CN207944689U - A kind of architectural engineering Multifunctional lift scaffold - Google Patents

Abstract

The utility model relates to a multifunctional lifting scaffold for construction engineering, which comprises a base plate, a plurality of wheels are evenly distributed under the base plate, a plurality of first top plates are arranged on the right side above the base plate, and a second top plate is arranged on the left side above the base plate; each first Two sets of identical telescopic support mechanisms are arranged between the top plate and the base plate, and at least two sets of cross brackets are set between the second top plate and the base plate. The sides are parallel to the center line and arranged symmetrically; the ends of the upper and lower ends of the cross bracket are fixedly connected with sliders, and the sliders are respectively slidingly connected with the chute on the upper surface of the base plate and the lower surface of the second top plate; between the cross bracket and the base plate An electric push rod is hinged, and the lifting of the second top plate is realized through the expansion and contraction of the electric push rod; the scaffold structure of the utility model has a reasonable design, which can ensure the personal safety of construction workers while improving work efficiency.

Description

A kind of multifunctional lifting scaffolding for construction engineering

technical field

The utility model belongs to the technical field of construction engineering auxiliary machinery, in particular to a multifunctional lifting scaffold for construction engineering.

Background technique

In the construction industry, scaffolding refers to various supports erected on the construction site for workers to operate and solve vertical and horizontal transportation. It is mainly for construction workers to work up and down. Scaffolding is an important project, and scaffolding projects will affect the construction industry. development, but this form of support has the following disadvantages:

The scaffolding structure is complex, there are certain safety hazards, and the erection speed is slow, requiring repeated disassembly and assembly, which takes too long and affects the entire project duration. In terms of economy, the amount of steel used for scaffolding is large, and the number of turnovers of scaffolding is small, and the construction cost is high.

And in construction, the scaffolding of this structure is not convenient for transporting materials or tools. In the prior art, construction workers all use a simple mechanism of pulleys and ropes to lift, but such a temporarily installed mechanism does not have any safety measures, and there are major problems. potential safety hazards; on some private construction sites, construction workers even use the "throwing" method to transport materials or tools, such as bricks, hammers, etc. There have been many accidents caused by this construction method, but in today's society This method of construction is still very common.

In order to avoid the above problems, some mechanized designs have also appeared in the prior art, which improves the degree of mechanization of scaffolding construction. Utility model patent, the solution includes a base, base casters connected to the base, an upper platform parallel to the base and a support structure connected between the upper platform and the base, the support structure is four A group of scissor-type support structures that are evenly spaced and symmetrical to the center of the base. A load-bearing frame is connected between the base and the scissor-type support structure. The scissor-type support structure includes a set of scissor-type lifting rods and A hydraulic cylinder connected to the lower end of the fork-type lifting rod group; one end of the upper end of the scissor-type lifting rod group is fixedly connected to the upper cap, and the other end is connected to a pulley that slides along the slideway beam on the upper cap; One end of the lower end of the scissor-type lifting rod group is fixedly connected with the load-bearing frame, and the other end is connected with a roller sliding along the track beam on the load-bearing frame. Hydraulic rod connections for hydraulic cylinders.

This technical solution uses the hydraulic cylinder as the power element, and controls the lifting and lowering of the scissor lifting rod group through the extension and shortening of the hydraulic rod, so as to realize the overall raising and lowering of the scaffold. However, since the scaffold contains four groups of uniformly arranged For the scissor lifting rod group, four hydraulic cylinders are correspondingly arranged to control the corresponding scissor lifting rod group respectively.

However, during the construction of the structure, when personnel are required to be replaced or materials and tools are transported, it needs to be lowered as a whole, which affects the construction progress. If there are many people working on it, the upper cap can only be raised to the same level. Height, can not be constructed for different heights, affecting work efficiency.

Therefore, it is very necessary to design a more reasonable construction scaffolding.

Utility model content

In order to solve the technical problems existing in the prior art that the structure of the scaffolding is unreasonable, the transportation of personnel, materials and tools is inconvenient, and the scaffolding can only be raised to the same height, and construction cannot be carried out at multiple heights at the same time, which affects work efficiency, this practical The new model provides the following technical solutions:

A multifunctional lifting scaffold for construction engineering, including a base plate, a plurality of wheels are evenly distributed under the base plate, a plurality of first top plates are arranged on the right above the base plate, and a second top plate is arranged on the left side above the base plate;

Each of the first top board and the base plate is provided with two groups of identical telescopic support mechanisms, and at least two groups of cross brackets are provided between the second top board and the base board, and the two groups of telescopic support mechanisms and cross brackets The brackets are symmetrically arranged on the upper surface of the substrate and the center line parallel to the long side;

The ends of the upper and lower ends of the cross bracket are fixedly connected with sliders, and the sliders are respectively slidably connected with the chute on the upper surface of the base plate and the lower surface of the second top plate;

An electric push rod is hinged between the cross bracket and the base plate, and the lifting of the second top plate is realized through the expansion and contraction of the electric push rod.

As a further description of the utility model, the telescopic support mechanism includes two telescopic rods, and the telescopic rods are fixedly arranged between the base plate and the first top plate;

A positive and negative screw rod is arranged between the two telescopic rods, and the two ends of the positive and negative screw rod are respectively connected to the bottom sides of the two telescopic rods in rotation;

A nut is arranged on the positive thread and the negative thread on the positive and negative screw rod;

A first gear is fixedly arranged in the middle of the positive and negative screw rod;

A support rod is hinged between the nut and the top side of the nearest telescopic rod;

A motor is arranged on the base plate and between the two sets of telescopic support mechanisms, the power output end of the motor is connected to a transmission shaft, and the other end of the transmission shaft is fixedly provided with a second gear;

The second gear meshes with the first gears on both sides respectively.

As a further description of the utility model, a fixed block is fixed on the side of the bottom end of the telescopic rod, and a deep groove ball bearing is embedded in the fixed block, and the end of the positive and negative thread rod extends into the deep groove ball bearing The inner ring is fixedly connected with the inner ring of the deep groove ball bearing.

As a further description of the utility model, a plurality of support seats are arranged on the lower surface of the substrate;

The support seat includes a sleeve, a pole and a support plate, the sleeve is fixed on the lower surface of the substrate, one end of the pole extends into the sleeve, and the other end of the pole is connected to the support plate fixed connection;

Fastening screws are provided on the side of the sleeve.

As a further description of the utility model, a protective fence is provided on the upper surface of the second top plate;

The guardrail includes straight bars evenly distributed and fixed around the upper surface of the first top plate, a railing fixed on the straight bar, a protective door is arranged on one side of the railing, and a safety lock is arranged on the protective door.

Compared with the prior art, the beneficial effects obtained by the utility model are:

The scaffolding of the utility model is respectively provided with a plurality of first top boards and a second top board. During construction, the second top board is equivalent to a conveyor belt, which is mainly used for transporting materials and tools, and construction personnel on the first top board do not need to Repeated lifting improves work efficiency, and multiple first top boards are set, and the telescopic support mechanism under each first top board is only driven by one motor to ensure the balance of lifting, and multiple first top boards can stop at different heights. construction, further improving work efficiency.

The utility model will be described in further detail below in conjunction with the accompanying drawings and embodiments.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the scaffolding of the present invention.

Fig. 2 is an overall schematic diagram of two sets of telescopic support mechanisms of the scaffold of the present invention.

In the figure: 1. Base plate; 2. First top plate; 3. Second top plate; 4. Telescopic rod; 5. Pros and cons screw; 6. Nut; 7. First gear; 8. Motor; 9. Transmission shaft ;10, second gear; 11, fixed block; 12, wheel; 13, cross bracket; 14, slider; 15, electric push rod; 16, straight rod; 17, railing; 18, protective door; 19, safety lock ; 20, deep groove ball bearing; 21, power module; 22, sleeve; 23, pole; 24, support plate; 25, fastening screw; 26, support rod.

Detailed ways

In order to further illustrate the technical means and effects of the utility model to achieve the intended purpose, the specific implementation, structural features and effects of the utility model will be described in detail below in conjunction with the accompanying drawings and examples.

In particular, the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "top", "bottom", "inner" and "outer" in the present invention are based on the attached The orientation or positional relationship shown in the figure is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as Limitations on the Invention.

As shown in Fig. 1 and Fig. 2, a multifunctional lifting scaffold for construction engineering includes a base plate 1, a plurality of wheels 12 are evenly distributed below the base plate 1, a plurality of first top plates 2 are arranged on the right side above the base plate 1, and There is a second top plate 3 on the left side; two sets of identical telescopic support mechanisms are arranged between each first top plate 2 and the base plate 1, and at least two sets of cross brackets 13 are arranged between the second top plate 3 and the base plate 1. The telescopic support mechanism of the group and the cross support 13 are all arranged symmetrically with the center line parallel to the long side on the upper surface of the substrate 1; the ends of the upper and lower ends of the cross support 13 are fixedly connected with slide blocks 14, and the slide blocks 14 are respectively connected with The chute on the upper surface of the base plate 1 and the lower surface of the second top plate 3 is slidingly connected; an electric push rod 15 is hinged between the cross bracket 13 and the base plate 1, and the lifting of the second top plate 3 is realized by the expansion and contraction of the electric push rod 15.

In this embodiment, by setting a plurality of first top boards 2 (only one is shown in the accompanying drawings), in order to realize construction, work on multiple heights at the same time, greatly improving work efficiency, the second top board 3 is used as a conveyor belt, for Construction workers transport materials or tools at high places to avoid lowering work efficiency due to back and forth lifting. The second top plate 3 is lifted and lowered through the cross bracket 13 provided between the base plate 1. The cross bracket 13 slides through the slider 14. The push rod 15 is used as the drive element, and the electric push rod 15 is selected from the models commonly used on the market to meet the requirements, and it is easy to replace.

Further, the telescopic support mechanism includes two telescopic rods 4, and the telescopic rods 4 are fixedly arranged between the base plate 1 and the first top plate 2; a positive and negative screw rod 5 is arranged between the two telescopic rods 4, and the positive and negative teeth are arranged between the two telescopic rods 4. The two ends of the screw rod 5 are respectively connected to the bottom sides of the two telescopic rods 4 for rotation; the positive and negative screw rods 5 are provided with a nut 6 on the positive thread and the reverse screw thread; The first gear 7; a support rod 26 is hinged between the nut 6 and the top side of the nearest telescopic rod 4; on the base plate 1, a motor 8 is arranged between the two groups of telescopic support mechanisms, and the power output end of the motor 8 is connected to a transmission shaft 9. The other end of the transmission shaft 9 is fixedly provided with a second gear 10; the second gear 10 meshes with the first gear 7 on both sides respectively.

In this embodiment, the first top plate 2 drives the second gear 10 to rotate through the motor 8, thereby driving the first gear 7 and the positive and negative screw rods 5 to rotate, so that the nut 6 moves on the positive and negative screw rods 5, and the two positive and negative screws The tooth screw rods 5 are symmetrically distributed, so when the two positive and negative tooth screw rods 5 rotate in the same direction, the two nuts 6 mounted on the positive thread move in the same direction, and the two nuts 6 mounted on the negative thread move in the same direction. Move in the opposite direction, so that the lifting of the telescopic rod 4 can be driven by the hinged support rod 26. Since the two groups of telescopic support mechanisms in this embodiment are driven by the same motor 8, it can be ensured that the two positive and negative screw rods 5 Rotating at the same speed, the four nuts 6 move at the same speed, thereby ensuring the smooth rise and fall of the first top plate 2 and eliminating the potential safety hazard of the imbalance of the first top plate 2 during the lifting process.

Preferably, the motor 8 can be a common driving motor 8 in the prior art, and the motor 8 can be controlled by a remote controller in the prior art, so that construction personnel are more convenient in use. Connect with motor 8.

Further, a fixed block 11 is fixedly arranged on the side of the bottom end of the expansion rod 4, and a deep groove ball bearing 20 is embedded in the fixed block 11. 20 inner rings are fixedly connected; positive and negative screw rods 5 ends are fixedly connected with deep groove ball bearings 20 inner rings, which can ensure positive and negative screw rods 5 to rotate at a uniform speed.

Further, a plurality of supporting seats are provided on the lower surface of the substrate 1; the supporting seats include a sleeve 22, a pole 23 and a supporting plate 24, the sleeve 22 is fixed on the lower surface of the substrate 1, and one end of the pole 23 extends into the sleeve. In the cylinder 22, the other end of the pole 23 is fixedly connected with the support plate 24; the side of the sleeve 22 is provided with a fastening screw 25; 1 On the lower surface, a plurality of support seats are symmetrically arranged at equal intervals along the center line parallel to the long side on the base plate 1, so as to ensure the overall stability of the scaffold during the construction process and ensure the personal safety of the construction personnel.

Further, the upper surface of the second top plate 3 is provided with a guardrail; the guardrail includes straight bars 16 evenly distributed and fixed on the upper surface of the first top plate 2, railings 17 fixed on the straight bars 16, and one side of the railing 17 is provided with Protective door 18, safety lock 19 is arranged on the protective door 18, construction personnel stand on the first top plate 2 and carry out construction, and protective fence can further guarantee the personal safety of construction personnel in the construction process, further eliminates the potential safety hazard in the construction process.

Preferably, a power module 21 is arranged near the motor 8, and the power module 21 is a detachable storage battery. On the scaffold, a power module 21 can be arranged near the motor 8 below each first top plate 2, or only one or Several power supply modules 21. The power supply module 21 selects the storage battery in the prior art to supply power to the motor 8, and the storage battery is connected with the motor 8 through the prior art, the detachable structure is convenient for charging the storage battery, and the use is more convenient; the wheels 12 on the scaffold adopt the commonly used All it takes is universal wheels, which are easy to move when changing the construction site.

The scaffold working process and working principle of the present embodiment are described in detail below:

When the scaffolding of this embodiment is not in use, lower the first top plate 2 and the second top plate 3 to the lowest point and store them in a suitable place. Move the position, when arriving at the construction site, unscrew the fastening screw 25, put down the pole 23, make the support plate 24 contact the ground, increase the scaffold bearing capacity, then tighten the fastening screw 25. And for the difference of the construction site, the size of the scaffold is also different. When the scaffold is provided with a plurality of first top boards 2 and the overall length is long, in order to increase its overall stability, the number of support seats and wheels 12 can be increased accordingly.

Construction workers open the protective door 18, stand on the first top plate 2, then start the motor 8, so that the motor 8 drives the second gear 10 to rotate, and the two first gears 7 meshed with it rotate accordingly, and due to the two first teeth 7 are respectively meshed with the second gear 10, so the two first gears 7 rotate in the same direction, and the corresponding two positive and negative screw rods 5 also rotate in the same direction; The top and the center line parallel to the long side are arranged symmetrically, so the positions of the positive and negative threads on the two positive and negative screw rods 5 are the same. When the positive and negative screw rods 5 rotate, the four nuts 6 will Simultaneously on the tooth screw 5, move at the same speed, and the direction of movement of the two nuts 6 arranged on the forward thread is the same, and the direction of movement of the nut 6 arranged on the reverse thread is opposite; Two nuts 6 on the anti-thread screw mandrel 5 move to the middle part or both sides simultaneously. The support rod 26 hinged between the nut 6 and the top side of the telescopic rod 4, when the positive and negative screw rod 5 rotates, the nut 6 moves, and then the support rod 26 can drive the telescopic rod 4 to lift.

When the construction workers start the motor 8, they control the rotation direction of the motor 8 so that the nuts 6 move to the adjacent telescopic rods 4 respectively. Driven by the motor 8, the four nuts 6 move at the same speed, thereby ensuring that the four telescopic rods 4 rise at the same time and at the same speed to ensure the balance of the first top plate 2. When the required height is reached, the motor 8 is turned off to start construction; When a plurality of laborers need to carry out construction at different heights, they stand on different first top boards 2 respectively, control the corresponding motors 8 respectively, and carry out construction after rising to the required height.

During the construction process, when materials or tools need to be transported, the required tools can be transported to the corresponding height by controlling the electric push rod 15 under the second top plate 3. The electric push rod 15 is connected to the power module 21 through the prior art, Power is supplied by the power module 21; when the personnel on the first top board 2 need to be replaced, they can also be replaced through the second top board 3, without frequent lifting of the first top board 2, which improves work efficiency. After the construction is completed, turn on the motor 8 to rotate in the opposite direction, then the first top plate 2 will descend, and then move the place.

During the construction process, the guardrail on the first top plate 2 can ensure the safety around the construction personnel, avoid falling from a height, and further eliminate potential safety hazards. personal safety.

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

Claims (3)

1. A multifunctional lifting scaffold for construction engineering, including a base plate (1), and a plurality of wheels (12) are uniformly distributed under the base plate (1), characterized in that: there are multiple wheels (12) on the upper right side of the base plate (1). a first top plate (2), and a second top plate (3) is arranged on the upper left side of the base plate (1); Each of the first top plate (2) and the base plate (1) is provided with two sets of the same telescopic support mechanism, and at least two sets of crossing structures are provided between the second top plate (3) and the base plate (1). The bracket (13), the telescopic support mechanism and the cross bracket (13) of the two groups are arranged symmetrically on the upper surface of the substrate (1) and the center line parallel to the long side; The ends of the upper and lower ends of the cross bracket (13) are fixedly connected with sliders (14), and the sliders (14) are respectively connected to the upper surface of the base plate (1) and the lower surface of the second top plate (3). chute sliding connection; An electric push rod (15) is hinged between the cross bracket (13) and the base plate (1), and the lifting of the second top plate (3) is realized through the expansion and contraction of the electric push rod (15); The telescopic support mechanism includes two telescopic rods (4), and the telescopic rods (4) are fixedly arranged between the base plate (1) and the first top plate (2); There is a positive and negative screw rod (5) between the two telescopic rods (4), and the two ends of the positive and negative screw rod (5) are respectively connected to the bottom sides of the two telescopic rods (4). ; A nut (6) is provided on both the positive thread and the negative thread of the positive and negative screw rod (5); A first gear (7) is fixedly arranged in the middle of the positive and negative tooth screw (5); A support rod (26) is hinged between the nut (6) and the top side of the nearest telescopic rod (4); A motor (8) is arranged on the base plate (1) and between the two sets of telescopic support mechanisms, and the power output end of the motor (8) is connected to a transmission shaft (9), and the transmission shaft (9) is another One end is fixedly provided with a second gear (10); The second gear (10) meshes with the first gears (7) on both sides respectively; A fixed block (11) is fixed on the side of the bottom end of the telescopic rod (4), and a deep groove ball bearing (20) is embedded in the fixed block (11). into the deep groove ball bearing (20) and fixedly connected with the inner ring of the deep groove ball bearing (20). 2. The scaffold according to claim 1, characterized in that: the lower surface of the base plate (1) is provided with a plurality of supporting seats; The support seat includes a sleeve (22), a pole (23) and a support plate (24), the sleeve (22) is fixed on the lower surface of the base plate (1), and one end of the pole (23) Extending into the sleeve (22), the other end of the strut (23) is fixedly connected with the support plate (24); Fastening screws (25) are arranged on the side of the sleeve (22). 3. The scaffold according to claim 1, characterized in that: the upper surface of the second top plate (3) is provided with a guardrail; The guardrail includes straight bars (16) evenly distributed and fixed around the upper surface of the first top plate (2), railings (17) fixed on the straight bars (16), and one side of the railing (17) A protective door (18) is provided, and a safety lock (19) is provided on the protective door (18).