149results about How to "Solve the installation" patented technology

The invention discloses an intelligent bridge shock isolation device with a replaceable sensor and an installation method.The device comprises a connecting module, the connecting module comprises a support bottom connecting plate (7) and a sliding module arranged at the top of the support bottom connecting plate (7), and the sliding module comprises an upper friction plate (1), a lower friction plate (4) and an arc-shaped sliding block (3); the data measurement module comprises a sensing force holding layer (5) arranged at the bottom of the lower friction plate (4), the sensing force holding layer (5) is provided with a sensor module (8), and the replacement module comprises a sensor assembly layer (6), an internal wedge block (9) and an external wedge block (10). A sliding friction pair is jointly formed by the connecting module and the sliding module, so that the good damping performance of the support is achieved, meanwhile, the stress state of a bridge is monitored in real time through the data measuring module, intelligent monitoring and jacking installation and rapid replacement of the sensor module are achieved, and the problem that a traditional bridge support cannot be rapidly and safely replaced is solved.

The invention relates to the technical field of maintenance and repair equipment of mechanical mining equipment, in particular to a multi-point electric jar for disassembling a crank pin of an oil pumping unit. The multi-point type electric jar device for disassembling the crank pin of the oil pumping unit comprises a power device, a disassembling device and a supporting device, the power device comprises a crank connecting rod impact structure connected with a motor, a fixing frame is arranged on the power device and connected with the supporting device, and the supporting device comprises a rack seat provided with a rack. A movable seat assembly is arranged on the rack seat and connected with the fixing frame, a front stepping handle and a rear stepping handle are arranged on the rack seat, extension rods are arranged at the two ends in the rack rod, screw rods are arranged in the extension rods, tail screws, chuck fixing screws and crank pin hole chucks are arranged at the tail ends of the screw rods, and the output end of the power device is connected with the dismounting device. The multipoint type electric jar for disassembling the crank pin of the oil pumping unit is used for continuously jarring the crank pin after being fixed, the labor intensity is low, the weight is light, the efficiency is high, and tight parts can be disassembled.

The invention relates to the technical field of alternating-current and direct-current power distribution, in particular to a flexible power distribution transformer for an alternating-current and direct-current power distribution network and installation equipment, and discloses the flexible power distribution transformer for the alternating-current and direct-current power distribution network. And the high-voltage side coil, the alternating-current low-voltage side coil, the direct-current low-voltage side coil and the direct-current low-voltage side coil with adjustable turns are connected with a series power module for voltage compensation and a parallel power module for current compensation. The beneficial effects of the invention are that a principle of magnetic field coupling balance of multiple power supplies in a magnetic loop is adopted to achieve the purpose of energy flow and interaction control in different directions, and the flexible adjustment of voltage and current at the low-voltage end of the transformer and the convenient access and interaction of the direct-current power supply and the direct-current load are realized; and the requirements of power distribution network voltage bidirectional cross-border treatment, current-related electric energy quality treatment and convenient access and interaction of a direct-current power supply and a load in novel power system application are met.

The invention discloses a hydraulic oil cylinder sealing performance testing device, and belongs to the technical field of hydraulic oil cylinder testing. A housing is included; the positioning mechanism is arranged in the shell and is used for positioning the hydraulic oil cylinder to be detected; the testing mechanism is arranged on one side of the shell and used for detecting the sealing performance of the to-be-tested hydraulic oil cylinder positioned by the positioning mechanism; the positioning mechanism comprises a positioning cylinder used for placing a hydraulic oil cylinder to be tested; and the number of the positioning plate assemblies is multiple, the multiple positioning plate assemblies are all arranged in the positioning barrel, and in the working state, the multiple positioning plate assemblies are used for positioning the hydraulic oil cylinder placed in the positioning barrel. The hydraulic oil cylinder is automatically positioned and disassembled through the positioning barrel and the multiple positioning plate assemblies, and the problem that the hydraulic oil cylinder is usually assembled and disassembled manually before and after testing, and consequently testing operation is troublesome is solved; therefore, the technical effect that the to-be-tested oil cylinder can be conveniently positioned, mounted and dismounted is achieved.

The utility model relates to the technical field of liquid crystal display screens, and discloses an anti-vibration liquid crystal display screen which comprises a shell, an anti-vibration mechanism is arranged in the shell, the anti-vibration mechanism comprises a connecting U-shaped sliding block, a damping spring and a damper, a buffer groove is formed in the shell, and the damping spring is arranged in the buffer groove. The front face of the connecting U-shaped sliding block is in sliding connection with the interior of the buffer groove. According to the anti-vibration liquid crystal display screen, through the use of a buffer convex block structure, when the anti-vibration liquid crystal display screen is subjected to external impact force, a buffer convex block can move towards the interior of the shell, so that direct contact between the external impact force and the surface of the shell is avoided, and the influence of vibration on the whole equipment is reduced; the shock absorption and impact resistance device achieves the purpose of solving the problem of how to more efficiently absorb shock and resist impact in practice when being impacted and vibrated, achieves the effect of being more efficient and safer in use, and avoids damage to a display and overall equipment.

According to the electric tilting helicopter wing, a flap steering engine end adjusting support is connected with a middle hinge structure of a flap conversion rocker arm, one end of a flap control surface connecting rocker arm is connected with the right end of the flap conversion rocker arm, and the other end of the flap control surface connecting rocker arm is connected with a flap control surface fixing connector; the aileron steering engine root mounting frame is located on the wing rib, and a single lug of the aileron steering engine root mounting frame is connected with double lugs of the aileron steering engine root; a middle fixing frame of the aileron steering engine is positioned on the rear beam, and two sides of the aileron steering engine are respectively arranged on the wing ribs; an aileron steering engine end adjusting support is connected with the rear beam, and an aileron steering engine end double-lug connector is connected with the left end of an aileron conversion rocker arm; an aileron steering engine end adjusting support is connected with a middle hinge structure of an aileron conversion rocker arm, one end of an aileron control plane connecting rocker arm is connected with the right end of the aileron conversion rocker arm, and the other end of the aileron control plane connecting rocker arm is connected with an aileron control plane fixing connector. A force transmission path of bending, twisting and shearing loads caused by concentrated mass of aerodynamic loads, a transmission system and a rotor system is provided, and the strength and rigidity of the flap and aileron steering engine connecting structure are guaranteed.

The utility model discloses a split type power transformation box, and belongs to the technical field of power transformation boxes. Comprising a bottom plate, a box body is arranged at the top of the bottom plate, the box body comprises a transformation assembly and a switch assembly arranged on the side wall of the transformation assembly, and clamping strips are arranged on the side wall of the transformation assembly. According to the utility model, the sliding clamping plate is pulled upwards and pushed towards the direction of the box body to be matched with the clamping strip for clamping, and then the locking screw rod is screwed for locking, so that the box body can be quickly assembled and disassembled, and the problem that a common split-type power transformation box is inconvenient to assemble and disassemble is solved; the convenience of disassembly, maintenance and replacement of the split type transformer box is improved; the air suction pump is arranged to cooperate with the internal pipe with a plurality of deformation pipes to suck out heat generated during operation of the voltage transformation assembly and the switch assembly, so that the heat dissipation effect of the split-type power transformation box is improved, and the problem that heat generated in a common split-type power transformation box is not easy to dissipate, so that the interior of the power transformation box is overheated is solved; and stable operation of the split type transformer box is facilitated.

The invention discloses a server cabinet, and relates to the technical field of server cabinets, and the server cabinet comprises a cabinet body, a moving assembly, a moving control device and a plugging locking device. The cabinet body is provided with a mounting assembly, the mounting assembly is provided with first holes which are sequentially arranged at intervals in the first direction, the moving assembly is movably connected to the mounting assembly, the moving assembly is used for placing a server and driving the server to move relative to the mounting assembly in the first direction, the moving assembly is provided with second holes, and the moving control device is arranged in the cabinet body. The moving control device is used for controlling the moving assembly to move relative to the mounting assembly, the plug-in locking device is arranged on the moving assembly and comprises a plug-in control assembly and a plug pin, and the plug-in control assembly is used for controlling the plug pin to be inserted into the second hole and the corresponding first hole in the second direction so as to lock the moving assembly. According to the server cabinet, the problem that the server is inconvenient to install and maintain due to the fact that the position of the server cannot be flexibly and reliably adjusted is solved.

The invention discloses a polishing cloth trepanning device and method, and relates to the technical field of polishing machines, the polishing cloth trepanning device comprises a bracket and an adjusting seat, the bracket is provided with a first cutter body, a cloth pressing body and an expansion body, the bracket is installed from the outlet end of a liquid guide hole of a polishing disc, the first cutter body is used for cutting the polishing cloth at the outlet end of the liquid guide hole, and the cloth pressing body is used for pressing the cloth at the outlet end of the liquid guide hole. The cloth pressing body is used for pressing the cutting edge of the polishing cloth into the liquid guide hole and abutting against the inner wall of the outlet end of the liquid guide hole. The adjusting seat is arranged from the inlet end of the liquid guide hole, and the adjusting seat is matched with the expansion body, so that the expansion body is tightly supported on the inner wall of the liquid guide hole after being matched, and the bracket is fixed in the liquid guide hole. According to the polishing cloth tapping device, accurate finishing and fixing of the polishing cloth at the position of the liquid guide hole are achieved, and the problems that the polishing cloth is degummed and a wafer is scratched due to improper manual finishing are effectively avoided.

The utility model relates to the technical field of auxiliary devices, and discloses a steam turbine online balance block installation auxiliary device which comprises a first tool outer wall, a fastening dismounting handle is fixedly arranged on one side of the outer surface of the first tool outer wall, and one end of the first tool outer wall is connected with a first connecting flange through a bolt. A second tool outer wall is fixedly arranged at one end of the first connecting flange, and the end, away from the first connecting flange, of the second tool outer wall is connected with a second connecting flange through a bolt. A third tool outer wall is fixedly arranged at one end of the second connecting flange, a replaceable slotted wrench is connected to the end, away from the second connecting flange, of the third tool outer wall, and a connecting lock nut is embedded in the side, close to the middle point, of the interior of the first tool outer wall. According to the utility model, the problem of waste of working hours such as opening, closing, temperature reduction and temperature rise of the upper cylinder body of the steam turbine due to clamping of the balance block is solved, the installation is simple, and the working hours are saved to 1 / 2 of the original working hours.

The invention relates to the technical field of coal mine drilling, and discloses a mining drilling system, wherein an active drill rod comprises a limit section and a rotation-stop section, a chuck is arranged at one end of a main shaft, a front end cover is arranged at one end of the chuck, the chuck is clamped on the limit section, the front end cover is slidably connected to the rotation-stop section, the front end cover drives the active drill rod to rotate, and a graded hydraulic system controls the clamping pressure of the chuck on the limit section; a front clamp comprises a front support plate and a rear support plate arranged at intervals, both the front support plate and the rear support plate are provided with through holes, both the through holes are provided with openings, and the opening widths are both greater than or equal to the diameter of a large drilling tool; a swing body is arranged in the front support plate and the rear support plate, and the swing body can swing outside the front support plate and the rear support plate; a flip sensor and a flip sensing plate in a positioning system determine whether the main manipulator arm drives the hand claw to flip toward a frame; a horizontal sensor and a horizontal sensing block determine whether the main manipulator is in a set inclination angle position. The problem of complex operation in the construction of existing drilling equipment is solved.

The invention aims to provide a low-pressure turbine stator guide vane assembly method which comprises the following steps: defining a head guide vane and a tail guide vane, inserting a sealing piece into mounting grooves of two adjacent stator guide vanes, and not mounting the sealing piece between the head guide vane and the tail guide vane. All the stator guide vanes are placed in an assembling groove of a turbine case one by one, every two adjacent stator guide vanes are sequentially connected through a flexible connecting piece, no flexible connecting piece is arranged between the head guide vane and the tail guide vane, and the guide vane chain is lifted by a certain height, so that a staggered gap is formed between the head guide vane and the tail guide vane; and the sealing piece is mounted in the mounting groove of the tail guide vane, so that all the stator guide vanes are connected end to end to form a whole ring, and the stator guide vanes with the whole ring formed are placed in the assembling groove of the turbine case. Through the assembling method, the assembling efficiency and the assembling quality of the stator guide vane can be improved.

The invention provides a linear motor installation device and method for a precise air floating guide rail, and the device and method are applied to the technical field of precise machinery, and are characterized in that a left detection adjustment module is arranged at a first preset installation position, so that the installation position of a detection adjustment module is precisely positioned, and the precise adjustment of the installation position of a motor stator is realized; and a long-stroke guide rail and a fourth displacement sensor of the right detection and adjustment module realize accurate detection and adjustment of the installation position of the motor stator. According to the technical scheme, the left and right detection and adjustment modules are arranged, and the driving module and the fourth displacement sensor are combined, so that the mounting position of the linear motor stator is accurately detected and adjusted. The device has the advantages of improving the installation precision of the linear motor stator, improving the installation efficiency and reducing the dependence on the experience of operators.

The invention belongs to the technical field of printers, and particularly relates to a printer using a light source to reflect black label paper, which comprises a printer body, a turning cover is rotatably mounted on the printer body, a connecting plate is fixedly mounted on the printer body and located on one side of the turning cover, a second cutting knife is fixedly mounted on the connecting plate, and a first cutting knife is slidably mounted on the turning cover; the driving assembly is located in the turning cover and used for driving the first cutting knife to move. The fixing assembly is located in the flip cover and used for fixing the flip cover; the supporting plate is fixedly installed at the bottom of an inner cavity of the printer body, a guide plate is fixedly installed at the top of the supporting plate, a rotating roller is rotationally installed in the printer body and located above the guide plate, and a thermosensitive piece is fixedly installed in the printer body and located on one side of the rotating roller. The problem of flip flat cable installation can be solved, and the material cost and the labor cost are reduced.

The embodiment of the utility model provides a fixed adjustable supporting tool for assembling a turbine tester, and relates to the field of aero-engine tests. The volute aims to solve the problems that the interior of a volute is of a horizontal shaft cavity structure, and it is difficult to horizontally install a transmission shaft and other components into a shaft cavity in a hoisting mode. The positioning device comprises a base platform, a positioning combination mechanism, a mounting support and an adjusting telescopic support, and the positioning combination mechanism is used for being placed at the preset position of the base platform or used for being fixed to a supported volute; the mounting bracket is fixed on the base platform and is used for rotationally mounting the volute; one end of the adjusting telescopic support is hinged to the base platform, and the other end of the adjusting telescopic support is used for being hinged to the positioning combination mechanism. The installation support is rotatably provided with the volute, the telescopic support is adjusted to fix the volute structure and finely adjust the pitching angle, the center shaft cavity in the volute finally meets the position requirement for transmission shaft assembly, and the assembly difficulty is greatly reduced.

The present invention discloses a drainage well which is easy to install and relates to the technical field of drainage well installation. The drainage well comprises a cement cushion layer, an extrusion assembly and an adjustment assembly. A plurality of groups of threaded columns are preset inside the cement cushion layer, a base is installed on the threaded columns, a threaded block threadedly connected to the threaded columns is installed on the base, and a sealing cushion layer is installed on the top of the cement cushion layer. The extrusion assembly is installed on the base, and the extrusion assembly comprises a plurality of groups of connecting blocks arranged in a circle, and an extrusion plate is fixedly connected to the connecting block. The extrusion assembly squeezes the drainage well through the plurality of extrusion plates so that the drainage well is fixed on the sealing cushion layer arranged on the top of the cement cushion layer. The present invention enables the drainage well to be quickly installed and disassembled through the action of the extrusion assembly and the adjustment assembly, thereby solving the problem in the prior art that the drainage well is difficult to install and disassemble due to the installation of cement.

The utility model belongs to the technical field of wire harness testboards, and particularly relates to a new energy kudinger belt installation testboard, which comprises a testboard body and a plurality of detection bases, the plurality of detection bases are detachably connected to the testboard body, each detection base comprises a shell and a detection mechanism, the detection mechanism comprises a push-in assembly, and the push-in assembly comprises a push-in part and a push-out part. A detection channel is formed in the side face of the shell, the push-in assembly is arranged in the detection channel, the push-in assembly comprises an outer frame, a plurality of sliding grooves are formed in the inner side face of the outer frame, detection plates, springs and distance sensors are arranged in the sliding grooves, the detection plates are arranged in the sliding grooves in a sliding mode, and the distance sensors are arranged in the sliding grooves. One ends of the springs and the distance sensors are connected to the bottoms of the sliding grooves, the other ends of the springs and the distance sensors are connected to the bottoms of the detection plates, and the detection plates are slidably opened and closed to form detection holes; the device can carry out overall detection on the number and the size of the katting rolling belt, and improves the production quality of the wire harness.

The utility model relates to valve equipment technical field, the utility model discloses a quick release mechanism and ball valve sealing device, including connecting unit, the connecting unit includes the bearing assembly, sets up in the extrusion assembly of bearing assembly inside and rotates the adjusting ring of bearing assembly outside, the adjusting ring and extrusion assembly sliding fit, wherein, extrusion assembly is provided with at least 2.

The air conditioner comprises a machine body and a top cover, the top cover is arranged at the top of the machine body, the air supply structure comprises a transmission mechanism and an air supply module, the transmission mechanism comprises a first motor, a gear and a rack, the first motor is arranged below the top cover, and the gear is arranged below the top cover. The gear is connected to the output end of the first motor, the gear is matched with the rack, a chassis is arranged at the top of the rack, and the air supply module is arranged on the chassis; a containing cavity is formed in the top cover, and when the air conditioner is started, the air supply module is driven by the transmission mechanism to ascend out of the top cover so as to achieve long-distance air supply. When the air conditioner is shut down, the air supply module is driven by the transmission mechanism to descend into the top cover. The utility model aims to provide an air supply structure of a vertical air conditioner so as to solve the problem that an existing cylindrical air conditioner is short in air supply distance.

The present invention relates to a household submersible pump, which comprises a pump seat, a pump body and a signal lamp assembly, wherein the pump seat is provided with a water outlet, a water inlet and a first filter screen; the pump body comprises a pump inner shell and a pump outer shell, the pump inner shell has an inner electrical cavity and a front mounting seat, the inner electrical cavity is provided with a circuit board, and the pump outer shell has a front guide seat; the signal lamp assembly comprises a signal lamp and a light guide column with a waterproof sealing ring embedded thereon; the signal lamp is connected to the circuit board, the light guide column is arranged to be able to penetrate the front guide seat and insert the front mounting seat in a first state and rotate to a second state locked in the front mounting seat, and is arranged to be able to guide the light of the signal lamp out of the pump housing. The present invention not only realizes the outward propagation of light but also realizes IPX8 waterproofing.

The utility model discloses a voltage regulator device with a semi-open fixed shell structure, which comprises a top cover and a bottom cover, and further comprises an open limiting mechanism, the open limiting mechanism comprises extension coamings arranged on the top cover and the bottom cover, the two extension coamings are respectively provided with a first mounting ring and a second mounting ring, and the first mounting ring and the second mounting ring are arranged on the top cover and the bottom cover. Mounting blocks distributed at equal intervals are arranged on the first mounting ring and the second mounting ring, and limiting columns are correspondingly mounted between the mounting blocks located on the first mounting ring and the mounting blocks located on the second mounting ring; and the movable mounting mechanism is arranged on the limiting column. The voltage regulator equipment with the semi-open fixed shell structure has the technical effects of improving the heat dissipation performance and the safety.

The invention discloses a fixing support device for a coal mine underground roadway monitoring camera and an implementation method. The fixing support device comprises a locking assembly and a horizontal fixing base which pass through a universal adjusting mechanism. The locking assembly comprises a vertical guide pipe and a vertical guide rod, the upper end of the vertical guide rod extends into the lower portion of the vertical guide pipe, a through groove in the length direction of the vertical guide pipe is formed in the middle of the pipe wall of the vertical guide pipe, and a clamping mechanism is installed at the through groove. A locking adjusting mechanism is installed on the upper portion of the vertical guide rod. When the device is used, the vertical guide rod is held and pushed upwards, the clamping mechanism is opened and loosened after being installed in place, the clamping mechanism clamps the anchor rod, and then installation of the device can be completed. According to the fixing support device for the coal mine tunnel camera and the implementation method, the coal mine tunnel camera can be rapidly mounted and dismounted, the operation step of moving the camera during climbing operation is reduced, potential safety hazards are completely eradicated, and the labor intensity of workers is reduced.

The utility model relates to the related technical field of riveting connection, in particular to a high-adaptation riveting device based on angle fine adjustment, which is arranged on a movable platform and comprises an angle adjusting mechanism, and an air gun is arranged at the movable end of the angle adjusting mechanism. The angle adjusting mechanism comprises a telescopic piece and a driving assembly arranged on the moving platform and used for controlling the telescopic piece to deflect. The driving assembly is started to work to control the telescopic part to deflect relative to the moving platform, so that the position of the air gun can be finely adjusted, the telescopic part executes the telescopic action in the deflection process, the angle of the air gun can be accurately adjusted, and meanwhile the angle of the air gun can be accurately adjusted. The multi-angle adjustment can be achieved, the actual thickness of a plate can be better adapted, it is ensured that the riveting process is conducted smoothly, meanwhile, it can be ensured that the riveting nut can be correctly installed at different positions and angles, and the installation problem caused by angle deviation is avoided.

The present invention provides an aeration device for a "U"-shaped breeding pond and an installation method thereof, comprising an aeration main unit, an aeration main pipe, a plurality of aeration branch pipes and a plurality of aeration plates, wherein the aeration main unit is arranged on the bank of the "U"-shaped breeding pond, the aeration main pipe is connected to the air outlet end of the aeration main unit, the aeration main pipe is closed and arranged along the inner edge of the return ditch of the "U"-shaped breeding pond, the plurality of aeration branch pipes are arranged on the aeration main unit at equal intervals, the air outlet ends of the aeration branch pipes are connected to the aeration plates, and each of the aeration branch pipes and the aeration main pipe is provided with a water distribution saddle and an external thread ball valve at the connection, and the opening and closing of a single corresponding aeration plate is controlled by the external thread ball valve. The present invention solves the problem of no air transmission pipe when the aeration is installed on the bank, avoids the damage to the aeration main pipe due to the later pond maintenance such as return ditch dredging, and also reduces the cost of aeration installation.

The utility model discloses an energy storage battery box capable of automatically disconnecting a circuit, which comprises a box body, a plurality of battery cabins for mounting batteries are arranged in the box body, mounting plates are arranged at the bottoms of the battery cabins, and power connection parts matched with electrodes of the batteries are arranged at the tops of the mounting plates. A first contact part electrically connected with the power connection part is arranged at the bottom of the mounting plate, a second contact part connected with the charging and discharging circuit is arranged at the bottom of the battery bin, the first contact part is matched with the second contact part, a fire extinguishing device is arranged in an inner cavity of the bottom of the box body, and a nozzle of the fire extinguishing device faces the lower portion of the mounting plate. According to the utility model, the problem that the energy storage battery is troublesome to mount and dismount is solved, and the charge-discharge circuit where the battery is located can be timely disconnected when thermal runaway of the battery occurs.

The invention belongs to the technical field of airborne equipment mounting structure design, and particularly relates to an asymmetric environment load resistant connecting structure. According to the structure, a main mounting plate is of an asymmetric structure, the main mounting plate is provided with a first plate face and a second plate face, a plurality of transverse ribs and vertical ribs are arranged on the first plate face, and the second plate face is used for mounting airborne equipment; the corner boxes comprise the first corner box and the second corner box, the first corner box is installed at one end of the first plate face in a connected mode, the second corner box is installed at the other end of the first plate face in a connected mode, and the main installation plate is connected with a machine body structure through the first corner box and the second corner box. One end of the cross beam is connected with the first corner box, and the other end of the cross beam is connected with the second corner box. According to the asymmetric environmental load resistant connecting structure, the problem of installation of large-weight suspension airborne equipment can be solved, and the problem of deformation and incoordination caused by asymmetric environmental loads can be avoided.

The utility model provides an airborne multifunctional display. The airborne multifunctional display comprises a display module, a mainboard and a heat dissipation cold plate, the display device is characterized in that the display module and the heat dissipation cold plate are assembled and connected through screws, and a sealed cavity for accommodating the mainboard is formed between the display module and the heat dissipation cold plate; the mainboard is assembled on the inner side of the heat dissipation cold plate through screws, and heat dissipation teeth are arranged on the outer side of the heat dissipation cold plate; the heat dissipation cold plate comprises a substrate and a heat pipe; the base plate is made of aluminum alloy, a groove is formed in the base plate, and the heat pipe is embedded in the groove and fixed in a welded mode. And the heat pipe is matched with a device to be cooled on the mainboard. According to the technical scheme, the airborne multifunctional displayer is high in heat dissipation efficiency and reliability and good in electromagnetic shielding performance, and meanwhile heat dissipation of high-density, multi-heat-source and unequal-height devices can be achieved.

The invention relates to the technical field of hot-line work, in particular to a special tool for blind installation of an R pin based on ground potential, which comprises a shell, one end of the shell is rotatably connected with an R pin placing part, the R pin placing part is provided with an R pin placing groove, and the other end of the shell is provided with an insulating push rod. The insulating push rod penetrates through the end wall of the shell and is in sliding connection with the inclined sliding groove, in the R pin installation process, the insulating push rod drives the shell to rotate, a fastening part is arranged on the R pin containing part and used for applying pressure to the R pin in the R pin containing part so that the open end of the R pin can be closed, and an adjusting part matched with the fastening part is arranged on the shell. And the adjusting part controls the fastening part to relieve the pressure applied to the open end of the R pin, so that the round head part of the R pin can conveniently pass through, and the problem that in the related technology, an installation worker needs to push and pull an insulating handle in a reciprocating mode to complete installation of the R-type spring pin at a time is solved.

The utility model relates to the field of building heat preservation, in particular to an ecological plant fiber fire-resistant embedded auxiliary frame outer window installation structure suitable for an ultra-low energy consumption building, which comprises a base layer wall body, an ecological plant fiber fire-resistant embedded auxiliary frame, an outer window, a waterproof vapor-proof film, a heat preservation layer, a pre-pressing expansion sealing belt, an outdoor metal window board and fixing screws. The thermal insulation layer covers the edge of the auxiliary frame; the pre-pressing expansion sealing tape is arranged on a light facing surface baffle at the lap joint of the outer window and the auxiliary frame, and the width of the pre-pressing expansion sealing tape is not less than 15mm; the outer window is arranged on the inner side of the ecological plant fiber fire-resistant embedded auxiliary frame, one side of the waterproof vapor-proof film is bonded with the outer window, the other side of the waterproof vapor-proof film is bonded with the ecological plant fiber fire-resistant embedded auxiliary frame, and the bonding width is not less than 2cm; the window board is connected with the auxiliary frame through screws. The ecological plant fiber fire-resistant embedded auxiliary frame has the beneficial effects that the combustion performance grade of the ecological plant fiber fire-resistant embedded auxiliary frame is not less than B1 grade and can reach A2 grade, and the ecological plant fiber fire-resistant embedded auxiliary frame is moisture-resistant and does not deform.