CN101704492A - Double-pole climbing aerial working platform - Google Patents

Abstract

The invention relates to a high-altitude operation device. The double-mast climbing aerial work platform includes two sets of vertical tower assemblies and platform assemblies. The two sets of vertical tower assemblies are respectively composed of a roof and a plurality of standard sections of frame structure. It is fixedly connected with the connection frame and the top cover in a detachable manner; one side of the connection frame and the standard joint is respectively provided with a rack, and the racks are connected to each other to form a toothed track; the platform assembly is fixed with a mounting frame, and the vertical tower is pierced In the installation frame, there are rollers on the installation frame, and the rollers are rolled and attached to the standard section. The installation frame is also fixed with a fixed plate. The motor and the anti-fall safety device are fixed on the fixed plate. The motor is connected with a transmission gear. The transmission gear and the anti-fall gear of the anti-fall safety device are respectively meshed with the rack. The invention expands the scope of the working table, the standard joints can be added without limit, and has the characteristics of a wider working range, a higher lifting height, and more reliable stability and safety.

Description

Double mast climbing aerial work platform

technical field

The invention relates to a high-altitude operation device.

Background technique

Existing aerial work platforms, such as scissor lift work platforms, mast lift work platforms and telescopic lift work platforms, are generally used for the installation and maintenance of street lights or the handling of high-altitude goods, as well as other heights that are not too high. Aerial work. They generally all have the shortcomings of insufficient lifting height and a small range of worktables. In addition, existing scaffolding needs to be erected during the construction of building walls, which is time-consuming to construct and dismantle, and is not safe enough. Also there is not one that can work in a large area, and the high-altitude operation device with a high lifting height has been publicly reported.

The applicant applied for an invention patent with the patent application number: 200910097374.9 on April 13, 2009. This patent discloses a climbing aerial work platform with a single mast. The aerial work platform of this patent expands the scope of the work surface. It can be added unlimitedly, which expands the rising height of the worktable, and has the characteristics of large operating range, high lifting height, safety and reliability. However, due to the use of a single mast, on the one hand, the working range of the work surface is limited, and the stability cannot be compared with that of two masts.

Contents of the invention

In order to solve the above-mentioned existing technical defects, the object of the present invention is to provide a double-mast climbing aerial work platform, which has the characteristics of a wider operating range, a higher lifting height, and more reliable stability and safety.

In order to realize above-mentioned technical purpose, the present invention adopts following technical scheme:

Double-mast climbing aerial work platform. The aerial work platform includes a walking device, two bases, a foot assembly, two sets of vertical tower assemblies and a platform assembly. The walking device is set on the bottom of the base, and the foot assembly is set on the base. The four corners of the four corners are respectively fixed with connection frames on the two bases; the two sets of vertical tower assemblies are respectively composed of a top cover and a plurality of standard sections, and the bottom standard section and the two connection frames respectively can be Detachable fixed connection, the topmost standard section and the top cover are detachably fixedly connected, the described standard section is a frame structure, and each standard section is also connected through a detachable fixed connection; the described connection The frame and one side of each standard section are respectively provided with vertical racks, and the racks on the connecting frame and multiple standard sections are connected to each other to form a toothed track; the platform assembly includes two side working tables and a middle working table. table, and mounting frames are respectively fixed on the two side working tables. The two sets of vertical tower assemblies are respectively installed in the mounting frame, and the corners of the mounting frame are respectively equipped with rollers, which are connected with the standard section. The vertical rods of the two installation frames are rolled and attached to each other; one side of the two installation frames is respectively fixed with a fixed plate, and the fixed plates are respectively fixed with a power device and an anti-fall safety device. The power device includes a motor, and the motor is fixed on the fixed plate. The transmission gear is connected with a transmission gear, and the transmission gear meshes with the rack. The anti-fall safety device includes an anti-fall gear, and the anti-fall gear also meshes with the rack.

As a preference, the standard joint is a frame structure composed of four vertical bars, cross bars and oblique bars welded, the lower ends of the four vertical bars are respectively tenon tubes, and the upper ends are respectively notches matching the tenon tubes, The upper and lower standard sections are spliced with each other through the tenon tube and the notch, and the upper and lower ends of the inner sides of the four vertical bars are respectively welded with connecting pipes, and the two standard sections are fixedly connected by bolts set in the connecting pipes. On the one hand, the above-mentioned structure ensures the stability and safety of the vertical tower assembly, and on the other hand, standard sections can be added conveniently to increase the overall height of the vertical tower assembly.

As a preference, the vertical tower assembly also includes a wall anchoring device. The wall anchoring device is composed of two fixed rods, two telescopic adjustment rods, and a stabilizing rod. The two fixed rods are arranged in parallel on the vertical tower assembly. The inner side of the two telescopic adjustment rods are respectively fixed on the two fixed rods through the hoop group, the other ends of the telescopic adjustment rods are respectively hinged with a fixed frame against the wall, and one end of the stabilizer rod is connected to a telescopic adjustment rod through the The hoop groups are connected, and the other end of the stabilizer bar is connected with the fixing frame on another telescopic adjustment rod. The wall anchoring device further ensures the stability and safety of the present invention.

Preferably, the platform assembly is provided with an operation prompting horn, the operation prompting horn is controlled by a sensor provided on the platform assembly, and a trigger plate is vertically installed at the lower part of the tower assembly. The operation prompt horn is used to alert the personnel under the platform assembly to prevent accidents.

Preferably, the platform assembly further includes a vertical tower protective cover, the vertical tower protective cover is arranged around the installation frame, and the height of the vertical tower protective cover is 2 to 4 standard knots.

Preferably, the leg assembly is composed of a telescopic rod and a leg. One end of the telescopic rod is hingedly arranged at the corner of the base, and the leg is arranged at the other end of the telescopic rod. The leg is composed of a chassis, a cylinder and a screw rod, and the cylinder moves Set in the telescopic rod, the upper end of the cylinder is provided with a nut, the upper end of the screw rod is a hexagon socket head, the lower end is worn on the nut of the cylinder, the lower end of the cylinder is connected with a universal ball head, and the universal ball head is set through the gland In the ball socket of the chassis. Setting the legs through the telescopic rod further expands the range of the legs and increases the stability. In addition, the legs of the above structure further increase the stability of the legs.

Preferably, the base is provided with a central jack device at the position where the connecting frame is located. The center jack device is also mainly to further increase the overall stability.

Preferably, the platform assembly is provided with a rising upper limit and a falling lower limit to protect Hall sensors. Hall sensors are used to control the upper limit of rising and the lower limit of falling.

As a preference, the top cover includes two cross-set top plates, the top plate is provided with lifting holes, and the two sides of the top cover are respectively provided with anti-blowout devices, and the anti-blowout devices are composed of connecting plates, buffer pads and countersunk bolts. The buffer pad is fixed on the lower part of the connecting plate, and the connecting plate is fixed on the top cover through countersunk bolts. Hanging holes are set on the top plate to facilitate the installation of the top cover, and the buffer pad is mainly used to prevent the roof from falling out.

As a preference, the upper and lower parts of the four corners of the installation frame are provided with rollers respectively, and there are two rollers at each location, and the two rollers are arranged at right angles to roll and stick to the outer surface of the standard section vertical pole respectively. The above-mentioned structure is mainly used to ensure the stability of the rising and falling of the platform assembly.

Due to the adoption of the above-mentioned technical scheme, the present invention adopts two bases, leg assemblies and two sets of vertical tower assemblies, and drives the transmission gears through two sets of motors to make the whole platform assembly move up and down on the rack. The anti-drop safety device can prevent the platform assembly from descending too fast and make the descent stable. The invention expands the scope of the working table, the standard joints can be added without limit, and has the characteristics of a wider working range, a higher lifting height, and more reliable stability and safety.

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

Fig. 2 is the right side view of Fig. 1 .

FIG. 3 is a top view of FIG. 1 .

Fig. 4 is a structural schematic view of the base, the leg assembly and the walking device of the present invention.

FIG. 5 is a top view of FIG. 4 .

Fig. 6 is a structural schematic view of the base, the leg assembly, the walking device, and the vertical tower assembly of the present invention.

Fig. 7 is a schematic structural diagram of a standard section of the present invention.

Fig. 8 is a structural schematic diagram of the wall anchoring device of the present invention.

Fig. 9 is a schematic diagram of the structure of the foot of the present invention.

Fig. 10 is a schematic structural view of the top cover of the present invention.

Detailed ways

The specific implementation manner of the present invention will be described in detail below in conjunction with the accompanying drawings.

The mast climbing aerial work platform shown in Figure 1, Figure 2, and Figure 3, the aerial work platform includes two sets of walking devices 3, two bases 1, foot assembly 2, two sets of vertical tower assemblies 4 and the platform assembly5. As shown in Fig. 4 and Fig. 5, two sets of walking devices 3 are respectively arranged at the bottom of the two bases 1, and the leg assembly 2 is arranged at the four corners of the base 1, and the leg assembly 2 is composed of a telescopic rod 22 and a leg 21. One end of the telescopic rod 22 is hingedly arranged at the corner of the base 1 , and the leg 21 is arranged at the other end of the telescopic rod 22 . As shown in Figure 9, the support foot 21 is made up of a chassis 24, a cylinder body 23 and a screw rod 25, the cylinder body 23 is movably arranged in the telescopic rod 22, the upper end of the cylinder body 23 is provided with a nut 26, and the upper end of the screw rod 25 is an inner hexagonal column head 19. The lower end is passed through the nut 26 of the cylinder body 23, and the lower end of the cylinder body 23 is connected with a universal ball head 27, and the universal ball head 27 is arranged in the ball head seat of the chassis 24 through the gland 28. As shown in FIG. 5 , a connection frame 11 is fixedly arranged on the base 1 , and a central jack device 12 is provided on the base 1 at the position of the connection frame 11 .

As shown in FIG. 6 , the two sets of vertical tower assemblies 4 are respectively composed of a top cover 7 and a plurality of standard sections 40 . As shown in Figure 7, the standard section 40 is a frame structure formed by welding four vertical bars 43, horizontal bars 47 and oblique bars 48. The lower ends of the four vertical bars 43 are tenon tubes 45, and the upper ends are respectively tenon tubes 45 The matching notch 46, the upper and lower two standard joints 40 are spliced with the notch 46 through the tenon tube 45, and the upper and lower ends of the inner sides of the four vertical bars 43 are respectively welded with connecting pipes 44, the two standard The joints 40 are detachably fixedly connected by bolts 49 provided in the connecting pipe 44 . The bottommost standard section 40 is also detachably fixedly connected to the connecting frame 11 in the same manner, and the topmost standard section 40 is also detachably fixedly connected to the top cover 7 in the same manner. As shown in FIG. 6 , vertical racks 41 are respectively provided on one side of the connection frame 11 and each standard section 40 , and the connection frame 11 and the racks 41 on the plurality of standard sections 40 are connected to each other to form a toothed track. As shown in Figure 10, the top cover 7 comprises two cross-set top plates, the top plate is provided with hanging holes 71, and the two sides of the top cover 7 are respectively provided with an anti-shock top device, and the anti-blow top device consists of a connecting plate 73, a buffer pad 74 and countersunk bolt 72 constitute, and buffer pad 74 is fixed on connecting plate 73 bottoms, and connecting plate 73 is fixed on the top cover 7 by countersunk bolt 72.

As shown in FIG. 2 , the vertical tower assembly 4 also includes a wall anchoring device 6 . As shown in Figure 8, the wall anchoring device 6 is made up of two fixed rods 61, two telescopic adjustment rods 62, and a stabilizing rod 63. One end of 62 is respectively fixed on two fixed rods 61 by hoop group 64, and the other end of telescopic adjustment rod 62 is respectively hingedly provided with the fixed mount 65 that resists with the wall, and one end of stabilizing rod 63 and a telescopic adjustment rod 62 pass through The hoop group 64 is connected, and the other end of the stabilizing rod 63 is connected with the fixed frame 65 on another telescopic adjusting rod 62 .

As shown in Fig. 1 and Fig. 2, the platform assembly 5 includes a working surface 52, a guardrail 50, a protective ladder 58 and two sets of power devices. The tower assembly 4 is respectively installed in the mounting frame 53, and the upper and lower parts of the four corners of the mounting frame 53 are respectively provided with rollers 56, and each roller 56 is respectively two, and the two rollers 56 are arranged at right angles, respectively. The outer sides of the standard section 40 poles roll and stick together. One side of the two mounting brackets 53 is respectively fixed with a fixed plate 57, and the two sets of power devices respectively include a motor 8, which is fixed on the fixed plate 57, and the motor 8 passes through the gearbox. A transmission gear 81 is connected, and the transmission gear 81 meshes with the rack 41; the fixed plate 57 is also provided with an anti-falling safety device 9, which includes an anti-falling gear 91, an anti-falling gear 91 is also engaged with the rack 41. As shown in Figure 2, the platform assembly 5 also includes a vertical tower protective cover 55, and the vertical tower protective cover 55 is arranged around the installation frame 53, and the height of the vertical tower protective cover 55 It is the height of three standard sections 40. In addition, the platform assembly 5 is provided with an operation prompting horn 57, which is controlled by a sensor provided on the platform assembly 5 and installed vertically at the lower part of the vertical tower assembly 4 A sensor trigger plate 42 is provided. At the same time, the platform assembly 5 is provided with a rising upper limit and a falling lower limit to protect Hall sensors.

Claims (10)

1. The double-mast climbing aerial work platform is characterized in that the aerial work platform includes a walking device (3), two bases (1), a foot assembly (2), two sets of vertical tower assemblies (4) and The platform assembly (5), the running gear (3) are arranged at the bottom of the base (1), the leg assemblies (2) are arranged at the four corners of the base (1), and are respectively fixed on the two bases (1) There is a connection frame (11); the two sets of vertical tower assemblies (4) are respectively composed of a top cover (7) and a plurality of standard sections (40), and the bottommost standard section (40) is connected to two connection frames respectively. (11) Detachable fixed connection, the topmost standard section (40) is detachably fixedly connected with the top cover (7), the described standard section (40) is a frame structure, and each standard section (40) Also respectively through detachable fixed connection; One side of the described connection frame (11) and each standard joint (40) is respectively provided with a vertical rack (41), the connection frame (11) and a plurality of The racks (41) on the standard section (40) are connected to each other to form a toothed track; the platform assembly (5) includes two side worktables and a middle worktable, and is fixedly arranged on the two side worktables respectively Mounting frame (53) is arranged, and described two sets of vertical tower assemblies (4) are worn in mounting frame (53) respectively, and the corner of mounting frame (53) is provided with roller (56) respectively, and roller ( 56) The vertical bar (43) of the standard joint (40) is rolled and attached; one side of the two mounting brackets (53) is respectively fixed with a fixed plate (54), and the fixed plate (54) is respectively fixed with a power device And anti-drop safety device (9), power unit comprises motor (8), and motor (8) is fixed on the fixed plate (54), and motor (8) is connected with transmission gear (81) by gearbox, and transmission gear (81 ) is meshed with the rack (41), the anti-fall safety device (9) includes an anti-fall gear (91), and the anti-fall gear (91) is also meshed with the rack (41). 2. The double-mast climbing aerial work platform according to claim 1, characterized in that: the standard section (40) is four vertical bars (43), horizontal bars (47) and inclined bars (48) A frame structure formed by welding, the lower ends of the four vertical rods (43) are tenon tubes (45), the upper ends are notches (46) matching the tenon tubes (45), and the upper and lower two standard joints (40) Splice each other through the mortise tube (45) and the notch (46), and the upper and lower ends of the inner sides of the four vertical bars (43) are respectively welded with connecting pipes (44), and the two standard joints (40) pass through The bolts (49) arranged in the connecting pipe (44) are fixedly connected. 3. The double-mast climbing aerial work platform according to claim 1, characterized in that: the vertical tower assembly (4) also includes a wall anchoring device (6), and the wall anchoring device (6) consists of Two fixed rods (61), two telescopic adjustment rods (62), and a stabilizing rod (63) are formed, and two fixed rods (61) are arranged on the inner side of vertical tower assembly (4) in parallel, and two telescopic adjustment rods One end of the rod (62) is respectively fixed on two fixed rods (61) by the hoop group (64), and the other end of the telescopic adjustment rod (62) is respectively hingedly provided with a fixed frame (65) which is against the wall, and the stabilizer rod (63) one end is connected with a telescopic adjustment rod (62) by the hoop group (64), and the other end of the stabilizing rod (63) is connected with the fixed mount (65) on another telescopic adjustment rod (62). 4. The double-mast climbing aerial work platform according to claim 1, characterized in that: said platform assembly (5) is provided with an operation prompt horn (57), and the operation prompt horn (57) is set on The platform assembly (5) is controlled by a sensor, and the bottom of the vertical tower assembly (4) is vertically installed with a sensor trigger plate (42). 5. The double-mast climbing aerial work platform according to claim 1, characterized in that: the platform assembly (5) also includes a tower protective cover (55), and the vertical tower protective cover (55) is arranged on Around the installation frame (53), the height of the tower protective cover (55) is the height of 2～4 standard joints (40). 6. The double-mast climbing aerial work platform according to claim 1, characterized in that: the leg assembly (2) is composed of a telescopic rod (22) and a leg (21), and one end of the telescopic rod (22) The hinge is arranged on the corner of the base (1), and the leg (21) is arranged on the other end of the telescopic rod (22). The leg (21) is composed of a chassis (24), a cylinder (23) and a screw (25), The body (23) is movably arranged in the telescopic rod (22), the upper end of the cylinder body (23) is provided with a nut (26), the upper end of the screw mandrel (25) is an inner hexagonal column head (29), and the lower end is worn on the cylinder body (23). On the nut (26), the lower end of cylinder body (23) is connected with universal ball joint (27), and universal ball joint (27) is arranged in the ball seat of chassis (24) by gland (28). 7. The double-mast climbing aerial work platform according to claim 1, characterized in that: the base (1) is provided with a central jack device (12) at the position where the connecting frame (11) is located. 8. The double-mast climbing aerial work platform according to claim 1, characterized in that: the platform assembly (5) is provided with a rising upper limit and a lower lower limit protection Hall sensor. 9. The double-mast climbing aerial work platform according to claim 1, characterized in that: the top cover (7) includes two cross-set top plates, and hanging holes (71) are set on the top plates, and The two sides of cover (7) are respectively provided with anti-shock top device, and anti-shock top device is made of connecting plate (73), buffer pad (74) and countersunk bolt (72), and buffer pad (74) is fixed on connecting plate (73 ) lower part, the connecting plate (73) is fixed on the top cover (7) by countersunk bolts (72). 10. The double-mast climbing aerial work platform according to claim 1, characterized in that: the upper and lower parts of the four corners of the mounting frame are respectively provided with rollers (56), and each roller (56) Be respectively two, and two rollers (56) are set at right angles, respectively with the standard section (40) vertical bar outer side rolling joint.

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