Multi-angle sunshade curtain device of tower crane

Abstract

The utility model discloses a multi-angle sunshade curtain device of a tower crane. The multi-angle sunshade curtain device comprises a cantilever bracket, a sunshade assembly and a mounting seat assembly, and the mounting seat assembly is fixed on a ceiling of a corresponding tower crane cab. The sunshade assembly is installed on the installation base assembly through a cantilever support. The mounting base assembly comprises a mounting base and a ball joint structure, and the ball joint structure is arranged at the bottom of the mounting base. The cantilever support is fixed to the outer end of the ball joint structure. The cantilever support comprises a fixed base, a supporting arm assembly and a cantilever assembly which are sequentially connected in a hinged mode. The supporting arm assembly and the cantilever assembly are each of a parallelogram structure, and each hinge end is provided with a damping structure. The sunshade assembly is installed at the outer end of the cantilever assembly. According to the utility model, the sunshade assembly is mounted on the mounting seat assembly through the cantilever bracket, and under the matching of the cantilever bracket and the mounting seat assembly, the sunshade assembly can be rotationally adjusted by 360 degrees around the center in the tower crane cab and can be adjusted in the height direction, so that the shielding of sunlight in any direction is realized.

Description

Technical Field

[0001] The utility model belongs to the technical field of tower crane equipment, and particularly relates to a multi-angle sunshade device for a tower crane. Background Art

[0002] Tower crane is the most commonly used lifting equipment on construction sites, also known as "tower crane". It is connected in length (height) section by section (referred to as "standard section") and is used to lift construction materials such as steel bars, wooden slats, concrete, steel pipes, etc.

[0003] Tower cranes are an indispensable equipment on construction sites. The overall control device of the tower crane is generally concentrated in the control room. When in use, the operator is always in the operation room. In order to facilitate the use of the operator, the front part of the operation room is made of glass to expand the staff's field of vision. However, there is no corresponding shading device above the existing operation room. In hot weather, the intensity of sunlight is relatively high, and long-term exposure can easily affect the workers' vision. At the same time, under the scorching sun, the air conditioning effect in the operation room is poor, and long-term work can easily cause discomfort.

[0004] In the prior art, some tower cranes install sunshades on the exterior facade of the operator room. These devices are electrically controlled to block sunlight directly in front of the operator room. However, because the sun shines at different angles and directions throughout the day, these sunshades are unable to adapt to the different working orientations of the operator room. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art, the utility model provides a multi-angle sunshade device for a tower crane to solve the technical problem that the tower crane cannot adapt to the shielding of sunlight at different angles.

[0006] In order to achieve the above purpose, the specific technical solutions of the present utility model are as follows:

[0007] A multi-angle sunshade device for a tower crane includes a cantilever bracket, a sunshade assembly, and a mounting base assembly. The mounting base assembly is fixed to the ceiling of a corresponding tower crane cab. The sunshade assembly is mounted on the mounting base assembly via the cantilever bracket.

[0008] The mounting seat assembly includes a mounting base and a ball joint structure, wherein the ball joint structure is arranged at the bottom of the mounting base. The cantilever bracket is fixed to the outer end of the ball joint structure.

[0009] The cantilever bracket includes a fixed base, a support arm assembly, and a cantilever assembly that are hingedly connected in sequence. The support arm assembly and the cantilever assembly are both parallelogram structures, and a damping structure is provided on each hinged end. The sunshade assembly is mounted on the outer end of the cantilever assembly.

[0010] Furthermore, the sunshade assembly includes a sunshade body, a sunshade bracket, and a connecting assembly. The sunshade bracket is connected to the outer end of the cantilever assembly via the connecting assembly. The sunshade body is slidably connected to the sunshade bracket, and a rubber is provided on the sliding surface.

[0011] Furthermore, the connecting assembly includes a connecting member and a ball joint. The inner end of the connecting member is hingedly mounted on the outer end of the cantilever assembly. The straight rod section of the ball joint is hingedly mounted on the outer end of the connecting member, with the rotation axis perpendicular to the rotation axis between the connecting member and the mounting base. The inner end of the sunshade bracket is connected to the spherical section of the ball joint.

[0012] Furthermore, the sun visor body includes a mounting frame and a sunshade curtain arranged on the inner circle of the mounting frame. The sunshade curtain is a hole-type semi-light-shielding sunshade curtain.

[0013] Furthermore, the support arm assembly includes a first support rod, a second support rod and a connecting base. The inner ends of the first support rod and the second support rod are hinged to the fixed base, and the outer ends are hinged to the connecting base.

[0014] Furthermore, the cantilever assembly includes a first cantilever rod, a second cantilever rod, and a mounting base. The inner ends of the first cantilever rod and the second cantilever rod are hinged to the connection base, and the outer ends are hinged to the mounting base. The inner end of the connecting member is hingedly mounted on the mounting base.

[0015] Furthermore, the plurality of damping structures are respectively arranged at the hinges between the first support rod and the second support rod and the fixed base and the connecting base, and at the hinges between the first cantilever rod and the second cantilever rod and the connecting base and the mounting base. The damping structure adopts a washer.

[0016] Furthermore, the second support rod and the second cantilever rod are both provided with tension springs, and the inner ends of the two tension springs are fixed to the fixed base and the connecting base respectively.

[0017] Compared with the prior art, the utility model has the following advantages:

[0018] 1. The sunshade assembly in the utility model is installed on the mounting base assembly through a cantilever bracket. With the cooperation of the cantilever bracket and the mounting base assembly, it can be rotated 360° around the center in the tower crane cab and adjusted in the height direction to block sunlight in any direction.

[0019] 2. The present invention divides the main body of the sun visor into a mounting frame and a sunshade curtain arranged within the mounting frame. The sunshade curtain is a perforated semi-shading sunshade, which allows the operator to block sunlight while avoiding visual obstruction during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the relative positions of the cantilever bracket and the sunshade assembly in the utility model.

[0022] Figure markings: 1. Cantilever bracket; 1-1. Support arm assembly; 1-1-1. First support rod; 1-1-2. Second support rod; 1-1-3. Connecting base; 1-2. Cantilever assembly; 1-2-1. First cantilever rod; 1-2-2. Second cantilever rod; 1-2-3. Mounting base; 2. Sunshade assembly; 2-1. Sun visor body; 2-2. Sunshade bracket; 2-3. Connecting assembly; 3. Mounting base assembly; 3-1. Mounting base; 3-2. Ball joint structure; 4. Fixed base; 5. Tension spring. DETAILED DESCRIPTION

[0023] In the description of the present invention, it should be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "center", "end", "length", "outer end", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0024] The present invention will be further described below with reference to the accompanying drawings.

[0025] like Figure 1 and 2 As shown, a multi-angle sunshade device for a tower crane includes a cantilever bracket 1, a sunshade assembly 2, and a mounting base assembly 3. The mounting base assembly 3 is fixed to the ceiling of the corresponding tower crane cab. The sunshade assembly 2 is mounted on the mounting base assembly 3 via the cantilever bracket 1. In conjunction with the cantilever bracket 1 and the mounting base assembly 3, the sunshade assembly 2 can be rotated 360° around the center within the tower crane cab, as well as adjusted in height, to block sunlight from any direction.

[0026] like Figure 1As shown, the mounting base assembly 3 includes a mounting base 3-1 and a ball joint structure 3-2. The mounting base 3-1 is fixed to the ceiling of the tower crane cab via bolts. The ball joint structure 3-2 is disposed at the bottom of the mounting base 3-1, and a rubber layer is provided between the spherical end of the ball joint structure 3-2 and the mounting base 3-1. The provision of the rubber layer increases the frictional damping between the spherical end of the ball joint structure 3-2 and the mounting base 3-1, ensuring that the sunshade assembly 2 and the cantilever bracket 1 can be smoothly locked after rotational adjustment.

[0027] like Figure 2 As shown, the cantilever support 1 includes a fixed base 4, a support arm assembly 1-1, and a cantilever assembly 1-2. The fixed base 4 is fixedly mounted on the ball joint structure 3-2. The support arm assembly 1-1 and the fixed base 4, as well as the cantilever assembly 1-2 and the support arm assembly 1-1, are both hinged.

[0028] The specific structure is as follows: the support arm assembly 1-1 includes a first support rod 1-1-1, a second support rod 1-1-2, and a connecting base 1-1-3. The inner ends of the first support rod 1-1-1 and the second support rod 1-1-2 are hinged to the fixed base 4, and the outer ends are hinged to the connecting base 1-1-3, forming a parallelogram structure that can be deformed and adjusted.

[0029] The cantilever assembly 1-2 includes a first cantilever rod 1-2-1, a second cantilever rod 1-2-2, and a mounting base 1-2-3. The inner ends of the first cantilever rod 1-2-1 and the second cantilever rod 1-2-2 are hinged to the connecting base 1-1-3, and the outer ends are hinged to the mounting base 1-2-3, forming a parallelogram structure that can be deformed and adjusted.

[0030] In this embodiment, washers are provided at the hinged joints between the first and second support rods 1-1-1, 1-1-2, the fixed base 4, and the connecting base 1-1-3, as well as at the hinged joints between the first and second cantilever rods 1-2-1, 1-2-2, the connecting base 1-1-3, and the mounting base 1-2-3. The provision of washers increases frictional damping between the first and second support rods 1-1-1, 1-1-2, the first and second cantilever rods 1-2-1, 1-2-2, the fixed base 4, the connecting base 1-1-3, and the mounting base 1-2-3, thereby ensuring automatic locking after deformation adjustment.

[0031] Furthermore, the second support rod 1-1-2 and the second cantilever rod 1-2-2 are both provided with tension springs 5. The inner ends of the two tension springs 5 ​​are fixed to the fixed base 4 and the connecting base 1-1-3 respectively, which can provide tension to the second support rod 1-1-2 and the second cantilever rod 1-2-2, further preventing the entire bracket from collapsing due to the excessive weight of the sunshade assembly 2.

[0032] like Figure 2 As shown, the sunshade assembly 2 includes a sun visor body 2-1, a sunshade bracket 2-2, and a connecting assembly 2-3. The sunshade bracket 2-2 is connected to the mounting base 1-2-3 via the connecting assembly 2-3. The sun visor body 2-1 is slidably connected to the sunshade bracket 2-2, and a rubber sliding surface is provided to increase friction, allowing the sun visor body 2-1 to lock after sliding to any position. The operator can control the area of ​​sunlight blocked by the sun visor body 2-1 according to their needs.

[0033] In this embodiment, the connecting assembly 2-3 includes a connecting member and a ball joint. The inner end of the connecting member is hingedly mounted on the mounting base 1-2-3. The straight rod section of the ball joint is hingedly mounted on the outer end of the connecting member, with the axis of rotation perpendicular to the axis of rotation between the connecting member and the mounting base 1-2-3, thereby increasing the degree of freedom of rotation of the sunshade bracket 2-2. The inner end of the sunshade bracket 2-2 is connected to the spherical section of the ball joint, allowing the sunshade bracket 2-2 to be adjusted to any angle.

[0034] Furthermore, washers are provided between the connector and the mounting base 1-2-3, and between the straight rod section of the ball joint and the connector. The outer ring of the spherical section of the ball joint is provided with rubber to increase friction damping during adjustment and ensure that it can be locked after adjustment.

[0035] In this embodiment, the sun visor body 2-1 includes a mounting frame and a sunshade curtain arranged on the inner circle of the mounting frame. The sunshade curtain adopts a hole-type semi-light-blocking sunshade curtain, so that the sunshade curtain can meet the sunshade requirements while not affecting the sight of the tower crane driver.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A tower crane multi-angle sunshade device, comprising a cantilever bracket (1), a sunshade assembly (2) and a mounting seat assembly (3); the mounting seat assembly (3) is fixed on the ceiling of a corresponding tower crane cab; the sunshade assembly (2) is mounted on the mounting seat assembly (3) via the cantilever bracket (1), and is characterized in that: The mounting seat assembly (3) comprises a mounting base (3-1) and a ball joint structure (3-2), wherein the ball joint structure (3-2) is arranged at the bottom of the mounting base (3-1); the cantilever bracket (1) is fixed to the outer end of the ball joint structure (3-2); The cantilever bracket (1) comprises a fixed base (4), a support arm assembly (1-1), and a cantilever assembly (1-2) which are hingedly connected in sequence; the support arm assembly (1-1) and the cantilever assembly (1-2) both have a parallelogram structure, and a damping structure is provided on each hinged end; the sunshade assembly (2) is mounted on the outer end of the cantilever assembly (1-2).

2. The multi-angle sunshade device for a tower crane according to claim 1, characterized in that: The sunshade assembly (2) comprises a sunshade body (2-1), a sunshade bracket (2-2) and a connecting assembly (2-3); the sunshade bracket (2-2) is connected to the outer end of the cantilever assembly (1-2) via the connecting assembly (2-3); the sunshade body (2-1) is slidably connected to the sunshade bracket (2-2), and a rubber layer is provided on the sliding surface.

3. The multi-angle sunshade device for a tower crane according to claim 2, characterized in that: The connecting assembly (2-3) comprises a connecting piece and a ball joint; the inner end of the connecting piece is hingedly arranged on the outer end of the cantilever assembly (1-2); the straight rod section of the ball joint is hingedly arranged on the outer end of the connecting piece, and the rotation axis is perpendicular to the rotation axis between the connecting piece and the mounting base (1-2-3); the inner end of the sunshade bracket (2-2) is connected to the spherical section of the ball joint.

4. The multi-angle sunshade device for a tower crane according to claim 2, characterized in that: The sun visor main body (2-1) comprises a mounting frame and a sunshade curtain arranged on the inner circle of the mounting frame; the sunshade curtain is a hole-type semi-light-shielding sunshade curtain.

5. The multi-angle sunshade device for a tower crane according to claim 3, characterized in that: The support arm assembly (1-1) comprises a first support rod (1-1-1), a second support rod (1-1-2) and a connecting base (1-1-3); the inner ends of the first support rod (1-1-1) and the second support rod (1-1-2) are hinged to the fixed base (4), and the outer ends are hinged to the connecting base (1-1-3).

6. The multi-angle sunshade device for a tower crane according to claim 5, characterized in that: The cantilever assembly (1-2) comprises a first cantilever rod (1-2-1), a second cantilever rod (1-2-2) and a mounting base (1-2-3); the inner ends of the first cantilever rod (1-2-1) and the second cantilever rod (1-2-2) are hinged to the connecting base (1-1-3), and the outer ends are hinged to the mounting base (1-2-3); the inner ends of the connecting members are hingedly arranged on the mounting base (1-2-3).

7. The multi-angle sunshade device for a tower crane according to claim 6, characterized in that: The plurality of damping structures are respectively arranged at the hinged joints between the first support rod (1-1-1) and the second support rod (1-1-2) and the fixed base (4) and the connecting base (1-1-3), and at the hinged joints between the first cantilever rod (1-2-1) and the second cantilever rod (1-2-2) and the connecting base (1-1-3) and the mounting base (1-2-3); the damping structures use washers.

8. The multi-angle sunshade device for a tower crane according to claim 6, characterized in that: The second support rod (1-1-2) and the second cantilever rod (1-2-2) are both provided with tension springs (5); the inner ends of the two tension springs (5) are respectively fixed to the fixed base (4) and the connecting base (1-1-3).

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