1067results about "Roof tools" patented technology

To provide a net connecting device that is suitably used without being made to abut on a roof floor (exterior floor) etc. of a building.SOLUTION: A net connecting device 1 is mounted on a parapet P of a building to stretch a net R, and comprises: a first abutting part 11 and a second abutting part 12 which abut on two back-to-back surfaces of the parapet P; an elastic coupling part 13 which couples top sides of the first abutting part 11 and the second abutting part 12 to each other; a screw part 14 which is located in the coupling part 13, and rotates to expand and contract the coupling part 13 to make the first abutting part 11 and the second abutting part 12 abut on the two back-to-back surfaces in the contraction state; and a net holding part 16 which is located outside above the first abutting part 11, and serves as a screw operation part 15 rotatably operating the screw part 14.SELECTED DRAWING: Figure 1

The invention relates to the technical field of building construction auxiliary equipment, in particular to a waterproof roll laying device. The device comprises a mounting frame, a roller, a reel, a compaction assembly and a tensioning mechanism, the mounting frame comprises two fixing frames, mounting grooves are formed in the fixing frames, and the roller is mounted on the mounting frame; the reel is mounted on the fixed frame; the compaction assembly comprises a compaction shaft and a compaction roller, the compaction roller is rotationally connected to the compaction shaft, and the compaction roller is located on the side, in the second direction, of the reel and located below the reel; the tensioning mechanism comprises two tensioning units, each tensioning unit corresponds to one end of the compaction shaft, and each tensioning unit comprises a moving assembly and an adjusting assembly; the moving assembly comprises a sliding block and a first driving piece, the sliding block is slidably mounted in the mounting groove in the second direction, and the first driving piece is connected with the sliding block; the adjusting assembly comprises an adjusting rod and a second driving piece installed on the sliding block, and the second driving piece is connected with one end of the adjusting rod; and the other end of the adjusting rod is connected with the corresponding end of the compaction shaft.

A lightweight composite roofing support system comprises a longitudinally-extending core member comprising a longitudinally-extending first roof contact side comprising a first edge and opposed second edge, a longitudinally-extending second side comprising a second side working surface having a second width and a second length that is greater than the second width, the second side tapering toward the first edge at a first predetermined acute angle, and a longitudinally-extending third side comprising a third side working surface having a third width and a third length that is greater than the third width, the third side tapering toward the second edge at a second predetermined acute angle that is different than the first predetermined acute angle, a first end comprising an integral first recess defining a first handle, and an opposed second end comprising an integral second recess defining a second handle, the core member comprising a wedge-shaped lateral cross-section.

The invention discloses a roof waterproof and heat preservation integrated structure which comprises a roof base layer, a roof structural layer set, a parapet wall, a roof embedded sleeve, a rainwater pipe embedded assembly, a steam exhaust pipeline and a roof equipment platform which are sequentially arranged from bottom to top. The roof structure layer set comprises a first waterproof layer, a heat preservation layer, a slope making layer, a leveling layer, a second waterproof layer, an isolation layer and a waterproof protection layer which are sequentially arranged from bottom to top, an outer eave and an inner eave are arranged at the top end of the parapet wall, and the surface base layer exceeds the outer side of the parapet wall. The space between the outer eave of the parapet wall and the surface base layer is filled with a graphite polystyrene board and is used for building autoclaved aerated concrete blocks, and the second waterproof layer is upturned to an internal corner formed by the inner eave of the parapet wall and a vertical wall body of the parapet wall. The design of the outer eave and the inner eave at the top end of the parapet wall is matched with the filled graphite polystyrene boards and the built autoclaved aerated concrete blocks, so that the heat preservation and heat insulation performance of the parapet wall is effectively improved.

The invention discloses a low-energy-consumption building enclosure structure, which relates to the technical field of building enclosure, and comprises an enclosure mechanism, the enclosure mechanism comprises a cross beam, a frame, a chute, a winding wheel and a traction rope; sliding mechanisms are symmetrically arranged on the two sides of the cross beam, each sliding mechanism comprises a water tank, a water inlet is formed in the top of one end of each water tank, a shell is installed on the side face of each water tank, a plurality of water outlets are formed in the side face of each water tank at equal intervals, and two sliding blocks are symmetrically fixed to the two sides of each water tank; the sliding blocks are connected into the corresponding sliding grooves in a sliding mode. A cleaning mechanism is mounted at the bottom of the water tank and comprises a cleaning brush; a scraping mechanism is arranged in the shell and comprises a plurality of lifting columns installed in the shell at equal intervals, and a scraping plate is jointly installed at the bottoms of the lifting columns. The device has the advantages of being capable of removing stubborn stains on the glass roof and effectively shoveling accumulated snow.

The invention discloses an anti-corrosion asphalt waterproof coiled material and a preparation method thereof, the waterproof coiled material comprises an anti-corrosion layer, a flame-retardant layer, a main body material layer and a wear-resistant layer which are sequentially arranged from top to bottom, the main body material layer comprises, by weight, 60-80 parts of petroleum asphalt, 15-22 parts of SBS, 20-30 parts of an inorganic filler, 0.2-0.4 part of an antioxidant and 25-40 parts of a coupling agent; the anti-corrosion layer comprises 55-65 parts of epoxy resin, 30-40 parts of an ethylene-vinyl acetate copolymer, 2-5 parts of a curing agent and 2-5 parts of a compatilizer; the flame-retardant layer is prepared from 50 to 60 parts of polyether polyol, 45 to 55 parts of isocyanate, 22 to 32 parts of a flame retardant, 0.2 to 0.5 part of a dispersing agent and 0.6 to 1.0 part of a de-foaming agent; the wear-resistant layer is prepared from 25 to 35 parts of polyether-ether-ketone resin, 25 to 35 parts of epoxy modified polyurethane resin, 3 to 8 parts of compatilizer and 0.2 to 0.4 part of antioxidant; the corrosion resistance, flame retardance and wear resistance of the waterproof coiled material are improved, the waterproof coiled material can be used for building walls, roofs, tunnels, roads, refuse landfills and the like, the preparation method is simple, and application and popularization are facilitated.

The invention relates to the technical field of fabricated buildings, and discloses a green modular rural house fabricated building which comprises a front side plate and a rear side plate which are tightly attached to the upper surface of a fabricated bottom plate, a left side plate and a right side plate which are attached to the side faces of the front side plate and the rear side plate, and fabricated top plates which are tightly attached to the upper ends of the front side plate, the rear side plate and the left side plate and the right side plate. Limiting plates are symmetrically arranged on the left and right sides of the front and rear side plates, and positioning grooves are formed in the left and right side plates. According to the green modular rural house fabricated building, a photovoltaic panel and a filter plate can be cleaned through a first cleaning brush and a second cleaning brush arranged on a cleaning plate, the situation that leaves and impurities affect the flow speed of rainwater and cause water accumulation on a roof is avoided, the filtered and collected rainwater is stored in a water storage tank, and the water storage tank is assembled and fixed to the side face of the building; and the stability of the building is prevented from being affected, the water storage tank is prevented from moving due to strong wind and severe weather, precipitated water at the upper end can be utilized all the time through the lifting structure, and the cleanliness of the water is effectively guaranteed.

The invention relates to the technical field of waterproof coatings, in particular to an environment-friendly waterproof coating spraying device which comprises a frame, moving wheels, a cleaning mechanism and a spraying mechanism, the cleaning mechanism comprises a cleaning cover, a cleaning nozzle, a first cleaning roller, a second cleaning roller and negative pressure suction equipment, and integration of base surface cleaning and impurity recovery is achieved. The spraying mechanism comprises a spraying cover, a coating hopper, an air compressor, a coating header pipe, a high-pressure gas header pipe, a coating nozzle group and a positive-pressure nozzle group, and a uniform waterproof coating is formed through high-pressure spraying. According to the device, closed design is adopted, the negative pressure harmful gas adsorption function and the positive pressure leakage prevention function are integrated, cleaning-spraying continuous operation is achieved, the problems that traditional manual spraying is low in efficiency, uneven in coating, serious in pollution and the like are solved through mechanical construction, the construction quality and the environmental protection performance are remarkably improved, and the device is suitable for large building waterproof engineering.

A tool for removing a skirting board is provided, which includes a connection plate, an engagement plate, and a prying plate; the engagement plate extends downward from a front end of the connection plate and continues to extend forward to an upper end of the prying plate so as to form an inner bending area; the connection plate is provided with a striking part that cooperates with a hammer to knock the prying plate downward into a gap between the skirting board and a wall surface; a handle is fixed at a rear end of the connection plate; an abutting plate is provided above the prying plate, a rotating structure is provided between the abutting plate and the engagement plate, and the rotating structure is provided in the inner bending area.

The invention discloses paving equipment and a paving method for roof waterproof coating and coiled material construction. The paving equipment comprises a paving assembly on the front face of a base, a pull rod arranged on the back face of the base, a hot melting assembly arranged on the inner side of the paving assembly, a gluing assembly arranged on the inner side of the hot melting assembly, and a second through groove formed in the middle of the base. The gluing assembly comprises a fixed seat fixedly arranged at the top of the base; the heating glue storage tank is arranged at the top of the fixed seat; the glue solution output adjusting part is arranged at the bottom of the fixed seat and used for adjusting the outflow amount of the glue solution, and the electric push rod extends out to drive the movable plate to rotate, so that the distance between the bottom of the movable plate and the glue outlet plate on the other side is changed, and the outflow amount of the waterproof coating is changed; and in cooperation with a scraper blade with a groove in the middle, the thickness of the glue-out waterproof coating is evenly smeared, so that the hot-melted coiled material can be directly adhered to the waterproof coating, and use is more convenient.

The utility model discloses a device for laying waterproof membranes on a roof, including a mounting plate, a first U-shaped plate fixedly mounted on both sides of the mounting plate, a walking roller rotatably mounted between the front inner wall and the rear inner wall of the first U-shaped plate, the arrangement of the walking roller facilitates the movement of the entire device, and a flattening roller is rotatably mounted on the left side of the bottom of the mounting plate. The utility model can complete the work of cleaning dust, applying glue and laying waterproof membranes in one piece by integrating cleaning, applying glue and laying, without requiring personnel to operate separately, thereby improving work efficiency, and in conjunction with the arrangement of an exchange filter mechanism and an extraction pump, can suction, filter and collect floating dust during the cleaning process, effectively reducing the situation where a large amount of dust is blown outward and inhaled by personnel, thereby improving safety of use, and the method of alternately cleaning the L-shaped filter without stopping the machine during the suction process can improve work efficiency.

The invention provides an energy-saving building curtain wall waterproof heat preservation outer wall structure, belongs to the technical field of building outer walls, and solves the technical problems that an existing outer wall is wide in solar radiation area and long in time, resource waste is caused when the existing outer wall is not used, and the outer wall is mildewed and peeled off due to water seepage caused by gap expansion in rainy days. The waterproof heat-preservation outer wall structure of the energy-saving building curtain wall comprises a wall body part, a ventilation cavity is formed in the wall body part, the upper end and the lower end of the ventilation cavity communicate with ventilation holes, the upper portions and the lower portions of the ventilation holes communicate with slope water retaining covers, two pieces of angle steel distributed front and back are fixed to the slope water retaining covers, and a heat conduction plate is detachably connected between the two pieces of angle steel; a first magnetic ring is fixed on the temperature conducting plate, a second magnetic ring is magnetically connected to the first magnetic ring, and a flexible photovoltaic film is clamped between the first magnetic ring and the second magnetic ring. The device has the advantages that rainwater is prevented from entering the ventilation holes, and meanwhile solar energy on sunny days is received and converted into electric energy to be used by buildings.

A roof coating sprayer including a cart assembly and a sprayer assembly. The cart assembly has a frame with a plurality of wheels. The frame has a sprayer support assembly with a boom, and vertical spray nozzle attachment members arranged along the boom. Tbc attachment members each mount a spray nozzle and can be vertically and horizontally shifted relative to the boom. The roof coating sprayer can be pulled or driven over the surface of a roof at a uniform rate, enabling a coating of a uniform thickness to be sprayed on the roof.

The invention discloses an energy-saving building structure, and belongs to the technical field of building structures, the energy-saving building structure comprises a house body and a fixed seat arranged above the middle of the top of the house body, roofs are movably mounted on the left and right sides of the fixed seat, and U-shaped plates are fixedly mounted on the front and rear sides of the roofs; through mutual cooperation of a bearing seat, a servo motor A, a rotating disc, a sliding shaft, a sliding frame, a fixing frame, a movable strip plate, a limiting telescopic rod and a hinge rod, roofs on the two sides can be driven to shake up and down back and forth, and the effect of shaking off impurities on the roofs is achieved; and through mutual cooperation of a flat seat, an n-shaped plate, a sliding plate, a sliding plate, a guide rod, a reset spring, a sliding rod and a knocking ball, the components can be continuously matched with the knocking ball when the roof shakes up and down, so that the effect of knocking and vibrating can be achieved while the roof shakes up and down, and the effect of shaking off impurities is further improved.

A commercial roofing screw machine has: a plurality of screw guns that each properly place and install screw and washer pairs, both securely and in the right location, from separate magazines; automated operation with automatic or manual fastening pattern selection; sensors to recognize insulation sheets or marking lines, the high and low rib on the decking through the insulation, and torque; an indicia generator that marks fastener locations that did not hold correctly; and wireless communications for remote status checks, new programming uploads, troubleshooting, issue and error reporting, communicating with like or complementary machines to complete tasks, communicating with a records and reporting system to document fasteners installed correctly and which ones failed and were fixed by humans, and other beneficial purpose, and enabling plans upload with feature locations identified to select a fastening pattern based on location on a building and wind uplift ratings.

The roof equipment foundation comprises the roof equipment foundation, a first waterproof layer and a second waterproof layer, the first waterproof layer is arranged on the surface of a roof structure, and an equipment foundation felt isolation layer is arranged between the first waterproof layer and an equipment foundation expansion base; a roof heat preservation layer is arranged on the outer side of the equipment foundation expansion base, a slope making layer is arranged above the equipment foundation expansion base and the roof heat preservation layer, and the end, connected with the roof equipment foundation, of the slope making layer is not higher than the lower notch. The lower notch is filled with sealant, a reinforcing waterproof layer is arranged at the internal corner between the slope making layer and the roof equipment foundation, and the reinforcing waterproof layer covers the lower notch; the second waterproof layer covers the slope making layer, the reinforcing waterproof layer and the roof equipment foundation, and the upper end of the second waterproof layer covers the upper notch; the problems that according to an existing roof equipment foundation and a waterproof structure thereof, a construction joint is prone to leakage, the integrality of a waterproof layer is poor, a waterproof closing opening is prone to cracking, and the construction cost is high are solved.

The invention relates to an auxiliary tool for waterproof roll laying. The auxiliary tool comprises a base, a cutter, a polishing mechanism, a dust collection mechanism, a heating and compacting mechanism and a scraper mechanism. The cutter is arranged at one end of the base, the top end of the cutter is detachably connected with the base, a blade of the cutter is in contact with a road surface on which the waterproof coiled material is to be laid, the polishing mechanism is arranged at the bottom end of the base and detachably connected with the base, a first end of the scraper mechanism is detachably connected with the top end of the base, and a second end of the scraper mechanism is a free end. The dust collection mechanism is arranged at the top end of the base, and the heating and compacting mechanism is arranged at the end, away from the cutter, of the base. A grinding mechanism is arranged to grind the cut convex part; the dust collection mechanism is used for removing impurity particles and dust generated by the polished and cut bulges, so that the labor intensity of workers is reduced, the construction efficiency is improved, and the construction period is shortened; and the waterproof coiled material is heated and compacted through the heating and compacting mechanism, so that the laying quality of the waterproof coiled material is improved.

The invention discloses a photovoltaic greenhouse rainwater recovery system and a photovoltaic greenhouse, and relates to the technical field of combination of photovoltaic power generation and agricultural planting. The rain-proof window comprises a glass rain-receiving surface which is obliquely arranged, and further comprises a plurality of separation frames for separating the glass rain-receiving surface into a plurality of strip-shaped rain-receiving surfaces. According to the invention, the first water storage baffle is rotatably arranged between the first water storage area and the second water storage area, and the second water storage baffle is rotatably arranged between the second water storage area and the third water storage area, so that the first water storage baffle and the second water storage baffle can release rainwater above to water and clean the photovoltaic panel after being rotatably opened; and meanwhile, due to the design of a transmission rod, when the first water storage baffle or the second water storage baffle rotates downwards to release rainwater, a driving rectangular frame drives bristles to brush the upper surface of the photovoltaic panel, so that after the upper surface of the photovoltaic panel is irrigated and flushed by the rainwater, the rainwater can be brushed by the bristles, and the capability of better cleaning dirt on the surface of the photovoltaic panel is obtained.

The utility model relates to a ridge cap mounting node, which comprises a ridge cap, a metal roof panel, a purline and a metal outer plug, the bottom surface of the metal roof panel is fixedly connected with the purline, the metal outer plug, the ridge cap and the metal roof panel are all provided with prefabricated holes, and waterproof adhesive tape is laid on the top surface of the metal roof panel along the prefabricated holes. The bottom of the metal outer plug is adhered to the waterproof adhesive tape on the top face of the metal roof board, the waterproof adhesive tape is also laid on the top face of the metal outer plug, and the ridge cap is placed on the metal outer plug and fixed to the metal outer plug through the suturing nails. The metal outer plug is arranged between the ridge cap and the metal roofing board, and the ridge cap is fixed on the metal outer plug, so that the problem of coating damage caused by direct connection of the ridge cap and the metal roofing board is avoided.

The invention discloses a building construction ground waterproof material laying device, and relates to the technical field of waterproof material laying, the building construction ground waterproof material laying device comprises a base, two power wheels are arranged on one side of the bottom of the base, and two driven wheels are arranged on the other side of the bottom of the base; and the rolling assembly is arranged on the top of the base, and the rolling assembly is used for rolling the waterproof roll. In the using process, through work of the transmission assembly, the conveying speed of the waterproof coiled material can be the same as the advancing speed of the base, the situation that the laying effect is reduced due to the fact that the waterproof coiled material is too loose can be effectively avoided, the situation that the waterproof coiled material is broken due to the fact that the waterproof coiled material is too tensioned is also avoided, and the laying effect is guaranteed; and through the power assembly and the mortar laying assembly, mortar can be pushed to move along the ground, then it is guaranteed that the cement mortar can be evenly laid on the ground, and the laying effect is improved while the working efficiency is guaranteed.

The invention belongs to the technical field of coiled material laying, and particularly relates to a CPS-CL waterproof coiled material laying device which comprises a vehicle frame, rear rotating wheels, a rotating roller, a roller and a shape fixing assembly, the roller, the rotating roller and the rear rotating wheels are sequentially and rotationally installed on the vehicle frame from front to back, the rear rotating wheels are arranged on the two sides of the vehicle frame respectively, waterproof coiled materials are wound around the rotating rollers, and the shape fixing assembly is arranged on the vehicle frame. The four shape fixing assemblies are arranged on the circumferential face of the roller at equal intervals, the part, located between every two adjacent shape fixing assemblies, of the waterproof coiled material is tightened to form a plane, and when the waterproof coiled material is laid, the rotating roller rotates anticlockwise to release the waterproof coiled material. The roller carries the shape fixing assembly to rotate clockwise so that the waterproof coiled material can be laid on the ground in a tightened plane state, and the release end of the waterproof coiled material sequentially passes through the top, the front side and the bottom of the roller and then extends to the bottom of the rotating roller to be pressed on the ground by the waterproof coiled material wound around the outer portion of the rotating roller. The device has the advantages of improving the laying efficiency and the laying quality.

To provide a roof snow removal device having a simple structure and easy maintenance. [Solution] The roof snow removal device 10 removes snow from the roof 12 by moving snow removal boards 14, which extend toward the left and right eaves of the roof 12, from the ridge side to the eaves side. The device comprises snow removal board movement guide members 16a, 16b that support the tip of the snow removal board 14 and limit the range of movement of the snow removal board, a first wire 18a for operating the snow removal board, one end of which is fixed to the ridge side surface of the snow removal board 14, a second wire 18b for operating the snow removal board, one end of which is fixed to the eaves side surface of the snow removal board 14, and horizontal fixed wire support pulleys 20a, 20b, 20c, 20d that support the first wire 18a and second wire 18b on the roof 12 and form them into a ring shape. A wire operation motor 22 is located outdoors and has a rotating shaft 22a to which is attached a wire 18 connecting the other end of the first wire 18a and the other end of the second wire 18b.

The invention discloses a photovoltaic panel mounting device on a curved roof structure and a using method, and belongs to the technical field of building construction.A sliding frame moving along a sliding rail is arranged and serves as a main suspension and mounting component of photovoltaic panels, the photovoltaic panels are moved along the sliding rail, the photovoltaic panels are mounted in sequence, a separable riding track is arranged, and when the riding track is closed, the riding track is separated from the sliding rail. As a moving path of constructors, when a photovoltaic panel needs to be suspended, the two curved bars are driven by the telescopic cylinder to separate the two riding tracks, so that the path for suspending the photovoltaic panel is opened below the sliding frame, and the sliding frame stretches out the steel rope through the winch to hoist the photovoltaic panel located on the ground, so that the photovoltaic panel is moved upwards and installed. According to the structure, the installation efficiency of the photovoltaic panel is greatly improved, the sliding frame does not need to reciprocate at the end of the moving path and the installation position, the utilization rate and the area occupancy rate of the riding track are improved, a construction walking path in a larger range is provided, and the safety of the installation environment is improved.

The invention discloses a roof maintenance safety protection device convenient to use, and relates to the technical field of roof maintenance, the roof maintenance safety protection device comprises a safety protection mechanism and a safety hook mounted at the top of the safety protection mechanism, a supporting mechanism is arranged on one side of the safety protection mechanism, and a lifting support is arranged in the supporting mechanism; the safety protection mechanism comprises a first supporting frame, second supporting frames are arranged on the two sides of the first supporting frame correspondingly, moving sliding grooves are formed in the first supporting frame and the second supporting frames correspondingly, first telescopic sliding rods are fixedly installed in the moving sliding grooves, and second telescopic sliding rods are fixedly installed in the first telescopic sliding rods. The two ends of the first telescopic sliding rod are both slidably connected with telescopic sliding sleeves, a worker can provide stable supporting force by stepping on the first supporting frame and the second supporting frame, the situation that the worker steps on the roof to damage the roof is avoided, and meanwhile the construction safety of the worker is not facilitated; and safety protection can be carried out on workers through the safety hook and the safety connecting rope.

The civil engineering waterproof coiled material laying device comprises a sweeping board which is used for supporting waterproof coiled materials and can move freely, a uniform release mechanism for driving the waterproof coiled materials to be laid on a supporting face at a uniform speed is arranged on the sweeping board, and the uniform release mechanism comprises two sets of edge position bases fixedly connected to the sweeping board; a main spline shaft capable of freely rotating in the vertical direction is arranged between the two sets of edge position seats, the two ends of the main spline shaft are arranged on one set of edge position seats in a fixed-axis rotation mode, two sets of base frames are arranged on the main spline shaft, and fixed rotation assemblies used for supporting the inner circumferential face of the waterproof roll and driving the waterproof roll to rotate are arranged on the two sets of base frames; by arranging the uniform release mechanism, the multiple sets of inner holding plates are driven to make close contact with the inner circumferential face of the coiled material, stable supporting is provided for the coiled material, the coiled material is driven to be released step by step through rotation of the multiple sets of inner holding plates, meanwhile, the rotating speed can be automatically adjusted according to the diameter change of the coiled material, and the situation that the release speed becomes slow due to the reduction of the diameter of the coiled material is avoided; therefore, the laying efficiency is ensured.

The utility model relates to the technical field of photovoltaic glass plate equipment, in particular to a photovoltaic glass plate condensation water collecting device which comprises a support, a water collecting device, a water collecting device and a water collecting device, the support comprises an inclined plate, and a cantilever plate is arranged at the top end of the inclined plate used for installing a photovoltaic glass plate; the top end of the rubber brush is movably connected to the cantilever plate in the horizontal direction so that the rubber brush can sweep the surface of the photovoltaic glass plate, and therefore condensed water attached to the surface of the photovoltaic glass can flow downwards along the surface of the photovoltaic glass. The driving mechanism is arranged on the cantilever plate and used for driving the rubber brush to move; and the collecting tank with an opening at the upper part is connected to the lower end of the inclined plate and is used for collecting condensed water flowing down from the surface of the photovoltaic glass. The surface of the photovoltaic glass plate is swept through the rubber brush, so that the condensed water flows downwards along the surface of the photovoltaic glass plate and is collected in the collecting tank, and recycling of the condensed water is achieved.

The utility model relates to a light steel plant roof brace tensioning device which comprises a purline and a brace arranged on one side of the purline, an installation shell is installed on the purline, the two side walls of the installation shell are connected with extending connecting plates in a sliding mode through moving mechanisms, and the moving mechanisms are arranged in the installation shell. The mounting grooves are formed in the two side walls of the mounting shell, and the through groove is formed in the extension connecting plate, so that when the inclined brace is mounted, braces of other specifications do not need to be used, and the working difficulty is reduced.