48results about How to "Achieve traction" patented technology

The invention relates to a grating manufacturing device which comprises a workbench, a fiber winding mechanism, a fiber stripping mechanism, a cleaning mechanism, an inscribing mechanism, a coating mechanism and a cutting traction mechanism are arranged on the workbench, the fiber winding mechanism is arranged at one end of the workbench, and the cutting traction mechanism is arranged at the other end of the workbench. The fiber stripping mechanism, the cleaning mechanism, the inscribing mechanism and the coating mechanism are sequentially arranged between the fiber winding mechanism and the cutting traction mechanism at intervals. According to the grating manufacturing device, the fiber stripping mechanism, the cleaning mechanism, the inscribing mechanism and the coating mechanism are sequentially arranged between the fiber winding mechanism and the cutting traction mechanism, so that under the traction effect of the cutting traction mechanism on the optical fiber, peeling, cleaning, grating inscribing and coating treatment are sequentially performed on the optical fiber; the whole grating manufacturing process is integrally completed, the grating manufacturing efficiency is greatly improved, meanwhile, the consistency of products is guaranteed, and the production cost is greatly reduced.

The utility model relates to the technical field of crystal production, in particular to a crystal pulling furnace. Comprising a lifting furnace body and an L-shaped mounting plate, the L-shaped mounting plate is fixedly arranged at the top end of the lifting furnace body, an observation window facilitating observation of the lifting state of a crystal is arranged outside the lifting furnace body, a containing cavity is formed in the lifting furnace body, and a containing disc facilitating crystal machining is movably arranged in the containing cavity. A placing disc is arranged on the lifting furnace body, a heating coil for heating raw materials is fixedly arranged on the placing disc, a crucible for containing the raw materials is arranged in the heating coil, a crystal traction mechanism for lifting crystals is arranged at the top end of the lifting furnace body, and a heat preservation assembly for reducing heat loss in the crucible heating process is arranged outside the heating coil. According to the crystal pulling furnace provided by the utility model, due to the design of the crystal traction mechanism, the corrugated pipe is prevented from being compressed, meanwhile, the seed crystal rod can rotationally pull the crystal in the crucible, and the forming quality of the crystal is improved.

The invention provides a switch cabinet lifting device, and belongs to the technical field of switch cabinet production. Comprising a horizontally-arranged cross beam, sliding blocks arranged in the two ends of the cross beam and connected in a sliding mode, supporting and hanging pieces hung on the sliding blocks and rotationally connected with the sliding blocks, steel wire ropes used for pulling the sliding blocks to slide in a one-to-one mode and hanging rings fixedly connected with the ends of all the steel wire ropes. The supporting and hanging piece comprises a vertical hanging rod, a vertical angle plate and a horizontal supporting plate; the lower part of the lifting rod is fixedly connected with the upper part of the angle plate; the angle plate is composed of two metal strips which are perpendicular to each other and fixedly connected. The two adjacent side edges of the supporting plate are fixedly connected with the bottom edges of the two metal strips respectively. The lifting preparation operation can be completed on the ground more conveniently; during hoisting, the supporting plate is used for supporting the switch cabinet from the bottom, and deformation caused by too large stress on the top of the switch cabinet can be avoided; and meanwhile, the corner plates can clamp the edges of the switch cabinet, so that the switch cabinet can be prevented from slipping, and safety is ensured.

The invention discloses an aluminum profile integrated extrusion die for a new energy automobile battery, and relates to the technical field of extrusion dies, the aluminum profile integrated extrusion die comprises a supporting base, and one side of the supporting base is fixedly connected with a fixing piece. One side of the cooling pipe is in front of and behind the inner wall of the cooling shell, the tail end of the cooling pipe penetrates through the side wall of the cooling shell, flowing of water flow in the cooling pipe is accelerated through an external water pump, the cooling pipe makes contact with a profile for heat exchange, cooling of the profile is achieved, air enters the cooling cavity through the cooling cavity, air flowing in the cooling cavity can be accelerated, and cooling efficiency is improved. An electric push rod is used for driving a connecting plate and an ejection block to move upwards and driving the sectional material to move upwards, so that the sectional material is separated from the cooling shell, the height difference between the sectional material and the cooling shell is increased, the cooled sectional material can be quickly taken out, the sectional material is dragged, and the tail end of the sectional material is separated from the mold assembly; and the tail end of the profile enters the cooling assembly to be rapidly cooled.

The utility model discloses an operation traction frame for spine correction, and belongs to the technical field of spine correction instruments. Comprising a head fixing part and a pelvic end fixing part, the head fixing part and the pelvic end fixing part are connected through a connecting rod assembly, the connecting rod assembly comprises a supporting rod and an automatic adjusting push rod, the end of the supporting rod is connected with the automatic adjusting push rod through an adjusting part, the supporting rod is connected with the pelvic end fixing part, and the automatic adjusting push rod is connected with the head fixing part. The supporting rod and the automatic adjusting push rod form a spine correction space. The spine traction device is simple in structure and convenient to operate, traction of the spine of a patient is achieved through cooperation of the head fixing piece, the pelvis end fixing piece and the connecting rod assembly, pressure of the spine can be relieved through the traction frame, and self-repairing of the spine is promoted; and through the arrangement of the automatic adjusting push rod, the height of the connecting rod assembly can be automatically adjusted through intelligent control, so that the supporting length is rapidly adjusted, the operation efficiency can be improved, and the operation time is saved.

The invention relates to a desilting system which comprises a first ship body, a second ship body and a third ship body. The hoisting equipment is arranged on the first ship body; the water-permeable mud scraping device comprises a shell with a first opening in the rear end and a plurality of water-permeable holes; the bag body is opened and fixed to the inner wall of the shell in an attached mode and is provided with a second opening, and the second opening faces the first opening; the first end of the first cable is connected with the output end of the hoisting equipment, and the second end is connected with the front end of the shell. According to the dredging system, the first ship body, the hoisting equipment and the permeable mud scraping device are integrated, meanwhile, the functions of ship body movement, throwing and traction of the permeable mud scraping device and sludge unloading are achieved, the structural design is ingenious, and the equipment cost and energy consumption are reduced. Meanwhile, the permeable mud scraping device has the advantages of being low in disturbance and water content when used for scraping and collecting the mud, the hoisting equipment can rotate to adjust the direction of the permeable mud scraping device, and the desilting coverage range is wide.

The convertible nasal mask comprises a main mask body, a first air supply cavity covering the nose of the human body is formed in the main mask body, the lower side of the main mask body is open to form an installation area, an elastic sealing film is installed at the installation area and used for sealing the installation area, and an elastic strip is arranged on the edge of the sealing film; the auxiliary mask body is arranged corresponding to the lower end of the main mask body and movably connected with the main mask body, a second air supply cavity used for covering the mouth of the human body is formed in the auxiliary mask body, a connecting rod is arranged in the auxiliary mask body, and the auxiliary mask body is fixedly connected with a traction face through the connecting rod. The traction face and the elastic strip are provided with a first magnetic part and a first adsorption part respectively, the first magnetic part is used for being magnetically connected with the first adsorption part so that the elastic strip can be separated from the human body to form an air supply gap, and mutual conversion of the nose mask and the face mask is achieved through the traction effect of the elastic strip.

The utility model relates to the technical field of construction equipment, and discloses an electric wire traction fixing frame for a construction site, which solves the problems that an electric wire is not compact and is easy to wind during winding and traction, and comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a side plate, and the side plate is fixedly connected with the bottom plate. A wire storage part used for storing wires is arranged above the bottom plate and comprises a wire storage cylinder, one side of the wire storage cylinder is fixedly connected with a mounting disc, one side of the mounting disc is provided with a contraction groove, the inner wall of the contraction groove is fixedly connected with a spring A, the contraction groove is internally provided with a rotating groove, the inner wall of the wire storage cylinder is provided with a movable groove, and the inner wall of the movable groove is fixedly connected with a telescopic plate. The inner wall of the movable groove is further fixedly connected with a spring B, one end of the spring A is fixedly connected with a limiting rod, the outer side of the limiting rod is further fixedly connected with a telescopic plate and one end of the spring B, and the purpose of tightly and orderly pulling and winding the electric wire is achieved.

The utility model discloses a carrier tape edge cutting device, relates to the technical field of carrier tape edge cutting, and aims to solve the technical problems that an existing carrier tape edge cutting device is complex in structure, high in cost and not beneficial to popularization and use. A driving traction cutting structure symmetrical to a driven traction cutting structure is arranged in the concave frame in a front-back rotating mode, driving structures are arranged on the two sides of the concave frame, the driven traction cutting structure comprises a driven traction roller, and matched cutting grooves are formed in the two sides of the surface of the driven traction roller. The driving traction cutting structure comprises a driving traction roller, cutter heads symmetrical to the matched cutting grooves are arranged on the two sides of the surface of the driving traction roller, a plurality of sets of notches are formed in the position, between the two sets of matched cutting grooves, of the surface of the driven traction roller at equal intervals, and the distance between the notches is matched with the distance between carrier tape holes. The utility model has the advantages of simple structure and low production cost.

The utility model relates to an elevator system, in particular to an inclined elevator which comprises a lift car, a guide system, a traction system and a speed limiting system. The guiding system comprises an obliquely-arranged supporting truss and an oblique guide rail, a sliding seat of the lift car is connected to the oblique guide rail in a sliding mode, and the car body is supported on the sliding seat. And the traction system drives the sliding seat to controllably slide. The speed limiting system comprises a safety shaft, a speed limiting rope, a speed limiter, a guide wheel set and a fixed wheel. The guide wheel set is arranged close to the higher end of the supporting truss, the fixed wheel is arranged at the lower end of the supporting truss, and the speed limiter is arranged below the guide wheel set and contained in the vertically-arranged safety shaft. And the speed limiting rope bypasses the speed limiting pulley, the guide wheel group and the fixed wheel, and two ends of the speed limiting rope are connected to the sliding seat to form a closed loop of which the vertical part is parallel to the inclined guide rail. The safety shaft is arranged, and the speed limiting pulley in the safety shaft is supported on the speed limiting rope, so that the speed limiting rope has a large extending space, and the tensioning state is kept.

The utility model belongs to the technical field of corrugated pipe coating, and particularly relates to PVC corrugated pipe surface coating equipment which comprises a corrugated pipe and a fixing frame. The coating unit is internally provided with two coating rollers which are oppositely distributed on the two sides of the fixing frame in a staggered mode, and the outer side of the coating unit is provided with arc-shaped protrusions for filling the wave troughs of the fixing frame; the rotating rods are located at the two ends of the coating roller, are perpendicular to the section of the coating roller and extend in the direction of the side wall of the fixing frame, and the rotating motion drives the coating roller to roll. According to the utility model, the coating mechanism does not need to move circumferentially, and the coating mechanism can form traction on the pipe body, so that continuous coating operation is achieved, support is formed, and deformation and sagging of the pipe body are prevented.

The application discloses a kind of processing equipment for helicopter rotor carbon fiber winding, including rack, the both ends of the rack are fixedly connected with driving motor, the output of two driving motor is fixedly connected with clamping block, and clamping groove is opened in the clamping block;The side of the inner wall of the rack is fixedly installed with feeding mechanism, the middle part of the inner wall of the rack is fixedly installed with guide limiting mechanism, the guide limiting mechanism includes mounting bracket, the middle part of the mounting bracket is equipped with positioning slot, and the inner wall of the positioning slot is provided with a plurality of limiters;The application is positioned by a plurality of limiting strips in winding by setting guide limiting mechanism, and carbon fiber is pushed, to avoid its displacement under the pulling action of feeding carousel, ensure that the winding of carbon fiber is uniform;In the process of winding, the speed of moving guide rail driving feeding carousel and the speed of feeding motor are controlled, to realize the control of carbon fiber winding speed.

The invention relates to the field of medical beds, and discloses a multifunctional spine traction bed which is characterized in that a supporting frame is arranged at the upper end of a bed body corresponding to the edge of the bed body, a balance plate protrudes out of the middle position of the supporting frame, supporting seesaws are arranged at the two ends of the middle position of the supporting frame, and a mattress is arranged at the upper ends of the supporting seesaws; a supporting frame is arranged on the side, corresponding to the supporting warping plate, of the lower end of the bed body, an ejector rod is arranged at the upper end of the supporting frame, a spine jacking device is arranged between the ejector rod and the supporting frame, a supporting plate is arranged at the end, corresponding to the feet, of the bed body, and two foot pedals are arranged in the supporting plate. A protection box is arranged on the side, corresponding to the supporting plate, of the lower end of the bed body, the lower end of the footstep pedal extends into the protection box, a self-adjusting device is arranged at the end, located in the protection box, of the footstep pedal, the devices can be connected through the hands, and the devices can be started through the feet; therefore, the patient can move on the sickbed, and body function loss is avoided.

This utility model relates to the field of light column docking technology and discloses a device for docking light columns, including a worktable with a fixing mechanism. By controlling the light guide to embed between the bottom roller and the top roller, and further controlling the fixing bolt to clamp the light guide between the bottom roller and the top roller, and further controlling the fixing bolt to move the slide on the slide frame, the clamping and traction of two light guides can be realized, facilitating the docking of two light guides. Benefiting from the shape of the limiting plate, the device can clamp light guides with different inner diameters. When the light guide is clamped between the bottom roller and the top roller, the pressure bolt is controlled to make the rubber pad tightly adhere to the gear, thereby clamping the gear on one side of the top roller onto the rubber pad, thus fixing the light guide. After the pressure bolt is controlled to disengage the rubber pad from the gear, the top roller is rotated by controlling the adjusting shaft, thereby rolling one end of the light guide forward and backward, thus achieving fine adjustment of the extension length of the light guide.

The utility model relates to the technical field of vehicle production equipment, in particular to an automatic guide transport vehicle, and aims to solve the problems that an existing automatic guide transport vehicle is single in function and cannot execute various transport tasks, so that the equipment utilization rate is low. In order to achieve the purpose, the automatic guide transport vehicle comprises a chassis, the walking module is mounted at the bottom of the chassis and can drive the chassis to move; the jacking module comprises a lifting device and a tray, the lifting device is installed at the top of the chassis, and the tray is installed at the top of the lifting device so as to jack the material vehicle; and the traction module is installed at the top of the chassis and comprises a connecting component, and the connecting component can be connected with the material vehicle in a hooked mode so as to achieve traction of the automatic guide transport vehicle to the material vehicle. Through the arrangement, the automatic guide transport vehicle can be used for pulling the material vehicle and jacking the material vehicle, so that multiple purposes of one vehicle are realized, and the utilization rate of equipment is improved.

The utility model relates to the technical field of agricultural irrigation equipment, and discloses a light and simplified planting spraying system which comprises a water conveying pipeline, a branch hose communicated with the water conveying pipeline, a hard pipeline fixedly communicated with the branch hose, an atomization nozzle installed at the end of the hard pipeline, a first fixing ring fixed to a trunk of a fruit tree, and a second fixing ring fixed to the trunk of the fruit tree. A plurality of movable rods are hinged to the outer portion of the first fixing circular ring, the hard pipeline is fixed to the movable rods, a movable circular ring is arranged above the first fixing circular ring, connecting rods are arranged between the movable circular ring and the movable rods, the two ends of each connecting rod are hinged to the movable circular ring and the corresponding movable rod respectively, and a second fixing circular ring is arranged above the movable circular ring and fixed to a tree trunk. A spring is arranged between the second fixed circular ring and the movable rod, the movable circular ring is connected with a downwards-arranged traction rope, and one end of the traction rope is wound on a rotating disc of the motor. The spraying position of the atomizing nozzle can be changed, a good spraying effect is achieved, and the working efficiency is improved.

The utility model discloses a paperboard film-covering cut-off machine, which relates to the technical field of film-covering cut-off machines and comprises a bottom plate, a mounting plate is mounted on one side of the top end of the bottom plate, a roll-type film is detachably connected to the inner side of the mounting plate, and a vertical plate is fixedly arranged on one side of the top end of the bottom plate positioned on the mounting plate. A cutting-off structure is installed on the end face of the inner side of the vertical plate and comprises a bearing plate fixed to the bottom of the inner side of the vertical plate, a pressing plate is installed on the portion, located on the inner side of the vertical plate, above the bearing plate, and a driving structure used for driving the pressing plate to move is arranged on the portion, located in the vertical plate, of the outer wall of the pressing plate. And the end part of the pressing plate is provided with a cut-off knife for cutting off the thin film. Through the arrangement of the cutter and the electric guide rail, full-automatic cutting operation of the film can be achieved, and therefore the overall production efficiency of paperboard film cutting is improved.

The utility model discloses a winch which comprises a frame, a traction device, a cable storage device and a cable arrangement device are installed on the frame, the traction device and the cable storage device are arranged on the frame in a right-angle mode, the cable arrangement device is installed on the frame in a sliding mode, and when the winch is used, one end of a cable sequentially passes through the traction device and the cable arrangement device to be connected with the cable storage device. The cable arrangement device can slide back and forth on the frame and is used for guiding cables to be evenly arranged on the cable storage device, and the traction device, the cable storage device and the cable arrangement device are electrically connected with the console. The traction device and the cable storage device are installed on the same winch at the same time, the space is reasonably arranged through right-angle arrangement, the occupied space of the winch is reduced, and the cable arrangement device is arranged to ensure that cables are arranged on the cable storage device in order.

The utility model discloses a low-temperature drying type laser paper printing mechanism which comprises a printing machine, a conveying structure, a low-temperature drying structure and a traction structure. When laser paper passes through the low-temperature drying structure, the laser paper is located between the pressing block and the supporting plate, when the laser paper needs to be pulled, one end of the laser paper is placed between the pressing block and the supporting plate, the driver is started to enable the worm to rotate, then the turbine is driven to rotate, and therefore the rotating rod is driven to rotate; the laser paper traction device has the advantages that laser paper on a supporting plate is fixed through a pressing block, then a driving rod drives a rotating belt to rotate, so that a moving block is driven to move rightwards, then the laser paper is pulled to penetrate through a low-temperature drying structure, the laser paper is pulled, manual traction is not needed, and the laser paper is pulled more easily and conveniently.

The utility model relates to the technical field of health care patch processing, in particular to a slicing mechanism for health care patches, which comprises a table body, the table body comprises a slicing table, the upper surface of the slicing table is fixedly connected with a support plate, the top end of the support plate is fixedly provided with a first telescopic cylinder, and the output end of the first telescopic cylinder is fixedly connected with a cutter. According to the slicing device, the first moving block can be driven to move through rotation of the positive and negative screw rods, then the movable rod can move, the pressing plate can be driven to move vertically, and a health care patch can be pressed downwards through the pressing plate, so that the health care patch can be fixed, the health care patch is not prone to displacement in the slicing process, and the slicing efficiency is improved. The slicing stability and accuracy can be guaranteed, the slicing quality and effect can be improved, meanwhile, the health-care patch can be pressed tightly through the pressing plate, the flatness of the health-care patch can be guaranteed, the health-care patch is not prone to wrinkles during slicing, and therefore the slicing effect is better.

The utility model relates to the technical field of metal processing, in particular to a rolling mill for metal processing. The utility model relates to a rolling mill which mainly aims at solving the problems that when an existing rolling mill is used for machining metal, due to the fact that the position of a winding roller is prone to being obstructed by other parts, materials are difficult to replace after being wound, the uniformity of the thickness of the metal blanks is not easy to control, the metal blanks are uneven in the machining process, and the quality is affected. According to the technical scheme, the device comprises a workbench and a controller, a first extrusion assembly is installed at the top of the workbench, a second extrusion assembly is arranged above the first extrusion assembly, and the second extrusion assembly and the first extrusion assembly are the same in structure. According to the metal blank machining device, machining of metal blanks is achieved, the purpose of controlling the machining thickness of the metal blanks is achieved, the flatness of the metal blanks is kept, meanwhile, the problem that a winding roller is not convenient to replace is solved, and follow-up work is prevented from being hindered.

The utility model discloses a low-voltage doubling winder servo controller which comprises a controller body, a CAN communication interface is arranged on one side of the upper surface of the controller body, a Hall counting interface is arranged on one side of the CAN communication interface, and a motor direction switcher is installed on one side of the Hall counting interface. A simple operation panel interface is arranged on one side of the motor direction switcher, an angle sensor interface and a tension sensor interface are installed on one side of the simple operation panel interface, a three-phase 48VAC power input is installed at the corner of the upper end of the controller body, and a yarn guide motor encoder signal interface is arranged on one side of the three-phase 48VAC power input. When the device is applied, the working voltage of a system is safe (three-phase 48VAC is input), hardware is simplified, and the cost is low; the operation reliability is improved, the failure rate is reduced, and the performance-price ratio is very high.

The present invention discloses a trailer towing hook device with integrated winch function, including an electric winch installed at the rear of a car, the electric winch is equipped with a tie rope, a winch horn hook, a winch D-type shackle and a trailer towing ring, a tail crossbeam is fixedly arranged on the outer side of the electric winch, an electric winch guide is fixedly arranged on the middle part of the inner side of the tail crossbeam, a towing hook base is fixedly arranged on the middle part of the outer side of the tail crossbeam, a detachable first direction guide pin and a second direction guide pin are arranged on the towing hook base, and the towing hook base is a double-layer structure, each layer is provided with a first direction guide pin hole position, a second direction guide pin hole position, and a main towing pin hole position. The present invention also discloses a corresponding trailer towing and self-rescue method. The present invention utilizes the function of the winch to realize the automatic hanging of the trailer on the front vehicle, reduces the difficulty of manual operation, solves the problem of the arrangement of the rear electric winch, and realizes the automatic hanging of the trailer; the function of the electric winch can be maximized to realize towing and self-rescue.

The present invention relates to a grating production device, including a workbench, on which a fiber winding mechanism, a fiber stripping mechanism, a cleaning mechanism, a writing mechanism, a coating mechanism and a cutting and traction mechanism are arranged. The fiber winding mechanism is arranged at one end of the workbench, and the cutting and traction mechanism is arranged at the other end of the workbench. The fiber stripping mechanism, the cleaning mechanism, the writing mechanism and the coating mechanism are arranged in sequence between the fiber winding mechanism and the cutting and traction mechanism. The grating production device of the present invention sequentially arranges the fiber stripping mechanism, the cleaning mechanism, the writing mechanism and the coating mechanism between the fiber winding mechanism and the cutting and traction mechanism, so that under the traction effect of the cutting and traction mechanism on the optical fiber, the optical fiber is sequentially peeled, cleaned, grating-written and coated. The entire grating production process is completed in an integrated manner, which greatly improves the production efficiency of the grating, and also ensures the consistency of the product, greatly reducing the production cost.

The cable dart comprises a cone body, and a cone tip and a cover plate are installed at the front end and the rear end of the cone body respectively. The cone tip is detachably installed on the cone body and is made of a hard material, a mooring hole used for being connected with a rope is formed in the cover plate, and an eccentric load assembly is arranged in the cone body; the eccentric load assembly comprises an internal motor and a power source used for supplying power, and an eccentric block is installed on an output shaft of the internal motor. The invention further discloses a cable dart launching / recycling system which comprises a mounting plate, and a cable dart launching assembly and a rope winding assembly are mounted on the mounting plate. The invention further discloses a robot and a cable dart launching / recovering method. According to the robot, the cable dart and the launching / recycling system and method of the cable dart, on the basis of the launching and recycling technology of the cable dart, the obstacle crossing capacity, the obstacle breaking capacity or the stable mooring capacity of the robot can be enhanced.

The present invention belongs to the technical field of maglev train suspension frame, and specifically relates to a traction system for a maglev suspension frame, including a maglev suspension frame, a vertical Z-shaped traction device, a center pin traction device and a diagonal brace traction device; the maglev suspension frame includes two suspension frame cross beams arranged in parallel, the ends of the two suspension frame cross beams are connected with suspension frame longitudinal beams, and at least two suspension frame longitudinal beam groups are connected in the middle of the two suspension frame cross beams, each suspension frame longitudinal beam group includes at least two suspension frame longitudinal beams arranged in parallel, and the two ends of each suspension frame longitudinal beam are respectively arranged on the two suspension frame cross beams; the vertical Z-shaped traction device is at least installed in one of the suspension frame longitudinal beam groups, the center pin traction device is at least installed in another of the suspension frame longitudinal beam groups, and the diagonal brace traction device is arranged at the end of the suspension frame cross beam. The present invention can meet the demand of the maglev suspension frame for the traction device, can better meet the curve passability, and can improve the lateral stop effect.

The utility model discloses a purifying plastic bag sealing and trimming device, which relates to the technical field of sealing devices and comprises a base, a fixing frame is fixedly arranged in the middle of the upper surface of the base, sliding grooves are formed in the two ends of the outer side wall of the fixing frame in a penetrating manner, and sliding blocks are arranged in the sliding grooves in a penetrating manner. A spring is arranged between the top end of the sliding block and the inner wall of the sliding groove, and a sealing pressing roller is movably arranged on the inner side of the sliding block through a bearing. The two sealing compression rollers are arranged above the base, the two sealing compression rollers can be tightly attached to the purification plastic bag under the action of the springs and rotate along with movement of the purification plastic bag, the grooves are formed in the outer sides of the sealing compression rollers, the electric heating plates are arranged in the grooves, and each sealing compression roller rotates by one circle, so that the sealing compression rollers can seal the purification plastic bag. And the electric heating plate can heat and seal the purification plastic bag once, so that the purification plastic bag can be automatically sealed, and the sealing processing efficiency of the purification plastic bag is improved.

An orthodontic self-ligating bracket with a detachable towing hook comprises a bracket body and the towing hook used for towing the bracket body, and an arch wire groove used for installing an arch wire is formed in the bracket body; a plurality of mounting holes for inserting traction hooks are formed in the bracket main body, the bracket main body comprises a bracket body and a net bottom integrally formed with the bracket body, and the mounting holes are formed in the joint of the bracket body and the net bottom; compared with the prior art, the towing hook is arranged, the mounting hole for inserting the towing hook is formed in the bracket body, the towing hook is mounted in the bracket body through the mounting hole, and then the end part of the towing hook is bent, so that the towing hook is arranged around the bracket body, and the towing hook can be pulled by pulling the other end of the towing hook, so that the towing hook can be conveniently pulled out. The traction effect on the traction hook part arranged around the bracket body is realized, so that the traction on the bracket body is realized.

The invention belongs to the technical field of geological disaster control, discloses a conveying structure for geological disaster control, and aims to solve the problem that materials are difficult to convey when geological disasters occur. The device comprises a stand column, a base is arranged below the stand column, a supporting fixing piece is further arranged on the stand column above the base, a driving motor is fixedly installed at the upper end of the stand column, a rotating shaft is further installed on the stand column, the driving motor drives the rotating shaft to rotate, and the rotating shaft is sleeved with a conveying wheel; the periphery of each conveying wheel is sleeved with a slip rope, the other side of each slip rope is arranged on the conveying wheel of the other conveying structure in a sleeving mode, and a material box is installed on each slip rope. The temporary material conveying structure is jointly formed by the two conveying structures which are of the same structure and used for geological disaster control, rescue substances can be conveyed after geological disasters occur, and the temporary material conveying structure has the advantages of being simple in structure and convenient to operate and is particularly suitable for geological disaster control in mountainous areas.

The present invention provides a switch cabinet lifting device, which belongs to the technical field of switch cabinet production. It includes a horizontally arranged crossbeam, a slider arranged at both ends of the crossbeam and slidably connected, a support member suspended on each slider and rotatably connected, a steel wire rope used for one-to-one pulling of the slider to slide, and a lifting ring fixedly connected to the ends of all steel wire ropes; the support member includes a vertical suspension rod, a vertical angle plate and a horizontal support plate; the upper part of the suspension rod passes through the slider and is rotatably connected to the slider, and the lower part is fixedly connected to the upper part of the angle plate; the angle plate is composed of two metal strips fixedly connected to each other vertically; the two adjacent side edges of the support plate are respectively fixedly connected to the bottom edges of the two metal strips. The present invention can complete the preparation operation of lifting on the ground, which is more convenient; the present invention uses the support plate to lift the switch cabinet from the bottom during lifting, which can prevent the top of the switch cabinet from being deformed due to excessive force; at the same time, the angle plate can clamp the edge of the switch cabinet, which can prevent the switch cabinet from slipping and ensure safety.