37results about How to "Prevent activity" patented technology

The present invention discloses an efficient push-pull network connector. The connector comprises a first fixed seat and a second fixed seat; a connection seat is installed at a right side of the internal portion of the first fixed seat, and a connection head is installed at a left side of the second fixed seat; first wiring heads are arranged at the lower portion of the internal portion of the connection seat, and second wiring heads are arranged at the lower portion of the first wiring heads; latches are arranged at the left side surface of the connection head, and second magnet rings are installed at the left side of the internal portion of the connection head; movable blocks are respectively arranged at front and back sides of the external portion of the connection seat, and connectionrods are respectively arranged between each movable block and the connection seat; and springs are installed at the internal portions of the movable blocks. The efficient push-pull network connectoremploys a detachable installation mode to allow users to conveniently replace parts in the device, the device is provided with fixed structures at various positions to ensure a loosening condition when the connection seat and the connection head are installed so as to avoid a condition that network connection is not stable.

The invention discloses a building construction method of an interior wall. The construction method comprises the steps that (1) concrete is prepared, specifically, building debris is subjected to smashing operation through a smashing device, thus broken stones are prepared, then the broken stones, cement, water and a water reducing agent are evenly mixed through a stirring machine to get a raw material A, and then a compound A is prepared after an expanding agent is added into the raw material A and stirring is conducted continuously; (3) a wall is bricked, specifically, reinforcing steel bars are erected at the positions, corresponding to the indoor wall, of a construction site, and a brick wall is piled up on the outer portions of the reinforcing steel bars; and (4) a wall body is formed, specifically, concrete is poured into the brick wall and the reinforcing steel bars, and the wall body is formed after the concrete is solidified. According to the construction method of the indoorbuilding wall, sand and stones are directly manufactured through the building debris, and waste of non-renewable resources is effectively avoided. Investment of building debris treatment is omitted,the project cost is effectively lowered, and meanwhile the municipal administration cost can be lowered to a large extent. The input amount of water when the concrete is prepared is effectively decreased by adding the water reducing agent, resources are further saved, and the project cost is reduced.

The invention discloses a sewage treatment device which is used in university laboratories and can be fixedly conveniently. The sewage treatment device which is used in university laboratories and can be fixedly conveniently comprises a device main body, a water storage cabin, and a groove; a tunnel is arranged on the upper part of the device main body; a filter screen is arranged in the tunnel; active carbon is introduced into the lower part of the tunnel; a ceramic plate is arranged under the active carbon; the two sides of the water storage cabin are connected with water faucets; an elastic rubber pad is arranged at the lower part of the internal part of the groove; sucking discs are arranged at the lower part of the elastic rubber pad; the two sides of the device main body are provided with universal wheels; each universal wheel is provided with a connecting rod; limited blocks are arranged on the device main body; a threaded rod is arranged between the two limited blocks; the lower part of a pressing rod is connected with a pressing plate. According to the sewage treatment device which is used in university laboratories and can be fixedly conveniently, the sucking discs are fixedly arranged on the ground under the action of pressure different, operation is convenient, and the sewage treatment device can be moved via unfolding of the universal wheels.

The invention discloses a drum component of a washing machine and a wall-mounted washing machine with the drum component. The drum component comprises an outer drum, an inner drum, a connecting shaft and belt pulleys, a bearing base is arranged at the back end of the outer drum, and a first bearing and a second bearing which are arranged at intervals in the axial direction of the bearing base are arranged in the bearing base; the central axes of the first bearing, the second bearing and the bearing base coincide with the center axis of the outer drum, and the inner drum is rotatably arranged in the outer drum; the connecting shaft comprises a first shaft segment and a second shaft segment, the inner drum is connected to the front end of the first shaft segment, and the first shaft segment penetrates through the first bearing; part of the back end face of the first shaft segment abuts against the front end face of an inner ring of the second bearing, the second shaft segment is connected to the other end of the first shaft segment and extends in the axial direction of the first shaft segment, the second shaft segment penetrates through the second bearing, and the belt pulleys are arranged on a shaft of the second shaft segment in a sleeving mode and abut against the back end face of the inner ring of the second bearing. According to the drum component, the stability of the washing machine is improved.

The invention relates to the technical field of steering motor shell machining and discloses a rough machining deburring device for a steering motor shell. The rough machining deburring device for thesteering motor shell comprises a machine body with a transverse movable through groove; the inner side of the transverse movable through groove is movably connected with a transverse movable connection block; the bottom of the transverse movable connection block is connected with a transverse circular drive mechanism; a transverse auxiliary slide groove is formed in the middle of the top of the machine body; the inner side of the transverse auxiliary slide groove is movably connected with a transverse auxiliary connection block; the top of the transverse auxiliary connection block is fixedlyconnected with an auxiliary supporting rod; and a fixed rotary barrel is fixedly connected with the top of the auxiliary supporting rod. Through mutual cooperation of the machine body, the transversecircular drive mechanism, the fixed rotary barrel, a low-speed motor, a torque rotary shaft, an inner direction clamp mechanism, an electric lifting rod, a drive machining mechanism and a control panel, the problem that an existing machining deburring device for the steering motor shell cannot remove burrs on the surface of the motor shell thoroughly is solved.

Disclosed is a limb supporting device for gynecological examination. The limb supporting device comprises a moving plate, a telescopic rod, a supporting plate and a supporting frame, a supporting ring is welded to one side of the moving plate, a lifting rod is installed in the supporting ring in a penetrating mode, and the telescopic rod is installed at the top of the moving plate through a bolt; a supporting plate is installed at the top of the telescopic rod through a bolt, a first bearing seat is installed at the top of the supporting plate through a bolt, a first pushing rod is movably connected to the top of the first bearing seat, and a back supporting plate is movably connected to the top end of the first pushing rod through a second bearing seat; and the top connecting piece of the supporting plate is connected with a second pushing rod. The angle of the leg supporting plate is adjusted, the thigh of a patient is supported, the thigh of the patient is prevented from being in a suspended state all the time when the body of the patient is detected, leg fatigue of the patient can be relieved to a large extent, comfort of the patient is improved, and a doctor can conveniently examine the lower half body of the patient.

The invention discloses an upwind traveling device, comprising two connection seats and third fins. First fins are arranged at the bottom between the connection seats and are embedded in the peripheryof a first spindle; the first fins are connected with the connection seats via the first spindle; each end of the first spindle is connected with second fins; the third fins are positioned above thefirst fins; a first channel is reserved in each second fin; a second channel is reserved in a wind guide plate; the lateral side of each guide rail is provided with a second fixing rod; both sides ofeach guide rail are pre-provided with second limiting holes. The upwind traveling device is convenient to mount at the rear of a small boat; when the small boat travels upwind, wind power can be effectively converted into kinetic energy to push the small boat to travel upwind; when the small boat has no need for upwind traveling, wind power can be effectively utilized to slow down the small boat.

The planetary gear reduction gearbox with the autonomous lubrication control effect comprises a base and a shell, a supporting plate is movably installed at the top of the base, two sets of symmetrically-distributed limiting clamping strips are installed at the top of the supporting plate, the shell is installed at the top of the supporting plate, and the shell is located between the two sets of limiting clamping strips; and a front sealing cover is mounted at the front end of the shell through bolts. An oil delivery pump is installed, the oil delivery pump pumps lubricating oil in an oil storage tank through an oil pumping pipe, the lubricating oil enters an oil guide pipe, during oil delivery, a control valve is opened to enable the lubricating oil to smoothly enter an oil delivery pipe, and a lubricating oil dropper on the oil delivery pipe drips the oil on a first sun gear and a second sun gear; through meshing of the clamping teeth, lubricating oil can be distributed on the surface of each gear, friction force on the device is reduced, normal transmission of the device is facilitated, and meanwhile friction loss between the gears in the transmission process of the device is reduced.

The invention discloses a medical dialysis sickbed with a nephropathy hemodialysis function, and relates to the technical field of medical instruments. Comprising a bed body, supporting seats are arranged at the two ends of the bottom of the bed body, a bottom plate is welded to the bottoms of the supporting seats, a mounting frame is welded to the surfaces of the supporting seats, two electric cylinders are mounted on the surface of the mounting frame, the output ends of the two electric cylinders are connected with the bottom of the bed body, and a protective shell is mounted on the surfaces of the electric cylinders; an assembling frame is welded to one side of the surface of the bed body, an adjusting mechanism is installed on the surface of the assembling frame, a fixing vertical rod is connected to the surface of the adjusting mechanism in a bolting mode, a fixing shell is installed at the bottom of the fixing vertical rod, a temperature control pad is installed on the surface of the bed body, and a massage mechanism is installed at one end of the bed body. A dialyzer body is arranged on one side of the bed body; the arm fixing device has the advantages that the arm of a patient can be fixed, a large number of wire harnesses can be wound, and the comfort of the patient is improved.

The invention discloses a volumetric flask solution mixing device for food inspection, and the device comprises a bottom plate, an electric control box and a first push rod, the electric control box is installed at the top of the bottom plate through a fixing base, a supporting plate is installed on the inner side of the top of the electric control box, and a control motor is installed at the bottom of the supporting plate through bolts, the output end of the control motor is connected with a rotating rod, the rotating rod is embedded in the bottom of the fixing groove, a supporting piece is installed at the top of the electric control box and located on the outer side of the rotating rod, the top of the supporting piece is embedded in the bottom of the fixing groove, and the first push rod is installed at the top of the bottom plate through a bolt, and the first push rod is located on one side of the electric control box, and a first piston rod is installed at the top of the first push rod. According to the solution mixing device, a mounting groove is aligned to the bottle opening of a solution bottle, the mounting groove is clamped at the bottle opening, and the solution bottle is sealed by a sealing pad, so that the sealing performance of the device is guaranteed, and the condition that the solution leaks in the solution mixing process of the device is prevented.

The invention provides a high-strength anti-corrosion solar photovoltaic support. The process form of a traditional photovoltaic support is broken through, and an aluminum alloy solar photovoltaic support pipe fitting is prepared and welded to form the aluminum alloy solar photovoltaic support; the aluminum alloy solar photovoltaic support is cleaned and dried; ceramic is ground into ceramic powder, an aluminum ion electrolytic solution is prepared and contained in an electrolytic cell, and the ceramic powder is added into the aluminum ion electrolytic solution to be evenly stirred to preparea turbid solution; and the aluminum alloy solar photovoltaic support is placed in the turbid solution to serve as a cathode, current is added for plating, the aluminum alloy solar photovoltaic supportis placed in the electrolytic solution for anodic oxidation treatment, and an oxidation layer is generated on the surface of the aluminum alloy solar photovoltaic support. Compared with the prior art, according to the high-strength anti-corrosion solar photovoltaic support, the strength and the wear resistance of the solar photovoltaic support can be remarkably enhanced through the process, so that the corrosion resistance and other properties of the solar photovoltaic support are durable and stable.

The invention discloses a packaging box for shipping. The packaging box for shipping comprises a box body. A detachable box cover is arranged at the top end of the box body. Air-inflation air bags are arranged on the bottom face and the side face inside the box body in a laid manner. Air-inflation nozzles are arranged on the side surface of the box body and communicate with the air-inflation air bags. A splicing lock structure is arranged on one surface of the box body. A lock sleeve structure is arranged on the other surface, opposite to the surface where the splicing lock structure is located, of the box body, wherein the lock sleeve structure is matched with the splicing lock structure. The packaging box has the beneficial effects that stability of an express delivery box in the shipping process is effectively guaranteed, transportation safety is guaranteed, and express delivery efficiency is improved.

The invention discloses an auxiliary support used for oral cavity detection, and particularly relates to the field of medical equipment. The auxiliary support comprises a supporting base; the top partof the supporting base is fixedly provided with a folding rod; the front side of the top end of the folding rod is fixedly provided with a head part limiting plate in hinged manner; the front side ofthe head part limiting plate is fixedly provided with mouth opening limiting mechanisms; the mouth opening limiting mechanisms are arranged by two and are arranged in a bilateral symmetry manner withrespect to the head part limiting plate; each mouth opening limiting mechanism includes an adjusting plate, an adjusting assembly, tooth fixing assemblies, arc-shaped telescopic rods and a hinge assembly; each adjusting assembly is arranged in the corresponding adjusting plate; the number of the tooth fixing assemblies of each mouth opening limiting mechanism is two; and the two tooth fixing assemblies are arranged symmetrically at one side of the corresponding adjusting plate vertically. The entire auxiliary support disclosed by invention is arranged on at the back side of a patient, and themouth opening angle is adjusted by the mouth opening limiting mechanism at two sides, so that sight line cannot be blocked by other objects when a doctor faces the patient for detection, and the operation of the doctor is also relatively convenient.

The invention belongs to the technical field of dance outdoor teaching, and particularly relates to dance outdoor teaching equipment which comprises a base, a sliding groove is formed in the side faceof the base, a sliding block is slidably connected into the sliding groove, a first fixing shaft is fixedly connected to the side face of the sliding block, and the surface of the first fixing shaftis sleeved with a supporting frame. A third groove is formed in the bottom of the supporting frame. According to the invention, the second electric push rod works and can drive the bowl-shaped grooveto move up and down along with the extension and contraction of the second electric push rod, so that the projector in the mounting block can be driven to move up and down, the height of the projectorcan be adjusted, and the projector can be driven to be subjected to the angle adjustment by virtue of the movement action of the bowl-shaped groove and the universal joint; according to the device, all structures are matched, the purpose of outdoor dance teaching is achieved, the purposes of convenient movement and multifunctional recording and using are achieved, and the whole device is reasonable in structure, convenient to use and high in practicability.

The invention discloses a fuel property detection device and a using method thereof. The fuel property detection device comprises a shell, a ventilation pipe, a temperature controller, a supporting table, a radiation monitor and a sealing cover. A mounting plate is mounted at the rear end of the shell, the ventilation pipe is mounted on the inner wall of the shell in a penetrating mode, and the temperature controller is mounted on the inner wall of one side of the shell; a temperature controller is installed on the inner wall of one side of the shell and located above the ventilation pipe, a noise detector is installed on the inner wall of the other side of the shell and located above the ventilation pipe, a supporting table is installed on the surface of the inner side of the rear end of the shell through bolts, and a radiation monitor is installed on the surface of the inner side of the top of the shell. The buffer spring is used for relieving the influence of vibration on the supporting table, ensuring the stability of the supporting table, driving the vibration sensor to vibrate in the vibration process of the supporting plate, detecting the change of the vibration frequency of the device and conveniently detecting the abnormality of the fuel property detection device.

The invention discloses an anti-blocking drainage device for thoracic surgery disease treatment. The anti-blocking drainage device for the thoracic surgery disease treatment comprises a moving plate, an ozone generator, a box body and a storage box, wherein a cleaning box is installed at the top of the moving plate through bolts, the ozone generator is installed at the top of the moving plate through bolts, the ozone generator is located on one side of the cleaning box, a supporting column is installed at the top of the moving plate through bolts and located on the outer sides of the ozone generator and the cleaning box, a supporting table is installed at the top of the supporting column through bolts, a box body is installed at the top of the supporting table through bolts, and an installing groove is formed in the top of the supporting table through bolts. According to the anti-blocking drainage device, a micro motor on a connecting cavity operates to drive a rotating rod to rotate, the rotating rod rotates to drive a crushing plate on the outer side to rotate, and the crushing plate rotates to crush impurities in waste liquid, so that the size of the crushing plate becomes smaller, a conveying pipe can convey the waste liquid conveniently, and the situation of blockage caused by the fact that the impurities in the waste liquid are too large in size is avoided.

The invention discloses an electric airing rack with a wobble preventing function and belongs to the technical field of airing racks. A servo motor is arranged in the middle of an inner cavity of a mounting casing; a take-up roll sleeves the outer wall of a driving shaft; a first driven wheel is arranged in the middle of the left side of the inner cavity of the mounting casing, and a second drivenwheel is arranged in the middle of the right side of the inner cavity of the mounting casing; slide bars are respectively inserted in inner cavities of fixing pipes, and fixing rings are respectivelyarranged on the tops of the slide bars; a first connecting cable and a second connecting cable are wound on the outer wall of the take-up roll; bottoms of the two slide bars are fixedly connected through a hanging rod. The electric airing rack is simple in structure and high in practicability; when users need to lift or fall the hanging rod, the slide bars are inserted in the inner cavities of the fixing pipes in a clearance fit manner, the hanging rod is driven to lift or fall under cooperation between the fixing ring and the first connecting cable and the second connecting cable, so that wobble of the hanging rod during lifting or falling can be prevented, stability of the airing rack is improved greatly, and service requirements are met.

The invention discloses a red wine bottle plug installer with a fixing device. The red wine bottle plug installer with the fixing device comprises a base plate and a guide plate. Fixing seats are arranged on the periphery under the base plate; support screw rods are arranged on two sides above the base plate; a first movable plate is arranged above the screw rods; a second movable plate is arranged under the first movable plate; fixing rods are arranged under connecting rods; fixing plates are arranged on one sides, facing a vertical central axis of the second movable plate, of the fixing rods; a through hole is formed in the middle of the second movable plate; a first rubber layer is arranged on an inner side wall of the through hole; connecting pins are connected to one sides, facing thefixing plates, of the fixing rods; and second rubber layers are arranged on side walls, facing the second movable plate, of the fixing plates. The red wine bottle plug installer with the fixing device can prevent wine bottles from moving when bottle plugs are installed, and can be used for installing the bottle plugs of the wine bottles according to different types of wine bottles.

The invention discloses a beauty medical instrument using IC card to identify startup, which comprises a moxibustion therapeutic instrument and a flow, a heating groove is formed in the top of the moxibustion therapeutic instrument, an upper screw cap is arranged above the heating groove, the upper screw cap is fixed to the moxibustion therapeutic instrument through threads, and the upper portion of the rear side of the moxibustion therapeutic instrument is connected with one end of an adjusting rod a through a speed reduction bearing; the other end of the adjusting rod a is fixed to one end of the adjusting rod b through a speed reduction bearing, the other end of the adjusting rod b is fixedly provided with a control device through a speed reduction bearing, the adjusting telescopic rod a and the adjusting telescopic rod b are each composed of a movable rod and a fixed cylinder, a machine induction area is fixed to the upper portion of the front face of the control device in an embedded mode, a digital tube is arranged below the machine induction area, a button is arranged below the digital tube, the button and the digital tube are fixed on the control device, and a CPU is arranged in the control device. The beauty medical instrument using IC card to identify startup has the advantages of high security, special card use, automatic identification and capable of protecting the rights and interests of merchants.

The invention discloses soil remediation equipment. The soil remediation equipment comprises a main engine, a movable arm and a scraper bucket. One end of the movable arm is matched with the main engine, the other end of the movable arm is matched with the scraper bucket, and the scraper bucket comprises a scraper bucket body, a screening and filtering opening formed in the bottom face of the scraper bucket, a first screening and filtering piece, a second screening and filtering piece and a vibrating piece used for driving the first screening and filtering piece and the second screening and filtering piece to vibrate; and a first elastic transmission piece is arranged between the vibrating piece and the first screening and filtering piece, and a second elastic transmission piece is arranged between the vibrating piece and the second screening and filtering piece. According to the soil remediation equipment, the first screening and filtering piece and the second screening and filteringpiece are arranged on the scraper bucket, screening and filtering operation can be directly continued after mud dredging is conducted by the scraper bucket, equipment used for screening and filteringdoes not need to be independently arranged, and the cost input of a remediation project is reduced; and operation that soil is carried through manpower is directly omitted, the working efficiency is improved, and the labor input is reduced.

The invention discloses a wear-resistant rubber pipe which comprises an outer rubber layer, a composite rubber layer and an embedding head; the composite rubber layer is installed in the outer rubberlayer, a sealing layer is installed in the composite rubber layer, the embedding head is fixedly installed at one end of the outer rubber layer, and a clamping groove is formed in the outer side of the embedding head in an embedded mode; and a fixing plate is welded to the outer layer of the clamping groove, the fixing plate is fixedly connected with a connecting plate on the inner side through connecting rods, and the connecting plate is fixedly installed on the outer layer of the embedding head. According to the wear-resistant rubber pipe, hard rubber is installed in a rubber layer sleeve, the outer rubber layer is arranged on the outermost layer of the device, the outer rubber layer is made of hard rubber and is smooth in surface, friction force generated when the device makes contact with the outer layer is reduced, and the abrasion resistance of the device is guaranteed.

The invention discloses a rehabilitation device for waist and leg pain and convenient for angle adjustment. The rehabilitation device comprises a base, a telescopic rod and a supporting seat, whereina first bearing seat is mounted in the base, the telescopic rod is connected to the top of the first bearing seat through a shaft rod, and a supporting plate is connected to the top end of the telescopic rod through a second bearing seat; and a first waist protecting belt is mounted at the top of the supporting plate, the supporting seat is mounted at the top of the base in an embedded mode, a sealing cover is connected to one side of the supporting seat through a hinge, a connecting plate is mounted on one side of the sealing cover, a supporting rod is mounted in the connecting plate in a penetrating mode, a placing box is mounted on the inner wall of the sealing cover, and a power line is mounted on one side of the sealing cover. The length is adjusted through the telescopic rod, the topof the supporting plate is driven to move up and down, a user can adjust the angle of the supporting plate conveniently, different requirements of the user are met, a patient can lean against the supporting plate conveniently through movement of the supporting plate, and the comfort of the patient is improved.

The invention discloses a compass type inoculation device beneficial to efficiency improvement and used for shiitake mushroom strains, and relates to the technical field of edible mushroom inoculation. The compass type inoculation device comprises a feeding mechanism, a rotating mechanism, a driving mechanism and an inoculation mechanism, wherein the feeding mechanism comprises a feeding hopper and a conveying disc located below the feeding hopper, a discharging barrel is fixedly arranged at the bottom of the feeding hopper, the bottom end of the discharging barrel extends into the conveying disc, a connecting base is fixedly arranged at one end of the conveying disc, an electric push rod is fixedly arranged in the connecting base, a feeding plate is fixedly arranged at the output end of the electric push rod, the rotating mechanism comprises a rotating disc, and a notching port, an inoculation port and a discharging port are sequentially formed in the surface of the transfer disc. And by arranging the feeding mechanism, shiitake mushroom sticks are stored through a feeding hopper, an electric push rod drives a feeding plate to push the shiitake mushroom sticks into a material groove through the feeding opening, the labor intensity of workers is reduced, the working efficiency is guaranteed, and the compass type inoculation device has wide application prospects.

The invention relates to a boring machine with an anti-passivation structure for machining. The boring machine comprises an equipment shell and a fine machining mechanism, a first multi-section hydraulic cylinder and a belt conveyor are sequentially arranged on the lower wall of the interior of the equipment shell from the middle to the front side and the rear side, a supporting plate is connected to the upper end of the belt conveyor, and a groove plate is placed at the upper end of the supporting plate; and a connecting shaft and a clamping and feeding mechanism are sequentially arranged on the upper wall of the interior of the equipment shell from the middle to the left side and the right side, a pressing and fixing mechanism is arranged at the lower end of the connecting shaft, and a first motor is installed on one side of the connecting shaft. The boring machine has the beneficial effects that a third motor drives a screw rod to rotate to discharge metal chips generated during grooving of a rough cutter, and the situation that a large number of metal chips are accumulated at the rough cutter to affect machining of a groove plate at the rough cutter, meanwhile, the cutting resistance of the groove plate at the rough cutter can be increased, the rough cutter is prone to passivation, and the service life of the rough cutter is shortened is prevented.

The invention discloses a fruit and vegetable picking robot with a built-in positioning function and a driving positioning method. The fruit and vegetable picking robot comprises a transportation plate, a placement box, a supporting base and a first mechanical arm, a bearing plate is installed at the bottom of the transportation plate, an installation box is installed at the bottom of the transportation plate through bolts, a motor is installed in the installation box, a containing box is installed at the top of the transportation plate, a fixing piece is installed on the inner wall of the containing box through a bolt, a storage box is installed at the top of the fixing piece, a partition plate is installed on the inner wall of the containing box, a telescopic rod is installed in the partition plate in a penetrating mode, a controller is installed at the top of the transportation plate through a bolt, and the controller is located on one side of the containing box. The fruit ripening degree is judged by a recognition camera according to the color of fruit, and meanwhile, the recognition camera recognizes the distance between the device and the fruit and is used for positioning the fruit and controlling the extension of the mechanical arm, so that the fruit can be conveniently and accurately grabbed by a grabbing arm.

The invention provides an anti-falling structure attached to a lifting scaffold, and relates to the technical field of anti-falling structures. The problems that when a worker works on the scaffold, the construction process can be completed only by moving, but the worker does not bind a safety bandage in the walking process, and the falling risk can be caused if the worker misses the step are solved. The anti-falling structure attached to the lifting scaffold comprises a first outer clamping mechanism, a first inner clamping mechanism, a second inner clamping mechanism, a first adjusting mechanism, a second adjusting mechanism and a fastening mechanism, wherein the rear end of the first outer clamping mechanism is rotationally connected with the rear end of the second outer clamping mechanism. An adjusting ring disc A is rotated, a threaded rod A moves downwards, a scaffold cross rod is clamped by a fitting piece A, so that the whole equipment is fixed, and the situation of movement isprevented; and in the next step, the worker hangs a safety hook on the body into a hanging groove A and a hanging groove B, so that the effect of installing and fastening the device without using fastening tools such as a wrench can be achieved.