32results about How to "Quick installation and fixing" patented technology

This utility model discloses a heat sink fixing device for a computer chassis, including a screw mounting platform, an XYZ screw moving component, a screw hole detection camera, and a screw mounting component. The screw mounting platform is located near the chassis conveying assembly. The fixing part of the XYZ screw moving component is fixedly mounted on the screw mounting platform. The screw hole detection camera and the screw mounting component are both fixedly mounted on the output part of the XYZ screw moving component and both mate with the chassis on the positioning and pressing platform of the chassis conveying assembly. The screw hole detection camera detects the position of the screw holes, and then the screw mounting component picks up and installs the screws. This allows for quick and easy fixing of the heat sink inside the chassis, thus achieving automated installation.

The utility model discloses a plant LED lighting lamp of quick assembly can, including lamp shell main part, the inside of lamp shell main part is provided with the mounting groove, the inside embedding installation of mounting groove has LED lamp body structure, between LED lamp body structure and lamp shell main part is detachable structure, the bottom of lamp shell main part is installed with support base, and between support base and lamp shell main part is detachable structure, the front end surface detachable installation of LED lamp body structure has transparent decorative board. The utility model discloses through embedding installation fixed in the inside of lamp shell main part with LED lamp body structure, through the quick jointing of the clamping block and the slot structure of groove structure, has the advantage that installation dismounts convenient and fast, adopts screw groove structure simultaneously, can carry out quick alignment fixed with transparent decorative board and LED lamp body structure, and the bolt reinforcing connection between lamp shell main part and support base is realized, realizes the quick assembly fixed of whole plant LED lighting lamp, has the advantage that the assembly forming speed is fast.

The utility model discloses a new -type stepping motor structure is internally provided with stator subassembly, rotor subassembly in its motor shell, and the motor rotating shaft is arranged in the core part of rotor subassembly, and the front bearing hole position of the front bearing seat of motor shell front side is internally provided with the front ball bearing, and the motor rotating shaft is rotatably connected with the front bearing seat through the front ball bearing, the rear bearing hole position of the rear bearing seat of motor shell rear side is internally provided with the rear ball bearing, and the rear end of motor rotating shaft is rotatably connected with the rear bearing seat through the rear ball bearing, and the front end of motor rotating shaft penetrates the front bearing hole position and extends to the front end side of front bearing seat, and the front end of front bearing seat is provided with cylindrical connecting portion, and the cylindrical connecting portion is the integral structure with front bearing seat, and the outer circumferential surface of cylindrical connecting portion is provided with outer thread, and the front bearing hole position extends to the inside of cylindrical connecting portion, and the compression spring is arranged in the rear side of front ball bearing in the front bearing hole position. Through the above structure design, the utility model has the advantages of novel design, compact structure and convenient and fast installation.

This utility model relates to the field of glass door handle technology, and discloses a bathroom glass door handle, including an L-shaped post. Multiple slots are equidistantly arranged on the front side of the L-shaped post. Insert blocks are slidably connected inside each of the slots. Clamping plates are fixedly connected to the front ends of each of the insert blocks. A pre-drilled hole is provided in the middle of the front side of the L-shaped post. A bolt is rotatably connected to the front side of the clamping plate. The rear end of the bolt passes through the clamping plate and is rotatably connected inside the pre-drilled hole. Sliding grooves are provided on the rear outer walls of each of the insert blocks, and springs are fixedly connected inside each of the sliding grooves. In this utility model, the position of the clamping plate is adjusted by sliding the insert blocks within the slots to adapt to glass doors of different thicknesses. After the spring is compressed and retracted, the insert blocks are fully inserted. A limiter engages with the groove under the spring force. Then, rotating the bolt pushes the clamping plate within the pre-drilled hole to clamp the glass door, enabling quick and easy installation and fixing of the handle.

This utility model provides a wheat irrigation device, belonging to the field of agricultural irrigation technology. The device is characterized by comprising an irrigation main pipe and a water distribution component. The irrigation main pipe is a hollow water pipe with an inlet connected to the bottom of its side wall and the top connected to the water distribution component. The water distribution component is used to rotate and distribute the water in the irrigation main pipe. The water distribution component includes a water distribution connecting rod and a water distribution turntable. The turntable is a cylindrical structure with a hollow interior, and has outlets on its side wall and bottom. The water distribution connecting rod is located at the center of its bottom. The connecting rod is also cylindrical and its bottom is nested within the inner wall of the top of the irrigation main pipe, rotatably connected to it. The connecting rod has a water distribution structure inside, used to divide the water flow into multiple streams. This utility model requires no additional energy and can irrigate wheat through rotation, facilitating agricultural operations.

The utility model discloses a kind of landslope anti-landslide structures, including landslope slope body, first concrete dike, second concrete dike and side slope protection net, the upper cement drainage ditch is opened in the top of landslope slope body, the fixed pressing plate is attached to the upper end of side slope protection net, and fixed pressing column for positioning is set on side slope protection net, fixed pressing column is composed of fixed connecting rod, fixed pressing block and anti-escape pin combination.The landslope anti-landslide structure, rainwater on the landslope slope body can be promptly discharged outward, prevent rainwater from causing impact to the soil of landslope slope body surface to cause soil erosion, side slope protection net is laid on landslope slope body, can block the soil on the surface of landslope slope body, fixed pressing plate is combined to side slope protection net and is pressed tightly positioned, it is convenient to the quick installation and fixation of side slope protection net, the two sides of side slope protection net can be effectively prevented and are raised upwards.

The utility model discloses an embodiment of motor structure can eliminate axial assembly gap, including stator unit, rotor unit, washer subassembly, the stator unit cover in rotor unit one end, the stator unit with the rotor unit surrounds and forms the accommodation cavity, washer subassembly includes the bearing piece of cover in rotor unit one end, installs the bearing cover plate on stator unit, is fixed in the wave washer between bearing piece with bearing cover plate, bearing piece, wave washer is located in the accommodation cavity. The utility model discloses through the assembly mode of bearing piece rear loading, realizes the reservation of axial space required by wave washer, reaches the purpose of eliminating axial gap, can realize quick assembly simultaneously.

The utility model discloses a cutter group structure of an underwater plastic particle cutting device, which relates to the technical field of plastic processing equipment and comprises a moving plate and a cutter head, a motor is fixedly mounted at the upper end of the moving plate, a driving shaft is fixedly mounted at the output end of the motor, one end of the driving shaft is welded with a connecting seat, and the other end of the driving shaft is welded with the cutter head. The cutter head is inserted into the side, away from the driving shaft, of the connecting base. By the adoption of the structure, the blade is inserted into the limiting groove of the tool apron in a limited mode, after the blade is inserted into the limiting groove, limiting of the blade can be directly achieved, the clamping hole corresponds to the inserting rod in position, then the installation plate is inserted into the inserting groove of the tool apron, and meanwhile the inserting rod on the installation plate can be inserted into the clamping hole of the blade through the penetrating hole. And finally, the mounting plate is fixed on the tool apron through a second mounting bolt, and during disassembly, only the second mounting bolt and the mounting plate need to be taken down, so that the blade can be quickly disassembled, assembled and replaced conveniently.

This utility model relates to the field of bridge construction technology, specifically a movable construction basket, including a main frame and a stabilizing mechanism. The main frame has a sliding groove and multiple linearly arrayed positioning holes. A movable frame is slidably connected inside the sliding groove, a connecting frame is mounted on the movable frame, and a toolbox is mounted on the connecting frame. The stabilizing mechanism includes a push block mounted on the movable frame, a fixed plate mounted on the push block, a frame mounted on the fixed plate, a limiting rod slidably connected to the frame, a convex ring coaxially mounted on the limiting rod, first springs with their ends respectively mounted on the convex ring and the frame, two symmetrically distributed stabilizing sliders on the convex ring, and a first handle mounted on the top of the limiting rod. This utility model not only allows for quick fixing of the toolbox but also enables adjustment of the toolbox's position, facilitating worker access to tools and improving the practicality of the basket.

The utility model relates to a clothes processing device. The clothes processing device comprises a box body, a cylinder assembly, a mounting seat, a first filtering device and a second filtering device, the first filtering device comprises a collecting box and a filter screen assembly; a flock collecting cavity is formed in the collecting box, an air inlet is formed in one end of the collecting box, an air outlet is formed in the side wall, close to the two device cavities, in the collecting box, and the second filtering device is arranged between the air outlet and the two device cavities; the second filtering device comprises a filtering frame and a filtering net unit, a collecting groove is formed in the side wall, facing the air outlet, of the filtering frame, the collecting groove is located below the filtering net unit, and air flowing out of the air inlet can sequentially flow through the air inlet, the flock collecting cavity and the air outlet, is sequentially filtered through a filtering net assembly and the filtering net unit and then flows into the two-device cavity. The second filtering device is additionally arranged to form a secondary filtering structure, soft flocks or thread flocks with smaller sizes in the drying process can be filtered, the filtering effect on the soft flocks or the thread flocks is improved, and then the drying efficiency of the whole machine can be improved.

The utility model discloses a range finder for building engineering supervision relates to building engineering surveying technical field, including support pole, adjusting lever and organism, adjusting lever sets up in the inside of support pole, and upper end extends out support pole, and with support pole swing joint, organism sets up in adjusting lever upper end. The utility model discloses through setting up support pole, adjusting lever, organism, quick fixing device, butt -joint cylinder, baffle ring, self -locking assembly, controlling piece, butt -joint piece, rubber antiskid pad, spacing sliding slot and spacing slide's cooperation and use, have improved or solved the RTK measuring instrument of existing to a certain extent when installing and connecting with its adjusting lever is more troublesome, needs repeatedly rotating, installs and connects through the cooperation of screw thread, this not only time -consuming, influences its installation and subsequent disassembly and storage's work efficiency, and long -term screwing or screwing skewing over force, also easy to cause the problem of silk damage equipment.

This utility model discloses a blade ring locking type bearing temperature sensor, aiming to solve the problems of high processing difficulty, poor compatibility when installed on bearings, and complex sensor installation of traditional temperature sensors. The blade ring locking type bearing temperature sensor of this utility model includes a sensor body, a blade ring, and a locking assembly. The blade ring is sleeved on the sensor body and disposed within the locking assembly, which is sleeved on the sensor body. The locking assembly is connected to the temperature measuring hole of the bearing, and the end face of the sensor body abuts against the inner wall of the temperature measuring hole. By pressing the blade ring with the locking assembly, the sensor body can be quickly installed and fixed, simplifying the sensor body installation process and improving the efficiency of installation and maintenance. The position of the sensor body relative to the locking assembly and the temperature measuring hole of the bearing is adjustable, reducing the processing precision requirements of the sensor body and the temperature measuring hole of the bearing, and improving the versatility of the sensor body.

This invention discloses an insulated extension arm, relating to the technical field of high-voltage transmission line maintenance equipment. The insulated extension arm includes: an insulated fixing mechanism; a drive mechanism mounted on the insulated fixing mechanism for generating torque; a transmission mechanism mounted on the insulated fixing mechanism and connected to the drive mechanism; and a mounting mechanism mounted on the insulated fixing mechanism. The mounting mechanism includes a linkage unit and a snap-fit ​​unit for mounting the high-voltage electrical work device. When the high-voltage electrical work device is mounted on the mounting mechanism via the snap-fit ​​unit, the torque generated by the drive mechanism can be transmitted to the high-voltage electrical work device through the transmission mechanism and the linkage unit. The insulated extension arm of this invention can transmit power to the end-effector and has good insulation performance, protecting the safety of workers.

The utility model relates to the technical field of medical equipment, and discloses a virus sampling tube temporary storage device which comprises a temporary storage structure, a test tube rack structure and a mounting structure, the test tube rack structure is mounted in the temporary storage structure, the mounting structure is mounted on the test tube rack structure, and the test tube rack structure comprises a turntable, a motor and a test tube rack; the rotating discs are rotatably mounted on two sides of the inner wall of the box body, motor shafts of the motors are fixedly connected with the rotating discs, connecting shafts are rotatably mounted on one sides, away from the rotating discs, of the motors, the test tube racks are connected with the connecting shafts through mounting structures, counterweight strips are symmetrically and fixedly mounted on two sides of the bottom ends of the test tube racks, and slots are formed in the top ends of the test tube racks. According to the test tube rack structure, the flexible switching between the test tube rack filled with test tubes and the test tube rack which is not used is realized through the linkage of the motor, the turntable and the connecting shaft, and the top surface of the test tube rack always faces upwards in the rotating process by matching with the action of the counterweight strip, so that the risks of test tube inclination and sample scattering are effectively avoided.

This utility model discloses a monitoring device for new energy power generation that is easy to install and disassemble. It includes a camera, a connecting rod fixedly connected to the bottom of the camera, an annular groove for limiting the position on the outer wall of the bottom of the connecting rod, a bracket, a cable tray fixedly connected to the upper surface of the bracket, and a mounting hole on the upper surface of the left end of the bracket. The connecting rod is detachably connected to the inside of the mounting hole. This monitoring device for new energy power generation, which is easy to install and disassemble, allows for quick installation and fixation of the camera and bracket without the need for specialized tools or complex operations, through the cooperation of the connecting rod and the mounting hole on the bracket, combined with the limiting position of the U-shaped block at the end of the positioning rod and the annular groove. During disassembly, only the driving component needs to be controlled to move the positioning rod, causing the U-shaped block to disengage from the annular groove, thus easily separating the camera and bracket. This significantly improves installation and disassembly efficiency and reduces labor and time costs.

This utility model provides a tube body installation structure for ITO rotary target cold isostatic pressing tooling, including a base. At least two guide rods are detachably mounted on the base. Each guide rod is equipped with a guide mechanism for installing the tube body of the rotary target mold. The guide mechanism includes a mounting plate perpendicular to the axis of the guide rod and mounted on the outer wall of the guide rod. The mounting plate has a mounting groove, and a guide cylinder adapted to the rotary target mold is fitted inside the mounting groove. This utility model allows for the rapid installation of the rotary target mold and the limiting and guiding of the installed tube body through the guide mechanism, greatly improving the stability of the rotary target mold during powder filling operations and significantly increasing the efficiency of rotary target mold installation and powder filling.

The utility model discloses a kind of reconnaissance vehicle radar quick dismounting device, it is related to reconnaissance vehicle radar field, the utility model includes bottom shell, installation port is set in the inside middle position of bottom shell, and installation seat is inserted in the inside of installation port, the outer wall of installation seat is equipped with multiple locking grooves.The utility model is provided with servo motor, second gear, pivot, first gear, gear ring, rack, locking block and locking groove, when needing to install radar, the installation seat of radar bottom is inserted into installation port inside, then servo motor is started, servo motor work can drive second gear rotation, second gear drives gear ring rotation, gear ring drives first gear rotation, in turn drives rack movement, rack drives locking block movement, so that locking block is inserted into locking groove to lock installation seat, installation seat and radar can be quickly installed and fixed by the mode, to simplify installation step, and improve the dismounting efficiency of radar.

This utility model discloses an indoor decoration dust removal device, including a decoration dust removal fan. A protective cover is fixedly connected to the left side of the decoration dust removal fan, and a fixing block is fixedly connected to the bottom of the left side of the decoration dust removal fan. A first support rod is fixedly connected to the left side of the fixing block. A coupling is movably connected to the bottom of the first support rod via a rotating shaft. A second support rod is movably connected to the bottom of the coupling via a rotating shaft. A dust removal fan base is fixedly connected to the bottom of the second support rod. A connection positioning component is provided on the surface of the first and second support rods. The connection positioning component includes a threaded block, which is fixedly connected to the surface of the first support rod. This utility model improves the functionality of folding and carrying the dust removal device and allowing for quick installation and fixing, making it convenient to carry and preventing inconvenience when carrying and operating the dust removal device.

This utility model discloses a diamond flocked grinding disc, including a grinding disc body. A positioning hole is formed around the top surface of the grinding disc body, and a grinding disc cutter head is positioned above the grinding disc body. With this utility model, pulling a pull ring on one side of the grinding disc body moves a connected insert rod to the through hole position, at which point the positioning block at the bottom of the grinding disc cutter head is inserted into the positioning hole of the grinding disc body. After releasing the pull ring, the spring on the outside of the insert rod automatically passes through the positioning block and enters the insertion hole, achieving quick and easy installation of the grinding disc cutter head. When a damaged grinding disc cutter head needs to be replaced, pulling the pull ring again completely removes the insert rod from the insertion hole and enters the through hole, allowing the grinding disc cutter head to be moved upwards, disengaging the positioning block from the positioning hole, thus completing the disassembly of a single grinding disc cutter head. This enables modular replacement of grinding disc cutter heads, significantly reducing usage costs while improving the practicality and economy of the product, effectively overcoming the shortcomings of the original fixed structure.

This invention discloses a three-layer or higher inter-board connector based on snap-fit ​​buttons, belonging to the field of electrical connector technology. The connector includes a housing and a base assembly. The housing has a base mounting cavity and at least three mounting surfaces at different distances from the bottom surface for mounting printed circuit boards (PCBs). The base assembly is disposed within the base mounting cavity and contains several first snap-fit ​​electrical connection mechanisms and several second snap-fit ​​electrical connection mechanisms. PCBs mounted on the housing are electrically connected in pairs via either the first or second snap-fit ​​electrical connection mechanisms. By connecting at least three PCBs mounted on the housing in pairs via either the first or second snap-fit ​​electrical connection mechanisms, vertical interconnection between three-layer or higher PCBs is achieved.

This utility model discloses a through-beam photoelectric sensor, including a transmitter, a receiver, and a mounting base. A first slider and a second slider are threaded in opposite directions within a groove on the mounting base via a lead screw. Positioning brackets are rotatably mounted on the first and second sliders via a connecting seat and a support shaft. A positioning plate is longitudinally inserted into the upper part of the positioning bracket via a locking bracket, and one end of the locking bracket is threadedly connected to a locking bolt on the positioning bracket. The transmitter and receiver are laterally inserted into the two positioning brackets and positioned by the positioning plate. In use, the mounting base is fixed to the testing station using a mounting plate and screws. Then, the transmitter and receiver of the through-beam sensor are laterally inserted into the two positioning brackets and positioned by the positioning plate, achieving rapid installation and fixation of the photoelectric sensor. Furthermore, the installation and fixation are highly stable, and disassembly and assembly are convenient and quick.

This utility model discloses a detachable car seat connecting plate, belonging to the field of car seat installation technology. It includes a fixed base, a fixed bottom plate, and two sets of mounting plates. The fixed bottom plate is fixedly installed on the lower outer surface of the fixed base, and the mounting plates are spliced ​​onto the upper outer surface of the fixed base. The mounting plates and the fixed base are spliced ​​and fixed by several sets of mating clips. All sets of mating clips are fixedly installed on the lower outer surface of the mounting plates. Two sets of movable locking blocks that cooperate with the mating clips are movably installed inside the fixed base. Two sets of movable locking plates are movably installed on the inner side of the fixed bottom plate, and the surfaces of the movable locking plates have through-holes for installation grooves. This provides a quick-release installation structure, allowing for rapid installation and fixing of the car seat, improving its fixing effect. It also features a bidirectional installation position adjustment structure, increasing the tolerance for errors during the installation and fixing of the connecting plate.

This utility model relates to the field of warehouse partition technology, specifically disclosing a quick-release delivery vehicle warehouse partition, comprising: a warehouse, wherein two partitions are symmetrically arranged inside the warehouse, a locking block is fixedly installed on one side of the outer wall of one of the partitions, a locking shell is provided on one side of the locking block, and a locking groove is provided on one side of the locking shell to engage with the locking block; a positioning mechanism connected to the locking block is provided on one side of the locking shell, and a lifting mechanism connected to the locking shell is provided on one side of the inner wall of the warehouse; this utility model improves the operation process, avoids the disadvantages of the laborious disassembly of traditional slot-type partitions, reduces the burden on personnel, and allows the partition height to be flexibly adjusted according to the size of the goods and to utilize the vertical space of the warehouse, thus improving practicality.

This utility model discloses a pouring device for high-formwork concrete construction, relating to the field of building construction technology. It includes a support plate and a measuring line, with a wire-passing hole on the upper surface of the support plate. The device has a reasonable design structure. It can control the rotation of a servo motor to drive the winding drum to rotate and release the wire. The weight of a metal float itself causes the float to move downwards. When the float contacts the concrete, it supports or floats above the concrete. Then, the servo motor is turned off, and the descent distance of the measuring line is observed by hand, allowing measurement of the concrete pouring height. The insertion depth of the segmented guide pipe into the high formwork is then adjusted, achieving precise control of the concrete drop. This solves the problem in existing high-formwork concrete pouring devices where, when the formwork support height is too high, the traditional segmented guide pipe method struggles to accurately control the concrete drop, easily leading to rebar misalignment, formwork bursting, and other accidents.

This utility model discloses a support and clamping structure for fiberglass membrane shells, relating to the field of fiberglass membrane shell installation technology. It includes a support frame consisting of a support crossbar and mounting holes, a limiting component, and a clamping component. The clamping component and the limiting component cooperate to clamp and fix the fiberglass membrane shell body. The limiting component includes a positioning unit and an anti-loosening unit. The positioning unit provides positioning for the placement of the fiberglass membrane shell body; the anti-loosening unit provides initial pre-fixation for the positioning unit and simultaneously provides anti-loosening limiting operation for the clamping component after installation. This utility model achieves rapid fixed installation of the fiberglass membrane shell body by setting the limiting component and the clamping component. Furthermore, the top of the V-shaped hook plate's hook portion approaches and fits against the lower surface of the locking nut, limiting the downward movement of the locking nut and thus achieving an anti-loosening effect, further improving the installation stability of the fiberglass membrane shell body.

This utility model discloses a highway construction warning fence, comprising multiple parallel fixed poles, the bottom ends of which are inserted into the ground. A fence panel is detachably installed between every two adjacent fixed poles. Multiple vertically parallel connecting crossbars are also detachably fixed between every two adjacent fixed poles. Multiple sets of vertically symmetrically distributed rotating connecting blocks are rotatably installed on the surface of the fence panel facing the connecting crossbars. One end of each rotating connecting block has a locking groove on its inner side, allowing it to engage with the outer side of the connecting crossbar. This utility model achieves rapid installation and fixation of the fence panel by engaging the end of the connecting crossbar with the positioning groove at the end of the crossbar overlapping block, then assembling the rotating connecting block with the connecting crossbar, and finally securing the rotating connecting block overlapping the outer side of the connecting crossbar with a limiting insertion rod. No other fasteners such as wire, screws, or rivets are required during installation.

This utility model discloses a tea leaf air separation exhaust gas filtration device, comprising: a filtration channel, wherein a filter element is continuously installed inside the filtration channel via a filter element fixing assembly; and a connecting channel, wherein a first mounting groove is provided at the end of the connecting channel away from the filtration channel, and a second mounting groove is provided at the end of the connecting channel closer to the filtration channel. By setting up the connecting channel and other structures, this utility model allows exhaust gas to be transported through the first channel and then through the filtration channel to the second channel for filtration using the filter element. Because the filtration channel and the connecting channel are movable, the distance between the two connecting channels is adjustable. When the two connecting channels retract into the filtration channel, the filtration channel can be easily disassembled for easy filter element replacement. During installation, after alignment, the connecting channel can be propped up outward by rotating the support arm, thereby causing the first and second channels to engage with the first mounting grooves of the two connecting channels, achieving quick and easy installation and fixation.

The utility model discloses a convenient connecting structure for regular backwashing of activated carbon, which belongs to the technical field of water treatment and comprises a first fixing pipe, a second fixing pipe and a conveying hose, an on-off valve is arranged on the first fixing pipe, an adjusting valve is arranged on the second fixing pipe, and the on-off valve and the adjusting valve are both connected with connecting pipes. Through the arranged connecting assembly, the annular groove is formed in the fixed flange and used in cooperation with the movable flange and the rubber sealing ring, the sealing performance after connection can be ensured, the movable flange can rotate on the hard pipe and is used in cooperation with the check block and the bolt, the movable flange can be rotated in the installation process to adjust and align the hole position, and connection and fixation are facilitated; the filter assembly has a filtering effect on backwashing water, impurities are prevented from entering the activated carbon tank to influence subsequent use of activated carbon, the filter frame is inserted into the mounting sleeve, the filter frame can be quickly mounted and fixed, and the filter frame can be quickly dismounted for cleaning and other operations.

The utility model relates to handrail equipment technical field, concretely is a character handrail convenient to fixed installation, including handrail pipe, one side of handrail pipe is slidably installed with two connecting rods, the one side of every connecting rod is slidably installed with the base, the one side of every connecting rod is rotatably installed with the rotating block, the inside of every base is fixedly installed with two limit boards. The improved character handrail, the base of both sides is fixed on the wall through bolt, then the rotating block of both sides is inserted into the base, rotates the rotating block, makes the first limit hole of both sides to hold up the limit board in the base, then the handle block is inserted into the base, fixes the rotating block, can reach the effect that the device can be quickly installed and fixed when installing, shortens the installation time, reduces the installation and maintenance cost, improves installation and dismounting efficiency, avoids the damage of multiple punching to the wall, improves the practicality of device.

The utility model discloses a height -adjustable protection board, including stand, upper roof and positioning cylinder, the number of stand is two groups, and the bottom of two groups of stands is provided with base, the upper roof is slid in between two groups of stands, and the lower bottom plate is slid in between two groups of stands below the upper roof, the utility model discloses through the upper roof and lower bottom plate height -adjusting of double -end pneumatic cylinder drive, can adapt to the protection demand of different height object, improve the versatility and practicality of protection board, through the setting of limit slot, limiting board, polish and the guide ring, provide the stable guide and location for the up and down movement of protection board, make the whole device operation more reliable, prolong the service life of protection board, through the cooperation of positioning cylinder, telescopic link and protection board, formed a stable protection structure, always keep protection function in the height -adjusting process, through the bolt design of base bottom four corners, the installation fixed of protection board is facilitated.