31results about How to "Improve tightening effect" patented technology

The invention relates to the technical field of screw machine regulation and control, and discloses a screw machine regulation and control system and method based on machine vision, and the method comprises the steps: obtaining working area image information of a to-be-turned screw and a workpiece, inputting the working area image information into an image processing module to extract screw features, and matching the screw features with a preset screw feature set; therefore, the specification and geometric characteristics of the to-be-turned screw are determined. Based on the feature information, position features of the screw are determined, three-dimensional coordinate conversion is carried out, and the relative position relation between the to-be-turned screw and the workpiece is obtained. And determining an initial alignment path of the screw by using the relative position relationship, and setting tightening parameters of the screw machine according to the workpiece surface state and the screw specification. Subsequently, the tightening parameters are adjusted in real time according to the material hardness, the thread friction coefficient and the real-time temperature of the screw, the tightening parameters are dynamically adjusted by obtaining and analyzing the screw characteristics, the position relation and the environmental factors in real time, the precision and stability of the screw tightening process are improved, and the screw assembling quality is effectively guaranteed.

The invention relates to the technical field of automatic assembly, in particular to an automatic gluing, infinite lengthening and assembly device and method for bamboo wood. The device comprises a first supporting frame, a pushing mechanism is arranged at one end of the first supporting frame, a baffle is fixedly connected to one end of a partition plate, and a pressing mechanism is arranged in the middle of the first supporting frame; the first supporting frame and the fourth supporting frame are arranged on the base and used for pressing materials downwards, a power gluing mechanism is arranged at one end of the first supporting frame and used for providing power for material movement and conducting gluing work on the materials, and a clamping and bundling mechanism is arranged at the top end of the fourth supporting frame and used for clamping and bundling the materials. The device performs blank assembling and lengthening work on bamboo boards in a full-automatic mode, is not only suitable for bamboo canes, but also suitable for bamboo wood recombination units such as bamboo flattened plates with narrow breadth, effectively reduces the labor cost of factories, can realize preparation of bamboo laminated wood with various lengths according to needs, and can recover redundant glue liquid in continuous equipment, so that the production efficiency is improved, and the production cost is reduced. The glue solution utilization rate is improved.

The utility model relates to the technical field of watch processing, and discloses a bottom cover screwing machine for assembling a watch threaded bottom cover, which can accurately control the screwing force and improve the screwing effect, and comprises a rack, a screwing assembly, a torsion sensor and a display device, the rack is movably placed on a workbench, the bottom surface of the rack is provided with a non-circular groove / hole, and the display device is arranged in the non-circular groove / hole. The rack comprises a mounting table, a vertical frame fixedly connected with the mounting table, and a cantilever fixed to the top end of the vertical frame and provided with a through hole. The screwing assembly comprises a connecting rod penetrating through the through hole, a handle fixed to the top of the connecting rod, a clamping head fixed to the bottom of the connecting rod, and two clamping jaws installed at the bottom of the clamping head and adjustable in position on the clamping head. The torsion sensor penetrates through the upper surface and the lower surface of the workbench and is fixedly connected with the workbench, the detection end of the torsion sensor extends out of the upper surface of the workbench and is inserted into the non-circular groove / hole, and the outer contour shape of the detection end of the torsion sensor is matched with the inner contour shape of the non-circular groove / hole; the display device is electrically connected with the torsion sensor.

The invention discloses an automatic clamping type numerical control lathe, and relates to the technical field of numerical control machine tools, the automatic clamping type numerical control lathe comprises a machine tool base, a dust collector and a milling cutter, a transposition mechanism is arranged right above the machine tool base, and the transposition mechanism drives a workpiece to be machined to perform transverse and longitudinal displacement so as to adjust the machining position; the surface of the steel plate is machined through a milling cutter arranged on one side; a milling cutter is arranged on one side of the transposition mechanism, and a driving motor is arranged right above the milling cutter; a machining mechanism is arranged on one side of the driving motor, and the machining mechanism conducts vertical lifting on corresponding equipment according to the machining requirement. When different types of to-be-machined workpieces need to be machined, the to-be-machined workpieces are subjected to inclination adjustment through cooperation between the rotary clamping mechanism and the inclination mechanism, and meanwhile, the angle of the tray can be dynamically adjusted through cooperation between the rotary clamping mechanism and the inclination mechanism.

The invention discloses a railway digital signal cable, and relates to the technical field of cables, the railway digital signal cable comprises a cable body, and the outer surface of the cable body is provided with a protection assembly. When the protective assembly is used, the protective assembly is dragged to a position where the protective assembly needs to be installed, and then one end of the tightening belt is lifted upwards, so that the clamping column is separated from the elastic hole. When the cable is tightened, the tightening sleeve is pinched to wrap the outer surface of the cable body, then the tightening belt is tightened in the direction of the loop side of the hook-and-loop fastener to be tightly wound on the outer surface of the tightening sleeve, and the tightening belt is pressed to enable the clamping column to penetrate through the elastic hole to fix the tightened tightening belt. When the cable body is installed, the fixing clamp is sleeved on the protective sleeve, so that the protective sleeve is not in direct contact with the cable body, the cable body is protected, the cable body is prevented from being abraded by the clamp, the service life of the cable body is prolonged, and the stability of signal transmission is improved.

The utility model discloses a transmission belt for mining production, which belongs to the technical field of transmission belts and comprises a fixing frame, transmission shafts are arranged at two ends of the fixing frame, the two transmission shafts are in transmission connection through the transmission belt, and a driving device is fixedly mounted at one end of the fixing frame and fixedly connected with one transmission shaft. A driving device is fixedly installed on the fixing frame, a cleaning mechanism is fixedly installed on the portion, located on one side of the driving device, of the fixing frame, a U-shaped clamping block and a control panel are fixedly installed on the outer side of the fixing frame, and a tensioning mechanism is fixedly installed on the portion, located on one side of the control panel, of the fixing frame. According to the cleaning mechanism, dust left on the transmission belt can be conveniently cleaned, inconvenience of manual cleaning of an existing transmission belt is avoided, the cleaning efficiency is improved, in addition, under the action of a U-shaped clamping block, the connecting plate can be limited and stored, and the cleaning mechanism is stored to the position where goods conveying of the transmission belt is not affected.

The utility model discloses rapid wiring equipment for electric power engineering construction, which comprises a base and a front plate, one side of the top end of the base is fixedly connected with a side plate, one side of the side plate is rotatably connected with a turntable, one side of the turntable is fixedly connected with a supporting structure, and the middle position of one end of the front plate is fixedly connected with a guide pipe. The bottom of one end of the front plate is fixedly connected with a supporting plate, and a tensioning structure is arranged in the supporting plate. The supporting structure is arranged, the two-way threaded rod is rotationally connected to one side of the rotating disc, the rotating head is rotated to enable the two-way threaded rod to rotate together, at the moment, the two sets of pushing discs in threaded connection with the two-way threaded rod move reversely with the directional disc as the center, and the supporting blocks are gradually unfolded outwards under hinged pushing of the hinge rods; and the inner wall of the wire reel with a larger inner diameter can be supported, so that the wiring equipment can be adapted to the wire reels with more specifications, and the practicability of the equipment is improved.

The screwing equipment for the packaging bottle cap screwing robot comprises a storage barrel, a mounting plate is arranged at the top of an inner cavity of the storage barrel, the outer side wall of the mounting plate is connected with a servo motor through a bolt, a main rotor is arranged at the power output end of the servo motor, a supporting frame is arranged at the bottom of the storage barrel, and the supporting frame is connected with the mounting plate through a bolt. A rotating disc is arranged at the top of the supporting frame, the top of the rotating disc is connected with the outer side wall of the storage barrel, a connecting plate is arranged in an inner cavity of the supporting frame, an auxiliary rotor is arranged at the top of the connecting plate, and the main rotor is matched with the auxiliary rotor. The energy consumption is reduced, the service life of equipment is prolonged, the stability of the bottle cap in the screwing process is ensured, the bottle cap is prevented from sliding off, the clamp is convenient to replace and maintain, and the production cost is reduced; the applicability of the equipment is improved, and the requirements for the sizes and shapes of different bottle caps are met.

This application provides a fully automatic tightening mechanism for the inner tie rod of an automotive steering gear, including a bottom linear module. A middle rotating feeding module is located on the upper side of the bottom linear module, and an upper clamping and tightening module is also located on the upper side of the bottom linear module. The bottom linear module includes a first base plate, a first slide rail slider, a servo motor, a fixed side of the lead screw support seat, a supporting side of the lead screw support seat, a ball screw, and a moving plate. Two slide rails are formed on the upper surface of the first base plate. This application utilizes the clamping and tightening module, employing a cylinder propulsion structure primarily responsible for propulsion during the tightening process. The clamping mechanism effectively clamps the inner tie rod, and the servo tightening mechanism, driven by a servo tightening machine, achieves tightening of the inner tie rod. This mechanism offers higher automation, better tightening effect, higher efficiency, and greater savings in labor costs.

The utility model relates to the technical field of vegetable basin faucets, and provides an anti-shaking vegetable basin faucet capable of enhancing the installation stability of the vegetable basin faucet between a bedplate, which comprises a faucet body, a water outlet pipe rotationally arranged on the faucet body, and a threaded pipe fixedly arranged at the lower end of the faucet body, the device is characterized in that an upper gland and a lower gland are detachably arranged on the threaded pipe, inner threaded channels are formed in the middle of the upper gland and the middle of the lower gland respectively, arc-shaped mounting pieces are longitudinally and fixedly arranged on the lower surface of the upper gland, and a deformation opening which does not affect outward expansion and deformation of the lower ends of the arc-shaped mounting pieces is formed between the arc-shaped mounting pieces. The height of the arc-shaped installation piece is not larger than the thickness of an external installation panel, a rubber piece is arranged between the inner wall of the arc-shaped installation piece and the threaded pipe, an upper end shell of the rubber piece is detachably and fixedly arranged at the upper end of the arc-shaped installation piece, and the transverse length of the rubber piece is smaller than the arc length of the arc-shaped installation piece.

The utility model discloses a single crystal furnace tungsten wire rope with a protective structure, and particularly relates to the technical field of single crystal furnaces, the single crystal furnace tungsten wire rope comprises a tungsten wire rope, a tightening device is arranged on the surface of the tungsten wire rope, and an anti-extrusion splicing pipe is arranged on the surface of the tightening device. According to the tungsten filament rope protection structure for the single crystal furnace, the tightening device is arranged on the surface of the tungsten filament rope, the situation that the tungsten filament ropes are split in the using process of the tungsten filament ropes is avoided, and the extrusion-preventing splicing pipe is arranged on the surface of the tightening device, so that the strength can be blocked when the tungsten filament ropes are strongly impacted or treaded, and the tungsten filament ropes are prevented from being damaged. And strand loosening caused by external force of the tungsten filament rope is avoided, and the service life of the tungsten filament rope is prolonged.

The utility model relates to an anti-deformation vertical lathe clamp for thin ring type parts, which solves the technical problems that when the existing thin ring type parts are machined, the thin ring type parts are fixed by a traditional pull rod expansion sleeve type lathe clamp, so that the thin ring type parts are deformed, the thickness and the planeness of the thin ring type parts are easy to be out of tolerance, and the percent of pass is low. The device comprises a transition plate and a flange plate which are sleeved on a mandrel, the transition disc is fixedly connected to the flange plate, and the supporting plate is fixedly connected to the transition disc. An outer conical surface convex ring is arranged at the top of the mandrel, a convex column is arranged on the upper surface of the transition disc, and the expansion sleeve sleeves the convex ring and the convex column; the top end of the expansion sleeve is provided with an inner conical surface matched with the convex ring, the middle is of a flexible structure, and the bottom end is fixed to the transition disc 2 and located between the convex column and the supporting plate. The clamping device is used for clamping thin ring type parts with large inner diameters, large outer diameters and small thicknesses, and meanwhile deformation of the thin ring type parts is avoided.

The invention relates to an orthodontic bone nail tightening device, and belongs to the technical field of orthodontics, the orthodontic bone nail tightening device comprises a connecting plate, a handle is fixed on the left side of the connecting plate, an electric push rod is fixed at the bottom of the handle, a bottom plate is fixed at the bottom of the electric push rod, a bolt is in threaded connection with the inner side of the bottom plate, and a pressing plate is slidably connected with the outer side of the bolt; the right side of the connecting plate is rotationally connected with a box body, a swing assembly is arranged on the top of the box body, a driving assembly is arranged on the swing assembly, an adjusting assembly is arranged on the inner side of the box body, and an acting assembly is arranged on the inner side of the box body. According to the orthodontic bone nail tightening device, locking of the whole device is achieved by tightening a bolt, height adjustment of the device is achieved through an electric push rod, front-back adjustment of a screw is achieved through operation of a driving assembly, left-right adjustment of the screw is achieved by rotating a rotating disc, and application of downward pressure to the screw is achieved by rotating a rotating rod; the drilling effect of the screw is improved, and the device is high in adjustability and convenient to use.

The invention discloses a hydraulic expansion sleeve stable in connection, and relates to the technical field of expansion sleeves, the hydraulic expansion sleeve comprises a left shaft sleeve, a right shaft sleeve, a rotating shaft and a serpentine spring, the outer side of the left shaft sleeve is sleeved with a left sleeve shell, the outer side of the right shaft sleeve is sleeved with a right sleeve shell, and the hydraulic expansion sleeve further comprises a fixing assembly arranged in the left shaft sleeve and the right shaft sleeve; a hydraulic assembly is arranged on one side of the interior of the left shaft sleeve, and a hydraulic assembly is arranged on one side of the interior of the right shaft sleeve. The left connecting part is fixedly connected to one side of the left shaft sleeve, the right connecting part is fixedly connected to the side, close to the left shaft sleeve, of the right shaft sleeve, and the fixing assembly comprises a groove and a mounting sleeve. Therefore, the abutting friction force between the expansion sleeve and the shaft sleeve and the connecting shaft is weakened, and the connecting effect and the using stability of the expansion sleeve coupler are reduced.

The utility model relates to the technical field of hard wire steel processing, in particular to a hard wire steel processing tightening wheel which comprises a frame body, the frame body comprises a base, the upper surface of the base is fixedly connected with a supporting frame, the inner side of the supporting frame is movably connected with a tightening roller, and a first motor is fixedly installed on the surface of the supporting frame. Through the elastic property of the spring, a certain force can be applied to the movable block, so that the movable block can move on the surface of the fixed rod, and then the movable rod moves along with the movable block to drive the compression roller to vertically move, so that the hard wire steel can be pressed down through the compression roller; through downward pressing of the pressing roller, the hard wire steel can be tightly pressed on the tightening roller, then the hard wire steel is not prone to loosening in the tightening process, it can be guaranteed that the hard wire steel can be tightly arranged on the tightening roller, tightening smoothness can be guaranteed, and therefore the tightening effect and quality can be improved easily.

The invention discloses a video data processing device and a processing method thereof. The video data processing device comprises a machine body and a gathering protection device, the video data processing method comprises the following steps: a machine body is electrically connected with external equipment through a plurality of interfaces so as to receive a video to be processed; detecting basic information of the to-be-processed video; based on the basic information, through keys arranged on the front cover plate, selection of adjustment models such as image enhancement and resolution adjustment of the to-be-processed video is carried out; based on the adjustment mode, the video to be processed is correspondingly processed, adjusted and exported, in the electrical connection of multiple interfaces and external equipment, the binding protection device is arranged, namely, the binding assembly is matched, wires can be tightened, clamped and bound, the disordered use of the wires is avoided, and due to the arrangement of the automatic opening and closing assembly, the safety of the wires is improved. The cover bodies on the two sides can be conveniently opened and closed, the safety of the interface position is ensured, and dust is prevented from entering.

The invention discloses a pipeline welding fixture, a pipeline welding robot and a pipeline welding method. The pipeline welding fixture comprises a support rod, two hoop clamps and two driving members. The support rod is horizontally arranged along the left and right directions. The two hoop clamps are both semicircular rings. The two hoop clamps are both vertically arranged and distributed along the left and right directions. The notches of the two hoop clamps are close to each other. The upper ends of the two hoop clamps are rotatably connected to the middle part corresponding to the length direction of the support rod. The two driving members correspond to the two hoop clamps one by one. Each of the driving members is transmission-connected to the hoop clamps. The two driving members drive the two hoop clamps to rotate to close into a circular ring to clamp the pipeline, or rotate to expand to loosen the pipeline. In this way, the two driving members can drive the two hoop clamps to close into a circular ring to clamp the pipeline, or drive the two hoop clamps to expand to loosen the pipeline. The automation degree is high and the clamping effect is good.

The invention discloses a damping device for cylinder sleeve machining and belongs to the technical field of damping devices.The damping device comprises a base and a workbench, the top of the base is fixedly connected with a base plate through a supporting block, the bottom of the workbench is fixedly connected with a fixing plate through a supporting block, and a tightening rotating plate can upwards jack a buffering air bag to move by a certain distance; side damping mechanisms are installed between the fixing plate and the four corners of the base correspondingly, each side damping mechanism comprises a supporting plate, the lower end of each supporting plate slidably abuts against a transverse buffer spring, and the tightening rotating plate can drive the supporting plates to abut against the transverse buffer springs to move by a certain distance through the fixing plate; the damping device has the technical effects that the multi-directional anti-seismic effect is achieved, the damping device can be tightened to a certain degree through the tightening mechanism, the anti-seismic effect and quality of the device are guaranteed, the durability is enhanced, the service life of the device is prolonged, the machining precision and quality are guaranteed, and therefore the working efficiency is improved.

The invention relates to the technical field of railway bridge engineering, in particular to an assembly type high-performance component applied to railway bridge engineering and a production process thereof.The assembly type high-performance component comprises a drainage protection wall and a common protection wall, a splicing assembly is arranged between the drainage protection wall and the common protection wall, and the drainage protection wall comprises a drainage wall body; a drainage groove set is formed in the drainage wall body, the drainage groove set comprises an air inducing through groove formed in the drainage wall body, a built-in through groove is formed in the position, close to the air inducing through groove, in the drainage wall body, and a water draining groove is formed in the surface of the side, close to a rail, of the drainage wall body. A drainage auxiliary mechanism is arranged at the position, close to the lower water tank, in the drainage wall. The drainage auxiliary mechanism is arranged, accumulated water on the bridge floor can be continuously drained, the possibility that the accumulated water on the bridge floor is difficult to drain in time due to the fact that upper and lower water ports of the railway bridge are blocked by sundries is reduced, and the drainage effect of a drainage system on the railway bridge is improved.

This invention belongs to the field of surgical instrument technology and discloses a disposable sterile specimen retrieval bag with spill prevention, comprising a cannula, a push rod, and a specimen bag. The push rod is slidably connected inside the cannula, and the specimen bag is connected to one end of the push rod. The specimen bag includes a support strap with several ratchet teeth on one side. One end of the support strap is connected to a buckle, and the buckle has protrusions that match the ratchet teeth. The other end of the support strap passes through the buckle. The support strap and the buckle form an elastic annular support ring. A hollow sleeve is fitted onto the annular support ring, with one end connected to the end of the support strap and the other end connected to the buckle. The hollow sleeve is connected to the retrieval bag body. This invention solves the technical problems of existing specimen bags having limited options for aperture specifications, being easily damaged, and having a semi-closed opening that hinders the smooth placement of specimens.

The utility model relates to a tensioning mechanism of a floating roller transmission chain, two floating rollers are arranged at two ends of a floating front arm, the end parts of the two floating rollers are coaxially and fixedly provided with a chain wheel respectively, a transmission chain is connected between the two chain wheels, and the transmission chain is compressed through the tensioning mechanism; the tensioning mechanism comprises a tensioning wheel support and a tensioning wheel, an arc-shaped long hole and a round hole are formed in the left side and the right side of the upper portion of the tensioning wheel support, and the arc-shaped long hole takes the center of the round hole as a circle. A tensioning wheel mounting hole is formed in the lower part of the tensioning wheel support; the tensioning wheel support is rotationally connected with a supporting shaft which is vertically fixed on the floating front arm through a round hole in the upper part to form a rotation adjusting center of the tensioning wheel support; the tensioning wheel support is fixed to the floating front arm through a connecting piece penetrating through the arc-shaped long hole. And the tensioning wheel is connected with a tensioning wheel mounting hole in the lower part of the tensioning wheel support through a wheel shaft and is pressed below the lower stroke section of the transmission chain. According to the mechanism, the tensioning force can be adjusted, and the relative position of the transmission chain is kept unchanged in the floating process.

This application relates to a mobile phone securing cord structure and clothing, belonging to the field of clothing accessories technology. It includes: a cover plate, located in the pocket of the clothing and used to cover the pocket opening; and a securing cord, sewn in a wavy shape to the underside or edge of the cover plate, having multiple hook parts for flexible connection to a mobile phone case. This application connects the securing cord to the mobile phone case, allowing the phone to be placed directly in the pocket. This effectively connects the phone to the clothing body, whether during outdoor activities or when taking the phone out for use, effectively preventing the risk of the phone accidentally falling off or being lost. It is particularly suitable for use during strenuous outdoor activities and when using the phone at heights, preventing the phone from falling and improving the safety of carrying the phone while wearing clothing.

The present invention discloses a sleeve connection structure with an expansion device and a sleeve, and relates to the field of prefabricated buildings. The technical solution thereof comprises a sleeve and two steel bars to be connected, the sleeve comprising a cylinder body and ports at both ends, the ends of the steel bars are provided with enlarged heads, and one end of the two steel bars with the enlarged heads is clamped in the cylinder body; an expansion device is arranged between the two enlarged heads or between the enlarged head and the port, and the expansion device fills the gap between the two enlarged heads or between the enlarged head and the two ports. The advantage of the present invention is that the gap between the two enlarged heads or between the enlarged head and the two ports is filled, thereby improving the connection strength between the steel bars and the sleeve.

The utility model provides a cable butt joint, which comprises two shells, a base, a clamping assembly and a fastener, and is characterized in that the two shells are buckled with each other; the two sides of the outer shells are provided with openings for the cable to penetrate through, sealing gaskets are arranged in the openings, the base is fixedly arranged in the outer shells, the clamping assembly is arranged in the base in a sliding mode, the cable is fixed in the base through the clamping assembly, and the fastening piece is arranged on the two outer shells and the base in a penetrating mode. According to the cable butt joint of the utility model, through the cooperation of the sealing gasket and the opening, it is ensured that water vapor can be prevented from entering the cable in the joint, through the arrangement of the clamping assembly, it is ensured that the two cables can be clamped through the clamping assembly at the same time, the installation of the cables is facilitated, and through the arrangement of the fastener, the tightness of the clamping assembly can be improved; according to the invention, the cable is prevented from being separated from the connector, the two cables can be ensured to be communicated through the arrangement of the conductive strip, and the safety can be improved through the arrangement of the shell.

The application discloses a waistband structure, and belongs to the technical field of waistbands, which comprises a main band body and a sub-band body, the two ends of the main band body and the sub-band body are respectively and respectively detachably connected, the sub-band body is arranged near the middle position of the main band body and is used for gathering the main band body, and at least one adjusting part is formed by folding the main band body relative to the sub-band body, and a connecting piece for fixing the adjusting part is arranged on the outer wall of the main band body. The adjusting part is folded to make the main band body capable of being flexibly adjusted according to the body shape of a user, effectively avoiding that the top of the main band body presses or clamps the lower edge of the chest of the user, or that the bottom of the main band body rubs against the hip bone or the hip of the user to cause discomfort, and improving the size adaptability and ergonomics compatibility. The adjusting part can be fixedly installed on the outer wall of the main band body through the connecting piece, thereby preventing the adjusting part from being randomly rolled up and raised to cause discomfort to the user, and improving the wearing comfort of the user.

The present invention provides an adjustable pre-tightening hoop, comprising a hoop main band, a first mounting hole, a second mounting hole, an M-shaped elastic bow band, a first auxiliary band, and a second auxiliary band; the hoop main band is an annular band structure comprising a notch, the first mounting hole is arranged at one end of the hoop main band, the second mounting hole is arranged at the other end of the hoop main band, and the first mounting hole and the second mounting hole are used for installing an adjusting bolt; the elastic bow band is located on the hoop main band, the first auxiliary band is used for forming a complete circular structure with the hoop main band, and the second auxiliary band is used for connecting with the inner side of the elastic bow band; the present invention can adjust the inner diameter of the hoop and increase or decrease the pre-tightening force by screwing the bolt, so that the hoop can match pipes with different outer diameters, and has a wide range of uses; the hoop main band and the auxiliary band form a complete ring, without a clamping blind area, and the clamping effect is good, and the problem of the hoop loosening can be effectively avoided.

The voice navigator comprises a main shell, side shells inclining inwards are arranged on the left side and the right side of the main shell, a cavity is formed in the inner side of the main shell, and a bottom plate is fixedly connected to the cavity; a storage battery, a control chip, a Bluetooth communication module and a satellite positioning module are arranged on the bottom plate, a forward laser radar distance measuring sensor is arranged at the bottom of the front side of the main shell, a lateral laser radar distance measuring sensor is arranged at the bottom of the front side of the inclined side shell, and a radio device is arranged at the top of the main shell. The front side of the side housing is also provided with a sound box, a control chip, a Bluetooth communication module, a satellite positioning module, a network communication module, a forward laser radar distance measuring sensor, and a lateral laser radar distance measuring sensor. The system is comprehensive in detection range, inconvenient to wear, easy to operate and the like.

The utility model provides a protective suit. The protective clothing comprises trouser legs, each trouser leg comprises a body, a trouser leg binding opening and a second tightness adjusting structure, each body comprises a trouser leg opening, each trouser leg binding opening is arranged on the inner side of the corresponding trouser leg opening, one end of each trouser leg binding opening is connected to the inner side of the corresponding trouser leg opening, the other end of each trouser leg binding opening is provided with a first tightness adjusting structure, and the trouser leg openings and the trouser leg binding openings form a double-layer structure. And the second tightness adjusting structure is arranged on the outer side of the trouser leg opening corresponding to the trouser leg binding opening and is used for adjusting the tightness of the trouser leg opening. The protective clothing is provided with a double-layer composite structure formed by the trouser leg opening outer layer provided with the second tightness adjusting structure and the trouser leg binding opening inner layer provided with the first tightness adjusting structure, the trouser legs are not prone to moving upwards during dynamic rescue operation, and the protective effect is good.

This invention discloses a maintenance device for a low-voltage power distribution network system, belonging to the field of maintenance equipment technology. It includes a height fine-tuning mechanism, a bolt tightening mechanism, a rolling guide mechanism, and a limiting mechanism. During actual operation, the height fine-tuning mechanism allows for precise alignment, facilitating the accurate removal of bolts and angle steel. The bolt tightening mechanism automatically tightens bolts and is adaptable to slight angle tilts during tightening. The rolling guide mechanism facilitates lifting angle steel to a suitable position on the utility pole or removing angle steel from the pole for complete replacement, improving maintenance efficiency. The limiting mechanism limits the angle steel and bolts, facilitating disassembly or installation / replacement.