CN207582931U - A kind of elevating scaffold lifting device - Google Patents

Abstract

The utility model discloses a hoisting device for a lifting scaffold, which belongs to the field of auxiliary equipment for building scaffolding, and comprises a scaffold main body, a hoist, and a chain. The tensioning device and the chain are connected to the hoist, and the hoist is connected to the truss at the lower hanging point through a gravity sensor. There is also a wall-attached hanging seat above the truss at the lower hanging point, and the wall-attached hanging seat is fixed On the wall, the loop hook at one end of the chain is connected with the wall-attached hanging seat, and the gravity sensor and hoist are connected with a control system. The hoisting device of the lifting scaffold has a simple structure, can solve the problems of high pressure, high energy consumption, and low efficiency of the hoisting device, and improve construction safety.

Description

Lifting device for lifting scaffolding

technical field

The utility model relates to the field of auxiliary equipment for building scaffolding, in particular to a lifting device for lifting scaffolding.

Background technique

In building construction, scaffolding is an indispensable erection tool. Its function is to ensure that construction workers can carry out normal construction on different heights of work surfaces smoothly, safely and reliably. With the rapid development of my country's national economy and the improvement of the overall technical level of the construction industry, the construction technology of external scaffolding has also developed rapidly to meet the needs of high-rise buildings. At present, the hoists used in domestic lifting scaffolds are mainly slow-rising chain hoists.

Chinese patent document CN 204676872 U discloses a lifting scaffold lifting mechanism, including a lifting seat, a lifting host, a hanger p, a hanger q, a steel wire rope, a hoisting mechanism, and a chain, wherein the lifting host includes a motor wall panel, a box body wall panel, Wall plate bolts, motor, reducer, chain hoist reducer, disc brake motor, planetary reducer and driving sprocket, the lifting host also includes bolt pin shaft, hanging plate d and hanging plate b, bolt pin shaft and wall The plate bolts install the motor wall plate and the box wall plate together, the bolt pin shaft and the two ends of the wall plate bolts have steps respectively, and the hanging plate d and the hanging plate b are installed on both sides of the driving sprocket and are symmetrically distributed. During the construction of the lifting mechanism, the double hangers can be alternately connected to the attached lifting scaffold support, which is light in weight, free from handling, reduces the labor intensity of construction workers, and can improve the utilization rate of the chain and the construction efficiency of the attached lifting scaffold. However, the lifting During the lifting process of scaffolding, the hoisting main engine acts on the ring chain, and the chain load is lifted and lowered. The hoisting main machine bears high pressure, high energy consumption, low efficiency, and potential safety hazards.

Utility model content

The utility model aims at the problems existing in the above-mentioned prior art, and provides a lifting scaffold lifting device. The lifting scaffold lifting device has a simple structure, which can solve the problems of high pressure, high energy consumption, and low efficiency of the lifting device, and improve construction efficiency. safety.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical measures:

A lifting scaffold lifting device, comprising a scaffold main body, a hoist, and a chain, the scaffold main body is provided with a truss at an upper lifting point and a truss at a lower lifting point, and the truss at the upper lifting point is connected to the hoist through a tensioning device and a chain, the The hoist is connected to the truss at the lower hanging point through a gravity sensor, and a wall-attached hanging seat is provided above the truss at the lower hanging point. The wall-attached hanging seat is fixed on the wall, and the loop hook at one end of the chain It is connected with the hanging base attached to the wall, and the gravity sensor and the hoist are connected with a control system.

As a preference, the wall-attached hanging seat includes a back plate and side plates connected to both sides of the back plate, two connection holes are opened on the back plate, and a reinforcing backing plate is connected to the connection holes, and the two sides The plates are connected vertically by pins.

Preferably, the back plate is a steel plate with a thickness of 10 mm, the center-to-center distance between the two connecting holes is 150 mm, and the thickness of the side plate is 8 mm.

Preferably, the wall-attached hanging seat is fixed on the wall by through-wall bolts.

Preferably, the hoisting point truss is connected to the pin shaft of the hoist.

Preferably, the tensioning device includes a cantilever boom connected to the truss at the lifting point, one end of the cantilever boom is connected to a compression spring, and the other end is connected to the chain through a roller frame.

Preferably, the hoisting point truss is arranged on the third working layer of the scaffold body.

Preferably, the hanging seat attached to the wall is on the same central axis as the lifting point center of the hoist and the lifting point centers of the lifting point truss and the lifting point truss.

Preferably, the control system includes a single-chip microcomputer connected with the gravity sensor and the hoist, the single-chip microcomputer is connected with a main controller and a remote controller, and the main controller is provided with a touch control screen.

Preferably, the single-chip microcomputer is also connected to a mobile control terminal through a communication signal.

The beneficial effects of the utility model are:

1. One end of the chain of the utility model is connected to the hanging seat attached to the wall through a loop hook. When the chain rises or falls, the load can be transferred to the building wall, which plays a supporting role, which can reduce the pressure of the hoist and improve the hoist. efficiency, and the structure of the wall-attached hanger is simple, the connection hole is connected with a reinforcing backing plate, and the two side plates are vertically connected by pin shafts, which can effectively improve the support performance and connection stability of the wall-attached hanger, reduce the The possibility of deformation of the hanging seat during the supporting process prolongs the service life of the hanging seat attached to the wall.

2. The driving mechanism of the hoist of the utility model is connected with a gravity sensor, and the gravity sensor and the driving mechanism of the hoist are connected with a control system. The sensor signal is detected by the single-chip microcomputer, and information is exchanged with the main controller, and through the main controller 1. The single-chip computer calculates, analyzes and judges the measurement of the sensor and makes corresponding processing, which realizes the real-time monitoring and automatic control of the whole process of lifting and lowering the frame, and ensures the safety of the construction personnel and the lifting of the frame.

Description of drawings

Fig. 1 is the front view of the utility model;

Fig. 2 is a side view of the utility model;

Fig. 3 is the three-dimensional structural diagram of the wall-attached hanging seat of the present invention;

Fig. 4 is a schematic diagram of the connection of the control system of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figures 1-2, a lifting scaffold lifting device includes a scaffold main body 1, a hoist 2, and a chain 3. The scaffold main body 1 is provided with a lifting point truss 11 and a lower lifting point truss 12. The point truss 11 is connected to the hoist 2 through a tensioning device and a chain 3, and the hoist 2 is connected to the hanging point truss 12 through a gravity sensor 4, and a wall hanging is also provided above the hanging point truss 12. seat 5, the wall-mounted hanging seat 5 is fixed on the wall, the loop hook at one end of the chain 3 is connected with the wall-attached hanging seat 5, the gravity sensor 4 and the hoist 2 are connected with a control system, The circulating hook is attached to the wall hanging seat 5 through pins, and the wall hanging seat 5 supports the lifting of the frame body. The chain 3 circulates in the circulating hook to realize the lifting of the frame body, and the load can be transferred to the building wall. Reduce the load of the hoist 2 and improve the efficiency of the hoist 2.

The tensioning device includes a cantilever boom 61 connected to the hanging point truss 11, one end of the cantilever boom 61 is connected with a compression spring 62, and the other end is connected to the chain 3 through a roller frame 63, and the cantilever suspension is realized through adjustment. The length of the bar 61 and the tightness of the stage clip 62 can realize the lifting of the roller frame 63, and complete the tension and relaxation between the roller frame 63 and the chain 3.

As shown in Figure 4, the control system includes a single-chip microcomputer 71 connected to the gravity sensor 4 and the hoist 2, the single-chip microcomputer 71 is connected with a main controller 72 and a remote controller 73, and the main controller 72 is provided with a touch The control panel 74, the single-chip microcomputer 71 is also connected with a mobile control terminal 75 through a communication signal, and the mobile control terminal 75 can be a mobile phone, a wireless controller, etc. The control system detects the signal of the gravity sensor 4 through the single-chip microcomputer 71, exchanges information with the main controller 72, and performs signal calculation, analysis, and judgment through the main controller 72, and makes corresponding processing by the single-chip microcomputer 71 to realize Real-time monitoring and automatic control of the whole process of lifting and lowering the frame body, and through the touch control screen 74 as a man-machine dialogue, the interactive interface displays the gravity status of each machine position, and realizes alarm and shutdown when the gravity is overweight or weightless, and automatically adjusts the frame body Gravity balance, to achieve stable balance of the frame, the main controller 72 can be connected to 50 single-chip microcomputers 71 at most, with three control methods such as automatic control of mobile control terminal 75, manual function control of remote control 73 and emergency control of touch control screen 74 , to ensure that the scaffolding can be lifted and lowered under any circumstances, and the construction process will never be delayed. The touch control screen automatically switches between emergency control and manual control. When the communication is successful, the main controller takes over the microcontroller, and the manual function will not work. When the communication is disconnected, the single-chip microcomputer automatically restores the manual function, which has high safety performance.

Referring to FIG. 3 , as a preferred solution of this embodiment, the wall-attached hanging seat 5 includes a back plate 51 and side plates 52 connected to both sides of the back plate 51 , and two connection holes 53 are opened on the back plate 52 , the connecting hole 53 is connected with a reinforcing backing plate 54, the two side plates 52 are vertically connected by a pin 55, the back plate 52 is a steel plate with a thickness of 10mm, and the center distance between the two connecting holes 53 is 150 mm, the thickness of the side plate 52 is 8 mm, and the wall-attached hanging seat 5 is fixed on the wall body by through-wall bolts. The wall-attached hanger 5 has a simple and compact structure, takes up little space on the wall, has low manufacturing cost and simple process, and the supporting performance of the wall-attached hanger 5 can be effectively improved through the reinforcing gasket 54 and the pin shaft 55 and connection stability, reduce the possibility of deformation of the wall-attached hanging seat 5 in the supporting process, and the loop hook is fixed on one side of the pin shaft 55, which can prevent the loop hook from shifting, and the chain 3 can be moved when it rises or falls. The load is quickly transferred to the building walls.

Embodiment 1: The hoist 2 is a low-speed chain electric hoist, hung upside down on the truss 11 at the hoisting point, the truss 11 at the hoisting point is connected to the pin shaft of the hoist 2, and the hook of the driving device of the hoist 2 passes through The gravity sensor 4 is connected to the hanging point truss 12, and the loop hook is connected to the wall hanging seat 5. Through the positive and negative rotation of the hoist 2, the vertical main frame guide rail moves up and down relative to the guide wheels, thereby realizing an integrated lifting scaffold lifting operations. The hanging point truss 11 and the hanging point truss 12 are arranged between the vertical main frame guide rail 16 of the scaffold and the lifting point pole 14, and are rigidly connected to the inner horizontal truss and the operating platform board 15 at the same time. A vertical sheet truss structure parallel to the wall is formed on the inner facade, the center of the lifting point of the wall-attached hanging seat 5 and the hoist 2 and the lifting of the lifting point truss 11 and the lifting point truss 12 The center of the point is on the same central axis, and the central axis coincides with the central axis of the vertical sheet truss structure on the plane vertical to the wall, so as to avoid the eccentric force of the scaffolding from deforming the root of the vertical main frame to one side and The defect of instability improves the distribution of the lifting force of the hoist 2 on the structure of the scaffold main body 1 .

The spatial structure of the first floor and the third working layer of the scaffold body 1 possesses the condition that the spatial geometry is invariable and stable. The hanging point truss 11 is arranged on the third working layer of the scaffolding main body 1, and is used for hoisting Point stability provides a reliable guarantee.

Embodiment 2: The hoist 2 is hanging on the truss 11 of the hoisting point, the truss 11 of the hoisting point is connected to the pin shaft of the hoist 2, the hook of the driving device of the hoist 2 is connected to the hanging seat 5 attached to the wall Hitching, the loop hook is connected with the hanging point truss 12 through the gravity sensor 4 .

In summary, the utility model can transmit the load to the building wall through the wall-attached hanging seat, which plays a supporting role, can reduce the pressure bearing of the hoist, and improve the efficiency of the hoist, and the gravity sensor and the hoist The driving mechanism is connected with the control system, through the single-chip microcomputer to detect the sensor signal, exchange information with the main controller, and through the main controller and the single-chip microcomputer to calculate, analyze, judge and make corresponding processing on the sensor measurement, to realize the The real-time monitoring and automatic control of the whole process of frame lifting ensures the safety of construction personnel and frame lifting and reduces construction safety hazards.

The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be assumed that the specific implementation of the present invention is only limited to these descriptions. For those of ordinary skill in the technical field of the present invention, without departing from the concept of the present invention, some simple deduction or replacement can be made, which should be regarded as belonging to the protection scope of the present invention.

Claims (10)

1. a lifting scaffold hoisting device, comprising a scaffold main body, a hoist, and a chain, characterized in that, the scaffold main body is provided with a hanging point truss and a hanging point truss, and the hanging point truss is connected by a tensioning device and a chain The hoist, the hoist is connected to the truss at the lower hanging point through a gravity sensor, and there is also a wall-attached hanging seat above the truss at the lower hanging point, and the wall-attached hanging seat is fixed on the wall. The loop hook at one end of the chain is connected with the wall-attached hanging seat, and the gravity sensor and hoist are connected with a control system. 2. A lifting scaffold lifting device according to claim 1, characterized in that, the wall-attached hanging seat comprises a backboard and side panels connected to both sides of the backboard, and the backboard is provided with two The connecting hole is connected with a reinforcing backing plate, and the two side plates are vertically connected by pin shafts. 3. A kind of lifting scaffold lifting device according to claim 2, characterized in that, the back plate is a steel plate with a thickness of 10mm, the center distance between the two connecting holes is 150mm, and the thickness of the side plate is 8mm. 4 . The lifting device for lifting scaffolding according to claim 3 , wherein the wall-attached hanging seat is fixed on the wall body by wall-through bolts. 5 . The lifting device for lifting scaffolding according to claim 1 , wherein the hoisting point truss is connected to the pin shaft of the hoist. 6 . 6. A kind of lifting scaffold hoisting device according to claim 1, characterized in that, said tensioning device comprises a cantilever suspender connected to the truss of said hanging point, one end of the cantilever suspender is connected with stage clip, and the other One end is connected to the chain by a roller frame. 7 . The lifting device for lifting scaffolding according to claim 1 , wherein the hoisting point truss is arranged on the third working layer of the scaffolding main body. 8 . 8. A kind of lifting scaffold lifting device according to claim 1, characterized in that, the center of the lifting point of the hanging seat attached to the wall and the hoist and the center of the lifting point of the lifting point truss of the hanging point truss and the hanging point truss on the same central axis. 9. A kind of lifting scaffold lifting device according to claim 5, characterized in that, the control system includes a single-chip microcomputer connected to the gravity sensor and the hoist, the single-chip microcomputer is connected with a main controller and a remote controller, and the The main controller is provided with a touch control screen. 10. The lifting device for lifting scaffolding according to claim 9, wherein the single-chip microcomputer is also connected to a mobile control terminal through a communication signal.