CN101962995B - Multi-mast movable-type lifting operating platform used for construction - Google Patents

Abstract

The invention discloses a multi-mast mobile elevating work platform for construction, which belongs to the elevating device. The existing mast-type elevating work platform cannot meet the requirements of building construction. The device and the supporting device installed on the base frame are characterized in that: at least two pairs of masts are distributed on the base frame, and a connecting frame is connected between each mast, and a motor-driven motor is arranged on the connecting frame. The rotary support is connected with the working platform on the rotary support. The multi-mast mobile elevating work platform for construction can turn and walk through the steering device, the stability can be guaranteed through the support device, and the working platform can be rotated through the rotating support. Therefore, the construction multi-mast mobile platform can be used according to needs. The mobile elevating work platform can be easily moved to a suitable location for construction, especially suitable for the construction of roof panels and facade maintenance panels in steel structures.

Description

Multi-mast mobile elevating work platform for construction

technical field

The invention relates to an elevating work platform, in particular to a multi-mast mobile elevating work platform for construction.

Background technique

Due to the lack of corresponding construction equipment, modern building construction, especially the construction of inner roof panels and facade maintenance panels in steel structures, makes construction difficult, low in efficiency, difficult to guarantee construction quality, and has great construction safety hazards. , the market urgently needs a kind of construction equipment to meet the construction requirements.

The mast-type elevating work platform is widely used due to its compact structure, light weight of the whole machine, and good stability in all directions after lifting. However, the existing mast-type elevating work platforms cannot meet the above construction requirements. It mainly includes the following aspects: the working platform cannot be large enough to deliver the inner roof panel with a length of more than 8 meters to the bottom of the roof structure; moving a working position requires multiple turns and walking to be correctly positioned, etc. Therefore, it is necessary to conduct applicability technical research on the basis of the existing mast-type working platform, so that the mast-type elevating work platform can meet the special requirements of similar purposes.

Contents of the invention

The technical problem to be solved and the technical task proposed by the present invention are to overcome the defect that the existing mast-type elevating work platform cannot meet the requirements of building construction, and provide a multi-mast mobile elevating work platform for construction.

In order to solve the technical problems proposed by the present invention, the multi-mast mobile elevating work platform for construction in the present invention includes an underframe, a steering device installed on the underside of the underframe, and a supporting device installed on the underframe, and is characterized in that: At least two pairs of masts are distributed on the underframe, and a connecting frame is connected between each mast, and a rotating support that can be driven by a motor is arranged on the connecting frame, and a working platform is connected to the rotating support; the rotating support It is composed of a fixed ring, a rotating ring and a rolling body arranged between the fixed ring and the rotating ring. The fixed ring is fixed relative to the connecting frame, the working platform is connected to the rotating ring, and the The motor drives the rotating circle through the transmission mechanism.

As a preferred technical measure, the fixed ring is fixed on a fixed plate, the fixed plate is fixed on the connecting frame, and a load sensor is arranged between the fixed plate and the connecting frame.

As a preferred technical measure, the motor is fixed on the fixing plate.

As a preferred technical measure, gears are arranged on the rotating ring, and the transmission mechanism is a gear transmission mechanism.

As a preferred technical measure, the masts are symmetrically arranged on both longitudinal edges of the chassis, and an angle is maintained between the masts on the same side.

As a preferred technical measure, the masts arranged on the same side of the underframe are symmetrically distributed.

As a preferred technical measure, the support device includes a support beam that can extend toward the periphery of the chassis and a leg installed at the outer end of the support beam.

As an optimal technical measure, material auxiliary brackets with different heights are installed at both ends of the working platform.

As a preferred technical measure, the steering running device includes two rotating driving axles installed on the underside of the underframe, and moving wheels are installed on both ends of each rotating driving axle.

The beneficial effects of the present invention are: by distributing at least two pairs of masts on the base frame and connecting a connection frame between each mast, a larger working platform can be installed on the connection frame, and since there are at least two pairs The mast is supported, and the platform is stable; by setting a rotating support that can be driven by a motor on the connecting frame, the working platform is even installed on the rotating support, and the rotation of the rotating support can be used to promote the rotation of the working platform when the lifting working platform is not moving. Work; the front and rear wheels of the steering and walking device can rotate in opposite directions at the same time, so that the whole machine can be turned almost in situ, greatly reducing the operation time of shifting, steering and positioning; a load sensor is installed between the rotating support and the connecting frame, which can Provide the load information on the working platform to the data processor to monitor the safety status of the whole machine, especially to avoid the danger caused by the load exceeding the rated value and unbalanced load. Further, the motor that drives the working platform to rotate is installed above the sensor , to ensure that the loads such as the quality of the working platform and the load of the working platform on the multi-mast connecting frame are only connected through the sensor to ensure that the signal is not disturbed.

Description of drawings

Fig. 1 is a kind of structural representation of the present invention.

Fig. 2 is a top view of the structure shown in Fig. 1 with the working platform removed.

Fig. 3 is a left side view of Fig. 1 .

Fig. 4 is a schematic diagram of the assembly of the connecting frame, the rotating support and the load sensor involved in the present invention.

Fig. 5 is a right side view of Fig. 4 .

Explanation of symbols in the figure: 1-underframe, 2A, 2B, 2C, 2D, 2E, 2F-mast, 3-connecting frame, 4-motor, 5-rotary support, 6-working platform, 7-fixing ring, 8 -rotating ring, 9-rolling body, 10-transmission mechanism, 11-fixed plate, 12-load sensor, 13-motor seat, 14-gear, 15-support beam, 16-leg, 17-hydraulic pump station, 18 - material auxiliary bracket, 19 - rotating drive axle, 20 - moving wheel, 21 - oblique support, 22 - climbing ladder, 23 - electric control box, 24 - storage battery.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings of the description.

The multi-mast mobile elevating work platform for construction of the present invention, as shown in Figures 1-3, includes an underframe 1, a steering device installed on the underside of the underframe 1, and a supporting device installed on the underframe 1, At least two pairs of masts are distributed on the chassis 1 (three pairs are shown in FIG. 2 ), and each mast 2A, 2B, 2C, 2D, 2E, and 2F are jointly connected with a connecting frame 3, and a connecting frame 3 is provided on the connecting frame 3. A rotary support 5 that can be driven by the motor 4, and a working platform 6 is connected to the rotary support 5. The multi-mast mobile elevating work platform for construction can turn and walk through the steering device, the stability can be guaranteed through the support device, and the working platform can be rotated through the rotating support. Therefore, the construction multi-mast mobile platform can be used according to needs. The mobile elevating work platform can be easily moved to a suitable location for construction, especially suitable for the construction of roof panels and facade maintenance panels in steel structures.

As a further improvement and supplement to the above-mentioned technical solution, the present invention also includes the following additional technical features. Although Fig. 1-3 contains all the following additional technical features, it is a preferred embodiment of the present invention, but the present invention is not limited to this situation, they are selected on the technical scheme described in the previous paragraph according to the specific effect when implementing the present invention.

In order to make the structure stable, see Fig. 4-5, the rotating support 5 is composed of a fixed ring 7, a rotating ring 8 and a rolling body 9 arranged between the fixed ring 7 and the rotating ring 8, the fixed ring 7 is fixed relative to the connecting frame 3, The working platform 6 is connected to the rotating ring 8 , and the motor 4 drives the rotating ring 8 through the transmission mechanism 10 . In the illustration, the rotating ring 8 is inside, and the fixed ring 7 is outside, and the positions of the two can be changed during actual implementation. Further, the fixed ring 7 is fixed on a fixed plate 11, the fixed plate 11 is fixed on the connecting frame 3, a load sensor 12 is arranged between the fixed plate 11 and the connecting frame 3, and the load on the working platform 6 can be The information is provided to the data processor to monitor the safety status of the whole machine, especially to avoid the danger caused by the load exceeding the rated value and unbalanced load. Further, the motor 4 is fixed on the fixed plate 11 (a motor base 13 is arranged on the fixed plate 11, and the motor 4 is mounted on the motor base 13), so that the motor 4 is installed above the load sensor 12 to ensure that the connecting frame 3 Loads such as the quality of the working platform and the load of the working platform are uniquely connected through the load sensor 12 to ensure that the signal is not disturbed.

In order to make the structure compact, a gear 14 is arranged on the rotating ring 8, and the transmission mechanism 10 is a gear transmission mechanism.

The masts 2A, 2B, 2C, 2D, 2E, and 2F are symmetrically arranged on the longitudinal sides of the chassis 1. As shown in FIG. 2, the mast 2A and the mast 2B are a pair, and the mast 2C and the mast 2D is a pair, and the mast 2E and the mast 2F are a pair, which are symmetrically arranged on both longitudinal edges of the chassis 1, and there is an included angle between the masts on the same side, so that the masts on the same side The columns are arranged in different postures, so that after connecting the connecting frame 3, each mast can be integrated to avoid swaying. In particular, the masts arranged on the same side of the chassis are symmetrically distributed. As shown in FIG. 2, the mast 2A is symmetrically arranged with the mast 2E, and the mast 2B is symmetrically arranged with the mast 2F. Three pairs, so the middle pair is the center of symmetry. When it is an even number of pairs, it can be symmetrical in pairs. This structure can make each mast connected to the connecting frame with consistent anti-swing ability in all directions, ensuring that the mast is raised. stability.

The support device includes a support beam 15 that can extend to the periphery of the chassis 1 and a support leg 16 installed on the outer end of the support beam 15. The support leg 16 can be a mechanical support leg or a hydraulic support leg. The figure is a hydraulic support leg. The hydraulic oil used for work can be provided by the same hydraulic pump station 17 as the hydraulic oil used for mast lifting.

Material auxiliary brackets 18 with different heights are installed at both ends of the working platform 6, so that the panel is lifted at a certain angle to adapt to the slope of the roof.

Turning to running gear comprises two rotating driving axles 19 installed on the underframe 1 underside, and moving wheels 20 are installed on the two ends of each rotating driving axle. The front and rear wheels of the steering and traveling device can rotate in opposite directions at the same time, so that the whole machine can almost turn on the spot, greatly reducing the operation time of shifting, steering and positioning.

In addition, in order to ensure the stability of the mast, each mast is connected with a diagonal support 21, and in order to facilitate the staff to go up and down the working platform, a ladder 22 is also provided; in order to facilitate the realization of automatic control, an electrical control box is provided on the chassis 1 23 and accumulator 24 etc., can reduce the center of whole working platform simultaneously, be beneficial to keep stable.

Claims (9)

1. A multi-mast mobile elevating work platform for construction, including an underframe (1), a steering device installed on the underside of the underframe (1) and a supporting device installed on the underframe (1), and is characterized by: At least two pairs of masts (2A, 2B, 2C, 2D, 2E, 2F) are distributed on the underframe (1), and a connecting frame (3) is connected between each mast, and the connecting frame (3) is Set a rotary support (5) that can be driven by the motor (4), and the rotary support (5) is connected to the working platform (6); the rotary support (5) is composed of a fixed ring (7), a rotating ring (8) And the rolling body (9) arranged between the fixed ring (7) and the rotating ring (8), the fixed ring (7) is fixed relative to the connecting frame (3), and the working platform (6 ) is connected to the rotating ring (8), and the motor (4) drives the rotating ring (8) through the transmission mechanism (10). 2. The multi-mast mobile elevating work platform for construction according to claim 1, characterized in that the fixed ring (7) is fixed on a fixed plate (11), and the fixed plate (11) is fixed on the On the connecting frame (3) mentioned above, a load sensor (12) is arranged between the fixing plate (11) and the connecting frame (3). 3. The multi-mast mobile elevating work platform for construction according to claim 2, characterized in that the motor (4) is fixed on the fixed plate (11). 4. The multi-mast mobile elevating work platform for construction according to claim 1, characterized in that a gear (14) is set on the rotating ring (8), and the transmission mechanism (10) is a gear transmission mechanism . 5. The multi-mast mobile elevating work platform for construction according to claim 1, characterized in that the masts (2A, 2B, 2C, 2D, 2E, 2F) are symmetrically arranged on the underframe (1) on both sides of the longitudinal edges, and maintain an included angle between the masts on the same side. 6. The multi-mast mobile elevating work platform for construction according to claim 5, characterized in that the masts arranged on the same side of the chassis are symmetrically distributed. 7. The multi-mast mobile elevating work platform for construction according to claim 1, characterized in that the support device includes a support beam (15) that can extend to the periphery of the chassis and a support beam (15) installed at the outer end of the support beam. Outriggers (16). 8. The multi-mast mobile elevating work platform for construction according to claim 1, characterized in that material auxiliary brackets (18) of different heights are installed at both ends of the work platform (6). 9. The multi-mast mobile elevating work platform for construction according to claim 1, characterized in that the steering and running device includes two rotating drive axles (19) installed on the underside of the chassis (1) , mobile wheels (20) are installed on the two ends of each rotating drive axle.

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