36results about How to "Be strong" patented technology

The invention discloses a sound box wall hanger which comprises a sound box fixing member, a wall body fixing bracket and a vertical angle adjuster. The sound box fixing member is a Z-shaped fixing plate. One end of a horizontal section on the upper end of the sound box fixing member is fixedly connected with the top of a sound box through a screw. The other end of the horizontal section on the upper end of the sound box fixing member is connected with a long hole in the vertical angle adjuster through a screw. A vertical section of the sound box fixing member is fixedly connected with the back of the sound box through a screw. The wall body fixing bracket comprises a suspension end and a fixation end. The fixation end is fixedly connected with a wall body through a screw. Upper and lower ends of the suspension end are respectively provided with a screw hole, and screws are arranged in the screw holes. A screw hole in the vertical angle adjuster is connected with the wall body fixing bracket through the upper screw. A screw hole in a horizontal section on the lower end of the sound box fixing member is connected with the wall body fixing bracket through the lower screw. According to the invention, a support nest is changed; the problem of poor load carrying capacity, which is caused by the damaged support nest, is solved; and the sound box wall hanger has the characteristics of good force-bearing point, strong carrying capacity and easy installation.

The invention relates to a taking-out device, in particular to a flapping type sunflower seed taking-out device. The flapping type sunflower seed taking-out device can automatically flap sunflowers, is uniform in flapping and can also automatically separate sunflower seeds from the sunflowers. The flapping type sunflower seed taking-out device comprises a mounting seat, first brackets, a flappingmechanism and a transmission mechanism. The mounting seat is mounted at one side of the top of a base, the first brackets are arranged on the periphery of the top of the base, the flapping mechanism is arranged at the position, close to one side of the mounting seat, of the top of the base, and the transmission mechanism is connected between the first brackets. The sunflowers can be beaten intermittently through cooperation of a full gear and a rack rod, meanwhile, the sunflowers can be transmitted intermittently through an arranged roller and an arranged belt, flapping is more uniform, a screening frame drives a through hole block to move left and right, under cooperation of a special-shaped rod and a convex block, the convex block can be driven to shake up and down, the sunflower seeds and the sunflowers are automatically separated, and the working efficiency is high.

The invention provides a tablet computer support. The tablet computer support comprises a tablet computer chuck, a tablet computer supporting arm assembly and a base. One end of the tablet computer supporting arm assembly is connected with a rotation base, the rotation base is detachably connected with a base and comprises a hinged part arranged at the upper portion and used for being connected with the tablet computer supporting arm assembly and a round clamping head arranged at the lower portion and detachably connected with the base, and the base is provided with a sliding groove. A connection base used for being connected with the clamping head is arranged in the sliding groove. The clamping head and the connection base are connected in a rotating and clamping mode. The sliding groove is provided with an insertion plate. The clamping head is provided with a first notch. The insertion plate is provided with a plug matched with the first notch. When the insertion plate is inserted into the sliding groove, the plug is inserted into the first notch to prevent the clamping head from rotating. By adopting the structure, the tablet computer support can be switched between a wall type base and a foundation type base easily and conveniently.

The invention relates to hardness detection equipment, in particular to material hardness detection equipment for high-end equipment manufacturing. The technical problem to be solved is to provide the material hardness detection equipment for high-end equipment manufacturing, which is convenient and can quickly detect the hardness of a material. According to the technical scheme, the material hardness detection equipment for high-end equipment manufacturing comprises a base, wherein a clamping mechanism is arranged at the top of the base; and a detection mechanism arranged on the clamping mechanism. Through the cooperation between the positioning mechanism and the measuring mechanism, the clamping mechanism can be limited after the material to be detected is placed, so that the material cannot be loosened, and a detection result can be more visually seen when the material is detected.

The invention relates to a water bottle, in particular to a water bottle for taking medicine. The present invention adopts the following technical scheme: comprising a water bottle body and a bottle cap, the water bottle body and the bottle cap are flexibly connected by threads; Inlaid on the side of the water bottle body; heat insulation material is laid between the medicine box and the water bottle body, and there are four medicine boxes; the side of the bottle cap is provided with wedge-shaped protrusions, and the end of the wedge-shaped protrusions is provided with a rope hole; the top of the bottle cap Equipped with medicine cutting device. The invention has the advantages of: it is very convenient to remind people to take medicine when drinking water, or cooperate with the water in the water bottle to deliver medicine when taking medicine; The effect becomes worse; the wedge-shaped bump design of the bottle cap makes it easy to tighten or unscrew the bottle cap; the drug cutting device on the top of the bottle cap can evenly and conveniently cut the tablet in half.

The invention discloses a drainage tube with a puncture needle and a utilization method of the drainage tube. The drainage tube comprises a drainage cannula, the puncture needle and a drainage component. The drainage cannula comprises a single-cavity sealed section, a multi-cavity sealed section and a multi-cavity open section in sequential communication. At least one passage is formed in the single-cavity sealed section which is sealed, the multi-cavity sealed section is sealed and internally partitioned into a plurality of passages, the multi-cavity open section is provided with a notch along the length direction of the wall and internally partitioned into a plurality of passages, and one end, away from the multi-cavity open section, of the single-cavity sealed section is connected with the puncture needle. Before suture of a surgical wound, the puncture needle enters the cavity from the wound and punctures outside from a nearby part of the wound, then pulling is performed until length of the drainage cannula indwelled in the cavity is equal to a preset length, cutting is performed at the single-cavity sealed section to withdraw the puncture needle, and the single-cavity sealed section connected with the multi-cavity sealed section is connected with the drainage component at the cut position. Risks of infection and wound stabbing caused by the puncture needle can be effectively avoided, safety, convenience and quickness are realized, and better drainage effects are achieved.

The invention discloses high-safety corrugated packaging comprising packing body, safe shell and safe base. The periphery of the packing body is fixedly connected with the safe shell, and the bottom end of the packing body is fixedly connected with the safe base; one end of a carton cover is fixedly connected with a carton cover clamping hook; the top of the front portion of the safe shell is fixedly connected with an effort-saving grip, and ventilation openings are connected to the bottom of the front portion of the safe shell in a penetrating mode; and the bottom end of a carton body is fixedly connected with a water absorption layer. The water absorption layer prevents a carton from being humidified by vapour, so that the moisture resistance of the packing body is improved; through theventilation openings, the quality of goods is well guaranteed, and the ventilation of the packing body is improved; the effort-saving grip provides a good force-bearing point, so that the physical consumption of freight transportation personnel is reduced; the carton body can be effectively protected by anti-collision corner sleeves, accordingly the safety of the packing body is well improved; andthus the high-safety corrugated packaging has broad development prospects in the future.

The invention discloses a suitcase with two pull rods and high gravity bearing capacity and particularly relates to the field of suitcases. The suitcase with the two pull rods comprises a main box, wherein the upper end of the main box is provided with an upper cover, the front ends of the pull rods are fixedly provided with a mounting block, and one side of the main box is fixedly provided with bottom plates; the outer surfaces of the bottom plates are provided with first sliding grooves, four rollers are arranged in the bottom plates, and the four bottom plates are arranged rectangularly. Byarranging the bottom plates, the rollers, the first sliding grooves and clamping blocks, when the suitcase does not need to be moved, people can push a connecting plate on one sides of the bottom plates inwards and press the suitcase downwards to push the rollers into movable grooves. The bottom plates are used for supporting the suitcase, so that the stability of the suitcase during replacementis improved; when the suitcase needs to be moved, the connecting plate is pushed inwards, third springs in inner grooves can push the rollers downwards at the same time, and therefore people can conveniently retract the rollers.

The invention discloses a multipurpose cold press convenient to load and unload. The multipurpose cold press comprises a pair of stand columns; an upper top plate and a lower baseplate are arranged between the stand columns; a first slide way is formed in the upper top plate; a pair of hydraulic cylinders is arranged above the upper top plate; a piston rod is connected below the hydraulic cylinders; the bottom of the piston rod is connected with a lower pressing plate by a pressing block; a cuboid indent is formed in the surface of the lower baseplate; a material placing platform is arranged on one side of the lower baseplate; a second slide way is formed in the material placing platform; the second slide way extends to the cuboid indent in the surface of the lower baseplate, and is provided with a slide platform; the lower pressing plate comprises multiple tenoned lower pressing plate monomers; the lower pressing plate monomers comprise bottom layers, middle layers and top layers; convex tenons are arranged at one ends of the middle layers, and grooves are formed in the other ends; and chutes matched with pressing blocks are formed in the upper surfaces of the middle layers. The multipurpose cold press has the advantages of capability of adjusting the size of the lower pressing plate according to sizes of boards, capability of adjusting the distance between the hydraulic cylinders and convenience to load and unload the boards.

Glacier underwater detection equipment comprises an intermediate shaft, a balance rod is fixedly connected to the upper surface of the intermediate shaft, a first motor cavity, a second motor cavity,a controller cavity and a processor cavity are formed in the intermediate shaft, a first rotating motor is fixedly connected to the interior of the first motor cavity, the output end of the first rotating motor extends out of the left side of the middle shaft and is fixedly connected with a first rotating shaft, and a first battery cavity, a first driving motor cavity and an illuminating lamp cavity are formed in the first rotating shaft. According to the glacier underwater detection equipment, through the arrangement of the middle shaft, the first rotating motor, the first rotating shaft, thefirst driving motor, a first walking wheel, a second rotating motor, a second rotating shaft, a second driving motor and a second walking wheel, the whole equipment can conveniently walk and steer under glacier water, and therefore the whole equipment has the effect of being convenient to operate, and underwater detection of glaciers is facilitated.

The invention relates to a mining reinforcement technique, and discloses an integral reinforcement method for hanging wall broken surrounding rock long anchor cables. The integral reinforcement method comprises the following steps of (S1) tunneling a hanging wall broken surrounding rock zone along a rock drilling cross roadway or a chamber on the lower part of each sublevel ore body so as to dig an out-of-vein roadway, and pulling open towards both sides so as to form an out-of-vein chamber; (S2) performing roof control on the out-of-vein chamber; (S3) drilling anchor cable drill holes downwards row by row in the out-of-vein chamber in the ore body trend, wherein the anchor cable drill holes extend into the boundary of the hanging wall ore body by 1 to 2 m; (S4) arranging a stiffening beam along each column of the anchor cable drill holes, penetrating one end of a long anchor cable into the corresponding anchor cable drill hole, and fixedly connecting the other end of the long anchor cable with the stiffening beam; and (S5) grouting the anchor cable drill holes after all the long anchor cables are installed. According to the integral reinforcement method, the hanging wall surrounding rock can be effectively reinforced, so that the safety and stability in mining are guaranteed.

The invention relates to the technical field of cable dismounting tools, and particularly relates to a digital distribution frame 2M cable connector dismounting tool. The digital distribution frame 2Mcable connector dismounting tool comprises a clamping part and an operation part, wherein the clamping part is provided with a guide sliding groove; the head end of the operation part is connected with the guide sliding groove; the clamping part comprises a first clamping cover and a second clamping cover; the first clamping cover is provided with a first limiting ring and a second limiting ring;a fixing column is arranged between the first limiting ring and the second limiting ring; the fixing column is sleeved with a limiting block; the limiting block is provided with a first hook; the second clamping cover is provided with a limiting column and a second hook; the first hook is connected with one end of a spring; the other end of the spring is wound around the limiting column to be connected with the second hook; a first groove is formed in the top of the limiting block; a ball is arranged in the first groove; the operation part comprises an operation handle, an operation rod and adismounting wrench head which are each of a hollow structure; and a second groove is formed in one side of the operation rod and one side of the dismounting wrench head. The position of a connector can be accurately positioned, the force application point of stress is provided, the dismounting efficiency is high, and safety and reliability are achieved.

The invention relates to a posture correcting belt. The posture correcting belt comprises shoulder straps, a waistband and a support plate; the posture correcting belt is characterized in that the shoulder straps include the right shoulder strap and the left shoulder strap which are used for sleeving the left shoulder and the right shoulder of a human body,the right shoulder strap and the left shoulder strap are connected to the upper half part of the support plate separately, the waistband is connected to the lower end of the support plate, the support plate is attached to the back position of the human body, the waistband sleeves the waist position of the human body, and the supportplate is made of a rigid plate material.

A drainage tube with a puncture needle and a method of using the present invention, comprising a drainage cannula, a puncture needle and a drainage assembly, the drainage cannula includes a single-chamber sealing section, a multi-chamber sealing section and a multi-chamber opening section connected in sequence, the single The tube wall of the cavity sealing section is closed and at least one channel is formed inside, the tube wall of the multi-cavity sealing section is closed and the interior is divided into several channels, and the tube wall of the multi-cavity open section is notched along the length direction and the interior is divided into several channels; The end of the single-chamber sealing section away from the multi-chamber open section is connected with the puncture needle. Before the surgical wound is sutured, the puncture needle enters the cavity from the wound, punctures from the vicinity of the wound to the outside, pulls until the length of the drainage cannula left in the cavity reaches the preset length, and then cuts off at the single-cavity sealing section and withdraws The puncture needle, the single-lumen sealing section connected with the multi-lumen sealing section is connected to the drainage assembly from the cut-off. It can effectively avoid the risk of puncture needle wound and infection, and it is safer and more convenient to use, and has better drainage effect.

The invention provides a tablet computer support. The tablet computer support comprises a tablet computer chuck, a tablet computer supporting arm assembly and a base. One end of the tablet computer supporting arm assembly is connected with a rotation base, the rotation base is detachably connected with a base and comprises a hinged part arranged at the upper portion and used for being connected with the tablet computer supporting arm assembly and a round clamping head arranged at the lower portion and detachably connected with the base, and the base is provided with a sliding groove. A connection base used for being connected with the clamping head is arranged in the sliding groove. The clamping head and the connection base are connected in a rotating and clamping mode. The sliding groove is provided with an insertion plate. The clamping head is provided with a first notch. The insertion plate is provided with a plug matched with the first notch. When the insertion plate is inserted into the sliding groove, the plug is inserted into the first notch to prevent the clamping head from rotating. By adopting the structure, the tablet computer support can be switched between a wall type base and a foundation type base easily and conveniently.

The invention discloses a multipurpose cold press which comprises a pair of stand columns. An upper top plate and a lower bottom plate are arranged between the stand columns. An electronic control cabinet is arranged on the stand columns. A slide way is arranged in the upper top plate. A pair of hydraulic cylinders are arranged above the upper top plate. The hydraulic cylinders are connected withthe slide way through sliders in the slide way respectively. A piston rod is connected with the lower portion of each hydraulic cylinder. The bottoms of the piston rods are connected with a lower pressing plate through pressing blocks. The lower pressing plate comprises a plurality of lower pressing plate bodies which are in joggle joint. Each lower pressing plate body comprises a bottom layer, amiddle layer and a top layer, wherein a tenon is arranged at one end of the middle layer, a groove is formed in the other end of the middle layer, a slide groove matched with a pressing block is formed in the upper surface of the middle layer, reinforcing ribs are arranged on the two sides of the slide groove, connecting ribs are arranged at the center of the slide groove, the connecting ribs areconnected with the reinforcing ribs on the two sides of the slide groove, and the top layer is laid above the reinforcing ribs on the two sides of the slide groove. The size of the lower pressing plate can be adjusted according to the size of panels, and the distance between the hydraulic cylinders can be adjusted.

The invention relates to the technical field of cable dismounting tools, in particular to a 2M cable joint dismounting tool for a digital distribution frame, which includes a clamping part and an operating part. The chute is connected; the clamping part includes a first clamping cover and a second clamping cover, the first clamping cover is provided with a first limiting ring and a second limiting ring, and the first limiting ring and the second limiting ring There is a fixed column between them, and a limit block is set on the fixed column, and the first hook is arranged on the limit block; the second clamping cover is provided with a limit column and a second hook, and the first hook is connected to one end of the spring, and the other end of the spring The second hook is bypassed by the limit column; the top of the limit block is provided with a first groove, and a ball is arranged in the first groove; the operation part includes an operation handle, an operation rod and a disassembly wrench head, and they are all hollow structures. A second groove is arranged on one side of the operating rod and the dismounting wrench head. It can accurately locate the position of the joint, provide a point of force, and the disassembly and assembly efficiency is high, safe and reliable.

The invention provides a fuse box capable of being simply opened and locked, which comprises a fuse box body and a box cover which are matched with each other, and a bayonet lock and a bayonet window connecting assembly capable of opening and closing the fuse box body and the box cover are arranged between one side of the fuse box body and one side of the box cover so as to realize positioning and limiting; a slide way structure and a slide lock which can open and close the fuse box body and the box cover are arranged between the other side of the fuse box body and the other side of the box cover so as to achieve opening and locking. The slideway structure comprises an upper slideway structure arranged on the outer side surface of the box cover main body and a lower slideway structure arranged on the outer side surface of the fuse box body; and the periphery of the box cover main body is provided with a groove which can be buckled on the periphery of the fuse box body. The fuse box is simple in structure, low in manufacturing cost, capable of being assembled and disassembled by hands without using tools, high in assembling and disassembling speed, good in sealing and fastening effect after matching, free of mechanical function loss after being assembled and disassembled for multiple times, and durable. The design of the fuse box is suitable for fuse devices of various sizes.

The utility model relates to the field of concrete color difference repairing, in particular to fair-faced concrete color difference repairing equipment for a building, and aims to solve the technical problems that a concrete color difference repairing device is difficult to carry out color difference inspection on a wall surface after repairing is completed and is inconvenient to quickly move according to the requirements of a user. According to the technical scheme, the fair-faced concrete color difference repairing equipment for the building comprises universal wheels, a bearing assembly, an auxiliary assembly, a sealing assembly, a feeding assembly, a conveying assembly and a spray head assembly; the auxiliary frame is driven to rotate through the handle, a good force bearing point can be provided for the palm of a user when the auxiliary frame needs to move, bare concrete color difference repairing paint is evenly and efficiently sprayed on a wall face needing to be repaired through the main body, and color difference inspection is conducted on the repaired wall face in cooperation with an illuminating lamp. The concrete color difference repairing device solves the problems that after repairing is completed, a concrete color difference repairing device is difficult to conduct color difference inspection on the wall face and is inconvenient to rapidly move according to the needs of a user.

The utility model relates to the technical field of drill bits, and discloses a drill bit for stainless steel material machining, which comprises a drill bit body, the surface of the drill bit body is fixedly connected with a limiting lantern ring, and the left side and the right side of the limiting lantern ring are fixedly connected with protective handles; drawing grooves are formed in the left end and the right end of the drill bit body, drawing plates are slidably connected to the interiors of the drawing grooves, connecting rods are connected to the interiors of the drawing plates in a threaded mode, ejector rods are fixedly connected to the right sides and the left sides of the drawing plates, ejector plates are welded to the bottoms of the ejector rods, and mounting holes are formed in the drawing plates. According to the utility model, downward extrusion is carried out in the drill bit body through the drawing plate and the connecting rod, and the sliding block slidably connected in the sliding groove is matched to drive the top plate and the top rod in the drill bit body, so that the drill bit body and the equipment connecting end are extruded and ejected out; the drill bit body which is used for a long time can be conveniently replaced by a worker, and convenience is brought to the use of the worker.

The utility model discloses a water and electricity separated constant temperature magnetic energy water heater which comprises a water heater body, an outer pipe is fixedly installed at the lower end of the water heater body, and a connecting mechanism is arranged in the outer pipe. According to the water and electricity separated constant-temperature magnetic energy water heater, after the water heater is installed on a wall, a connecting pipe needs to be installed on a connecting pipe at the lower end of the water heater, installation is troublesome due to the fact that the distance between the connecting pipe at the bottom end of the water heater and the wall is generally close and the space is narrow, and when the water and electricity separated constant-temperature magnetic energy water heater is installed, a shell is held with a hand, and the connecting pipe is plugged at the moment; the hand is released, the connector is rotated until the clamping block is clamped with the concave part of the connector, at the moment, connection is completed, the second sealing ring ensures the sealing performance, the first sealing ring and the second sealing ring are attached to further ensure the sealing performance, the mechanism facilitates installation of the connecting pipe, the installation time is saved, the good sealing performance is achieved, and the service life of the connecting pipe is prolonged. And sealing materials such as teflon tapes are not needed for sealing during installation.

The invention discloses an overall long anchor cable pre-supporting method for a hanging wall broken ore body. The overall long anchor cable pre-supporting method for the hanging wall broken ore body comprises the steps of excavating a hanging wall surrounding rock broken zone along a rock drilling transverse roadway at the lower part of each segmented ore body to parallelly excavate two outside-vein roadways, and excavating anchor cable fixing roadways along the trends of the ore bodies; then arranging steel beams in the anchor cable fixing roadways; then, drilling anchor cable drill holes upwards in the ore body along the edge of the inclined ore body in the rock drilling transverse roadway on the lower part of each segmented ore body, arranging long anchor cables in the anchor cable drill holes in a penetrating mode, and fixing the long anchor cables to the steel beams of anchor cable fixing roadways; and finally, grouting in the anchor cable drill holes. The long anchor cables and the hanging wall rock body are stressed together through a ground anchor, an inclined thick and large ore body hanging wall with broken surrounding rock is reinforced more effectively, and the stoping safety coefficient of a hanging wall triangular ore body is further improved.

The invention belongs to the technical field of poultry feeds, and particularly relates to a later-stage compound feed for broiler chickens. The earthworm powder, the river snail powder, the tenebrio molitor powder and the silkworm chrysalis powder are newly added, so that the feed protein is sufficient in amount and complete in variety. The invention further provides a rotary rolling type drying machine required for later-stage compound feed production of broiler chickens, the rotary rolling type drying machine structurally comprises a bottom plate, a mounting plate unit for clamping, a rotary heating pipe unit, a rolling material pipe unit, a driving motor unit for rolling and a sliding rod unit, and the rotary rolling type drying machine has the advantages of being more flexible, efficient and rapid in heating operation.

The invention relates to the technical field of mine hoisting equipment and discloses a novel roller cage shoe device with high practicability. The device comprises a base; one side of the base is fixedly connected with a shaft bracket; one side of the shaft bracket is fixedly connected with a rubber wheel, the surface of the rubber wheel is rotationally connected with a rotating shaft, one side of the rotating shaft is fixedly connected with a connecting base, one side of the connecting base is fixedly connected with a damping device, one side of the shaft bracket is fixedly connected with afixing base away from the damping device, and one side of the fixing base is fixedly connected with a bearing pedestal. The invention discloses a novel roller cage shoe device with high practicability. Under the cooperative use of the damping device and the connecting base, when the rubber wheel is stressed, the damping spring in the damping device enables the rubber wheel to be tightly attached to the cage guide under the counter-acting force, and therefore the advantages that the stress point can reach the optimal state, the structure is reasonable, the weight is light, energy is buffered intime, the service life is long, and the cage guide is not damaged are achieved.

The present invention relates to the technical field of food processing, specifically to a dendranthema morifolium (ramat.) tzvel cv.chuju soy sauce production method, which comprises a solid-state fermentation method, and specifically comprises: mixing 4-6 parts by weight of dendranthema morifolium (ramat.) tzvel cv.chuju, 2-4 parts by weight of hawthorn and 22-28 parts by weight of soybean, steaming to achieve a cooked state, cooling to a room temperature, adding 2-4 parts by weight of wheat powder, stirring to obtain a mixed enzymolysis clinker, and sequentially carrying out inoculation, koji making, fermentation, pressure filtration and canning on the mixed enzymolysis clinker to prepare the dendranthema morifolium (ramat.) tzvel cv.chuju soy sauce. The dendranthema morifolium (ramat.) tzvel cv.chuju soy sauce prepared by using the production method has characteristics of rich vitamins, rich proteins, ideal health effect, delicate and smooth taste, sweet, sour and refreshing taste, and unique taste of dendranthema morifolium (ramat.) tzvel cv.chuju and hawthorn.

The present invention discloses edible vegetable oil with health-care effects. The edible vegetable oil consists of the following components in parts by weight: 2-3 parts of momordica cochinchinensis fruit residues, 0.8-1 part of high-calcium cerasus humilis kernel oil, 12-18 parts of vegetable oil, 0.2-0.5 part of radix polygoni multiflori, 1-1.5 parts of Chinese wolfberry fruits, 0.5-1.2 parts of semen amomi cardamomi, and 0.3-0.8 part of rhizoma atractylodis macrocephalae.

The invention discloses a new container device for logistics transportation, which comprises a box body, a bottom plate is arranged under the box body, screws are matched between the bottom plate and the box body, and the bottom of the bottom plate is symmetrically arranged with Four support blocks, the bottom of the support block is provided with threaded holes, threaded feet are fitted in the threaded holes, the outer ring of the support blocks is provided with ends, and the transverse direction between the two ends Connected with a force rod, a single force rod is equipped with more than two movable sleeves, a fastening screw is fitted between the movable sleeve and the force rod, and the outer ring of the movable sleeve is set There is a suspension ring; this device can adjust the position of the movable sleeve according to the placement of the goods, so as to facilitate the selection of the best stress point, so that the box can be stressed stably and avoid deformation, and it also makes the lifting safer. Avoid accidents.