CN218931551U - Tower crane slewing bracket - Google Patents

Abstract

The utility model discloses a tower crane slewing bracket, and belongs to the field of tower cranes. A turret swing bracket comprising: the upper supporting seat is arranged above the lower supporting seat and further comprises; the support ring is fixedly arranged on one side of the lower support seat, which is close to the upper support seat; the inner gear ring is rotatably arranged on one side of the support ring far away from the lower support seat; the connecting ring is fixedly arranged on one side of the inner gear ring, which is far away from the supporting ring; the utility model effectively prevents the deformation of the tower crane bracket caused by the partial weight deviation of the tower crane bracket, thereby effectively prolonging the service life of the tower crane bracket.

Description

Tower crane slewing bracket

Technical Field

The utility model relates to the technical field of tower cranes, in particular to a tower crane slewing bracket.

Background

The tower crane is a tower crane, the operation space of the tower crane is large, the tower crane is mainly used for vertical and horizontal conveying of materials in building construction and installation of building components, the big arm of the tower crane needs to be frequently rotated during working, and a tower crane rotating support is arranged between the big arm and the tower body of the tower crane and mainly plays a role in rotating and supporting the big arm of the tower crane.

The existing tower crane slewing brackets are directly connected through slewing bearings and then driven by a driving assembly, and the existing tower crane slewing brackets are complex in structure and high in supporting pressure on the tower crane;

in the prior art, the application number is: CN202020747817.6, filing date: 2020-05-08 discloses a tower crane slewing mechanism with steady control function, including the support frame, support frame top fixedly connected with lower slewing bracket, be provided with the upper slewing bracket directly over the lower slewing bracket, lower slewing bracket top axis department is provided with rotary support, rotary support top runs through the upper slewing bracket and extends to the upper slewing bracket outside, rotary support surface fixedly connected with rotary gear. According to the utility model, the three motors are started simultaneously, so that the three motors rotate clockwise or anticlockwise simultaneously, the motor gear drives the rotary gear to rotate, and then the rotary support can be driven to rotate through the rotation of the rotary gear, so that the aim of controlling the rotary platform to rotate can be achieved, the problem that the traditional rotary mechanism is complex in structure and the excessive pressure of the rotary mechanism on the tower crane is avoided.

In the above-mentioned patent, solved traditional tower car slewing mechanism structure complicacy and to the great problem of tower car supporting pressure effectively, but above-mentioned patent supports upper slewing bracket through rotary support, when the tower car is great at high altitude construction wind-force, probably can cause rotary support to warp, causes the local unbalance of tower car to the life of tower car slewing bracket can probably be influenced.

Disclosure of Invention

The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a tower crane slewing bracket which can overcome the problems or at least partially solve the problems.

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

a turret swing bracket comprising: the upper supporting seat is arranged above the lower supporting seat and further comprises; the support ring is fixedly arranged on one side of the lower support seat, which is close to the upper support seat; the inner gear ring is rotatably arranged on one side of the support ring far away from the lower support seat; the connecting ring is fixedly arranged on one side of the inner gear ring, which is far away from the supporting ring; the upper supporting seat is fixedly arranged on one side, far away from the inner gear ring, of the connecting ring; the two groups of upper supporting blocks are symmetrically and fixedly arranged between the upper supporting seat and the connecting ring; the motor is fixedly arranged on one side, close to the lower supporting seat, of the upper supporting seat, a driving gear is fixedly connected to the output end of the motor, a gear transmission assembly is arranged between the driving gear and the inner gear ring, and the rotating speed of the driving gear is larger than that of the inner gear ring.

In order to facilitate the fixed support of the support ring, preferably, the lower support seat is symmetrically and fixedly connected with a lower support block, and the lower support block is fixedly connected with the support ring.

In order to facilitate the rotation of the inner gear ring on the support ring, preferably, a fixed bearing is arranged between the inner gear ring and the support ring, the fixed bearing is fixedly connected with the support ring, and the inner gear ring is fixedly connected with the rotating end of the fixed bearing.

In order to facilitate driving the internal gear ring to rotate, preferably, the gear transmission assembly comprises a first rotating shaft rotatably arranged on a lower supporting seat, a first gear meshed with the internal gear ring is fixedly connected to the first rotating shaft, a second rotating shaft is rotatably connected to the lower supporting seat, a second gear meshed with the first gear is fixedly connected to the second rotating shaft, and the second gear is meshed with the driving gear.

In order to support the first rotating shaft conveniently, preferably, a fixing table matched with the inner wall of the supporting ring is fixedly connected to the first rotating shaft, and the fixing table is arranged in a circular truncated cone shape.

In order to facilitate the fixation of the connecting ring and the internal gear ring, preferably, a plurality of upper connecting blocks which are circumferentially arranged are fixedly connected on the connecting ring, a plurality of lower connecting blocks which are matched with the upper connecting blocks are fixedly connected on the internal gear ring, and clamping grooves are formed in the internal gear ring and matched with the fixed bearings.

Compared with the prior art, the utility model provides the tower crane slewing bracket which has the following beneficial effects:

1. this tower car slewing bracket, clockwise rotation through the motor output drives drive gear and clockwise rotation, drive gear passes through gear drive group and drives the clockwise rotation of internal gear ring, internal gear ring passes through the go-between and drives the clockwise rotation of supporting seat this moment, when high altitude appears strong wind, support the internal gear ring through the fixed bearing to prevent effectively that tower car support local unbalance weight and the tower car support that causes warp, and then prolonged the life of tower car support effectively, gear drive subassembly sets up inside the supporting ring simultaneously, prevents the rainwater erosion effectively.

2. This tower car slewing bracket drives the anticlockwise rotation of second gear through drive gear, and the second gear drives the clockwise rotation of first gear, and first gear drives the clockwise rotation of internal gear ring, and when last supporting seat receives wind-force influence atress inhomogeneous simultaneously, supports last supporting seat through fixed station and supporting ring to prevent the damage of internal gear ring effectively.

The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, the deformation of the tower crane bracket caused by the partial unbalance of the tower crane bracket is effectively prevented, the service life of the tower crane bracket is further effectively prolonged, and meanwhile, the gear transmission assembly is arranged in the supporting ring, so that the rainwater erosion is effectively prevented.

Drawings

Fig. 1 is a schematic structural view of a tower crane slewing bracket provided by the utility model;

fig. 2 is an exploded view of a tower crane slewing bracket according to the present utility model;

fig. 3 is a schematic cross-sectional structure of a tower crane slewing bracket according to the present utility model.

In the figure: 1. a lower support base; 101. a support ring; 102. a lower support block; 103. fixing a bearing; 104. a first rotating shaft; 105. a fixed table; 106. a first gear; 107. a second rotating shaft; 108. a second gear; 2. an upper support base; 201. an upper support block; 202. a connecting ring; 203. an upper connecting block; 204. a motor; 205. a drive gear; 3. an inner gear ring; 301. a clamping groove; 302. and a lower connecting block.

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.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1: referring to fig. 1, 2 and 3, a turret swing bracket includes: the lower support seat 1 and the upper support seat 2 are arranged above the lower support seat 1, and the upper support seat 2 also comprises; the support ring 101 is fixedly arranged on one side of the lower support seat 1, which is close to the upper support seat 2; the inner gear ring 3 is rotatably arranged on one side of the support ring 101 away from the lower support seat 1; a connecting ring 202 fixedly provided on a side of the internal gear ring 3 away from the support ring 101; the upper supporting seat 2 is fixedly arranged on one side of the connecting ring 202 away from the inner gear ring 3; two groups of upper supporting blocks 201 are symmetrically and fixedly arranged between the upper supporting seat 2 and the connecting ring 202; the motor 204 is fixedly arranged on one side of the upper supporting seat 2, which is close to the lower supporting seat 1, the output end of the motor 204 is fixedly connected with the driving gear 205, a gear transmission assembly is arranged between the driving gear 205 and the inner gear ring 3, and the rotating speed of the driving gear 205 is larger than that of the inner gear ring 3.

The lower supporting seat 1 is symmetrically and fixedly connected with a lower supporting block 102, and the lower supporting block 102 is fixedly connected with a supporting ring 101.

A fixed bearing 103 is arranged between the inner gear ring 3 and the support ring 101, the fixed bearing 103 is fixedly connected with the support ring 101, and the inner gear ring 3 is fixedly connected with the rotating end of the fixed bearing 103.

When installing the tower car slewing bracket, install lower supporting seat 1 on the body of the tower, then install on the upper supporting seat 2 with the big arm, when the tower car needs gyration, open motor 204, motor 204 output clockwise rotation drives drive gear 205 clockwise rotation, drive gear 205 passes through the gear train group and drives inner gear ring 3 clockwise rotation, inner gear ring 3 passes through go up supporting seat 2 clockwise rotation through go-between 202 at this moment, when the high altitude appears strong wind, support inner gear ring 3 through fixed bearing 103, thereby prevent effectively that the tower car support local unbalance weight of tower car support from causing the tower car support warp, and then prolonged the life of tower car support effectively, gear train sets up inside supporting ring 101 simultaneously, prevent the rainwater erosion effectively.

Example 2: referring to fig. 1, 2 and 3, a turret swing bracket is substantially the same as embodiment 1, and further, the gear transmission assembly includes a first rotating shaft 104 rotatably disposed on a lower support base 1, a first gear 106 engaged with an inner gear ring 3 is fixedly connected to the first rotating shaft 104, a second rotating shaft 107 is rotatably connected to the lower support base 1, a second gear 108 engaged with the first gear 106 is fixedly connected to the second rotating shaft 107, and the second gear 108 is engaged with a driving gear 205.

A fixed table 105 matched with the inner wall of the supporting ring 101 is fixedly connected to the first rotating shaft 104, and the fixed table 105 is arranged in a circular table shape.

The connecting ring 202 is fixedly connected with a plurality of upper connecting blocks 203 which are arranged circumferentially, the inner gear ring 3 is fixedly connected with a plurality of lower connecting blocks 302 which are matched with the upper connecting blocks 203, and the inner gear ring 3 is provided with a clamping groove 301, and the clamping groove 301 is matched with the fixed bearing 103.

When the motor 204 drives the driving gear 205 to rotate clockwise, the driving gear 205 drives the second gear 108 to rotate anticlockwise, the second gear 108 drives the first gear 106 to rotate clockwise, the first gear 106 drives the inner gear ring 3 to rotate clockwise, and meanwhile, when the upper support seat 2 is affected by wind force and stressed unevenly, the upper support seat 2 is supported by the fixing table 105 and the support ring 101, so that the damage of the inner gear ring 3 is effectively prevented, and the diameter of the first gear 106 is larger than that of the second gear 108, and the diameter of the second gear 108 is larger than that of the driving gear 205.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. A turret swing bracket comprising: the device comprises a lower supporting seat (1) and an upper supporting seat (2), wherein the upper supporting seat (2) is arranged above the lower supporting seat (1), and is characterized by further comprising;

the support ring (101) is fixedly arranged on one side, close to the upper support seat (2), of the lower support seat (1);

the inner gear ring (3) is rotatably arranged on one side of the supporting ring (101) far away from the lower supporting seat (1);

the connecting ring (202) is fixedly arranged on one side of the inner gear ring (3) away from the supporting ring (101);

the upper supporting seat (2) is fixedly arranged on one side, far away from the inner gear ring (3), of the connecting ring (202);

two groups of upper supporting blocks (201) are symmetrically and fixedly arranged between the upper supporting seat (2) and the connecting ring (202);

the motor (204) is fixedly arranged on one side, close to the lower supporting seat (1), of the upper supporting seat (2), a driving gear (205) is fixedly connected to the output end of the motor (204), a gear transmission assembly is arranged between the driving gear (205) and the inner gear ring (3), and the rotating speed of the driving gear (205) is greater than that of the inner gear ring (3).

2. The tower crane slewing bracket according to claim 1, wherein the lower supporting seat (1) is symmetrically and fixedly connected with a lower supporting block (102), and the lower supporting block (102) is fixedly connected with a supporting ring (101).

3. The tower crane slewing bracket according to claim 1, characterized in that a fixed bearing (103) is arranged between the inner gear ring (3) and the supporting ring (101), the fixed bearing (103) is fixedly connected with the supporting ring (101), and the inner gear ring (3) is fixedly connected with the rotating end of the fixed bearing (103).

4. The turret swing bracket according to claim 1, wherein the gear assembly includes a first shaft (104) rotatably disposed on the lower support base (1), a first gear (106) engaged with the inner gear ring (3) is fixedly connected to the first shaft (104), a second shaft (107) is rotatably connected to the lower support base (1), a second gear (108) engaged with the first gear (106) is fixedly connected to the second shaft (107), and the second gear (108) is engaged with the driving gear (205).

5. The tower crane slewing bracket according to claim 4, wherein a fixing table (105) matched with the inner wall of the supporting ring (101) is fixedly connected to the first rotating shaft (104), and the fixing table (105) is arranged in a shape of a circular table.

6. The tower crane slewing bracket according to claim 1, wherein a plurality of upper connecting blocks (203) which are arranged in a circumference manner are fixedly connected to the connecting ring (202), a plurality of lower connecting blocks (302) which are matched with the upper connecting blocks (203) are fixedly connected to the inner gear ring (3), a clamping groove (301) is formed in the inner gear ring (3), and the clamping groove (301) is matched with the fixed bearing (103).

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