CN218345060U

CN218345060U - Tower crane luffing mechanism high altitude overhauls device

Info

Publication number: CN218345060U
Application number: CN202221219442.1U
Authority: CN
Inventors: 乜来彬; 王全逵; 张福明; 杨文超; 马显赫
Original assignee: Fourth Construction Engineering Co Ltd of China Construction Second Engineering Bureau Co Ltc
Current assignee: Fourth Construction Engineering Co Ltd of China Construction Second Engineering Bureau Co Ltc
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2023-01-20
Anticipated expiration: 2032-05-20

Abstract

The utility model belongs to the technical field of the building hoisting machinery technique and specifically relates to a tower crane luffing mechanism high altitude maintenance device, including mounting bracket, elevating gear, link, opening and bear the weight of the mechanism, elevating gear sets up on the mounting bracket, and the link setting is on elevating gear, and the opening is seted up on the link, bears the weight of the mechanism setting in link one end. This tower crane luffing mechanism high altitude overhauls device is through bearing the mechanism, when dismantling the maintenance to the luffing motor in the crane luffing mechanism, bears the mechanism and can bear and support luffing motor, need not to lift the motor through artifical hand at the in-process of dismantling luffing motor and dismantle work to can make things convenient for the bolt to luffing motor to dismantle, and then made things convenient for the luffing motor that will break down to pull down to overhaul or change.

Description

Tower crane luffing mechanism high altitude overhauls device

Technical Field

The utility model relates to a building hoisting machinery technical field especially relates to a tower crane luffing mechanism high altitude overhauls device.

Background

The tower crane is a building hoisting machine widely used in modern construction, and is mainly used for vertical and horizontal conveying of materials and installation of building components in building construction. The tower crane operating mechanism includes: the horizontal transportation of the tower crane is realized by the amplitude variation mechanism and the swing mechanism. The luffing mechanism of the tower crane mainly comprises a motor, a speed reducer, a winding drum, a limiter and the like, and the whole mechanism is arranged at the position of the lower chord of the crane boom close to the tail end of the crane boom.

At present, when the variable amplitude motor among the tower crane luffing mechanism breaks down, at first, the staff can rise to the next door that becomes the variable amplitude motor through the lift, then, the staff need dismantle the bolt that becomes on the variable amplitude motor, and at this in-process, take place to drop in order to prevent to become the variable amplitude motor, the staff need lift the variable amplitude motor with the hand constantly, can bring very big inconvenience for the dismantlement process that becomes the amplitude motor, thereby be not convenient for pull down the variable amplitude motor and overhaul or change, moreover, at the in-process of dismantling the variable amplitude motor, because the staff need touch the variable amplitude motor constantly, so, can produce certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that the luffing motor was not convenient for pull down to overhaul or change that exists among the prior art, and the tower crane luffing mechanism high altitude maintenance device that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the design is a tower crane luffing mechanism high-altitude maintenance device, which comprises a mounting frame, a lifting device, a connecting frame, an opening and a bearing mechanism, wherein the lifting device is arranged on the mounting frame, the connecting frame is arranged on the lifting device, the opening is arranged on the connecting frame, and the bearing mechanism is arranged at one end of the connecting frame.

Preferably, elevating gear includes lead screw, motor, two guide bars and connecting block, the lead screw rotates to be connected among the mounting bracket, motor fixed connection be in the mounting bracket bottom, just the output shaft one end of motor with be fixed connection, two between the lower extreme of lead screw the equal fixed connection of guide bar is in among the mounting bracket, and two the guide bar is located the lead screw both sides, connecting block threaded connection is in on the lead screw, just two are equallyd divide at the connecting block both ends do not run through on the guide bar, link fixed connection is in connecting block one side.

Preferably, it includes diaphragm and tray to bear the mechanism, diaphragm fixed connection be in link one end, the tray is placed the diaphragm upper surface, just the both sides of bottom surface under the tray with equally divide between the both sides of diaphragm upper surface and do not be provided with slide mechanism, the equal fixedly connected with handle in both sides of tray upper end.

Preferably, the sliding mechanism comprises a sliding groove and a supporting block, the sliding groove is formed in one side of the upper surface of the transverse plate, the supporting block is fixedly connected to one side of the lower bottom surface of the tray, and the supporting block is arranged in the sliding groove in a sliding mode.

Preferably, a plurality of electric telescopic handle, a plurality of fixedly connected with on the mounting bracket electric telescopic handle's upper end fixedly connected with backup pad, just the backup pad is located under the opening.

The utility model provides a tower crane luffing mechanism high altitude overhauls device, beneficial effect lies in: according to the overhead maintenance device for the luffing mechanism of the tower crane, through the bearing mechanism, when a luffing motor in the luffing mechanism of the crane is disassembled and maintained, the bearing mechanism can bear and support the luffing motor, and the motor does not need to be manually lifted for disassembly work in the process of disassembling the luffing motor, so that bolts on the luffing motor can be conveniently disassembled, and further the luffing motor with a fault can be conveniently disassembled for maintenance or replacement; in addition, through the setting of opening, staff's health can pass the opening and carry out the operation to it removes the bolt on the variable amplitude motor to have made things convenient for more.

Drawings

Fig. 1 is the utility model provides a tower crane luffing mechanism high altitude maintenance device's spatial structure schematic diagram.

Fig. 2 is a three-dimensional schematic diagram of the high-altitude maintenance device of the luffing mechanism of the tower crane provided by the utility model.

Fig. 3 is a structural cross-sectional view of the tower crane luffing mechanism high-altitude maintenance device provided by the utility model.

In the figure: mounting bracket 1, lead screw 2, motor 3, guide bar 4, connecting block 5, link 6, opening 7, diaphragm 8, tray 9, handle 10, spout 11, supporting shoe 12, electric telescopic handle 13, backup pad 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Referring to fig. 1-3, a tower crane luffing mechanism high altitude overhaul device comprises an installation frame 1, a lifting device, a connecting frame 6, an opening 7 and a bearing mechanism, wherein the lifting device is arranged on the installation frame 1, the connecting frame 6 is arranged on the lifting device, the lifting device can lift and adjust the connecting frame 6, the opening 7 is arranged on the connecting frame 6, the bearing mechanism is arranged at one end of the connecting frame 6, through the bearing mechanism, when the luffing motor in the crane luffing mechanism is disassembled and maintained, the bearing mechanism can bear and support the luffing motor, the motor does not need to be manually lifted for disassembly in the process of disassembling the luffing motor, so that bolts on the luffing motor can be conveniently disassembled, the luffing motor with faults can be conveniently disassembled for overhaul or replacement, in the whole process, workers do not need to touch the luffing motor, thereby avoiding some potential safety hazards and also avoiding the problem that the moving process of the motor is difficult for workers; in addition, through the setting of opening 7, the staff's health can pass opening 7 and carry out the operation to it removes the bolt on the variable amplitude motor to have made things convenient for more.

Bear the mechanism and include diaphragm 8 and tray 9, diaphragm 8 fixed connection is in 6 one end of link, tray 9 is placed at diaphragm 8 upper surface, and it does not be provided with slide mechanism to equally divide between the both sides of bottom surface and the both sides of diaphragm 8 upper surface under the tray 9, setting through tray 9, when dismantling variable amplitude motor, can make variable amplitude motor arrange tray 9 in, thereby can bear and support variable amplitude motor, can make things convenient for the dismantlement process of staff to variable amplitude motor.

Slide mechanism includes spout 11 and supporting shoe 12, spout 11 sets up the one side at diaphragm 8 upper surface, one side of bottom surface under tray 9 is fixed connection to supporting shoe 12, and supporting shoe 12 slides and sets up in spout 11, through the setting of spout 11 and supporting shoe 12, thereby can make tray 9 can carry out the rectilinear movement of certain extent on diaphragm 8, can conveniently adjust the position of tray 9, thereby can make easily change the width of cloth motor arrange in among tray 9.

The equal fixedly connected with handle 10 in both sides of tray 9 upper end through handle 10 to can conveniently take off tray 9, after will become variable amplitude motor and pull down, staff's accessible tray 9 and handle 10 conveniently take off variable amplitude motor.

Example 2

Referring to fig. 1-3, as another preferred embodiment of the present invention, the difference with embodiment 1 lies in, elevating gear includes lead screw 2, motor 3, two guide bars 4 and connecting block 5, lead screw 2 rotates to be connected among mounting bracket 1, motor 3 fixed connection is in mounting bracket 1 bottom, and be fixed connection between the lower extreme of motor 3's output shaft one end and lead screw 2, two equal fixed connection of guide bar 4 are among mounting bracket 1, and two guide bars 4 are located lead screw 2 both sides, 5 threaded connection of connecting block are on

lead screw

2, and 5 both ends of connecting block are equallyd divide and do not run through on two

guide bars

4, 6 fixed connection of connecting block are in 5 one side of connecting block, motor 3 passes through the wire and is connected with external storage battery, and be provided with the switch that is used for controlling motor 3 operation on the wire, motor 3 adopts servo motor.

Example 3

Referring to fig. 1-3, as another preferred embodiment of the present invention, the difference with embodiment 1 lies in, a plurality of electric telescopic handle 13 of fixedly connected with on the mounting bracket 1, a plurality of electric telescopic handle 13's upper end fixedly connected with backup pad 14, and backup pad 14 is located opening 7 under, electric telescopic handle 13 passes through the wire and is connected with external storage battery, and be provided with the switch that is used for controlling electric telescopic handle 13 operation on the wire, through the regulation and control to electric telescopic handle 13, thereby can adjust the high position of backup pad 14, and then can adjust the staff who stands in backup pad 14 to suitable operation position.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a tower crane luffing mechanism high altitude maintenance device, its characterized in that, includes mounting bracket (1), elevating gear, link (6), opening (7) and bears the mechanism, elevating gear sets up on mounting bracket (1), link (6) set up elevating gear is last, opening (7) are seted up on link (6), it is in to bear the mechanism setting link (6) one end.

2. The high-altitude maintenance device for the luffing mechanism of the tower crane according to claim 1, wherein the lifting device comprises a screw rod (2), a motor (3), two guide rods (4) and a connecting block (5), the screw rod (2) is rotatably connected in the mounting frame (1), the motor (3) is fixedly connected to the bottom end of the mounting frame (1), one end of an output shaft of the motor (3) is fixedly connected to the lower end of the screw rod (2), the two guide rods (4) are fixedly connected in the mounting frame (1), the two guide rods (4) are located on two sides of the screw rod (2), the connecting block (5) is in threaded connection with the screw rod (2), two ends of the connecting block (5) respectively penetrate through the two guide rods (4), and the connecting frame (6) is fixedly connected to one side of the connecting block (5).

3. The tower crane luffing mechanism high-altitude overhaul device according to claim 1, wherein the bearing mechanism comprises a transverse plate (8) and a tray (9), the transverse plate (8) is fixedly connected to one end of the connecting frame (6), the tray (9) is placed on the upper surface of the transverse plate (8), sliding mechanisms are respectively arranged between two sides of the lower bottom surface of the tray (9) and two sides of the upper surface of the transverse plate (8), and handles (10) are fixedly connected to two sides of the upper end of the tray (9).

4. The tower crane luffing mechanism high-altitude overhaul device according to claim 3, wherein the sliding mechanism comprises a sliding chute (11) and a supporting block (12), the sliding chute (11) is arranged on one side of the upper surface of the transverse plate (8), the supporting block (12) is fixedly connected to one side of the lower bottom surface of the tray (9), and the supporting block (12) is slidably arranged in the sliding chute (11).

5. The overhead maintenance device for the luffing mechanism of the tower crane according to claim 1, wherein the mounting frame (1) is fixedly connected with a plurality of electric telescopic rods (13), the upper ends of the plurality of electric telescopic rods (13) are fixedly connected with a support plate (14), and the support plate (14) is located under the through opening (7).