CN220723392U - Up-down lifting assembly of tower crane - Google Patents

Abstract

The utility model discloses an up-down lifting assembly of a tower crane, which comprises a tower crane frame body, wherein a crane arm assembly is arranged at the top of the tower crane frame body, a traction driving mechanism is arranged at one end of the crane arm assembly, a guide wheel is arranged on the crane arm assembly, a lifting rope is pulled on the guide wheel, a traction seat is arranged at the end part of the crane arm assembly, and a traction wheel is arranged at the end part of the traction seat; according to the utility model, the elastic sponge block is extruded by the ejector rod through the shaking of the lifting rope, so that lubricating oil in the elastic sponge block falls to the lifting rope through the dropper to lubricate, friction force between the lifting rope and the traction wheel is reduced, meanwhile, limit on the lifting rope is formed between the first semicircular arc supporting block and the second semicircular arc supporting block, shaking amplitude of the lifting rope is reduced, sundries on the lifting rope are cleaned through cooperation of the first hairbrush and the second hairbrush, and therefore, service life of the tower crane is prolonged, and potential safety hazards are reduced.

Description

Up-down lifting assembly of tower crane

Technical Field

The utility model relates to the technical field of tower cranes, in particular to an up-down lifting assembly of a tower crane.

Background

The tower crane is characterized in that a rotary assembly is arranged at the upper part of a towering tower body, a crane arm assembly is arranged on a rotary support corresponding to the rotary assembly, and the crane arm assembly is driven to rotate when the rotary support rotates relative to different tower bodies, and the crane arm assembly is used for completing overhead lifting operation. The tower crane has large operation space and is mainly used for vertical and horizontal conveying of materials and installation of building components in building construction. The device consists of a metal structure, a working mechanism and an electrical system. The metal structure comprises a tower body, a movable arm, a base, an attaching rod and the like. The working mechanism comprises four parts of lifting, amplitude changing, rotation and walking. The electric system comprises a motor, a controller, a power distribution frame, a connecting line, a signal and lighting device and the like.

The lifting rope of the lifting mechanism for the existing tower crane is large in shaking amplitude, and meanwhile, impurities possibly adhere to the lifting rope due to the fact that the shaking amplitude is too large, so that friction force between the lifting rope and the traction wheel is too large, the service life of the tower crane is shortened, and potential safety hazards are increased.

Disclosure of Invention

The utility model aims to provide an up-down lifting assembly of a tower crane, which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a tower crane's oscilaltion subassembly, includes tower crane frame body, the top of tower crane frame body is provided with the jib loading boom assembly, and the one end of jib loading boom assembly is provided with the tractive actuating mechanism, is provided with the leading wheel on the jib loading boom assembly, pulls on the leading wheel has the lifting rope, and the tip of jib loading boom assembly is provided with the tractive seat, and the tip of tractive seat is provided with the traction wheel, and the one end of lifting rope passes the traction wheel and is provided with the lifting hook, has seted up spacing annular on the traction wheel, is provided with the lubrication assembly of being convenient for vibrate extrusion on the traction wheel, is provided with the cleaning assembly of being convenient for install on the tractive seat.

Preferably, the lubrication assembly comprises a liquid storage tank, the liquid storage tank is positioned in the traction wheel, an elastic sponge block is arranged in the liquid storage tank, and lubricating oil is adsorbed in the elastic sponge block.

Preferably, the liquid storage tank is connected with a push rod in a sliding manner, the push rod is of a T-shaped rod structure, the outer side of the end part of the push rod is of a rubber layer structure, and one end of the push rod is attached to the elastic sponge block.

Preferably, the bottom of reservoir slope is provided with the burette, and the direction of burette is towards one side of lift rope, and the top slope of reservoir is provided with into the liquid pipe.

Preferably, the cleaning assembly comprises a traction plate, a first semicircular arc supporting block is arranged at the top of the traction plate, a first brush is arranged on the inner side of the first semicircular arc supporting block, and a second semicircular arc supporting block is arranged at the top of the first semicircular arc supporting block.

Preferably, both sides of the second semicircular arc supporting block are provided with fixing screws, the bottoms of the fixing screws penetrate through the second semicircular arc supporting block and are in threaded connection with the first semicircular arc supporting block, and the inner side of the second semicircular arc supporting block is provided with a second hairbrush.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the elastic sponge block is extruded by the ejector rod through the shaking of the lifting rope, so that lubricating oil in the elastic sponge block falls to the lifting rope through the dropper to lubricate, friction force between the lifting rope and the traction wheel is reduced, meanwhile, limit on the lifting rope is formed between the first semicircular arc supporting block and the second semicircular arc supporting block, shaking amplitude of the lifting rope is reduced, sundries on the lifting rope are cleaned through cooperation of the first hairbrush and the second hairbrush, and therefore, service life of the tower crane is prolonged, and potential safety hazards are reduced.

Drawings

Fig. 1 is a schematic structural view of an up-down lifting assembly of a tower crane according to the present utility model.

Fig. 2 is a schematic structural view of a lubrication assembly according to the present utility model.

Fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

In the figure: a tower crane frame body 1; a boom assembly 2; a traction drive mechanism 3; a lifting rope 4; a guide wheel 5; a pulling seat 6; a pulling plate 61; a first semicircular arc support block 62; a first brush 63; a second semi-circular arc support block 64; a second brush 65; a fixing screw 66; a traction wheel 7; a limit ring groove 71; a lifting hook 8; a liquid storage tank 9; an elastic sponge block 91; a jack 92; a dropper 93; a liquid inlet pipe 94.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides a tower crane's oscilaltion subassembly, including tower crane frame body 1, crane arm assembly 2 is installed at tower crane frame body 1's top, traction actuating mechanism 3 is installed to crane arm assembly 2's one end, install leading wheel 5 on the crane arm assembly 2, it has lifting rope 4 to pull on the leading wheel 5, the tip fixedly connected with of crane arm assembly 2 pulls seat 6, traction wheel 7 is installed to the tip of pulling seat 6, lifting rope 4's one end has passed traction wheel 7 and has cup jointed lifting hook 8, traction actuating mechanism 3 is not repeated for the common device in the prior art in the field, traction actuating mechanism 3's start is with lifting rope 4 drive slip, realize lifting of lifting hook 8.

The traction wheel 7 is provided with a limiting ring groove 71, the limiting ring groove 71 is provided with limiting grooves which are beneficial to the sliding left and right of the lifting rope 4, the turning edges of the limiting ring groove 71 are of circular arc structures, the traction wheel 7 is provided with a lubricating component which is convenient for vibrating and extruding, the lubricating component comprises a liquid storage groove 9, the liquid storage groove 9 is located inside the traction wheel 7, an elastic sponge block 91 is embedded in the liquid storage groove 9, lubricating oil is adsorbed in the elastic sponge block 91, a push rod 92 is inserted on the liquid storage groove 9 in a sliding manner, the push rod 92 is of a T-shaped rod structure, the outer side of the end part of the push rod 92 is of a rubber layer structure, one end of the push rod 92 is attached to the elastic sponge block 91, a dropper 93 is obliquely and fixedly connected to the bottom of the liquid storage groove 9, and the direction of the dropper 93 faces one side of the lifting rope 4.

The top of the liquid storage tank 9 is fixedly connected with a liquid inlet pipe 94 in an inclined and inserted mode, a sealing plug can be inserted at the opening of the liquid inlet pipe 94, lubricating oil is conveniently added into the liquid storage tank 9 through the arrangement of the liquid inlet pipe 94, the elastic sponge block 91 is extruded by the triggering ejector rod 92 through the shaking of the lifting rope 4, the lubricating oil in the elastic sponge block is enabled to fall to the lifting rope 4 through the dropper 93 to be lubricated, and friction between the lifting rope 4 and the traction wheel 7 is reduced.

The traction seat 6 is provided with a cleaning component convenient to install, the cleaning component comprises a traction plate 61, the top of the traction plate 61 is fixedly connected with a first semicircular arc supporting block 62, the inner side of the first semicircular arc supporting block 62 is adhered with a first hairbrush 63, the top of the first semicircular arc supporting block 62 is adhered with a second semicircular arc supporting block 64, a limit for the lifting rope 4 is formed between the first semicircular arc supporting block 62 and the second semicircular arc supporting block 64, and the shaking amplitude of the lifting rope 4 is reduced.

The two sides of the second semicircular arc supporting block 64 are respectively inserted with a fixing screw 66, the bottom of the fixing screw 66 penetrates through the second semicircular arc supporting block 64 and is in threaded connection with the first semicircular arc supporting block 62, the fixing screw 66 is favorable for forming a detachable structure between the first semicircular arc supporting block 62 and the second semicircular arc supporting block 64, and the inner side of the second semicircular arc supporting block 64 is adhered with the second hairbrush 65.

During actual use, the lifting rope 4 is driven to slide by the start of the traction driving mechanism 3 to realize lifting of the lifting hook 8, in the process, the lifting rope 4 shakes, the ejector rod 92 is triggered to squeeze the elastic sponge block 91, so that lubricating oil in the elastic sponge block falls to the lifting rope 4 to lubricate through the dropper 93, friction force between the lifting rope 4 and the traction wheel 7 is reduced, limit to the lifting rope 4 is formed between the first semicircular arc supporting block 62 and the second semicircular arc supporting block 64, shaking amplitude of the lifting rope 4 is reduced, the first hairbrush 63 and the second hairbrush 65 are matched with the lifting rope 4 to realize relative movement between the lifting rope and the lifting rope 4, and therefore the service life of the tower crane is prolonged, and potential safety hazards are reduced.

Claims (6)

1. The utility model provides a tower crane's oscilaltion subassembly, includes tower crane frame body (1), its characterized in that: the top of tower crane frame body (1) is provided with cargo boom assembly (2), the one end of cargo boom assembly (2) is provided with tractive actuating mechanism (3), be provided with leading wheel (5) on cargo boom assembly (2), it has lifting rope (4) to pull on leading wheel (5), the tip of cargo boom assembly (2) is provided with tractive seat (6), the tip of tractive seat (6) is provided with traction wheel (7), traction wheel (7) are passed to the one end of lifting rope (4) is provided with lifting hook (8), spacing annular (71) have been seted up on traction wheel (7), be provided with the lubrication module of being convenient for vibration extrusion on traction wheel (7), be provided with the cleaning module of being convenient for install on tractive seat (6).

2. The up-down lifting assembly of a tower crane according to claim 1, wherein: the lubrication assembly comprises a liquid storage tank (9), wherein the liquid storage tank (9) is positioned in the traction wheel (7), an elastic sponge block (91) is arranged in the liquid storage tank (9), and lubricating oil is adsorbed in the elastic sponge block (91).

3. The up-down lifting assembly of a tower crane according to claim 2, wherein: the liquid storage tank (9) is connected with a push rod (92) in a sliding mode, the push rod (92) is of a T-shaped rod structure, the outer side of the end portion of the push rod is of a rubber layer structure, and one end of the push rod (92) is attached to the elastic sponge block (91).

4. The up-down lifting assembly of a tower crane according to claim 2, wherein: the bottom slope of reservoir (9) is provided with burette (93), and the direction of burette (93) is towards one side of lift rope (4), and the top slope of reservoir (9) is provided with into liquid pipe (94).

5. The up-down lifting assembly of a tower crane according to claim 1, wherein: the cleaning assembly comprises a traction plate (61), a first semicircular arc supporting block (62) is arranged at the top of the traction plate (61), a first hairbrush (63) is arranged on the inner side of the first semicircular arc supporting block (62), and a second semicircular arc supporting block (64) is arranged at the top of the first semicircular arc supporting block (62).

6. The up-down lifting assembly of a tower crane according to claim 5, wherein: both sides of second semicircle supporting shoe (64) all are provided with fixing screw (66), and the bottom of fixing screw (66) runs through second semicircle supporting shoe (64) spiro union on first semicircle supporting shoe (62), and the inboard of second semicircle supporting shoe (64) is provided with second brush (65).