CN219771598U - Rest device of tower crane - Google Patents

Abstract

The utility model discloses a rest device of a tower crane, which belongs to the field of tower cranes and comprises a tower crane standard section, wherein a rest table is fixed in the tower crane standard section, a rest mechanism is arranged on the rest table, the rest mechanism comprises a rest plate and a lifting column, a fixing groove is formed in the rest table, the rest plate is arranged in the fixing groove, the rest plate is fixedly connected with the lifting column, a positioning hole is formed in the bottom of the fixing groove, a rack is embedded in the lifting column, a protective sleeve in the fixing groove is provided with an adjusting device, the adjusting device comprises a handle and a gear, the fixing hole is formed in the protective sleeve, one end of the handle penetrates through the fixing hole, the other end of the handle is fixedly connected with the gear, and the gear is matched with the rack.

Description

Rest device of tower crane

Technical Field

The utility model relates to the field of tower cranes, in particular to a rest device of a tower crane.

Background

The tower crane is the most commonly used hoisting equipment on the building site, also can be called as a tower crane, is used for hoisting construction raw materials such as steel bars, wood ridges, scaffold tubes and the like for construction, and is an indispensable equipment for building construction.

At present, chinese patent application number 202222088378.4 on the market discloses a safe cat ladder of tower crane, including tower crane main part and artifical cat ladder, the top welded fastening of tower crane main part is provided with the braced roof-rack, and fixed mounting has the platform of standing on the braced roof-rack, is provided with the cat ladder upper and lower mouth on the platform of standing, and fixed mounting has artifical cat ladder between the platform of standing of cat ladder upper and lower mouth and below, inlays on the cat ladder crossbeam upper plane of artifical cat ladder and establishes and install the slipmat.

In the above patent, though the staff gets a rest through being equipped with the platform of standing, the platform of standing can only be used for the workman standing, and two legs and feet of workman are atress at any, can't obtain effectual rest, and the long-time climbing of continuing can lead to both legs to soft and thereby appear the incident.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a rest seat frame which is convenient for workers to sit down on a climbing tower.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a rest device of tower crane, including tower machine standard festival, tower machine standard festival internal fixation has the rest platform, be equipped with rest mechanism on the rest platform, rest mechanism includes the rest board and rise the post that contracts, it has the fixed slot to open on the rest platform, the rest board is arranged in the fixed slot, rest board and rise post fixed connection that contracts, open the bottom of fixed slot has the locating hole, it includes the sleeve pipe to rise the post that contracts, first spring and cylinder, the sleeve pipe is fixed in the rest bench, sleeve pipe and locating hole intercommunication, the one end of cylinder stretches into intraductal, the other end and the rest board fixed connection of cylinder, first spring is arranged in between sleeve pipe and the cylinder, it has the rack to inlay on the cylinder, be equipped with the protective sheath in the fixed slot, be equipped with adjusting device in the protective sheath, adjusting device includes first handle and gear, it has the fixed orifices to open on the protective sheath, the one end of first handle passes the fixed hole, the other end and the gear fixed connection of first handle, gear and rack cooperation.

The utility model is further provided with a plurality of first limiting holes which are ring-shaped, the gear is provided with a second limiting hole which corresponds to the first limiting holes, the protective sleeve is provided with positioning pins, and the positioning pins sequentially penetrate through the first limiting holes and the second limiting holes.

The utility model is further provided that two corresponding grooves are arranged on the inner wall of the sleeve, two corresponding storage holes are arranged on the column body, the storage holes correspond to the grooves, a second spring and a fixing pin are arranged in the storage holes, one end of the second spring is fixedly connected with the inner wall of the storage hole, and the other end of the second spring is fixedly connected with the fixing pin.

The utility model is further provided with two corresponding fixing plates on the rest table, two corresponding limit grooves are formed on the rest plate, the fixing plates are in an inverted L shape, one end of each fixing plate is hinged with the rest table, and the other end of each fixing plate is clamped with each limit groove.

The utility model is further provided that the rest board is provided with a placing groove, and the inner wall of the placing groove is hinged with a second handle.

By adopting the technical scheme, the utility model has the beneficial effects that:

thereby drive the gear rotation through the handle and upwards or move down with the rack to change the height of rest board, thereby insert the height of first spacing hole and the spacing hole of second fixed rest board with the locating pin at last, the workman sits and has had a rest on the rest board of adjusting so that two legs and feet of workman also obtain the rest, have improved the security of climbing.

The force of the worker sitting down to rest is buffered by the first spring after pulling out the rest plate to reduce the grinding of the sleeve by the cylinder.

Thereby make the fixed plate support the rest board through with fixed plate joint spacing groove and let the rest board break away from the rest bench, only need take out the spacing effect of rest board with the fixed plate from spacing inslot when needing to use the rest board and eliminate.

Drawings

Figure 1 is a schematic structural view of a rest device of a tower crane,

figure 2 is a closing state diagram of the rest mechanism,

figure 3 is an open state diagram of the rest mechanism,

figure 4 is a diagram of the operational state of the rest mechanism,

description of the drawings: the device comprises a 1-tower crane standard knot, a 2-rest mechanism, a 3-rest table, a 4-rest plate, a 5-telescopic column, a 51-sleeve, a 52-column, a 53-first spring, a 6-fixed slot, a 7-positioning hole, an 8-rack, a 9-protective sleeve, a 10-first handle, a 11-gear, a 12-adjusting device, a 13-fixed plate, a 14-placing slot, a 15-second handle, a 16-first limiting hole, a 17-second limiting hole, a 18-positioning pin, a 19-fixed pin, a 20-second spring, a 21-placing hole, a 22-groove and a 23-limiting slot.

Detailed Description

Embodiments of the present utility model will be further described with reference to fig. 1 to 4.

The utility model provides a rest device of tower crane, as shown in fig. 1, including tower machine standard festival 1, tower machine standard festival 1 internal fixation has rest platform 3, is equipped with rest mechanism 2 on the rest platform 3, and rest mechanism 2 includes rest board 4 and lift post 5, climbs to rest platform 3 through the workman, thereby sits on rest board 4 and has had also had a rest for workman's step and shank.

As shown in fig. 2 to 4, a fixed slot 6 is arranged on the rest table 3, the rest plate 4 is arranged in the fixed slot 6, the rest plate 4 is fixedly connected with a lifting column 5, a positioning hole 7 is arranged at the bottom of the fixed slot 6, the lifting column 5 comprises a sleeve 51, a first spring 53 and a column 52, the sleeve 51 is fixed on the rest table 3, the sleeve 51 is communicated with the positioning hole 7, one end of the column 52 stretches into the sleeve 51, the other end of the column 52 is fixedly connected with the rest plate 4, the first spring 53 is arranged between the sleeve 51 and the column 52, a rack 8 is embedded on the column 52, a protective sleeve 9 is arranged in the fixed slot 6, an adjusting device 12 is arranged in the protective sleeve 9, the adjusting device 12 comprises a first handle 10 and a gear 11, a fixing hole is arranged on the protective sleeve 9, one end of the first handle 10 penetrates through the fixing hole, the other end of the first handle 10 is fixedly connected with the gear 11, the gear 11 is matched with the rack 8, a placing groove 14 is arranged on the rest board 4, a second handle 15 is hinged on the inner wall of the placing groove 14, the rest board 4 is lifted up by upward pulling through the second handle 15, the gear 11 is driven to rotate by the rotation of the first handle 10, the rack 8 is driven to be meshed with the gear 11 to move upwards, the column 52 is moved upwards, and the height of the rest board 4 is changed,

the protection sleeve 9 is provided with a plurality of first limiting holes 16, the first limiting holes 16 are annular, the gear 11 is provided with a second limiting hole 17, the second limiting hole 17 corresponds to the first limiting hole 16, the protection sleeve 9 is provided with a positioning pin 18, the positioning pin 18 sequentially penetrates through the first limiting holes 16 and the second limiting holes 17, the gear 11 is clamped by the positioning pin 18 through the first limiting holes 16 and the second limiting holes 17, the gear 11 stops rotating, and when a worker loosens the first handle 10, the gear 11 slides downwards to cause the rest plate 4 to also slide downwards along with the sliding downwards to generate potential safety hazards.

The rest table 3 is provided with two corresponding fixing plates 13, the rest plate 4 is provided with two corresponding limiting grooves 23, the fixing plates 13 are in an inverted L shape, one end of each fixing plate 13 is hinged with the rest table 3, the other end of each fixing plate 13 is clamped with each limiting groove 23, the rest plate 4 is clamped by the fixing plates 13, the first springs 53 are prevented from being extruded and rebounded when the column 52 is extruded downwards, and the fixing plates 13 play a role in fixing the rest plate 4 from being ejected from the rest table 3.

Two corresponding grooves 22 are formed in the inner wall of the sleeve 51, two corresponding storage holes 21 are formed in the column 52, the storage holes 21 correspond to the grooves 22, a second spring 20 and a fixing pin 19 are arranged in the storage holes 21, one end of the second spring 20 is fixedly connected with the inner wall of the storage holes 21, the other end of the second spring 20 is fixedly connected with the fixing pin 19, the fixing pin 19 is propped against the fixing pin 19 through the second spring 20 so that the fixing pin 19 is clamped with the grooves 22, and the first spring 53 is prevented from removing the fixing plate 13 from the rest plate 4, so that extrusion rebound is reduced, and abrasion is caused by collision between the rack 8 and the gear 11.

When the rest mechanism 2 is closed, the column 52 is arranged at the bottom in the sleeve 51, the column 52 presses the first spring 53, the fixed pin 19 is pressed by the inner wall of the sleeve 51, the second spring 20 is pressed while the fixed pin 19 is pressed by the inner wall of the sleeve 51, the fixed plate 13 is clamped with the limiting groove 23 to fix the rest plate 4 on the rest table 3,

when the rest mechanism 2 is opened, the fixed plate 13 is separated from the limiting groove 23, the extrusion force of the first spring 53 is reduced so as to rebound upwards, the positioning pin 18 moves upwards along with the rebound of the first spring 53 until the positioning pin 18 is clamped with the groove 22, the extrusion force of the second spring 20 reduces to support the positioning pin 18 in the groove 22, the rack 8 is prevented from colliding with the gear 11 to cause damage to the gear 11 or the rack 8 due to the rebound of the first spring 53,

when the rest mechanism 2 operates, the second handle 15 is pulled upwards, the positioning pin 18 moves upwards to be separated from the groove 22, the first handle 10 is rotated, the first handle 10 drives the gear 11 to rotate, and the gear 11 drives the rack 8 to be meshed with and move upwards, so that the column 52 moves upwards to change the height of the rest plate 4.

The above description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model, but one skilled in the art can make common changes and substitutions within the scope of the technical solution of the present utility model.

Claims (5)

1. The utility model provides a rest device of tower crane, includes tower crane standard festival (1), its characterized in that, tower crane standard festival (1) internal fixation has rest platform (3), be equipped with rest mechanism (2) on rest platform (3), rest mechanism (2) are including rest board (4) and lift post (5), it has fixed slot (6) to open on rest platform (3), rest board (4) are arranged in fixed slot (6), rest board (4) and lift post (5) fixed connection, locating hole (7) are opened to the bottom of fixed slot (6), lift post (5) are including sleeve pipe (51), first spring (53) and cylinder (52), sleeve pipe (51) are fixed in on rest platform (3), sleeve pipe (51) and locating hole (7) intercommunication, the one end of cylinder (52) stretches into in sleeve pipe (51), the other end and the rest board (4) fixed connection of cylinder (52), first spring (53) are arranged in sleeve pipe (51) and are equipped with between cylinder (6) and lift post (5), be equipped with in-protection sleeve (9) and be equipped with in-box (9), the adjusting device (12) comprises a first handle (10) and a gear (11), a fixing hole is formed in the protective sleeve (9), one end of the first handle (10) penetrates through the fixing hole, the other end of the first handle (10) is fixedly connected with the gear (11), and the gear (11) is matched with the rack (8).

2. The rest device of the tower crane according to claim 1, wherein the protective sleeve (9) is provided with a plurality of first limiting holes (16), the plurality of first limiting holes (16) are annular, the gear (11) is provided with a second limiting hole (17), the second limiting hole (17) corresponds to the first limiting hole (16), the protective sleeve (9) is provided with a positioning pin (18), and the positioning pin (18) sequentially penetrates through the first limiting holes (16) and the second limiting holes (17).

3. The rest device of the tower crane according to claim 1, wherein two corresponding grooves (22) are formed in the inner wall of the sleeve (51), two corresponding storage holes (21) are formed in the column (52), the storage holes (21) correspond to the grooves (22), a second spring (20) and a fixing pin (19) are arranged in the storage holes (21), one end of the second spring (20) is fixedly connected with the inner wall of the storage holes (21), and the other end of the second spring (20) is fixedly connected with the fixing pin (19).

4. The rest device of the tower crane according to claim 1, wherein two corresponding fixing plates (13) are arranged on the rest table (3), two corresponding limit grooves (23) are formed in the rest plate (4), the fixing plates (13) are in an inverted L shape, one ends of the fixing plates (13) are hinged with the rest table (3), and the other ends of the fixing plates (13) are clamped with the limit grooves (23).

5. The rest device of the tower crane according to claim 1, wherein the rest plate (4) is provided with a placing groove (14), and the inner wall of the placing groove (14) is hinged with a second handle (15).