818results 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 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 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.

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.

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.

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.

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 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.

Apparatuses configured to operate on an angled surface and associated systems and methods are disclosed herein. In some embodiments, an apparatus includes a body assembly, an arm assembly, and an end effector assembly. The body assembly can include a body portion, one or more wheels, one or more motors coupled to corresponding ones of the one or more wheels, and a plurality of cable connectors coupled to the rail. Individual ones of the cable connectors are configured to be coupled to corresponding cables. The arm assembly can be coupled to the body portion of the body assembly and can include a retriever. The end effector assembly can be releasably coupled to the retriever of the arm assembly and configured to carry a surface material.

The utility model discloses a reusable roof separation seam metal mold. The reusable roof separation seam metal mold comprises a cross-shaped socket and spigot joint opening and square pipe assemblies, wherein each joint opening of the cross-shaped socket and spigot joint opening is connected with the square pipe assemblies in an inserted mode; each square tube assembly is formed by sequentially connecting a plurality of square tubes in an inserted mode, and the square tube located at the head end is connected with the corresponding connector opening in an inserted mode. Compared with the prior art, the cross socket and spigot joint openings are connected with the square pipes in an inserted mode, the two connected square pipes are also connected in an inserted mode, the assembling process or the disassembling process is simple, repeated utilization can be achieved, and the use cost is reduced.

The invention relates to the technical field of constructional engineering, and discloses a basement waterproof structure and a construction technology thereof.The basement waterproof structure comprises a bearing mechanism which comprises a bearing plate and a supporting frame fixedly installed at the top of the bearing plate; the tensioning assembly is used for adjusting the tightness of the waterproof coiled material, and the pressing assembly is used for flattening the laid coiled material. Through mutual cooperation of the bearing mechanism and the adjusting mechanism, mechanical laying operation of the waterproof coiled materials is achieved, linkage of a multi-stage internal thread disc and a clamping plate is driven through threads in the fixing assembly, the coiled materials with different inner diameters are adapted, rapid clamping is completed, and then a rotary knob in the tensioning assembly drives a threaded rod and a connecting rod mechanism to move; and meanwhile, an electric telescopic rod in the pressing assembly drives a guide block to slide along an arc-shaped guide groove, a flattening roller is driven to automatically press downwards to adapt to fluctuation of a base layer, it is ensured that a bonding surface is evenly compacted, the construction efficiency and the waterproof layer quality are improved, and the labor intensity of workers is reduced.

The utility model belongs to the field of construction sites, and particularly relates to a waterproof roll paving device which comprises a cart, a supporting frame is upwards arranged on the front portion of a bottom frame of the cart, a hopper is arranged on the supporting frame, a discharging opening is formed in the bottom face of the hopper, a rotating rod is arranged at the position of the discharging opening, one end of the rotating rod penetrates through the hopper to be connected with a motor, and the motor is fixed to the bottom frame. A supporting rod is arranged on the bottom frame, a waterproof roll cylinder is sleeved on the supporting rod, and a compression roller is backwards hinged to the tail part of the bottom frame. According to the device, the waterproof roll can be laid while the slurry is sprayed, the construction efficiency is improved, the rotating rod is arranged at the discharging opening of the hopper, uneven discharging is prevented, meanwhile, the slurry is prevented from being accumulated at the discharging opening, the bonding slurry can be evenly sprayed to a base layer, and the construction quality of the waterproof roll is guaranteed.

The utility model relates to the field of daylighting panels, and discloses a high-strength fixed node daylighting panel which comprises a sliding plate, two sliding block sliding plates are slidably connected to the interiors of the two sliding plates, and hollow cuboid sliding plates are fixedly connected to the top ends of the two sliding blocks. A T-shaped plate sliding plate is slidably connected to the interior of the hollow cuboid sliding plate, a plurality of brush sliding plates are fixedly connected to the interior of the T-shaped plate sliding plate, second fixing plate sliding plates are fixedly connected to the two ends of the top of the T-shaped plate sliding plate, and a circular ring sliding plate is fixedly connected to the bottoms of the second fixing plate sliding plates. According to the daylighting panel, the detachable dust removal assembly can be detached at any time according to needs to be cleaned or replaced, dust and stains on the surface of the daylighting panel can be removed more thoroughly, it is ensured that the daylighting panel keeps good light transmission all the time, and compared with a common daylighting panel, the dust removal effect of the daylighting panel is more remarkable.

The utility model relates to the technical field of waterproof coiled material laying tools, and discloses a waterproof coiled material laying tool which comprises a movable platform, a heat insulation plate arranged at the bottom of the movable platform, a smoothing block fixedly connected with the heat insulation plate, a plurality of sliding supports arranged at the top of the smoothing block, springs tightly pressed by the sliding supports, and a linkage rod arranged above the smoothing block. The linkage rod is rotationally connected with the handle bracket and is in sliding connection with the adjusting rod; the pressing force is finely adjusted, meanwhile, the waterproof coiled material which becomes high in fluidity due to high temperature can be effectively flattened, the phenomena of bubbles and unevenness are reduced, and the labor intensity of operators is relieved.

The utility model discloses construction equipment for a TPO waterproof roll, and relates to the technical field of constructional engineering. The device comprises a base and universal wheels installed at the four corners of the bottom of the base, a dust removal mechanism is arranged on one side of the upper surface of the base, a cutting mechanism is arranged on the other side of the upper surface of the base, an installation assembly is arranged on one side of the dust removal mechanism, and an edge pressing assembly is arranged on one side of the cutting mechanism. According to the utility model, the coiled material body can be conveniently and quickly disassembled and assembled by a worker through the mounting assembly, time and labor are saved, the working efficiency is high, the coiled material body is occluded and limited by utilizing the edge pressing assembly, the coiled material body is prevented from being adhered and stacked on the base, and subsequent pulling and use are facilitated.

A method includes obtaining a spray device having a pump and a container containing an adhesive composition that does not include a propellant, operating the pump to pressurize the adhesive composition in the container to a pressure of 1 psi to 200 psi, spraying the adhesive composition from the container onto a roofing substrate to form an adhesive layer on the roofing substrate, and applying a roofing material to the adhesive layer on the roofing substrate.

The invention relates to a load distribution plate magazine (7) for a setting device (1) for the mechanical screwing in of fasteners, each consisting of a screw (60) and a large-area load distribution plate (70) for the mechanical fixing of insulation materials and waterproofing membranes on flat roofs, which are held in their respective magazines and individually removed from them to be positioned in a common screwing axis, wherein the load distribution plate magazine (7) has a cage (80) with a receiving space (83) for the load distribution plates (70) stacked one above the other in the cage, forming a magazine stack. The invention is characterized in that a ballast body (97) arranged above the magazine stack is inserted into the receiving space (83) of the load distribution plate magazine (7).The ballast body (97) ensures an appropriate contact pressure so that the singulation device for removing the lowest load distribution plate is always filled.

To provide a waterproof sheet bonding device that can supply a liquid material containing a solvent or an adhesive to an overlapping portion between waterproof sheets to be supplied with the liquid material, with excellent accuracy, even when a floor to be covered with the waterproof sheet includes a level difference, and a waterproof sheet bonding method using the waterproof sheet bonding device.SOLUTION: A waterproof sheet bonding device 1 has: a supply system 10 that supplies a liquid material to a waterproof sheet 100B from a nozzle 5; and a travel system 9 that has a vehicle body 91 and a wheel 92B rotatably supported by the vehicle body 91 and travels together with the supply system 10 as the wheel 92B rotates. The travel system 9 has a nozzle support part 3 that is linked to the front side of the vehicle body 91 and supports the nozzle 5. The nozzle support part 3 supports the nozzle 5 to be movable in the vertical direction.SELECTED DRAWING: Figure 1

The utility model relates to the related technical field of daylighting and smoke discharging skylight assembling, and provides daylighting and smoke discharging skylight assembling equipment which comprises a base and a pair of side seats, the side seats are fixed to the two sides of the base, riveting assemblies are arranged on the side seats, butt joint pressing and fixing assemblies are arranged on the base, and each butt joint pressing and fixing assembly comprises a plurality of stand columns. The stand columns are fixed to the surface of the base, platforms are arranged at the upper ends of the stand columns, the grooves are formed in the four opposite edges of the surface of the base, and first air cylinders are arranged on the inner side surfaces of the grooves. By means of the technical scheme, the problems that in the prior art, frames are connected one by one, then screws or rivets are driven for fixed connection, but manual operation is complex, efficiency is low, and dislocation is prone to occurring are solved.

The present application relates to the technical field of building waterproof construction machinery and equipment, and discloses a roof modified asphalt automatic spreading and crack self-adaptive follow-up device and method, which comprises a vehicle body, the upper surface of the vehicle body is provided with a motor seat, the upper surface of the motor seat is provided with a motor one, the output end of the motor one is fixedly provided with a bevel gear two, the tooth end of the bevel gear two is meshed and connected with a bevel gear one, the middle part of the bevel gear one is fixedly provided with a connecting shaft, one end of the connecting shaft is provided with a heating mechanism, the other end of the connecting shaft penetrates through a feeding shell and is fixedly provided with a rotating shaft three, and the middle part of the rotating shaft three is provided with a ventilation cavity. The rotating shaft three is rotated by the motor one driving the nozzle and the auger blade two, internal direct injection heating and synchronous flow pushing are further achieved, and therefore the problem that the traditional heating equipment mostly adopts a static jacket structure, the heat conduction path to the inner core is too long, and the inner core material melting is not complete is improved.

The invention discloses a steel structure special-shaped metal roof reverse suspended ceiling sliding device and a construction method, and relates to the field of building construction. The steel structure special-shaped metal roof reverse suspended ceiling sliding device comprises a steel structure platform and a platform car, the steel structure platform comprises a first telescopic platform body and a second telescopic platform body, and the first platform body and the second platform body are provided with a first track and a second track respectively; the bottoms of the ends, away from the rotating shaft, of the first platform and the second platform are each provided with a sliding type clamp, and the sliding type clamps are configured to be fixedly arranged, slidably arranged or separated from end steel pipes of the truss in a sleeving mode. The bottom of the rotating shaft is connected with a middle hoop which can be fixed on or separated from an inclined steel pipe on the truss; the platform car is provided with at least two wheels capable of moving along the first track and the second track, a brake device used for locking or unlocking the wheels and at least one safety belt. The steel structure special-shaped metal roof reverse suspended ceiling sliding device and method have the advantages that stability and safety are high, the position can be adjusted by bypassing a roof purlin support, and the construction efficiency is high.

The utility model relates to the technical field of building construction, in particular to a waterproof roll laying device which comprises a rack, a transmission roller and a cleaning roller are rotationally connected to the rack, a flattening assembly is slidably connected to the position, corresponding to the transmission roller, of the bottom of the rack, and a rolling assembly is arranged on the rack. A first sliding groove is formed in the bottom of the rack; a first transmission wheel is fixedly connected to the end, away from the driving piece, of the transmission roller. The waterproof roll has the beneficial effects that when the waterproof roll is used, a laying surface is cleaned, the situation that sundries such as stones and dust affect the laying effect of the waterproof roll is avoided, the situation that the waterproof roll is punctured by sharp sundries such as stones between the laying surface and the waterproof roll is avoided, and therefore the overall waterproof effect of the waterproof roll is ensured; and meanwhile, air covered in the middle of the waterproof coiled material can be extruded out, the waterproof coiled material is rolled by a rolling roller, and the attaching tightness between the waterproof coiled material and the laying face is further ensured.

The utility model relates to the technical field of house waterproof equipment, and discloses a steel structure roof waterproof joint sealing treatment mold which comprises a roof, a mold closing mechanism is arranged above the roof, a steel structure column pier is arranged at the top of the roof, a functional box is arranged above the roof, a motor is fixedly installed on the inner wall of the top of the functional box, and a bidirectional mechanism is arranged in the functional box. Two seat holes are formed in the bottom of the functional box, a lifting mechanism is arranged at the bottom of the functional box, a handle is arranged at the top of the functional box, an electric push rod is arranged above the roof, and the top end of an output shaft of the electric push rod is fixedly connected with the bottom of the functional box. Compared with the prior art, the sealing device has the following advantages and effects that by arranging the mold closing mechanism, the two sealing mold bases can be close to each other for mold closing, the sealing glue cavity can be formed through the two sealing glue grooves, and sealing treatment can be conducted on waterproof joints on the periphery of the steel structure column pier by injecting sealing glue into the sealing glue cavity.

The utility model discloses a positioning device which comprises a connecting piece and a plurality of positioning assemblies, and scales are arranged on the connecting piece. Any positioning assembly avoiding scale is connected with the connecting piece, and the distance between every two adjacent positioning assemblies is suitable for being adjusted under the action of external force, so that the distance between every two adjacent positioning assemblies is adjusted to be the target distance; when the fixing pieces are installed, any fixing piece is suitable for being connected with one positioning assembly in an abutting mode, so that when the fixing pieces are installed, the distance between any two adjacent fixing pieces is the target distance. According to the positioning device of the structure, the mounting efficiency of the fixing piece is improved, and the positioning accuracy of the fixing piece is improved.

The invention relates to the technical field of waterproof coiled material laying, in particular to a roof structure for laying thermoplastic polyolefin waterproof coiled materials and a laying method thereof.The roof structure comprises a roof structure layer and further comprises a leveling layer arranged on the roof structure layer; the waterproof roll layer is arranged on the leveling layer, and the waterproof roll layer is a laminated composite material and comprises a thermoplastic polyolefin surface layer, a reinforcing layer and an asphalt self-adhesion bottom layer; wherein the reinforcing layer is made of one of a polyester base, glass fiber gridding cloth or polypropylene fiber cloth. According to the waterproof coiled material, the waterproof coiled material layer formed by compounding the thermoplastic polyolefin surface layer, the reinforcing layer and the asphalt self-adhesion bottom layer is adopted, advantage complementation of properties of different materials is achieved, and the thermoplastic polyolefin surface layer endows the coiled material with excellent weather resistance, chemical corrosion resistance and reflective insulation effect; the reinforcing layer improves the overall mechanical strength, tear resistance and dimensional stability of the coiled material.

The invention relates to a cleaning device (1) for cleaning the surface of solar panels, photovoltaic systems, glass roofs, facades or other smooth surfaces, comprising a cleaning unit (2), a support and positioning device (3) with a boom arm (8) pivotable about a horizontal first transverse axis (10) by means of a first actuator (11) and a support arm (15) pivotably arranged on the boom arm (8) for positioning the cleaning unit (2) and a load balancing device (20, 21) arranged on the support and positioning device (3) for adjusting and automatically regulating the contact pressure acting by the cleaning unit (2) on the surface to be cleaned.According to the invention, the support arm (15) can be pivoted by a second actuator (17) about a second transverse axis (16) parallel to the first transverse axis (10) between a park position folded back onto the boom arm (8) above the boom arm (8) and an unfolded cleaning position.

A roof cutter and a method of cutting a roof is provided. The roof cutter includes a base that is movable between a retracted configuration and a cutting configuration. In the retracted configuration, the blade is displaced from the roof. In the cutting configuration, the blade is positioned so as to facilitate cutting of the roof. The roof cutter includes a stop assembly and an engagement member that is configured to engage with the stop assembly when the base is in the cutting configuration, thereby establishing a maximum cutting depth. A dampening mechanism softens impacts associated with the blade moving to the cutting depth and absorbs vibrations associated with cutting the roof at the cutting depth. An adjustment assembly is configured to selectively adjust the cutting depth and / or to selectively restrain the base in the retracted configuration, thereby preventing the blade from cutting the roof.

The utility model relates to waterproof paint construction equipment technical field, name is a kind of waterproof paint's pouring device, including device frame, there is running roller driven by running motor in the lower surface of device frame, handrail is installed in the rear of device frame, paint bucket is installed in the front of device frame, the paint bucket is connected with paint effluent pipe, the paint effluent pipe is connected with paint effluent transverse pipe, the paint effluent transverse pipe has multiple flow outlets, multiple flow outlets can spray paint to the roof to be spreaded;The flow outlet is installed on device frame by spring, and vibration device is also installed on paint effluent pipe. With the speed of the waterproof paint flowing out fast, some construction requirements can be satisfied.