41results about How to "Smooth going" patented technology

A kind of ground consolidation ramming device, the ground ramming technical field, including ramming unit, further include: vertical arm, first ramming plate, receiving slot, let place slot, pivot, rotating seat and second ramming plate, vertical arm is vertically arranged along vertical direction;First ramming plate is vertically and fixedly installed at the bottom end of vertical arm;Receiving slot is provided with two, and two receiving slots are symmetrically opened on the upper surface of second ramming plate.The utility model can flexibly control the folding, unfolding state of second ramming plate at first ramming plate, to adjust the ground ramming contact area;When increasing area, single-time ramming area is larger under the same construction scale, reduces the frequency of repetition, improves construction efficiency;Second ramming plate is retracted to first ramming plate, and ramming area can be reduced, which is convenient for narrow area operation;It can be adjusted according to the ground condition, adapt to complex working conditions, improve the versatility and flexibility of equipment, reduce equipment purchase cost.

This invention discloses an anti-fog and heat-insulating puncture device for thoracoscopic surgery, belonging to the field of medical device technology. Its key technical features include: an outer sheath, with a puncture assembly on its inner wall, the puncture assembly including a puncture needle core that slides through the inner wall of the outer sheath, a needle core handle fixedly connected to the upper end of the puncture needle core, a needle tip fixedly connected to the lower end of the puncture needle core, an outer sheath seat fixedly connected to the upper outer wall of the outer sheath, a fixing handle fixedly connected to the outer wall of the outer sheath seat, and a sealing assembly on the outer wall of the outer sheath seat. This invention achieves heat insulation through a double-layer structure formed by the outer and inner sheaths; gas circulation is formed through the cooperation of the air inlet and outlet holes, effectively expelling fog from the inner wall of the inner sheath and ensuring a clear surgical field; the sealing valve and sealing sleeve achieve internal sealing of the outer sheath to prevent gas leakage; the sealing ring is precisely positioned by positioning pins and positioning holes, and the sealing cap is stably installed by locking blocks and protruding pins, providing double sealing to prevent gas leakage and impurity entry, reducing the risk of infection.

The invention provides a mine surveying and mapping device convenient to move on rugged road conditions, and relates to the technical field of mine surveying and mapping, the mine surveying and mapping device comprises a positioning carrier plate, and a positioning core is mounted in the middle of the top of the positioning carrier plate; a connecting side plate is mounted on the outer side of the rotating sleeve; a fixed supporting plate is mounted on one side of the bottom of the connecting side plate; a surveying and mapping element assembly is mounted at the top of the fixed supporting plate; a guide ring is fixedly mounted on the outer side of the rotating sleeve; two guide sliding blocks are mounted on the guide ring in a sliding manner; buffer protective covers are mounted at the outer ends of the two guide sliding blocks; surveying and mapping personnel can enable the surveying and mapping component assembly to be quickly put into surveying and mapping work or enter a protection state only through simple sliding and rotating operation, the overall working efficiency of mine surveying and mapping is improved, and the problem that measuring components of a surveying and mapping device need to be detached and placed in a special storage box is solved. The working efficiency of mine surveying and mapping is greatly reduced due to the mounting and dismounting operation of the surveying and mapping device.

The invention relates to the technical field of stress simulation, and discloses a movable fire resistance test furnace with a stress simulation device, which comprises a test furnace, a first test tank and a second test tank, a tension test rod and a torsion test rod are symmetrically arranged in each of the first test groove and the second test groove, a driving assembly and a clamping assembly are arranged in the test furnace, and the driving assembly comprises eight positioning blocks; through the design of the double independent test grooves, different temperatures or the same tensile force can be synchronously applied, a contrast test can be carried out on two samples, and contrast data of fire resistance and stress performance can be rapidly obtained. Self-adaptive adjustment is achieved through cooperation of the helical tooth transmission rod and the arc-shaped helical rack set, even if one side of the special-shaped sample is clamped firstly, the clamping plate on the other side can still be driven to continuously move till the special-shaped sample is stably fixed, the clamping universality and stability are greatly improved, and it is guaranteed that the special-shaped sample is stressed in a balanced mode in the testing process.

The utility model relates to the technical field of pipeline laying, and discloses an automatic laying device for power pipeline construction, which comprises a machine body, a motor is fixedly connected to the rear end of the right side of the top of the machine body, rotating rods are rotatably connected to the upper and lower ends of the front and rear sides of the inner wall of the machine body, and a driving chain wheel is fixedly connected to the right end of the rotating rod at the lower end of the rear side; a driven chain wheel is fixedly connected to the right end of the rotating rod at the lower end of the front side, the driven chain wheel is in transmission connection with the driving chain wheel through a chain, transmission belts are rotationally connected to the outer walls of the multiple rotating rods, and a plurality of fixing buckles are fixedly connected to the outer walls of the two transmission belts at equal intervals; the left side and the right side of the machine body are each provided with a multi-terrain moving mechanism. According to the pipeline laying device, the motor drives the transmission belt and the fixing buckle to limit the pipeline through the driving chain wheel, the chain, the driven chain wheel and the rotating rod, so that the pipeline is uniformly conveyed downwards to be laid, and the effect of automatically and uniformly laying the pipeline is achieved.

The present application relates to a drilling parameter optimization method based on a variational autoencoder artificial intelligence model, comprising the following steps: first, collecting drilling engineering parameter data, logging data and drilling fluid performance data; performing data preprocessing on the collected well history data, which includes data screening, outlier processing and data standardization processing, and finally obtaining the preprocessed drilling engineering parameter data, logging data and drilling fluid performance data. The preprocessed data is used as input to construct and train an unsupervised variational autoencoder artificial intelligence model, and the hidden variable space feature variable is output. The hidden variable space feature variable is associated with the mechanical drilling speed to realize the recommendation of the optimal drilling parameter combination from the target mechanical drilling speed to the hidden variable space feature variable. The present application can more accurately and conveniently recommend the optimal drilling parameters at different well sections, thereby ensuring the smooth development of drilling speed and efficiency improvement.

This invention belongs to the technical field of bearing production equipment, and particularly relates to a fully automatic bearing retainer laser cladding equipment. It includes a worktable, with two sets of feeding and discharging conveyor belts arranged side-by-side on the outer side of the worktable above the protective housing. These belts are used for receiving workpieces input inward and output outward. A transverse feeding mechanism is installed on the worktable above the discharging conveyor belt. A linkage drive assembly is provided between the transverse and longitudinal feeding mechanisms. A tilting mechanism is installed on the worktable below the laser cladding assembly, and a clamping mechanism is installed below the worktable corresponding to the auxiliary feeding mechanism. This invention is rationally designed, simple in structure, and easy to process. It integrates automatic feeding, laser cladding, and unloading functions, improving the linkage between equipment, ensuring smooth production, reducing labor intensity, guaranteeing processing progress, and meeting usage requirements.

The utility model belongs to the technical field of cooking equipment, and particularly relates to cooking equipment for processing polygonatum sibiricum tea, which comprises a barrel body, a support is fixedly connected to the outer side of the barrel body, a heating device is arranged on the outer side of the barrel body, a top plate is slidably connected to the inside of the barrel body, and a guide rod is fixedly connected to the lower end of the top plate. The guide rod is slidably connected with the can body, and the lower end of the guide rod is fixedly connected with a connecting plate. The filter screen is arranged to effectively filter residues, and meanwhile, the top plate, the threaded rod and other components are arranged. When residues in the barrel body need to be cleaned, the threaded rod is rotated, and the threaded rod and the barrel body generate threaded motion, so that the filter screen is driven to move towards the upper end of the barrel body, and the residues are concentrated and convenient to clean. By means of the design, the conditions that residues are difficult to take out and inconvenient to clean in the using process of the polygonatum sibiricum tea processing and boiling equipment are effectively improved, the residue cleaning process is easier and more efficient, and it is guaranteed that follow-up boiling work is smoothly carried out.

The utility model relates to ecological slope covering technology field, and disclose a kind of intelligent ecological scene closing slope covering compaction device, including mobile base, and the movable wheel outer surface of its bottom two sides is equipped with protrusion, can enhance the grip of in the slope topography, guarantee device stable movement to work area, protective shell is installed on the isolation support plate of mobile base top end, and the hydraulic cylinder of inside symmetrical arrangement is connected with guide isolation plate by piston shaft, guide block and guide groove sliding fit, ensure that the process of pressing accurate and stable, compaction component is installed in the bottom of guide isolation plate, and hydraulic cylinder promotes guide isolation plate to move down, and compression reset spring makes covering compaction roller contact covering, and continuously pressurizing enhances compaction effect, covering compaction roller can rotate and roll compaction, meet topography undulation, telescopic column and reset spring synergistic effect, realize self-adapting and fitting compaction, hydraulic cylinder contracts, and lifting compaction roller under the action of reset spring, it is convenient for device to change scene, efficiently complete slope covering compaction work.

A handover method, apparatus, storage medium, terminal device, and network device are disclosed. The handover method includes: receiving group handover conditions for at least one candidate network device, wherein the group handover conditions indicate a PC5 interface signal quality threshold for a relay terminal device and its serving edge terminal device to perform group handover to the candidate network device; selecting a target network device from the at least one candidate network device; and determining whether to carry out group handover to the target network device based on the PC5 interface signal quality of each serving edge terminal device and the group handover conditions of the target network device. This application's solution enables smooth group handover even when the PC5 interface signal quality between the relay terminal device and its serving edge terminal device may change.

The application provides a communication method and device and a computer readable storage medium. The communication method comprises the following steps: receiving configuration information of a first uplink signal; and receiving the first uplink signal, wherein the first uplink signal is obtained according to the configuration information of the first uplink signal, and the first uplink signal is used for sensing. The application provides a scheme for realizing sensing between terminal devices in the case where sidelink communication is not supported, and ensures the smooth development of sensing services.

The utility model relates to color sorter technical field discloses a kind of plastic sorting photoelectric positioning adjusting equipment, including cabinet and pillar, the inside of the cabinet is provided with distinguishing mechanism, the inside fixedly connected with two supports of the cabinet, the top fixedly connected with fixed frame of the cabinet, the inside of the fixed frame is provided with vibrating mechanism, the distinguishing mechanism includes servo motor one, the bottom fixedly connected in the top of pillar of servo motor one, the inner wall of the cabinet is fixedly connected with fence, the right side fixedly connected with isolation plate of the fence, the front side of the isolation plate is provided with adjusting assembly, the outer wall fixedly connected with baffle of the fence.In the utility model, through servo motor drive round plate rotation, drive the plastic in fence with round plate movement, plastic realizes uniform flow through the gap between isolation plate and fence, adjusting assembly is adapted to different specifications plastic by adjusting angle position.

The utility model relates to the field of fabric processing, and discloses a textile fabric immersion box which comprises a box body, a feeding roller is arranged on the left portion of the box body, a receiving roller is arranged on the right portion of the box body, a guide roller assembly is arranged on the inner wall of the box body, an immersion mechanism is arranged on the inner wall of the box body, and the immersion mechanism comprises a water flow impact assembly. And the water flow impact assembly comprises a shell and a flapping rod, the shell is fixedly connected to the upper surface of the inner wall of the box body, and the flapping rod is rotationally connected to the inner wall of the box body. According to the textile fabric soaking device, the water flow impact assembly is arranged, the wetting effect of liquid on textile fabric is improved through the impact force of water flow, meanwhile, the beating rods alternately beat the fabric during rotation, tiny bubbles in the fabric are removed, the soaking effect of the fabric is improved, and fabric deviation caused by water flow impact can be effectively overcome; the cloth stably advances close to the guide path, and the practicability of the device is further improved.

The invention provides an automatic cleaning device for a pool. The automatic cleaning device comprises a main body, a filtering assembly and at least one one-way valve. The main body comprises at least one bottom water inlet, at least one water surface water inlet and at least one first water outlet. The bottom water inlet is used for enabling liquid to enter the automatic pool cleaning device so that the automatic pool cleaning device can clean the bottom or the side wall of the pool. The water surface water inlet is used for enabling liquid to enter the automatic pool cleaning device so that the automatic pool cleaning device can clean the water surface of the pool. The filtering assembly is used for filtering liquid entering the automatic cleaning device for the water pool. The one-way valve is movably installed at the first water outlet. When water surface cleaning work is carried out, water flow can enter the filtering assembly from the water surface water inlet, and the water flow filtered by the filtering assembly can flow out of the first water outlet through the one-way valve; when underwater cleaning work is carried out, the one-way valve closes the first water drainage opening so as to prevent water flow filtered by the filtering assembly from flowing out of the first water drainage opening.

This invention discloses an inoculum and a method for the instantaneous transformation of camphor trees, relating to the field of instantaneous transformation technology of camphor trees. The method for the instantaneous transformation of camphor trees is characterized by: camphor tree cultivation, taking camphor leaves; the camphor leaves being washed and then inoculated with the aforementioned inoculum. The viability of Agrobacterium varies significantly at different growth stages. The amplified bacterial solutions at different growth stages are centrifuged, and the concentration of the inoculum is adjusted using a lysate. After inoculating the camphor leaves, they are placed in an incubator for co-cultivation, and the Ca2+ level is measured. 2+ The fluorescence intensity analysis clarified key technologies such as suitable infection methods, Agrobacterium state, infection solution concentration, and co-culture time for camphor trees, which is of great value for promoting the smooth development of molecular biology research and molecular breeding of camphor trees.

This invention provides a positioning support for downhole control measurement, comprising a positioning base plate, a positioning stake at the top center of the positioning base plate, and several stabilizing columns at the bottom. A positioning reflector is sleeved on the top of the positioning stake, and an illumination lamp is provided parallel to the side of the positioning reflector. Several screw posts are provided on both the top and bottom of the positioning base plate, and the screw posts on the top of the positioning base plate are all equipped with studs. The illumination lamp is sleeved on any one of the studs. The stabilizing columns are connected to the positioning base plate through the screw posts. This invention simplifies the measurement process, reduces the workload of measurement personnel, reduces the impact of wind on measurement work, enables rapid location of target points in dim environments, improves work efficiency, and has strong practicality.

This application provides an ion implanter, including a vacuum chamber, a temperature probe, and a lead tube. The vacuum chamber contains a target disk for supporting a wafer. The temperature probe includes a temperature sensor, a metal shield, and a cable. The temperature sensor is a non-contact type, mounted on the inner wall of the vacuum chamber and aligned with the surface of the wafer supported on the target disk. The metal shield covers the outside of the temperature sensor to shield it from interference from the ion beam. The cable transmits power and signals to the temperature sensor. The lead tube, a tubular structure, extends through the vacuum chamber to lead the temperature probe cable to the outside of the vacuum chamber. This application's technical solution enables real-time, reliable, and accurate temperature monitoring of the wafer supported on the target disk, ensuring that operators can promptly obtain the wafer's true temperature status and take rapid action in case of abnormal temperature increases to prevent damage to the wafer.

The application discloses a kind of fire field in-attack personnel safety control system and method, belong to the technical field of fire extinguishing, wherein safety control system includes host computer, mobile terminal and breathing apparatus, the host computer includes single-chip microcomputer module, RFID module and bluetooth module, the RFID module, the bluetooth module are connected with the single-chip microcomputer module, the bluetooth module is used to communicate with the mobile terminal, the mobile terminal has App application software and database;The breathing apparatus includes face guard, gas pipe and oxygen tank, the gas pipe is connected between the face guard and the oxygen tank, control unit is installed on the gas pipe, the control unit is used to control the on-off of the gas pipe, and the control unit is identified and controlled by the RFID module.The application solves the problems of existing safety control system, such as complicated operation, recording risk vulnerability, inconvenience, limited information recording capacity and high energy consumption, thereby ensuring the smooth development of in-attack personnel safety control work.

This utility model relates to the field of environmental protection testing technology, and its purpose is to provide a sample transport device for environmental protection testing. The device includes a base plate, a support component on the base plate, a storage component on the support component, a limiting component between the support component and the storage component, a sealing component on the storage component, and an installation component on the outer wall of the base plate. The support component and the limiting component cooperate to stabilize the storage component and prevent sample spillage. A sealing strip in the sealing component is embedded in a sealing groove and tightened with a sealing nut, effectively isolating the sample from the external environment and ensuring sample quality. The installation component has a simple design, facilitating quick installation and disassembly, reducing operational difficulty and time costs. Overall, it improves the stability, safety, and convenience of sample transport, ensuring the smooth operation of environmental protection testing.

This utility model discloses a trench backfill structure, relating to the field of building engineering technology, comprising: a wall layer laid on the outside of the slope protection piles, extending along the height direction of the slope protection piles, with a filling space between the wall layer and the slope protection piles; a filling layer laid in the filling space and adhering to the wall layer and the slope protection piles, with the filling layer and the wall layer laid at the same height; and a waterproof layer and protective layer interface covering the side of the wall layer facing away from the filling layer. Compared with traditional plain soil backfill construction structures, the trench backfill structure provided by this utility model eliminates the need for plain soil compaction during construction, while solving the problems of unreliable compaction quality, high construction difficulty due to small working surface, and high requirements for soil materials in existing plain soil backfill construction. Furthermore, it ensures that the basement structural interface is constructed simultaneously with the trench and waterproofing. Therefore, the trench backfill structure provided by this utility model not only enhances the quality of trench backfilling but also saves overall time costs.

The utility model relates to flange assembly technical field especially is a kind of large-diameter butt joint flange assembly, including flange, flange inner side is inserted with sleeve joint component, sleeve joint component one side is fixedly connected with support component, and support component one end is installed with positioning component, and sleeve joint component inner side is installed with bolt, sleeve joint component includes sleeve plate, sleeve groove is set up in the inner side of sleeve plate, and sleeve plate one side is fixedly connected with insert sleeve, and fixed hole is set up in the inner side of sleeve plate and insert sleeve, support component includes support, and embedding slot and screw hole are set up in the inner side of support, and handle screw rod is spirally connected in the inner side of screw hole, and handle screw rod one end is fixedly connected with limit ring, and positioning component includes pressing plate, and rotating hole is set up in the inner side of pressing plate, in the utility model, this large-diameter flange positioning device breaks through traditional tooling environment limit, reduces the threshold of use in narrow space, is convenient for carrying debugging, avoids interference with other objects, and ensures that butt joint operation is smoothly carried out.

This invention relates to the field of anti-corrosion spraying for large tunnels, and discloses an intelligent integrated control system for polymer sealing layers in tunnel-type gas storage facilities. This system addresses the problems of poor adaptability, low film thickness accuracy, lack of automatic correction, and poor data traceability in existing equipment. The system uses a PLC as the core control unit, integrating modules for automatic speed calculation, gyroscope-based correction and steering, data recording and export, and actuators. It achieves precise film thickness control by establishing a material-time-velocity correlation model, and performs graded automatic correction based on gyroscope and multi-sensor fusion closed-loop feedback. It also supports formula management, full-process data recording, and USB flash drive export. This invention achieves automated spraying of the sealing layer across the entire cross-section of large artificial tunnels, with small film thickness deviation and minimal heading offset. It is suitable for large tunnels and solves the technical problems of low film thickness control accuracy and poor heading stability in the construction of polymer sealing layers in large artificial tunnels, improving the uniformity of the sealing layer film formation and the continuity of construction.

The utility model provides a kind of battery assembly and battery, battery assembly includes a pair of adapter sheet, bandage and multiple electric core, multiple electric core is stacked to form electric core group, positive pole lug and negative pole lug respectively have bending structure, bending structure is stacked in the top surface of adapter sheet, bandage has the connecting section extending along the electric core stacking direction and the fixed section being set to the both ends of connecting section, connecting section is set to the top surface of electric core group and covers bending structure, fixed section is set to the two big surfaces of electric core group two sides along the direction of multiple electric core stacking, connecting section has and communicates with the liquid injection hole opposite and the liquid passing hole on it.The bandage of the application is set to the top surface and two big surfaces of electric core group, and then fixed and bound electric core group by bandage, to ensure the stability of the structure of electric core group, and then the problem that the battery in the prior art exists inconveniently overcome due to diaphragm fluffy leads to the performance of battery and the safety of use is affected can be solved.

The invention provides a deepwater pre-pressing sampling device which comprises a winder, and a sampling mechanism is fixedly mounted at the bottom of the winder; the sampling mechanism comprises a sampling box, physical automatic sampling modules are fixedly installed on the front face and the back face of the sampling box at equal intervals in a linear arrangement mode, an exhaust valve is fixedly installed in the middle of one side of a pressure pipe, and a sampling sealing switching module is fixedly installed in the middle of the bottom of the sampling box; according to the technical scheme, through the pre-pressing sealing mechanism and the auxiliary pressure relief assembly, surface water is prevented from being mixed when the sampling box sinks, and a deepwater water sample is true; by combining an electric control triggering part and a pure mechanical sampling module, remote and rapid batch sampling can be realized when electric energy exists, and automatic sampling can be realized by presetting parameters when no electric energy exists; the pure mechanical module can better support complete power failure, multi-depth one-time sampling is automatically completed through water pressure after the pressure is preset, the problems that in the prior art, water samples are not real, power supply is relied, and sampling is difficult without power are solved, and the environmental adaptability is improved.

The application discloses a kind of no outer tube type air leakage prevention devices for rectal minimally invasive treatment, including fixed part, plug into balloon, lens barrel cannula and inflation and deflation balloon, wherein the shape of the plug into balloon is hemispherical, and the end surface of the plug into balloon is connected to the middle part of the fixed part;The lens barrel cannula is connected through the middle part of the fixed part and the plug into balloon;The inflation and deflation balloon is connected to the outer surface of the fixed part away from the plug into balloon, and communicates with the plug into balloon.The application is flexible and convenient to adjust, does not contain exposed pipe fittings, is convenient for lens barrel kit operation, has good applicability, and is safe and comfortable to use.

The utility model belongs to the technical field of bearing detection, and particularly relates to an insulating bearing outer ring insulating layer detection device which comprises a tension tester body used for detecting an insulating bearing outer ring insulating layer, a clamping mechanism playing an auxiliary clamping role on a workpiece is arranged on the rear side of a carrying frame, and the clamping mechanism comprises an installation frame. A transverse frame designed in a concave shape is arranged above the mounting frame, a universal frame is arranged at the end of the transverse frame, a supporting rod designed in a concave shape is arranged on one side of the universal frame and connected with the universal frame in a pluggable mode, and an adjusting block is arranged on the outer side of the supporting rod; a bearing ring is placed on the supporting rod located between the left adjusting block and the right adjusting block, and fastening screws are arranged on the outer sides of the adjusting blocks. The auxiliary clamping device is reasonable in design, simple in structure and convenient to machine, auxiliary clamping of the workpiece to be detected can be achieved, it is guaranteed that detection work is smoothly carried out, the workpiece is prevented from falling off, safety is guaranteed, and the use requirement is met.

The utility model relates to the technical field of electric power engineering, in particular to an insulating operating rod with a cluster parachute protection function. The utility model relates to an insulating operating rod with a cluster parachute protection function, which comprises a first operating rod and a second operating rod, the top of the first operating rod is provided with an operating head, the middle part is provided with an insulating umbrella group, and the bottom is provided with a first detachable connection structure. A second detachable connecting structure is arranged at the top of the second operating rod, and a grip is arranged at the bottom of the second operating rod; the first operating rod and the second operating rod are detachably connected through the first detachable connecting structure and the second detachable connecting structure. According to the utility model, the insulating performance is obviously improved by arranging the insulating umbrella group, the use flexibility is enhanced by detachable connection, the operation head and the grip are matched to ensure accurate and stable operation and anti-skid insulation, and the main body of the rod body is made of epoxy glass fiber reinforced plastic to ensure firmness and durability; the whole device has outstanding advantages in the aspects of guaranteeing the safety of operators, improving the power operation efficiency, reducing the use cost and the like.

The utility model discloses self-propagating combustion synthesis equipment with forward high-voltage driving, which comprises a furnace body and a furnace cover, and an igniter, a resistance heater and a forward high-voltage driving device are arranged in the furnace body; the furnace body comprises an inner furnace body and an outer furnace body connected to the outer side of the inner furnace body in a sleeving mode, an interval cavity is formed between the outer wall of the inner furnace body and the inner wall of the outer furnace body, and the forward high-pressure driving device comprises an air inlet valve arranged on the outer furnace body and communicated with the interval cavity, a forward pressure driving air inlet pipe, a vacuum valve communicated with the inner furnace body and an air outlet valve. According to the utility model, the activation efficiency of reactants and the overall efficiency of combustion synthesis can be effectively improved, a specific atmosphere environment required by reaction is provided, the mixing and diffusion of the reactants are powerfully promoted, and the effective collision frequency between the reactants is increased, so that the reaction which is difficult to carry out originally can be smoothly carried out; and the practicability of the self-propagating combustion synthesis technology is expanded.

The invention discloses a quick connector and an anti-falling device of a fire hose, and belongs to the field of fire fighting appliances. A quick coupling and anti-falling device of a fire hose comprises a water pipe connector and a spray head, a first perforated block is slidably connected to the interior of the water pipe connector, a first spring is fixedly connected between the rear surface of the first perforated block and the right side of the interior of the water pipe connector, and a first wedge-shaped sealing head is fixedly connected to the front end of the first perforated block; according to the device, the emergency response efficiency of fire-fighting operation can be greatly improved, meanwhile, the hidden danger of water leakage is effectively avoided, and smooth implementation of fire-fighting operation is guaranteed. In a fire-fighting emergency scene, time is life, traditional connector connection often needs tedious operation, and precious emergency time is consumed, however, quick alignment and clamping of the connector and the spray head are achieved by optimizing the structural design of the device.