43 results about "Simple mode" patented technology

The utility model relates to a test tube bracket with an adjusting function. The test tube bracket comprises a plurality of test tube bodies, a bearing plate and a mounting plate, the bearing plate is provided with two sets of adjusting assemblies which are used for adjusting the height of the mounting plate, wherein the number of each set of adjusting assemblies is two. The adjusting assembly comprises a sleeve, and a sleeve rod is connected in the sleeve in a sleeved mode. According to the test tube support with the adjusting function, by arranging the adjusting mechanism, an operator can limit the sleeve rod or stop limiting the sleeve rod in a simple mode, and then the height of the mounting plate is adjusted, so that the purpose of adapting to test tubes with different lengths is achieved, and convenience is brought to a user to adjust the height of the mounting plate; by arranging the fixing mechanism, when the test tube support is used, the test tube support can be fixed to a table top, and the problems that the test tube support is accidentally impacted, the test tube support topples over, test tubes stored in the test tube support fall off, and then the test tubes are stressed and damaged are solved.

The utility model relates to the field of insect breeding, in particular to a breeding disc sealing and splicing structure for insect breeding and a mounting structure.The sealing and splicing structure comprises a fixing base, a jacking assembly and a sealing strip, the fixing base is arranged on a shelf, the jacking assembly is detachably connected with the fixing base, and the sealing strip is arranged on the fixing base; the sealing strip is arranged on the jacking and pressing assembly, a splicing seam between the sealing strip and the breeding disc is pressed and sealed through the jacking and pressing assembly, and the jacking and pressing assembly at least comprises a pressing plate strip abutting against the sealing strip. The top pressing assembly and the sealing strip are directly and structurally connected with the shelf through the fixing base, and only extrusion connection with the sealing strip exists between the top pressing assembly and the breeding disc, so that the breeding disc and the sealing assembly formed by the fixing base, the top pressing assembly and the sealing strip can be completely independent; therefore, an existing simple mode that the sealing strip is directly arranged at the splicing position of the breeding disc in a sleeving mode is avoided, and the influence of the breeding disc on the sealing strip is reduced.

The utility model belongs to the technical field of sports protectors, and discloses a light-weight quick-release supporting strip which is used for being connected with a barrel-shaped main body of a knee pad or an elbow pad and comprises an elastic body and a connecting mechanism. The first connecting assembly and the second connecting assembly are connected through any one of magnetic attraction connection and buckle connection and are used for connecting the elastic body and the cylindrical main body. The light-weight quick-release supporting strip comprises the elastic body and the connecting mechanism, the connecting mechanism can achieve detachable connection of the elastic body and the cylindrical body, and the mounting position of the first connecting assembly and the mounting position of the second connecting assembly are close to the two ends of the elastic body correspondingly. And the problem of unstable connection caused by bending of the middle part of the elastic body in the use process can be effectively avoided. Meanwhile, the first connecting assembly and the second connecting assembly are connected in a simpler mode, the connecting mode of the elastic body and the cylindrical body is simplified, and quick disassembly of the elastic body and the cylindrical body can be achieved.

The utility model discloses a steel structure net rack, which relates to the field of steel structure components and comprises four groups of second connecting columns, and two groups of first fixing columns are slidably connected to the middle parts of the upper ends of the four groups of second connecting columns. According to the utility model, the first fixing column, the first fixing block and the first supporting rod form a first layer of net rack, and the second fixing column, the second fixing block and the second supporting rod form a second layer of net rack, so that the net rack is stronger in firmness and is more difficult to deform; the first fixing inserting columns are fixed to the two ends of the first supporting rod through the first fixing sleeves, the second fixing inserting columns are inserted into the two ends of the second supporting rod, the second fixing inserting columns are fixed to the two ends of the second supporting rod through the second fixing sleeves, the two layers of net racks are assembled in a simple mode, and the installation efficiency is improved; and the two layers of net racks can be mounted at the same position, so that the two layers of net racks can play a protection role at the same time.

The embodiment of the invention provides a secret key encryption method and device and computer equipment, and the method comprises the steps: fragmenting a secret key, and obtaining secret key fragments; and disorganizing and storing the key fragments. According to the embodiment of the invention, the fragmented secret key (secret key fragments) is disorganized and stored, so that an encryption algorithm is not needed, an illegal visitor can be prevented from obtaining a complete secret key in a simple mode, the protection of the secret key is realized, and the safety of a product is improved.

The casting device comprises a lower die base, the lower surface of the lower die base is fixedly connected with a bottom piece, the upper surface of the bottom piece is fixedly connected with a first hydraulic rod, the top end of the first hydraulic rod is provided with a movable block body, and the back face of the movable block body is fixedly connected with a sand core. According to the casting device with the movable block, molten metal enters the forming cavity from the sprue gate, the movable block body can buckle the inverted buckle position, forming of the inverted buckle groove is facilitated, mold stripping can be conducted after a formed part is formed, the first hydraulic rod can eject the movable block body and the formed part out together during mold stripping, and the movable block body and the formed part can be separated from each other; the forming piece with the movable block main body is taken down, then the movable block main body is taken down and placed into the mold again, and the next forming piece is produced, so that the problem of back-off can be solved in a low-cost and simple mode when the back-off of the sand core mold cannot be changed.

The embodiment of the invention relates to a vehicle component mode switching method, a vehicle and a storage medium, and relates to the technical field of vehicle control, and the method comprises the steps: when a mode switching request for a target vehicle component is received, firstly obtaining target data associated with a mode switching condition corresponding to the target vehicle component, executing judgment logic of a mode switching condition based on the target data, controlling the target vehicle component to be switched to a target mode indicated by the mode switching request when determining that the mode switching condition is met based on the target data, and switching the target vehicle component to a target mode indicated by the mode switching request by introducing at least one of instruction sequence analysis, component state perception and system context safety verification. According to the mode switching method and the mode switching device, the mode switching request can be comprehensively evaluated on at least one of stability, necessity and safety before mode switching, so that mode switching control which exceeds simple mode comparison and is more intelligent, more reliable and safer is realized, and the robustness and the intelligent degree of mode switching are improved.

Systems and methods for changing listen before talk (LBT) for unlicensed networks are provided. In some embodiments, a method performed by a wireless device includes receiving, from a base station, signaling indicating when the wireless device is to use LBT for transmissions; determining, based on the received signaling, whether LBT is to be used for transmissions; and transmitting based on the determination of whether LBT is to be used for transmissions. Some embodiments provide a low-complexity (in terms of signaling overhead and specification impact) approach to adaptively using LBT mechanisms by defining two simple modes for LBT operation (LBT mode and no-LBT mode). Some embodiments reduce the probability of simultaneous transmissions causing collisions by using LBT mode in environments and situations where network performance suffers from collisions and / or interference.

To provide electric power source equipment for thermal processing, which is improved in operability for a worker not skilled in work, and is not suppressed in operability for a skilled worker.SOLUTION: There is provided welding electric power source equipment A1 comprising: a power conversion part 1; a control part 2 controlling the power conversion part 1; and a display part 4 displaying information in a screen of a display device. The control part 2 comprises a display control part 24 which causes the display part 4 to display a parameter display picture on which a plurality of parameters concerning welding are arranged, and a mode switching part 23 which switches between a simple mode and a mode for a skilled worker. The plurality of parameters include a plurality of essential parameters and a plurality of additional parameters. In the simple mode, the display control part 24 causes the display part to display a first picture 9b in which only the plurality of essential parameters are arranged, as the parameter display picture. In the mode for a skilled worker, the display control part causes the display part to display a second picture 9a in which the plurality of essential parameters and the plurality of additional parameters are arranged, as the parameter display picture.SELECTED DRAWING: Figure 2

The invention relates to the technical field of PVD coating, and discloses a PVD coating equipment spraying device convenient for uniform spraying, the spraying device comprises a spraying pipe, one end of the spraying pipe is provided with a nozzle, one end of the spraying pipe is provided with a mounting and dismounting device, the mounting and dismounting device comprises a mounting pipe, the mounting pipe is fixedly connected with one end of the spraying pipe, and the other end of the spraying pipe is fixedly connected with the nozzle. And the surface of the mounting pipe is slidably connected with an external pipe, two mounting grooves are formed in the surface of the mounting pipe, and the inner surfaces of the mounting grooves are fixedly connected with first springs. According to the spraying device convenient for uniform spraying and used for the PVD coating equipment, the problems that internal parts are difficult to operate and damage when a worker installs the spraying device, the parts are complex generally, the parts are easy to damage when the worker operates the spraying device, the operation time is long, the structure is novel, and the cost is low are solved. And a worker can install the pipeline in a simple mode, and the working enthusiasm of the worker is improved.

To perform network distribution of a broadcast service in a simple mode.SOLUTION: The broadcasting company sub-system 100 has an insertion information sending part 140, and the insertion information sending part 140 supplies information for replacing commercial video / audio or video / audio conflicting with copyright with alternative contents to an insertion control part 270 of the communication network distribution sub-system 200. An insertion control section 270 replaces the commercial video / audio and the video / audio in conflict with the copyright with the alternative contents between the cut point and the restart point in the unit of frames. The cut point, the restart point, and the alternative content are supplied from the insertion information sending unit 140 of the broadcaster subsystem 100. Based on the program clock value of the timing at which the last ToT (time offset table) is received in the TS stream, the time (format of year, month, day, hour, minute, second, and millisecond, hereinafter also referred to as frame PTS time) based on the ToT of each frame is obtained, and switching is performed.SELECTED DRAWING: Figure 17

1. The name of the present design product: experimental template configuration graphical user interface of electronic equipment. 2. The use of the present design product: an electronic device. 3. The design points of the present design product: in the graphical user interface. 4. The picture or photo that best indicates the design points: design 1 front view. 5. Design 1 is designated as the basic design. 6. The use of the graphical user interface: for configuring experimental step information and experimental template flow. 7. The human-computer interaction mode of the graphical user interface: design 1 front view is an experimental step template interface, clicking "+" add new" in the upper left of the interface enters design 1 change state diagram 1, the experimental step template addition interface, the basic information of the experimental step template can be filled in, template classification and permission setting operation can be performed in the interface, after the related operation is completed, click "confirm" at the bottom to enter design 1 change state diagram 2, the experimental step template configuration interface, clicking "+" add component" on the right side of the interface can select the required components corresponding to the experimental step, after the component configuration is completed, data recording and simple mode preset operation can be performed in the middle module of the interface, clicking "experimental step details" in the upper right of design 1 change state diagram 2 enters design 1 change state diagram 3, the experimental step details interface, the basic information of the experimental step template can be modified, template classification and permission setting. Design 2 front view is an experimental template list interface, clicking "+" add new" in the upper left of the interface enters design 2 change state diagram 1, the new template interface, the template name can be filled in, the business scope can be selected, and the permission setting operation can be performed, after the related operation is completed, click "confirm" at the bottom to enter design 2 change state diagram 2, the experimental step template flow configuration interface, the left area of the interface is the experimental step template library, which can query and select the required experimental step template corresponding to the experimental template, the right side of the experimental step template library is the experimental flow drawing area, in which area the hierarchical order of experimental steps can be controlled by drag and drop operation, clicking any experimental step of the experimental flow drawing area can enter the experimental step editing interface on the right side of design 2 change state diagram 2 for component editing operation. 8. Other circumstances that need to be explained: the yellow covered area in each view is the content picture, and the appearance design to be protected does not include color.

The invention provides a wireless sensor network transmitter, a transceiver and a state control method, which are applied to the technical field of electric power sensing. The transmitter only comprises repeated coding, a frequency synthesizer and a control switch, a digital-to-analog converter is not needed, the structure of the transmitting end can be effectively simplified, and power consumption is reduced. The receiver only comprises a down-conversion module, an envelope detection module, a moving average module and a frame synchronization module, an analog-to-digital converter is not needed, the structure of the receiving end can be effectively simplified, and power consumption is reduced. The whole transceiver is simple in structure, the sensor communication structure can be greatly simplified, the hardware overhead is reduced, and the sensor size and cost are reduced. According to the wireless communication method, the communication rate and the signal transmission duration can be adjusted through configuration parameters; and different channel environments can be adapted through parameter adjustment, so that the application environment adaptability of the sensor is improved. The state control method is simple in mode and flexible in mode switching, specific function modules are closed in different working modes, normal working of the system is guaranteed, and meanwhile the overall power consumption is reduced.

1. Name of the Design Product: Graphical User Interface for the Execution Logic of Rule Mode Switching in Electronic Devices. 2. Use of the Design Product: The design product is used in an electronic device. 3. Design Key Points of the Design Product: Lies in the graphical user interface. 4. Picture or Photograph that Best Illustrates the Design Key Points: Variation State Diagram 20. 5. Use of the Graphical User Interface: The graphical user interface of the product is a user interaction interface for the execution logic of business rule mode switching. When the simple mode cannot meet the business requirements, it can be switched to the advanced mode to complete the business requirements by writing expressions. The content filled in the simple mode is automatically converted into an expression after switching to the advanced mode. The front view is the initial editing interface diagram of the newly created rule. The "Advanced Mode" of "Rule Execution Conditions" and "Verification Rules" is closed. The conditions added subsequently belong to the addition process in the "Simple Mode". Click the "Add Condition" below "Rule Execution Conditions" in the front view to enter Variation State Diagram 1, where a set of conditions to be configured appears, and four sub-condition boxes appear among the conditions to be configured. Click to expand the first sub-condition box among the conditions to be configured and select the required condition name to enter Variation State Diagram 2; select the required condition name to enter Variation State Diagram 3, and then select the second sub-condition box, the third sub-condition box, and the fourth sub-condition box in sequence. The interface changes as shown in Variation State Diagrams 4 to 6; click the first sub-condition box among a set of conditions to be configured below "Verification Rules" to enter Variation State Diagram 7; select the required condition name and then select the second sub-condition box, the third sub-condition box, and the fourth sub-condition box in sequence. The interface changes as shown in Variation State Diagrams 8 - 11; click "Add Condition" below "Verification Rules" in Variation State Diagram 11 to enter Variation State Diagram 12, where a set of conditions to be configured appears. Repeat the operations from Variation State Diagram 7 to Variation State Diagram 11 to enter Variation State Diagram 13, completing the editing of two conditions, and the two conditions are in an "AND" relationship, completing the condition configuration in the "Simple Mode"; open the advanced mode of "Rule Execution Conditions" in Variation State Diagram 13 to enter Variation State Diagram 14, and the conditions added under the previous "Rule Execution Conditions" are directly automatically converted into expressions; manually enter the "&&" symbol and then click "Insert Function" to enter Variation State Diagram 15; select a function to enter Variation State Diagram 16; click "Insert Variable", select a variable, and after the variable is selected, it is inserted into the specified position and automatically converted into an expression to enter Variation State Diagram 17: after manually entering an expression, enter Variation State Diagram 18; open the advanced mode of "Verification Rules" to enter Variation State Diagram 19, and the conditions added under the previous "Verification Rules" are directly automatically converted into expressions; manually enter the sum function, complete the entry of function parameters, and click the "Test Execution" button to enter Variation State Diagram 20; click "Save" in Variation State Diagram 20 to enter Variation State Diagram 21.

The invention belongs to the technical field of gas turbine compressor structural design, and particularly relates to a gas turbine compressor blade cleaning and inspection hole plugging structure which is installed by means of an inspection hole formed in a compressor casing, the size of the inspection hole can be designed according to the structural installation requirement, and through simple mode switching, the structure is simple and convenient to operate. The compressor blade cleaning device is simple in structure, convenient to use, capable of cleaning compressor blades offline and online, capable of cleaning the compressor blades within a large angle and range, high in cleaning effect and efficiency, capable of integrating the plug function, capable of taking down related structures and checking the inner side of a compressor casing, compact in overall structure and great in convenience.

The present application relates to a control method and a control system for an electric fuel supply pump, the control method including: controlling power supply of an electric fuel supply pump control module based on a state change of an ignition switch of an on-board ignition switch module of a vehicle such that: when the ignition switch transitions from a locked (LOCK) state to an on (ON) state, the on-board ignition switch of the vehicle is switched from the locked state to the on (ON) state; starting the power supply of the control module, and thereby causing the electric fuel supply pump to start operation under the control of the control module; stopping the power supply of the control module and thereby causing the electric fuel supply pump to stop operating when the ignition switch transitions from an ON state to a START state; and when the ignition switch returns from a start (START) state to an ON state, the power supply of the control module is maintained in a stopped state. The problems that an existing electric fuel oil supply pump is not externally controlled, oil supply is too much, an engine control system reports errors and the like are easily caused can be solved in a simple mode.

The invention discloses a method for simplifying the number of floating-point type special-effect key frames in nonlinear editing, and the method comprises the following steps: 1, obtaining a special-effect key frame array of a user side, namely obtaining a coordinate point array which is arranged according to a time sequence, and recording the coordinate point array as an original array; step 2, connecting a head coordinate point and a tail coordinate point of the original array, then judging whether the original array meets a simplification condition, and if so, deleting all coordinate points except the head and tail coordinate points in the array; if the simplified condition is not satisfied, segmenting the original array until the segmented array satisfies the simplified condition; and step 3, recording the head coordinate points and the tail coordinate points of all the divided arrays as effective coordinate points, and further obtaining a simplified special-effect key frame array. According to the method, a large amount of key frame data can be basically eliminated in a simple mode, the number of floating-point type special-effect key frames is reduced, the consumption of storage resources of a system is greatly reduced, and the working efficiency is improved.

The invention belongs to the technical field of rail transit equipment, and particularly relates to a through channel device which is used for a transition area between two interconnected vehicles and at least comprises a folding shed assembly, a top plate assembly arranged on the top face in the folding shed assembly, a floor assembly arranged on the bottom face and wall plate assemblies arranged on the two sides of the folding shed assembly. The wall plate assembly comprises two fixers and a wall plate assembly arranged between the two fixers; the fixer is connected with at least one mounting seat through a hinge seat so as to rotate around the mounting seat; the two ends of the flexible wall plate assembly are connected with the fixator in a hinged mode so that the flexible wall plate assembly can rotate around the central spindle and can slide in the axial direction. The end portions of one side or two sides of the bendable wall plate assembly have rapid locking and unlocking functions, when a vehicle passes through a curve, the outer side distance is increased, the inner side distance is reduced, a center plate of the wall plate assembly has the characteristic of self-recovery after being bent, the wall plate assembly and the fixator are connected in a non-abrasion mode, and meanwhile the overall weight is reduced. The structure is simple, the wallboard assembly is replaced in a simple mode, and the mounting and dismounting steps are simplified.

The invention provides an over-temperature protection method of routing equipment and the routing equipment. The method comprises the following steps: judging whether the number of times of triggering over-temperature restarting by the routing equipment within a first preset time period reaches a first preset value or not; if the temperature of the routing equipment reaches the first preset value, starting in a very simple mode when the routing equipment is restarted, and changing the routing equipment from the very simple mode to a normal mode when the temperature of the routing equipment is detected to be reduced to a second preset value within a second preset time period. By means of the method, it can be guaranteed that hardware damage caused by continuous over-temperature of the equipment is avoided, meanwhile, the minimum operation and maintenance visibility is maintained, and the service life of the equipment is prolonged.

The utility model discloses a portable assembled wooden stool which comprises two groups of side plate frames, a plurality of support plate frames and a top plate frame, the support plate frames are arranged between the two groups of side plate frames, the support plate frames are symmetrically provided with clamping grooves, the side plate frames are provided with clamping holes correspondingly matched and connected with the clamping grooves, and the top plate frame is connected with the top plate frame. The clamping grooves are embedded into the clamping holes, so that the supporting plate frame and the side plate frame are clamped; according to the portable assembly type wooden stool, the side plate frames, the supporting plate frames and the top plate frame are arranged, the supporting plate frames are embedded into the clamping holes of the side plate frames through the clamping grooves, then the top plate frame is matched with the right-angle clamping edges and the outer edges of the side plate frames through the grooves, assembly and use can be completed, on the contrary, rapid disassembly can be achieved through operation, and a single plate frame structure is formed; the portable outdoor lamp can be rapidly assembled and disassembled, has the advantages of being small in occupied space and convenient to carry, is designed in a modern and simple mode, and is suitable for being used in outdoor scenes.

The invention provides a batch task processing method and device and a computer program product. The method comprises the steps that to-be-processed batch tasks are acquired; under the condition that the data processing operation corresponding to the to-be-processed batch task is a multi-step operation, the to-be-processed batch task is executed in a fragmentation mode, the multi-step operation comprises data input, data processing and data output, and the fragmentation mode is a mode supporting the multi-step operation to perform batch data processing; according to the technical scheme, under the condition that the data processing operation corresponding to the to-be-processed batch task is the single-step operation, the to-be-processed batch task is executed in a simple mode, the simple mode is a mode supporting the single-step operation to carry out batch data processing, and the problem that in the prior art, service scene requirements of different complexities cannot be met at the same time is solved.

The utility model relates to the field of connector structures, in particular to a connector structure capable of being quickly installed, which comprises a clamping block mechanism. A groove block mechanism is arranged at the upper end of the clamping block mechanism, a rapid alignment mechanism is arranged on the upper portion of the clamping block mechanism, and a limiting mechanism is arranged on the upper side of the rapid alignment mechanism. The clamping block mechanism and the groove block mechanism are designed in a modularized and simple mode, the manufacturing cost is reduced, the initial installation precision is ensured through the rapid alignment mechanism, the limiting mechanism is used for double limiting, multiple reinforcing is conducted on the device, and the problems that in the prior art, due to the fact that a device depends on manual alignment, the installation steps are tedious, efficiency is low, and cost is high are solved. And a single locking structure is easy to loosen under vibration, tools or professional skills are needed for operation, and the connection stability is insufficient.

To achieve both beauty and strength in a chair whose wooden backrest is fixed to a metallic back support member.SOLUTION: A backrest 3 is wooden, and has its rear face simply spreading without any protrusions or swells in a simple mode. A mounting hole 19 opens on the rear face of the backrest 3, and the backrest 3 is fixed to a front-facing boss body 22 of a back support member 10 via a joint member 18 inserted into the mounting hole 19. The joint member 18 is fixed to an anchor nut 20 embedded in the mounting hole 19 by means of an inner screw 21. The protruding portion 18b and front-facing boss body 22 of the joint member 18 are covered with a resin cover 24. As a result of the joint member 18 being engaged with the backrest 3 and fastened firmly to the backrest 3, the rear face of the backrest 3 can be made a simple single surface and the support strength by the back support member 10 can be secured.SELECTED DRAWING: Figure 2

The invention provides a control method, system and device of air treatment equipment, electronic equipment and a medium. Whether a musical instrument exists or not and whether the musical instrument is a musical instrument needing to be protected or not are determined by recognizing the monitored sound of the musical instrument in the target space, then whether the environmental parameters of the target space meet the environmental protection standard of the musical instrument or not is judged, and the air treatment equipment is operated in the protection mode corresponding to the musical instrument. Therefore, whether the musical instrument needing to be protected exists or not can be efficiently determined in a simple mode, and unnecessary energy consumption can be avoided due to the fact that a protection mechanism is triggered for the musical instrument needing to be protected; moreover, targeted protection can be carried out for different musical instruments, so that the musical instrument protection effect and efficiency are improved, and the user experience is improved.

A built-in electric control lock comprises a lock shell, an outer fluted disc, an inner fluted disc, a spring bolt mechanism and a spring bolt shifting fork are installed in the lock shell, the outer fluted disc or the inner fluted disc rotates in the opening direction or the locking direction, and the spring bolt mechanism retracts or stretches out through transmission of the spring bolt shifting fork; a vertical sliding block capable of moving up and down is arranged on the side edge of the outer fluted disc, the normal state of the vertical sliding block is a lower locking state, and when the vertical sliding block is in the locking state, part of the vertical sliding block is buckled with the outer fluted disc to limit the outer fluted disc to rotate in the opening direction. A pushing mechanism is arranged below the vertical sliding block, the pushing mechanism is controlled by an outdoor electric control decoder, the pushing mechanism can push the vertical sliding block upwards to be in an open state, and after the pushing mechanism stops working, the vertical sliding block is reset downwards to be in a locked state. The mechanical switch capable of limiting rotation of the outer fluted disc and the inner fluted disc in the opening direction is additionally arranged on the basis of the electric control lock, a user can actively select a safe mode or a simple mode only by operating the mechanical switch, and both the safe reliability and the operation simplicity are considered.

The utility model discloses a telescopic electric luggage case, which comprises a case body component, a handle component, a base component, a front wheel component and a rear wheel component, the front wheel component and the rear wheel component are arranged at the bottom, the base component comprises a telescopic outer rod component and a telescopic inner rod component, and a user can extend or contract the base component according to own use requirements. Different use requirements in different scenes are met, and the comfortable driving experience of people with different heights is also met; the shell wraps the handle assembly and the steering assembly, a locking mechanism is arranged in the telescopic inner rod assembly, the telescopic inner rod assembly and the telescopic outer rod assembly are locked through the locking mechanism, stretching and retracting caused by bumping in the driving process are prevented, the product stability is improved, and the good experience of a user is guaranteed; a pulling mechanism connected with the locking mechanism is arranged in the shell, a user manually pokes the pulling mechanism to drive the locking mechanism to move to achieve unlocking, the unlocking device can stretch out and draw back freely after being unlocked, the unlocking mode is simple, and use is convenient and fast.

The utility model belongs to the technical field of dust falling equipment, and relates to dust falling equipment for coal mine construction, which comprises a plurality of three-way joints, a plurality of spray heads, a plurality of bases and a plurality of hose pup joints, a middle connector of each three-way connector is an internal thread connector, and other connectors of each three-way connector are external thread connectors. The nozzle is in threaded connection with an internal thread interface of the three-way joint; each base is provided with a clamp used for clamping and fixing a three-way connector, and the bases can be anchored on the inner wall of a roadway through expansion bolts. And internal thread movable joints which are in threaded connection with the external thread interfaces of the three-way joints are integrally formed at the two ends of each hose pup joint. The dust falling equipment can be installed in a coal mine tunnel to form a full-section water curtain for spraying and dust falling, the long-short mode is changed into the short mode, the complex mode is changed into the simple mode, a single hose pup joint can be conveniently arranged in a penetrating mode in the installation process, and the three-way connector is fixedly installed on the inner wall of the tunnel through a combined structure of the base, the clamp and the expansion bolt. And the installation firmness of the three-way joint and the roadway section water curtain spraying dust-settling mechanism can be ensured.

The invention relates to the technical field of underground tools for sidetrack drilling of oil and gas fields, and discloses a one-trip sidetrack drilling tool for sealing a partition window, which is suitable for sidetrack drilling well repair work of a deep well and an ultra-deep well, completes the workload of multi-trip drilling of a conventional whipstock through one-trip drilling, greatly improves the construction speed and has obvious creation efficiency. Different from a traditional sidetracking well repairing process, in the releasing process between the permanent packer and the anchoring part, the implementation mode of the method is simple, and the stability is higher; in the releasing process, the metal ball can destroy hydraulic circulation generated in the setting process of the permanent packer and establish hydraulic circulation in the hydraulic anchoring process only by means of the gravity effect. A zigzag self-locking structure is used for internal hydraulic connection, and stable structural performance and accurate pressure conduction can be guaranteed. And a symmetrical structure is used inside, so that the equipment is convenient to install, store and maintain in the machining process.

The utility model discloses a quick dismounting installation high pressure connector, it includes the jack of being provided with the jack part, plug and locking mechanism, locking mechanism includes setting in the reset subassembly of jack part, slider assembly and push rod, slider assembly includes slider, setting in the initial guide slot of slider and reset guide slot, the elastic sheet of one end fixedly connected in slider and the other end is provided with the hook part of pull hook and the slide bar of one end fixedly connected in pull hook, is provided with first groove body on reset guide slot, one end of push rod is connected in jack part, and the other end of push rod slides in initial guide slot and reset guide slot, reset subassembly includes reset block and the elastic member of two ends respectively fixed in reset block and slider, and the end face of reset block is set as the inclined plane of sliding connection with slide bar, is provided with the second groove body and push part on plug. The utility model discloses through inserting plug and releasing plug these simple mode can realize plug -in, and its plug -in process is simple, to be convenient for plug -in thereby.