804 results about "Cap device" patented technology

A hinge arm assembly for a charge flap arrangement of a motor vehicle includes a housing cap having at least one flexible hinge arm support, a charge flap housing coupled partially with the flexible hinge arm support, a hinge arm with a built-in drive shaft clipped into the housing cap and hold in place with clamping force, an actuator coupled to the built-in drive shaft, and at least one sealing component arranged between the actuator and the housing cap.

The multi-specification automatic cap screwing device comprises a fixed frame, a three-section type fixed clamping module is arranged at the bottom of the fixed frame, an automatic lifting cap screwing module is further arranged on the fixed frame, and a control system in communication connection with the three-section type fixed clamping module and the automatic lifting cap screwing module is installed on the fixed frame; the three-section type fixed clamping module comprises three-section type arc-shaped clamping jaws, each three-section type arc-shaped clamping jaw is composed of an upper-section clamping unit, a middle-section clamping unit and a lower-section clamping unit, each clamping unit comprises a pair of arc-shaped clamping jaws driven by a servo electric cylinder, and the servo electric cylinders drive the arc-shaped clamping jaws to execute opening and closing actions through servo electric cylinder push rods output by the servo electric cylinders; and the automatic lifting cap screwing module comprises an automatic cap screwing device and a lifting driving mechanism for driving the automatic cap screwing device to do lifting motion. Through three-section type self-adaptive clamping and torque control, laser positioning and cap screwing torque closed-loop control and in combination with deep cooperation of the mechanical arm, high-precision and high-efficiency whole-course automatic cap screwing is achieved.

A closure device for a container that defines a neck and an annular flange. The closure device comprises a cap body, a tamper evidence (TE) band positioned below the annular flange, a tongue that extends from the cap body towards the tamper evidence band and first and second leashes positioned on either side of the tongue. The first and second leashes connect the cap body to the tamper evidence (TE) band, and allow the cap body to be removed from the neck of the container while remaining attached to the tamper evidence (TE) band. When the cap body is actuated to a fully open position the first and second leashes act as a torsion spring for causing the tongue to exert a force against the neck of the container for retaining the cap body in the fully open position.

A multipurpose truck bed cover device is provided. The device is comprised of a truck bed cover designed to enhance the versatility of truck beds by offering three primary configurations: a bed cap mode for enclosed storage, a tonneau cover mode for low-profile coverage, and an open bed mode to restore the truck bed to its standard open layout. The device comprises a rectangular body with at least three side walls mounted on sliding tracks, a top wall that may fold, roll, or telescope, and locking mechanisms to secure configurations during operation. In motorized versions, electric motors powered by the truck's electrical system enable the raising and lowering of the body between modes as well as control of the top wall.

The utility model belongs to the technical field of metal drum production equipment, and particularly relates to a metal drum cap screwing device which comprises a screwing mechanism, the screwing mechanism comprises a base, an installation frame is connected to the base in a sliding mode, the installation frame comprises a beam, an installation plate is connected to the beam in a sliding mode, and an installation base is connected to the installation plate in a sliding mode. A first motor and a first rotating shaft are vertically and fixedly connected to the mounting base, a driving gear is fixedly connected to an output shaft of the first motor, a driven gear is fixedly connected to the first rotating shaft, the driving gear is meshed and matched with the driven gear, and a pneumatic clamping jaw is fixedly connected to the bottom of the first rotating shaft; and a visual detection assembly is fixedly mounted on the mounting seat. By arranging the visual detection assembly, the position of a barrel opening can be accurately recognized and positioned, by arranging the first motor and the first air cylinder, after the pneumatic clamping jaw clamps a barrel cover, the position is gradually lowered while the pneumatic clamping jaw rotates, and then the barrel cover can be screwed into the barrel opening.

The application discloses a pre-filled and capped device and method, wherein a bottle plug detection mechanism in the device is used for detecting whether a bottle plug on a capping mechanism is qualified, a nest plate conveying mechanism is used for conveying a nest plate to below the capping mechanism to receive a qualified bottle plug; a nest box conveying mechanism conveys a nest box for receiving the nest plate or an unqualified bottle plug; the method comprises the capping mechanism, the bottle plug detection mechanism, the nest box conveying mechanism, the nest plate conveying mechanism and a nest plate transfer assembly used for transferring the nest plate between the nest box conveying mechanism and the nest plate conveying mechanism; when the bottle plug detection mechanism detects that the bottle plug is qualified, the nest plate conveying mechanism conveys the nest plate to below the capping mechanism, and the capping mechanism caps a container in the nest plate; when the bottle plug detection mechanism detects that the bottle plug is unqualified, the nest box conveying mechanism conveys the nest box to below the capping mechanism, and the capping mechanism rejects the bottle plug into the nest box below; the application avoids delaying pre-filled and capped work and does not affect the requirement of filling and capping on a sterile environment.

The application discloses a pet feeder and a control method thereof. The pet feeder comprises a material tray, a screw cap device and a lifting device. The material tray is provided with a first limiting part for abutting against a can body to limit rotation of the can body. The screw cap device comprises a first driving assembly and a screw cap assembly. The screw cap assembly comprises a screw cap piece. The first driving assembly is in transmission connection with the screw cap piece. The screw cap piece is provided with a second limiting part for limiting cooperation with a cap body to drive the cap body to rotate. The lifting device is in transmission connection with the first driving assembly. The lifting device drives the screw cap device to move in the up-down direction. The screw cap device is used for driving the cap body to rotate relative to the can body. The application realizes automatic opening of the can body without the participation of personnel.

The invention relates to the technical field of pressure maintaining equipment, and discloses full-automatic pressure maintaining equipment for decorative rings, a feeding mechanism comprises a feeding conveying module and a product discharging seat arranged at the output end of the feeding conveying module, and the feeding mechanism is used for conveying and feeding products; the pressure maintaining jig is used for maintaining the pressure of the product; the pressure maintaining device comprises a pressure maintaining stock bin, a backflow conveying line connected to the feeding end of the pressure maintaining stock bin and a pressure maintaining discharging and conveying module connected to the discharging end of the conveying pressure maintaining stock bin, and a plurality of pressure maintaining jigs are arranged in the pressure maintaining stock bin and used for achieving backflow of the pressure maintaining jigs after standing and pressure maintaining are conducted on products; the cover installing and taking device is arranged between the pressure maintaining device and the feeding mechanism and used for installing a product into the pressure maintaining jig; and the material taking manipulator is used for realizing turnover material taking and placing among the feeding mechanism, the cover mounting and taking device and the pressure maintaining device.

The utility model provides a cap washing system before cap pressing, which belongs to the technical field of automatic packaging and comprises a bottle cap unloading manipulator, a bottle cap conveying device, a cap conveying device and a bottle cap washing device. The bottle cap conveying device is provided with a plurality of bearing grooves which are arranged in parallel at intervals and used for bearing a plurality of bottle caps, the bearing grooves are used for receiving the bottle caps unloaded from the bottle cap unloading mechanical arm, and the bottle cap conveying device conveys the bottle caps in a stepping mode by moving the bearing grooves. According to the cap washing system before cap pressing, after the bottle caps are taken out of the bottle cap turnover box, the bottle caps are supported through the supporting groove in the bottle cap conveying device, stepping conveying is carried out on the bottle caps by moving the supporting groove, the bottle caps cannot rub on the supporting groove in the conveying process, and therefore the bottle caps are not prone to being damaged. And then the bottle caps are sequentially conveyed into the bottle cap cleaning device through the cap conveying device to be cleaned, so that the problem that friction is generated between the bottle caps and the conveying belt in the conveying process of the existing bottle caps on the conveying belt is solved.

This sleeper roof system for a motor vehicle comprises a roof canopy (3) hinged relative to the vehicle body (5) between a closed position in which the canopy closes the vehicle roof and an open sleeper position in which the canopy extends laterally relative to the vehicle to form a sleeping structure (7), a set of hoops (9) hinged between a retracted position and an active upright position relative to the canopy, in the active position of said canopy, a set of support cables (10) attached at one end to the canopy and at the opposite end to the vehicle body so as to support the canopy in the sleeper position, and a cover device (8) comprising a canvas (11) covering the hoops and cables in the sleeper position. Figure 2

The utility model relates to the technical field of metal can processing, and discloses a metal can gland device convenient for fixing a metal can, which comprises a device table, a mounting frame is fixed at the top end of the device table, a mounting seat is arranged in the mounting frame, and a lower pressing table is arranged at the bottom end of the mounting seat. In the using process of the metal can gland device facilitating fixing of the metal can, after a metal can workpiece is placed at the top end of the fixing base, a first servo motor can be controlled to be started, a first speed reducer is used for driving a two-way lead screw to rotate, and when the two-way lead screw rotates, a threaded sleeve can be used for driving two sets of clamping bases to move inwards; the two sides of a metal can workpiece can be rapidly clamped and fixed, the metal can workpiece can be automatically positioned in the middle through the two sets of symmetrical and position-adjustable clamping bases, meanwhile, the metal can workpieces of different sizes can be fixed and used, and the problem that the metal can workpiece cannot be conveniently fixed, positioned and used is solved.

The invention discloses an anti-tamper anti-medium electronic tag device and a manufacturing method thereof. The anti-tamper anti-medium electronic tag device comprises an upper cover device, a base device, an inner core module, an anti-tamper device, an anti-medium plate and a mounting device, a coding groove, an inner core module groove and a base groove are formed in the upper cover device; the inner core module is embedded in an inner core module groove of the upper cover device, the base device is embedded in a base groove, the base device is composed of a base plate and a base anti-disassembly hole groove formed in the base plate, and the base plate and the upper cover device are fixed in a sealed mode. The anti-disassembly device is aligned with the anti-disassembly hole groove of the base and is attached to the chip of the inner core module; the anti-medium plate is attached to the bottom surface of the base plate; the installation device is attached to the back face of the anti-medium plate. The tamper-proof scheme is innovatively provided by combining the design application of the anti-medium plate, so that the tamper-proof and tamper-proof capabilities of the tag are improved, and the information safety protection capability of the tag is enhanced. The label device is simple in structure, low in cost and suitable for large-scale popularization and application.

The invention discloses a coke tank uncovering / capping device and a coking production system, the coke tank uncovering / capping device comprises a fixed frame, two fork tooth groups are mounted on the fixed frame, the upper ends of fork teeth are respectively provided with a slope and a placing platform distributed at the tail end of the slope, and the height of the slope is gradually increased along a first direction; two hanging piece groups are arranged at the upper end of the can cover, and hanging pieces are respectively provided with hanging ports into which the corresponding fork teeth are inserted; the lifting mechanism is mounted on the carrier loader, and the lifting mechanism and the coke tank are distributed at intervals in the direction deviating from the first direction; the hanging lug is installed on the tank cover and vertically corresponds to the lifting mechanism, an inserting groove used for containing the lifting end of the lifting mechanism is formed in the lower end of the hanging lug, and a notch communicated with the inserting groove is formed in the side, corresponding to the first direction, of the hanging lug. Accurate fixed-point alignment of the carrier loader is not needed, driving power is provided through movement of the coke tank car, uncovering / capping actions can be completed in the running process, and an extra power source is not needed.

The utility model relates to liquid filling technical field especially is a kind of doxorubicin hydrochloride liposome injection filling capping device, including turntable, the bottom motor of the bottom fixedly connected of turntable, the middle part rotationally connected of turntable has support column, the top fixedly connected of support column has top plate, the top of turntable is evenly provided with a plurality of first empty slot and second empty slot, and the clamping assembly for clamping and fixing bottle is set in first empty slot and second empty slot. The utility model drives first rotating rod to rotate by motor, drives second rotating rod to rotate by rotating first rotating rod, when second rotating rod rotates, it can drive fixed plate to move, when fixed plate moves, it can be assisted by slider cooperation slide rail to be in line with moving direction, when fixed plate moves, it can drive support plate, second fixed frame and gyro wheel to move together, the position of second fixed frame and gyro wheel can be adjusted to adapt to more size bottle, to satisfy more production demand.

The utility model relates to the field of container gland, especially a gland device for lubricating oil production with pressure regulation structure. Including transmission platform, mounting bracket, hydraulic cylinder, gland head, adjusting nut, threaded sleeve etc. ; Transmission platform is equipped with mounting bracket, and the top of mounting bracket is installed with hydraulic cylinder, and the piston connection of hydraulic cylinder is gland head, and the lateral wall of gland head is rotatably equipped with three adjusting nuts, and three adjusting nuts are respectively screw thread connection has threaded sleeve, and threaded sleeve is equipped with gland block, and threaded sleeve is screw thread connection has adjusting bolt in, and threaded sleeve inside places has elastic piece. The utility model drives threaded sleeve and gland block to remove through the rotation adjusting nut, can adjust the position between three gland blocks flexibly, and adapts the bottle cap of different size, and the compression amount of elastic piece in threaded sleeve is changed through the rotation adjusting bolt, realizes the regulation to the pressure of gland block.

A cap device is used in a discharge device including a discharge head configured to discharge a liquid substance from a nozzle, and the cap device includes a wet cap body including a fixing portion configured to abut on the nozzle in a wet state and cap the nozzle, and a cap support section configured to position the wet cap body and detachably support the wet cap body.

The application discloses a device for removing plastic labels and covers from recycled glass bottles, characterized in that it comprises a label cutting mechanism arranged on the front side of a conveying device, which comprises a wastewater collection pool, a bottle feeding front guide rail fixedly arranged on the front side of the wastewater collection pool, and a bottle feeding rear guide rail fixedly arranged on the upper side of the wastewater collection pool, wherein the upper and lower sides of the bottle feeding rear guide rail are fixedly installed with water jet die seats, the water jet die seats are provided with high-pressure water flow interfaces, and the bottom side of the bottle feeding rear guide rail is provided with an opening groove. The device can make the bottle body pass through the high-pressure water flow of the water jet die seat in a horizontal state, remove the plastic labels and covers from the bottle body, and then make the bottle body enter a soaking pool for hot water soaking until the plastic labels are completely stripped, so that the whole process is automatically performed, the labor is greatly reduced, and the label and cover removing efficiency is greatly improved.

The invention belongs to the technical field of laboratory automation equipment, and discloses an EP tube automatic cover opening and closing device which comprises a shell. A through groove is formed in at least one side wall of the shell; the pipe frame carrier is arranged on the outer side of the shell and corresponds to the through groove in position; the pipe frame carrier is provided with a pipe groove used for containing an EP pipe. The transmission structure is arranged in the shell; and the opening and closing cover pressing plate is connected with the transmission structure, the transmission structure drives the opening and closing cover pressing plate to swing relative to the connecting position, external force is applied to a cover body of the EP pipe placed in the pipe groove of the pipe frame carrier in the swinging process, and cover opening or closing operation is achieved. The two actions of cover pressing and cover lifting can be completed only through positive and negative rotation of the motor, and cover opening and closing are integrated.

The utility model discloses a PCR (Polymerase Chain Reaction) eight-joint pipe cover opening and closing device which comprises a bottom plate, a lower comb plate, a vertical plate, a linear guide rail, an upper comb plate mounting plate, an upper comb plate and a quick clamping device, the lower comb plate and the vertical plate are mounted on the bottom plate in a front-back manner, and a plurality of holes for placing and fixing PCR eight-joint pipe bodies are formed in the lower comb plate; the linear guide rail is vertically arranged on the vertical plate, the upper comb plate installation plate is movably arranged on the linear guide rail through a sliding block, the upper comb plate is installed on the upper comb plate installation plate and corresponds to the lower comb plate in an up-down mode, and the upper comb plate is provided with an open groove capable of clamping a PCR eight-connection pipe cover. The rapid clamping device is installed on the vertical plate through a rapid clamping device installation plate, a handle is arranged on the upper portion of the rapid clamping device, a transmission shaft is arranged on the lower portion of the rapid clamping device, and the transmission shaft of the rapid clamping device is connected with the upper comb plate installation plate through an adjusting nut. The reaction kettle is convenient to use, time-saving and labor-saving, and can avoid the problems that the reaction liquid is polluted and the tube cover is not tightly pressed.

This application relates to a sample pretreatment system, comprising: a gripping device for holding the cap of a sampling tube; a capping device for holding the tube body of the sampling tube and for rotating the tube body while the gripping device holds the cap to open or close the cap; a liquid injection device for injecting organic solvent into the tube body held in the capping device and containing the sample to be tested, to obtain a mixture; a mixing device for mixing the mixture in the sampling tube; a centrifugation device for centrifuging the mixed mixture in the sampling tube to obtain a supernatant; a filtration device for filtering the supernatant to obtain a filtrate; a pipette device for drawing at least a portion of the supernatant from the sampling tube into a pipette or injecting the supernatant from the pipette into the filtration device; and a transport device. This application improves processing efficiency and ensures the consistency of pretreatment results.

The bearing closing-in device comprises a closing-in device body, oil injection tanks are fixedly installed on the two sides of the top of the closing-in device body, push rods are fixedly installed on the two sides of the top of an inner cavity of each oil injection tank, a supporting plate is fixedly installed at the output end of each push rod, and a pressurizing plate is fixedly installed at the bottom of each supporting plate through a support. An oil bag is fixedly installed at the bottom of an inner cavity of the oil injection box, and one side of the oil bag communicates with a spray head through a pipeline. According to the technical scheme, the problems that an existing bearing closing-in device does not have an automatic oil injection function, lubricating grease or lubricating oil needs to be regularly and manually supplemented, especially under the severe working conditions of high load, high temperature, high dust and the like, the oil injection period can be shortened to be once per day or per shift, manual operation consumes time and labor, the labor cost of enterprises is increased, and the working efficiency is high are solved. If oil is not injected in time due to negligence or scheduling problems, the temperature of the bearing closing-in device can be rapidly increased due to dry friction, and the problems of surface abrasion, gluing and even locking are caused.

The utility model discloses a disc brake cover cutting device which comprises a cutting device, the cutting device comprises a base support, a fixed cover bottom cutting die and a cutting support, the fixed cover bottom cutting die and the cutting support are arranged on the base support, and a cutting mechanism covering the fixed cover bottom cutting die is arranged on the cutting support. The cutting mechanism comprises a guide cutting plate connected with the cutting support in a sliding mode and a hydraulic driving device driving the guide cutting plate to slide, an upper cover cutting die matched with the fixed cover bottom is arranged on the guide cutting plate, and a clamping device is arranged on the upper cover cutting die; the cover conveying device comprises a cover conveying support, a sliding plate assembly is arranged on the cover conveying support, a cover body placing piece is arranged on the sliding plate assembly, and the cover body placing piece is arranged under the upper cover cutting die in a sliding mode through the sliding plate assembly. And the equipment complexity and the maintenance cost are reduced, and an efficient and low-cost solution is provided for large-scale production of the electric vehicle disc brake cover.

The application discloses a material boxing system, which comprises a box body conveying device, a box cover conveying device and an instruction conveying device. The box body conveying device is sequentially provided with a bottle adding device, a bottle pressing device, an instruction adding device and a cover adding device along a conveying direction. The bottle adding device is used for adding a bottle body into a box body on the box body conveying device. The bottle pressing device is used for pressing the bottle body in the box body into position. The instruction adding device is used for bending an instruction on the instruction conveying device on both sides into a shape matched with the box body and then adding the instruction into the box body on the box body conveying device. The cover adding device is used for covering a box cover with an opening downward to the box body on the box body conveying device. The application further discloses a material boxing method, which comprises the following steps: material conveying, bottle adding, bottle pressing, instruction adding and cover adding. The material boxing system and method have the advantages of reasonable overall layout, good boxing effect and high production efficiency.

The invention discloses a cover cleaning device, and relates to the field of packaging machinery. The whole cap cleaning device is of a rotary structure, after a bottle cap enters the cap cleaning device, the bottle cap and the cap dust blowing mechanism can rotate along with equipment, the cap dust blowing mechanism extends into the bottle cap under the guidance of a cam during the period, and clean gas is pressed into the cap dust blowing mechanism through the static electricity generating device and blown into the bottle cap through the double-channel gas rotary distributor. And the negative pressure of the other channel is introduced into the annular dust collection cavity to absorb the waste gas and discharge the waste gas out of the clean area for collection. According to the bottle cap cleaning device, the interior of a bottle cap can be efficiently and comprehensively cleaned, on one hand, uncontrollable deviation of the bottle cap can be effectively avoided, and on the other hand, it can be effectively guaranteed that a whole channel circulation is formed from clean air to gas emission after dust removal; therefore, gas and dust leaving the bottle cap cannot return to the bottle cap and a clean area of the whole equipment. The cleaning device has the advantages of being good in cleaning effect, large in cleaning strength and capable of adapting to high-speed production takt on the whole.

The invention relates to a gap covering arrangement (1) for a variable gap between an adjustable steering column and an instrument panel of a vehicle, comprising a steering column trim (2) and a gap covering device (3). According to the invention, the gap covering device (3) has a holding device (4) and a flexible gap covering element (6), which is detachably fastened on one side to the holding device (4) with a frictional positive fit and on the other side can be connected to a fastening element, wherein the holding device (4) with a flexible gap covering element (6) attached thereto is in turn detachably fastened to the steering column trim (2) in a frictional positive fit.

The invention discloses a multipurpose cover opening and closing device for a shielding tank, and relates to the technical field of shielding tank opening, which comprises a rack, a lifting driving mechanism, a lifting frame, a positioning ring, a rotary driving mechanism and a claw head assembly, the lifting driving mechanism is arranged on the rack; the lifting frame is connected with the lifting driving mechanism and is driven by the lifting driving mechanism to do lifting motion; the positioning ring is fixedly connected to the bottom of the lifting frame and is used for radially positioning the shielding tank body; the rotary driving mechanism is mounted on the lifting frame; the claw head assembly comprises a transmission shaft, a switch cover claw head and an elastic pressure applying part; the transmission shaft is in transmission connection with the rotation driving mechanism. The cover opening and closing claw head is connected to the bottom end of the transmission shaft. The elastic pressure applying part is used for providing elastic force tending to move downwards for the switch cover claw head. According to the cover opening and closing device, through cooperation of lifting and rotating motion and stable contact guaranteed by the elastic pressing part, whole-process automation of cover opening and closing operation of the shielding tank is achieved, and operation safety, precision and efficiency are remarkably improved.

The utility model belongs to the technical field of filling equipment, and particularly relates to a lifting type cover separating device which comprises a cover separating mechanism and a lifting driving mechanism, the lifting driving mechanism is arranged on the side of the cover separating mechanism, a cross beam is connected between the output end of the lifting driving mechanism and a tray, and a longitudinal beam is connected between the output end of the lifting driving mechanism and a baffle ring; the lifting driving mechanism drives the tray, the cap separating disc on the tray and the check ring to achieve synchronous lifting through the cross beam and the longitudinal beam, so that the height of bottle caps on the cap separating disc is always matched with the height of a clamping jaw of the cap screwing mechanism, and the lifting driving mechanism and the cap separating mechanism are independent modules and are connected only through the cross beam and the longitudinal beam. Side single-point support is adopted between the cross beam and the tray as well as between the longitudinal beam and the baffle ring, so that the number of parts is reduced, the overall layout is more concise and easy to clean, and when the height of the cover separating disc is manually adjusted through a top hand wheel, the height change can be observed at any time, so that the cover separating disc is rapidly adjusted in place.

The utility model discloses a sealed reaction kettle capable of automatically opening and closing a cover. The sealed reaction kettle capable of automatically opening and closing the cover comprises a kettle cover, a kettle body and a cover opening and closing device, the kettle cover is arranged on the kettle body in an openable mode, the cover opening and closing device comprises a connecting rod structure and a driving mechanism, the connecting rod structure comprises a static connecting rod and a movable connecting rod, the movable connecting rod is rotationally connected with the static connecting rod, the static connecting rod is fixedly matched with the kettle body, and the movable connecting rod is connected with the kettle cover. The driving mechanism is in transmission connection with the movable connecting rod, the driving mechanism is used for driving the movable connecting rod to rotate, the kettle cover can rotate along with the movable connecting rod to realize cover opening and closing actions, the kettle cover and the movable connecting rod further have rotating freedom degrees, and the movable connecting rod and the kettle cover can relatively rotate within a limited angle range. The movable connecting rod is connected with the kettle cover through the rotating shaft, so that the kettle cover has a rotating freedom degree, the kettle cover and the kettle body can be automatically adjusted to be parallel to the flange surface of the kettle body in the process from beginning to contact to complete closing, and a gap between the kettle cover and the kettle body is as small as possible after the kettle cover is closed.

The utility model provides a width-adjustable and movable anti-soil-falling triangular cap device for a foundation pit supporting beam. The width-adjustable and movable anti-soil-falling triangular cap device comprises a panel, a supporting frame and a positioning structure. The supporting frame is fixedly connected with the inner wall of the panel, and sliding wheels are arranged on the lower surface of the supporting frame. The positioning structure comprises two positioning plates and a driving mechanism; the positioning plates are arranged on the supporting frame in a sliding mode, the two positioning plates are parallel to each other, and the two positioning plates can linearly move in the direction close to each other or away from each other under the action of the driving mechanism; rollers are arranged on the inner side walls of the two positioning plates respectively; the device is further provided with a traction structure and a hoisting hanging ring. According to the device, the placing and limiting functions of the device can be achieved so as to prevent the device from rolling over, the distance between the two sets of positioning plates can be adjusted so as to be suitable for cross beams with different widths, and the application range is widened. The device is simple in structure and can flexibly move to achieve the remote moving function, workers do not need to climb on the supporting beam to conduct manual adjustment, and the safety risk is reduced.