49results about How to "Plug firmly" patented technology

The invention provides an intelligent bracelet for old people, which comprises a bracelet main body, and a display screen is mounted on the bracelet main body; a health monitoring module is arranged in the bracelet main body and is used for monitoring heart rate, blood oxygen and body temperature of the elderly; a health monitoring module is arranged on one side of the bracelet main body, a key alarm module is arranged on one side of the health monitoring module, the key alarm module is arranged in the bracelet main body, the key alarm module comprises a key device, the key device is arranged on one side of the bracelet main body, the key alarm module further comprises a key monitoring unit and a key alarm unit, and a wireless connection module is arranged on one side of the key alarm module. The wireless connection module is arranged in the bracelet main body, and the wireless connection module is used for being connected with external equipment. Mounting blocks are arranged on the two sides of the bracelet body, and a wrist strap connecting piece is arranged between the two mounting blocks. Through cooperative arrangement of all the structures, flexible wrist wearing adjustment can be conveniently carried out according to wearing requirements of different old people, one-key alarm operation is facilitated, and meanwhile operation is easy and popularization is convenient.

The utility model belongs to the technical field of harmonic detector, concretely relates to a high -tension transmission line harmonic detector convenient to use, including harmonic detector main part, the outside contact of harmonic detector main part has the mounting seat, the outside fixed connection of mounting seat has the elastic pad, the elastic pad and harmonic detector main part sliding sleeve joint, the inside sliding connection of mounting seat has the sliding block. The utility model discloses through being provided with fixed block, limiting sleeve, locating rack and other components, can make the connector with the plug and carry out the insertion, make the limiting sleeve to the connector and limit the effect, thereby make the connector with the plug insertion and keep stable, and make the locating rack to the connector and locate the effect, solved the high -tension transmission line harmonic detector convenient to use when using the plug and the connector insertion and unstable, prone to loosening, lead to the problem of inaccuracy of data.

The utility model relates to the technical field of pet food processing, in particular to a pet food mixing machine convenient for feeding, which comprises a machine body, a feeding mechanism, a stirring assembly, a feeding pipe and a discharging groove, the machine body comprises a machine frame, the surface of the machine frame is fixedly connected with a mixing bin and a motor, the inner surface of the mixing bin is rotatably connected with the stirring assembly, and the outer surface of the mixing bin is fixedly connected with the feeding pipe and the discharging groove; and the expanding mechanism comprises a guide hopper. The feeding pipe is provided with the guide hopper and is connected with the guide hopper under the action of the sleeve, so that the guide hopper can expand the range of receiving fed pet food raw materials of the mixing machine, the caliber of an inlet of the feeding pipe is increased, and the situation that part of the raw materials fall on the outer side when being fed due to the small caliber of the feeding pipe is avoided; by means of the structure, feeding is convenient for workers, waste of food raw materials is reduced, meanwhile, the protruding blocks, the connecting holes and the inserting holes can be inserted more firmly through the springs, and then the guide hopper is installed more firmly.

The utility model discloses a hoisting type heat recovery fresh air machine which comprises a machine shell, an outdoor air inlet and an outdoor air outlet are formed in the side wall of the machine shell, and a first inserting groove and a second inserting groove are formed in the machine shell. The first inserting groove is located in the inner side of the outdoor air inlet and communicated with the outdoor air inlet. The second inserting groove is positioned on the inner side of the outdoor air outlet and is communicated with the outdoor air outlet; a first filter element and a second filter element are respectively inserted into the first inserting groove and the second inserting groove; outdoor fresh air passes through the outdoor air inlet and the first filter element and then enters the machine shell. And indoor air in the machine shell passes through the second filter element and then is exhausted from the outdoor air outlet. The hoisting type heat recovery fresh air machine can solve the problems that when the filter element of the hoisting type fresh air machine is replaced, the cover plate needs to be dismantled, and operation is inconvenient, and the filter element replacement process is simpler, more convenient and faster.

The utility model discloses a modularized drawer type switch cabinet, which relates to the technical field of switch cabinets, and comprises a switch cabinet main body, an installation adjusting mechanism is fixedly connected in the switch cabinet main body, a drawing type slide rail is installed on the side surface of the installation adjusting mechanism, a drawer main body is fixedly connected on the side surface of the drawing type slide rail, and the installation adjusting mechanism comprises a support rod. According to the height of an installation element in the drawer body, the drawer body is pushed up and down, the sleeve is driven to slide along the supporting rod, in the process that the sleeve slides along the supporting rod, the dovetail insertion block is separated from the interior of the dovetail groove in the surface of the supporting rod, at the moment, the second spring is compressed, and the limiting rod slides along the connecting frame; and after the dovetail insertion block reaches the position of a new dovetail groove again, the second spring recovers the deformation to push the dovetail insertion block to be inserted into the new dovetail groove in the side face of the supporting rod, so that the height of the drawer body is limited, and the limitation of a traditional fixed modulus is broken through.

The utility model relates to the technical field of intelligent door locks, in particular to an emergency power supply device for wireless charging of an intelligent lock, which comprises an outer lock body and an emergency power supply structure, a mounting groove is arranged at the bottom end of the outer lock body, and a connecting column is arranged in the mounting groove; the emergency power supply structure comprises a bottom shell, a top cover, a contact metal column and a shifting plate, wherein the bottom shell is provided with a mounting cavity for accommodating a standby lithium battery and a wireless charging module. The bottom shell inserting strips are matched with the inserting grooves of the mounting grooves, the positioning magnetic columns are attracted to the magnetic attraction metal blocks, and the connecting columns are in butt joint with the inserting holes, so that stable mounting and quick inserting and pulling of the emergency power supply structure are achieved. During use, the shifting plate is shifted to drive the baffle plate, so that connection and disconnection between the contact metal column and the connecting column can be controlled. When the shifting plate moves leftwards, the baffle blocks the contact metal column and the connecting column, a circuit is cut off, and electric quantity loss is avoided; and the shifting plate moves rightwards, the contact metal column pops out to make contact with the connecting column, the standby lithium battery supplies power to the outer lock body emergently, it is ensured that the intelligent lock is normally opened in emergency, and charging convenience and emergency power supply efficiency are effectively improved.

The utility model relates to the technical field of butterfly valves, and discloses a butterfly valve seat with replaceable sealing rings, which comprises a valve seat main body, a sealing ring A and a sealing ring B are arranged in an inner cavity of the valve seat main body, the sealing ring A and the sealing ring B are arranged front and back, and limiting components are arranged between the sealing ring A and the valve seat main body and between the sealing ring B and the valve seat main body. A fastening assembly is arranged between the sealing ring A and the sealing ring B. The limiting assembly comprises trapezoidal grooves formed in the positions, close to the two sides, of the front side of the valve seat body and trapezoidal blocks slidably connected into inner cavities of the trapezoidal grooves, the opposite sides of the trapezoidal blocks are fixedly connected with the sealing ring A, and magnetic blocks A are fixedly installed on the rear sides of the trapezoidal blocks. Under the cooperative use of the limiting assembly, the sealing ring A or the sealing ring B can be magnetically attracted into the inner cavity of the valve seat main body through the arrangement of a trapezoidal block, a magnetic block A and a magnetic block B, and the trapezoidal block is slidably connected into the inner cavity of the trapezoidal groove, so that the sealing ring A can be disassembled and replaced subsequently.

The application belongs to the technical field of coal mill safety equipment, and discloses a medium-speed coal mill coal blocking alarm device, which comprises a controller, an alarm lamp and a sensor, a signal interface and an assembling cavity are respectively arranged on the back of the controller, and an intermediate hole is arranged in the inside of the back of the controller. The gas is pressed into the elastic air bag through the cooperation of the rotating extrusion, the inflation effect after the inside of the elastic air bag is ventilated is utilized, the signal connector maintains good sealing after being sleeved, the air in the signal interface is extracted when the movable plug in the suction assembly is moved by the cooperation of the operation assembly, the signal connector is adsorbed and fixed after being sleeved with the sealing frame under the negative pressure, the stability after actual wiring installation is greatly improved, good plug-in stability can be maintained under external force pulling or vibration effect, the situation of relaxation and disconnection can be effectively avoided, the frequency of arranging artificial maintenance and troubleshooting can be reduced, the use effect is good, and the monitoring and alarm are stable and reliable.

The utility model provides a kind of suspension bridge main cable ventilation pipeline mounting structure, including ventilation pipeline subsection and the cable strand that has been erected around ventilation pipeline subsection lower, the both ends of ventilation pipeline subsection are provided with the spiral segment for being connected with each other, the outside of each cable strand is wound with the wrapping tape for being wound with ventilation pipeline subsection, the outer diameter of spiral segment is less than the outer diameter of ventilation pipeline subsection, and its connection with ventilation pipeline subsection is provided with the limiting ring that is tangent to and fits with surrounding cable strand. By setting wrapping tape on the multiple cable strands below ventilation pipeline subsection, and cooperating with the limiting ring that is tangent to and fits with cable strand, accurate positioning and stable support of ventilation pipeline are realized, effectively preventing deviation or torsion during installation and use process;Limiting ring inscribed circle is consistent with ventilation pipeline outer diameter, to ensure that structure adaptation precision.

The utility model belongs to the technical field of purification devices, and particularly relates to an isosorbide dimethyl ether purification device which comprises a purification device main body, a cover is arranged at the upper end of the purification device main body, a sleeve is fixedly connected in the cover, a connecting pipe is connected in the sleeve in a sliding mode, and the connecting pipe is connected with the purification device main body. The outer side of the sleeve is fixedly connected with a protruding block, and the outer side of the protruding block is rotationally connected with a limiting sleeve. Through the arrangement of components such as the protruding block, the limiting sleeve and the positioning plate, when the connecting pipe and the sleeve are connected in an inserted mode, the limiting sleeve is rotated, the limiting sleeve and the connecting pipe make threaded motion, the limiting sleeve and the connecting pipe make threaded motion, and therefore the connecting pipe and the sleeve are stably connected in an inserted mode; the isosorbide dimethyl ether purification device solves the problem that when the isosorbide dimethyl ether purification device is used for vacuumizing or extracting steam, the connection between the connecting pipe and the sleeve is unstable, and the phenomenon of leakage at the joint is easily caused.

The utility model discloses an excavator hydraulic pump pump cover of improved interaction force structure, including pump cover body, the pump cover body is connected through bolt between pump body, the periphery of pump cover body all movably installs the flap, is located the square groove of flap department on the pump cover body, the guide plate of being located square groove inside is fixedly installed on the flap. According to one embodiment of the present disclosure, by setting the flap, the guide plate, the clamping block and the limiting assembly, when the pump cover body is connected on the pump body through the bolt, the staff can make the flaps around the pump cover body gather each other through the limiting assembly, so that the flap moves to the middle part of the pump cover body, and then the clamping block can be inserted into the reserved slot hole on the surface of the pump body, so that when the pump cover body bears the pressure inside the pump body, the clamping block and the flap can share part of the pressure, reduce the interaction force that the bolt and the pump body thread hole receive, thereby avoiding the bolt excessive fatigue service life reduction.

The application provides a water meter shell detection device, and belongs to the technical field of detection devices. The device solves the problem of low detection precision of the inner contour of the existing water meter shell. The water meter shell detection device comprises a support plate which can be connected to a seat body and abuts against the outer wall of the seat body. The detection device further comprises a detection plate which is inserted into the support plate and can be embedded into the inner cavity of the seat body from the opening. The detection plate abuts against the lower side of the support plate. The outer side wall of the end of the detection plate embedded into the seat body is provided with a U-shaped clamping strip. The detection plate is provided with a U-shaped sealing ring on the clamping strip. The sealing ring can be embedded into a sealing groove, and the outer side wall of the sealing ring is attached to the sealing groove. The detection device further comprises a limiting plug plate which is provided with an insertion arm. One end of the detection plate protrudes from the support plate and is provided with a bayonet on the end. The limiting plug plate is placed on the support plate. The water meter shell detection device can detect water meter shells of different sizes, and improves the practicability of the detection device.

The utility model relates to the technical field of connectors, and discloses a connector structure with a fool-proof function, which comprises a connector body, a fixing assembly is mounted at the bottom of the connector body, and a clamping assembly is mounted at the top of a connecting port. According to the connector structure with the fool-proof function, the first rotating shaft rotates to drive the rotating rod to rotate, so that the clamping position can be adjusted in a rotating mode, the sliding rod slides in the rotating rod to extend, the position of the clamping bolt is adjusted through the rotation of the second rotating shaft, and the clamping position is adjusted. According to the utility model, a screw groove formed in the connector body can be aligned with a screw groove of a fixing block, a first threaded rod penetrates through an adjusting plate and a clamping bolt to be rotationally screwed with the fixing block, so that the clamping bolt can be fixed, and the connector body and a connecting port can be fixed through the arrangement of the assembly, so that the connector body and the connecting port cannot fall off at will, and the service life of the connector body is prolonged. And the practicability is improved.

The utility model relates to the technical field of decoration, and provides an integral corner profile structure suitable for multiple working conditions of a wallboard, when a corner is closed up, the part of a closed-up edge at a bending area can be bent according to the size of the corner, so that the bending area can cover the corner, and a locking piece is propped against a wall surface at the corner; meanwhile, the first fixing edge and the second fixing edge are attached to the two adjacent wall faces of the corner respectively; then, one end of the wall plate is clamped into the insertion grooves in the two sides, and the locking piece is fixed to the end face of the wall plate. Therefore, by means of bending of the closing edge in the bending area, the sectional material structure can be suitable for closing of different corners, and extra cutting and splicing are not needed. Therefore, the construction operation difficulty is reduced, material waste is reduced, and the closing-in delivery requirement is met. Meanwhile, in the fixing process, the wallboard is rapidly and stably installed on the sectional material structure through the inserting grooves and the locking pieces, and therefore the construction time is shortened, and the rework rate is reduced.

The utility model discloses an 18 -pin plug connector with prevent structure, especially relates to the technical field of prevent plug -in spare, including plug -in installation cover and plug -in 18 -pin, the middle part of plug -in installation cover outer end surface is equipped with the limit support cover, the inside of limit support cover is equipped with the plug -in sliding slot, the inside of plug -in sliding slot is equipped with plug -in sliding block, the outside end surface of plug -in sliding block is equipped with annular prevent board in the inside of limit support cover. The utility model discloses practical use, through the corresponding setting state of limit support cover, plug -in sliding block, first sealing washer and second sealing washer, can after the installation and fixation of plug -in installation cover, avoid the contact of plug -in 18 -pin with socket directly, thereby avoid the misplacement of plug -in 18 -pin when plugging, and the staff will pinch the one side of plug -in sliding block outside end surface, and will push plug -in sliding block to the inside of plug -in installation cover, thereby make plug -in 18 -pin steady and insert the inside of socket, make plug -in 18 -pin plugging more stable.

The invention relates to a capacitor protection structure and a capacitor, and relates to the technical field of capacitors. The capacitor protection structure comprises a shell, an upper cover and an electrode terminal. One end of the shell is opened and an accommodating cavity is formed in the shell. A capacitor core group is arranged in the accommodating cavity. The upper cover is arranged at the opening end of the shell in a covering mode, and the upper cover is of a thin plate structure. The electrode terminal comprises a seat body and an insertion rod, the seat body is fixed in the accommodating cavity and is electrically connected with the capacitor core group, and one end of the insertion rod penetrates through the upper cover and is inserted into the seat body. When the upper cover protrudes, the upper cover can drive the plug to move towards a first direction, and the first direction corresponds to the direction, away from the base body, of the plug rod. The capacitor protection structure can improve the problem that explosion is easy to occur when the internal pressure of the capacitor is increased, and improves the safety of the capacitor.

The utility model belongs to the technical field of regeneration devices, and particularly relates to a low-temperature denitration catalyst regeneration device which comprises a regeneration device body, an air outlet pipe is fixedly arranged at the upper end of the regeneration device body, a connecting pipe is inserted into the outer side of the air outlet pipe, and a fixing block is fixedly connected to the upper end of the regeneration device body. A limiting sleeve is rotatably connected to the outer side of the fixing block, a limiting frame is fixedly connected to the outer side of the connecting pipe, a filtering box is fixedly connected to the end, away from the air outlet pipe, of the connecting pipe, and a filtering mechanism is arranged on the filtering box. According to the low-temperature denitration catalyst regeneration device, impurities in poison gas can be filtered and collected through the filter element, the filter element can be conveniently detached and replaced through the pull plate, the clamping rod and other parts, and the problem that when the low-temperature denitration catalyst regeneration device is used, poison gas can be generated after a low-temperature denitration catalyst is heated, and the poison gas cannot be generated is solved. And the surrounding air is easily polluted by direct emission.

The invention discloses a preparation method of a composite material for plugging water burst of a mine hole, and relates to the technical field of preparation of mine hole plugging materials, and the preparation method comprises the following steps: preparing raw materials, mixing dry materials, weighing the raw materials in parts by weight, and proportioning water added into the dry mixture; and constructing and maintaining. Water flow scouring can be effectively resisted, and rapid plugging is achieved; meanwhile, a large amount of fly ash and tailing slag industrial solid wastes are utilized, the raw material cost is remarkably reduced, and the method is green and environment-friendly; the overall performance adapts to complex geological conditions, and the plugging agent is particularly suitable for efficient and reliable plugging and filling of water bursting cracks, goaf and subsidence areas in projects such as mines and tunnels.

The utility model discloses a kind of assembly hole aperture adjustable speed reducer, including speed reducer body and the mounting rack of being fixed in the bottom of speed reducer body, the two sides of the top front face and back of the mounting rack are all provided with locating slot, the bottom of the mounting rack is provided with the through hole being interconnected with locating slot, every group locating slot is all clamped with assembly cylinder, every group assembly cylinder is all provided with assembly hole, the mounting rack is provided with multiple groups and locating slot strip-shaped groove adaptation uses, the structure design of the utility model using assembly hole aperture can switch, can assist assembly cylinder to carry out quick positioning and self-locking, to quickly adapt to the quick docking of the assembly hole on mounting rack according to the aperture of the assembly hole on equipment, improve the assembly adaptation degree of speed reducer body, improve the assembly speed of speed reducer, improve the stability and security when speed reducer body is used.

This utility model provides a quick replacement and maintenance device for air conditioning filters in subway vehicles, relating to the technical field of air conditioning filters in subway vehicles. The utility model includes mounting rails fixedly installed on the inner walls of both sides of the outer casing. A filter body is slidably inserted between the two mounting rails. A handle is fixedly installed on the top surface of the filter body. Vertical grooves are formed on the inner walls of both sides of one of the mounting rails. A baffle plate is slidably connected between the two vertical grooves. A groove is formed on the surface of the baffle plate, and a sliding plate is slidably connected inside the groove. A rod is fixedly installed on the surface of the sliding plate. A matching insertion hole is formed on the inner wall of one of the vertical grooves. This utility model, through its installation device, utilizes the sliding cooperation design between the mounting rails and the filter body, allowing for easy removal and installation of the filter without the need for special tools. The handle facilitates easy pulling, greatly simplifying the operation process.

This utility model discloses an easy-to-install silicone tube, comprising a tube body and a hollow connector. The tube body has insertion portions at both ends with an outer diameter smaller than its own size, coaxially mounted with a first annular magnetic block and spaced-apart annular bodies. The connector has corresponding second annular magnetic blocks and annular slots on the inner walls of the annular grooves at both ends. The first and second annular magnetic blocks form a magnetic connection, and the annular bodies engage with the annular slots. In use, the insertion portions of the tube body and the connector are automatically attracted by the magnetic blocks, allowing for quick guidance and positioning without precise alignment, significantly reducing installation time. The engagement of the annular bodies with the annular slots allows for tool-free fixation, and the spaced distribution of multiple annular bodies and slots further enhances connection stability. This silicone tube innovatively combines magnetic guidance with snap-fit ​​locking, effectively solving the problems of inconvenient installation and unstable connections associated with traditional silicone tubes, significantly improving installation efficiency and reliability, and is suitable for various material conveying scenarios.

The utility model relates to the technical field of electric connection, in particular to a wire end connector, which comprises an insulating seat body, a power connection assembly, a locking assembly and a wiring assembly, a fixed cavity and a wiring cavity are arranged in the insulating seat body, are respectively arranged at two ends of the insulating seat body and are communicated with each other, and the locking assembly is arranged in the fixed cavity. One end of the power connection assembly is arranged in the fixed cavity, and the other end of the power connection assembly extends to the outside of the insulating seat body to form a connecting plug; the wiring assembly is arranged in the wiring cavity and is electrically connected with the power connection assembly; the locking assembly comprises a locking plug-in cavity, a locking supporting table, a locking pressing plate and a locking buckling plate. The locking plug-in cavity is formed in the insulating base and located on one side of the fixing cavity. According to the utility model, the locking object is reliably locked, so that accidental pulling-out caused by shaking and the like in the vehicle-mounted use process is prevented, a stable guarantee is provided for connection between vehicle-mounted equipment, and the reliability and the safety of the whole system are improved.

The utility model discloses a kind of stacking equipment for diamond grinding wheel piece processing, including bottom plate and the universal wheel being set in the bottom four corners of bottom plate, the bottom plate upper side is provided with push-pull rod, the bottom plate upper middle is provided with base, the base is provided with top plate, the top plate is provided with four sliding grooves, the sliding groove inside two sides are respectively provided with sliding block, sliding seat is set in the sliding groove, the sliding seat upper side is provided with locating rod, the pivot on the square plate and the pivot between sliding seat are respectively provided with crank rod, the sliding seat bottom of opposite side two is respectively provided with threaded block, screw rod is set between the threaded block, the one end of screw rod is provided with crank handle. The structure makes locating rod can adapt to the center through-hole size of different specifications diamond grinding wheel piece, so that locating rod can be stably inserted with grinding wheel piece, ensure the accurate positioning and stable support of grinding wheel piece during stacking installation process.

This utility model discloses a modular combined sewage treatment device, including a box, partition, drain pipe, slot, insert, sealing strip, guide seat, sliding frame, compression spring, handle, plug rod, socket, and buckle plate. A partition is fixed to the bottom of the inner wall of the box, and a drain pipe is fixedly connected to the bottom end of the partition. A closed-loop slot is provided around the top of the box, and a closed-loop insert is fixed around the bottom. A closed-loop sealing strip is fixed to the inner wall of the slot. A set of guide seats is fixed at each of the front and rear ends of the bottom of the box, and each set of guide seats is slidably connected to the sliding frame. This utility model utilizes the elastic repulsive force of the compression spring to achieve a stable connection between the plug rod and the socket. Compared with existing technologies, the layered connection is more stable and has a better effect. To disengage the layered connection, manually push the handle to the right, then push it upwards, and then gradually release it to completely detach the plug rod from the socket, which is convenient and quick.

The utility model provides a visual adjustable double sleeve capsule plugging device relates to medical instrument technical field, including bronchial catheter, sleeve capsule subassembly, camera assembly, inflation joint bending structure, bending structure and camera adapter wire, sleeve capsule subassembly sets two groups, is front sleeve capsule and rear sleeve capsule respectively, camera assembly sets two groups, sets up in the both sides of front sleeve capsule, two groups of camera assembly all are connected with camera adapter wire. Through the visual and adjustable function and double sleeve capsule plugging device are combined, make it have visual adjustable and double sleeve capsule's advantage simultaneously, in the process of placing the pipe through the adjustment angle, the airway is not easy to damage, can be adjusted according to the airway shape of patient, free adjustment plugging angle, cooperate double visual function, can switch camera visual angle, can observe the plugging position of plugging device, ensure that plugging is reliable, avoid the problem of difficult positioning and inconvenient use caused by traditional use of fiber bronchoscope.

The utility model relates to a low-voltage cabinet frame circuit breaker insulation partition plate convenient to assemble and disassemble, which comprises a circuit breaker and an insulation partition plate, one end of the insulation partition plate is provided with a fixing mechanism, the fixing mechanism comprises a clamping plate, a clamping block, a sliding column and an extrusion block, the clamping plate is internally provided with an accommodating cavity, and the clamping block is slidably installed in the accommodating cavity. The sliding column is fixedly installed on one side of the clamping block, a sliding groove is formed in the clamping block in a clamped mode, a sliding rod is slidably installed in the sliding groove, the extrusion block is fixedly installed on the peripheral side of the sliding rod, and the extrusion block corresponds to the sliding column. According to the utility model, through the fixing mechanism, a worker can conveniently and rapidly install the main partition plate, so that the main partition plate is stably inserted between the wire inlet and the wire outlet, and the worker can conveniently disassemble the main partition plate, thereby improving the practicability and convenience of the insulation partition plate in use.

The utility model discloses a heat collecting head assembly and stirling refrigerating plant, including a plurality of sets of heat collecting module, the heat collecting module includes connecting cover no.

The utility model belongs to the technical field of spraying devices, and particularly relates to an adjustable spraying device of a closed cooling tower, which comprises a mounting seat, a fixing frame is hinged to the outer side of the mounting seat, a spraying device is fixedly connected to one end, far away from the mounting seat, of the fixing frame, a sliding block is slidably connected into the mounting seat, and the sliding block is fixedly connected with the mounting seat. A hinge frame is fixedly connected to the right side of the sliding block, a connecting rod is hinged to the interior of the hinge frame, a connecting frame is hinged to the end, away from the hinge frame, of the connecting rod, the connecting frame is fixedly connected with spraying equipment, and a threaded rod is rotationally connected to the interior of the mounting base. According to the spraying device of the closed cooling tower, the components such as the sliding block, the threaded rod and the connecting rod are arranged, the sliding block can drive the spraying device to move through the connecting rod by rotating the threaded rod, the angle of the spraying device can be adjusted, and the problems that the spraying device of the closed cooling tower is inconvenient to adjust in use and inconvenient to use are solved.

The utility model provides a plug-in type dustproof cable bridge, which belongs to the technical field of cable bridges and comprises a cable bridge body. The ventilation pipe penetrates through the outer side wall of the cable bridge body; the vertical plugging assembly is arranged on the outer side wall of the cable bridge body; the vertical bearing assembly is arranged at the bottom of the cable bridge body; the horizontal plugging assembly is arranged on the outer wall of one side, adjacent to the vertical plugging assembly, of the cable bridge body; according to the utility model, through mutual cooperation of the vertical plugging assembly and the horizontal plugging assembly, close plugging between adjacent cable bridges can be realized, and limiting is carried out in the vertical direction, the horizontal transverse direction and the horizontal longitudinal direction, so that the plugging positions of the adjacent cable bridges are prevented from loosening and falling off, and stable and firm plugging of the adjacent cable bridges is ensured; when the cable bridge is disassembled and assembled, only vertical butt joint is needed, and screws are not needed, so that the operation is simplified, and the assembling and disassembling efficiency is improved.