44results about How to "Avoid knots" patented technology

The utility model discloses a textile yarn roll pay-off device, including the platen, the platen is installed seat board on interval, and the vertical connecting axle rod on seat board, and the axle rod one side sets up the pressure tile, and the ear seat is set up on the outer surface of pressure tile interval, and the ear seat is set up boost mechanism between the upper and vertical board, and the ear seat is set up thrust mechanism between the lower and vertical board, and the vertical board outside connects the pneumatic cylinder, and the telescopic rod of pneumatic cylinder connects thrust mechanism, with simple structure, reasonable in design, novel and unique thought, through the telescopic rod of pneumatic cylinder's extension and retraction, and utilize the lower spring to drive pressure tile to approach or away from yarn roll, and the lower spring is compressed short simultaneously, and the force of the lower spring pushes the pressure tile to be always attached to the yarn roll surface, guarantee yarn on yarn roll under the traction in the process of paying-off, and only pay-off will be pulled by traction, avoid yarn roll free rotation and pay-off, avoid the yarn roll free pay-off and knot of traction inertia.

The invention provides a loop resistance tester, and belongs to the technical field of electrical test equipment, the loop resistance tester comprises a host, a test clamp and a wiring plug, the test clamp is connected with the wiring plug through a test wire, the bottom of the host is provided with a storage box, the storage box is internally provided with a storage groove, and the storage groove is internally provided with take-up rollers at left and right intervals; the take-up roller is used for storing the test wire; by arranging the cable winding mechanism and the belt transmission mechanism, when the test clamp is pulled for testing, a cable is pulled out, and a winding roller generates winding force under the action of a torsion spring; when the test is finished, the push plate is pushed to unlock the one-way mechanism, the take-up roller automatically and uniformly winds and recovers the test wire under the combined action of the torsion spring and the belt transmission mechanism, manual winding is not needed, and the storage efficiency and convenience are greatly improved.

The application relates to the technical field of liquid metering, in particular to a liquid detection device for an underground storage tank. The device comprises a shell, a placing chamber arranged in the shell, a wire through hole arranged on the shell and communicating with the placing chamber and the outside of the shell. A wire wheel is arranged on the shell, and a wire is wound around the wire wheel. A sensor assembly is arranged on the wire. A coding wheel group is arranged on the shell and used for guiding the wire. A detection unit for detecting the length of the wire is arranged on the coding wheel group. A control assembly comprises a driving unit, a measurement setting unit and a control unit. The driving unit is controlled by the depth position parameter set by the measurement setting unit and the length of the wire detected by the detection unit, so that the wire is lowered to a corresponding depth. The control assembly cooperates with each component to automatically control the wire to be lowered to a set depth, realize the detection of liquid at different depths, and greatly reduce the labor cost and improve the detection efficiency without manual sampling.

The present application relates to the technical field of inspection robots, and discloses a photovoltaic power station inspection robot, which comprises an unmanned water surface boat, a detection shell is rotationally connected to the output end of a lifting mechanism, an image recognition module, an infrared detection module, an electric push rod three and a laser ranging module one are arranged on the outer wall of the detection shell, a push paw is slidably arranged through a measuring seat and fixed to the output end of an electric push rod two, a supporting rod is rotationally connected to the upper side of the unmanned water surface boat, and a fixing paw is slidably arranged through a fixing seat and fixed to the output end of an electric push rod one. The unmanned water surface boat is moved to a corresponding support detection position, the fixing seat and the fixing paw are used to tightly hold a pile foundation through the cooperation of the supporting rod and the electric push rod one, then the measuring seat and the push paw are used to enclose the support through the rotation of the detection shell and the driving of the electric push rod three, and the cooperation of a pressure sensor two, the electric push rod two and the laser ranging module one is used to complete the detection of the stability of the support.

The utility model relates to the technical field of automobile part detection, and puts forward an adjustable automobile headlamp detection platform, including detection box, including battery box, the inside installation of battery box has the charge -discharge battery, and the top of battery box is connected with detection box, and the inside lower side wall of detection box is rotatably connected with the bull gear, and the middle position of bull gear is equipped with the pass -through port, and the top of bull gear is connected with two fixed seats of cooperation, and the one end of mutual repulsion of two fixed seats rotatably connected with the rotating lever, and the rotating lever on both sides is connected with the connecting plate, and the top of two connecting plates is connected with the mounting plate, and the mounting hole is equipped on the mounting plate, and the top of bull gear is installed with the first motor connected with the rotating lever, and the inside wall on detection box is installed with the second motor, and the output of second motor is connected with pinion, and thus when detecting the car light, the car light is conveniently adjusted in multidirectional angle, and the car light is conveniently detected comprehensively.

The utility model discloses a kind of power line winding mechanism and line winder of bamboo cutting scissors, the power line winding mechanism of bamboo cutting scissors includes mounting bracket, winding assembly, wire arrangement component and locking assembly installed on mounting bracket;Winding assembly and winding assembly are sequentially installed on mounting bracket, winding assembly includes winding limiting piece;Locking assembly controls the rotation state of winding limiting piece by mechanical limit, to realize the locking state and the unlocking state of switching winding mechanism.The utility model realizes efficient power line management by modular design: winding assembly orderly receives and releases wire, wire arrangement component prevents winding, locking assembly accurately controls the rotation state of winding assembly;In locking state, guarantee transportation stability, when unlocking, quick collection and release improve efficiency.The utility model compact structure is light and handy, adapts complex terrain, prolongs power line coverage range, reduces equipment carrying frequency, significantly improves the applicability and practicality of electric bamboo cutting scissors equipment in forestry operation.

The utility model discloses an electrical equipment maintenance wire harness winding device with an adjustable winding space, and particularly relates to the technical field of wire harness winding, the electrical equipment maintenance wire harness winding device comprises a winding drum, a winding roller and a fastening assembly, the winding drum is made of a flexible rubber material, can extend and deform, and is fixed with an arc-shaped seat of the fastening assembly through a pin to ensure that the winding drum cannot be separated when being stressed; an arc-shaped rod, a limiting seat, a fastening spring and other parts in the fastening assembly achieve dynamic adjustment of the fastening force of the winding drum, the stability of the winding process is guaranteed, a worker enables a wire harness to penetrate through a communication window to be fixed to a winding roller, the winding roller rotates to drive the wire harness to be wound, along with the change of the winding amount, the flexible winding drum can automatically contract or expand, and the fastening assembly is synchronously adjusted; the winding drum and the wire harness are tightly attached all the time, and loosening and knotting are avoided. The wire harness winding device is high in self-adaptive attaching capacity, capable of coping with wire harnesses of different winding amounts and specifications, convenient to operate, good in environment adaptability and high in universality, and the efficiency and quality of winding the wire harnesses for maintenance of power equipment are improved.

The utility model discloses a data line convenient to store. The data line comprises a data line body and a plurality of groups of storage racks arranged on the data line body, the storage rack comprises a bunching row and a supporting rod, and a penetrating hole and a plurality of clamping holes are formed in the bottom of the bunching row; mounting holes are further formed in the tops of the bunching rows, one ends of the supporting rods are inserted into the mounting holes of the bunching rows, and the other ends of the supporting rods are detachably connected with one another; and the data line body is spirally wound on the plurality of bunches of line rows and is respectively arranged in the penetrating holes in a penetrating manner and clamped in the clamping holes in a clamping manner. According to the data line with the storage rack, the data line is supported by the spliced storage rack when being wound and stored, so that the data line can be effectively prevented from being knotted, and the problem that the data line is broken due to the fact that the winding and bending radian of the data line is too large can be avoided; the utility model has the advantages of strong practicability and strong popularization significance.

The utility model relates to the technical field of liquid level meters, and discloses a novel gas guide type liquid level meter which comprises a sensitive device assembly, a gas guide pipe is arranged on the outer wall of the sensitive device assembly, a balance cover is arranged at the end of the gas guide pipe, a fixing assembly is arranged on the outer wall of the sensitive device assembly, and the fixing assembly comprises a fixing sleeve. A bidirectional threaded rotating rod is rotated, so that a limited threaded sliding block drives an L-shaped plate and an extrusion rubber block to move, the grip can be stably fixed when the L-shaped plate and the extrusion rubber block move towards the two sides, and after the threaded sliding block moves to the maximum limit, a connecting plate can be pulled to enable an elastic telescopic plate to stretch; and after the fixing head is aligned with the limiting groove, the elastic telescopic plate can be loosened, so that the fixing head can be stably inserted into the limiting groove, it is guaranteed that the balance cover can be stably stored when the balance cover is not used, and the balance cover is prevented from penetrating through the air guide pipe to be wound and knotted.

This utility model discloses a buffer pack for working at heights, specifically relating to the technical field of protective equipment for working at heights. It includes a buffer pack with a safety belt fixedly installed on one side. The buffer pack has an internal buffer cavity containing a polyethylene foam board. An adjustment mechanism is also included inside the buffer pack. This mechanism includes a connecting plate fixedly installed on the inner wall of the buffer pack. A rotating shaft is rotatably mounted at one end of the connecting plate, and one end of the shaft passes through and is rotatably connected to the buffer pack. A winding roller is fixedly mounted on the surface of the rotating shaft, and a safety rope is wound around the surface of the winding roller. This utility model allows workers to flexibly adjust the length of the safety rope to adapt to different work scenarios. It also ensures smooth deployment and retraction of the safety rope, preventing tangling and knotting, providing comprehensive, convenient, and efficient safety protection for working at heights. Furthermore, it effectively absorbs the impact of falls, reducing the risk of injury to workers.

The utility model relates to a cement conveying device for a tunnel. The moving assembly comprises a driving part and a driving wheel, the output end of the driving part is connected with the driving wheel, the driving wheel abuts against the track, and the moving assembly can move along the track; the moving assembly can abut against the driven assembly, the driven assembly comprises a driven wheel, the driven wheel abuts against the track, and the driven assembly can move along the track; the moving assembly and the driven assembly are both fixed to the first conveying pipe, the first conveying pipe can be bent, and when the moving assembly abuts against the driven assembly, the moving assembly can move to the driven assembly. The length of the first conveying pipe between the moving assembly and the driven assembly is larger than the distance between the moving assembly and the driven assembly. According to the cement conveying device for the tunnel, the conveying pipe carrying efficiency can be improved.

The utility model discloses a suction and hanging dual-purpose lamp convenient to install, relates to the technical field of lighting equipment, and aims to solve the problems that a hanging wire is often twisted and knotted and the installation becomes complicated when a wire is manually taken up in an existing device. The suction and hanging dual-purpose lamp comprises a light-emitting component and a lampshade fixedly connected to the top end of the light-emitting component; the main magnetic attraction piece is arranged at the top end of the lampshade, and the main magnetic attraction piece is used for attracting the dual-purpose lamp on a wall surface; the abutting plates are arranged at the top end of the lampshade. Two rectangular holes are formed in the top end of the lampshade, and the bottom ends of the dustproof boxes are fixedly connected to the top ends of the rectangular holes; and the two clockwise-winding take-up assemblies are both arranged in the dustproof box. The sucking and hanging dual-purpose lamp convenient to install has the technical effects that the hanging wire can return to a storage position in order through clockwise winding and winding, the problems of disordered winding and wire clamping possibly caused by manual wire winding are avoided, distortion, knotting and excessive extrusion during winding of the hanging wire are completely eradicated, the installation is convenient, and the service life of the hanging wire is prolonged.

This utility model relates to the field of anti-tangling technology for nylon spinning winding, and discloses an anti-tangling nylon spinning winding device, including a winding box, and further including: a winding disc rotatably connected to the front side of the winding box; two take-up rollers rotatably connected to the front side of the winding disc for rotating and winding the nylon yarn; and a guiding mechanism disposed on the outer wall of the winding box for guiding the nylon yarn to be wound and wound onto the outer wall of the take-up rollers. This utility model guides the nylon yarn through multiple guide cylinders, ensuring that the nylon yarn maintains a straight path during winding, avoiding tangling and knotting. The guide rollers abut against the outer wall of the nylon yarn, and a return spring pushes the arc-shaped sleeve to move, further tightening the nylon yarn, ensuring stability during winding and effectively preventing tangling.

The utility model relates to the technical field of drainage vehicles, and discloses an intelligent portable large-flow drainage vehicle which comprises a vehicle body, the top of the vehicle body is fixedly connected with a compartment, the interior of the compartment is fixedly connected with a winding mechanism, the winding mechanism comprises a winch frame, the interior of a rectangular frame is rotationally connected with a first rotating wheel, and the interior of the first rotating wheel is rotationally connected with a second rotating wheel. A sliding frame is slidably connected to the interior of the rectangular frame, a second rotating wheel is rotatably connected to the interior of the sliding frame, an elastic assembly is arranged in the rectangular frame, and a water hose winch is rotatably connected to the interior of a winch frame. The first motor drives the water hose winch to rotate, meanwhile, a spring of the elastic assembly pushes the sliding frame, the second rotating wheel and the water hose keep proper pressure, the first rotating wheel and the second rotating wheel are matched to extrude the water hose to be flat to assist in drainage, winding efficiency and uniformity are improved, and it is guaranteed that the water hose of the drainage vehicle is wound and unwound smoothly; and the convenience and the high efficiency of the whole drainage operation are improved.

The air outlet structure comprises a main body shell, an air inlet cavity, an air inlet, an air outlet cavity, a draught fan and a heating assembly, the main body shell comprises an air inlet part and an air outlet part which are rotatably connected, and the air inlet cavity is formed in the air inlet part; the air inlet is formed in one side of the air inlet part and communicates with the air inlet cavity; the air outlet cavity is arranged in the air inlet part and the air outlet part and is communicated with the air inlet cavity; the fan and the heating assembly are arranged in the air inlet cavity in the flowing direction of air. The air conditioner further comprises a plurality of air outlets, an air guide assembly and a heat insulation cavity. The air guide assembly is arranged in the air outlet cavity and distributes air entering the air outlet cavity to the multiple air outlets, and the multiple air outlets are formed in the air outlet part at intervals; the heat insulation cavity is formed in the air outlet part and surrounds the air outlet cavity and the multiple air outlets, the heat transfer amount of the air outlet cavity or the air outlets to the outer surface of the main body shell is reduced, the rising speed of the temperature of the outer surface of the main body shell is slowed down, and a user can make contact with and adjust the air outlet structure conveniently in the using process.

The utility model relates to a pet skin health care comb, and relates to the field of pet care, the pet skin health care comb comprises a comb handle, a comb head and a plurality of comb teeth, the comb teeth are arranged on the comb head, the comb handle is detachably connected with the bottom of the comb head, the comb head is provided with two groups of seaming plates, the two groups of seaming plates are obliquely arranged, and the top ends of the seaming plates are fixedly connected; the two groups of parting plates define a parting space, the comb head is provided with a groove for accommodating the two groups of parting plates, the comb head is provided with a control assembly for controlling the parting plates to extend out of a notch of the groove, and a red light generating assembly and a blue light generating assembly are arranged in the parting space on the comb head. And two groups of spraying assemblies are symmetrically arranged on the comb head along the parting plate. The device has the effects that pet hair is pushed aside, the red and blue light irradiation efficiency is improved, and the good nursing effect is achieved.

The utility model relates to a water injection pump technical field, concretely relates to a portable miniature water injection pump device. Including the car body, the first motor and the pump body are fixed to the car body upper end, and the output shaft of first motor and the input shaft of pump body are connected through the shaft coupling, and one side of car body is fixed with the side plate, and the support rod is fixed to the side plate, and the support rod is perpendicular to the side plate, and the second motor is concentrically fixed to the end of support rod away from the side plate, and the output shaft of second motor is concentrically fixed with the turntable, and the central rod is rotatably connected to the turntable, and the long slot is set up on the turntable, and the sliding block is elastically slid in the long slot, and the sliding rod is fixed to the sliding block upper end, and the rotating sleeve is rotatably arranged on the sliding rod outside, and the water inlet hose passes between the rotating sleeve and the central rod. The utility model drives the turntable, sliding rod and rotating sleeve through the second motor, and realizes the automatic winding function of water inlet hose in combination with spring sliding block system.

The utility model discloses a multi-angle winding wire outlet mechanism, which belongs to the technical field of wire feeding equipment, and comprises a wire winding wheel, a wire outlet component, a turnover driving component, a control host, a wire stroking component, a straightening component and a mounting rack, the upper end of the control host is provided with a wire outlet, the wire stroking component is mounted behind the wire outlet, and the straightening component is in transmission connection with the upper end of the control host. The mounting frame is mounted on the right side of the control host, the turnover driving component is mounted in the mounting frame, the reel is mounted in the upper portion of the mounting frame and arranged above the turnover driving component, and the wire outlet component is mounted on the right side of the mounting frame. The problems that in the prior art, due to the fact that the distance between wire storage roller shafts is fixed, the wire storage amount cannot be adjusted, and wires are prone to being broken are solved. According to the design, cutting caused by wire knotting or snapping can be effectively avoided, cost waste is further prevented, practicability is improved, and more wire outlet positions are achieved.

The utility model relates to a lamp control technical field discloses a bathroom energy -conserving control device, include: shell, the shell is hollow rectangular box in cavity, the top of shell is in open state, the cavity of shell is installed with control module, the lateral wall of shell is installed with circuit symmetry, the sliding cover structure is set up in the top of shell for covering the top of shell, the sliding cover structure includes: the limit groove, the top and the limit column, the limit groove symmetry sets up in the front and back wall of shell, the top is connected in the top of shell sliding, the limit column is fixedly connected in the wall of top symmetry, the top can cover the top of shell, the sliding cover structure utilizes the top of quick -opening to cover the top of shell to realize not with the aid of tool can carry out the overhaul to control module in the cavity of shell, resistance structure passes through the limit board of adjustable position not only can realize to two circuit spacing prevents the knot, still can pass through the spring skin to the outer wall protection of circuit and drive the position of ring lock top.

This disclosure provides a wire harness stripping device, comprising: a stripping blade for cutting the insulation layer of the wire harness; a guide wheel assembly for guiding the wire harness to prevent twisting and knotting; a feed roller for driving the wire harness feed; a limiting plate for constraining the radial displacement of the wire harness; and a support frame for supporting and fixing all components. The stripping blade is rotatably mounted on the support frame, the guide wheel assembly is fixedly mounted on the support frame and located on the inlet side of the stripping blade, the feed roller is rotatably mounted on the support frame and disposed opposite to the guide wheel assembly to form a wire harness channel, and the limiting plate is rigidly connected to the support frame and disposed on the outlet side of the guide wheel assembly. The guide wheel assembly includes a guide wheel with a V-shaped groove on its circumferential surface to accommodate the wire harness. The solution of this disclosure can prevent wire harness twisting and knotting.

The utility model discloses a DTU photoelectric comprehensive distribution box, and relates to the technical field of photoelectric comprehensive distribution boxes. The DTU photoelectric comprehensive distribution box comprises a distribution box body and a winding assembly, a square transverse column is arranged in the distribution box body, multiple sets of sliding sleeves are installed on the square transverse column in a sliding mode, the winding assembly is arranged on the sliding sleeves, the winding assembly comprises a winding column, a fixing frame, a sliding plate, a sliding rod and a clamping plate, the winding column is fixedly installed on the front side of the sliding sleeve, and the winding column is fixedly installed on the front side of the sliding sleeve. And two sets of fixing frames are fixedly installed on the front side of the winding column, clamping plates are arranged on the adjacent side walls of the two sets of fixing frames, sliding rods are fixedly installed on one sides of the clamping plates, and one ends of the sliding rods penetrate through the fixing frames to be fixedly installed on one sides of the sliding plates. Through the arrangement of the winding assembly, the cable is wound to the winding column, the space occupied by the cable can be effectively reduced, the internal space of the distribution box is more compact and neat, and through the elastic clamping and fixing, the cable can be prevented from being tangled or knotted in the storage or use process.

The utility model relates to gallbladder injection auxiliary device field especially, more particularly to a portable gallbladder injection auxiliary device. Including chassis, a plurality of universal wheel, fixed link, injection pump, adjusting structure and auxiliary structure, the lower surface mounting of chassis has a plurality of universal wheel, the lower surface mounting of injection pump has fixed link, the fixed link is fixed with adjusting structure and chassis, the upper surface of chassis is equipped with adjusting structure, the adjusting structure includes locating rod, the locating rod and chassis fixed connection, the inner wall sliding connection of locating rod has connecting rod, the circular arc surface of locating rod is set up with the sliding slot. The portable gallbladder injection auxiliary device provided by the utility model has the advantage that the height of injection pump can be conveniently adjusted, and then personnel can conveniently use the injection pump for injection, so that the injection pump is more in line with the height of personnel during use, avoids the need for personnel to perform actions such as bending over during use, and makes it more humanized.

The utility model relates to the field of high-altitude construction protection equipment, in particular to a carrying storage tool applied to an anti-falling rope for high-altitude security and protection, which comprises a storage equipment main body, a locking buckle is fixedly connected to the upper end of the storage equipment main body, an anti-falling safety rope is mounted at the bottom end of the storage equipment main body, and an anti-falling buckle is fixedly connected to the bottom end of the anti-falling safety rope. The bottom end of the storage equipment body is fixedly connected with an outer protection shell, the outer protection shell is located on the outer side of the anti-falling safety rope, the bottom end of the storage equipment body is fixedly connected with two symmetrical connecting rods, a connecting transverse column is fixedly connected between the two connecting rods, an outer wrapping ring is installed in the connecting transverse column in an embedded mode, and the outer wrapping ring is located on the outer side of the anti-falling safety rope. And a fixing plate is fixedly connected to the upper end of the connecting rod located on the right side, so that the twisted anti-falling safety rope can be straightened, the twisted anti-falling safety rope is not prone to being knotted in the storage equipment, the anti-falling safety rope is not prone to being damaged, and the service life of the anti-falling safety rope is prolonged.

The application discloses a pipe well pipe hoisting construction method and an auxiliary device, and belongs to the technical field of building construction. The method comprises the following steps: installing a load-bearing support on a pipe well side shear wall and assembling a load-bearing steel beam which is laterally cantilevered above a pipe well opening, and suspending a fixed pulley above the pipe well opening; fixing a hand-operated hoist and a guide fixed pulley on an elevator antechamber floor, so that an inclined transition path is formed between the hand-operated hoist, the guide fixed pulley and the fixed pulley; threading a steel wire rope to form a broken line type lifting path which comprises a horizontal traction section, an inclined transition section and a vertical lifting section; and winding and unwinding the steel wire rope by the hand-operated hoist, so that a movable pulley is lowered to the pipe well bottom to hang and connect a pipe and is lifted to an installation position. The application adopts an externally-hung hanging state, does not need any device to enter the inside of the pipe, and avoids damaging the inner wall of the pipe; floor operation is realized by the broken line type lifting path, and climbing to the top floor is not needed; and the combination anchoring node and the anti-pulling fixed node are used to ensure the stability of the lifting path.

The treadmill comprises a base and a runway arranged on the base, the treadmill further comprises a stand column arranged on the base, the stand column is located in front of the runway, a containing bin is arranged on the side, away from the runway, of the stand column, a safety belt and a winding structure rotationally arranged on the stand column are arranged in the containing bin, and one end of the safety belt is connected with the winding structure; a safety belt outlet is formed in the side, facing the runway, of the stand column, the safety belt outlet is communicated with the containing bin, and at least part of the safety belt extends out of the safety belt outlet. The utility model provides a treadmill to solve the technical problems that a safety belt of an existing treadmill causes the movement range of a user to be too small, the user feels uncomfortable easily, and the user is prevented from using a whole treadmill runway.

The utility model relates to the technical field of cables, in particular to a cable convenient to move, which comprises a support. The transverse plate is fixedly installed in the middle of the support, a reel is installed on one side of the transverse plate through a bearing, a cable is wound in the reel, and a handle is installed on the outer side of the reel through a bearing; and the mounting plate is fixedly mounted at the bottom of the support, and wheels are fixedly mounted on the two sides of the bottom of the mounting plate. The movable block is installed at the top of the bottom plate, the bolt penetrates through the middle of the movable block through the thread, the second supporting leg is installed on one side of the movable block through the bearing, the sliding block is matched to be embedded in the sliding groove, and after the device is pushed to a fixed position, the top of the bolt is rotated to drive the second supporting leg to move downwards and abut against the ground. The stability of the device can be realized in cooperation with the first supporting legs, and movement during arrangement work can be prevented.

The utility model discloses an industrial embroidery machine bobbin structure with magnetic baffle, relates to bobbin structure technical field, the utility model discloses a winding post, baffle, two the baffle fixed and symmetrically set up in the both ends of winding post, wherein, at least one the baffle is fixedly connected with magnetic baffle body. The utility model discloses an industrial embroidery machine bobbin structure with magnetic baffle, through setting up magnetic baffle on the baffle of bobbin, and there is magnetic adsorption force between it and the bobbin shell made of metal iron, and this adsorption force can rapidly generate resistance, makes the bobbin immediately stop rotating when emergency braking, and this improvement effectively avoids the phenomenon that the bottom thread is knotted, reduces the machine failure and maintenance cost caused by the bottom thread winding, and significantly improves the performance and reliability of industrial embroidery machine.

The utility model discloses a leakage detection device for water hose processing, which relates to the technical field of water hose leakage detection, and comprises an accommodating disc which is of a basin-shaped structure, and the center of the accommodating disc is rotatably connected with a rotary column; the servo motor is fixedly connected to the bottom of the containing disc and used for driving the rotary column to rotate; the connecting pipe is fixedly connected to the outer side of the rotary column, and a quick connector is arranged at the end of the connecting pipe and used for communicating with one end of a water hose; the sealing head is used for sealing the other end of the water hose; the air pump is mounted in the rotary column and used for pumping air into the water hose through the connecting pipe; and the limiting mechanism is spirally distributed in the accommodating disc. According to the utility model, through the design of the spirally distributed accommodating groove and the liftable supporting rod, the uniform spiral distribution of the water hose in the detection process is realized, the overlapping or knotting phenomenon of the water hose is effectively avoided, and the detection accuracy and reliability are improved.

This utility model relates to the field of pile foundation testing technology and discloses an underwater pile foundation testing mechanism for bridges. It includes a pile foundation body, a winding assembly on one side of the pile foundation body, a testing device below the winding assembly, a camera inside the testing device, and a cleaning assembly on top of the testing device. The winding assembly includes a float on one side of the pile foundation body, a mounting base fixedly connected to the top of the float, a motor fixedly connected to the right side of the mounting base, a winding drum fixedly connected to the motor's output end, and two pulleys fixedly connected to the left side wall of the mounting base. This utility model, through the structural design of the winding assembly, solves the problems of existing technologies where the testing device is lowered into the water using a telescopic rod, the adjustment of the telescopic rod is cumbersome, requiring testing personnel to spend a lot of time and effort on adjustments, and the telescopic rod is not convenient for adjusting all lengths.

The invention relates to the technical field of aero-engine testing, in particular to a take-up and pay-off device for an aero-engine testing wire, a pay-off method and a take-up method. The device comprises a supporting seat, a rotating shaft, a screw rod, a first supporting rod and a second supporting rod, wherein the supporting seat is a basic component of the device and provides a mounting and bearing platform for other components; the rotating shaft is connected with the supporting seat and serves as a rotating axis of the supporting seat; the screw rod penetrates through the supporting seat and is fixedly connected with the supporting seat; the first supporting rod and the second supporting rod are installed at the two ends of the threaded rod respectively and connected with the threaded rod through threads. Wherein the screw rod is of a right-hand and left-hand thread structure, and the span between the two supporting rods is adjusted by rotating the screw rod. According to the invention, the phenomenon of knotting or winding in the unfolding and folding process of the test wire can be avoided, the device can adapt to the winding and unwinding work of the test wires with different bundling specifications, and the device has higher winding and unwinding efficiency.