211results about How to "Avoid frictional damage" patented technology

The invention relates to the field of flexible flat cable protection, and discloses a flexible flat cable with anti-pressure ability, which comprises a flat cable body and a protection mechanism arranged on the outer side of the flat cable body, and is characterized in that the protection mechanism comprises a lower shell and an upper shell, the lower shell and the upper shell are the same in structure and are symmetrically arranged, and the upper shell and the lower shell are symmetrically arranged; the flat wire body is located between the lower shell and the upper shell, when an external object makes contact with the connecting pipe, air in the air flow channel is extruded into a cavity in the protection frame, pressure continues to be downward and is transmitted to the lower shell and the upper shell through the connecting pipe, the pressure extrudes the buffering cotton, part of air in the buffering cotton enters the protection frame, and the air in the buffering cotton enters the protection frame. The air flow is discharged to reduce the damage of the pressure to the flat wire body, a part of air is stored in the buffer cotton to reduce the extrusion of the pressure to the flat wire body, and the buffer cotton below the flat wire body, the lower shell and the connecting pipe protect the upper part of the flat wire body.

Provided is an environment-friendly mobile collecting box for decoration cutting dust. The mobile collecting box comprises a box body, wherein a water tank is fixedly mounted on one side of the bottomsurface of the inner wall of the box body, the bottom surface and the outer side of the water tank are fixedly connected to the inner wall of the box body separately, the inner side of the water tankis fixedly connected to one side of the box body, and openings are formed in the top surface and the other side of the box body; a first through hole is formed in the bottom of the inner side of theinner wall of the water tank, a switching valve is disposed in the first through hole, and a second through hole is formed in one side of the box body; the interior of the first through hole communicates with the interior of the second through hole, and the second through hole communicates with the interior of the box body; the top surface of the water tank is fixedly connected to one end of a hose, and the other end of the hose is arranged in the box body, and a floating plate is fixedly mounted on the periphery of the other end of the hose. Sediment in the box body can be pushed directly into the garbage bag through cooperative use of a mud box and a garbage bag, and the mud box can be taken and placed freely; after the mud box is taken out, a sealing cap of the garbage bag containing the sediment is removed, and after the garbage bag is replaced by a new garbage bag, the mud box is put back, and the sediment is not in contact with the mud box, and cleaning of the mud box by a user is not needed, so that time and labor are saved.

The utility model relates to the technical field of motor testing, and discloses a testing platform convenient for fixing a motor, which comprises a base, a fixing structure is arranged in a testing frame, and the fixing structure comprises a cavity, an opening, a supporting plate, a bottom plate, a moving rod, a reset spring, a fixing plate, a first air bag, a second air bag and a breather pipe. Then, a bottom plate is driven to move downwards under the extrusion of the weight of a motor, and at the moment, a pressing plate moves downwards to extrude the upper end of a second air bag, so that the upper end of the second air bag is extruded and deformed, and air in the second air bag is introduced into two groups of first air bags through two groups of ventilation pipes; the two sides of the motor are fixed through expansion of the two first air bags, so that the device is convenient to use, the situation that when the motor is clamped, a motor shell is prone to being damaged by friction due to excessive movement is avoided, and anti-slip strips are arranged on the side walls of the first air bags, so that the supporting stability of the side walls of the motor is further improved.

The utility model discloses a tubular graphite heat exchanger, and relates to the technical field of heat exchanger equipment, according to the tubular graphite heat exchanger, when a cooling medium is input, a clamping seat is connected with a dust removal net sleeve in a clamping manner, and the dust removal net sleeve is attached to the inner wall of a filter box, so that the cooling medium needs to penetrate through a filter plate to be filtered; various impurities in a cooling medium are conveniently filtered and adsorbed, friction damage to the surfaces of the graphite heat exchange tubes is avoided, the service life of the tubular graphite heat exchanger is prolonged, and when to-be-cooled materials are input into the feeding tube, hydraulic data in the tubes are monitored in real time through a hydraulic sensor; and when the hydraulic sensor detects that the hydraulic pressure in the section is too high, the electric control pressure reducing valve is electrically connected with the hydraulic sensor, so that the electric control pressure reducing valve is conveniently controlled in time to reduce the hydraulic pressure in the pipe, the graphite heat exchange pipe is prevented from being influenced by high pressure, and the graphite heat exchange pipe is protected.

The invention discloses a UV ink curing degree detection device, and relates to the technical field of UV ink detection.The UV ink curing degree detection device comprises a chassis and a detection assembly, a detection box is arranged above the chassis, and the detection assembly is arranged on one side of the interior of the detection box; the detection assembly comprises downward pressing rods, a base, buffer springs, a bottom plate, a rubber roller, a light supplementing lamp, a bottom frame, a scraping plate, a feeding opening, a rolling shaft, a guide plate, a collecting frame, a baffle and a weight meter, one side of the detection box is symmetrically connected with the downward pressing rods, one ends of the downward pressing rods are connected with the base, and one side of the base is symmetrically connected with the buffer springs. During use, the curing degree of UV printing ink can be detected and distinguished, and the position of the UV lamp is adjusted according to a detection result, so that the irradiation light intensity is adjusted, an irradiation area is cooled while detection is carried out, the temperature is prevented from being too high, materials can be stably clamped during detection, and detection misalignment caused by material deviation is avoided.

The invention relates to a vertical drilling array strong earthquake observation device and an installation method of the vertical drilling array strong earthquake observation device. Comprising an earthquake acquisition station arranged on the earth surface, multiple stages of digital three-component earthquake acceleration probes vertically downwards arranged from a well mouth to a well bottom, inter-stage connecting cylinder assemblies connected between the adjacent digital three-component earthquake acceleration probes, and grouting assemblies arranged in a well along the depth of the well; the adjacent digital three-component seismic acceleration probe and interstage connecting cylinder assembly are connected through a joint assembly; all stages of digital three-component seismic acceleration probes are electrically connected together, and the seismic acquisition station is electrically connected with the first stage of digital three-component seismic acceleration probe. According to the vertical drilling array strong earthquake observation device and the installation method thereof, the installation and filling process is simplified, tube wave interference and azimuth angle deviation are eliminated, and whole-course fine monitoring of seismic oscillation spreading from the deep position of the soil layer to the ground surface is achieved.

The invention discloses a production device and a production process of a microporous light calcium silicate insulation board, and relates to the technical field of calcium silicate insulation board production. The production device of the microporous light calcium silicate insulation board comprises a hydraulic device, an upper die base installed at the telescopic end of the hydraulic device and an upper die plate fixed to the lower surface of the upper die base, and further comprises a lower die base, a groove is formed in the upper surface of the lower die base, a center plate is installed in the middle of the groove, and triangular plates are installed at the four corners of the groove in a sliding mode. The shaft sleeve rotates reversely through the clockwork spring, so that the triangular plate is separated from the center plate, the center plate moves upwards, an insulation board body on the center plate is separated from the lower die base, and the contact area between the formed insulation board body and the forming cavity is reduced; therefore, friction damage between the insulation board body and the forming cavity is avoided to the greatest extent, and insulation board body forming quality is improved.

The utility model relates to the technical field of building construction equipment, and particularly discloses building construction hoisting equipment which comprises a shell, an opening is formed in one side of the shell, a baffle is connected to the opening in a sliding mode, and a guide mechanism is connected to the position, located among a plurality of partition plates, of the inner bottom of the shell. Two sets of locking mechanisms are arranged on the upper portion of the outer side of the shell, the guiding mechanism comprises a plurality of guiding assemblies, each guiding assembly comprises a belt, limiting strips are fixed to the two sides of the outer portion of the belt, a plurality of anti-slip strips arranged at intervals are fixed between the two limiting strips, and each locking mechanism comprises a fixing frame and a connecting sleeve shell. The connecting sleeve shell is fixedly connected with the shell, the fixing frame is connected into the connecting sleeve shell in a sliding mode, and a plurality of rubber rollers arranged at intervals are rotationally connected to the lower portion of the fixing frame; according to the utility model, the hoisting stability and the hoisting efficiency are improved, and the damage to the glass when the glass is placed and taken can be avoided.

The utility model discloses a roof steel plate transportation device, and relates to the technical field of plate processing and transportation. One end of the upper surface of a supporting plate is provided with a limiting baffle A used for limiting and blocking the end of a plate, the upper surface of the supporting plate is provided with a groove, and the end, away from the limiting baffle A, of the groove is of an open structure; a movable supporting plate capable of sliding outwards to be adjusted through an opening of the groove is arranged in the groove, and a limiting baffle B corresponding to the limiting baffle A is arranged at the end, away from the supporting plate, of the upper portion face of the movable supporting plate; the end, close to the limiting baffle A, of the upper face of the supporting plate and the end, close to the limiting baffle B, of the upper face of the movable supporting plate are each provided with a limiting mechanism used for clamping and fixing the two sides of a plate. According to the plate conveying device, adaptive adjustment can be conducted according to the sizes of plates, the plates can be firmly and stably limited and clamped, and the plates are effectively prevented from being damaged by friction caused by vibration or inertia in the conveying process.

The utility model discloses die steel with strong wear resistance, which relates to the technical field of die steel, and comprises a die steel main body, the end part of the die steel main body is provided with a protective structure, the protective structure comprises a protective plate, a mounting groove and a soft block, the mounting groove is arranged on the end surface, facing the end part of the die steel main body, of the protective plate, and the soft block is fixedly arranged in the inner cavity of the mounting groove. By means of the arrangement mode that the protective structures and the connecting structures are matched, the ends of the die steel bodies can be safely protected, and therefore when the die steel bodies are moved, transported or stacked, the adjacent die steel bodies can be prevented from being attached to each other, friction damage to the die steel bodies caused by collision can be avoided, and the die steel bodies are protected. The safety of the die steel main body during moving or placing is effectively improved, the service life of the die steel main body is further prolonged, meanwhile, the protection plate is convenient to disassemble and assemble, high in flexibility and capable of being repeatedly used, and the safety protection cost of the die steel main body is reduced.

The invention relates to the technical field of compressor accessory machining, in particular to a screw compressor accessory CNC machining device which comprises a U-shaped frame with a downward opening. The device further comprises a limiting unit, the limiting unit is arranged on the horizontal section of the U-shaped frame, the limiting unit comprises a height adjusting component connected to the lower end of the horizontal section of the U-shaped frame, the height adjusting component is sleeved with a lifting plate, and a distance adjusting component is arranged at the position, close to the left side, of the lifting plate. According to the limiting unit, the shaft hole of the sealing end cover is used for directly conducting inner clamping and rotation limiting on the sealing end cover, limiting operation is simple and efficient, full contact clamping ensures that the sealing end cover is in a continuous clamping stable state, the sealing end cover is prevented from generating deviation or friction damage, and the service life of the sealing end cover is prolonged. And therefore, the polishing and positioning accuracy and the polishing effect are improved.

The invention relates to the technical field of centrifugal pumps, in particular to a self-suction centrifugal pump with a self-cleaning function, which comprises a motor, a pump body fixedly connected to the output shaft end of the motor, an inlet pipe fixedly connected to the left end of the pump body through a flange plate, a filter plate fixedly connected to the inside of the inlet pipe, and a cleaning box fixedly connected to the side wall of the inlet pipe. A cleaning head is arranged in the cleaning box and used for cleaning the filter plate, a power driving mechanism is arranged in the inlet pipe and used for driving the cleaning head to move up and down in a reciprocating mode, and the power driving mechanism comprises a connecting assembly and turbine blades. Large particles can be intercepted through the arranged filter plate, so that the problem that when water containing large-particle gravel is sucked, the solid particles can abrade the impeller can be avoided, meanwhile, the cleaning head driven by the power driving mechanism reciprocates up and down, the filter plate can be automatically cleaned, and the cleaning efficiency is improved. Therefore, the problem of blockage caused by large sand can be avoided.

The invention relates to the technical field of truss positioning devices, in particular to a double-layer large-span truss integrated small unit assembling mechanism and method. Comprising vertical frames, sliding rails are arranged on the two sides and the middle of each vertical frame, and the multiple vertical frames are spliced end to end to form a supporting jig frame; the guide assemblies are arranged on the sliding rails on the two sides of the vertical frame in pairs, and the two guide assemblies can form a V-shaped limiting channel and are used for guiding the truss to be aligned; the supporting assemblies are arranged on the sliding rails in the middle of the vertical frame in pairs, and locking pieces in butt joint with the guiding assemblies are arranged below the supporting assemblies; through cooperation of the supporting assembly and the guiding assembly, in the hoisting and falling process of the truss, the truss is rapidly guided to reach the designated position through guiding correction, the alignment time is effectively shortened, and the construction difficulty is reduced.

The utility model discloses a convenient spoon based on baby dining, and relates to the technical field of spoons, the convenient spoon comprises a handle, the inner wall of the handle is slidably connected with a push rod, the left side of the push rod is fixedly connected with a push plate, the right side of the handle is fixedly connected with a spoon body, and the inner wall of the spoon body is provided with a cavity. An air bag skin is fixedly connected to the inner surface of the spoon body, the main material of the air bag skin is nylon, the expansion mechanism comprises an air pipe fixedly connected to the bottom end of the inner wall of the handle, and a second piston plate is slidably connected to the inner wall of the air pipe. Meanwhile, air on the inner wall of the air pipe is pushed out from the arc-shaped opening and enters the inner cavity of the spoon body communicated with the handle, the air pressure of the spoon body is large, the air bag skin is pushed upwards, and when the cavity is filled with the air, the spoon body is changed into a round shape, so that the situation that the upper lip of the baby is injured by friction due to bad introduction of the spoon is prevented.

The invention discloses constructional engineering construction carbon emission monitoring equipment, and belongs to the technical field of constructional engineering, the constructional engineering construction carbon emission monitoring equipment comprises a cylinder, an air suction fan is mounted in the cylinder, a carbon emission monitor is fixedly mounted on the side, away from an air inlet, of the air suction fan in the cylinder, and a protective net and dustproof cloth are sequentially arranged at the air inlet in the air inlet direction; an annular space communicated with the interior of the barrel is formed in the barrel, the dustproof cloth is movably installed in the annular space through a support, a fixing frame is fixedly installed on the side, away from the protective net, of the dustproof cloth in the barrel, a sliding groove is formed in the middle of the fixing frame, a sliding block is slidably installed in the sliding groove in a limited mode, and a first spring is fixedly connected between the sliding block and the side wall of the sliding groove. A second motor is fixedly installed on the sliding block, an output shaft of the second motor is fixedly connected with the support, and a fan-shaped balancing weight is eccentrically arranged on the support. Dustproof cloth shakes in a reciprocating mode in the rotating process, dust is separated from the dustproof cloth, the dust removal effect is guaranteed, and friction damage to the dustproof cloth caused when a brush cleans the dustproof cloth is avoided.

The utility model relates to the technical field of cement dust collection, in particular to a cement kiln bag dust collection device. According to the technical scheme, the device comprises a supporting plate, connecting pipes, connecting rings and a connecting frame, a cloth bag body is arranged in the supporting plate, the connecting pipes are movably installed on the outer walls of the two sides of the supporting plate, the connecting rings are installed on the outer walls of the lower ends of the connecting pipes, and the connecting frame is installed on the outer wall of one side of each connecting ring. According to the dust removal device, the effect of cleaning the cloth bag body is achieved, friction damage to the cloth bag body is avoided, the service life of the cloth bag body is guaranteed, gas and dust are prevented from entering the cloth bag body, and cleanliness of the interior of the cloth bag body in the dust removal process is guaranteed.

The utility model discloses an adjustable television connection hanger belongs to television installation equipment technical field, including wallboard, adjusting arm, hanging board, connecting plate, crosspiece and hook adapter, the wallboard is connected with the hanging board through adjusting arm, the connecting plate is fixed in one side of hanging board, the crosspiece is two, two crosspiece symmetry is installed in the connecting plate, the hook adapter is two, and is installed with the inner hook on the hook adapter, the hook adapter cooperation inner hook is installed on the crosspiece, be equipped with the pitch adjusting bolt on the inner hook, two extension rods are movably connected in the crosspiece, the bottom of crosspiece is fixed with a plurality of cable fixer. This adjustable television connection hanger not only reduces the transportation cost, guarantees the stability after television installation simultaneously, and is suitable for different size television, and can effectively fix cable.

The invention discloses a cigarette case conveying channel, and relates to the technical field of cigarette case manufacturing and conveying equipment. The cigarette case conveying device comprises a first conveying belt, a second conveying belt and a leading-in mechanism, a conveying channel for conveying cigarette cases is arranged between the first conveying belt and the second conveying belt, and the leading-in mechanism is arranged between an inlet of the conveying channel and a cigarette case outlet of the gluing equipment in a communicating mode; the guiding-in mechanism comprises two limiting assemblies which are oppositely arranged up and down, a guiding-in channel is formed between the two limiting assemblies and used for guiding the cigarette case to enter the conveying channel from the gluing equipment, and the limiting assemblies are further used for making contact with and limiting adhesive box paper at the lap joint position of the end face of the cigarette case. According to the cigarette case conveying channel, the leading-in mechanism is arranged at the front end of the conveying channel, the leading-in channel communicating the conveying channel with the cigarette case outlet of the gluing equipment is formed, and therefore a cigarette case lap joint opening is effectively prevented from being opened before glue is dried and solidified, the cigarette case is guided into the conveying channel through the leading-in mechanism, and cigarette case conveying blockage is avoided.

This utility model discloses an integrated fixing device for a stroke sensor and wiring harness in the beam section of a mining truck, comprising: a mounting frame, fasteners, and cable fasteners; the mounting frame is a downward-opening U-shaped structure, including a horizontal plate and two vertical plates. One end of the top surface of the horizontal plate has a sensor mounting position for mounting the stroke sensor, and the other end has a cable fastener for fixing the wiring harness connected to the stroke sensor. The bottom of the vertical plates has two sets of horizontally arranged mounting holes, and the inner distance between the two vertical plates corresponds to the width of the mining truck beam; at least two sets of fasteners are respectively inserted through the two sets of mounting holes. This utility model, by setting a U-shaped mounting frame corresponding to the width of the mining truck beam and integrating a sensor mounting position and cable fastener on the mounting frame, achieves coordinated fixing of the stroke sensor and wiring harness in the beam section of the mining truck, effectively preventing friction damage, loosening, and electrical short circuits of the stroke sensor wiring harness.

The utility model relates to a sliding rail assembly and a sliding rail device, and the sliding rail assembly comprises a rail which is provided with a rail groove along the length direction; the flexible seam shielding belt at least shields the track groove; and the shielding assembly is at least arranged between the track groove and the flexible seam shielding belt, and the shielding assembly is configured to move in the length direction of the track. The flexible seam shielding belt and the shielding assembly are arranged, the flexible seam shielding belt does not affect movement of the shielding assembly in the track groove in the length direction of the track, and the shielding assembly does not affect the shielding effect of the flexible seam shielding belt on the track groove, so that in the process that the seam shielding assembly moves in the length direction of the track, the seam shielding assembly can shield the track groove. The flexible seam shielding belt keeps shielding the track groove all the time so as to prevent sundries from entering the track groove to affect normal movement of the shielding assembly.

The utility model provides a kind of stroke detection device for electric push rod, for electric push rod's stroke detection device includes electric push rod body and bottom plate, electric push rod body is detachably connected on bottom plate upper end face, bottom plate upper end face is fixedly connected with scale board, scale board side wall is slidably connected with lifting plate, abutting plate is arranged below lifting plate, driving piece is inserted in scale board, driving abutting plate lifting, bottom plate upper end face is slidably connected with the limiting component one of electric push rod body to front and rear limit, lifting plate lower end face is fixedly connected with the limiting seat of electric push rod body to left and right limit, movable plate driven by double-end thread screw rod and bolt nut fixed limiting seat cooperate to limit electric push rod body, both avoid the friction damage of electric push rod and the side wall of detection cylinder, and eliminate the stroke measurement error caused by inclination, significantly improve the precision of detection.

The utility model relates to charging pile technical field, concretely relates to a charging pile charging socket protection device, including charging pile body, the surface fixedly connected with connecting wire of charging pile body, one end fixedly connected with charging head of connecting wire, the one side of charging pile body is provided with the socket, the surface fixedly connected with auxiliary board of charging pile body, the outside of socket is provided with protection structure, the protection structure includes the protection frame, the surface slidingly connected with the protection board of protection frame, the bottom of protection frame is equipped with the sliding slot, the inside slidingly connected with the sliding plate of sliding slot, one side fixedly connected with the clamping block of sliding plate, the utility model sets up the protection structure, avoids the damage of socket or charging head to cause the socket to go in the outside sundries, sets up the auxiliary board, avoids the arbitrary shaking of connecting wire or the friction damage with ground, wall, vehicle, is more convenient to use.

The invention discloses a silicon carbide tape reel defect detector, which comprises: a bearing seat on which a rotatable carrying disc is arranged; the three-coordinate moving device comprises a rack, a Y-axis mover, a cross beam, an X-axis mover and a Z-axis mover, the Y-axis mover is arranged on the opposite side of the rack, the end of the cross beam is fixedly installed on a Y-axis moving seat of the Y-axis mover, the X-axis mover is arranged in the length direction of the cross beam, and the Z-axis mover is fixedly installed on an X-axis moving seat of the X-axis mover; and the visual camera is fixedly mounted on a Z-axis moving seat of the Z-axis mover. Compared with the prior art, the problem that silicon carbide tape reel defect detection is inconvenient due to the fact that the image collection position of an existing visual detection device is fixed is solved.

The utility model discloses a ground rail type conveying belt, which relates to the technical field of conveyors and comprises a ground rail trolley, two sliding rails are connected to the top of the ground rail trolley, supports are connected to two sides of the top of the ground rail trolley, servo electric cylinders are mounted above one sides of the two supports, and the output ends of the servo electric cylinders are connected with clamping plates. One side of the clamping plate is connected with a clamping pad, and the other side is connected with a roller. Through the arrangement of the support, the servo electric cylinder, the clamping plates and the sliding rails, after feeding, the output end of the servo electric cylinder drives the clamping plates to move, the clamping plates abut against goods, the phenomenon that the goods are collided or fall off due to displacement is avoided, the stability in the transferring process is improved, the clamping plates are n-shaped, collision between the clamping plates and a conveying belt is avoided, and the working efficiency is improved. The slide rails are arranged to assist in supporting the clamping plates; and the phenomena of collision and falling of the goods are effectively avoided.

This utility model discloses a pre-treatment device for kimchi processing, relating to the field of kimchi processing technology. The utility model includes: a washing tank with a drain pipe connected to the bottom of one side; a water-passing plate fixed in the middle of the washing tank, with a drain outlet at one end of the water-passing plate; a U-shaped plate positioned above the water-passing plate, with mesh cylinders evenly embedded on the bottom side of the U-shaped plate, into which vegetables to be washed are placed one by one; and a driving mechanism positioned above the water-passing plate. This utility model uses conical mesh cylinders to independently wrap the cabbage, avoiding the frictional damage to the leaves caused by high-density stacking in traditional washing methods. It also ensures that water flows evenly into the gaps between the leaves, improving the thoroughness of the washing. The driving mechanism enables high-frequency, low-amplitude reciprocating motion of the U-shaped plate, simulating the effect of hand rubbing and enhancing the efficiency of stain removal.

The utility model relates to a vertical tube course integral type fog cooler belongs to energy -conserving and environment -protecting technical field, and the vertical casing independently is provided with condensing chamber, demisting chamber and confluence chamber, is provided with condensing pipe group in condensing chamber, demisting chamber and confluence chamber pass through condensing pipe group intercommunication, first demister is provided in demisting chamber, and after the outside saturated wet gas enters vertical casing, passes first demister and condensing pipe group tube in proper order and is discharged from confluence chamber. The application integrates demisting and condensing function in vertical casing, and through independent chamber cooperation, replaces two sets of independent equipment, greatly reduces the floor area and external pipeline connection, reduces system resistance and energy consumption, simultaneously simplifies the installation process, reduces equipment purchase and operation cost.

The utility model belongs to the technical field of inspection and detection, and particularly relates to a high-altitude falling protection device applied to a sensor, and the device comprises a fixed cover which is used for fixing the sensor; the shell is arranged on the outer side of the fixed cover and is configured to protect the sensor; an elastic rope is further arranged between the fixing cover and the shell, the two ends of the elastic rope are connected with the outer surface of the fixing cover and the inner surface of the shell respectively, a threading hole is further formed in the shell and is configured to contain a connecting wire of the sensor, the shell is of a spherical structure, and the elastic rope is arranged on the outer surface of the fixing cover and the inner surface of the shell. Therefore, the shell completely covers the sensor. By means of the scheme, the sensor can be fixed in the shell in a suspended mode, the spherical structure can reduce overall abrasion damage in the dragging process of a sensor connecting line, meanwhile, friction damage caused by the fact that the sensor makes contact with a tower structure is avoided, and it is guaranteed that the sensor cannot be violently collided even if falling and colliding occur; therefore, a good protection effect is achieved.

The application discloses a modular cable hanging device and a use method, and belongs to the technical field of mine machinery. The device comprises a hanging mechanism, two supporting mechanisms are arranged on the hanging mechanism, the hanging mechanism comprises three hangers, a falling-prevention assembly is arranged above the hangers, and a cleaning assembly and a driving assembly are arranged in the falling-prevention assembly. The driving assembly can change the cable hanging position through forward rotation or reverse rotation, so that the fatigue damage of the cable caused by repeated bending during movement is avoided, the risk of cable breakage is effectively reduced, the service life of the cable is prolonged, and the cleaning assembly can reciprocally rotate in cooperation with the arc-shaped inclined strips during the switching of the clamping position, so that the dust on the surface of the cable can be quickly cleaned. In addition, the cleaning assembly can clean the surface of the cable in a large range as the clamping position of the cable is switched to different lengths, and the running safety and maintenance convenience of the cable are improved.

The utility model discloses a dust-free workshop tow chain cable, including central filling strip, core wire, first nylon yarn braid layer, sheath layer and second nylon yarn braid layer from inside to outside, there are a plurality of core wire and are arranged around the central filling strip, each core wire includes conductor and the insulating layer wrapping the conductor, and the insulating layer is arranged around the central filling strip. The conductor is formed by performing S-direction bunch stranding on conductor monofilaments and then performing S-direction back-twisting and compound stranding on the conductor monofilaments. According to the embodiment, dust generated by sheath friction can be reduced, and the service life of the cable is ensured.

This utility model discloses a watering device for Gastrodia elata cultivation, relating to the field of watering technology for Gastrodia elata cultivation. The watering device includes a protective cover plate, a watering cylinder at the lower end of the protective cover plate, and multiple watering heads arranged in an equidistant array on the lower outer wall of the watering cylinder. An installation assembly is located at the upper end of the protective cover plate, and a variable frequency motor is installed on one side of the installation assembly. The output of the variable frequency motor drives the protective cover plate to rotate. An installation groove is provided inside the protective cover plate, with an open lower end and an arc shape. The watering cylinder is inserted into the installation groove. This solution solves the problem that in existing Gastrodia elata cultivation watering methods, most require a single pipe to correspond to a single planting line, necessitating multiple pipes to water each planting line individually, resulting in low watering efficiency, time-consuming and labor-intensive processes, and significant resource waste.