32results about How to "Improve docking stability" patented technology

The invention discloses a welding device and method for metal corrugated pipe production, and relates to the technical field of metal pipe production. A sliding rail is arranged at the top of the base, a collecting box is arranged on one side of the back of the sliding rail, two linkage plates are symmetrically arranged in the sliding rail, an L-shaped plate is arranged at the edge of the top of the base, an annular rail is arranged on the side, close to the axis of the base, of the L-shaped plate, and a welding assembly is arranged in the annular rail. Two deviation prevention devices are symmetrically arranged on the top of the base, and anti-falling devices are arranged on the inner sides of the deviation prevention devices. By means of the inclined plate and the round roller, it is guaranteed that a pipe entering the limiting ring is located in the center of the interior of the limiting ring all the time, the phenomenon of slight deviation in the pipe alignment process is avoided, and workers need to observe the deviated direction with the naked eyes so that manual adjustment can be conducted; and the alignment accuracy between the two pipes is effectively improved, and the welding preparation time is shortened.

The utility model discloses an assembly type building door and window assembly which comprises an outer door frame and an inner window frame rotationally installed on the outer door frame, an upper transverse support is fixedly installed on the inner window frame, a first clamping block is fixedly installed on the upper transverse support, and a first elastic rod is installed in the first clamping block in an embedded mode. And meanwhile, a first ejection head is fixedly installed on the first elastic rod, a rubber pad is fixedly installed at the bottom end of the first clamping block, a first pressing rod is slidably installed in the inner window frame, and a second ejection head is fixedly installed on the first pressing rod. According to the assembly type building door and window assembly, the upper transverse support is rotationally installed on the inner window frame, the upper transverse support and the inner window frame form a clamping structure through the first clamping block, and the upper transverse support and the inner window frame can be separated through the second jacking head, the first spring and the first pressing rod; the glass body arranged in the inner window frame can be taken out from the upper portion of the inner window frame, and then maintenance personnel can replace the glass body conveniently.

The utility model discloses a special carrier for data line connector crimping in the technical field of data line processing, which comprises a working table, a data line body arranged in the middle of the working table, a crimping mechanism arranged above the working table, a molding mechanism arranged above the crimping mechanism, and a supporting seat fixedly mounted at the upper end of the working table, a mounting plate is fixedly mounted in the middle of the supporting seat, a hydraulic cylinder is fixedly mounted on the mounting plate, a connecting plate is fixedly connected to the transmission end of the hydraulic cylinder, a crimping block is fixedly mounted at the lower end of the connecting plate, a glue melting box is fixedly mounted at the rear end of the mounting plate, a pressurizing plate is arranged at the upper end of the glue melting box, and a connecting rod is fixedly mounted in the middle of the pressurizing plate. The special carrier for data line connector crimping is additionally provided with the crimping mechanism and the molding mechanism, and the beneficial effects of the crimping mechanism and the molding mechanism are reflected in that the crimping and molding processes of the data line connector are efficiently and stably completed, so that the production efficiency is improved, the product quality is ensured, and a reliable solution is provided for data line processing.

The invention discloses a detachable movable ring pump head of a clamping groove type segmented plunger rod, relates to the technical field of plunger pumps, and aims to solve the problems that the energy efficiency utilization rate of a plunger pump is not high, the repeatability of fluid conveying conditions is poor, and the fluid conveying state is damaged due to the fact that a plunger friction pair is exchanged. The pump body, the pump head body, the working section plunger rod and the power section plunger rod are mainly arranged, so that the strength of the pump body and the design redundancy of power are reduced, and the energy consumption of fluid conveying is reduced; the risk that the fluid generates critical state sudden change is reduced, the identity of the shape of the conveying fluid left on the pump head is improved, and the stability of the oil film characteristic of a plunger friction pair is improved. By arranging the guide groove, the guide sliding block, the pump body and the pump head body, the accuracy of positioning and moving in the interchange butt joint process of the segmented plunger rods is improved, and the simplicity and convenience of interchange operation of the segmented plunger rods and the detachable pump head are improved.

The utility model discloses a kind of support adjusting devices for large-diameter steel pipe girth weld, including first adjusting seat and the second adjusting seat of being located in the one side of first adjusting seat, it is movably connected between first adjusting seat and second adjusting seat by limiting rod, the other side of second adjusting seat is provided with second limiting seat, the side of first adjusting seat is provided with first limiting seat, second adjusting seat, second limiting seat, first adjusting seat and first limiting seat are all side by side arrangement between, second adjusting seat and second limiting seat and first adjusting seat and first limiting seat are all fixed by fixed rod butt joint, second adjusting seat, second limiting seat, first adjusting seat and first limiting seat upper portion are movably installed with the limiting portion for fixing large-diameter steel pipe;The utility model improves the girth weld precision of large-diameter steel pipe, and flexibly applies to different caliber large-diameter steel pipe.

The utility model discloses an electromagnetic valve body with a butt joint structure, which relates to the field of electromagnetic valves, and comprises an electromagnetic valve body arranged between two groups of connecting pipes, and further comprises two groups of first connecting ring blocks, the back-to-back sides of the two groups of first connecting ring blocks are fixedly connected with sealing ring gaskets; the opposite sides of the two sets of connecting pipes are fixedly connected with second connecting ring blocks, one sides of the second connecting ring blocks are fixedly connected with internal thread ring plates and external thread ring plates, the outer sides of the two sets of internal thread ring plates are fixedly connected with attaching ring discs in a clamped and sleeved mode, and the two sets of first connecting ring blocks are fixedly connected to the two ends of the electromagnetic valve body correspondingly. Sealing grooves are formed in the opposite sides of the two groups of second connecting ring blocks; the electromagnetic valve has the advantages that the quick butt joint function of the electromagnetic valve body is achieved, the butt joint sealing performance is good, the butt joint structure of the electromagnetic valve body can be prevented from loosening due to external factors, and the butt joint stability of the electromagnetic valve is further improved.

The utility model relates to the technical field of non-negative pressure water supply, and discloses vector frequency conversion intelligent non-negative pressure water supply equipment which comprises a base, a multi-stage water pump unit installed on the upper side of the base, and a steady flow regulator installed on the upper side of the base, and a pipeline used for water circulation is installed between the steady flow regulator and the multi-stage water pump unit. A water inlet pipe is installed on the upper side of the base, a water outlet pipe is installed on the side portion of the steady flow regulator, first connecting pipes used for being connected with the multi-stage water pump unit are installed on the side portion of the water inlet pipe, and second connecting pipes used for being communicated with water flow in the water inlet pipe are installed on the side portion of the multi-stage water pump unit and connected with the first connecting pipes. And a connecting ring is mounted on the outer sides of the second connecting pipe and the first connecting pipe and used for clamping the second connecting pipe and the second connecting pipe. According to the scheme, the structure is simple, operation is convenient and fast, the connecting ring is manually pulled downwards, stable butt joint of the first connecting pipe and the second connecting pipe is achieved, time is saved, and the labor cost is reduced.

The utility model provides a kind of base station chassis of cleaning device and the base station with it, base station chassis and external base station main body constitute base station;Base station chassis is used to cooperate with the limiting piece on the external base station main body to fix and carry host computer, including connecting portion, bottom plate and side wall;Connecting portion is located at one end of bottom plate, for connecting external base station main body;The side of bottom plate towards host computer is bearing surface, and side wall cooperates with bearing surface to form the guide channel for host computer to move towards or away from connecting portion;Bottom plate is recessed arc surface on bearing surface to form one or more roll brush grooves, and roll brush groove is used to accommodate the roll brush on host computer, and when host computer is watered to roll brush, water flow is gathered to make roll brush soak in water, and then auxiliary complete the watering of roll brush.The application is cooperatively designed by arc surface roll brush groove and guide channel, under the premise that robot passability is not affected, depth self-cleaning is carried out to roll brush using roll brush groove, and roll brush soaking efficiency and host computer docking stability are significantly improved.

The utility model relates to the technical field of clear water centrifugal pumps, and discloses a clear water centrifugal pump convenient to install, which comprises a centrifugal pump body and a pump body installing plate installed at the bottom of the centrifugal pump body through bolts, and further comprises a position adjusting groove arranged on the surface of the pump body installing plate, and an adjusting sliding block installed in the position adjusting groove in a sliding mode. The supporting block is arranged above the adjusting sliding block, and a supporting block groove is formed in the upper portion of the supporting block; and the stop block insertion groove is formed in the surface of the supporting block groove, and a rotatable limiting stop block is installed in the stop block insertion groove. According to the centrifugal pump body, the supporting block is arranged below the connector of the centrifugal pump body, and in the connecting process of the connector and the butt joint pipe, the bottom of the butt joint pipe is supported through the supporting block groove in the top of the supporting block, so that the pipe body is not in a suspended state any more in the butt joint process, and the butt joint stability of the butt joint pipe and the connector is higher; and in addition, the front-back position and the height of the supporting block can be adjusted, and therefore the adaptation capacity is improved.

The utility model discloses an energy storage cable convenient for rapid butt joint, which belongs to the technical field of energy storage cables, comprises a first energy storage cable body and a second energy storage cable body, and is characterized in that the outer wall of the first energy storage cable body is provided with a connecting shell; the outer wall of the connecting shell is provided with an external thread, the outer wall of the second energy storage cable body is provided with a second connecting shell, the outer wall of the second connecting shell is provided with a second external thread, and the outer part of the connecting shell is movably provided with a fixing sleeve. According to the device, through cooperation of the connecting shell, the second connecting shell, the fixing sleeve, the reinforcing sleeve and the reinforcing mechanism, the first energy storage cable body and the second energy storage cable body can be quickly and conveniently butt-jointed, butt-joint is convenient, wrapping butt-joint can be carried out without an external tool, certain time can be saved, and the working efficiency is improved. And meanwhile, the butt joint position can be protected through the connecting shell, the fixing sleeve, the reinforcing mechanism and the second connecting shell, the butt joint stability is high, and safety is high.

The utility model relates to unmanned ship water area monitoring sampling technical field especially unmanned ship water area monitoring liftable sampling arm structure, including rotation replacement mechanism, it includes unmanned ship body and mechanical arm, is provided with fixed disc on the mechanical arm, a plurality of sampling tubes are arranged to the fixed disc lower extreme, and the carousel for driving sampling tube rotation, the transmission assembly that provides power for carousel rotation is arranged on the fixed disc, the outer ring surface one side of carousel is provided with a plurality of telescopic components that promote sampling tube lift, the outer ring surface one side of fixed disc is provided with the guide component that sampling tube clamping location is further taken sample, the lifting sealing assembly that opens the opening when sampling tube sampling is arranged on the guide component, the water filter mechanism, it includes a plurality of water inlets that are opened in the fixed disc and carousel, and the water guide component is arranged in the water inlet. Solve the prior art in the frequent control unmanned ship homeward bound onshore replacement sampling tube and the poor stability problem caused by the big water resistance.

The utility model provides a gas sampler for chemical safety detection, which belongs to the technical field of chemical safety and comprises an air suction cylinder, and an air suction plate is slidably connected in the air suction cylinder. The piston rod is fixedly connected to the lower end of the air suction plate; the air storage tank is fixedly connected to the lower end of the connecting pipe, the butt joint block and the mounting block are matched in an inserted mode, the design that the fixing hole is inserted into the positioning groove is combined, and therefore rapid locking of the connecting pipe and the conveying pipe is achieved; the problem of tedious operation of traditional threaded connection is avoided, meanwhile, the butt joint stability is improved, the stress plate continuously presses the butt joint block downwards through cooperation of the spring and the vertical rod, it is ensured that the inserting groove is tightly attached to the butt joint rod, and gas leakage is effectively prevented.

The utility model discloses an anti-blocking annular throttling flowmeter, which comprises a flowmeter body, a sealing element, a positioning mechanism, a fixed flange, a connecting flange and a dismounting mechanism, a connecting ring is movably attached to the bottom of the flowmeter body, the sealing element is fixedly mounted in the middle of the connecting ring, and two ends of the connecting ring are connected with the flowmeter body through the positioning mechanism. The annular throttling type flowmeter is provided with the annular throttling type flowmeter body, the connecting ring, the sealing piece and the positioning mechanism, and the connecting ring, the sealing piece and the flowmeter body can be fixedly connected and separated conveniently through the positioning mechanism, so that gas impurities in the flowmeter body can be cleaned conveniently when the sealing piece is detached; blockage of the flow meter caused by accumulation of impurities is avoided, and the anti-blockage effect of the flow meter is improved; the connecting flange and the fixed flange can be fixedly connected and separated by controlling the dismounting and mounting mechanism, and the dismounting and mounting convenience of the anti-blocking annular throttling type flowmeter is improved.

The utility model discloses an automobile headlight mounting structure which comprises an automobile light assembly, an automobile head connecting piece is arranged on the back face of the automobile light assembly, the automobile light assembly comprises an outer shell, lamp beads are arranged on the front face of the outer shell, and a butt joint block is arranged at the center of the back face of the outer shell. A power plug is arranged on the upper portion of the surface of the butt-joint block, connecting columns are fixedly connected to the four corners of the surface of the butt-joint block, a butt-joint groove is formed in the surface of the vehicle head connecting piece, butt-joint holes are formed in the four corners of the interior of the butt-joint groove, and a power socket is formed in the upper portion of the interior of the butt-joint groove. The butt joint block is inserted into the butt joint groove in the headstock connecting piece, the connecting column is inserted into the butt joint hole, butt joint is stable through adsorption of the magnetic attraction head, disassembly and assembly are easy and convenient, and the butt joint block can be clamped and fixed under contraction deformation of the reset spring in cooperation with the anti-skid sleeve and the fixing plate; and the butt joint stability of the vehicle lamp assembly and the vehicle head connecting piece is improved.

The invention discloses a movable ring type pump head assembly for screwing a split plunger rod, relates to the technical field of plunger pumps, and aims to solve the problems that the energy efficiency utilization rate of a plunger pump is not high, the repeatability of fluid conveying conditions is poor, and the fluid conveying state is damaged due to the fact that a plunger friction pair is exchanged. By arranging the pump body, the pump head body, the first plunger rod, the second plunger rod and the threaded butt joint groove, the risk that fluid generates critical state sudden change is reduced, and the identity of the shape of the conveying fluid left on the pump head is improved; the fluctuation amplitude of the flowing state of the conveying fluid with the different specifications is reduced, the axial movement noise is lowered, and the control precision of the conveying volume change of the micro-fluid used by the subsection plunger in an interchanging mode is improved. By arranging the pump body, the pump head body, the movable ring rod, the pressing piece, the guide groove, the movable ring groove and the guide sliding block, the risks of internal dislocation and power transmission disconnection of the interchangeable pump head are reduced, and the operation convenience of interchangeable use of the pump head is improved.

The utility model discloses a probe protection structure for endoscopy pore-forming quality, which comprises a steel outer shell, side ultrasonic probe mounting holes are respectively arranged at the top ends of two sides of the steel outer shell, an endoscope lens module is movably connected to the middle position of the bottom end of an endoscope mounting seat, and the endoscope lens module is connected with a probe. The bottom end of the outer portion of the steel outer shell is provided with a protection assembly facilitating protection of the endoscope. According to the probe protection structure for endoscopic inspection of the pore-forming quality, the steel protection disc and the high-strength glass cover are arranged, when the probe protection structure is used, the high-strength glass cover protects an endoscope lens module from being stained with mud, the steel protection disc can keep a distance from a hole wall while protecting the endoscope lens module, the influence of mud sputtering caused by collision is reduced, and the service life of the endoscope lens module is prolonged. The LED lamp panel in the lamp panel mounting groove can provide additional lighting conditions for the endoscope lens module, the function of enhancing lighting and blocking mud is achieved, and the problem that the device does not have the function of enhancing lighting and blocking mud is solved.

The utility model relates to the technical field of prestressed high-strength concrete piles, in particular to a prestressed high-strength concrete pile without end plate connection, which comprises a concrete pile and a first circular ring, the front surface of the concrete pile is fixedly connected with the rear end surface of the first circular ring, and the outer wall of the first circular ring is connected with a mounting structure. The rear end faces of the concrete piles are connected with second circular rings, the inner wall of the mounting structure is connected with a supporting structure, a bottom straight cylinder of a second concrete pile in the mounting structure is connected with the second circular rings mounted at the tops of the concrete piles in the foundation pit in an inserted mode, and then inserting rods on the inner wall of the straight cylinder are connected with notches in the outer walls of the second circular rings in an inserted mode. And then a bolt penetrates through the straight cylinder from outside to inside to be connected with a second circular opening of the second circular ring outer wall, butt joint of the concrete piles is completed, the contact area of the joint is increased, the end plate connection mode is changed, the butt joint stability of the prestressed high-strength concrete piles without end plate connection is improved, and potential safety hazards are eliminated.

The utility model discloses a solid wood furniture removable mortise and tenon joint structure, including wood beam A, wood beam B, insert block and round bar, wood beam A and wood beam B opposite end butt joint, wood beam A one end top is provided with the slot A, wood beam B one end top is provided with the slot B, the slot A and slot B butt joint and then communicate, the round bar is provided with the slot A, the slot B is provided with the slot A, the slot B is provided with the slot A, the slot B is provided with the slot B, and the round bar is provided with the slot A and the slot B. The insertion block can be inserted into the slot A and the slot B which are communicated with each other; a penetrating hole A is formed in the portion, at the bottom of the inserting groove A, of the wood beam A, a penetrating hole B is formed in the portion, at the bottom of the inserting groove B, of the wood beam B, the penetrating hole A and the penetrating hole B are communicated after being in butt joint, the round rod can penetrate through the penetrating hole A and the penetrating hole B which are communicated, and the round rod is matched with the inserted inserting block in a jacking mode. The device has the advantages that the inserted insertion block is ejected out in an ejection mode, and the wood beam A and the wood beam B are convenient to disassemble.

The stable-butt-joint cantilever AGV comprises a cantilever assembly and an angle adjusting mechanism, the cantilever assembly comprises a bearing frame and a cantilever, and the cantilever is rotatably connected to the bearing frame; the angle adjusting mechanism comprises an inductor, a controller and an angle adjusting assembly, and the controller is in electric connection or signal connection with the inductor and the angle adjusting assembly; the inductor can detect the inclination angle of the front end of the cantilever, the controller can receive inclination angle information of the front end of the cantilever and control the angle adjusting assembly to be started, and the angle adjusting assembly can drive the cantilever to rotate relative to the bearing frame so as to adjust the inclination angle of the front end of the cantilever and keep the front end of the cantilever horizontal. Stable butt joint between the cantilever and a machine table or a buffer frame and other butt joint structures is facilitated, the problem of deflection butt joint stability caused by the large load change interval between different working procedures is solved, in the material turnover switching process of the whole production working procedure from rolling discharging to winding feeding, stable butt joint of the cantilever AGV can be kept, and the production efficiency is improved. The equipment stability and the operation efficiency can be improved.

The utility model relates to a berthing structure of an offshore wind turbine generator and the offshore wind turbine generator. The berthing structure comprises two columnar samson posts, two hollow energy absorption structures and a connecting piece. The two energy absorption structures are detachably connected to one side of the foundation platform, the two energy absorption structures are oppositely arranged at intervals in the horizontal direction, the two samson posts are arranged in the height direction of the foundation platform and detachably connected to the sides, away from the foundation platform, of the two energy absorption structures correspondingly, and the two ends of the connecting piece are connected with the two samson posts correspondingly; the opposite faces of the two samson posts are arc-shaped faces, the two arc-shaped faces are arranged in a protruding mode in the direction away from each other, and the face, away from the foundation platform, of each samson post is an abutting plane used for abutting against a fender on the side of a ship, so that the contact area between the samson posts and the ship to be moored is increased, more berthing impact force can be absorbed, and the ship berthing effect is improved. The bearing capacity is high, the energy absorption and shock absorption effects and the buffering effect on the ship are good, and the berthing stability of the ship is improved.

The utility model relates to the technical field of iron fluorine dragon pipe, specifically disclose a kind of high-temperature-resistant and anti-deformation iron fluorine dragon pipe, including iron fluorine dragon pipe body, the outer wall of iron fluorine dragon pipe body is evenly provided with annular groove, the inner wall of annular groove is evenly distributed with multiple positioning columns, the outer wall of iron fluorine dragon pipe body, and evenly provided with the insertion hole between the adjacent two annular grooves, the utility model is provided with iron fluorine dragon pipe body, annular groove, positioning column and insertion hole in a kind of high-temperature-resistant and anti-deformation iron fluorine dragon pipe, when the device is docked by the mutual cooperation between above-mentioned structure, reaches when the docking two iron fluorine dragon pipe bodies, strengthens the effect of reducing the deviation between the docking stability of two iron fluorine dragon pipe bodies.

The invention discloses a detachable movable ring pump head of a magnetic suction segmented plunger rod, relates to the technical field of plunger pumps, and aims to solve the problems that the energy efficiency utilization rate of a plunger pump is low, the repeatability of fluid conveying conditions is poor, and the fluid conveying state is damaged by exchange of a plunger friction pair. The pump body, the pump head body, the first plunger rod, the second plunger rod and the magnetic attraction block are mainly arranged, so that the strength of the pump body and the design redundancy of power are reduced, and the energy consumption of fluid conveying is reduced; the identity of the shape of the conveying fluid left on the pump head is improved, and the fluctuation amplitude of the flowing state of the conveying fluid with the changed specifications is reduced. By arranging the pump body, the pump head body, the movable ring rod, the pressing piece, the guide groove, the movable ring groove and the guide sliding block, the butt joint stability of the segmented plunger rods is improved, the risks of internal dislocation and power transmission disconnection of the interchange pump head are reduced, the operation convenience of interchange use of the pump head is improved, and the state monitoring convenience of the interchange pump head is improved.

The present invention relates to a high-speed bead planting machine, including a frame, a lifting mechanism, a mounting plate and a gas distribution mechanism installed on the frame, and also including a lossless material distribution component, a bead taking component and a bead planting component. The bead taking component includes a first driving motor, a base and a bead taking plate. A material bin for accommodating bursting beads is formed between the base and the bead taking plate. The lower end discharge port of the lossless material distribution component penetrates the base and is connected to the material bin. The base is provided with a bulging channel for decelerating the bursting beads in the material bin. The edge of the bead taking plate is provided with a material storage channel, a material selection tooth for accelerating the bursting beads and an air passage for blowing air to generate disturbances on the bursting beads. The bead planting component includes a second driving motor, a gas distribution plate and a bead planting plate. The bead planting plate is connected to the edge of the bead taking plate to transport the bursting beads. The advantage is that the improved bead taking component can effectively destroy the bridging phenomenon of bursting beads during high-speed operation. The improvement of lossless material distribution and material distribution guard plate can ensure the use of domestic bursting beads for production, and ultra-high-speed production operation of 420m / min can be achieved.

The invention relates to the technical field of busbars, and discloses a fully enclosed power transmission busbar system based on resin casting, which solves the problem that the busbars are misaligned due to inaccurate busbar positioning when they are butt-jointed, and that if the busbars are not fixed after installation, the busbars will be pulled by the outside world, which increases the possibility of fracture at the connection, thereby affecting the connection quality and connection efficiency of the busbars. The system comprises a protective shell, a busbar 1 and a busbar 2, wherein openings are provided at the middle positions of both ends of the protective shell, and the inner walls of the openings are provided with first internal thread grooves, wherein the interior of one of the openings is equidistantly interspersed with the busbar 1, and the interior of the other opening is equidistantly interspersed with the busbar 2; through the action of an adjusting mechanism, the busbar 1 and the busbar 2 are effectively fixed and clamped, thereby reducing the possibility of fracture at the connection of the busbar 1 and the busbar 2 due to external pulling, thereby improving the installation stability of the busbar 1 and the busbar 2.

This utility model discloses a high-temperature resistant stainless steel pipe, comprising two sets of high-temperature resistant stainless steel pipe bodies symmetrically arranged in the left-right direction. A connecting ring is fixed to one end of each high-temperature resistant stainless steel pipe body that is close to the other. A reinforcing pipe is inserted into one end of each high-temperature resistant stainless steel pipe body that is close to the other. A positioning ring is fixed in the middle of the reinforcing pipe. The positioning ring is equipped with a self-locking component that works in conjunction with the connecting ring. This utility model effectively supports the connection point between the two sets of high-temperature resistant stainless steel pipe bodies by setting a self-locking component and using a reinforcing pipe. This allows for quick and easy connection and fixation of the two sets of high-temperature resistant stainless steel pipe bodies by a snap-fit ​​connection method, while ensuring connection stability. The entire connection process is simple and convenient, requiring only a snap-fit ​​connection. This not only improves connection efficiency but also reinforces the connection point of the two sets of high-temperature resistant stainless steel pipe bodies, preventing breakage and avoiding safety hazards.

The utility model relates to the technical field of MPP electric power pipes, in particular to an anti-corrosion MPP electric power pipe which comprises a lantern ring, the outer wall of the lantern ring is connected with a fixing structure, the rear portion of the inner wall of the lantern ring is connected with a protection structure, the inner wall of the protection structure is connected with an insulating layer, and the right side of the fixing structure is connected with a groove plate. The inner wall of an arc plate in the fixing structure is attached to the top of the outer wall of a lantern ring, then bolts are in threaded connection with the left side and the right side of the top of the arc plate correspondingly, the bolts on the two sides do not need to be singly screwed, the bolts on the right side are rotated by two circles after the bolts on the left side are rotated by two circles, it is guaranteed that the bolts descend consistently, and deviation and jamming are prevented; and when the bolt is inserted into the sleeve ring, the outer wall of the bolt completely enters the round opening in the top of the base, then the base is matched with the arc plate to clamp the sleeve ring, the inserted electric power pipe is prevented from being separated, the connection strength of the sleeve ring is improved, the butt joint stability of the MPP electric power pipe is improved, and the protection effect of the MPP electric power pipe is improved.