34results about How to "Avoid approaching" patented technology

The utility model relates to incinerator cleaning technical field especially, relates to a kind of ash removal device of incinerator with protective structure, including spray pipe;Further including adjusting assembly, the outer end of spray pipe is provided with adjusting assembly, adjusting assembly includes limit tube, movable slot, movable block, toothed plate, motor, gear, handle, bottom support and controller, the outer end of limit tube is connected with limit tube, movable slot is opened in the outer end of limit tube, movable block is slidably connected in the outer end of movable slot, the bottom of movable slot is connected with toothed plate, the left end of movable block is connected with motor;The utility model is started motor by setting adjusting assembly, motor drives gear rotation, gear moves on toothed plate, and further handle is adjusted to the front side of spray pipe, then spray pipe is aligned incinerator, again by controller motor drives gear reverses, and further spray pipe is inserted into incinerator, avoid staff approaching incinerator, improve security.

The utility model relates to the technical field of power construction, and discloses a power construction operation platform which comprises a moving trolley, a scissor type lifting frame is arranged on the upper surface of the moving trolley, a supporting platform is arranged on the upper surface of the scissor type lifting frame, a guardrail is fixedly connected to the upper surface of the supporting platform, and a protection supporting assembly is installed on the outer side of the guardrail. The protective supporting assembly comprises a connecting plate, one side of the outer wall of the connecting plate is fixedly connected to one side of the outer wall of the guardrail, a hinge seat is fixedly connected to the upper surface of the connecting plate, a hinge block is rotatably connected to the interior of the hinge seat, a supporting plate is fixedly connected to the upper surface of the hinge block, and a supporting net is fixedly connected to the interior of the supporting plate. The height of the supporting platform is adjusted through the scissor type lifting frame, the hydraulic rod drives the sliding block to enable the supporting plate to rotate and unfold, the supporting area is enlarged, and construction of operators is facilitated; tools can be placed above the supporting net, and the storage box in the storage box facilitates storage of maintenance tools, so that the practicability of the platform is improved.

The utility model discloses a Mark point structure, which adopts at least two rectangular parts which are arranged in a crossed manner to form a bonding pad area, and compared with a traditional circular structure, the composite geometric shape of the bonding pad area can provide higher feature vector dimension in a machine vision system, the HOG feature value is improved by at least 30%, the algorithm identification accuracy is greatly improved, and the reliability of the structure is improved. Especially in a high-density BGA packaging area, the positioning precision of the center coordinates of the cross points can reach + / -0.01 mm, the identification degree of the Mark points on the PCB is greatly improved, and the problem that the Mark points are difficult to distinguish due to the low identification degree is effectively solved.

The utility model relates to the field of equipment protection fences, and discloses a foldable equipment protection fence which comprises an equipment machine, a connecting mechanism and a fixing mechanism are arranged on the outer wall of the equipment machine, the connecting mechanism comprises a side frame, the outer wall of the side frame is fixedly connected with a first connecting rod, the outer wall of the side frame is in contact with a connecting frame, and the connecting frame is fixedly connected with a second connecting rod. A second connecting rod is fixedly connected to the outer wall of the connecting frame, a connecting block is fixedly connected to the side, close to the connecting frame, of the side frame, a clamping groove is formed in the inner wall of the connecting block, and a connecting groove is formed in the side, close to the side frame, of the connecting frame. According to the utility model, through the arrangement of the connecting mechanism, modularized connection and fixation can be rapidly realized, the complexity and the time cost in the installation process are reduced through the modularized connection mode, the overall installation efficiency is improved, an effective protection barrier is formed for the equipment machine, personnel are prevented from approaching the equipment machine, and the safety of the equipment machine is improved. And the safety of personnel and the normal operation of equipment are ensured.

The utility model provides a butt joint assembly, a butt joint device and cable maintenance equipment, the butt joint assembly can be at least used for butt joint and separation of an inspection robot and a high-altitude cable, and the butt joint assembly comprises a frame which is provided with a containing space for containing the inspection robot and a side opening allowing the high-altitude cable to enter the containing space; the butt-joint frame is arranged on the frame-shaped frame and used for guiding the aerial cable to enter the containing space from the side opening and positioning the aerial cable at the butt-joint position of the aerial cable and the inspection robot; and the connecting frame is connected to the frame-shaped frame, located above the frame-shaped frame and used for being connected with an aircraft. According to the butt joint assembly of the structure, lateral butt joint with a high-altitude cable is achieved through translation, when an inspection robot is put into the two lower wire harnesses in the three wire harnesses distributed in the shape like the Chinese character'pin ', the unmanned aerial vehicle can be prevented from being too close to the upper wire harnesses, the unmanned aerial vehicle cannot be broken down by an electromagnetic field of the upper wire harnesses any more, and the inspection robot can be put into the inspection robot. And the working safety of the unmanned aerial vehicle and the inspection robot is remarkably improved.

The invention relates to the technical field of resin production, in particular to an anti-sticking filtering device for alkyd resin production and production equipment. A rotatable filtering net cylinder is arranged in a heat preservation tank, a filtering cavity is formed between the filtering net cylinder and an outer cylinder, a resin extrusion assembly is installed in the filtering cavity, and after resin is put in, an extrusion plate can apply pressure to the resin, so that the resin is extruded out of the filtering cavity; after the resin is filtered for a period of time, the filter screen cylinder is driven to rotate at a high speed, and at the moment, impurities attached to the outer wall of the filter screen cylinder are separated under the action of centrifugal force and are thrown to the inner wall of the outer cylinder; meanwhile, the extrusion plate pushes impurities and residual resin attached to the inner wall of the outer cylinder to a rotating ring at the bottom of the filter screen cylinder, and finally the impurities and the residual resin are discharged outwards through a centrifugal gate arranged on the rotating ring, so that the problem that the filter efficiency of the filter screen cylinder is reduced due to impurity attachment is solved.

The ecological floating ball natural ventilation device comprises an air supply cylinder and a fixing plate, mounting grooves are symmetrically formed in the upper end of the inner side face of the air supply cylinder, one-way valves are fixedly connected into the mounting grooves, and the bottom of the inner side of the air supply cylinder is symmetrically connected with one ends of air guide pipes; and meanwhile, the upper end of the outer side face of the air supply cylinder is fixedly connected with a fixing plate, confluence grooves are correspondingly formed in the positions, opposite to the one-way valves, of the inner side face of the fixing plate, penetrating grooves are symmetrically formed in the surface of the fixing plate, and meanwhile the two ends of the penetrating grooves communicate with the corresponding confluence grooves through flow guide grooves. According to the natural ventilation device, airflow can stably flow through the one-way valve through cooperation of the fixing plate, the penetrating groove, the flow guide groove and the confluence groove, external liquid is prevented from synchronously flowing into the air supply cylinder along with the airflow, the one-way valve can be prevented from being blocked by external sundries, and the stability of the natural ventilation device in use is improved.

The utility model discloses a cutting device for poultry processing, which comprises a fixed base, a rotary processing table and a mounting rack, a fixed table is fixedly mounted in the center of the top surface of the fixed base, a rotary sliding groove is formed in the fixed base, a rotary sliding ring is fixedly mounted on the bottom surface of the rotary processing table, and a rotary sliding groove is formed in the rotary sliding ring. A mounting frame is fixedly mounted on the top surface of the fixed table, an electric push rod is mounted on the mounting frame, the output end of the electric push rod is connected with a protective shell, a cutting shaft is mounted in the protective shell, and a cutting blade is fixedly mounted on the cutting shaft; one end of the cutting shaft is connected with the output end of a cutting motor. The poultry cutting machine has the beneficial effects that the poultry cutting machine is provided with the rotary processing table, the driving motor and the mounting frame, so that a user can conveniently and continuously cut and process a plurality of poultry to be processed, workers do not need to get close to a cutting blade in the processing process, and the poultry cutting machine is higher in use safety and higher in practicability.

The utility model relates to transformer monitoring technical field discloses a kind of oil extraction devices outside transformer oil pit, including oil pipe, fireproof groove box, special oil extraction port and oil sample valve box;The one end of oil pipe is connected with the oil outlet of transformer body, and the other end of oil pipe is connected to inside oil sample valve box;Special oil extraction port is provided outside oil sample valve box, and special oil extraction port is wall structure, and the wall structure is arranged at the fire wall outside transformer;The fireproof groove box is square tubular, and is surrounded along the full length of oil pipe arrangement.This utility model solves the security risk and efficiency bottleneck of traditional sampling mode synchronously by space isolation and dynamic protection, and provides whole-process protection for oil sample fidelity;It greatly improves the safety protection level of operating personnel and the safety of oil extraction equipment, simultaneously improves the on-site operation emergency disposal capability, reduces the personal and material losses caused by accidents, and has high economic and social benefits.

The utility model discloses a one-time many cage pearl mussel cage cleaning device, including water supply pipe network, the water supply pipe network leads out many hangers on, can be driven to rotate by water power, is equipped with at least two water spray holes, and each hanger pipe is connected with a rotary spray head, and water supply power part, water supply power part with water supply pipe network is connected, and water supply pipe network supplies the water with pressure cleaning to water supply pipe network. When using, water supply power part supplies the water with pressure cleaning to water supply pipe network, and water supply pipe network distributes the water with pressure cleaning to each hanger pipe, and the water with pressure cleaning in hanger pipe is rotated 360 degrees outward through rotary spray head, that is, rotates 360 degrees outward through at least two water spray holes on the side of rotary spray head, and the cleaning water that sprays washes pearl mussel cage. The utility model has can clean many mussel cages etc. features.

The utility model discloses a cutting device for extrusion cylinder production convenient to unload belongs to extrusion cylinder production technical field, it includes work table, the support frame is connected to work table top, is set with the chute on work table, the hollow board is connected to work table below, the backing plate is connected to work table top. This cutting device for extrusion cylinder production convenient to unload, through the rotation screw rod of starting drive motor, utilize the thread cooperation of cooperation sleeve and screw rod, make the connecting frame along the chute and move, and then drive the vice clamping plate, make and workpiece cutting section relative clamping vice clamping plate drive workpiece and move, the connecting rod will slide along the guide groove and gradually slide into the inclined end of guide groove in the process, utilize the pushing of guide groove inclined groove wall and make vice clamping plate compression telescopic rod complete loosening, to facilitate staff to take down material, and avoid the worker close cutting area, improve the efficiency and safety.

The invention provides an outdoor power switch cabinet with high safety protection performance, which comprises a base and a cabinet body fixedly connected to the top wall of the base, and further comprises an anti-collision assembly and a power supply assembly, the anti-collision part comprises a supporting shaft rotationally connected to the inner wall of the base, a first gear and a second gear fixedly connected to the outer wall of the supporting shaft, and a buffering part slidably connected to the side wall of the base. The supporting part comprises a third gear, a fourth gear and a telescopic supporting part, the third gear and the fourth gear are fixedly connected to the outer wall of the supporting shaft, the telescopic supporting part is slidably connected to the side wall of the base, the telescopic supporting part is in linkage with the buffering part, and the reinforcing part is slidably connected to the inner wall of the reinforcing groove through a sliding groove; when the cabinet is impacted, the purpose of increasing the supporting range of the base is achieved, the overall stability is improved, meanwhile, when the supporting frame moves, the sliding blocks are pulled to move through the reinforcing rods, then the cabinet body is reinforced, the cabinet body is prevented from toppling over after being impacted, and the overall protection performance is improved.

The utility model discloses a kind of light-emitting flange conveyer belts, comprising: baseband;Multiple transverse bulkheads, it is interval setting in the length direction of the baseband;Two flange modules, it is located in the left and right sides of the baseband;The flange module is connected by multiple flanges in turn, the flange has corrugated edge, the corrugated edge has reinforcing layer, inner rubber layer and outer rubber layer being located in the inside and outside of reinforcing layer, outer light-emitting sealing layer and / or inner light-emitting sealing layer between the inner rubber layer of adjacent two sections of corrugated edge are equipped between the outer rubber layer of adjacent two sections of the corrugated edge. Outer light-emitting sealing layer, inner light-emitting sealing layer of flange module can actively emit light in dark environment, can clearly outline the edge profile and running track of conveyer belt, avoid personnel from not clear equipment boundary and occur collision, approach. Without relying on lighting equipment, it can make the equipment state in work area, material conveying position visual, reduce the risk of misoperation caused by the decline of personnel vigilance.

The application relates to the field of power distribution cabinets, and discloses a power distribution cabinet with a fireproof and flame-retardant function, which comprises a protection assembly, the protection assembly is installed at the upper end of a main body, the protection assembly is used for cooling the cabinet body and inhibiting internal and external fire sources, the protection assembly mainly comprises an executing mechanism composed of mounting blocks, a piston plate, glass balls, springs and sealing plugs, the glass balls are red, the triggering temperature is 68 DEG C, the power distribution cabinet with the fireproof and flame-retardant function has the protection assembly, the probability of fire source overflow or internal spread is reduced, the generation of toxic gas is reduced, the external fire source can be extinguished while preventing the external fire source from approaching the cabinet body, internal fire source spread to the outside can also be prevented, nitrogen can dilute internal oxygen and toxic gas, and external fire extinguishing agents can be used after the fire extinguishing agents in the cabinet body are consumed, the external fire extinguishing agents are introduced and secondary protection is carried out.

The utility model relates to the field of wind power generation, in particular to a cable bridge and a cable mounting bracket. The cable bridge comprises a cable bridge assembly, the cable bridge assembly comprises a support body arranged in the direction of a fan tower drum and a blocking assembly fixed to the support body, the support body is provided with an avoiding end used for avoiding a fan tower drum flange, and the blocking assembly is arranged at the avoiding end. Therefore, the cable is prevented from being contacted with a fan tower flange. According to the utility model, the avoiding end used for avoiding the fan tower drum flange is arranged on the bracket main body, and the blocking assembly is arranged at the avoiding end, so that the cable and the fan tower drum flange are effectively isolated through the blocking assembly, and the cable is prevented from continuously approaching the fan tower drum flange; abrasion caused by direct contact or scraping between the cable sheath and the flange is prevented.

A travel assistance device according to the present invention detects an obstacle on the basis of the detection results of ultrasonic sensors (9E-9H) provided in a vehicle during parking assistance or parking-out assistance of the vehicle. Furthermore, a plurality of ultrasonic sensors (9E-9H) are provided on the side surface of the vehicle (2) in a positional relationship such that the ultrasonic sensors (9E-9H) cannot receive the indirect waves from each other, and when the ultrasonic sensors (9E-9H) detect a lateral obstacle at the time of starting the parking assistance or parking-out assistance of the vehicle, the ultrasonic sensors (9E-9H) start the parking assistance or parking-out assistance of the vehicle. The approach to the detected side obstacle is restricted during a period from the start of parking assistance or parking-out assistance of the vehicle until a predetermined condition is satisfied.

The utility model relates to a primary and secondary fusion complete set pole circuit breaker convenient to install belongs to circuit breaker technical field, including circuit breaker body and base, the circuit breaker body outside is provided with the fixed assembly for the convenient installation circuit breaker body and base, the fixed assembly includes the positioning rod fixedly connected in the circuit breaker body bottom four -around, the bottom of base top is equipped with the positioning hole around, the base is fixedly connected with the buckle around, the circuit breaker body is fixedly connected with the clamping block around, the bottom of base is fixedly connected with the support frame, the left and right sides of base bottom are all fixedly installed with the installing spare, the outside of installing spare is fixedly connected with the threaded sleeve, the inside screw thread connection of threaded sleeve has screw mounting rod. This primary and secondary fusion complete set pole circuit breaker convenient to install, through setting fixed assembly, has reached the effect that is convenient to install, and its installation step is relatively simple, and more utilizes batch installation.

The utility model relates to the technical field of large casting hoisting auxiliary equipment, and provides a pneumatic unhooking and hooking clamping device which comprises a hoisting seat, a connecting rod mechanism, a hooking mechanism, a first air cylinder assembly and a second air cylinder assembly. The first air cylinder assembly is arranged on the upper portion of the hoisting seat, and the connecting rod mechanism and the hooking mechanism are sequentially hinged to the lower portion of the hoisting seat; the second air cylinder assembly is arranged at the bottom of the connecting rod mechanism, under the action of the first air cylinder assembly, the position of the included angle between the hanging seat and the horizontal plane can be adjusted and fixed, and under the action of the second air cylinder assembly, the hook mechanism can be opened or closed. According to the pneumatic unhooking and hooking clamping device, the size of the clamping space can be adjusted, the purpose of clamping or unhooking a cast to-be-clamped piece is achieved, the situations that due to the fact that the weight of a casting is too large, a worker needs large force to manually loosen a lifting appliance, and manual unhooking is difficult can be effectively avoided, and the situation that an operator is too close to the casting, and the labor intensity of the operator is lowered is avoided. And the safety in the unloading process is greatly improved.

The application discloses a waste paper recycling and crushing device and method, and relates to the technical field of waste paper recycling. The device comprises a crushing device main body, a feeding and crushing mechanism arranged on the top of the crushing device main body, a control console arranged on one side of the crushing device main body, a transmission mechanism arranged on the other side of the crushing device main body, a driving motor installed on the outside of the transmission mechanism, a magnetic separation mechanism arranged at the bottom of the feeding and crushing mechanism, and the magnetic separation mechanism blows the paper scraps based on the transmission mechanism and simultaneously absorbs metal impurities through magnetic force. The magnetic separation mechanism absorbs the metal impurities through magnetic force, the impurity storage hopper collects the metal impurities, and then the metal impurities are transported to the external environment through the impurity conveying pipe, so that the metal impurities in the paper scraps can be automatically separated from the paper scraps, and the paper scraps in the recycling process do not contain metal impurities.

The utility model relates to film slitting equipment technical field discloses a safety device of mulch slitting machine, including slitting machine, the movable joint has the separation axle in the slitting machine, a plurality of first cranks are fixedly connected to the outside of separation axle, and the slitting roller is rotatively connected between two first cranks, and the front side of first crank is provided with the protection mechanism, and the protection mechanism includes L shape fixed plate and a plurality of second cranks, and L shape fixed plate is fixedly connected in one side in the slitting machine, and the bottom plate is fixedly connected to the position below L shape fixed plate.

The utility model belongs to the technical field of rubber water-stop belts, and discloses a middle-buried anti-cracking rubber water-stop belt which comprises a water-stop belt body, and four hook portions are arranged at the positions where the water-stop belt body is combined with the edges of a concrete body. And the bristle parts are integrally formed on the surface of the water stop belt main body. According to the rubber waterstop, the burr parts are arranged at the combining edges of the concrete body, so that the contact condition of broken stones in the concrete material and the waterstop main body in the pouring process is reduced, and the cracking resistance of the rubber waterstop is remarkably improved.

The application discloses a smart wearable ground electric leakage early warning device and method, the method comprising the following steps: an intelligent calculation module reconstructs left and right foot broken line walking tracks according to signals of an acceleration sensor and a geomagnetic sensor; an electric field gradient analysis is performed on the left and right foot broken line walking tracks combined with acquired left and right foot voltage difference signals and stride voltage difference signals; when the intelligent calculation module finds an electric field mutation, a signal is sent to an early warning output module, an alarm is sent out through the early warning output module, and a position of an electric leakage power supply is output. The application can alarm and output electric leakage position information when a significant electric field mutation is found, early warning identification of a high-risk area is realized, and personal safety is protected.

The utility model relates to resin handicraft cutting technology field especially, a kind of cutting device for resin handicraft.Its technical scheme: including cutting frame, cutting frame front end middle position is equipped with installation groove, cutting blade is installed in the installation groove, driving equipment that drives cutting blade rotation is installed in the cutting frame, cutting blade upper end extends installation groove, sliding rod is slidably connected in cutting frame upper end and with cutting blade alignment position, the fixed mounting seat of sliding rod front end, the metal frame of mounting seat front end is installed, and metal frame front end is V-shaped opening structure.The utility model places two resin handicrafts connected together between metal frame, and utilizes metal spring piece to extrude outward, carries out the fixation of handicraft, so that sliding rod slides to cutting blade simultaneously carries out cutting operation, operation is simpler, can avoid hand to cutting blade close, improve security.

The utility model discloses a kind of multi-specification punching device, belong to punching device technical field, including processing table and the spacing plate of arrangement in the top side of processing table, punch mechanism for being arranged on processing table and being used for processing metal plate and clamping mechanism of arrangement on processing table, with spacing plate cooperation fixed workpiece position, wherein, clamping mechanism further include the adjusting assembly for adapting different specifications workpieces, start mechanism for being arranged on processing table and being used for starting equipment, safety mechanism for being arranged on processing table and being used for ensuring that user's both hands are far away from processing area and the recovery mechanism for being arranged in processing table and being used for collecting the scrap generated in processing.The utility model solves the processing of different specifications metal plate for adaptation, lead to inconvenient drilling operation, simultaneously for the design lacking for safety convenient, cannot well protect the safety of user, the problem that waste material generated in processing also has not carried out suitable treatment.

The utility model discloses a navigation mark ship with swimmer warning function relates to navigation mark ship technical field, include: navigation mark ship body, the periphery of navigation mark ship body evenly distributed with a plurality of inductor group, the top of cylinder type support is installed with navigation mark light, the top of cylinder type support is connected with the rotating sleeve through the bearing sleeve, install camera on the rotating sleeve, the upper portion lateral wall of cylinder type support is installed with loudspeaker horn at equal intervals, drive assembly, loudspeaker horn and camera are in low -power consumption standby mode when not working, inductor group low frequency periodicity detects. The utility model discloses through evenly distributed with a plurality of inductor group at the periphery of navigation mark ship body, can detect swimmer close -in in time, through loudspeaker horn sends warning sound, reminds swimmer to keep away, effectively avoids swimmer to climb or close -in navigation mark ship, reduces the risk of accident occurrence, guarantees the safety of swimmer and navigation mark ship.

The utility model discloses a kind of optical lens polishing machines, belong to optical lens technical field, including base, the base top is equipped with polisher;In the utility model, by being provided with clamping assembly in, by this design, when polishing lens, with the movement of sliding frame can be rotated by rack driving gear sleeve, and drive lens to rotate, and when contact with polisher, can ensure the uniformity of polishing by rotating, and when polishing to a certain degree, gear sleeve can be separated from rack by pulling gear sleeve outward, simultaneously make that gear block is engaged with rack, thereby the position of sliding frame and lens is fixed by being positioned to sliding frame and lens, and can continue to rotate by rotating first mounting rod and drive lens, and the edge of lens is polished, and the part of polishing can be avoided to approach inside and avoid lens edge overpolishing, to ensure the precision of polishing, and the difficulty of polishing can be reduced to a certain extent.

This invention relates to the field of medical device technology, specifically to a physiotherapy lamp. It includes a support frame, on which an irradiation assembly is mounted. The irradiation assembly includes a fixed frame, within which a housing is slidably disposed. An irradiation unit is fixedly disposed within the lower end of the housing. The housing is fixedly connected to a connecting assembly, which is slidably connected to the fixed frame and to an air pump. Multiple air tubes are disposed below the housing, with multiple nozzles fixedly connected to their lower ends. Sliding rods are slidably disposed at both ends of the fixed frame below the housing. One end of a folding plate is fixedly connected to a sliding rod, and the other end of the folding plate is fixedly connected to the fixed frame. The ends of the sliding rods are connected to the fixed frame via spring bellows, the interior of which is connected to one end of a second channel opened within the fixed frame. This invention allows the housing to move upwards and cut off the light source when the patient accidentally gets up, preventing high-temperature radiation from directly hitting the skin. The folding plate then unfolds, blocking residual heat conduction paths.

The utility model provides a kind of pull type wire bird thorn, it is related to the field of bird thorn.It includes upper shell, the inner side of upper shell is provided with clamping mechanism, the clamping mechanism includes the hydraulic telescopic link fixedly connected with the inner side of upper shell, the telescopic end of the hydraulic telescopic link is fixedly connected with movable plate, the lower surface of movable plate is fixedly connected with clamping plate, the inner side of clamping plate is clamped with limit block, the side of limit block is fixedly connected with slide bar.The bird thorn is used in cooperation with hydraulic telescopic link, movable plate, clamping plate, limit block, slide bar, spring, limit plate, fixed block, first threaded rod, fastening block and second threaded rod, hydraulic telescopic link drives movable plate to press down, through the clamping cooperation of clamping plate and limit block, combined with the elastic reset action of spring, it can be self-adapting wire of different diameters and keep constant clamping force, effectively prevent bird thorn from displacement or loosening under the action of wind force, realize the bird thorn can be fixed on wire.

The utility model relates to an engineering construction foundation pit support structure, and belongs to the technical field of building construction. Comprising a left side pile column and a right side pile column which are located on the two sides of a foundation pit, a left side mounting frame is detachably mounted on the left side pile column, and a left side soil retaining plate and a left side outer baffle are detachably mounted at the inner end and the outer end of the left side mounting frame correspondingly; and a right side soil baffle and a right side outer baffle are detachably mounted at the inner end and the outer end of the right side mounting frame correspondingly. The foundation pit support structure has the advantages that the soil retaining plates and the outer baffles are arranged on the inner sides and the outer sides of the piles respectively, the soil retaining plates can solve the problem that according to an existing foundation pit support structure, the edge of a foundation pit is prone to collapsing, the outer baffles can prevent pedestrians from getting close to the foundation pit, and the safety coefficient of construction is improved; the mounting frame and the pile column are detachably connected, transportation and on-site assembly are facilitated, the soil retaining plate, the outer baffle and the mounting frame are detachably connected, and the assembly layout can be flexibly adjusted according to construction requirements.

The application belongs to the technical field of chemical fiber production, and discloses a mechanical seal for horizontal polyester reactor in chemical fiber production, which comprises a side plate, a sealing mechanism is arranged in the side plate, a stirring shaft is arranged in the sealing mechanism, and a driving mechanism and an impeller are respectively connected to the two ends of the stirring shaft; the sealing mechanism comprises a stationary part fixedly connected to the side surface of the side plate, a dynamic sealing part and a rotating part are arranged in the side plate and the stationary part, and a rotating sleeve is arranged in the dynamic sealing part and the rotating part. Due to the arrangement of the dynamic sealing ring, the close dynamic sealing effect between the dynamic sealing ring and the sealing sleeve can be ensured under the action of the dynamic sealing ring, the friction and close area can be effectively reduced, the material friction resistance can be reduced, and energy consumption can be saved; more importantly, the situation that the particles are clamped between the dynamic sealing ring and the sealing sleeve can be effectively avoided, so that the effect that the dynamic sealing ring and the sealing sleeve cannot be closely sealed can be avoided.