666results about How to "Improve disassembly efficiency" patented technology

The utility model relates to a cleaning head and a cleaning device. The first shifting button part is arranged on the spray head body, when the dust cover needs to be taken down, the first shifting button part is shifted, the first shifting button part abuts against the first clamping part, the first clamping part and the second matching part on the dust cover can be disconnected, and the first clamping part and the first matching part are still kept in the connection state; and the handle and the nozzle main body are still in a connection state. Therefore, the handle and the nozzle body do not need to be reconnected after the dust cover is disassembled, the dust cover is directly assembled after being cleaned, the trouble that the handle needs to be reconnected after the dust cover is disassembled from the nozzle body is avoided, the operation process is simplified, the complexity of subsequent operation is reduced, and the disassembly and assembly efficiency is improved. Meanwhile, the handle and the spray head body do not need to be frequently connected after the dust cover is detached, so that the abrasion risk between the handle and the spray head body is remarkably reduced, the service life of the handle and the service life of the spray head body are prolonged, and the use stability and use reliability of the cleaning head are guaranteed.

The utility model discloses a multi-point oxygen supply device for freshwater aquaculture, which comprises an oxygen pipeline, and mounting mechanisms are fixedly mounted on one side of the oxygen pipeline at equal intervals in a linear arrangement manner. By the adoption of the structure, the mounting mechanism is arranged, the dismounting, mounting and overhauling efficiency of the oxygen supply assembly can be improved, during mounting during use, the limiting spring pushes the sliding block, the connecting arm and the limiting block to act, the limiting block is clamped with the clamping groove of the external pipe, rapid fixing of the sleeving head and the external pipe is achieved, and the service life of the external pipe is prolonged. During overhauling, the corresponding adjusting valves can be independently adjusted to close a fault pipeline, normal oxygen supply of other assemblies is not affected, meanwhile, the adjusting plates drive the guide frames and the movable blocks to extrude the pushing blocks, the connecting arms are expanded to enable the limiting blocks to be separated from the clamping grooves, the sleeve connectors can be rapidly disassembled, overhauling time is shortened, and the overhauling efficiency is improved. And the maintenance cost is reduced while stable operation of the oxygen supply system is ensured.

This utility model relates to the field of indoor monitoring, specifically to an indoor environmental monitoring and detection device, including a base and a detection device body. The upper surface of the base has multiple mounting holes and a convenient assembly / disassembly mechanism. This mechanism includes an installation component, two disassembly components, and two positioning components. The installation component includes a first mounting seat fixedly connected to the bottom surface of the base, and a second mounting seat slidably connected within the first mounting seat. This utility model, through its installation component, enables rapid installation between the detection device body and the base; through its disassembly components, it enables rapid disassembly of the detection device body; and through its positioning components, it provides precise guidance for the sliding of the second mounting seat, preventing rotation after installation and further improving the stability of the device, ensuring stable operation of the detection sensor.

This utility model relates to the field of automotive parts processing, and more particularly to a stamping device for automotive parts processing that facilitates mold replacement. This utility model provides a stamping device for automotive parts processing that allows for quick installation and replacement of the upper mold, improving disassembly and assembly efficiency. The stamping device includes a support base, a connecting frame, and a hydraulic cylinder. The connecting frame is connected to the upper side of the support base, and the hydraulic cylinder is connected to the connecting frame. This utility model utilizes a starting motor to drive a bidirectional lead screw to rotate, causing a slider to move downwards and insert a locking block into the upper mold. During insertion, the locking pin is compressed and moves downwards. After the spring is compressed and returns to its original position, it moves the locking pin upwards to reset and engage with the upper mold, achieving the effect of quick installation and replacement of the upper mold, improving disassembly and assembly efficiency.

The utility model relates to the technical field of luggage, in particular to a luggage quick-release mechanism of a skateboard luggage, which comprises a scooter. A scooter head vertical rod is fixedly connected to the rear side of the upper end of the scooter, a supporting seat is arranged at the rear end of the scooter head vertical rod, and a luggage body is fixedly connected to the upper end of the supporting seat through a magnetic attraction block; through the use of the limiting clamp and the connecting column, installation and fixation of the supporting seat and the headstock vertical rod are realized, the operation is simple, the device is suitable for headstock vertical rods with different specifications and thicknesses, the application range of the luggage is expanded, different luggage does not need to be equipped for different sliding plates, the cost is reduced, the limiting clamp is tightly installed, the stability is high, and the practicability is high. The two sets of connecting columns move inwards, the magnetic attraction blocks are close to the mounting base to be automatically attracted and aligned, the luggage body and the supporting base are preliminarily fixed, the connecting columns are loosened to move towards the luggage body, mounting and connecting of the luggage body and the supporting base are achieved, tools are not needed, overall dismounting and mounting are easy and fast, and the dismounting and mounting efficiency and the user experience feeling are improved.

The utility model discloses a module composite lifting appliance, concretely relates to lifting appliance technical field, including bottom piece subassembly, bottom piece subassembly top is provided with lifting subassembly, and bottom piece subassembly top is provided with clamping subassembly, bottom piece subassembly includes bottom plate, and the plurality of sectorial column is fixedly connected with at bottom plate top, and the bottom disc is fixedly connected with at bottom plate top center, and the plug -in post is fixedly connected with at bottom disc top center, and the plurality of fender is fixedly connected with at bottom plate top, and the handle no.

This invention discloses a surgical field gimbal imaging device and method, relating to the field of medical auxiliary devices. The device includes a mounting base, a fixed column fixedly connected to one side of the mounting base, a columnar connecting groove on the side of the fixed column away from the mounting base, a connecting column inserted into the columnar connecting groove, and a connecting seat fixedly connected to the side of the connecting column away from the mounting base. A camera body is mounted on the other side of the connecting seat via a multi-directional rotation mechanism. Multiple limiting mechanisms are also included, used to limit the connection between the fixed column and the connecting column. Each limiting mechanism includes an L-shaped frame fixedly connected to the side wall of the fixed column. Compared to traditional imaging devices and head-mounted supports directly connected via multiple screws, this solution uses a connecting seat at the connection point. The connecting seat and the imaging device employ a simpler, detachable connection method, facilitating disassembly, inspection, and maintenance of the imaging device.

The utility model provides a kind of vibrating screening machine, belong to screening technical field, including upper shell and lower shell, filter screen is arranged between upper shell and lower shell, it is characterized by: the outer surface of upper shell and lower shell is provided with mounting assembly, mounting assembly includes the hinged seat of being set in the both sides of lower shell, the both sides on upper shell are provided with U-shaped limit block, hinged seat is rotatably provided with hinged block, threaded rod is provided on hinged block, fixed knob block is threadedly arranged on threaded rod;The utility model can reduce the installation and dismounting steps of upper shell and lower shell, to improve installation and dismounting efficiency.

The utility model discloses a mounting structure of a helicopter rotor shaft dynamic sealing ring dismounting tool, which comprises a base, a dismounting head is arranged at the top of the base, the dismounting head comprises a push-and-pull disc, vertical rods are fixedly connected to the top of the push-and-pull disc in an annular array, a top disc is fixedly connected to the tops of the vertical rods, and the top disc is fixedly connected to the top of the push-and-pull disc. Hinge grooves penetrating to the bottom are formed in the top of the top disc in an annular array mode, hydraulic push rod sleeve connecting rods are fixedly connected to the bottoms of the inner sides of the multiple vertical rods, hydraulic push rod sleeves are fixedly connected to the inner sides of the multiple hydraulic push rod sleeve connecting rods, and second hydraulic push rods are fixedly connected to the inner walls of the hydraulic push rod sleeves. Through the arrangement of the dismounting head, the dismounting process of the sealing ring and the rotor shaft is simplified through the design of the dismounting tool, the dismounting efficiency and safety are remarkably improved, through accurate control of a hydraulic system, it is ensured that dismounting force is evenly applied, and the problem that the sealing ring is damaged or is not thoroughly dismounted due to the fact that the force is too large or too small is solved.

This application relates to a force-controlled belt sander and grinding equipment, applicable to the field of belt sanders. It includes a force-controlled actuator, a connecting structure, and a grinding mechanism. The grinding mechanism is detachably mounted to the force-controlled actuator along a first direction via the connecting structure. The connecting structure includes a connecting end plate for connecting the force-controlled actuator, multiple connecting parts, and multiple sets of locking parts. The connecting parts are spaced apart along the periphery of the connecting end plate, extend along the first direction, and connect to the grinding mechanism. The locking parts are correspondingly arranged with the connecting parts and can be inserted into the connecting parts and the connecting end plate along a second direction to fix the connecting end plate to the connecting parts. By setting the locking parts to be fixed from the side of the force-controlled actuator and the grinding mechanism, this application expands the operating space during locking part assembly, allowing maintenance personnel to perform disassembly and assembly operations more conveniently, thereby effectively improving the disassembly and assembly efficiency of the force-controlled belt sander and reducing assembly difficulty.

The utility model discloses a bottom die locking structure of a bottle blowing die, which relates to the technical field of bottle blowing dies and comprises a bottom die, an inner bayonet seat, a bottom die water conveying disc, a connecting seat and a bottom die seat which are detachably connected in sequence, and a locking shaft and a machine clamping seat fixed on a bottle blowing machine are additionally arranged on the basis of the bottom die, the inner bayonet seat, the bottom die water conveying disc, the connecting seat and the bottom die seat. The locking shaft penetrates through the bottom die base and is provided with a horizontal through groove, and the machine clamping base is provided with a horizontal clamping pin. The bottom die is pushed laterally, so that the horizontal through groove of the locking shaft is in transverse clamping fit with the clamping pin, and rapid locking of the die is achieved. And clamping can be relieved by reverse side pushing, and disassembly is completed. A traditional multi-bolt fixing mode is abandoned, the disassembly and assembly time is remarkably shortened, meanwhile, the mold locking stability is ensured through rigid matching of transverse clamping, and the mold locking mechanism is suitable for high-frequency production scenes.

This utility model relates to the technical field of blow-fill-seal integrated machines and discloses a mold disassembly and placement device, comprising a placement component installed on the side of the machine frame. The machine frame contains a drive sprocket and a driven sprocket, with a chain link mounted on the drive sprocket. The drive sprocket is connected to the driven sprocket via the chain link, and a mold body is mounted on each link of the chain link. This mold disassembly and placement device, by setting up a placement component installed on the machine frame of the blow-fill-seal integrated machine, allows for mold body maintenance and replacement when the mold body needs to be replaced. The mold body near the placement component is adjusted to a horizontal position, and the positioning knob is loosened to move the placement plate along the fixing component towards the machine frame until the placement plate is flush with the frame. Then, the positioning knob is tightened to provide a placement position for the installed or removed mold body, facilitating disassembly and assembly operations.

The utility model discloses a continuous flow plate type micro-channel reactor, which relates to the technical field of micro-channel reactors, and comprises a micro-channel reactor consisting of a front cover plate, a microporous reaction plate and a rear cover plate, and a quick assembly component, and the quick assembly component is used for realizing the convenient assembly of the front cover plate, the microporous reaction plate and the rear cover plate; the quick-mounting assembly comprises a quick-connecting unit and a reinforcing unit; the quick connection unit is used for achieving mutual limiting and fixing of the rear cover plate and the front cover plate. And the reinforcing unit is used for locking and reinforcing the fixing state of the quick connecting unit. According to the utility model, the micro-channel reactor can be disassembled and assembled by arranging the quick assembly component, a bolt fastening structure of the existing micro-channel reactor is replaced by a clamping structure consisting of the butt-joint column, the C-shaped clamping groove and the rectangular plate, and compared with the traditional bolt fastening structure, the locking structure of the reinforcing plate by the stud and the nut has the advantages that the structure is simple and convenient; the screwing and unscrewing actions of the nut are obviously reduced, and the disassembly and assembly efficiency of the micro-channel reactor can be effectively improved.

A device component for assisting in the disassembly of hydraulic mud gun nozzles relates to the field of blast furnace ironmaking equipment. It includes a nozzle clamp and a nozzle retaining ring. The nozzle clamp includes a hammer head with a nozzle retaining groove at its lower front end. The nozzle clamp acts on the nozzle fixing groove through the retaining groove. The nozzle retaining ring includes a retaining ring portion and a clamping portion. The retaining ring portion has a semi-circular structure, and the clamping portions are symmetrically arranged at the end of the retaining ring portion to form a U-shaped structure. The nozzle retaining ring is engaged in the gap between the gun head and the nozzle through the retaining ring portion and secured by the clamping portion. By using the nozzle clamp as an extension to engage at the nozzle fixing point, tapping the nozzle clamp easily rotates the nozzle. Then, inserting the nozzle retaining ring into the gap between the gun head and the nozzle, and tapping the tapping point on the nozzle retaining ring disassembles the nozzle. The component has a simple structure, is easy to use, and can effectively improve the disassembly efficiency of the nozzle while reducing the physical exertion of the operator.

The utility model discloses a support device for engineering surveying relates to engineering surveying technical field, including installation platform, telescopic support foot and total station, the number of telescopic support foot is three, and all rotationally connected in installation platform lower extreme a week, total station sets up installation platform top, and with installation platform swing joint. The utility model discloses the cooperation of installation platform, telescopic support foot, total station, docking groove, placement groove, fixing device, clamping joint assembly, linkage control mechanism, linkage, control self -locking spare, worm, knob, docking seat, draw -in groove and packaging board is used, need not work piece and screw thread cooperation can realize total station quick docking installation and disassembly, shorten operation preparation time, and can avoid the problem of the thread abrasion, improper operation and cause the silk and structural damage, connect stablely simultaneously, and the total station accidental drop possible of great reduction.

The utility model relates to the technical field of steel structure disassembly, and provides a high-efficiency energy-saving steel structure intelligent disassembly manipulator, which combines a shearing structure with intelligent monitoring, and improves the efficiency and the energy-saving property of steel structure disassembly. The support frame is matched with the limiting plate to realize rapid positioning and accurate limiting, so that stable shearing is guaranteed; the pressure sensor monitors stress in real time and assists in adjusting power, overload is avoided, and the shearing precision is improved. The shearing device has the advantages that the supporting frame is matched with the limiting plate to achieve rapid positioning and accurate limiting, and stable shearing is guaranteed; the pressure sensor monitors stress in real time and assists in adjusting power, overload is avoided, and the shearing precision is improved. The shearing assembly utilizes a splayed extrusion groove and a reset spring, power conversion is optimized, energy consumption is reduced, and rapid reset is achieved after shearing so as to improve the operation efficiency. The problems that traditional equipment is low in efficiency, high in energy consumption, insufficient in safety and the like are solved.

The utility model provides a flue hanging hole three-dimensional plugging device, which belongs to the technical field of building construction and comprises a pre-buried frame, a first fixing block and a second fixing block, the first fixing block and the second fixing block are arranged on the pre-buried frame, a pressing strip is arranged on the side wall of the pre-buried frame, and the first fixing block is fixedly connected to the inner wall of one side of the pre-buried frame. A first positioning groove is formed in one end of the first fixing block, and a shaft groove is formed in one side of the first fixing block. According to the embedded box, the two mutually-spliced embedded frames are combined into the whole embedded box, the contact area of the single embedded frame and concrete is reduced when the single embedded frame is subjected to mold removal, meanwhile, friction force is correspondingly reduced instead of overall large friction force, and therefore the mold removal efficiency is improved, after the embedded frame is divided into the two parts, stress is dispersed, the embedded frame can be more evenly and controllably removed, and the mold removal efficiency is improved. The damage risk of the embedded frame and the concrete structure is reduced, meanwhile, the positioning assemblies arranged between the embedded boxes can guarantee the strength of the embedded frame after assembly, later disassembly is facilitated, and the overall disassembly and assembly efficiency is improved.

The utility model discloses a combined anti -static stool, it includes stool seat, lifting mechanism, stool frame and stool foot, be equipped with buckle connecting structure and anti -static grounding structure between the stool seat with lifting mechanism, between lifting mechanism with the stool frame. The utility model discloses through setting buckle connecting structure is used for making the detachable assembly connection between the stool seat and lifting mechanism, between lifting mechanism with the stool foot, improves the efficiency of assembly or disassembly, and the maintenance replacement of single component is convenient, does not need to replace the whole the combined anti -static stool, reduces maintenance cost. The utility model discloses through setting by anti -static grounding structure guarantees the grounding adhesion stability between the stool seat and lifting mechanism, between lifting mechanism with the stool foot, thereby improves the grounding adhesion area when connecting, guarantees the effect of subsequent grounding conduction, guarantees anti -static performance and effect.

The application relates to a quick dismounting structure and method for a heavy mold, and relates to the technical field of mold manufacturing. The quick dismounting structure comprises a mounting mold frame and a heavy mold arranged on the mounting mold frame. The mounting mold frame comprises a lower mold base for supporting the heavy mold, an upper mold frame, and a wedge block assembly wedged between the heavy mold and the mounting mold frame. The heavy mold is provided with an upper mounting portion and a lower mounting portion. The lower mounting portion is provided with a lower guide surface inclined towards both sides of the heavy mold from top to bottom. The upper mold frame is provided with an upper mounting groove matched with the upper mounting portion for locking. The lower mold base is provided with a lower mounting groove matched with the lower mounting portion for locking and a push assembly slidably arranged on both sides of the lower mounting groove. The push assembly comprises an ejection unit arranged on one side of the lower mounting portion and a push-in unit arranged on the other side. The ends of the ejection unit and the push-in unit are respectively parallel to the corresponding lower guide surfaces. The application can improve the quick dismounting effect of the heavy mold and the mold frame support.

The utility model relates to quick change power battery technical field, concretely is a kind of quick change power battery and quick change locking module, including power battery ontology and fixed block.This kind of quick change power battery and quick change locking module, when unlocking operation, in-vehicle control device first controls servo motor reverse rotation, drives clamping column and card block rotation and separates from card slot, makes card block and rectangular section of through-hole alignment.After electric push rod contracts, clamping column is pulled by push rod, card block moves up along rectangular through-hole, until card block completely separates from installation mouth, the locking constraint of power battery ontology is released, can realize quick disassembly replacement.In the whole process, the action precision of servo motor and electric push rod is accurately controlled by in-vehicle control device, ensures the efficient stability of locking and unlocking, compared with traditional bolt disassembly, the disassembly efficiency of the device is higher.

The utility model discloses a waterproof wear -resisting type slipper relates to slipper technical field, including sole, the top surface bonding of sole has vamp, the top surface of sole is equipped with first drain and second drain, the top of sole is equipped with antiskid salient, the both sides of sole are bonded with first wear -resisting piece, the outer wall mounting of first wear -resisting piece has second wear -resisting piece, one side of first wear -resisting piece is equipped with third wear -resisting piece. This waterproof wear -resisting type slipper is provided with first drain and second drain, when the slipper is contacted with ponding, the user lifts the foot, and the water stain can be discharged quickly through first drain and second drain, prevents the water stain to remain, influences the comfort of wearing, and can first wear -resisting piece, second wear -resisting piece and third wear -resisting piece carry out quick positioning installation dismounting, is convenient for maintenance, and through first wear -resisting piece, second wear -resisting piece and third wear -resisting piece can obviously promote the wear -resisting capacity of slipper.

The utility model relates to lighting technical field discloses a LED module convenient to replace light source, including the shell, the inner wall detachable installation of shell has the lamp shade, the inner wall fixedly connected with the fixed plate of shell, the top of fixed plate is inserted with light source group, the inner wall fixedly connected with the connecting piece of light source group, the inner wall slidingly connected with the ring of fixed plate, the top fixedly connected with the moving block of ring, the outer wall fixedly connected with the arc block of ring, the inner wall of fixed plate is provided with the limit mechanism, the inner wall of fixed plate is provided with the support subassembly. In the utility model, when disassembling, the arc block can be driven to extrude the limit block by moving the moving block clockwise, the limit block is separated from the light source group slot, the light source group is taken out easily, when installing, the light source group is inserted, the limit is completed by the limit block automatic reset insertion, complex operation is not needed, the light source group dismounting efficiency is improved greatly, and the maintenance difficulty is reduced.

The utility model relates to fan maintenance technical field discloses a kind of impeller dismounting device, including first clamping piece, second clamping piece, pusher plate and at least two installation rods;First clamping piece and second clamping piece are all provided with clamping cavity, and each clamping cavity is provided with inner lug;First clamping piece and second clamping piece are all provided with outer lug, and the clamping cavity is formed accommodating cavity after being connected by first clamping piece and second clamping piece, and the matching design of inner lug and impeller radial groove is combined, the accurate positioning and uniform clamping of impeller are realized;Outer lug is used as structure reinforcing part, not only strengthen the local strength of first clamping piece and second clamping piece, also provide stable installation base for installation rod, so that the axial force transmitted by installation rod of pusher plate can be uniformly, stably act on the matching surface of impeller and motor shaft, avoid direct artificial knock impeller or heat impeller shaft sleeve to cause impeller or motor shaft damage, significantly improve dismounting efficiency and security.

A hidden drainage ditch system of a building curtain wall comprises a drainage ditch, a cover plate is installed on the drainage ditch, a water inlet is further formed in the upper portion of the drainage ditch, and the hidden drainage ditch system further comprises a filtering assembly arranged at the water inlet. The filtering assembly further comprises a primary filtering piece and a secondary filtering piece; the primary filter part comprises a barrier plate mounted at the water inlet, and a drainage gap for water flow to pass through is formed between the barrier plate and the water inlet; the secondary filtering piece comprises a filtering plate and a plurality of leakage holes formed in the filtering plate. According to the utility model, the blockage problem of the drainage ditch can be further relieved, and the maintenance intensity of the drainage system can be effectively reduced, so that the reliability and stability of the drainage system are enhanced.

The utility model discloses a rocking chair with high -strength arc pipe, including rocking chair body, the symmetry of rocking chair body bottom welds two groups arc base, is equipped with counterweight in every arc base, and the arc base on the arc piece of bottom mounting with own camber matching also includes the locking assembly for synchronous fixed counterweight and arc piece on arc base, rocking chair body and arc base welding connection of the utility model, has guaranteed the stability of both connection, has promoted rocking chair overall structural strength, and arc base adopts high -strength arc pipe, compared with ordinary metal pipe, can bear greater pressure and swing stress, reduces the possibility of deformation and fracture, prolongs the life, and the setting of counterweight has strengthened the stability of rocking chair, makes the user use more safely, and locking assembly realizes the synchronous fixing of counterweight and arc piece, has simplified the installation step, has improved the dismounting efficiency.

This utility model discloses a quick-disassembly belt conveyor device, comprising: a frame assembly, a slack assembly, and a conveyor belt; the frame assembly includes: a mounting frame, movable plates, fixed rollers, and movable rollers; movable plates are provided on both sides of the mounting frame, the movable plates are located at the first end of the mounting frame and slidably disposed inside the mounting frame, and movable rollers are disposed between the two movable plates; a fixed roller is provided at the second end of the mounting frame, and the conveyor belt is sleeved on the fixed rollers and movable rollers; the slack assembly includes: a slack handle, a slack rotating rod, a first connecting rod, and a second connecting rod; one end of the slack rotating rod passes through the mounting frame and connects to the slack handle, and the first connecting rod is fixed at both ends of the slack rotating rod; the first connecting rod is hinged to the first end of the second connecting rod, and the second end of the second connecting rod is hinged to the movable plate. This utility model enables quick disassembly of the conveyor belt, improving the disassembly efficiency of the conveyor belt.

The utility model discloses an infrared induction positioning device for dismounting an elevator, and relates to the technical field of elevator dismounting, the infrared induction positioning device comprises a bottom plate and a plurality of vertical rods, the plurality of vertical rods are fixedly arranged at four corners of the upper surface of the bottom plate, and a movable frame is arranged above the bottom plate; limiting blocks are fixedly arranged at the positions, corresponding to the vertical rods, of the side wall of the movable frame, the limiting blocks are movably connected with the corresponding vertical rods in a sleeving mode, a threaded rod is rotationally arranged in the movable frame, the rod wall of the threaded rod is in threaded sleeving connection with a sliding plate, and a first motor is fixedly arranged on the outer wall of one side of the movable frame; the output end of the first motor is fixedly connected with one end of a threaded rod, and a plurality of infrared sensors are sequentially and fixedly installed on the lower side of the sliding plate from front to back. According to the automatic dismounting device, comprehensive infrared scanning can be carried out on the elevator, so that the automatic dismounting device can carry out precise dismounting work, the height of the infrared sensor can be adjusted, and the elevators of different specifications can be conveniently positioned.

The utility model discloses an asphalt concrete mixing arm device which comprises a mixing shaft, a first mounting seat and a second mounting seat, a connecting part is arranged between the first mounting seat and the second mounting seat, and distance adjusting parts are arranged on one side of the first mounting seat and one side of the second mounting seat. The connecting part comprises a first notch formed in one side in the first mounting seat, a second notch formed in one side in the second mounting seat, a through hole formed in one side in the first notch and a push rod arranged in the through hole. The problems that when an existing stirring arm is used, although the stirring arm and a stirring shaft can be fixed, the stirring arm and the stirring shaft are fixed through bolts, time and labor are relatively wasted during mounting and dismounting, the mounting efficiency is reduced, and meanwhile the length of an arm rod is fixed, so that the practicability becomes poor are solved.

The utility model relates to the technical field of hoist accessory, and disclose vertical shaft hoist rope changing device, first support rotatory connection has two first rotation plates, and first rotation plate forms two first side holes, and two first rotation plates between be provided with winding roll, and the first positioning hole is formed to the recess of winding roll, and the first screw is connected with first side hole between first positioning hole and first screw, second support rotatory connection has two second rotation plates, and second rotation plate forms two second side holes, and two second rotation plates between be provided with unwinding roll, and the second positioning hole is formed to the recess of unwinding roll, the utility model discloses through setting up first rotation plate, second rotation plate, unwinding roll and winding roll, when unwinding roll and winding roll complete the unwinding and winding of the hoisting rope, only need to unscrew first screw and second screw, can unload unwinding roll and winding roll and change, make the old rope after winding on the device convenient to take down, reduce the work load of personnel, improve the work efficiency of personnel.