44results about How to "Good for falling" patented technology

The utility model relates to a kind of gas power plant equipment information acquisition devices, including hoop and device body, the hoop includes two oppositely arranged, two The hoop is connected by fastener between, and one of two The hoop With The device body is fixedly installed;The device body has inner cavity, and the air inlet of the inner cavity with external space is communicated;Filter screen is slidably installed in the air inlet, the filter screen is connected with the device body by elastic component;Manual collision mechanism is equipped at the side of the filter screen, the manual collision mechanism is installed on the device body, and the filter screen can be driven to slip;Gas detection module is fixedly installed in the inner cavity, has the advantage that the air inlet is blocked by foreign matter to avoid, and the timely, accurate determination of gas detection module to gas leakage condition is influenced.

This utility model discloses an evaporative air cooler for chemical production, relating to the field of air cooler technology. It includes an air cooler housing, a fan cover fixedly installed on the top of the housing, a fan assembly fixedly installed on the top of the fan cover, a material inlet fixedly installed on one side of the housing, an evaporator plate fixedly installed at the bottom of the housing's inner cavity, a water tank fixedly connected to one side of the evaporator plate, and a heat exchange tube bundle fixedly installed inside the evaporator plate. This utility model utilizes a telescopic shaft to move the filter plate and surface dirt towards the fixed plate during its telescopic movement until the transfer pipe reaches a predetermined position with the fixed plate. Then, a movable push rod extends and retracts, driving a cleaning brush to perform a reciprocating sweeping motion on the filter plate surface, achieving convenient dirt removal and enhancing the device's anti-clogging performance, thus facilitating normal operation of the equipment after filtration.

The dust cup assembly comprises a dust cup and a cyclone cylinder, the cyclone cylinder is arranged in the dust cup, a dust collection bin is formed between the cyclone cylinder and the dust cup, an air inlet and an ash discharge port are formed in the cyclone cylinder, the air inlet is located above the ash discharge port, the air inlet is communicated with the inlet, and the dust collection bin is communicated with the dust cup. The ash discharge port is communicated with the dust collection bin; the cyclone cone is installed at the position of the air outlet of the cyclone cylinder, and at least part of the cyclone cone is located in the cyclone cylinder; the first sealing piece is integrally formed and comprises a sealing part and a clamping part, the outer side of the cyclone cylinder is concaved inwards to form a sealing groove and a fixing groove, the sealing part is annularly arranged on the periphery of the air inlet and contained in the sealing groove, and the sealing part abuts against the inner wall of the dust cup; and the clamping part is clamped in the fixing groove. Through the special cyclone design, the dust-air separation effect of the dust collector is good, and a sealing piece is not prone to falling off.

The utility model discloses a safety protection device for chemical engineering, which comprises a feed hopper and a safety filter screen, the top end of the feed hopper is detachably provided with a protective cover, the top end of the protective cover is communicated with a feed pipe, the top end of the feed pipe is in threaded connection with a sealing cover, and a fixed cylinder is inserted into the feed hopper. The safety filter screen is installed on the bottom side of the interior of the fixing cylinder, a top ring is arranged at the position, below the fixing cylinder, in the feeding hopper, the bottom end of the top ring is fixedly connected with a plurality of connecting rods, the connecting rods are all in sealed sliding fit with the feeding hopper, and the bottom ends of the connecting rods are fixedly connected with a lifting ring; and the fixed cylinder and the safety filter screen can be conveniently ejected out from the interior of the feeding hopper, and people can conveniently take out the safety filter screen from the interior of the feeding hopper.

The utility model discloses an anti-scattering guide chute with a coal recovery function, which relates to the technical field of coal processing and comprises a mounting rack, a shielding frame is fixed at the bottom of the mounting rack, an anti-falling collecting mechanism is arranged on one side of the shielding frame, and a mounting mechanism is arranged on the outer side of the anti-falling collecting mechanism. The anti-falling collecting mechanism comprises a material guide frame fixed to the edge of the bottom of the shielding frame, and a falling-back pipe is fixed to the bottom of the material guide frame. According to the anti-scattering material guide groove with the coal recycling function, the abutting block is attached to the surface of the conveying belt, when the sampling head rotates for sampling, the abutting block is used for shielding, the scattering amount of coal is reduced, and when the conveying belt deforms, a small part of coal is squeezed and discharged into the material guide frame from the bottom of the abutting block and falls into a recycling box through a falling-back pipe; and therefore, the coal is fully prevented from being scattered to the ground, the clean environment is guaranteed, the coal falling from the conveying belt can be conveniently recycled, and the practicability of the device is improved.

The utility model relates to the technical field of saliva suction pipes, in particular to a pipe cutting auxiliary device for saliva suction pipe production, which comprises a working table, a side frame table is mounted on the working table, an unwinding disc is erected on the side frame table, a guide wheel is mounted on one side of the unwinding disc, a guide box is mounted on the top surface of the working table, and the guide box is connected with the side frame table. A movable clamping frame is movably connected into the guide box, a placing frame is arranged on the bottom side of the movable clamping frame, an upper fixed rod and a lower movable rod are installed on one side of the placing frame, and a collecting groove is formed in the bottom side of the lower movable rod. According to the automatic pipe cutting device, the possibility that pipe bodies deform in the conveying and cutting process is reduced, the automatic pipe cutting effect of the device is improved, the cutting length is convenient to adjust, the limiting effect of the device on the pipe bodies is improved, the deformation situation can be reduced, unified collection is convenient, and the pipe bodies are not prone to being stacked on a workbench.

The application discloses a machining table with multi-angle adjusting function for a machine tool and a use method thereof, and particularly relates to the technical field of machine tools. The machining table is characterized in that the cooperation between the pressure control structure, the first half-thread sleeve, the second half-thread sleeve, the second screw rod and the first screw rod can realize the operation of switching the first half-thread sleeve and the second half-thread sleeve for alternate use. When long-distance adjustment is needed, the second screw rod and the second half-thread sleeve can be cooperated to quickly adjust the machining table due to the sparse threads on the outer side of the second screw rod. The first screw rod can be used to complete short-distance precise adjustment due to the close threads. The use state of the first half-thread sleeve and the second half-thread sleeve can be switched to quickly and finely adjust the machining table, thereby effectively saving the adjustment time, and the machining table is simple and convenient to operate, and has good application value.

The invention relates to the technical field of wastewater purification, and discloses a multilayer fluidized bed type desulfurization wastewater dechlorination adsorption tower which comprises a purification tower, a water inlet pipe and a water outlet pipe are arranged on the purification tower, the water inlet pipe is located below the water outlet pipe, a fluidization assembly is arranged in the purification tower and is composed of three fluidization structures, and the fluidization structures are arranged in the purification tower. The three fluidization structures are distributed in a linear array mode in the height direction of the purification tower, each fluidization structure comprises a water tank, the water inlet pipe is connected with the water tank at the lower end through a first corrugated pipe, the water outlet pipe is connected with the water tank at the upper end through a second corrugated pipe, and every two adjacent water tanks are connected through a pipe fitting. By arranging the moving assembly, the driving assembly and other structures, when the filler needs to be replaced, the motor is started to drive the eccentric wheel to rotate, the water tank can vibrate, meanwhile, the blades are controlled to rotate and open, the filler in the water tank can rapidly fall to the bottom of the purification tower, rapid collection and replacement of the filler are achieved, operation is convenient, and the working efficiency is improved.

The utility model relates to the technical field of food processing devices, in particular to a meat monosodium glutamate oil efficient extraction and concentration device which comprises an extraction and concentration tank and a temperature control electric heater, a top cover is fixedly installed on the top of the extraction and concentration tank, a feeding barrel is fixedly installed on the top cover, and a supporting frame is fixedly installed on the top of the feeding barrel. A smashing motor is fixedly installed on a top plate body of the supporting frame, a smashing shaft is fixedly installed at the tail end of an output shaft of the smashing motor, smashing blades are fixedly installed on the smashing shaft, an extension box is fixedly installed on a bottom cylinder body of the feeding cylinder, and a sliding hole communicated with the interior of the feeding cylinder is formed in the extension box. A discharging box communicating with the sliding hole and the feeding barrel at the same time is fixedly installed at the bottom of the extension box, an air cylinder is arranged on one side of the extension box, a guide plate is arranged at the tail end of a telescopic shaft of the air cylinder, and a blocking plate is fixedly installed on the side face of the guide plate. According to the utility model, the crushing and feeding operations are convenient, and the efficient extraction and the concentration can be smoothly carried out.

The utility model discloses a convenient temperature and humidity detector, which relates to the technical field of temperature and humidity detection, and comprises a detector main body, one end of the detector main body is provided with a temperature and humidity probe, the outside of the temperature and humidity probe is provided with a protective cover, and the outer surface of the protective cover is provided with a ventilation groove. The lower end of the detector body is provided with a carrying assembly, the lower surface of the detector body is provided with two moving grooves, one end of each moving groove is provided with a limiting groove, the carrying assembly comprises a carrying frame, and one end of the carrying frame is provided with a connecting baffle plate. According to the scheme, the problems that most of existing convenient temperature and humidity detectors are directly held and taken by hands, lack of hand limiting structures, easy to fall off from the hands and damage, low in safety performance and limited in placement application range and poor in flexibility and applicability due to the fact that the existing convenient temperature and humidity detectors can only be placed on a plane during placement are solved.

The utility model discloses a cigarette filter stick dividing and cutting machine, and relates to the technical field of cigarette manufacturing, in particular to a cigarette filter stick dividing and cutting machine which comprises a box body, an annular cylinder is installed on the inner top wall of the box body, a driving motor is installed in front of the box body, and a conveying roller concentric with the axis of the output end of the driving motor is installed at the output end of the driving motor. A containing groove is formed in the outer surface of the conveying roller, a cavity plate is installed on the outer surface of the annular cylinder, a first servo motor and a strip-shaped plate are installed on the inner wall of the box body, and a first screw rod concentric with the axis of the output end of the first servo motor is installed at the output end of the first servo motor. The cigarette filter stick splitting machine has the effect of conveniently cutting a filter stick, through cooperation of a first screw rod and a first threaded ring block, the position of a cutting wheel is conveniently moved and adjusted, the cutting wheel can conveniently cut the filter stick in a cutting groove, and the purpose of improving practicability is achieved.

The invention discloses an assembling device for generator set manufacturing, and relates to the technical field of assembling devices for generator set manufacturing, the assembling device for generator set manufacturing comprises a base, and an assembling table is fixed to the top of the base. According to the assembling device for manufacturing the generator set, when the generator set needs to be moved on the assembling table, an air cylinder is started to drive a transmission plate and a transmission column to move upwards, so that a moving block drives a ball to move out of the top of the assembling table to be attached to the bottom of the generator set, and therefore the generator set can conveniently move on the assembling table; after the position of the generator assembly is adjusted on the assembly table, an air cylinder is started, a transmission plate drives a transmission column to move downwards, a moving block drives a ball to move into the assembly table to make contact with the bottom of the generator assembly, and the situation that when the generator assembly is machined, the ball makes contact with the assembly table is prevented; and the generator assembly is poor in stability during machining.

The application discloses a micro-nano copper powder grading device, and particularly relates to the technical field of copper powder production, which comprises a grading box, and an inclined ring seat for guiding the falling of micro-nano copper powder is arranged on the surface of the middle part of the inner cavity of the grading box. The micro-nano copper powder falls into the grading box through the inlet, is guided to fall into the extrusion cavity through the inclined ring seat and the conical grinding seat, and the conical grinding seat reciprocatingly swings and drives the stirring rod on the rotating rod to synchronously reciprocatingly swing, so as to stir and move the micro-nano copper powder in the inclined ring seat. The micro-nano copper powder in the extrusion cavity is extruded through the conical grinding seat and the bottom of the inclined ring seat, and the extrusion qualified particle size micro-nano copper powder is formed. The transmission plate drives the reciprocating pushing of the extrusion qualified particle size micro-nano copper powder, and the micro-nano copper powder is pushed into the discharge screen hole. The particle size of the micro-nano copper powder is smaller than the aperture of the discharge screen hole, so that the micro-nano copper powder is conveniently fallen.

The utility model relates to the technical field of polishing equipment, in particular to a polishing operation table which comprises an operation space located above the operation table, a dust containing space located below the operation table and a dust removal space located behind the operation table, and the operation space, the dust containing space and the dust removal space are separated by the operation table. A magnetic device for fixing a casting is mounted on the lower bottom face of the operation table in an attached mode, the front end of the operation space is open to facilitate operation of workers, the rear end of the operation space is communicated with the dust removal space, the top of the dust removal space is communicated with a dust removal system of a factory through a pipeline, and a dust storage trolley is arranged at the lower end of the dust storage space. The polishing machine is simple to operate, is provided with a semi-closed operation space and is communicated with a dust removal system of a factory to remove dust at any time, and the magnetic device is arranged on the operation table, so that a casting can be magnetically attracted and fixed, a worker can operate the polishing machine with two hands, the labor intensity is reduced, and the safety is improved.

The present application relates to mobile track technical field, especially be a kind of dust control track type dust falling device for construction and use method, including for dust control spray assembly, spray assembly is installed on the upper end of track, the upper end of track is installed with detachable toothed plate by screw on one side, toothed plate one side is equipped with walking assembly with self-cleaning structure;Walking assembly includes the gear engaged between toothed plate, the transmission shaft that is fixedly connected with being set up in the middle of gear upper and lower end and being penetrated, the outer side of transmission shaft upper end is fixedly connected with bevel gear one, the bevel gear two that is engaged with the diameter ratio of 1:4 is formed on the both sides of bevel gear one, bevel gear two one end is fixedly connected with cross shaft.The present application, in the process that spray head follows staff and carries out servo, carries out accurate position dust falling, can carry out real-time processing to the dust that because working environment leads to drop, adhere to toothed plate, effectively avoid a large number of dust adhering to appear in the contact position of gear and toothed plate, cause transmission jam problem.

The application relates to a five-axis gantry machine tool, and relates to the technical field of machine tools. The machine tool comprises a machine body, a workbench, two mounting seats, a rotary table, an indexing head and a protective device. The protective device comprises two protective covers which are provided with mounting holes for the rotation shafts to pass through; two protective sheets which are arranged on the two protective covers, abut against the rotary table and are used for blocking the contact between the chips and the rotation shafts; and two supporting mechanisms which are arranged on the rotary table, are connected with the two protective covers through rotating assemblies at one end and form a gap hole for the indexing head to pass through at the other end. The two supporting mechanisms and the two protective covers can realize the cladding protection of the rotary table. When the workpiece falls, the workpiece collides with the supporting mechanism, the supporting mechanism can buffer the workpiece, the damage to the rotary table is reduced, the chips fall on the surface of the supporting mechanism, the machining precision of the machine tool is improved, and the convenience during the chip cleaning is improved.

This utility model discloses a pressure-reverse thrust shrinking plate and a cutting and grinding device, relating to the fields of grinding wheels, cutting machine pressure plates, etc. It includes an annular upper cover plate and a lower cover plate. The top of the lower cover plate has a snap-fit ​​groove adapted to the outer diameter of the upper cover plate. A sleeve coaxially arranged with the lower cover plate is fixed in the snap-fit ​​groove. The upper cover plate is fitted onto the sleeve and can rotate relative to it. Multiple sets of lower placement grooves are evenly arranged circumferentially within the snap-fit ​​groove, and corresponding upper placement grooves are arranged on the upper cover plate. The upper and lower placement grooves have the same structure and are centrally symmetrical, each including a placement part, a ramp part, and a blocking part. Rolling parts are placed between the upper and lower placement grooves and arranged in a circumferential array. A dustproof sealing ring can be provided on the outer edge between the upper and lower cover plates. When the cutting and grinding device of this application is working, the rolling parts are guided by the ramp part to generate a reverse thrust, achieving self-locking clamping. During disassembly, the rolling parts fall back to the placement part, and the cutting blade can be smoothly released, avoiding seizing. It has the advantages of reliable clamping, convenient disassembly, labor saving, dustproof durability, and strong adaptability.

This invention discloses a cast-rolled strip-ribbed flat roll structure, relating to the field of casting and rolling production technology. It includes a first mounting roll and a second mounting roll, each with several casting rings. Each casting ring has several locking blocks on its inner side, all of which are slidably disposed within a limiting groove at the upper end of a limiting rod. The bottom end of the limiting rod is rotatably connected to one end of two connecting rods, and the other ends of the connecting rods are rotatably connected to a connecting block. A bidirectional screw is fitted into a threaded hole on one side of the connecting block. A fixing mechanism is provided on the rotating shaft at one end of both the first and second mounting rolls to facilitate fixing the bidirectional screw. A limiting mechanism is provided at the upper end of the base plate to facilitate limiting the rotation of the support plate. This invention uses several casting rings to cast and roll aluminum strip with ribs, resulting in a simple structure, low cost, and easy replacement of casting rings with different structures.

The application relates to a kind of impurity separation equipment for grain suction machine in the field of grain separation, comprising screening separation tank, the inner wall of screening separation tank is installed with up and down arranged coarse screen mesh and fine screen mesh, coarse screen mesh and fine screen mesh are connected by support rod, the inner wall of screening separation tank is fixedly installed with isolation plate, the inner wall of screening separation tank is installed with adapter pipe plate; The lower portion of isolation plate is installed with two-screen unit, two-screen unit comprises an inclined installation in the inner wall of screening separation tank receiving bottom plate, the top of receiving bottom plate is installed with wrinkle plate made of breathable material, the top of wrinkle plate is symmetrically installed with movable baffle and waste collection tank, the bottom of receiving bottom plate is installed with symmetrically arranged servo motor near one side of receiving bottom plate; The bottom of receiving bottom plate is installed with fan, after coarse screening and fine screening treatment through coarse screen mesh and fine screen mesh, selectively screen separation treatment is carried out on it by two-screen unit, and the separation quality is effectively improved.

This utility model provides a pretreatment device for polyester recycling ester by-products, relating to the field of polyester recycling ester by-product treatment technology. It includes a crusher body, with multiple legs fixedly installed at the bottom. An inlet is fixedly installed at the top opening of the crusher body, and an air valve is fixedly installed at the bottom opening. A housing is fixedly installed at the bottom of the air valve, and a grinding mechanism and a striking mechanism are arranged inside the housing. In this utility model, when the crushing components of the crusher body are in operation, a transmission rod drives the grinding blocks to move. When the crushed by-products fall onto the screen plate, the grinding blocks and the screen plate cooperate to further grind and crush the by-products. Simultaneously, a clamping block follows the movement of the grinding blocks and collides with the circular holes on the screen plate, generating vibration on the screen plate, thereby facilitating the falling of the ground by-products.

This invention discloses a magnetic core screening and feeding device, relating to the technical field of magnetic core screening equipment. It includes a feeding pipe with a groove on one side. A sliding rod is slidably inserted into the groove, and a lever is fixedly connected to the bottom of the sliding rod. A sliding element is fixedly connected to one end of the sliding rod, and a rack is fixedly installed on one side of the inner wall of the sliding element. A half-gear is meshed with one side of the rack, and the half-gear is rotatably mounted on one side of the feeding pipe. A driving assembly is provided on one side of the half-gear. This invention uses a belt pulley to drive the half-gear to rotate. The rack is meshed with the half-gear, and the sliding element moves synchronously with the rack, causing the sliding rod to move synchronously. The lever at the bottom of the sliding rod can move the magnetic core during movement, facilitating the screening of the magnetic core so that it falls along the feeding pipe into a receiving bin, preventing the magnetic cores from accumulating.

The utility model relates to the technical field of sewage treatment, in particular to a novel environment-friendly sewage treatment device which comprises a treatment box, a processing mechanism, which is used for processing; according to the treatment mechanism, impurities in sewage are preliminarily filtered by using a filter cartridge, so that more impurities are prevented from falling on a second filter plate, a motor is started to drive a rotating rod to drive a cleaning plate to rotate, and the cleaning plate is beneficial to pushing the impurities retained in the filter cartridge to a discharge groove in the rotating process and falling into a collection box through a guide frame for collection; meanwhile, through interaction of the acting force of water flow falling on second filter plates and second springs, continuous vibration of the two second filter plates in the filtering process is facilitated, so that the impurities on the second filter plates can better flow towards lower positions of inclined planes of the second filter plates, and the filtering effect of the filter cylinders is guaranteed. The impurities are prevented from being gathered on the second filter plates, so that the filtering effect of the two second filter plates on the impurities in the sewage is improved.

The application relates to the technical field of forging dies, in particular to a forging equipment for automobile steering arm production and processing, which comprises a mounting frame, a driving assembly arranged on the mounting frame, an upper die fixed on the driving assembly, a lower die arranged on the mounting frame, the driving assembly is used for driving the upper die to move away from or close to the lower die, the lower die comprises a die body, a mounting shaft rotatably connected to the die body and a rotating plate fixed on the mounting shaft, a first cavity mixed cutting chamber is arranged on the die body, a second cavity is arranged on the rotating plate, a control assembly is arranged on the die body, the control assembly is used for driving the rotating plate to rotate, the second cavity opening on the rotating plate is arranged downwards and corresponds to the cutting chamber, and a limiting assembly for limiting the automobile steering arm in the second cavity is arranged on the rotating plate. The application has the effect of improving the forging efficiency of the automobile steering arm.

The utility model discloses an embodiment provides a kind of material sheet transfer device, it is related to material sheet vacuum transfer equipment technical field.Material sheet transfer device includes transfer main body and transfer part, transfer part is connected with transfer main body, transfer part is helical, the outer wall of transfer part is curved wall and curved wall is outer convex, the outer wall of transfer part is provided with multiple interval arrangement's vacuum suction hole, and vacuum suction hole is used to adsorb material sheet.Effective reduction material sheet and the contact area of transfer part, and transfer part can also facilitate the slag from its surface to fall, can effectively reduce the case that material sheet appears hidden crack when being transferred in the transfer part in this embodiment, that is, reduce the case that battery piece appears hidden crack when being transferred.

The utility model relates to the technical field of drinking water processing, in particular to a sedimentation tank for rough processing of drinking natural spring water, which comprises a sedimentation tank main body, a water inlet is arranged on one side of the sedimentation tank main body, and a water outlet is arranged on the other side of the sedimentation tank main body; by arranging the sediment partition, sludge can more easily fall to the bottom of the sedimentation tank main body from the inclined surface of the sediment partition when the sedimentation tank main body is cleaned, and compared with the traditional conical bottom design, in order to ensure that sediment better falls to the bottommost part during cleaning, the conical bottom is generally higher; compared with the prior art, due to the fact that the bottom of the sedimentation tank body is directly designed into a plane, sediment is difficult to enter a drain outlet to be cleaned during cleaning, and therefore the sediment at the bottom of the sedimentation tank body can be conveniently cleaned through the designed sediment partition, and the building cost and the occupied space of the sedimentation tank body can be saved.

This utility model belongs to the field of Chinese herbal medicine slicing technology, and in particular to a Chinese herbal medicine slicing device with automatic waste collection. It includes a Chinese herbal medicine slicing machine body, a feeding plate fixedly connected to one side of the machine body, several evenly distributed lower elongated feeding holes and several evenly distributed upper elongated feeding holes on the feeding plate, a Chinese herbal medicine slice support plate below the feeding plate, an adjusting plate below the support plate, several lower and upper elongated feeding plates fixedly connected to the top of the adjusting plate, an electric telescopic rod fixedly connected to the bottom of the adjusting plate, and a waste bin below the feeding plate. The larger opening area of ​​the lower and upper elongated feeding holes facilitates the dropping of large particles and long strips of waste, and the staggered distribution of the lower and upper elongated feeding holes allows for more effective screening of waste.

The utility model discloses an air duct structure of a body dryer, and aims to provide an air duct structure of a body dryer, which is favorable for improving the heat dissipation efficiency of a motor, and comprises an air duct body, an air inlet is arranged at one end of the air duct body, and an air outlet is arranged at the other end of the air duct body; the plate filter is detachably mounted in the air inlet of the air duct body; the air direction adjusting assembly is detachably connected to the air outlet of the air duct body; the motor, the main control board and the heater are detachably mounted in the air duct body and are sequentially distributed from the air inlet to the air outlet of the air duct body; and the plurality of radiating fins are vertically and fixedly connected to the outer side of the air duct body and correspond to the motor. The utility model has the beneficial effects that the air outlet direction can be adjusted to enlarge the air sweeping range, so that the applicable range of people with different body types is enlarged, and the practicability is improved; heat generated by the motor is dissipated outwards through the heat dissipation fins, and the purpose of improving the heat dissipation efficiency of the motor is achieved.

This utility model relates to the field of measuring tool technology and discloses a foldable and storeable measuring pole device, including a support base. The top of the support base is threadedly connected to a bottom support tube. The top of the bottom support tube is provided with a measuring pole tube, which is composed of multiple tubes arranged in an equally spaced threaded pattern from bottom to top. This utility model, by incorporating the measuring pole tube and a nighttime measuring indicator light, facilitates day and night marking and measurement. The measuring pole tube, assembled from multiple threaded tubes, is easy to assemble and disassemble. When the bottom support tube and the measuring pole tube are folded and removed, they can be connected together by an anti-drop assembly line, preventing them from falling off or being lost. When disassembling the measuring pole tube, it can be folded and assembled together by multiple snap-fit ​​buckles, preventing it from being lost and making it easy to carry. This makes the device accurate and convenient for measurement, suitable for marking during alternating day and night. It also features a simple structure, easy folding and storage, good overall integrity, and is not easily dropped, making it highly practical.

The utility model relates to the technical field of air supply, in particular to a rotary kiln air supply device which comprises a pipe body, a three-way pipe is connected to the outer surface of the pipe body in an embedded mode, a cover body is connected to the upper end of the pipe body in a threaded mode, a clamping half ring is rotatably connected to the interior of the pipe body, and a screen is connected to the lower surface of the clamping half ring in a clamped mode. A mounting mechanism is rotationally connected to the inner surface of the clamping half ring, the mounting mechanism comprises a mounting ring, a threaded column and a scraper, bristles make contact with the screen, the screen can be scraped by rotating the mounting ring, sundries can fall into the collecting barrel easily, and the interior of the device can be cleaned conveniently in the later period; the large aperture of the screen does not cause large influence on air circulation, but can prevent external large-size impurities from entering the kiln, so that the pollution degree of the space in the kiln is reduced.

The utility model discloses a shower room with smooth guide rail mute assembly relates to guide rail technical field, and the utility model discloses a wall body is equipped with upper rail and lower rail on one side of wall body, and two glass doors are installed between upper rail and lower rail, and the inside of upper rail is equipped with two groups of pulleys, and the number of each group of pulleys is two, and the top of upper rail is equipped with oiling mechanism, the oiling mechanism that the utility model discloses can be coated with lubricating oil on the surface of pulley, make the pulley and upper rail form a film between, reduce direct contact, thereby reduce friction and wear, and further reduce the noise of pulley and upper rail between through friction, and the reset mechanism that sets up simultaneously makes the oiling pipe can come to the other side of cavity, and lubricating oil falls to the two sides of cavity, when the oil plate pushes lubricating oil, lubricating oil can fall to the surface of two pulleys through the leakage hole of the lower surface two sides of cavity inner wall, thereby can even lubricate pulley.