and driving assemblies are arranged in the two left partition blocks correspondingly. And the positioning insertion rod can be quickly inserted into the positioning hole, so that the self-locking function of the connector is realized, and the two connectors are prevented from being separated.

The excavator hydraulic quick connector with the self-locking function comprises two symmetrically-arranged side plates, side bottom plates are welded to the bottoms of the opposite sides of the two side plates, a spring bolt shaft is fixedly installed between the two side bottom plates, a first connecting sleeve is rotationally connected to the surface of the spring bolt shaft, and a second connecting sleeve is rotationally connected to the surface of the first connecting sleeve. And spring bolt plates are fixedly connected to the two ends of one surface of the connecting sleeve correspondingly, and a spring bolt connecting shaft is arranged between the two spring bolt plates in a penetrating mode. During work, the hydraulic oil cylinder pulls the connecting rod through the second connecting sleeve, the connecting rod drives the connecting rod sliding shaft to slide by a specific stroke under the limitation of the sliding groove in the side bottom plate, and therefore the spring bolt plate is driven to stretch out of the clamping accessory, the process is irreversible due to the dead point effect of connecting rod transmission, and the connecting rod can only be pulled through the oil cylinder; thrust is applied to the spring bolt plate end, the connecting rod can drive the connecting rod sliding shaft to be clamped at the corresponding position of the sliding groove, and therefore the self-locking function is achieved.

The utility model provides a cover plate assembly of high-voltage test equipment, which belongs to the technical field of high-voltage cover plates and comprises a cover body, a lower embedded ring is embedded at the bottom of the cover body, a plurality of slots are arranged on the inner wall of the lower embedded ring, a cover bottom is inserted into the lower embedded ring from top to bottom, the top of the cover bottom is fixedly connected with a cover top, and a plurality of chutes are arranged on the inner wall of the cover bottom. A plug pin is slidably connected into each sliding groove, the plug pins are movably inserted into the corresponding insertion grooves, an expansion mechanism is arranged in the cover bottom, and the plug pins are pushed by the expansion mechanism to be movably inserted into the insertion grooves so as to fix the position of the cover bottom; the plug-in type structure provided by the scheme is firmer, the cover body, the lower embedded ring and the cover bottom form an integral structure, higher pressure and impact force can be borne, the fixing mode is simpler, the opening mode is more convenient, the direct plug-in type structure reduces abrasion to the sealing ring, cracks are reduced, and the service life is prolonged.

The invention discloses a double-helix digital oscillating cylinder applied to a deep sea manipulator, and belongs to the technical field of hydraulic cylinders. After the piston rod, the piston and the guide sleeve are sleeved with sealing pieces, the piston rod is installed in the cylinder body and then matched with the piston and the guide sleeve, the piston rod, the guide sleeve and the cylinder body are connected together through a threaded gland, and after hydraulic oil is input into the two cavities respectively, the guide sleeve and the piston rod can synchronously swing relative to the cylinder body to output the rotation angle and the rotation torque in a double-end mode. Or the guide sleeve and the piston rod are fixed to swing the cylinder body to output the rotation angle and the rotation torque. A built-in angle sensor is used for collecting angle signals, and the rotation angle of the swing cylinder is accurately controlled; an external pressure sensor is used for collecting pressure signals, and the purpose of accurately outputting torque is achieved by accurately controlling the pressure difference of the two cavities of the swing cylinder. The invention has the characteristics of good deep sea environment adaptability, high control precision, low processing difficulty, small damage to the sealing element, high production efficiency, long service life and the like.

The invention belongs to the technical field of display screen mounting, and particularly relates to a display screen hanging and supporting device which comprises a hoisting seat, a supporting pipe is fixed to the bottom end of the hoisting seat, a mounting frame is arranged on one side of the supporting pipe, a display screen body is mounted on the side, away from the supporting pipe, of the mounting frame, and a screw is rotationally connected into the supporting pipe. A sliding sleeve is slidably connected into the supporting pipe, a connector is fixed to the end of the sliding sleeve, a butt joint block is fixed to the end of the mounting frame, a rotating head is fixed to the side, away from the mounting frame, of the butt joint block, a plurality of second teeth are fixed to the lower portion of the rotating head at equal intervals, and a plurality of first teeth are fixed to the side, close to the mounting frame, of the supporting pipe at equal intervals. The rotating head rotates outside the connector to enable the mounting frame to drive the display screen body to adjust the angle, the display screen body can be more convenient for pedestrians to watch after the angle is adjusted, meanwhile, the clamping frame and the clamping groove are separated during rotation and clamped during rising, the self-locking function is achieved, and the display screen body can be more stable in the rising process.

The invention relates to the technical field of round steel forging, and discloses an efficient round steel forging die which comprises a workbench, an equipment support and a forging bottom die are installed on the workbench, a forging impact hammer is arranged over the forging bottom die in a hoisting mode, a supporting frame is arranged at the bottom of the workbench, and a protective cover installed on the workbench is arranged on the periphery of the forging bottom die. A self-centering clamp mechanism is arranged between the protective cover and the forging bottom die, a first stepping motor fixed to the workbench is connected with the self-centering clamp mechanism in a power transmission mode, installation supporting arms are arranged on the left side and the right side of the top of the equipment support, and the front ends of the installation supporting arms are jointly and fixedly connected with an intermittent folding and unfolding rotating mechanism. Compared with the prior art, the device has the beneficial effects that round steel can be clamped and fixed to the dead center position of the forging bottom die, and operation is convenient and fast; the falling height of the forging impact hammer can be conveniently controlled, so that the forging force can be controlled; and the forged mold can be automatically demolded through the self-locking jacking mechanism, the self-locking function is achieved, and the safety during demolding is improved.

The utility model relates to an electric car coupler pushing mechanism and a train, the electric car coupler pushing mechanism comprises a pushing support, a first supporting arm, a second supporting arm, a first connecting rod, a second connecting rod, a first connecting rod and a second connecting rod, the rotating shaft is rotationally mounted between the two supporting arms; one end of the rotating arm is connected to the rotating shaft; the rotating arm can move into the relative space of the first supporting arm and the second supporting arm. The supporting rod is connected with the electric coupler and the rotating arm; wherein the rotating shaft can rotate in the first supporting arm and the second supporting arm, so that the rotating arm rotates along with the rotating shaft, the supporting rod drives the electric coupler to horizontally slide, and the space utilization efficiency of the position where the electric coupler is located is improved while extending and retracting of the electric coupler are achieved; and the requirements of the maglev train on the compactness and the self-locking safety of the electric coupler pushing device are met.

The utility model discloses a clamp device for energy -conserving material performance detection, including two clamping arms of symmetrical distribution, and install locking assembly and mounting assembly between the lower extreme of two clamping arms, and install two symmetrical distribution's clamping head of wedge between the upper extreme of two clamping arms, and clamping head is slidably connected with the clamping arm of being located at the same side through inclined plane guide structure, and the inclined plane guide structure includes the first slope of setting on the clamping arm and the second slope of setting on the clamping head and the first slope abuts and slide -fit, and the end of clamping head away from the second slope has the clamping plane of vertical distribution, and the second slope on two clamping heads forms the sharp angle of opening downward. The utility model discloses through setting inclined plane guide structure to produce the stress tendency of each other close to two symmetrical distribution's clamping head, realizes the purpose of self -locking clamping, and effectively prevents the occurrence of sample skidding phenomenon.

The utility model relates to fire extinguisher technical field discloses a kind of suspension type dry powder fire extinguisher, including bottle body, the top of bottle body is fixedly connected with fixed seat, the inner wall of fixed seat is rotatably connected with rotating ring, the top of rotating ring is fixedly connected with hook, the outer wall of hook is rotatably connected with connecting shaft, the both ends of connecting shaft are fixedly connected with baffle, the side of baffle is fixedly connected with spring, the outer wall of hook is fixedly connected with baffle head, the bottom of bottle body is provided with adjusting assembly, and the adjusting assembly includes connecting port, the inner wall of connecting port is threadedly connected with spout connector. In the utility model, by pushing baffle inward, baffle and connecting shaft can rotate on hook, baffle rotates together with connecting shaft, compress spring in rotating process, and the elastic force of spring restores original position by reaction force to push baffle, to realize self-locking function.

The utility model discloses a universal connecting device for preventing a lead from loosening. The universal connecting device comprises a shell main body, a universal main clamp, a top block, a fixed block, a first screw, a second screw, a lead half frame, a bottom cover, a spring and the like. A universal main clamp is mounted in the shell main body, two grooves are formed in the universal main clamp, a first limiting groove and a second limiting groove are formed in each groove, two fixing blocks are mounted through the first limiting groove, and two ejection blocks are slidably connected through the second limiting groove; a lower shell and an upper shell are installed on the front side wall and the rear side wall of the shell body correspondingly, and a spring is arranged between the top block and the fixing block. Through the above structure, the lead loosening prevention device can effectively prevent the lead from loosening, has good versatility and overcurrent capability, is suitable for connection of leads of various specifications, is convenient to install and maintain, is compact and reasonable in structure, and can prolong the service life.

The utility model belongs to the technical field of papermaking auxiliary equipment, and relates to a paper pulp dispersing device for measuring beating degree, which comprises a driving seat, a rotating shaft and a stirring rod, a driving motor is arranged in the driving seat and connected with the rotating shaft through a coupler, and the stirring rod is detachably mounted in the rotating shaft. An auxiliary locking device is arranged between the rotating shaft and the stirring rod, and a plurality of adjusting lap joint rods are arranged on the outer surface of the driving seat. Through the auxiliary locking device, the mounting stability of the stirring rod is ensured while the stirring rod is convenient to disassemble and assemble, and the lap joint mode of the stirring rod and different paper pulp containers is flexibly adjusted by matching with the adjusting lap joint rods arranged on the outer surface of the driving seat, so that the device can adapt to the paper pulp containers with different sizes; and the flexibility and universality of the device in different use scenes are improved.

The present invention discloses an electric push rod, comprising a motor, a transmission gear, a screw and a nut, wherein the transmission gear is fixedly sleeved on the screw, the nut is arranged on the screw, and further comprising a brake assembly and a switch assembly, wherein the self-locking function of the screw is realized by the brake assembly, and the switch assembly comprises a mounting seat, a slider, a rod, a limit block, an elastic member and a travel switch, wherein the slider is mounted on the mounting seat and moves along the length direction of the screw on the mounting seat, the rod and the slider are fixedly connected, and the limit block is movably connected to the rod. The present invention only needs to adjust the position of the limit block on the rod, and does not need to adjust the position of the travel switch, so as to adjust the limit position of the movement of the nut, and there is a sufficient distance between the rod and the screw, and at the same time, the limit block is small in size, and the limit position of the movement of the nut is convenient to adjust, and the self-locking of the screw is realized by the brake assembly, so that the electric push rod will not automatically drop due to the bearing force of the load, thereby improving the operational safety of the electric push rod.

The utility model discloses a radar device convenient to adjust. The radar device comprises a fixing mechanism and a radar body installed on the top face of the fixing mechanism. An angle adjusting mechanism is arranged at the bottom of the fixing mechanism, and one side of the angle adjusting mechanism is rotationally connected to one end of the handle. The fixing mechanism comprises a first supporting column, the top of the supporting column is fixedly connected with a self-locking base, and a groove is formed in the self-locking base; the side, close to the groove, of the self-locking base is in threaded connection with a lead screw, and the outer side of the lead screw is in threaded connection with the first supporting column. Wherein the interior of the groove is slidably connected with a limiting block, first springs are symmetrically and fixedly connected to the two sides, close to the limiting block, of the top of the self-locking base, and the ends, away from the self-locking base, of the first springs are fixedly connected with the limiting block. The angle of the radar body can be controlled through the angle adjusting mechanism.

The present invention discloses a central damping closing mechanism with an embedded hinge, comprising a fixed seat and a base, wherein the fixed seat and the base are provided with a transmission assembly; the transmission assembly comprises a main beam, a connecting arm and a small beam arm, a door-closing spring for damping the rotating connecting arm is installed in the main beam, a cam is provided at the left end of the connecting arm, and a roller for slidingly connecting with the cam is provided at the telescopic end of the roller; a damper is installed in the base through a torsion spring, and a clamping opening for sliding clamping of the damper is opened in the middle position of the damping connecting block; the present invention cooperates with the door-closing spring and the damper, so that the transmission assembly is subjected to more uniform force at multiple points during the door closing process, reduces the overall jitter and noise of the transmission assembly, and is more stable and quiet at the moment of door closing, and auxiliary damping is not achieved throughout the entire process, and the damping effect is only achieved within a small closed angle range.

The present invention relates to a bearing device for a main shaft of a solar tracking system, comprising: a sleeve-shaped housing; the bearing is mounted in the shell and rotates around the central axis relative to the inner wall of the shell, and a mounting groove is formed in the inner wall of the bearing; the main shaft axially penetrates through the bearing and is mounted in the mounting groove, and the main shaft and the bearing synchronously rotate around the central axis relative to the shell; on the cross section perpendicular to the central axis, the outline of the inner wall of the shell is in an oval shape, the outline of the outer wall of the bearing is a part of a circle, the diameter of the circle is smaller than the length of the long axis of the oval shape and larger than the length of the short axis of the oval shape, and when the bearing rotates around the central axis, the diameter of the circle is smaller than the length of the long axis of the oval shape. The outer wall of the bearing abuts against the inner wall of the shell, so that self-locking of the main shaft is achieved. The outer wall of the circular bearing and the inner wall of the oval shell move relatively to generate interference, the self-locking function of rotation of the main shaft is achieved, and the structure is simple and not prone to damage.

The invention relates to a self-locking tension balance traction device, which belongs to the field of carbon fiber wire drawing manufacturing devices. A guide shaft is provided, and a guide shaft fixing module is processed at the lower end of a traction disc base. A lower connecting rod fixing module is also processed at the lower end of the traction disc base, which is combined with a lever and upper and lower connecting rods. A hollow pressure box is fixedly installed at the upper end of the traction disc base, and a friction plate and a threading friction plate are stacked in the hollow pressure box. A concave movable pressure plate is installed at the upper end of the uppermost friction plate and fixed with a guide pin. A pressure roller is processed, and a pressure roller assembly is installed on the top of the concave movable pressure plate. The end of the upper connecting rod is connected to the upper connecting rod connection hole at the lower end of a ""-shaped pulling component through an upper connecting rod pin shaft, so that the traction force pulling the composite material can be converted into positive pressure, without other power devices and realizing the self-locking function. The multi-layer friction plate and the multi-layer threading friction plate are superimposed, and the friction force is increased, and the buffering function of the fiber filaments can be realized to achieve the tension balance of the fiber filaments and prevent the broken wires.

The utility model discloses a high-temperature and high-pressure adhesion instrument, and belongs to the technical field of adhesion instruments. Comprising a base, the top of which is provided with a host assembly; a sliding groove is formed in the side wall of the adhesion cup, cup covers are detachably connected to the two ends of the adhesion cup, and clamping grooves are formed in the side walls of the cup covers; the clamping block is arranged on the inner side of the sliding groove in a sliding mode in the radial direction of the adhesion cup and is driven by external force to be connected with the clamping groove in a clamped mode; the rotary knob is rotatably arranged on the outer side of the adhesion cup and used for driving the clamping block to be matched with the clamping groove, the rotary knob is rotatably arranged on the outer side of the adhesion cup to drive the clamping block arranged on the side wall of the adhesion cup in a sliding mode to slide in the radial direction, the clamping block is clamped with the clamping groove formed in the outer side of the cup cover, and connection of the adhesion cup and the cup cover is achieved; therefore, the problem that the cup cover is inconvenient to disassemble when the adhesion cup is cleaned is effectively solved, and the effect that the cup cover and the adhesion cup are convenient to disassemble and clean is achieved.

The application relates to a test tube placing assembly and a control method thereof, and belongs to the technical field of detection equipment. The test tube placing assembly comprises a test tube rack provided with a self-locking part and a jack for accommodating a sample test tube, and a socket assembly comprising a bottom plate, a socket main body, a self-locking driving device, a rotating shaft, a top rod and an elastic part. The socket main body is provided with a slot for inserting the test tube rack, the bottom of the slot is provided with a positioning hole corresponding to the position of the self-locking part, the rotating shaft is provided with a cam, the top rod is installed between the cam and the self-locking part, one end of the elastic part is abutted against the top rod, and the other end is abutted against the socket main body, so that the top rod has a tendency to move away from the self-locking part. The rotating shaft can be rotated to make the cam be located at a self-locking state position and a release state position. The test tube placing assembly is characterized in that the rotating shaft, the cam, the top rod and the elastic part are matched, a driving device such as a stepping motor is used, the self-locking function of placing the test tube rack on the socket main body is realized, and the test tube placing assembly has the advantages of simple structure and compact structure.

The invention belongs to the technical field of engineering machinery, and relates to a length-adjustable connecting rod structure and an excavator. The length-adjustable connecting rod structure comprises two thread adjusting assemblies of the same structure, a first shaft seat and two second shaft seats, and one ends of the two thread adjusting assemblies are connected with two fixing rods symmetrically arranged on the first shaft seat through limiting devices; one end of the threaded adjusting assembly is in threaded connection with the first shaft seat, the other end of the threaded adjusting assembly is in threaded connection with lifting sleeves arranged on the two second shaft seats, the threaded adjusting assembly comprises two symmetrical semi-cylindrical external threaded sleeves, internal threads matched with the two semi-cylindrical external threaded sleeves are correspondingly arranged on the inner sides of the lifting sleeves, and a connecting rod is fixed between the lifting sleeves on the two second shaft seats; the length of the connecting rod structure is adjusted by rotating the two thread adjusting assemblies at the same time. The connecting rod has the function of adjusting the length of the connecting rod, the length of the connecting rod can be adjusted according to different inward-folding and outward-turning angle changes and four-connecting-rod transmission ratio changes of an assembled bucket or machine tool, and the requirements of different working conditions are met.

The utility model belongs to the technical field of orthodontic equipment, in particular to a slip cover type orthodontic bracket based on 3D printing technology, which comprises a bracket body and a cover plate, the bracket body comprises a bracket wing, a side slot wing and a base, the bracket wing and the side slot wing are respectively and fixedly connected with the base, the bracket wing is positioned above the side slot wing, and the cover plate is positioned above the side slot wing. The side groove wings are slidably connected with the cover plate in a sleeved mode, the upper end of the base is provided with a gap reserving area and assembling holes used for nickel-titanium alloy wires, the assembling holes are located in the bottom of the gap reserving area and comprise the first assembling hole and the second assembling hole, and the first assembling hole and the second assembling hole are the same in depth and shape. The cover piece comprises two cover lugs and a pushing slope, and a narrowing area, a first matching groove and a second matching groove are formed in the middle of each cover lug; the self-locking function of the cover plate and the bracket body is achieved through the cooperation of the nickel-titanium alloy wire and the narrowing area, and the problem that the bracket is not prone to falling off in the correction process is solved through the inlaid ring of the base.

The self-adaptive guide rail type ONU communication system comprises a main framework, the main framework comprises a front shell, an indication panel is installed on one side of the front shell, information guidance is carried out through the indication panel, a left side plate is fixed in the front shell, lamp panels are installed on the left side plate and correspond to the indication panels one to one, a right side plate is arranged on one side of the left side plate, and the lamp panels correspond to the indication panels one to one. A right side plate is arranged on the front shell, a main control board is arranged at one end of the right side plate, an interface board is arranged at the top of the right side plate, 485 protocol chips are adopted in the interface board and the main control board, a rear shell is arranged on one side of the front shell, a guide rail type snap fastener is installed on the outer side of the rear shell, a clamping area is arranged above the guide rail type snap fastener, and installation is achieved in a snap fastener mode. The ONU is simple and convenient to operate, flexible to mount and dismount, small in design, space-saving, dual-channel in data interaction and free in address allocation, and flexible application of the ONU in different PON technical environments is realized through intelligent identification and self-adaptive switching.

The invention discloses an electronic information antenna mounting device, and relates to the technical field of antenna mounting, the electronic information antenna mounting device comprises a wireless device, a damper is arranged below the wireless device, an adjusting slide rail is arranged below the damper, and a buckle plate is arranged on the lower surface of the adjusting slide rail. After the position of the wireless device is randomly adjusted by an operator, the second auxiliary arm is driven by the first auxiliary arm, and the wireless device can be adjusted to be locked at different angles through the damping control of the damper under the meshing of the first gear and the second gear; therefore, the angle adjustment of the sucker cover in different horizontal directions can be realized; due to the fact that angle adjustment in different horizontal directions can be achieved, the antenna support is suitable for antennas of various types and models, and traditional communication antennas or emerging antennas of radars, satellites and the like can be accurately installed and adjusted through the antenna support.

The application provides a double-nut type high-temperature exhaust pipeline sliding support and locking method, and belongs to the technical field of sliding supports. The sliding support comprises a sliding support assembly, a sliding groove, a fixing assembly, a limiting assembly and an elastic assembly. The sliding groove is arranged on the sliding support assembly. The fixing assembly is detachably arranged on the sliding groove. The fixing assembly comprises a bolt, a steel gasket, a first nut and a second nut. The steel gasket, the first nut and the second nut are movably arranged on the bolt in sequence along the axial direction of the bolt. When the pipeline is slightly shaken due to the self weight and ship vibration, the sliding support remains in a stationary state. When the pipeline is axially elongated due to heat, the sliding support can easily realize the sliding function. The double-nut self-locking function can prevent the nut from loosening and falling off. The stress borne by each part is far less than the allowable stress, so that the long-term use of the sliding support assembly can be ensured.