116results about How to "No overturning" patented technology

The invention relates to a drawer-type power control cabinet assembly capable of dehumidifying, which comprises a control cabinet part (1), a drawer push-out part (5) and foot margins (25) fixed on a floor. The control cabinet part (1) and the drawer push-out part (5) are fixedly connected together; a plurality of power control drawer boxes (2) are arranged up and down in the control cabinet part (1); the drawer push-out part (5) are used for pushing out the power control drawer boxes (2) in the control cabinet part (1); the drawer push-out part (5) comprises a supporting body, a lifting driving part, a push-out driving part and a latch driving part; the lifting driving part comprises a lifting motor (4), a lifting driving screw (16) and a guide rod (15); and the lifting motor (4) is connected with the upper end of the lifting driving screw (16) so as to drive the lifting driving screw (16) to rotate.

The invention relates to a stair-climbing method for a crawler-type mobile robot with guide arms, which is characterized by comprising the following steps: step one: the robot moves near the stair, the guide arms rotate downward; the robot is lifted after being contacted with the stair step and climbs the stair forward; when an ultrasonic and infrared distance-measuring sensor on the robot measures that the distance between the robot and the object at the front is larger than the width of the stair step and judges that the robot climbs to the top of the stair, the robot can stop climbing; step two: the guide arms rotate downward till the front ends of the guide arms are contacted with the ground; when the rotating shafts of the guide arms generate torque M which is larger than the set value, the guide arms stop rotating, the robot climbs upward continuously, the guide arms are separated from the ground with the climbing of the robot, the torque M disappears and the robot stops climbing; step three: the step two is repeated, a two-dimensional attitude sensor measures that the inclined angle Phi between the body and the horizontal plane is reduced with the climbing of the robot, and when the robot climbs continuously till the inclined angle Phi is not reduced, the robot stops climbing, the guide arms rotate backward and stop rotating when the inclined angle Theta between the guide arms and the body is 45 degrees.

The invention discloses a drawer type electric control cabinet assembly. The drawer type electric control cabinet assembly comprises a control cabinet part (1), a drawer pushing-out part (5) and a ground foot (25) fixed to a floor, wherein the control cabinet part (1) and the drawer pushing-out part (5) are fixedly connected together, multiple electric control drawer boxes (2) are arranged in the control cabinet part (1) with one above another, the drawer pushing-out part (5) is used for pushing out the electric control drawer boxes (2) in the control cabinet part (1) and comprises a supporting body, a lifting driving part, a pushing-out driving part and a locking driving part, the lifting driving part comprises a lifting motor (4), a lifting driving screw (16) and a guiding rod (15), and the lifting motor (4) is connected with the upper end of the lifting driving screw (16) and is used for driving the lifting driving screw (16) to rotate.

A drawer-type electric power control cabinet assembly with a position sensor comprises a control cabinet part (1), a drawer push-out part (5) and ground legs (25) fixed to a floor, wherein the control cabinet part (1) and the drawer push-out part (5) are fixedly connected together, a plurality of electric power control drawer boxes (2) which are arranged in an up-and-down mode are arranged in the control cabinet part (1), the drawer push-out part (5) is used for pushing out the electric power control drawer boxes (2) in the control cabinet part (1), the drawer push-out part comprises (5) a supporting body, a lifting driving part, a push-out driving part and a lock catch driving part, the lifting driving part comprises a lifting motor (4), a lifting driving screw (16) and a guiding rod (15), and the lifting motor (4) is connected with the upper end of the lifting driving screw (16) and used for driving the lifting driving screw (16) to rotate.

A drawer-type electric power control cabinet assembly with an alarming device and a position sensor comprises a control cabinet part (1), a drawer push-out part (5) and ground legs (25) fixed to a floor, wherein the control cabinet part (1) and the drawer push-out part (5) are fixedly connected together, a plurality of electric power control drawer boxes (2) which are arranged in an up-and-down mode are arranged in the control cabinet part (1), the drawer push-out part (5) is used for pushing out the electric power control drawer boxes (2) in the control cabinet part (1), the drawer push-out part (5) comprises a supporting body, a lifting driving part, a push-out driving part and a lock catch driving part, the lifting driving part comprises a lifting motor (4), a lifting driving screw (16) and a guiding rod (15), and the lifting motor (4) is connected with the upper end of the lifting driving screw (16) and used for driving the lifting driving screw (16) to rotate.

A micro-electric hoist belongs to items traveling tool. It includes motor, reducer, winch wound with twisted rope, cover piece which top centre is equipped with hanger and hanger fixed one the terminal end of twisted rope, a pair of shell walls of said cover piece are equipped with first and second axle hole respectively, the first and second axle holes are equipped with the upper and lower pulley fixed axle, the upper and lower pulley fixed axles are equipped with upper and lower pulley yoke respectively, the upper and lower pulley yoke are pivot equipped with upper and lower pulleys, the upper and lower pulleys are below the winch and motor respectively, the twisted rope twist on the upper and lower pulley respectively, said hanger, lower pulley and hooker are in same longitudinal axial cord. Advantages: installation is easy, it can maintain the lifted heavy objects in the same axial cord with lower pulley and hooker, the tipping phenomenon does not happen; after open the cover piece side cover, the winch and twisted rope can be replaced conveniently; the arrangement of the hand grip is convenient for carrying and taking away; the arrangement of the first and second block tongue can ensure security.

A drawer type electric control cabinet assembly with the insect prevention function comprises a control cabinet part (1), a drawer pushing-out part (5) and ground feet (25) fixed to a floor, wherein the control cabinet part (1) and the drawer pushing-out part (5) are fixedly connected together, a plurality of electric control drawer boxes (2) are vertically arranged in the control cabinet part (1) from, and the drawer pushing-out part (5) is used for pushing out the electric control drawer boxes (2) in the control cabinet part (1). The drawer pushing-out part (5) comprises a supporting body, a lifting driving part, a pushing-out driving part and a lock catch driving part, the lifting driving part comprises a lifting motor (4), a lifting driving screw (16) and a guide rod (15), and the lifting motor (4) is connected with the upper end of the lifting driving screw (16) and used for driving the lifting driving screw (16) to rotate.

A drawer type electric control cabinet assembly with the dust removal and heat dissipation functions comprises a control cabinet part (1), a drawer pushing-out part (5) and ground feet (25) fixed to a floor, wherein the control cabinet part (1) and the drawer pushing-out part (5) are fixedly connected together, a plurality of electric control drawer boxes (2) are vertically arranged in the control cabinet part (1), and the drawer pushing-out part (5) is used for pushing out the electric control drawer boxes (2) in the control cabinet part (1). The drawer pushing-out part (5) comprises a supporting body, a lifting driving part, a pushing-out driving part and a lock catch driving part, the lifting driving part comprises a lifting motor (4), a lifting driving screw (16) and a guide rod (15), and the lifting motor (4) is connected with the upper end of the lifting driving screw (16) and used for driving the lifting driving screw (16) to rotate.

The invention relates to a control system of a drawer type electric control cabinet assembly with a position sensor. The control system includes a controller, a motor driving circuit, a drawer type electric control cabinet assembly and a position sensor; the drawer type electric control cabinet assembly includes a control cabinet part, a drawer push-out part and ground feet fixed on floor; the control cabinet part and the drawer pull-out part are fixedly connected together; a plurality of electric control drawer boxes which are arranged in an up-down manner are located in the control cabinet part; the drawer push-out part is used for pushing out the electric control drawer boxes in the control cabinet part; the drawer push-out part comprises a supporting body, a lifting driving portion, a push-out driving portion and a locking driving portion; the lifting driving portion comprises a lifting motor, a lifting driving screw and a guide bar; and the lifting motor is connected with the upper end of the lifting driving screw, and is used for driving the lifting driving screw to rotate.

The invention discloses an underwater umbilical cable terminal base plate device which comprises a slab foundation, a supporting platform installed on the slab foundation, rigid arms, a rear limiting block, a front limiting block and a protective cover arranged on the supporting platform. The rigid arms, the rear limiting block and the front limiting block are installed on the slab foundation. An umbilical cable terminal device support is arranged on the supporting platform, the two sides of the slab foundation are respectively provided with a pin shaft supporting base, and two supporting base lifting lugs pivoted to the rigid arms through pin shafts are arranged on the pin shaft supporting bases. Each rigid arm is mainly of a U-shaped pipe structure. The upper portion and the lower portion of the U-shaped pipe are provided with lifting lugs respectively. The front limiting block is arranged at the front end of the slab foundation, and the rear limiting block is arranged at the rear end of the slab foundation. The underwater umbilical cable terminal base plate device and umbilical cables can be laid and installed together, and operations such as underwater complex abutting connection and locking are avoided. In addition, the lower umbilical cable is prevented from being excessively bent, and the requirement for umbilical cable installation bent radius is met; an umbilical cable terminal can be prevented from being impacted and damaged by fallen objects, and the umbilical cable terminal device is effectively protected.

The invention discloses a wind energy capture method applied to large and medium-sized magnetic suspension yaw wind turbine generators. The method combines cabin suspension regulation and control, yaw wind facing, laterodeviation protection and generator power control, comprises two parts, namely the power tracking control of a generator and the yaw control of a rotating body of the wind turbine generator, and realizes maximum wind energy capture at a rated wind speed, laterodeviation protection at the rated wind speed and unit safety protection at a cut-out wind speed. Due to different wind speeds and different wind directions, work is separately carried out in the three working modes of suspension wind energy capture, non-suspension wind energy capture and unit safety protection, the power control of the generator and the yaw of the rotating body of the wind turbine generator are cooperatively regulated and controlled, and the safe capture of wind energy power is realized. The wind energy capture method effectively improves the yaw control precision of the wind turbine generator, the power control precision of the generator, the wind energy capture efficiency and the wind energy capture safety of the wind turbine generator.

The invention provides a construction method for synchronously jacking the whole bridge to replace a support, and belongs to the field of municipal construction. The construction method comprises thefollowing steps that S1, preparation work is carried out before jacking; S2, jacking preparation is carried out; S3, trial jacking is carried out; S4, a main beam is jacked synchronously; and S5, thesupport is replaced. Temporary supporting is conducted so that the old support is withdrawn, a leveling steel plate is additionally arranged, and the beam is fallen down; after the leveling steel plate and the new support are installed, beam falling and reset operation can be conducted, all jacks are subjected to oil returning and beam falling synchronously, the beam body needs to be kept overallbalanced in the beam falling process, and synchronous overall beam falling is conducted according to the jacking inverse process and in a graded mode till the beam body is completely fallen. Accordingto the construction method, on the premise that the bridge structure is not damaged and the stress condition of the bridge structure is not changed, the limitation that the engineering beam is largein tonnage, small in space and the like is effectively solved by adopting a multi-point whole jacking mode, the support is replaced well, and the bridge operation condition is good.

The invention relates to a staircase vehicle, in particular to a multi-function power-operated staircase vehicle capable of freely going upstairs and downstairs and running on the ground, and belongs to the technical field of traffic transportation tools. The multi-function power-operated staircase vehicle is characterized in that: the vehicle is driven by a power-operated force, and a specific caster structure is used for enabling the vehicle not to jolt when the vehicle goes upstairs and downstairs and runs on the ground; a balance gravity mechanism is adopted, so that the vehicle does not topple over because of the weight transfer when going upstairs and downstairs; and the vehicle is driven by the power-operated force so as to go upstairs and downstairs and run stably on the ground, so that the vehicle brings convenience to people with impaired mobility, and the normal work and life of the people are ensured.

The invention relates to a scroll compressor which includes a non-revolution vortex part and a revolution vortex part. An elastic deadening cavity for discharging air consists of a driving shaft which is supported by the bearing of a frame, the back lateral of the non-revolution vortex part and an upper casing commonly. The back lateral of the non-revolution vortex part is pressed to be in contact with the inner wall of the deadening cavity through a sealing component in a way of sliding. The deadening cavity is communicated with an air discharging cavity which is arranged on a motor side on the lower part of the compressor and is formed by a frame, a main casing and a sealing part in a way of sealing. The design optimizes the contact force between the non-revolution vortex part and the revolution vortex part and between the revolution vortex part and the frame in the maximal degree. The non-revolution vortex part under the pressure function of high-pressure gas in the deadening cavity on the back lateral of the non-revolution vortex part and the revolution vortex part under the pressure function of high-pressure fluid on the back lateral of the revolution vortex part are in closely contact with each other and are sealed axially. The non-revolution vortex part is arranged on an installation mechanism in a way of sliding upwards and downwards and can move axially within a certain range.

The present invention relates to water flow blocking apparatus for semi-submersed underwater construction, and belongs to the field of marine engineering technology. The water flow blocking apparatus has a U-shaped hull with opening in the prow; four upright columns in the four corners of the opening; flow blocking plates connecting the upright columns; door hinged to the upright columns in the prow; and decks laid in the upper part of the apparatus and supported with the four upright columns. The present invention may be used to surround a steel pipe pile group of pier to form one job area with less water flow influence, and this can ensure the job stability in floating and semi-submersed operation. In addition, the present invention may be also applied in other places where less water flow influence on operation is needed.

The present application discloses a concrete shotcrete vehicle, which includes an automobile chassis system, a boom system, an electrical control system, a hydraulic control system, a heat dissipation system, an additive system and a pumping system. The automobile chassis system includes a cab and a chassis. The cab is connected to the chassis for moving the chassis, the boom system, the electrical control system, the hydraulic control system, the cooling system, the additive system and the pumping system They are all arranged on the chassis so that the weight of the whole vehicle of the shotcrete vehicle is distributed symmetrically with the center line of the chassis along the advancing direction. The concrete shotcrete vehicle provided by the application has a large operating range, a compact structure and stable operation.

The invention discloses a tap with a soap dispenser. The tap comprises a main body, and the soap dispenser arranged on the main body; a water flowing channel is formed in the main body, and comprises a water inlet end and a water outlet end; the water inlet end is provided with a joint for connecting with an external pipe fitting; the water outlet end is connected with a water outlet bent pipe; a flexible bending part is arranged on the water outlet bent pipe; a fixed rod is arranged on the water outlet bent pipe; one end of the fixed rod is fixedly connected with the water outlet bent pipe, and an elastic buckle is arranged at the other end; the water outlet bent pipe is provided with a clamping groove in buckling fit with the elastic buckle; the middle part of the water flowing channel communicates with a water control cavity; a water control valve element is arranged in the water control cavity; the soap dispenser comprises a soap bottle, and a pressing discharge structure arranged in a bottle opening of the soap bottle; the main body is provided with a cavity for accommodating the soap bottle; and the pressing discharge structure is arranged at the external of the main body. The tap with the soap dispenser has such advantages as convenience in use, less occupied space and possession of the soap dispenser.

The invention discloses a rail-mounted circuit breaker operation trolley, which is characterized in that a transfer trolley is firstly aligned with an inlet of a circuit breaker chamber, then the transfer trolley transfers out two rails located in sliding grooves, the rails are pulled to the needed extending length, the rails are in lap joint with a bottom plate of the circuit breaker chamber, thetwo rails are adjusted to be aligned with walking wheels on a circuit breaker, and then the circuit breaker is dragged to an object bearing table along the rails. Firstly, the object bearing table and the bottom plate of the circuit breaker chamber are connected into a load bearing main body through the two rails, when the circuit breaker is dragged to the object bearing table of the transfer trolley from the circuit breaker chamber, the transfer trolley is stressed uniformly, the transfer trolley is stable and not prone to overturning, and the carrying efficiency is improved; and secondly, the distance between the two rails can be adjusted to adapt to circuit breakers of various specifications.

The invention discloses a weight supporting device of a fire-fighting robot. The robot comprises a robot body and a water cannon head, the water cannon head is arranged on the top of the robot body, afront motor power device is arranged on the front portion of the robot body, front weight base discs are arranged at the positions, on the two sides of the front motor power device, of the robot body, the front motor power device is connected with the front weight base discs through transmission rods, the front weight base discs and the connected transmission rods are fixedly connected, a rear motor power device is arranged on the rear portion of the robot body, rear weight base discs are arranged at the positions, on the two sides of the rear motor power device, of the robot body, the rear motor power device is connected with the rear weight base discs through transmission rods, and the rear weight base discs are fixedly connected with the connected transmission rods. The contact area between the robot and the ground during water spraying is increased, when the fire-fighting robot works, the larger water spraying amount can be provided, and it is ensured that the device cannot turn over.

The invention discloses a swinging type shock insulation layer capable of achieving overall sliding friction of the bottom surface. The shock insulation layer comprises a bottom surface spherical shell and an upper-portion spherical-surface framework, wherein the lower side of the bottom surface spherical shell and a concrete foundation or a lower structure are cast integrally, and the upper surface is a large-span large-curvature-radius arc spherical surface; the upper-portion spherical-surface framework is formed by connecting a plurality of sliding blocks, connecting beams, load bearing pillars and connecting components, the lower portions of the connecting components are welded to the sliding blocks, the sides of the connecting components are connected with the connecting beams, the upper portions of the connecting components are connected with an upper structure through the load bearing pillars, the sliding blocks are in lap-joint with the upper surface of the bottom surface spherical shell, the lower surfaces of the sliding blocks keep consistent with corresponding positions of the arc spherical surface, and point-contact is avoided. The sliding spherical-surface framework is formed through connection between the sliding blocks and forms the swinging type shock insulation layer capable of achieving overall sliding friction of the bottom surface together with the bottom surface spherical shell. The bottom surface spherical shell has a large span, the allowed deformation in the horizontal direction is far higher than that of a shock insulation support, and the horizontal deformation of the shock insulation layer under super-large shock can be completely met.

A rotating coat distributing machine comprises a rack and a shell, conveying wheels are arranged on the lower portion of the rack, and the main conveying wheels are connected with movable wheels installed on the upper portion of the rack through chains; multiple coat hopper assemblies are fixed between the chains and each comprises a coat hopper, a fixed disc, a connecting arm and a movable arm, wherein a sliding block is arranged at the outer side of the other end of the movable arm and is in slide fit with a sliding way fixed on the rack; a coat taking opening is formed in the front end of the rack. Each coat hopper is used as a storage unit, by means of rotation of a motor, the coat hoppers correspond to the coat taking opening so that coats in the coat hopper can be taken out. The sliding block on each movable arm is matched with the sliding way, so that the corresponding coat hopper is always kept in one direction in the rotating direction instead of toppling. Coats in the coat hoppers are kept in the horizontal folded state in the rotating process, and the operating coats can be stacked in a coat box without curling or binding and are convenient to put and take.

The invention discloses an elevator structure capable of operating horizontally and belongs to the technical field of elevator structures. The elevator structure comprises a hydraulic braking structure, a top rail groove, a top rail, a front car door system, a right side edge wheel support, a right side edge wheel, a right side edge rail, a right drive wheel, a right drive wheel rail, a drive motor, a left drive wheel rail, a left drive wheel, a drive wheel support, a left side edge rail, a left side edge wheel, a left side edge wheel support, a car frame and a rear car door system. The elevator structure has the beneficial effects that the according to the elevator structure capable of operating horizontally, through matching of hydraulic braking, double car doors and different rails, stable operation of a car in a horizontal floor is achieved.

The invention a drawer type power control cabinet assembly with a lighting device. The drawer type power control cabinet assembly comprises a control cabinet part (1), a drawer push-out part (5) and feet (25) fixed on the floor, wherein the control cabinet part (1) is fixedly connected with the drawer push-out part (5); a plurality of power control drawer boxes (2) placed up and down are arranged in the control cabinet part (1); the drawer push-out part (5) is used for pushing out the power control drawer boxes (2) in the control cabinet part (1); the drawer push-out part (5) comprises a supporting body, a lifting drive part, a push-out drive part and a locking drive part; the lifting drive part comprises a lifting motor (4), a lifting driving screw (16) and a guide rod (15); the lifting motor (4) is connected with the upper end of the lifting driving screw (16) and used for driving the lifting driving screw (16) to rotate.

The invention relates to apipe fitting fetching and placing car used for civil engineering. The trolley comprises a flat car and a fixing board. The middle part of the upper surface of the flat car is welded and fixed with a vertical board. The middle part of the vertical board is rotatably connected with a hydraulic elevating contracted rod. The tail end of an inner rod of the hydraulic elevating rod is rotatably connected with a middle part of a connecting rod. One end of the connecting rod is rotatably connected to the lower part on one side of the vertical board and the other end thereof is rotatably connected with the middle part of the inside of the fixing board. The outside of the fixing board is horizontally fixed with hooks by welding. The upper surface of a protrusion on one side of the flat car is fixed with a pull rod by welding. The upper surface of a protruding platform on the other side of the flat car is provided with an electric cabinet. Two sides of the upper surface of the vertical board are provided with working alarm lamps. Limiting hooks are rotatably installed in through holes cut by the upper parts of hook bodies of the hooks. The pipe fitting fetching and placing car used for civil engineering has the following beneficial effects: the hooks are fixing pipe fittings; the hydraulic elevating contracted rod and a hydraulic elevator enable the pipe fittings to be stored vertically during storage; when being fetched for use, the pipe fittings are horizontally placed and conveniently fetched; operation is easy; and working effect is good.

The invention provides an automatic lifting device of a heavy-load roof door. The device is provided with four main body mechanisms, wherein the four same main body mechanisms are fixedly arranged on four corners of a wind tunnel roof door respectively; a roof rood support arm is arranged at the upper end of a movable guide rail by a horizontal-sliding roller; the lower end of the movable guide rail is connected with the upper end of a jacking spiral lifter by a self-adjustment flexible mechanism; two sides of the movable guide rail are connected with a guide plate by a guide roller; the guide plate is connected with a base and a fixed guide rail; a left side and a right side at the lower end of the movable guide rail are provided with an adjustable positioning support pillar respectively; and a pulling tray moving motor is connected with a pulling tray. Each industrial control computer is provided with an operation interface and a motion control program, and by a motion control card and an IO expansion card of the computer, motion control of an alternating current servo motor can be realized by using a motion control function of the control card. By the device, the heavy-load roof door can be automatically opened and closed, and the device is stable, reliable and safe to operate.

The invention discloses a telescopic roadway stacking machine. The telescopic roadway stacking machine comprises a translation mechanism, a lifting stand column, a cargo carrying table and a controller, the cargo carrying table is arranged on the lifting stand column, the lifting stand column is arranged on the translation mechanism, the translation mechanism is matched with a guide rail which isarranged on the ground, the translation mechanism and the lifting stand column are electrically connected with the controller correspondingly, the translation mechanism comprises a translation drive,rolling wheels and a base, the base is an inverted U-shaped frame, the rolling wheels are symmetrically arranged at the two ends of the base and matched with the guide rail, a shaft of one rolling wheel is connected with the translation drive, and the translation drive is electrically connected with the controller. According to the telescopic roadway stacking machine, the translation mechanism enables the whole stacking machine to be compact in structure and small in occupied area, the stability of the whole stacking machine is guaranteed through an auxiliary supporting device, dependence on asky rail is avoided, overturning does not occur, cargo lifting at different heights can be achieved through the telescopic lifting stand column, and through control operation, the whole stacking machine runs smoothly, and the automatic operation is convenient and fast.

The invention discloses a claw for movably clawing a temperature measurement probe in the metallurgical industry, which is related to the technical field of a metallurgical robot, and is used for solving a problem of high danger coefficient and poor mounting efficiency in existing manual assembling of the temperature measurement probe and instability in implementation of assembling a temperature measurement gun and the temperature measurement probe in an automatic temperature measurement work. The claw comprises an air cylinder driving mechanism, a fixed bracket and a mechanical gripper execution mechanism, wherein the air cylinder driving mechanism is arranged on an upper end face of the top end of the fixed bracket, a piston rod of the air cylinder driving mechanism is fixedly connectedwith a middle connection sliding block, a lower end face of the top end of the fixed bracket is symmetrically, vertically and fixedly connected with two sliding guide rails, left and right ends of themiddle connection sliding block are respectively mounted on the sliding block guide rails in a sleeving form and perform straight reciprocating motion along a height direction of the sliding block guide rails, a middle part of the middle connection sliding block is vertically and fixedly connected with a rotational connection rod, and the mechanical gripper execution mechanism is arranged at a lower end of the fixed bracket. The claw provided by the invention is used for clawing the metallurgical temperature measurement probe.

The invention relates to an automatic nail insertion device of a prefabricated laminated plate with positioning nails. The automatic nail insertion device of the prefabricated laminated plate with thepositioning nails comprises a horizontal sliding mechanism, a longitudinal sliding mechanism, a nail entering mechanism and a flattening mechanism, wherein the nail entering mechanism comprises an insertion assembly arranged on the longitudinal sliding mechanism, a cement collecting assembly used for chiseling a pit in a cement board in a closed state and used for collecting scattered cement intothe chiseled pit in an opened state, a pressure limiting assembly arranged on the insertion assembly in a sleeving mode and used for limiting the scattered cement and a control assembly which is linked with the cement collecting assembly and used for controlling the nails in the insertion assembly to perform intermittent discharging; and the flattening mechanism comprises a tensioning assembly which is arranged at the rear of the moving track of the insertion assembly and is used for flattening the cement board with nail-driving completing and a guiding assembly which is used for guiding thesliding track of the tensioning assembly. The technical problems that large-sized stones are encountered and the pit is difficult to chisel when a hole is drilled on a prefabricated board after solidification, and after the nails are installed vertically, the installation of a heating pipe is affected due to falling off of the nails are solved

The invention relates to a quick connection releasing mechanism. The quick connection releasing mechanism comprises two sets of supporting frames arranged on a launching pad in a spaced mode; each setof supporting frames is provided with a connection releasing assembly, and the two connection releasing assemblies are used for jointly clamping a carrier; each connection releasing assembly comprises a driving mechanism and an enclasping mechanism directly or indirectly arranged on the driving mechanism, and the driving mechanism is used for driving the enclasping mechanism to move; locking mechanisms are used for locking positions of the enclasping mechanisms; elastic retraction devices are directly or indirectly connected with the enclasping mechanisms in a tensioning state; and the locking mechanisms are configured to be unlocked when the carrier is launched so as to release the enclasping mechanisms. By adopting the quick connection releasing mechanism, The carrier can be held tightly to be prevented from toppling in a vertical state and can be rapidly separated before being launched, and it is guaranteed that the carrier can be normally blast off.

The invention discloses a tie system of an assembly type suspension scaffold. The tie system comprises a plurality of cantilever beams and the scaffold erected on the cantilever beams, and each cantilever beam is obliquely provided with a steel bar pull rod for tying the outer end of the cantilever beam with an upper-layer building structural beam; and the upper ends of the steel bar pull rods areconnected with the upper-layer building structural beams through upper connecting assemblies, the lower ends of the steel bar pull rods are connected with the cantilever beams through lower connecting assemblies, and turnbuckles are arranged on the steel bar pull rods. According to the tie system of the assembly type suspension scaffold, the steel bar pull rods are arranged on the cantilever beams to be tied to the upper-layer building structural beams, and it is guaranteed that the cantilever beams are stably connected.