59results about How to "Play a pre-positioning role" patented technology

The invention relates to the technical field of high-voltage live wiring, in particular to a wire clamp intelligent installation tool. The wire clamp intelligent installation tool comprises a frame body which comprises a wire clamp fixing frame used for fixing a wire clamp; a tightening device which is arranged on the frame body, is in transmission connection with the grabbing part and drives thegrabbing part to clamp or loosen the main wire; a wire locking device which is arranged at the side part of the wire clamp fixing frame, a clamping jaw used for fixing the main wire is arranged on thewire locking device, and the clamping jaw is driven to move towards the grabbing part of the wire clamp so as to push the main wire into the grabbing part; by providing the wire clamp intelligent installation tool, the problems that an existing wire clamp installation device mainly depends on manual operation, the difficulty is large, the working efficiency is low, and meanwhile certain risks exist in the aspect of safety are solved. The invention further provides intelligent equipment.

The invention relates to a rotatable LED lamp tube comprising a lamp tube main body and rotary lamp caps at two ends of the lamp tube main body. Each rotary lamp cap comprises a fixing assembly and a rotary assembly sleeved on the end portion of the lamp tube main body, wherein indexing teeth are arranged in each fixing assembly, and locking teeth corresponding to the indexing teeth are arranged on each rotary assembly. The rotary assemblies rotate along with the lamp tube main body, the indexing teeth are arranged on the fixing assemblies, the rotary assemblies are provided with the locking teeth, when the locking teeth are meshed with the indexing teeth, the rotary assemblies and the fixing assemblies are fixed, and when the locking teeth are separated from the indexing teeth, the rotary assemblies and the fixing assemblies can rotate relatively. Through meshing and separation of the locking teeth and the indexing teeth, rotary locking and unlocking of the rotatable LED lamp tube can be achieved. Therefore, the meshing of the locking teeth and the indexing teeth enhances reliability of the rotary locking, and further improves use reliability of the rotatable LED lamp tube.

The invention discloses a steel structure building and a wall construction method thereof, and a girder and column steel member. The wall construction method of the steel structure building includes the following steps that firstly, the prefabricated steel member serving as a stand column and / or a roof girder is fixedly installed, the steel member comprises a steel member body extending in the column height or girder length direction, and the steel member body is provided with prefabricated rib plates extending in the same direction on the side surfaces in an outward convex mode; secondly, when a wall board is erected, the wall board is horizontally moved till the edge of the board surface on one side is placed on the corresponding prefabricated rib plate, and the vertical edge of the attaching side of the wall board faces the side surface, where the prefabricated rib plate is located, of the steel member body; and thirdly, the side, away from the prefabricated rib plate, of the wall board is pressed with connecting rib plates. The prefabricated rib plates are prefabricated on the steel member, the prefabricated rib plates can play a role in prepositioning the wall board, the wall board can be installed in a horizontal moving mode after being erected, and thus the operation difficulty of wall board installation is reduced, and the wall construction safety and efficiency are improved.

The invention provides a clamping tool. The clamping tool comprises a base, a locating unit and a clamping unit; the locating unit comprises two parallel locating plates; the clamping unit comprises two clamping plates, one clamping plate is arranged at one end of the base, the other clamping plate is arranged at the other end of the base, the locating unit is located between the two clamping plates, the end faces, facing the locating unit, of the clamping plates are arc-shaped clamping faces matched with the outer walls of sleeves of a track plate, and the clamping plates are provided with power mechanisms capable of driving the clamping plates to move in the length direction of the base in a matched mode. The clamping tool aims to tightly clamp the outer walls of the sleeves of the track plate through the arc-shaped clamping faces of the two clamping plates, there is no requirement on the center distance between the two sleeves of the track plate, and therefore the problem that existing equipment cannot clamp or locate the track plate according to the machining requirement when the center distance between the two sleeves of the track plate is not consistent with a standard center distance is solved, the problems that the phenomenon that precision bored holes are eccentric or bored holes are not round occurs frequently when the sleeves undergo subsequent precision boring are solved, and waste is reduced.

The invention belongs to the technical field of electric power systems, and relates to a high-voltage electrified aerial bare conducting wire lifting crane and a rubber coating spray painting robot ofthe high-voltage electrified aerial bare conducting wire lifting crane. A lifting device in the lifting crane comprises a wire speed adjusting device and wire winding devices, wherein the wire speedadjusting device is installed in the middle of the upper end of a machine frame, and the wire winding devices are installed on the two sides of the wire speed adjusting device. The wire speed adjusting device comprises a supporting frame, a worm and a worm wheel, wherein the supporting frame is installed on the machine frame, the worm is arranged on the supporting frame, and the worm wheel mesheswith the worm. A second hand wheel is fixedly installed on the outer side of the worm wheel, and a plurality of third hand wheels are evenly and fixedly installed on the upper side of the worm wheel.Each wire winding device comprises a wire winding roller, a guide rod and a first hand wheel. The wire winding rollers are fixedly arranged at the free ends of the worm, the guide rods are fixedly arranged above the wire winding rollers, and the first hand wheels are installed on the outer sides of the wire winding rollers. Sliding blocks are arranged on the guide rod in a penetrative mode, and traction wheels are fixedly installed on the sliding blocks. Pull ropes which are used for lifting the rubber coating robot are wound around the wire winding rollers, and the free ends of the pull ropespass through the traction wheels. The problem that in the prior art, the potential safety hazard exists in the mode that an automatic spray painting robot is conveyed by a control system is solved.

The invention discloses an aircraft fuselage detection robot which structurally comprises a multi-rotor unmanned aerial vehicle, a suction cup type wall-climbing robot, a flexible transmission device and an analysis pad, the suction cup type wall-climbing robot is installed below the multi-rotor unmanned aerial vehicle, and the flexible transmission device is arranged on the suction cup type wall-climbing robot. Because a camera additionally arranged on the unmanned aerial vehicle is a camera loaded with infrared, video and three-dimensional scanning, the unmanned aerial vehicle can carry out overall rapid fuselage scanning detection under different ambient light conditions, the quality of video information acquisition can be ensured, the pre-positioning is realized, and the purpose of close-range non-contact nondestructive detection is achieved; when the probe ring slides along the surface of the detected fuselage, the probe ring can smoothly slide on tiny peaks and valleys on the surface to be detected and can move up and down along the peaks and valleys under the cooperation of a deviation correcting piece and a control body, namely, the probe ring can do telescopic motion relative to the analysis head, and relative deviation between the detection ring and the surface to be detected is avoided.

The invention relates to an auger connecting plate drill jig hole device, comprising an upper drill plate and a lower drill plate. The upper drill plate and the lower drill plate are connected through a plurality of vertically arranged connecting rods. The upper drill plate is provided with a plurality of drill jig holes. The diameters of all the drill jig holes are the same. The diameter of each drill jig hole is smaller than the diameter of a to-be-processed hole of an auger connecting plate. The position of each drill jig hole is consistent with the position of the to-be-processed hole of the auger connecting plate. The auger connecting plate drill jig hole device is rational in design, simple in structure, easy in manufacturing, flexible in use, and good in practicability. Using the device can improve working efficiency, accelerate work processing, ensure continuous production, and improve processing precision and product quality.

The invention relates to a connecting structure of a bridgehead transition section concrete anti-collision guardrail and a corrugated steel guardrail, and a construction method thereof. The connectingstructure comprises the concrete guardrail and the steel guardrail, a guardrail pipe is fixedly arranged on the concrete guardrail, a concrete transition wall is poured between the concrete guardrailand the steel guardrail, and a plurality of connecting pieces are fixedly arranged on the concrete guardrail; and a reinforcement cage is pre-buried in the concrete transition wall, the connecting pieces are fixedly connected with the reinforcement cage, a mounting groove is reserved in the side, close to the steel guardrail, of the concrete transition wall, and one end of the steel guardrail isinserted into the mounting groove and fixedly connected with the concrete transition wall. The connection strength of the concrete guardrail and the steel guardrail transition section is improved, thesteel guardrail can be heightened and upgraded conveniently, and the overall safety protection effect of the guardrail is enhanced.

The invention discloses an energy-saving power amplifier, which comprises a power amplifier main body. A control front panel is arranged on the power amplifier main body; a handle groove partially extending into the power amplifier main body is dug in the control front panel; a partition plate is arranged in the handle groove; the partition plate divides the handle groove into an inner groove bodyand an outer groove body; a guide sleeve is arranged on the partition plate; a guide rod is slidably connected into the guide sleeve; one end of the guide rod is provided with a limiting tailstock arranged in the inner groove body and used for abutting against the guide sleeve, the other end of the guide rod is provided with a lining plate shielding a groove opening of the outer groove body, a holding plate identical to the lining plate in shape and size is arranged in front of the lining plate, a connecting arm is arranged between the holding plate and the lining plate, and when the holdingplate shields the groove opening of the outer groove body, the lining plate is attached to the partition. The energy-saving power amplifier has the advantages of being firm in installation, convenientto take, lift and place, complete in overall functions and high in practicability.

The invention belongs to the technical field of jade machining, and particularly relates to a strip-shaped jade rounding device. The strip-shaped jade rounding device comprises a worktable, a clamping mechanism, a transverse moving mechanism and a longitudinal moving mechanism; the clamping mechanism and the longitudinal moving mechanism are respectively arranged on the worktable; the transverse moving mechanism is arranged on the longitudinal moving mechanism; the clamping mechanism comprises a first-stage supporting block, a second-stage supporting block, a primary rotating shaft and a secondary rotating shaft; the first-stage supporting block is arranged at the left end of the top of the worktable; the second-stage supporting block is arranged at the right end of the top of the worktable; a first-stage cylinder is arranged at the top of the first-stage supporting block; a moving table is arranged at the free end of a piston rod on the first-stage cylinder; a first-stage sliding rail is arranged at the bottom of the moving table; the first-stage sliding rail is fixedly arranged on the worktable. According to the strip-shaped jade rounding device, a diamond saw blade can perform reciprocating linear movement in a transverse direction automatically; manual operation is not required; the automation degree is high; the labour intensity is reduced; the production efficiency is improved.

The invention provides a straight hole internal O-type groove depth detecting device, and relates to the technical field of depth detection. The detecting device comprises a first-stage hole depth detecting assembly and a second-stage hole depth detecting assembly. The first-stage hole depth detecting assembly is used for detecting the depth of a first-stage hole of an O-type groove and is a go-no-go block with a first surface and a second surface. The first surface is used for making contact with the fat face of the upper side of the first-stage hole of a to-be-detected workpiece. The secondsurface is used for making contact with the fat face of the lower side of the first-stage hole of the to-be-detected workpiece. The distance between the first surface and the second surface is the depth of the first-stage hole. The second-stage hole depth detecting assembly is a gauge-carrying depth detecting tool for detecting the depth of a second-stage hole of the O-type groove. By means of thedepth detecting device, the detecting efficiency of personnel can be effectively improved, detecting cost is reduced, the measurement result precision is ensured, and the depth detecting device has the advantages of being convenient to use and maintain, low in fault rate, low in cost, high in efficiency, accurate in detection, long in service life, convenient and rapid to use and the like.

The invention discloses an electric connector and a connecting piece structure thereof. The connecting piece is used for fixing the electric connector on a printed circuit board (PCB) and comprises a main body portion and a welding portion plugged on the PCB. The bottom end of the welding portion is bent upward and extends to form a hook portion for hooking up the end face of the PCB, and the hook portion and the tail end of the welding portion connected through an arc-shaped bent portion. The electric connector comprises a connector main body, and the connecting piece is fixedly installed on the connector main body. Due to the fact that the bottom end of the welding portion of the connecting piece is bent upward and extends to form the hook portion, the hook portion hooks up the end face of the PCB, the pre-positioning effect can be played in welding, and the stable combination of the electric connector and the PCB is facilitated. What's more is important is that due to the fact that the hook portion is bent upward along the bottom of the welding portion, the length of the welding portion of the connecting piece can be decreased, the arc-shaped bent portion is firstly contacted with soldering tin in the plug hole of the PCB in welding, and then the hook portion is matched with the arc-shaped bent portion to play a good welding role of an auxiliary reflow soldering process.

The invention relates to an assembly type roadbed pile plate connecting structure. The structure comprises a plurality of prefabricated bearing plates which are sequentially spliced end to end, wherein every two adjacent prefabricated bearing plates are spliced through a connecting assembly, inserting blocks are symmetrically arranged at the two ends, in the splicing direction, of the prefabricated bearing plate, the inserting blocks are located on the lower surface of the prefabricated bearing plate, the connecting assembly comprises a prefabricated pipe pile and a first connecting assembly, and the first connecting assembly comprises a first connecting bolt and a first nut; the prefabricated pipe pile comprises a pile body and a concave bearing platform fixed to an end of the pile body, the inserting blocks located on the two adjacent prefabricated bearing plates are jointly inserted into the concave bearing platform, and the first connecting bolts penetrate through the concave bearing platform and the inserting blocks in the concave bearing platform and are fixed through first nuts. Compared with the prior art, the structure has advantages of high efficiency, small environmental pollution, strong reusability, convenience in maintenance and replacement, low cost and the like.

The invention provides an impeller of a centrifugal fan, and belongs to the technical field of machinery, and the impeller solves the problem of high manufacturing difficulty in the prior art. The impeller of the centrifugal fan comprises an impeller body and an end cover, wherein the impeller body comprises a connecting base and a plurality of blades; the blades and the connecting base are of an integrated structure; the impeller body and the end cover are of an split type structure; the inner side edges of the blades are connected to the connecting base; the outer side edges of the bases are provided with a connecting part I; the end cover is in the shape of a circular ring, and is provided with a connecting part II which corresponds to the connecting part I; and the connecting part I and the connecting part II are connected through a fastener. The impeller of the centrifugal fan provided by the invention is compact in structure and is relatively low in processing difficulty.

The invention provides a protection frame of a road roller, belongs to the technical field of machinery, and solves the problem that the protection frame of a conventional road roller is inconvenient to mount. The protection frame of the road roller comprises a U-shaped frame body, wherein the frame body comprises two cylindrical connecting ends, a connecting frame is abutted against to the end surface of each connecting end, and the two connecting frames are V-shaped; each of the connecting frames comprises a fixing part and a connecting part, wherein each fixing part is horizontally arranged and is provided with a bolt hole, and each connecting part is obliquely arranged and is abutted against the end surface of the corresponding connecting end; a connecting column is arranged on the outer side wall of each connecting part, and is provided with outer threads; each connecting column and the corresponding connecting frame are shaped at one time through the same material; and a supporting part which is protruded in a plate-shaped manner is arranged on the side wall of each connecting end, each supporting part is parallel with the corresponding part, a through hole opposite to each connecting column is formed in each supporting part in a penetrating manner, each connecting column is arranged in the corresponding through hole in a penetrating manner, a nut is in threaded connection to each connecting column, and the two side surfaces of each supporting part, the corresponding part and the corresponding nut are respectively and tightly abutted together. The protection frame of the road roller has the advantage of being convenient to mount.

The invention belongs to the technical field of automobile detection tools, and particularly relates to an automatic detection tool for a digital display laser displacement sensor of an automobile skylight sun shield. The detection tool comprises a detection tool bottom plate, a plurality of multifunctional mounting plates which are symmetrical along the center line of the detection tool bottom plate are arranged on the detection tool bottom plate, skylight sun shield supporting blocks are arranged on the multifunctional mounting plates, stand column fixing pieces are arranged between the multifunctional mounting plates and the detection tool bottom plate, and positioning and clamping bases are arranged at the tops of the multifunctional mounting plates. The skylight sun shield supportingblock, the skylight sun shield pressure detection plate and the laser sensing part are arranged, the automobile skylightsun shield is integrally positioned and fastened, the automobile skylightsun shield is ensured not to get loose in the detection process, the detection precision is improved, at the moment, the laser sensing piece is used for automatically detecting product numerical values of the automobile skylightsun shield, the product numerical values are displayed through the display, detection is convenient and rapid, dismounting and mounting are convenient, and the detection efficiency is high.

The invention discloses a hydraulic clamp achieving rapid clamping and locating. The hydraulic clamp achieving rapid clamping and locating comprises a base. First installation seats, second installation seats and a third installation seat are arranged on the base. The upper end of each first installation seat is provided with lever cylinders. The side wall of each first installation seat is provided with first stop blocks, a first linear push cylinder and a second linear push cylinder. Each first linear push cylinder and the corresponding second linear push cylinder are orthogonally arranged. Each second installation seat is provided with a second stop block. The third installation seat is provided with a third stop block. The hydraulic clamp achieves rapid clamping and accurate locating, lightens work intensity and improves machining efficiency; and clamped workpieces do not deform in the machining process, and a machining center can conduct displacement and rotation operations on the clamped workpieces beneficially.

The invention discloses a framework, a bogie and a railway vehicle, the framework comprises two side beams and two cross beams connected between the two side beams, air springs of the bogie are installed on the side beams, at least one auxiliary beam is connected between the two cross beams, an inner cavity of the auxiliary beam is divided into a first cavity and a second cavity, the first cavity is communicated with the inner cavity of one cross beam to jointly serve as an additional air chamber of one air spring, and the second cavity is communicated with the inner cavity of the other cross beam to jointly serve as an additional air chamber of the other air spring. According to the scheme, the auxiliary beam of the bogie and the framework not only serves as a connecting piece for connecting the front cross beam and the rear cross beam, but also is divided into the first cavity and the second cavity at the same time and can be communicated with the inner cavities of the cross beams, so that the auxiliary beam serves as the additional air chambers of the air springs installed on the bogie and the framework, the volume of the additional air chambers is increased, and the structure of the framework is simplified.

The invention discloses a method for cast-bonding of a journal of a finished product roller through a protective jacket, and belongs to the field of roller repairing. The method comprises the steps of flaw detection, truncation, protective jacket manufacturing, protective jacket installation, cast bonding, protective jacket dismounting and the like. The method effectively solves the problem that a traditional cast bonding process is prone to scalding and bumping the roller, the cast-bonding repairing success rate is improved, and the cast-bonding repairing difficulty of the finished product roller is greatly reduced.

An automatic wire clamp mounting tool comprises a rack body which is installed on a movable arm and used as a wire clamp fixing frame for wire clamp mounting; a wire locking device which is arranged on the rack body, and provided with a fastener which is driven to clamp or loosen a wire; and a wire clamp tightening device which is arranged on the rack body in a driven sliding mode, is connected with or separated from the wire in a driven mode, and is provided with a connecting piece. The connecting piece drives the wire clamp to clamp the wire or loosen the wire. Via the automatic wire clamp mounting tool, the problems that an existing power connection device mainly depends on manual operation, the difficulty is large, the working efficiency is low, and meanwhile certain risks exist in theaspect of safety are solved.

The invention discloses a laboratory thermostat, which comprises an equipment shell and a group of cushion frames installed at the bottom of the equipment shell; a touch panel is installed on the front side surface of the equipment shell in an embedded manner, a heater is installed at the inner bottom of the equipment shell, two temperature sensors are symmetrically arranged on two opposite inner side walls in the equipment shell, the equipment shell is internally filled with a heating medium, a bottomless containing groove is fixedly inserted in the top of the equipment shell, a placement frame is installed above the bottomless containing groove, and a plurality of placement holes are formed in the placement frame in an array mode. On one hand, an old filling heating medium after impurities are filtered out can be pumped back into the equipment shell again to be reused, so that the heating medium can always keep good heat conduction efficiency; and on the other hand, the stability performance of the placement frame after the placement frame is fed into the bottomless containing groove is greatly improved in a manual mode, so that accidents such as disintegration of the placement frame and the test tube in the heating process are avoided.

The invention discloses underground comprehensive pipe gallery deformation joint sealing water-stopping auxiliary equipment. The underground comprehensive pipe gallery deformation joint sealing water-stopping auxiliary equipment structurally comprises a water-stopping belt, a connecting rod, a motor, a stabilizing clamp and a base, wherein the water-stopping belt is connected between the base, the motor is connected to the base, the motor is matched with the stabilizing clamp in an electric connection mode through the connecting rod, a push handle and an adjusting device are arranged on an assisting body, the push handle and the adjusting device are matched on a lifting rod, when a clamping head is firstly in contact with and pushed to a deformation joint, the push handle can be lifted in the reverse direction along the belt, so that the push handle is extruded and ejected upwards from the adjusting device along the released lifting rod to be buckled on a running-in belt, and the sponge cushion can be guaranteed to maintain the stereoscopic impression to carry out reinforcing plate blocking on the top intersection of the deformation joint and the water-stopping belt in a centralized maintenance state.

The invention discloses a sewage treatment precipitation system. The system comprises: a precipitation tank provided with a precipitation cavity, wherein a supporting convex ring is arranged on the side wall of the middle part of the precipitation cavity, a sludge outlet pipe is arranged at the bottom, aligned gaps are arranged on the two opposite side walls of the precipitation cavity, and an opening is formed at the upper part of the gap; an inclined plate assembly arranged in the precipitation cavity, wherein the bottom of the inclined plate assembly is supported on the supporting convex ring, and the inclined plate assembly comprises inclined plates which are arranged obliquely; and an overflow pipe embedded into the notch and detachably connected with the side wall of the sedimentation tank, wherein an opening is formed in one end of the overflow pipe and extends out of the sedimentation cavity, and an overflow opening is formed in the side wall of the overflow pipe. The supporting convex ring is used for supporting and limiting the inclined plate assembly, so that the inclined plate assembly can realize stable position without a fastener, the notch plays a certain role in limiting and supporting the overflow pipe and can play a role in pre-positioning during mounting, and the overflow pipe and the sedimentation tank can be detachably mounted conveniently; and disassembly and assembly are convenient, and later maintenance is simple.

The invention discloses a multi-section aluminum foil pasting device for a shell of a gas generator. The device comprises a shell conveying rotary disc, a film taking and placing mechanism and a rolling film pasting mechanism; the film taking and placing mechanism comprises a film suction cylinder, a rotation driving device for driving the film suction cylinder to rotate, and a film suction cylinder driving device for driving the film suction cylinder to move back and forth between a film taking station and a film placing station; a multi-claw pneumatic chuck in the film suction cylinder at the film placing station drives a jacking block to extend out of an opening in the film suction cylinder so as to jack and press multiple sections of to-be-pasted aluminum foils on the outer circumferential wall of the film suction cylinder on the inner wall of the shell to be locally fixed; and the rolling film pasting mechanism comprises a roller for rolling and pasting all the aluminum foil on the inner wall of the shell and a roller driving device. According to the multi-section aluminum foil pasting device, aluminum foil is divided into multiple sections to be pasted, internal stress caused by pulling of the aluminum foil in the rolling process is effectively reduced, it is ensured that the aluminum foil is not wrinkled and degummed, and the air tightness is not affected, the aluminum foil is adsorbed to the film suction cylinder, locally pressed and pasted to the inner wall of the shell for pre-positioning and then rolled and pasted to the inner wall of the shell through the roller, the relative position precision after pasting is ensured, and the manufacturing process is stable and reliable.

The invention discloses a suspended ceiling structure of a data center, and relates to the technical field of suspended ceilings, the suspended ceiling structure comprises a suspended ceiling frame, the suspended ceiling frame comprises a mounting rod, a main keel and an auxiliary keel, the main keel and the auxiliary keel form a rectangular grid, and suspended ceiling blocks are detachably connected to the main keel and the auxiliary keel. The auxiliary keels are slidably connected with sliding rods and rotatably connected with driving rods, the sliding rods are connected with inserting rods, the ceiling blocks are connected with first sliding seats, the first sliding seats are provided with inserting rings for inserting the inserting rods, the ceiling blocks are slidably connected with second sliding seats, and the second sliding seats are provided with moving pins. A moving groove allowing the moving pin to slide is formed in the driving rod, and a locking groove allowing the moving pin to be inserted is formed in one end of the moving groove; the ceiling block is rotationally connected with a locking piece; a mounting base is mounted on the side wall of the house, and a second driving assembly and a first driving assembly are arranged in the mounting base. According to the invention, the suspended ceiling of the data center can be more convenient for troubleshooting circuit problems.