36results about How to "Act as a support limit" patented technology

The invention discloses a wood chip collecting device for wood cutting. The wood chip collecting device for wood cutting comprises a base plate. A connection plate is fixedly connected with the left side of the top of the base plate. The top of the right side of the connection plate is fixedly connected with a supporting plate. A blade shell is fixedly connected with the right side of the bottom of the supporting plate. The bottom of the inner wall of the blade shell is movably connected with a cutting blade. The bottom of the cutting blade penetrates through the blade shell and extends to theoutside of the blade shell. Through mutual cooperation of a rotation motor, a rotation rotating shaft, a rotating disk, a first connection shaft, a connection rod, a second connection shaft, a supporting block, a moving plate, telescopic rods, a limiting plate, a sliding groove, a second fixing block, a second rotating shaft, an adjusting rod, a third rotating shaft, a third fixing block, a firstfixing block, a first rotating shaft, an adjusting plate and a wood chip box, the effect that wood chips are conveniently collected is achieved, the problem that by the adoption of a wood cutting device, the wood chips are inconvenient to collect is solved, the work efficiency is improved, the influence on the environment is reduced, the service life of equipment is prolonged, and great convenience is brought to a user.

The invention relates to a convenient-to-load / unload plant protection unmanned aerial vehicle with wide spraying range, includes a main body, a base, a medicine storage box, four propellers, and fourbrackets, and also includes a loading and unloading mechanism and four rotating mechanisms, the load and unloading mechanism includes a drive assembly, two electromagnets and two loading and unloadingassemblies, a load and unloading assembly includes a fixing block, two locking units and at least two first springs, the locking unit comprises a sleeve, a second spring and a ball, the rotation mechanism comprises a spray head, a rotating shaft, a lifting assembly and two support plates, a lifting assembly includes a lifting unit, a telescopic frame, a roof board, a driving block and two movingblocks. The loading and unloading of the medicine storage box is facilitated through the loading and unloading mechanism, thereby improving the convenience of the plant protection unmanned aerial vehicle; and the angle of the spraying head is adjusted through the rotating mechanism, so that the plant protection unmanned aerial vehicle can spray the medicine liquid on the dead corner when hovering,thereby expanding the spraying range of the plant protection unmanned aerial vehicle.

The invention discloses a multi-stage vibration type screening device for tobacco processing. The multi-stage vibration type screening device comprises a box body, wherein a plurality of screening buckets are arranged in the box body, the screening buckets are arranged up and down, the left ends of the screening buckets are fixedly connected with connecting rods, the tail ends of the connecting rods are provided with hinge shafts I, hinge rods are hinged between the upper hinge shaft I and the lower hinge shaft I, the right ends of the screening buckets are provided with hinge shafts II, a fixing rod is hinged to each hinge shaft II, the tail end of each fixing rod is fixedly connected to the inner side wall of the box body, a sliding groove is formed in the top end of the interior of the box body, a sliding block is installed in the sliding groove in a sliding manner, the sliding block is fixedly connected with a telescopic rod, and the tail end of the telescopic rod is fixedly connected to the uppermost hinge shaft I. By arranging the telescopic rod, tobaccos are placed in the uppermost screening bucket, the telescopic rod is stretched and contracted in a reciprocating manner, the left ends of the screen buckets move up and down in a reciprocating manner, the tobaccos in the screening buckets can move left and right in a reciprocating manner, multi-stage screening is conducted on the tobaccos through the screen buckets, and the screening efficiency and quality are improved.

The invention discloses a cylindrical roller bearing and a retainer treatment process thereof, relates to the field of bearings, and aims to solve the problems that a large amount of materials are wasted and the lubrication degree of a bearing is poor due to the fact that an existing retainer is large in thickness. The technical scheme key point is that the cylindrical roller bearing comprises aninner ring, an outer ring with an annular slideway formed in an inner wall; a plurality of cylindrical rollers; and a retainer which comprises a cylindrical retainer body, a plurality of retaining holes which are evenly distributed and used for installing cylindrical rollers are formed in a circumferential direction of the retainer body, wherein two sides of each retaining hole are fixedly connected with limiting pieces, and the distance between the two limiting pieces is gradually decreased in an axis direction of the retainer body; opposite faces of the limiting pieces located on the two sides of the same retaining hole are provided with arc-shaped retaining faces used for abutting against the cylindrical rollers, and guide faces used for facilitating clamping-in of the cylindrical rollers are formed on the sides, close to the axis of the retainer body, of the limiting pieces. The cylindrical roller bearing can save material and is convenient for lubricating.

The invention discloses a stacked oil-cooler vacuum brazing clamp, belongs to a vacuum brazing clamp, and aims at providing the vacuum brazing clamp capable of efficiently improving the brazing qualification rate. The vacuum brazing clamp comprises a positioning assembly and a pressing assembly, wherein the positioning assembly is composed of a supporting block (7), a positioning pin (8) and threestep-shaped supporting shafts (5), wherein the supporting block (7) and the positioning pin (8) are fixed on the surface of lower channel steel (6), the step-shaped supporting shafts (5) are fixed onthe surface of lower channel steel (6), and the three supporting shafts (5) are distributed in a triangular manner; and the pressing assembly is composed of upper channel steel (1) supported on the three supporting rods (5), studs (12) which upwards penetrate through the upper channel steel and are connected with nuts, pressing plates (9) which are fixed at the lower ends of all the studs (12) and springs (2) which are positioned between the pressing plates and the upper channel steel (1) and arranged on the corresponding studs (12). The vacuum brazing clamp for an oil cooler is simple in structure and convenient to operate.

The invention belongs to the technical field of mounting boxes, in particular to an electronic communication equipment mounting box, which includes a support base, a mounting box, a support bar; underthe normal condition, that the support rod and the mounting box can keep the stable state without being impacted by the triggering mechanism, the limiting disk, the universal joint and the limiting mechanism, but the ordinary mounting box may be damaged when being impacted, and the signal transmission line in the mounting box is pulled out; When the mounting box is impacted, the mounting box andthe support rod will move horizontally in the impacted direction; As that support rod is disengage from the inner re of the universal joint under the action of the impact force, the mounting box is prevented from being damaged by the large impact force directly, the mounting box is protected, and the mounting box can be prevented from moving under the driving of the impact object, and the signal transmission line in the mounting box is pulled out; At that same time, the universal joint swing with the support rod so as to facilitate the support rod to smoothly disengage from the base.

The invention relates to an automatic polishing chamfering machine of a table board. The automatic polishing chamfering machine comprises a rack and a distribution control box. The rack is uniformly provided with polishing chamfering devices, each polishing chamfering device comprises an abrasive belt which is arranged on the rack and is upwards inclined from front to back, and a feeding mechanism matched with the table board and making the table board be fed in a front-rear horizontal manner is arranged in a gap between every two adjacent abrasive belts; and each feeding mechanism comprises a feeding device arranged on the rack and being capable of performing front-rear feeding, each feeding device is provided with a feeding clamper matched with the table board, and the feeding devices and the feeding clampers are connected to the distribution control box. According to the automatic polishing chamfering machine of the table board, the abrasive belts which are arranged in an inclined manner are adopted as the polishing chamfering devices in cooperation with the feeding mechanisms capable of making the table board be fed in a horizontal front-rear manner to achieve fixed-angle chamfering of the table board, chamfering efficiency is improved, the situation that abrasive belts are loose is avoided, and consistency of polishing chamfering is guaranteed.

The invention discloses a cutting device for range hood front glass plate processing and production. The cutting device comprises a cutting platform, a feeding rack and cutting mechanisms, wherein a moving chute is formed in the bottom of the cutting platform; two cutting grooves are formed in the top surface of the left end of the cutting platform; a holding rack is arranged at the bottom of theright end of the cutting platform; a push chute is formed in the holding rack; two push components are arranged on the top surface of the holding rack; two cutting mechanisms are provided; the two cutting mechanisms correspond to the two cutting grooves respectively; the cutting mechanisms are positioned above the cutting platform. The invention provides the cutting device for range hood front glass plate processing and production, the cutting device is reasonable in overall structural design, and due to the design of the two cutting components, two raw material plates can be cut simultaneously, so that the working efficiency of the cutting device can be effectively improved; moreover, as the feeding rack is adopted to feed materials, the operation security can be improved, the working intensity of operators can be alleviated, the working efficiency can be improved, and operation can be automatically implemented.

The invention relates to a tower device used for radio communication, in particular to a mechanism for regulating bodies of a communication lift tower. The mechanism for adjusting the bodies of the communication lift tower comprises a guiding regulating device which is arranged on the upper surface of each tower body section formed by vertical side columns in a surrounding way, wherein each guiding regulating device comprises a fixed seat, at least one sliding block fixing frame fixed on the fixed seat, a first sliding block arranged on the sliding block fixing frame and a locking mechanism used for fixing the first sliding block, the side columns of the tower body can slide up and down along the first block on an another adjacent tower body, and the two ends of the first sliding block are connected with the sliding block fixing frame in a sliding way. The mechanism provided by the invention is applied to the bodies of the communication lift tower which are successively sheathed and has the beneficial effects that the bodies of the lift tower are convenient to mount, guiding action on the tower bodies in a tower body lifting process can be realized and verticality of the tower body can be effectively regulated.

The invention relates to a cup-adjustable high pressure filtering device for coffee maker, comprising a filter bowl and a filter cover. A diversion hole is arranged on the bottom of the filter bowl and the filter cover is provided with periphery folding upwards. A plurality of filtration holes are distributed evenly on the bottom of the filter cover. The high pressure filtering device is characterized in that the filter cover is matched with the filter bowl in a detachable mode and vertical through grooves are arranged on the outer wall of the filter cover periphery; at least two groups of projections are arranged on the inner wall of the filter bowl, which can insert into and move along the vertical through grooves of the filter cover, wherein, the each group of projections are arranged in the same horizontal circumference of the inner wall of the filter cover. The invention utilizes the through grooves and the projections arranged between the filter cover and the filter bowl to form a detachable match by inserting mutually and moving relatively, and uses the supporting limit to the filter cover coming from the next group of projections, so can adjust the coffee cups in a single filtering device. The cup-adjustable high pressure filtering device has the advantages of good economy and good convenience.

The invention relates to washing equipment, in particular to traffic light pole washing equipment. The technical purpose is to provide the traffic light pole washing equipment which conducts washing conveniently. To achieve the technical purpose, the traffic light pole washing equipment comprises a bottom plate, wheels and the like. The wheels are arranged on the bottom of the bottom plate in a left-right symmetric manner. A push rod is arranged on the left side of the top of the bottom plate. A water supply device is arranged on the top of the part, on the right side of the push rod, of the bottom plate. A bearing pedestal is arranged on the right side of the top of the bottom plate, and the bearing pedestal is internally provided with a first rotating shaft. A spray head is arranged on the upper portion of the right side of the first rotating shaft. The bottom of the spray head is connected with the water supply device. A lifting device is arranged on the left side of the first rotating shaft. According to the traffic light pole washing equipment, firstly, a traffic light pole is sprayed wet, the lifting device drives an arc-shaped wiping block to wipe and wash the traffic lightpole up and down, the wheels are fixed by pushing an L-shaped plate leftwards and rightwards, the stability of the traffic light pole washing equipment in the washing process is guaranteed, and operation is also very easy, convenient and rapid.

The invention discloses a novel lifting type zero-sticking block structure. The novel lifting type zero-sticking block structure comprises a zero sticking block installed on an inspection body, a mounting hole is formed in the inspection body, the zero sticking block is located on the mounting hole, a first sliding groove and a limiting cavity are formed in the mounting hole, the first sliding groove and the limiting cavity are in communication with each other, a mounting block is arranged in the limiting cavity, a limiting rod is fixedly mounted on the mounting block, an L-shaped sliding groove is formed in the inspection body, the L-shaped sliding groove and the mounting hole are in communication with each other, and one end of the limiting rod penetrates through the mounting block and the L-shaped sliding groove and extends to the outside of the inspection body, and a limiting block is fixedly installed on the inspection body. The structure has the advantages that the zero stickingblocks do not need to be disassembled, the loss is avoided, the zero sticking blocks do not need to be disassembled and assembled for many times, the machining precision can be guaranteed only when the parts are machined, and the requirement for interchangeability is not high.

The invention provides an edge beam type automobile frame applied to the field of automobile chassis parts. A left front reinforcing block (23) welded to the outer side face of a left longitudinal beam (1) is simultaneously welded to the end of a left front connecting rod (14) penetrating through the left front reinforcing block (23). A right front reinforcing block (24) welded to the outer side face of a right longitudinal beam (2) is simultaneously welded to the end of a right front connecting rod (15) penetrating through the right front reinforcing block (24). The edge beam type automobileframe is simple in structure, connection between the longitudinal beams and crossbeams can be stably and reliably achieved, the overall rigidity of the automobile frame is effectively improved, the automobile frame cannot deform when bearing a large load or large impact in the traveling process, the problem that the portions of welding joints crack can be solved, and the bearing force is increased.

The invention relates to a cup-adjustable high pressure filtering device for coffee maker, comprising a filter bowl and a filter cover. A diversion hole is arranged on the bottom of the filter bowl and the filter cover is provided with periphery folding upwards. A plurality of filtration holes are distributed evenly on the bottom of the filter cover. The high pressure filtering device is characterized in that the filter cover is matched with the filter bowl in a detachable mode and vertical through grooves are arranged on the outer wall of the filter cover periphery; at least two groups of projections are arranged on the inner wall of the filter bowl, which can insert into and move along the vertical through grooves of the filter cover, wherein, the each group of projections are arranged in the same horizontal circumference of the inner wall of the filter cover. The invention utilizes the through grooves and the projections arranged between the filter cover and the filter bowl to forma detachable match by inserting mutually and moving relatively, and uses the supporting limit to the filter cover coming from the next group of projections, so can adjust the coffee cups in a single filtering device. The cup-adjustable high pressure filtering device has the advantages of good economy and good convenience.

The invention discloses an adjusting control device for nuclear power plant water treatment water intake. The device comprises a concrete base, an isolation net, a connecting bearing, a transmission chain and a clamping base. The isolation net is fixedly mounted on the inner side of the concrete base, a protection steel wire net is fixed to the bottom face of the concrete base, the clamping base is fixedly mounted beside the protection steel wire net, a top horizontal rod is fixed to the top of a control plate, a side gear is mounted on the side wall of the concrete base, the side gear is connected with a movable plate, and the movable plate is mounted on the side wall of the concrete base. According to the adjusting control device for the nuclear power plant water treatment water intake,novel structural design is adopted, according to the changes of tide water levels of daytime and night, the water intake structure is subjected to automatic adjusting and control, it is ensured that when the water levels are different, , the change of the volume of sea water finally entering a water treatment device through the water intake in the unit time is not large, under the high water levelstate, the adjusting control structure is adjusted, and the whole device can be used for a long time stably.

The invention discloses a multi-stage vibratory screening device for tobacco processing, which comprises a box body. The box body is provided with a plurality of screen buckets, and the screen buckets are placed up and down. The left end of the screen bucket is fixedly connected with a connecting rod, and the end of the connecting rod is Hinge shaft 1 is provided, and a hinge rod is hinged between the upper and lower hinge shafts. The right end of the screen bucket is provided with hinge shaft 2. The hinge shaft 2 is hinged with a fixed rod. There is a chute on the top of the inside of the box, and a slider is slidably installed in the chute. The slider is fixedly connected to a telescopic rod, and the end of the telescopic rod is fixedly connected to the uppermost hinge shaft 1; by setting the telescopic rod, the tobacco is placed on the top In the sieve bucket, the telescopic rod is reciprocally extended and contracted to make the left end of the sieve bucket reciprocate up and down, so that the tobacco in the sieve bucket can reciprocate left and right, and the tobacco can be screened in multiple stages through the sieve bucket to improve the screening efficiency and quality.

The invention discloses a steel tube color ring coating device. The steel tube color ring coating device comprises a bottom plate, wherein a limiting plate is fixedly connected to the left side of thetop of the bottom plate, the right side of the limiting plate is movably connected with a mounting shell, and mounting blocks are fixedly connected to the top and the bottom of the left side of the inner wall of the mounting shell correspondingly, the right sides of the mounting blocks are fixedly connected with buffer springs, the right sides of the two buffer springs are fixedly connected through a stretching plate, and the top and the bottom of the stretching plate are in mutual contact with the inner wall of the mounting shell. According to the steel tube color ring coating device, a rotating motor, a rotating shaft, a second rotating shaft, a first connecting shaft, a first rotating shaft, a fixing groove, a first clamping block, a second clamping block, a first connecting rod, a second connecting rod, a rolling steel ball, a rotating disc, a second fixing block, a connecting plate, a first supporting plate, a stabilizing plate, a fixing plate, the stretching plate, the mountingshell, a stretching rod and a fixed handle are coordinated mutually, so that the effect of high working efficiency is achieved, the working time is greatly shortened, the working efficiency is improved, and great convenience is brought to users.

The cutting mechanism discloses a cutting device for the processing and production of the front glass panel of the range hood, which includes a cutting table, a feeding frame and a cutting mechanism. The bottom of the cutting table is provided with a moving chute. There are 2 cutting grooves, a placement frame is provided at the bottom of the right end of the cutting table, a push chute is provided on the placement frame, 2 push assemblies are provided on the top surface of the placement frame, and there are 2 cutting mechanisms, 2 The cutting mechanism corresponds to the two cutting grooves respectively, and the cutting mechanism is located above the cutting table. The invention provides a cutting device for the processing and production of the front glass panel of the range hood. The design of the overall structure is reasonable. Through the design of two cutting components, two raw material panels can be cut at the same time, which effectively speeds up the working efficiency of the cutting device. At the same time, feeding through the feeding rack can not only improve the safety performance of the operation, reduce the labor intensity, but also speed up the work efficiency and make the operation more automatic.

The invention discloses a fixing device for hollow shaft processing equipment. The fixing device comprises guide columns, an upper processing mechanism, a lower movable table and a support mechanism;four guide columns are vertically fixed on the ground to form a cube structure; the lower movable table is sleeved on the guide columns, and is connected to a connecting hose for driving the lower movable table to move up and down; the support mechanism is detachably mounted on the front surface of the lower movable table, and can support and limit the connecting hose; the support mechanism includes mounting plates, a support assembly and a rolling assembly; and two mounting plates are fixed on the front surface of the lower movable table through screws and positioned on the two sides of the connecting hose. Through arrangement of the support mechanism, the longer connecting hose can be supported and limited to prevent the surface wear caused by continuous friction; meanwhile, the connecting hose is prevented from overlapping and pressing under the movable table to damage; and the whole mechanism does not influence normal work of the whole processing equipment.

The invention discloses a large barrel forklift overturning device and a working method thereof, and relates to the technical field of large barrel overturning equipment. The device comprises a chassis; the chassis is fixedly connected with two upright posts that are arranged symmetrically; an overturning frame is movably connected between the two upright posts through an overturning shaft; the bottom of the overturning frame is fixedly connected with a barrel bottom tray through a horizontally arranged transverse rod; the top of the overturning frame is connected with a channeling preventionhook; one end, close to the barrel bottom tray, of the channeling prevention hook is of a bending structure; the other end of the channeling prevention hook is of a horizontally arranged strip-shapedstructure; a plurality of supporting wheels are symmetrically arranged on the overturning frame; and the supporting wheels are of vertically arranged cylindrical structures. By combining the large barrel forklift overturning device and the working method thereof provided by the invention, a large barrel is overturned quickly, safely and efficiently by a forklift.

The invention provides a motor vehicle frame structure which is applied to the field of vehicle chassis parts. A front left hole (5) is formed in the front portion of a left longitudinal beam (1) of the motor vehicle frame structure, and a front right hole (6) is formed in the front portion of a right longitudinal beam (2); one end of a front cross beam (3) penetrates through the front left hole (5), and the other end of the front cross beam (3) penetrates through the front right hole (6); and a front left protruded block (31) arranged on the upper surface of the front portion of the left longitudinal beam (1) is arranged on the position, located above the front left hole (5), of the left longitudinal beam (1), and a front right protruded block (32) arranged on the upper surface of the front portion of the right longitudinal beam (2) is arranged on the position, located above the front right hole (6), of the right longitudinal beam (2). According to the motor vehicle frame structure, the structure is simple, the integral rigidity of a vehicle frame can be effectively improved, when large loads or impact are borne by the vehicle frame in the travelling process, the problems that thevehicle frame deforms, and welding joints crack can be avoided, the bearing capacity is effectively improved, and the safety accident is avoided.

The invention relates to an automatic polishing chamfering machine of a table board. The automatic polishing chamfering machine comprises a rack and a distribution control box. The rack is uniformly provided with polishing chamfering devices, each polishing chamfering device comprises an abrasive belt which is arranged on the rack and is upwards inclined from front to back, and a feeding mechanism matched with the table board and making the table board be fed in a front-rear horizontal manner is arranged in a gap between every two adjacent abrasive belts; and each feeding mechanism comprises a feeding device arranged on the rack and being capable of performing front-rear feeding, each feeding device is provided with a feeding clamper matched with the table board, and the feeding devices and the feeding clampers are connected to the distribution control box. According to the automatic polishing chamfering machine of the table board, the abrasive belts which are arranged in an inclined manner are adopted as the polishing chamfering devices in cooperation with the feeding mechanisms capable of making the table board be fed in a horizontal front-rear manner to achieve fixed-angle chamfering of the table board, chamfering efficiency is improved, the situation that abrasive belts are loose is avoided, and consistency of polishing chamfering is guaranteed.

The invention discloses an automobile warning board. The automobile warning board comprises a frame and an adjusting supporting structure; the frame comprises three plate bodies which are connected with each other and enclose a triangle; warning signs are respectively bonded on the three plate bodies; a movable plate is connected to the frame in a turnover manner; a warning sign is arranged on themovable plate; and the frame can position the movable plate by using a locking structure. According to the automobile warning board, by arranging the movable plate capable of freely turning over, themovable plate can be turned over upwards and positioned by using the locking structure when the triangular frame is placed on a road surface under a supporting effect of the adjusting supporting structure; therefore, the height of the whole warning board is increased so that the warning board is easier for drivers of passing vehicles to found so as to guarantee a better warning effect; and when the warning board is put up and placed, the movable plate can also be turned over downwards so that the movable plate adjoins to the frame; and therefore, the space occupied by the warning board duringplacing is reduced and the placing is convenient.

The invention belongs to the technical field of building construction, and particularly relates to a rainwater and sewage diversion sleeve for buildings. The rainwater and sewage diversion sleeve comprises a rainwater pipe and a sewage discharge pipe, the rainwater pipe is formed by fixedly sleeving a plurality of outer pipelines, outer tee joints and outer elbows, and the sewage discharge pipe is formed by fixedly sleeving a plurality of inner pipelines, inner tee joints and inner elbows. Supporting frames sleeve the outer sides of the inner pipelines at equal intervals in sequence, the outer tee joints and the inner tee joints are provided with outer connecting openings and inner connecting openings which fixedly sleeve connectors separately, the connectors comprise inner connectors and outer sealing plates, and rainwater pipe sealing heads fixedly sleeve the bottom end of the rainwater pipe and the bottom end of the sewage discharge pipe. The rainwater pipe is arranged on the outer side of the sewage discharge pipe to distribute rainwater and sewage, discharge of solid waste in the sewage discharge pipe is prevented from being affected, better practical value is achieved, the rainwater pipe and the sewage discharge pipe are convenient to install, stable in connection and low in cost, and the supporting frames play a role in absorbing water flow potential energy while playing a supporting role; and the sewage discharge pipe is prevented from shaking, impacting and being damaged in the rainwater pipe.

The invention belongs to the technical field of relays, and particularly relates to an electromagnetic relay. The electromagnetic relay comprises a relay main body, a display screen and a wiring board, wherein the display screen is installed on the relay main body, and the wiring board is located below the relay main body; a rear cover, an upper cover and a lower cover are arranged outside the relay main body and the wiring board; U-shaped sliding grooves are symmetrically formed in the left and right ends of the rear cover; a fixing block with a built-in cavity is arranged at the end part ofthe lower end of the U-shaped sliding groove; and an inserting module arranged in the cavity of the fixing block is used for being movably connected with the lower cover. According to the invention, aprotection device of the relay can be disassembled or replaced more conveniently, the protection device is not prone to being damaged in the replacement process, and the safety of the maintenance process is improved.

The invention discloses a sealing detection tool for a pipeline with a hose, and the tool comprises a workbench, a profiling positioning part, a first sealing part, a second sealing part, an inflationpipe, and a water pool, the workbench can be vertically and movably disposed right above the water pool, the profiling positioning part is used for positioning the pipeline at the upper end of the workbench, and the first sealing part is used for sealing a pipe joint; the second sealing part comprises a fixed frame, a movable rod and a sealing soft sleeve, the fixed frame is arranged at the upperend of the workbench, a containing groove is formed in the fixed frame, and a through hole is formed in the bottom in the containing groove; the movable rod is arranged in the through hole in an axial sliding mode, a limiting part is arranged at the end, close to the containing groove, of the movable rod in a radial protruding mode, an air inlet channel is axially formed in the movable rod in a penetrating mode, and the end, away from the limiting part, of the air inlet channel communicates with the inflation pipe; the sealing soft sleeve is coaxially arranged on the movable rod in a sleevingmode. When the sealing performance of the pipeline is detected, operation is convenient, efficiency is high, stability is high, the percent of pass of products is improved, replacement is convenient,cost is low, and the air leakage position of the pipeline can be accurately judged.

The invention provides an automobile frame structure applied to the field of automobile chassis parts. One end of a front cross beam (3) of the automobile frame structure penetrates through a front left hole (5), and the other end of the front cross beam (3) penetrates through a front right hole (6); front left triangular blocks (7) are welded to the positions of the inner side face of a left longitudinal beam (1) and one end of the front cross beam (3), and front right triangular blocks (8) are welded to the inner side face of a right longitudinal beam (2) and the other end of the front crossbeam (3); one end of a rear cross beam (4) penetrates through a rear left hole (9), and the other end of the rear cross beam (4) penetrates through a rear right hole (10); and rear left triangular blocks (11) are welded to the positions of the inner side face of the left longitudinal beam (1) and one end of the rear cross beam (4), and rear right triangular blocks (12) are welded to the inner side face of the right longitudinal beam (2) and the other end of the rear cross beam (4). The automobile frame structure is simple in structure and cannot deform when an automobile frame bears large load or impact during travelling, the problem of cracking of welding joint parts does not occur, and bearing capability is effectively improved.

The invention provides an ecological wall structure for garden engineering. The ecological wall structure includes a locking bolt, H-shaped supporting frames, a threaded inserting rod, a sealing waterplug, a water suction hole, a cylindrical flowerpot, a transversely-placed support inserting plate, a flowerpot-supporting-plate support rod, a flowerpot supporting plate, a central inserting pipe, acentral inserting groove, a vertical inserting plate, a flowerpot-press-ring support rod and a flowerpot press ring. The end faces of the inner sides of two support rods of the support frame are provided with T-shaped slide grooves, and the T-shaped slide grooves extend to the bottom side of the bottommost hanging hole; the five H-shaped supporting frames correspond to the five sets of hanging holes symmetrical left and right and are arranged up and down. Through the arrangement of the T-shaped slide grooves, two of the T-shaped slide grooves can support and limit the H-shaped supporting frames in the forward and backward directions, the situation that support plates transversely placed and connected with the tops of the H-shaped supporting frames under violent attack of strong wind are blown down and contorted and deform is avoided, and supporting structures of the H-shaped supporting frames are destroyed.

The invention discloses equipment for preventing filler in an MBBR (Moving Bed Biofilm Reactor) pond from flowing into a secondary sedimentation tank. The equipment comprises a fixed plate, support plates, a connecting plate and a sloping plate, wherein a drainage hole is formed in the plate surface of the fixed plate; the axis of the drainage hole is perpendicular to the fixed plate; two supportplates are arranged in parallel and perpendicular to the fixed plate; one end of each of the support plates is connected with the fixed plate; the drainage hole, the connecting plate and the sloping plate are all located between the support plates; the connecting plate is perpendicular to the fixed plate and the support plates at the same time; one end of the connecting plate is connected with oneend which is close to the bottom surface on the plate surface of the fixed plate, and the other end of the connecting plate is hinged to one end of the sloping plate; the hinging axis is perpendicular to the support plates; the sloping plate is a filler filter plate; one end which is far away from a hinging position passes through the space between the support plates; the two ends of the slopingplate are in contact with one support plate respectively. By adopting the equipment, filler is intercepted in the MBBR pond through the sloping plate, so that the filler is prevented from flowing intothe secondary sedimentation pond along with water current, and the growth of living beings on an ecological filter bed and separation of mud and water in the secondary sedimentation pond are facilitated.