CN216476251U - Safety protection platform that construction was used - Google Patents

Abstract

The utility model relates to the technical field of building construction equipment, in particular to a safety protection platform for building construction, which comprises a frame body, a lifting system, an electric control system and a safety protection system, wherein the lifting system is used for enabling the frame body to move up and down and is provided with a plurality of electric hoists; the safety protection system is including being used for preventing the anti-falling device that the protection platform accident fell when ascending or descending for the false component that connects is prevented to the circuit that automated inspection circuit electric current phase sequence and carry out the phase sequence regulation, anti-falling device with operating system swing joint, the circuit prevent mistake connect the component with electric block the equal electricity of electrical system connects. The utility model provides a safer and more reliable safety protection platform for building construction.

Description

Safety protection platform that construction was used

Technical Field

The utility model relates to the technical field of building construction equipment, in particular to a safety protection platform for building construction.

Background

In the building construction, a scaffold is required to be used as auxiliary construction equipment for the construction of outer walls of high-rise buildings and super high-rise buildings, a plurality of electric hoists are generally required to be used as lifting driving devices in upgradable scaffolds, but the electric hoists realize opposite lifting or descending movements through forward rotation or reverse rotation, and the existing scaffolds are not provided with devices specially used for monitoring the phase sequence of each electric hoist, so that in the process of primary use, the phase sequences at the branch hoisting points of different electric hoists are possibly inconsistent, and accidents occur during lifting; in addition, although some existing scaffolds are provided with the anti-falling device, the anti-falling device only aims at preventing the scaffold from falling in the rising process, and cannot prevent the scaffold from accidentally falling in the falling process.

Chinese patent CN201460186U discloses an attached lifting scaffold, which also has a lifting function by using an electric hoist, and also has an anti-falling device, but the anti-falling device only has an anti-falling function when the scaffold is lifted, and cannot prevent falling when the scaffold is lowered, and meanwhile, the device does not monitor or adjust the wiring phase sequence of the electric hoist, and may cause misoperation when the scaffold is first wired.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a safer and more reliable safety protection platform for building construction.

In order to solve the technical problems, the utility model adopts the technical scheme that:

the safety protection platform for building construction comprises a frame body, a lifting system, an electric control system and a safety protection system, wherein the lifting system is used for enabling the frame body to move up and down and is provided with a plurality of electric hoists; the safety protection system comprises a falling prevention device for preventing the protection platform from falling accidentally when ascending or descending, a circuit misconnection prevention element for automatically detecting the circuit current phase sequence and carrying out phase sequence regulation, the falling prevention device is movably connected with the lifting system, and the circuit misconnection prevention element is electrically connected with the electric hoist and the electric control system.

The support scaffold is used as equipment for providing a construction site for construction workers during construction of a high-rise building, the lifting system is used for realizing up-and-down movement of the support body, the electric control system is used for controlling movement of the lifting system so as to meet lifting requirements of the support body, the safety protection system plays a safety protection role on the support body and mainly performs safety protection from two aspects, and on one hand, the anti-falling device is arranged, so that the anti-falling device can prevent accidental falling when the support body rises and can also prevent accidental falling when the support body descends, safety of the movement process of the support body is ensured, and potential safety hazards of accidental falling are reduced. On the other hand, the circuit anti-misconnection element is arranged in the electric control system and used for automatically detecting the current phase sequence of the circuit and adjusting the phase sequence, so that the phase sequence of each electric hoist in the lifting system can be ensured to be consistent, the lifting motion can be smoothly realized, the situation that the actual rotating direction of the electric hoist is opposite to the expected direction due to the disordered phase sequence or the wrong wiring is avoided, and the probability of misoperation is greatly reduced.

Preferably, the line mis-connection preventing element comprises a phase sequence relay, a positive phase sequence circuit and a negative phase sequence circuit, wherein the phase sequence relay is used for automatically detecting the current phase sequence of the line, and the positive phase sequence circuit is connected with the negative phase sequence circuit in parallel and then connected with the phase sequence relay in series.

Preferably, the anti-falling device comprises an anti-falling main body, a triggering swing block which can rotate towards different directions when the frame body ascends and descends, an anti-falling swing block which can rotate and reset under the self gravity, and a limiting block which is used for limiting the anti-falling swing block to enable the triggering swing block to be locked; the triggering swing block and the anti-falling swing block are both rotationally connected with the anti-falling main body, and the limiting block is fixedly connected with the anti-falling main body; the anti-falling swing block is arranged on the front end of the trigger swing block, and is connected with the anti-falling swing block through a limiting block.

Preferably, operating system includes a plurality of lift units, lift unit includes the guide rail, goes up to hang the seat, exempts from the electric block of turnover, hangs the seat down, attaches the wall device, the guide rail is followed the support body is from last down setting, it locates to go up to hang the seat the support body top, it locates to hang the seat down the support body bottom, electric block one end with go up to hang the seat and connect, the other end with it connects to hang the seat down.

Preferably, electric block hangs the support, well support, hangs the support down including body, chain, controller, the support of hanging on, that is used for providing lift power, go up hang the support with it connects to hang the seat on, well hang the support wear to locate in the chain and with attach the wall device and connect, the body with hang down the seat connect just down hang the support with hang the seat down and connect, chain one end wear to locate the body is inside and follow the body is inside to encircle the setting, and the other end passes and encircles it sets up to hang the support on, the body with the controller electricity is connected, the controller with electrical system connects.

Preferably, the wall attaching device comprises a plurality of wall attaching supports, a plurality of first wall penetrating screws, a wall attaching hanging seat and a second wall penetrating screw, one end of each wall attaching support is connected with the corresponding first wall penetrating screw, the other end of each wall attaching support is movably connected with the corresponding guide rail, one end of each wall attaching hanging seat is connected with the corresponding second wall penetrating screw, and the other end of each wall attaching hanging seat is connected with the corresponding middle hanging support.

Preferably, the frame body comprises a plurality of upright rod groups which are sequentially arranged and are composed of two upright rods, a rigid triangular support arranged between the two upright rods in the upright rod groups, a horizontal truss arranged between the two adjacent upright rod groups, and a plurality of layers of pedals which are sequentially arranged along the upright rod groups from top to bottom; the both ends of rigidity triangular supports are connected with two pole settings respectively, the both ends of horizontal truss are connected with two pole settings group respectively, and the equal level setting of a plurality of layers of footboard just all is connected with a plurality of pole settings.

Preferably, the support body still includes the safety net, is used for installing the connecting elements of safety net, connecting elements is connected with a plurality of pole settings with one side, the safety net with connecting elements connects.

Preferably, the safety net is including a plurality of sections corrugated safety net unit that sets gradually, the connecting elements is including a plurality of the linkage unit that sets gradually, the linkage unit includes the first U type groove that the top set up, the second U type groove that the bottom set up, is used for connecting first U type groove with the connecting plate in second U type groove, the connecting plate is connected with a plurality of pole settings respectively, corrugated safety net unit one end inserts the first U type groove of a linkage unit, and the other end inserts the second U type groove of another adjacent linkage unit and connects.

Preferably, the device further comprises a gravity monitoring device for monitoring the gravity of the load, one end of the gravity monitoring device is connected with the lower hanging bracket, the other end of the gravity monitoring device is connected with the lower hanging seat, and the gravity monitoring device is further electrically connected with the electric control system.

Preferably, the electric control system comprises a plurality of intelligent sub-control systems for respectively controlling the electric hoists and an intelligent main control system for uniformly regulating and controlling the sub-control systems, and the intelligent sub-control systems are respectively electrically connected with the circuit mis-connection preventing element, the controller and the intelligent main control system.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the anti-falling device realizes the anti-falling function through the mutual matching of the triggering swing block, the anti-falling swing block and the limiting block; the limiting block is fixedly connected with the anti-falling main body, the blocking and limiting effect on the anti-falling swinging block is realized through the position of the limiting block, and compared with the prior art that the limiting is performed by utilizing the elasticity of the elastic part, the anti-falling swinging block has higher reliability and longer service life; meanwhile, the anti-falling device can realize the accidental anti-falling when the frame body ascends and also realize the accidental anti-falling when the frame body descends;

(2) the circuit anti-misconnection element can monitor and adjust the phase sequence of the electric hoist, and then feeds the result back to the intelligent branch control system, and the intelligent branch control system enables the controller to control the electric hoist to move according to the command of the intelligent master control system; the synchronous rotation in the same direction of different electric hoists can be realized;

(3) the electric hoist is installed in a reverse hanging mode, turnover can be avoided, the electric hoist needs to be turned to the next layer manually after the forward hanging type electric hoist in the prior art finishes lifting every time, but the weight of the electric hoist is about 1OOkg generally, manual turnover is very inconvenient, labor intensity is high, and the problem that people are injured by smashing or the elevator is damaged easily is caused; the electric hoist is mounted in an inverted hanging manner, so that the electric hoist is free from turnover;

(4) the gravity monitoring device can monitor the whole load of the frame body, and the overload is avoided.

Drawings

FIG. 1 is a schematic perspective view of a safety protection platform for building construction according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

FIG. 4 is an enlarged view of a portion of FIG. 1 at C;

FIG. 5 is a schematic view of the structure at the bottom of FIG. 1;

FIG. 6 is an enlarged view of a portion of FIG. 5 at D;

FIG. 7 is a schematic view of the fall arrest device;

FIG. 8 is a schematic view of an installation and use structure of a safety protection platform for building construction according to the present invention;

FIG. 9 is the view of FIG. 8 with the wall-attached hanger removed from the shield;

FIG. 10 is a schematic circuit diagram of the electronic control system;

fig. 11 is a schematic circuit diagram of the circuit mis-connection prevention element.

The graphic symbols are illustrated as follows:

1. a frame body; 11. a vertical rod group; 12. erecting a rod; 13. a horizontal truss; 14. a pedal; 15. a safety net; 151. A security net unit; 16. a connecting member; 161. a first U-shaped groove; 162. a second U-shaped groove; 163. a connecting plate; 17. turning over a cover plate; 18. a rigid triangular support; 2. a lifting system; 21. a guide rail; 22. hanging a seat; 23. An electric hoist; 231. a body; 232. a chain; 233. lifting the bracket; 234. a middle hanging bracket; 235. a lower hanging bracket; 24. a lower hanging seat; 25. a wall attachment device; 251. a wall-attached support; 252. a first through-wall screw; 253. A wall-attached hanging seat; 254. a second through-wall screw; 3. an electronic control system; 31. an intelligent master control system; 32. an intelligent sub-control system; 4. a safety protection system; 5. the anti-falling device; 51. the anti-falling main body; 52. triggering the swinging block; 53. the anti-falling swing block; 54. a limiting block; 6. a gravity monitoring device; 7. a building is provided.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.

Examples

As shown in fig. 1 to 11, an embodiment of the present invention includes a frame body 1, a lifting system 2 for moving the frame body 1 up and down and provided with a plurality of electric hoists 23, an electric control system 3 for controlling the movement of the lifting system 2, and a safety protection system 4 for ensuring the safe ascending or descending of the frame body 1, wherein the frame body 1 is connected with the lifting system 2, and the lifting system 2 is further connected with the safety protection system 4 and electrically connected with the electric control system 3; the safety protection system 4 comprises an anti-falling device 5 for preventing the protection platform from accidentally falling when ascending or descending, and a circuit anti-misconnection element for automatically detecting the circuit current phase sequence and performing phase sequence adjustment, wherein the anti-falling device 5 is movably connected with the lifting system 2, and the circuit anti-misconnection element is electrically connected with the electric hoist 23 and the electric control system 3.

As an embodiment of the present invention, the line mis-connection prevention element includes a phase sequence relay, a positive phase sequence circuit, and a negative phase sequence circuit, which are used for automatically detecting a line current phase sequence, and the positive phase sequence circuit is connected in parallel with the negative phase sequence circuit and then connected in series with the phase sequence relay, as shown in fig. 11, before each lifting and descending, after receiving a command, the line mis-connection prevention element operates to check whether voltage and current are at normal values, and after confirming that the voltage and current are normal, the line mis-connection prevention element is turned on.

One end of the circuit misconnection prevention element is connected into one of the three phases of the electric hoist 23, and the other end of the circuit misconnection prevention element is connected into one of the remaining two phases of the three phases of the electric hoist 23 after being electrically connected with the electric control system 3; specifically, a phase sequence relay in the circuit misconnection prevention element is used for automatically detecting the current phase sequence of the circuit, and then the circuit is connected with a positive phase sequence circuit or a negative phase sequence circuit according to the detection result so as to adjust the phase sequence to realize the misconnection prevention function. And a switch, a resistor and an alternating current contactor are arranged at corresponding positions in the circuit to realize the functions.

As an embodiment of the utility model, the anti-falling device 5 comprises an anti-falling main body 51, a triggering swing block 52 which can rotate in different directions when the frame body 1 ascends and descends, an anti-falling swing block 53 which can rotate and reset under the self gravity, and a limiting block 54 which is used for limiting the anti-falling swing block 53 to lock the triggering swing block 52; the triggering swing block 52 and the anti-falling swing block 53 are both rotationally connected with the anti-falling body 51, and the limiting block 54 is fixedly connected with the anti-falling body 51; the triggering swing block 52 can be abutted against the anti-falling swing block 53 during rotation and drive the anti-falling swing block 53 to rotate, and when the triggering swing block 52 is locked, one end of the anti-falling swing block 53 is abutted against the triggering swing block 52, and the other end of the anti-falling swing block is abutted against the limiting block 54.

The anti-falling main body 51 is used for fixing the whole anti-falling device 5 on the frame body 1 and providing support for the triggering swing block 52, the anti-falling swing block 53 and the limiting block 54. The triggering swing block 52 can be clamped with the lifting system 2, the anti-falling swing block 53 can be triggered to rotate when the frame body 1 ascends or descends, the limiting block 54 limits the anti-falling swing block 53, the anti-falling swing block 53 is limited at a certain position to block the movement of the triggering swing block 52, the triggering swing block 52 enters a locking state and then is clamped with the lifting system 2, and therefore the locking of the triggering swing block 52 is achieved, and the anti-falling function is finally achieved; the stop block 54 is fixedly connected with the anti-falling body 51. Specifically, when the frame body 1 ascends or descends, the triggering swing block 52 can rotate clockwise or counterclockwise, the rotation direction of the triggering swing block 52 when the frame body 1 ascends or descends is opposite, the triggering swing block 52 can abut against the anti-falling swing block 53 at a certain position in the rotation process to drive the anti-falling swing block 53 to rotate, and in the normal ascending or descending process of the frame body 1, because the ascending or descending speed of the frame body 1 is slow, the triggering swing block 52 only intermittently drives the anti-falling swing block 53 to rotate for a small section of position, then the triggering swing block 52 can be separated from the anti-falling swing block 53, and at the moment, the anti-falling swing block 53 can rotate towards the direction opposite to the direction in which the triggering swing block 52 drives the anti-falling swing block 52 to rotate under the action of the self gravity to realize resetting; and can produce great speed when support body 1 accidentally falls, at this moment, trigger pendulum mass 52 can be continuously with prevent weighing down pendulum mass 53 butt drive prevent weighing down pendulum mass 53 rotatory, because the speed is very fast, prevent weighing down pendulum mass 53 and can't reset in the time that does not reset, prevent weighing down pendulum mass 53 can with stopper 54 butt and can't continue to rotate when rotatory to certain extreme position, cause the hindrance for triggering pendulum mass 52, trigger pendulum mass 52 also can keep motionless entering locking state in this position, realize the joint with operating system 2, thereby reach whole function of preventing weighing down.

As an embodiment of the present invention, the lifting system 2 includes a plurality of lifting units, each of the lifting units includes a guide rail 21, an upper hanging seat 22, an electric hoist 23 free from turnover, a lower hanging seat 24, and a wall-attached device 25, the guide rail 21 is disposed along the frame body 1 from top to bottom, the upper hanging seat 22 is disposed on the top of the frame body 1, the lower hanging seat 24 is disposed on the bottom of the frame body 1, one end of the electric hoist 23 is connected to the upper hanging seat 22, and the other end is connected to the lower hanging seat 24.

The lifting system 2 plays a lifting role, and the frame body 1 is large in size, multiple in parts and large in mass, so that the lifting system 2 can be simultaneously installed at different positions on the frame body 1, the lifting function of the frame body 1 is jointly realized, and the stability and balance of the frame body 1 during lifting are achieved. The guide rail 21 can reduce the moving friction force when the frame body 1 is lifted, so that the lifting of the frame body 1 is facilitated; the electric hoist 23 can provide power for the lifting of the frame body 1 and drive the lifting of the frame body 1; the electric hoist 23 adopted by the utility model is the electric hoist 23 which can be free from turnover, and meanwhile, the electric hoist 23 is arranged on the frame body 1 in an inverted hanging mode, so that the turnover can be avoided in the building construction process, the electric hoist 23 does not need to be disassembled and moved for turnover in the whole using process, the labor is saved, and the working efficiency is improved; the wall attaching device 25 is used for connecting the frame body 1 with the building 7 and providing a pivot for the frame body 1, so that the frame body 1 can have good support in the lifting process on one hand, and the frame body 1 can be well attached to the building 7 in the non-lifting process of the frame body 1 on the other hand. Go up and hang seat 22, hang seat 24 down and be used for being connected with electric block 23 respectively, go up and hang the seat 22 setting at 1 tops of support body, hang the seat 24 setting down in 1 bottoms of support body, make electric block 23 can connect whole support body 1, be convenient for realize the lift of support body 1.

As an embodiment of the present invention, the electric hoist 23 includes a body 231 for providing lifting power, a chain 232, a controller, an upper hanging bracket 233, a middle hanging bracket 234, and a lower hanging bracket 235, the upper hanging bracket 233 is connected to the upper hanging base 22, the middle hanging bracket 234 is inserted into the chain 232 and is connected to the wall-attached device 25, the body 231 is connected to the lower hanging base 24, the lower hanging bracket 235 is connected to the lower hanging base 24, one end of the chain 232 is inserted into the body 231 and is circumferentially arranged from the inside of the body 231, the other end is inserted into and circumferentially arranged around the upper hanging bracket 233, the body 231 is electrically connected to the controller, and the controller is connected to the electric control system 3.

The electric hoist 23 is connected with the upper hanging seat 22 through the upper hanging bracket 233, the middle hanging bracket 234 is connected with the wall attaching device 25, the lower hanging bracket 235 is connected with the lower hanging seat 24, the chain 232 penetrates through the middle hanging bracket 234, the top end of the chain surrounds the upper hanging bracket 233, the bottom end of the chain surrounds the body 231, the body 231 is connected with the lower hanging bracket 235, the inverted hanging installation of the electric hoist 23 is achieved, and the function of avoiding turnover can be achieved. The controller is used for controlling the body 231 and is used for transmitting a control command, the controller is connected with the electric control system 3, and the electric hoist 23 is controlled through the electric control system 3 so as to control the lifting of the frame body 1. The electric hoist 23 also has a function of tensioning the chain 232, so that the chain 232 is always in a tensioning state in the circulating process, and chain rewinding can be avoided.

As an embodiment of the present invention, the wall attachment device 25 includes a plurality of wall attachment supports 251, a plurality of first wall screws 252, a wall attachment hanging support 253, and a second wall screw 254, wherein one end of the wall attachment support 251 is connected to the first wall screw 252, the other end is movably connected to the guide rail 21, one end of the wall attachment hanging support 253 is connected to the second wall screw 254, and the other end is connected to the middle hanging bracket 234.

The wall-attached support 251 is fixed on the building 7 through a first wall-through screw 252, one end of the wall-attached support 251 facing to the frame body 1 is movably connected with the guide rail 21, the frame body 1 forms a connection relation with the building 7 through the wall-attached support 251, the frame body 1 is huge, so the building 7 needs to be connected at different positions of the frame body 1 to realize attachment, the first wall-through screw 252 can realize detachable connection between the wall-attached support 251 and the building 7, when the frame body 1 ascends one floor relative to the building 7, the wall-attached support 251 with the bottom floor of the frame body 1 separated from the frame body 1 can be detached from the building 7 and moved to the top floor of the frame body 1, thereby not only realizing the reutilization of the wall-attached support 251, improving the utilization rate of the wall-attached support 251, saving material cost, but also establishing a connection relation between the top floor of the frame body 1 and the building 7 which ascends one floor, the adhesive force of the frame body 1 to the building 7 is increased, and the safety and reliability are improved. The wall-attached hanging seat 253 is installed on the building 7 through the second wall-penetrating screw 254, the wall-attached hanging seat 253 is generally arranged at the position of the building 7 corresponding to the middle part of the whole frame body 1, before the frame body 1 rises, the middle hanging bracket 234 of the electric hoist 23 needs to be fixed with the wall-attached hanging seat 253, then the chain 232 is circulated through the body 231 of the electric hoist 23, and then the frame body 1 rises through the matching of the wall-attached support 251 and the guide rail 21; the wall-attached hanging seat 253 can provide a fulcrum on the building 7 for the electric hoist 23, so that the electric hoist 23 is supported by the building 7, and on the other hand, the chain 232 can be reduced in shaking in the circulating movement process, so that the frame body 1 can be lifted more stably.

As an embodiment of the present invention, the frame body 1 includes a plurality of upright rod groups 11 which are sequentially arranged and each of which is composed of two upright rods 12, a rigid triangular support 18 which is arranged between the two upright rods 12 in the upright rod group 11, a horizontal truss 13 which is arranged between the two adjacent upright rod groups 11, and a plurality of layers of pedals 14 which are sequentially arranged from top to bottom along the plurality of upright rod groups 11; two ends of the rigid triangular support 18 are respectively connected with the two upright rods 12, two ends of the horizontal truss 13 are respectively connected with the two upright rod groups 11, and the plurality of layers of pedals 14 are horizontally arranged and are connected with the upright rod groups 11.

The upright pole group 11 is used as a part of the frame body 1 which plays a main supporting role and is used for bearing the load of the whole frame body 1, the rigid triangular supports 18 and the horizontal truss 13 are used for providing auxiliary support for the upright pole group 11 and further strengthening the supporting function of the upright pole group 11, and the pedal 14 is used for a construction worker to pedal during construction, so that the construction worker can stand on the frame body 1. The whole frame body 1 supports a plurality of layers of horizontally arranged pedals 14 through the vertically arranged upright rod groups 11, and the heights of the different pedals 14 are different; further, a ladder stand is further arranged between the two adjacent layers of pedals 14, so that the pedals 14 on all layers can be communicated, construction workers can walk between the different pedals 14 conveniently, and the construction efficiency and the construction convenience are further improved.

As an embodiment of the present invention, the upright 12, the pedal 14, and the guide rail 21 are made of aluminum alloy materials, preferably, the upright 12 is made of high-strength aluminum alloy rectangular pipe, the center is uniformly provided with holes, the pedal 14 is made of aluminum alloy extruded section, the periphery of the frame is provided with uniformly distributed holes, the guide rail 21 is made of high-strength aluminum alloy extruded in a double-groove steel structure type, one surface is provided with uniformly distributed round holes for connecting the components of the frame body 1, the other surface is provided with uniformly distributed large square holes as bearing points for supporting and unloading, and meanwhile, the guide rail 21 can be used as a load bearing main body and a lifting sliding and guiding mechanism for the whole frame body 1 construction. The rigid triangular supports 18 are formed by welding steel plates and steel pipes, play a role in stabilizing and supporting and bear loads in the vertical direction and the horizontal direction. Horizontal truss 13 adopts the high-strength aluminum alloy square tube section bar and the full height of aluminum alloy plate welding constitution to support the diagonal draw bar, mainly bears 1 vertical load of support body to transmit vertical load to support body 1.

As an embodiment of the present invention, the frame body 1 further comprises a safety net 15, and connecting members 16 for installing the safety net 15, wherein the connecting members 16 are connected with the upright posts 12 on the same side, and the safety net 15 is connected with the connecting members 16.

Safety net 15 sets up the one side of keeping away from building 7 at support body 1, and construction worker dorsad support body 1's one side when the construction promptly, and safety net 15 forms the protection to support body 1, avoids the workman to take place the accident in the work progress and drops, forms good guarantee to construction worker's personal safety.

As an embodiment of the present invention, the safety net 15 includes a plurality of corrugated safety net units 151 sequentially arranged, the connecting member 16 includes a plurality of connecting units sequentially arranged, each connecting unit includes a first U-shaped groove 161 formed at the top, a second U-shaped groove 162 formed at the bottom, and a connecting plate 163 for connecting the first U-shaped groove 161 and the second U-shaped groove 162, the connecting plates 163 are respectively connected to the plurality of vertical rods 12, one end of each corrugated safety net unit 151 is inserted into the first U-shaped groove 161 of one connecting unit, and the other end of each corrugated safety net unit is inserted into the second U-shaped groove 162 of another adjacent connecting unit for connection.

The corrugated safety net unit 151 has advantages of light weight, high strength and low cost under the same load. The safety net 15 is composed of a plurality of safety net units 151, and the whole safety net is divided into a plurality of units, so that the safety net is convenient to produce, transport and install. Insert the U type groove of two adjacent connection units respectively with safety net unit 151 both ends, realize being connected of safety net unit 151 and connection unit, a plurality of safety net unit 151 is connected with connection unit in proper order, forms whole safety net 15. This kind of connected mode is detachable connected mode, compares traditional welding, both can promote the installation effectiveness, easily retrieves safety net unit 151 again after the construction finishes, can improve the reuse rate of part, reduces material cost, and then reduces construction cost.

As an embodiment of the present invention, the present invention further comprises a gravity monitoring device 6 for monitoring the gravity of the load, one end of the gravity monitoring device 6 is connected to the lower hanging bracket 235, the other end is connected to the lower hanging seat 24, and the gravity monitoring device 6 is further electrically connected to the electronic control system 3.

Gravity monitoring devices 6 is used for carrying out on-line monitoring to the load on the support body 1, be convenient for implement and master the load information of support body 1, in the work progress, because the adhesive force of attaching wall device 25 is limited, and, the load that electric block 23 can promote is limited, therefore, realize safe construction, must strictly control the load of support body 1 in reasonable safe within range, nevertheless sometimes because of the needs of construction, in the work progress, need place some construction tools on support body 1 so that be under construction with avoiding difficultly, consequently, it is very necessary to carry out real-time supervision to the load information of support body 1. The gravity monitoring device 6 is electrically connected with the electric control system 3, can feed the gravity monitoring result back to the electric control system 3, can lock the lifting system 2 under the overload condition, and can not lift the frame body 1. Furthermore, an alarm device can be arranged, and the alarm device is started to give an alarm when the vehicle is overloaded, so that the warning and reminding functions are enhanced.

As an embodiment of the present invention, the electric control system 3 includes a plurality of intelligent sub-control systems 32 for respectively controlling the electric hoists 23, and an intelligent main control system 31 for uniformly controlling the sub-control systems, and the intelligent sub-control systems 32 are respectively electrically connected to the line anti-misconnection element, the controller, and the intelligent main control system 31.

Every intelligence divides control system 32 to control every electric block 23 respectively, intelligence divides control system 32 and controller and circuit to prevent misconnection component equal electricity and connects, prevent misconnection component series connection in electric block 23's circuit with the circuit, intelligence major control system 31 sends the order of rising or descending, prevent misconnection component automated inspection electric block 23's phase sequence through the circuit, adjust electric block 23's phase sequence, then give intelligent branch control system 32 with the result feedback, after finishing adjusting, intelligence branch control system 32 sends the order again for the controller, and the rotational speed of unified regulation and control electric block 23, realize the syntropy synchronous rotation of all electric blocks 23.

As an embodiment of the utility model, the pedal device further comprises a sealing flip plate 17, and the sealing flip plate 17 is movably connected with the pedal 14.

The sealing flap 17 is used to fill up the gap between the step panel 14 and the building 7, which can increase the safety of the construction worker during construction and can reduce the possibility that the work falls from the gap between the step panel 14 and the building 7. Specifically, the sealing flip plate 17 may be hinged to the step plate 14, and the sealing flip plate 17 needs to be folded at the bottom of the step plate 14 before the frame body 1 ascends or descends relative to the building 7, so as to avoid causing an obstruction to the frame body 1 during the ascending and descending process.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A safety protection platform for building construction comprises a frame body (1), a lifting system (2) which is used for enabling the frame body (1) to move up and down and is provided with a plurality of electric hoists (23), an electric control system (3) which is used for controlling the movement of the lifting system (2), and a safety protection system (4) which is used for ensuring the safe ascending or descending of the frame body (1), wherein the frame body (1) is connected with the lifting system (2), and the lifting system (2) is also connected with the safety protection system (4) and is electrically connected with the electric control system (3); the safety protection system is characterized in that the safety protection system (4) comprises a falling prevention device (5) used for preventing the protection platform from falling accidentally when ascending or descending, a circuit anti-misconnection element used for automatically detecting a circuit current phase sequence and carrying out phase sequence adjustment, the falling prevention device (5) is movably connected with the lifting system (2), and the circuit anti-misconnection element is electrically connected with the electric hoist (23) and the electric control system (3) in an equal mode.

2. The safety protection platform for building construction according to claim 1, wherein the line mis-connection prevention element comprises a phase sequence relay, a positive phase sequence circuit and a negative phase sequence circuit for automatically detecting a line current phase sequence, and the positive phase sequence circuit and the negative phase sequence circuit are connected in parallel and then connected in series with the phase sequence relay.

3. The safety protection platform for building construction according to claim 2, wherein the anti-falling device (5) comprises an anti-falling main body (51), a triggering swing block (52) which can rotate in different directions when the frame body (1) ascends and descends, an anti-falling swing block (53) which can rotate and reset under the self gravity, and a limiting block (54) which is used for limiting the anti-falling swing block (53) and locking the triggering swing block (52); the triggering swing block (52) and the anti-falling swing block (53) are both rotationally connected with the anti-falling main body (51), and the limiting block (54) is fixedly connected with the anti-falling main body (51); the anti-falling swing block is characterized in that the triggering swing block (52) can be abutted with the anti-falling swing block (53) and drives the anti-falling swing block (53) to rotate when rotating, one end of the anti-falling swing block (53) is abutted with the triggering swing block (52) when the triggering swing block (52) is locked, and the other end of the anti-falling swing block (53) is abutted with the limiting block (54).

4. The safety protection platform that construction was used according to claim 3, characterized in that, operating system (2) includes a plurality of lift units, lift unit includes guide rail (21), goes up to hang seat (22), exempts from the electric block (23) of turnover, hangs seat (24) down, attaches wall device (25), guide rail (21) are followed support body (1) is from last down setting, go up to hang seat (22) and locate support body (1) top, hang down seat (24) and locate support body (1) bottom, electric block (23) one end with go up to hang the seat (22) and connect, the other end with hang down seat (24) and connect.

5. The safety protection platform for building construction according to claim 4, wherein the electric hoist (23) comprises a body (231) for providing lifting power, a chain (232), a controller, an upper hanging bracket (233), a middle hanging bracket (234), and a lower hanging bracket (235), the upper hanging bracket (233) is connected with the upper hanging seat (22), the middle hanging bracket (234) is arranged in the chain (232) in a penetrating way and is connected with the wall-attached device (25), the body (231) is connected with the lower hanging seat (24) and the lower hanging bracket (235) is connected with the lower hanging seat (24), one end of the chain (232) is arranged in the body (231) in a penetrating way and is arranged around the body (231), the other end of the chain is arranged in a penetrating way and is arranged around the upper hanging bracket (233), and the body (231) is electrically connected with the controller, the controller is connected with the electric control system (3).

6. The safety protection platform for building construction according to claim 5, wherein the wall attachment device (25) comprises a plurality of wall attachment supports (251), a plurality of first wall-penetrating screws (252), a wall attachment hanging seat (253) and a second wall-penetrating screw (254), one end of each wall attachment support (251) is connected with the first wall-penetrating screw (252), the other end of each wall attachment support is movably connected with the guide rail (21), one end of each wall attachment hanging seat (253) is connected with the second wall-penetrating screw (254), and the other end of each wall attachment hanging seat is connected with the middle hanging bracket (234).

7. The safety protection platform for building construction according to any one of claims 1 to 6, wherein the frame body (1) comprises a plurality of upright rod groups (11) which are arranged in sequence and are composed of two upright rods (12), a rigid triangular support (18) arranged between the two upright rods (12) in the upright rod groups (11), a horizontal truss (13) arranged between two adjacent upright rod groups (11), and a plurality of layers of pedals (14) arranged in sequence from top to bottom along the upright rod groups (11); the two ends of the rigid triangular supports (18) are respectively connected with two vertical rods (12), the two ends of the horizontal truss (13) are respectively connected with two vertical rod groups (11), and the plurality of layers of pedals (14) are arranged horizontally and are connected with the plurality of vertical rod groups (11).

8. Safety protection platform for building construction according to claim 7, characterized in that said frame body (1) further comprises a safety net (15), connecting members (16) for mounting said safety net (15), said connecting members (16) being connected to a plurality of uprights (12) on the same side, said safety net (15) being connected to said connecting members (16).

9. The safety protection platform of claim 8, wherein the safety net (15) comprises a plurality of corrugated safety net units (151) arranged in sequence, the connecting member (16) comprises a plurality of connecting units arranged in sequence, the connecting units comprise a first U-shaped groove (161) arranged at the top and a second U-shaped groove (162) arranged at the bottom, and connecting plates (163) for connecting the first U-shaped groove (161) and the second U-shaped groove (162), the connecting plates (163) are respectively connected with a plurality of vertical rods (12), one end of each corrugated safety net unit (151) is inserted into the first U-shaped groove (161) of one connecting unit, and the other end of each corrugated safety net unit is inserted into the second U-shaped groove (162) of the other adjacent connecting unit to be connected.

10. The safety protection platform for building construction according to claim 5, further comprising a gravity monitoring device (6) for monitoring gravity of a load, wherein one end of the gravity monitoring device (6) is connected with the lower hanging bracket (235), the other end of the gravity monitoring device is connected with the lower hanging seat (24), and the gravity monitoring device (6) is further electrically connected with the electric control system (3).

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