234results about How to "Avoid poking" patented technology

The invention discloses a disposable prepuce cutting anastomat, which is suitable for serving as a prepuce cutting and anastomosis surgical appliance for male having over long prepuces or phimosis. The disposable prepuce cutting anastomat comprises a glans penis cover, a scalpel backup ring, a nail holding seat, a needle cabin, a suturing nail, an annular scalpel, a needle push sheet, a needle cabin sleeve, movable handles, handle connecting pieces, a safety block, a fixed connecting piece, a casing and an adjusting screw rod, wherein the glans penis cover is provided with a glans penis cover body; the back part of the glans penis cover body is provided with a nipple; an internal thread is formed in the nipple; a positioning bump is arranged outside the nipple; the scalpel backup ring and the nail holding seat are arranged in the glans penis cover body (in the front end of the glans penis cover); the needle push sheet is arranged in the needle cabin sleeve; the annular scalpel is arranged in the needle push sheet; the needle cabin is positioned above the needle push sheet; the suturing nail is arranged in the needle cabin; the movable handles are connected to the back end of the needle cabin sleeve; the movable handles, the needle cabin sleeve and the casing are connected together through the handle connecting pieces, the safety block and the fixed connecting piece; the adjusting screw rod is connected with the back nipple of the glans penis cover.

The invention discloses a Maotai-flavor distiller's grain organic fertilizer and a preparation method thereof. The fermentation raw material of the organic fertilizer comprises the following components: 80-90 parts of Maotai-flavor distiller's grains, 5-10 parts of rape seed cake, 4-8 parts of bone meal, 3-4 parts of straw, 3-4 parts of sawmilling powder, 5-10 parts of corncob core, 2-4 parts of egg shell, 1-2 parts of quicklime, 0.1-0.2 part of decomposing microbial inoculum and 2-4 parts of kitchen waste. The organic fertilizer contains few heavy metals and enough nutrients. The preparation method of the organic fertilizer comprises the steps of raw material crushing, raw material mixing, microbial inoculum inoculation, fermentation and granulation, drying and the like; and the preparation method realizes thorough composting and can avoid secondary fermentation after the organic fertilizer is applied to soil.

The invention relates to an end shaft drilling device. The end shaft drilling device comprises a machine frame and a supporting table, wherein a triangular plate is connected to the machine frame, a cam is arranged below one end of the triangular plate, a rotating shaft is arranged below the cam, a rotating shaft is coaxially connected with a rotating disc, the rotating disc can be meshed with thecam, the rotating shaft is connected with a transverse shaft and a supporting shaft through a bevel gear, a supporting disc is fixedly connected to the top end of the supporting shaft, and a collecting box is rotationally connected to the bottom end of the supporting shaft, the other end of the triangular plate is connected with a first fixing block, and the bottom end of the first fixing block is connected with a first supporting plate, the first supporting plate is connected with a sliding rod, the other end of the sliding rod is connected with a drill bit, a supporting spring sleeves the sliding rod, the first fixing block is fixedly connected with a transverse plate, the other end of the transverse plate is connected with a second fixing block, the bottom end of the second fixing block is connected with a push rod, a water bag is fixedly connected to the supporting table, the water bag is connected with a water spraying pipe, and the water spraying pipe is connected with a spray head. According to the device, the problems that the drill bit needs to be moved in a drilling process and iron scraps are not easy to remove due to excessively high temperature are solved.

The invention discloses a plucking device for citrus. The plucking device for citrus comprises a sleeve and a clamping jaw, the front end of the sleeve is a taper hole while the rear end of the sleeve is the material feeding channel, the clamping jaw comprises clamping heads, a connection rod, a pushing ring, a locating ring and a reset spring, the front end of one clamping head is provided with a left cutting knife while the front end of the other clamping head is provided with a right cutting knife propping against the left cutting knife, the right cutting knife bends downward and the angle between the right cutting knife and the cutting line of the front end is 20-35 degrees; one end of the connection rod is connected with the clamping head while the other end thereof is connected with the pushing ring, the pushing ring is connected with the inner wall of the sleeve in a sliding mode, the locating ring is located below the pushing ring and the locating ring is fixedly connected with the inner wall of the sleeve, one end of the reset spring is connected with the pushing ring while the other end of the reset spring is connected with the locating ring; the bottom of the sleeve is provided with a storing box connected with the material feeding channel. The plucking device for citrus is simple in structure and high in efficiency, can avoid the mutual damage for the citruses and solves the defects of the existing technology for plucking the citrus via the scissors that the operation is trouble, the efficiency is low and the citruses are easy to damage.

The invention relates to the field of pipe fitting polishing, and discloses a pipe fitting polishing device. The pipe fitting polishing device comprises a machine frame and a supporting table, a conveying roller is rotationally connected to the supporting table, a clamping ring is rotationally connected to the supporting table, a through hole is formed in the middle portion of the clamping ring, driving teeth are arranged on the outer wall of the clamping ring, the interiors of the driving teeth are hollow, abutting-against rods are fixedly connected to the top ends of the interiors of the driving teeth, the other ends of the abutting-against rods are fixedly connected with abutting-against blocks, first supporting springs are fixedly connected between the top ends of the interiors of thedriving teeth and the outer wall of the clamping ring, a rack is in sliding connection to one side of the supporting table, a reset spring is fixedly connected to the upper portion of the rack, and anair bag is arranged above the rack and is opposite to the rack; and an air cylinder is in sliding connection to the supporting table, a guide pipe is connected between the air cylinder and the air bag, polishing strips are fixedly connected to the supporting table and are located on the opposite sides of the supporting plate, and the supporting table is further provided with a pushing mechanism used for pushing and abutting against the air cylinder. By means of device, the problem that a traditional polishing device cannot evenly polish a pipe fitting or local polishing is excessive is solved.

The invention discloses an alcohol stove. The alcohol stove comprises a stove base; an alcohol storage groove is formed in the middle of the upper end of the stove base; a circular cavity is formed inthe position, on the outer side of the alcohol storage groove, of the stove base; and low-boiling-point evaporation liquid is arranged in the circular cavity. The low-boiling-point evaporation liquidis heated to evaporate, so that the temperature of alcohol in the alcohol storage groove is reduced, evaporation of the alcohol is reduced, and then waste of the alcohol is reduced; gas generated when the low-boiling-point evaporation liquid is heated to evaporate enters a containing groove via an opening and pushes first pistons and second pistons, the four first pistons move oppositely so thatfour sector-shaped cover plates can move close to one another gradually, then the opening in the upper portion of the alcohol storage groove is narrowed, then power of a flame is reduced, automatic adjustment of the power of the flame is carried out, and the dining experience of diners is improved; and by using gas generated during low-boiling-point evaporation to push the second pistons, an air bag expands, then a plurality of magnets attract a pot body, and the situation that the pot body is turned over when the diners pick up food is effectively prevented.

The invention discloses a heavy metal pollution remediation ball for river water treatment and a using method thereof and belongs to the technical field of river water treatment. The heavy metal pollution remediation ball for river water treatment includes an adsorption ball, wherein a hollow spherical shell is fixedly mounted in the adsorption ball; an interlayer film is fixedly installed on theinner wall of the hollow spherical shell and divides an inner cavity of the hollow spherical shell into an upper discharging area and a lower discharging area, liquid materials are placed in the upperdischarging area, solid materials are placed in the lower discharging area, and two symmetrically-arranged connecting rods are fixedly connected to the outer wall of the hollow spherical shell. According to the invention, heavy metal pollution of river water can be remediated and treated through the adsorption effect of the adsorption balls; wherein in the remediation process, the adsorption balls sink to the bottom of a water body and then rise and suspend on the water surface, so that the adsorption balls can make contact with water bodies with different depths, remediation is more comprehensive, the effect is better, and the whole remediation ball device is convenient to recycle.

The invention discloses a handheld medicine spraying device for the ear-nose-throat department. The handheld medicine spraying device for the ear-nose-throat department comprises a liquid storage cylinder and a bottle body, wherein a minitype annular heater is arranged at the bottom of the inner side of the bottle body, an air bag is embedded in the position, corresponding to a corrugated groove, of the middle of the right side of the bottle body, a pressurizing pipe is arranged at the top end of the air bag in a communicated mode, a sealing cover is connected to the bottle mouth of the bottle body in a sealing mode through threads, a liquid guiding pipe is vertically arranged in the middle of the sealing cover, the liquid storage cylinder is fixed to the top end of the liquid guiding pipe in a communicated mode and is located at the upper side of the sealing cover, a medicine spraying pipe is horizontally arranged in the middle of the right end of the liquid storage cylinder in a communicated mode, and a spray head is arranged at the right end of the medicine spraying pipe. The handheld medicine spraying device for the ear-nose-throat department is stable in structure, easy to operate, high in adaptability and capable of reducing the workload of doctors and improving medicine spraying efficiency.

The invention relates to a method for processing low-salt air-dried golden pork knuckles, which belongs to the method for processing preserved meat products. Preserved meat produced by a conventional method cannot meet the requirement on low salt content, strong preserved flavor and unique flavor. The method of the invention comprises a material selection process, a preservation process, a tank filling process and a vacuum package process. The method is characterized by also comprising a wild pepper salt preparation process, a rinsing process, and drying and cooling processes; in the wild pepper salt preparation process, crude salt, wild pepper, cassia and star anise serve as raw materials; in the preservation process, a preserving material is obtained by mixing sodium nitrite, sodium isoascorbate, tea polyphenol and BHT into the wild pepper salt; in the tank filling process, the weight percent ratio of the wild pepper to the pork knuckles is (2-3):100; and in the rinsing process, the rinsing of the pork knuckles is stopped when the concentration of light salt brine is less than or equal to 3 degree Be. The pork knuckles prepared by the method have the characteristics of dryness and smoothness, robust handfeel, golden cuticular layer, strong preserved flavor and unique flavor; and the salt content of a finished product is less than 5 percent.

The invention relates to an inhaler and an atomization assembly of the inhaler. The atomization assembly of the inhaler comprises a liquid storage structure and a blocking structure capable of being automatically blocked after a liquid injection head is pulled out; a liquid storage cavity is formed inside the liquid storage structure, a liquid injection hole communicated with the liquid storage cavity is formed in the liquid storage structure, and the liquid injection hole is sealed by the blockage structure; a clamping portion on the side wall of the liquid injection hole is located inside a clamping groove in the blockage structure; a connecting pillar is arranged in the clamping groove, a through hole for containing the connecting pillar is formed in the clamping portion, the connecting pillar is located inside the through hole, and the two ends of the connecting pillar are connected to two opposite side walls of the clamping groove respectively. The connecting pillar is connected with the two opposite side walls of the clamping groove through the through hole, accordingly, combination force between the blockage structure and the liquid storage structure is reinforced, and the situation that the blockage structure is poked into the liquid storage cavity while the liquid injection head is inserted into the blockage structure or the situation that the blockage structure is pulled out of the liquid storage structure while the liquid injection head is pulled out of the blockage structure is avoided.

The invention relates to a cable bending device, in particular to a cable bender suitable for transformer and high and low voltage cabinet cable distribution. The cable bender aims to solve the problem that the contact area of a cable head and a busbar is small due to hand bending of the cable head by arranging a plier body and an ejection mechanism to enable the bending radian of the cable head to be standard, site working efficiency of cable bending is improved, direct contact of staff and a cable is avoided, and operation safety is improved. The cable bender comprises the plier body and the ejection mechanism, wherein the plier body comprises a connecting part, a first supporting rod, a second supporting rod, a first holding rod and a second holding rod, the first supporting rod and the second supporting rod are fixed at the upper portion of the connecting part and arranged symmetrically, and the first holding rod and the second holding rod are hinged to the upper portion of the connecting part and arranged symmetrically; the ejection mechanism comprises an ejection rod and an elastic rod, the elastic rod is connected with the tail end of the ejection rod and is forked and bent to two sides, the tail end of the ejection rod is fixedly connected with the first holding rod and the second holding rod, the top end of the first supporting rod and the top end of the second supporting rod are hinged to a first clamping groove part and a second clamping groove part, and the first clamping groove part and the second clamping groove part are used for clamping the cable.

The invention discloses a woven vascular stent, which has a pipe network-shaped structure woven by at least one super-elastic memory alloy wire. The stent, on the whole, is in a flat cylinder shape. The front end and the tail end of the wire are fixed together in a direct welding mode or welded together in a welding pipe mode. The wire at the end part of the stent has a closed structure. Two end parts of the stent are provided with development points. The end part of the stent is sine-shaped, Z-shaped, or a sine and Z combination-shaped. The stent can be recovered and reset. The woven wire at the end part of the stent has a closed shape and is arc-shaped, the front end and the tail end of the woven wire of the stent are fixed and welded together, adherence and corrosion resistance of the stent are improved, and the end part of the stent and the front end and the tail end of the woven wire can be prevented from puncturing the blood vessel; and as the surfaces of two ends of the stent are provided with the development points, development performance of the stent is provided, and operation and positioning under X rays by a medical staff can be facilitated.

The invention discloses a corn stigma peeling device, and belongs to the technical field of corn processing equipment. The corn stigma peeling device comprises a peeling barrel, a support barrel, a plurality of spikes and elastic components. The peeling barrel is of a barrel structure formed by a plurality of arc-shaped plates in an enclosed manner, the support barrel sleeves the peeling barrel, the upper end of the support barrel is connected with the upper ends of the arc-shaped plates, the corresponding spikes are arranged on the side, which is far away from the support barrel, of each arc-shaped plate and are connected with the arc-shaped plate, the end, which is close to the corresponding arc-shaped plate, of each spike is lower than the end, which is far away from the arc-shaped plate, of the spike, the multiple spikes are uniformly distributed on the arc-shaped plates, the elastic components are arranged between the support barrel and the arc-shaped plates, the end, which is close to the support barrel, of each elastic component is connected with the lower portion of the support barrel, and the end, which is close to the corresponding arc-shaped plate, of each elastic component is connected with the lower end of the arc-shaped plate. The corn stigma peeling device has the advantages that corn stigmas on corn cobs can be effectively removed by the corn stigma peeling device, accordingly, corn cob air drying effects can be improved for the corn cobs in stacking and air drying procedures in later periods, the problem of vulnerability to rotting and mildew of existing corn cobs due to the fact that water vapor can be easily stored in existing corn stigmas can be solved, and the shelf lives of the corn cobs can be prolonged.

The invention relates to a computer case plate marking device. The computer case plate marking device comprises a rack and a conveying device. A supporting plate and a dye roller are fixedly connectedto the rack. The interior of the dye roller is hollow, and the top of the dye roller is connected with a cylinder. A groove is formed in the outer wall of the dye roller. The dye roller is provided with a feeding port and a discharging port. The discharging port is connected with a marking post. Rotary blades are hinged to the bottom end of the marking post. A first supporting spring is arrangedon the marking post and located between the dye roller and the supporting plate. The interior of the marking post is hollow, and the marking post is engaged with an internally-hollow marking tube. Thebottom of the marking tube penetrates through a first through hole and is provided with a marking head. A supporting rod is arranged on the supporting plate. A protrusion is fixedly connected to thesupporting rod and slidably connected into the groove. A piston rod is fixedly connected with a first connecting rod, and the first connecting rod is fixedly connected with a second connecting rod. Anairbag is arranged below the second connecting rod and connected with an air pipe. The other end of the air pipe is connected with a spray head. A collection box is arranged at the discharging end ofa conveying belt. By adoption of the computer case plate marking device, the problem that dye layering and material supplement of the marking head are inconvenient is solved.

The invention discloses an LED detection device and method. The LED detection device comprises a detection circuit board; an elastic substrate arranged at the lower end of the detection circuit board,wherein a detection electrode is arranged on the face, away from the detection circuit board, of the elastic substrate, the detection electrode is electrically connected with the detection circuit board, and the detection electrode is right opposite to an electrode of a to-be-detected LED chip; and a fillable area, wherein the fillable area is arranged between the detection circuit board and theelastic substrate. According to the invention, after the fillable area is filled, the detection electrode is in contact with the to-be-detected electrode to judge whether the to-be-detected LED chip at the current detection position is a chip with poor electrical property or not, so that the chip with poor electrical property can be screened out. Besides, the position of a probe does not need to be moved mechanically, the LED chip is prevented from being stabbed by the probe, the LED chip can be accurately aligned with an electrode of the LED chip to be powered on, and the detection speed of the LED chip is increased.

The invention relates to a resist-discharge lock, comprising lock head, marble hole of lock head connecting with the side face of marble hole in lock core and side marble hole with side marble, key hole and spring, characterized in that there is at least one angle marble, whose head is axe figuration and matched with inclined tooth of key in the marble hole, there is gap at the side is matched with the head of side marble, the lock is the anti-theft marble lock with good resist-discharge performance. When the inclined tooth of key is in keeping with the demand at height and angle position it can be unlocked.

The invention relates to an auxiliary mechanism, in particular to an auxiliary mechanism for removing eye foreign matter. Therefore, the auxiliary mechanism for removing the eye foreign matter aims atachieving the technical purposes that the eyelids of a patient can be spread to provide convenience for medical staff to remove the foreign matter in the eyes, and the situation is avoided that the eyes of the patient are stabbed by the hands. According to the technical implementation scheme, the auxiliary mechanism for removing the eye foreign matter comprises a head band, a buffering cushion, shaft sleeves, rotating shafts, vertical plates, fixing rods, spreading rods, suction cups, first torsion springs and the like; the buffering cushion is installed on the inner side face of the head band, and the shaft sleeves are symmetrically installed at the left and right sides of the front portion of the outer side face of the head band and internally provided with the rotating shafts. According to the auxiliary mechanism, the head band is worn on the head of a patient, the eyelids of the patient are spread through the outward movement of the suction cups, the medical staff do not need to spread the eyelids of the patient with the hands, the eyes are prevented from being stabbed by the hands, and the medical staff can remove the foreign matter in the eyes with the two hands more conveniently.

The invention relates to the field of valve production, and discloses a painting device for a valve handwheel. The painting device comprises a paint groove; a rack is arranged on the paint groove; a rack is slidably connected onto the rack; a small gear is meshed with the rack; a cross rod is rotatably connected to the rack; a fixed position is arranged on the cross rod; the fixed position is sleeved with an elastic inflation barrel; a vertical pipe is arranged on the rack; a piston which is in clearance fit with the vertical pipe is arranged in the vertical pipe; the inside of the vertical pipe is divided into an upper pipeline and a lower pipeline by the piston; a connection rod is arranged in the upper pipeline; two ends of the connection rods are separately hinged to the rack and the piston; an inflation pipe is connected between a lower end of the lower pipeline and the elastic inflation barrel; a paint inlet pipe is connected with the paint groove; a rotary shaft is rotatably connected into the paint groove; a turbine is fixedly connected to one end of the rotary shaft and is located at a connection opening of the paint inlet pipe and the paint groove; and an elastic belt isconnected between the other end of the rotary shaft and the cross rod. By adopting the painting device, while the handwheel is painted, a through hole of the handwheel is prevented from being paintedwith paint; and machining efficiency of the handwheel is improved.

The invention discloses a night-vision anti-slip safety screwdriver which comprises a handle and an operating rod connected at one end of the handle. The operating rod is provided with a screw sleeve coaxial with the operating rod, and one end of the screw sleeve sleeves the operating rod while the other end of the screw sleeve protrudes the end, away from the handle, of the operating rod. An elastic sleeve is arranged on the inner wall of the screw sleeve and positioned, away from the operating rod, on the inner wall of the screw sleeve. An LED (light emitting diode) lamp and a control switch thereof are arranged on the outer wall of the screw sleeve made of transparent plastic. Owing to the screw sleeve arranged on the operating rod, a screw can be conveniently screwed by putting the screw in the screw sleeve and guaranteed against deviating from a preset way, so that stab accidents are avoided effectively. Further, since the operating rod and the screw are both arranged in the screw sleeve, slipping between the screwdriver and the screw is effectively avoided to protect surfaces of parts from being punctured. In addition, the screwdriver is convenient for people to use at night by the aid of the LED lamp arranged on the screw sleeve.

Punchproof vehicle tyre and its preparation method comprises cover tyre and gas charging inner tyre composed inner layer of charging ring tyre and outer layer tyre composed by multiple charging small balls prepared by blowing fused rubber into ball-type mould; the latter is near the outside diameter wall of cover tyre and takes up 40% share of total cover tyre space as the punchproof layer. The tyre is characterized in that prolongs service life of vehicle tyre and ensures vehicle safe running.

The invention discloses a powder bottle quantitative suction method and a powder bottle quantitative suction device. The powder bottle quantitative suction method comprises the following steps of weighing to obtain a first weight value W1 of a powder bottle; injecting solution into the powder bottle; weighing to obtain a second weight value W2 of the powder bottle after solution injection; according to the required suction amount L, sucking the solution in the powder bottle, wherein L is equal to (W2-W1)*a%, and a% is a preset value; weighing to obtain a third weight value W3 of the powder bottle after suction; when an error e is controlled within the preset accuracy range, quantitatively sucking, wherein e is shown in the attached figure. The powder bottle quantitative suction method has the advantage that the solution in the powder bottle can be sucked according to the required suction amount, so that the suction frequency is reduced, and the weighing frequency of the powder bottle after suction is also reduced, thereby improving the suction efficiency, and avoiding the pricking damage of a rubber cork.

The invention belongs to the field of food processing, and particularly relates to a cooked shelled ovalipes punctatus conveniently prepared food and a processing method thereof, which solve the problem of serious waste of ovalipes punctatus source caused by severe loss of crab endoplasm during processing of ovalipes punctatus. The cooked shelled ovalipes punctatus conveniently prepared food comprises the steps of washing and trimming, bagging, steaming and cooling; according to the step of washing and trimming, ovalipes punctatus is washed cleanly and is subjected to carapaces, navels and pincers removal; according to the bagging step, the trimmed ovalipes punctatus is packaged into a packaging bag and filled with ovalipes punctatus soup to just completely immerse the ovalipes punctatus into the soup and then sealed; according to the steaming step, the sealed ovalipes punctatus product with soup is steamed till the central temperature of the product is over 85 DEG C; and according to the cooling step, the steamed ovalipes punctatus product with soup is cooled and quickly frozen till the central temperature of the product is minus 18 DEG C below.

The invention discloses a gynecological cervical disease examination, diagnosis and treatment device. The device comprises a treatment unit and an examination and diagnosis unit, and the examination and diagnosis unit and the treatment unit are matched with each other. The device can smoothly go deep into the cervix uteri of a patient, and the patient is not scratched easily in a penetrating process, so that safety performance is good, extra injuries to patients can be effectively prevented; and meanwhile, different treatment drugs can be fed into the cervix uteri of the patient, and the treatment drugs fed into the cervix uteri of the patient are evenly distributed, so that the treatment effect is effectively improved. Medical staff can conveniently diagnose cervical diseases suffered bythe patient according to the state of the cervix uteri of the patient. During operation, safety performance is good, an undesirable phenomenon that tissues at the cervix uteri of a patient are punctured suddenly due to improper operation during sampling can be effectively prevented; and a prepared protective layer can effectively improve corrosion resistance, water resistance and aging resistanceof a cylinder, so that the service life of the device is long.

The invention relates to a device for removing eyelid and dropping eye drops, belongs to the technical field of daily life. The device comprises a conical funnel, nipper plates and a medicine bottle for containing eye drops, wherein the inlet of the conical funnel is butted with the bottle mouth of the medicine bottle, the number of the nipper plates is two, the two nipper plates are symmetricallyarranged relative to the axis of the conical funnel, the middle parts of the two nipper plates are respectively hinged on the outer walls of the left side and right side of the conical funnel througha hinged structure to form an expansion-like nipper structure, and the distance between the outlet of the conical funnel and the hinged structure is smaller than the distance between one end of the nipper plate, away from the medicine bottle, and the hinged structure. With the adoption of the structure, the eye drops can be more accurately dripped into an eye dome, and the nipper plates replace the fingers of a user to remove the eyelid, so that the eye cannot be contacted with the fingers, and the infection of bacteria of the eye by the hands can be avoided.

The invention relates to a safety net for electric transmission line tower erecting activities, iron tower materials are assembled outside the iron tower, main ropes are fixed between iron tower materials. The safety net is characterized in that three-jaw blunt end inner hooks are fixedly mounted on the main ropes at equal intervals, the blunt end of each three-jaw blunt end inner hook is an obtuse angle inner hook facing a middle shaft position, other main ropes are connected horizontally or vertically on three-jaw blunt end inner hooks between main ropes in a hanging ring manner so as to form a sealed activity safety net. According to the safety net provided by the invention, safety of a worker conducting horizontal work and vertical tower climbing is realized, when the worker conducts horizontal work, a safety rope is additionally arranged on the three-jaw blunt end inner hooks in conjunction with the safety hanging point of the steel rack; when the worker climbs the tower, in case of accidentally dropping, the three-jaw blunt end inner hook can hook the worker in the vertical direction, so as to avoid tower climbing dropping, at the same time, the three-jaw blunt end inner hook is capable of preventing the worker from being stabbed, resistance of the safety rope in the process of rising can be decreased, and the safety net can be untied to reuse after the operation is accomplished.

The invention belongs to the technical field of geological measurement, and particularly relates to a geological section measuring device. The geological section measuring device comprises a first rodand a second rod, wherein a rope retractor is fixed at the upper end of the first rod; a fixing ring is fixed at the upper end of the second rod; the fixing ring and the rope retractor are fixedly connected through a measuring rope; rod seats are fixed at the upper ends of the first rod and the second rod respectively; first fixed blocks are fixed at the upper end of the first rod on two sides ofthe corresponding rod seat respectively; second fixed blocks are fixed at the upper end of the second rod on two sides of the corresponding rod seat respectively; the upper end of the first rod on the other two sides of the corresponding rod seat are fixedly connected with rope belts respectively; one end of each rope belt is fixedly connected with a rotating column; rotating grooves are formed in the upper end of the second rod on the other two sides of the corresponding rod seat respectively; a rod body is fixed to the bottom end of each rod seat; a rod head is fixed to the bottom end of each rod body; sleeves are arranged around the outside of each rod head; dust around the outside of the rod heads can be scraped by virtue of elastic expansion of the sleeves, and meanwhile the rod heads can be protected, and the rod heads are prevented from pricking other people when not in use.

The invention discloses a mechanical vibrating device used in a concrete test process, comprising a base, support square tubes, a rectangular trough body, a lifting device and a damping device, wherein the support square tubes are fixedly disposed at the four corners of the upper surface of the base; movable rods are inserted into the support square tubes; screws are fixedly disposed on the outer sides of the bottoms of the movable rods; end portions of the screws extend out of rectangular through grooves outside the support square tubes; and the screws are provided with stopping nuts outside the support square tubes. In actual use, a mold filled with concrete can be placed inside the rectangular tank body and then is fixed by fastening screws, then the insertion depths of the movable rods in the support square tube are adjusted so that a vibration needle is located at a suitable height inside the mold; then the lifting device is activated to move the vibration needle up and down to tamp the concrete in the mold. The mechanical vibrating device avoids manual repeat tamp and saves manpower.

The invention discloses a material clamping and conveying method for a prefabricated bag packaging machine, and belongs to the field of material packaging. The material clamping and conveying method is characterized by comprising the following steps: a, a material is fed by a material feeding mechanism to a to-be-clamped station, and clamped by the two sides in the horizontal material conveying direction of a clamping mechanism; b, the clamped material is conveyed to a to-be-pushed station, and a prefabricated bag is expanded by a bag expanding mechanism; and c, the material conveyed to the to-be-pushed station is pushed by a material pushing mechanism, and meanwhile the prefabricated bag is driven by the bag expanding mechanism to move opposite to the pushed material. By adoption of the material clamping and conveying method, the material can be pushed by the material pushing mechanism into the prefabricated bag continuously, and the continuous degree of material conveying and pushing is high. Besides, the material clamping and conveying method has the characteristics that the conveying and packaging stroke is short, and the packaging efficiency is high.

The invention discloses a material packaging method for a prefabricated bag packaging machine, and belongs to the technical field of material packaging. The material packaging method comprises the following steps: material clamping or holding, prefabricated bag expanding, material pushing and prefabricated bag removing, wherein in the material clamping or holding process, a material is clamped or held under the action of a clamping mechanism or a holding mechanism, and conveyed to a to-be-pushed station; in the prefabricated bag expanding process; the left and right sides of the bag mouth of the prefabricated bag are expanded under the action of a bag expanding mechanism; in the material pushing process, the material moves under the action of a material pushing mechanism in the direction of the bag mouth of the prefabricated bag to the bottom of the prefabricated bag, and continues being pushed along with the prefabricated bag; and in the prefabricated bag removing process, after moving to the bottom of the prefabricated bag, the material continues being pushed by the material pushing mechanism, and then is removed from the bag expanding mechanism. By adoption of the material packaging method, the material can be pushed by a material pushing head into the prefabricated bag continuously, and the continuous degree of material conveying and pushing is high. Compared with a conventional packaging method, the material packaging method provided by the invention has the advantages that the conveying and packaging stroke is shorter, and the packaging efficiency is higher.