CN215287779U - Rotary upper support assembly convenient to mount and used for tower crane - Google Patents
Rotary upper support assembly convenient to mount and used for tower crane Download PDFInfo
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- CN215287779U CN215287779U CN202121969391.XU CN202121969391U CN215287779U CN 215287779 U CN215287779 U CN 215287779U CN 202121969391 U CN202121969391 U CN 202121969391U CN 215287779 U CN215287779 U CN 215287779U
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- upper support
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Abstract
The utility model particularly relates to a tower crane is with gyration upper bracket assembly of being convenient for installation has solved the connecting elements installation complex operation of current rotary platform and gyration upper bracket, rotary platform set up in the unilateral problem of the maintenance opposite side of being not convenient for. A rotary upper support assembly convenient to mount for a tower crane comprises a rotary upper support, a rotary platform and a rotary maintenance platform; the rotary maintenance platform is connected with the rotary upper support, and the rotary upper support is connected with the rotary platform through a plurality of connecting mechanisms; the connecting mechanism comprises a hanging pin, a safety pin, two ear plates and an upright post; the middle part of the upper end surface of each ear plate is provided with a positioning groove; and a horizontal positioning block is fixed on one side of each upright column, which is adjacent to the rotary upper support. The utility model discloses a tower crane gyration upper bracket's high-speed joint has factor of safety height, advantage that the practicality is strong.
Description
Technical Field
The utility model relates to a tower crane technical field specifically is a gyration upper bracket assembly convenient to installation that tower crane used.
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. At present, a connecting mechanism of a rotary platform and a rotary upper support of a tower crane comprises a plurality of support rods, a plurality of bolts and a plurality of pin shafts, as shown in the attached figure 2.
However, practice has shown that the existing rotary platform has the following problems in use: firstly, the number of connecting components with the rotary upper support is large, so that the installation operation is complicated, and the components are difficult to disassemble, assemble, replace and the like in the air; and secondly, the rotary platform is only arranged on one side, so that the rotary mechanism on the other side is inconvenient to maintain.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve connecting elements installation complex operation, the rotary platform of current rotary platform and gyration upper bracket and set up in the problem of the unilateral maintenance opposite side of not being convenient for, provide a gyration upper bracket assembly of installation of being convenient for that tower crane used.
The utility model discloses an adopt following technical scheme to realize:
a rotary upper support assembly convenient to mount for a tower crane comprises a rotary upper support and a rotary platform positioned on the right side of the rotary upper support; the rotary maintenance platform is positioned on the left side of the rotary upper support and is horizontally arranged; the rotary maintenance platform is connected with the rotary upper support, and the rotary upper support is connected with the rotary platform through a plurality of connecting mechanisms distributed in the front and back; the connecting mechanism comprises a hanging pin, a safety pin, two lug plates which are fixed on the rotary upper support and distributed in parallel front and back, and an upright post clamped between the two lug plates; the upright column positioned on the left side is fixed at the right end part of the rotary maintenance platform; the upright column positioned on the right side is fixed at the left end part of the rotary platform; the middle part of the upper end surface of each ear plate is provided with an arc-shaped positioning groove; the hanging pin is fixedly penetrated on the upper part of the upright post along the longitudinal direction by welding, and two ends of the hanging pin are respectively penetrated in the two positioning grooves; the safety pin longitudinally penetrates through the middle part of the upright post and the two lug plates, and the front end part and the rear end part of the safety pin are both provided with split pins; and a horizontal positioning block with the upper surface attached to the bottom surface of the rotary upper support is fixed on one side of each upright column adjacent to the rotary upper support.
Furthermore, the number of the connecting mechanisms is four, and the four connecting mechanisms are distributed at four corners of the rotary upper support.
Furthermore, an I diagonal brace rod obliquely arranged in a left-high and right-low manner is fixed between the bottom surface of the rotary overhaul platform and the bottom of the upright column adjacent to the bottom surface; a second inclined support rod obliquely arranged from low left to high right is fixed between the bottom surface of the rotary platform and the bottom of the upright column adjacent to the bottom surface of the rotary platform.
Furthermore, the bottom of the ear plate is in an inverted triangle shape with a wide top and a narrow bottom.
Furthermore, rotary platform, rotary maintenance platform all include the platform support of horizontal placement and be fixed in the steel mesh piece of platform support upper surface.
The utility model has the advantages of reasonable design reliably, on the basis that does not change original main structure, the high-speed joint of tower crane gyration upper bracket has been realized, and can be aloft to carrying out the dismouting, change, the convenience is torn open in ann further promotion, connect safe and reliable simultaneously, the factor of safety of rotary platform and gyration upper bracket has effectively been promoted, furthermore, can maintain the rotary platform opposite side through gyration maintenance platform, the maneuverability of maintenance operation has been increased, it is high to have the installation roughness, the structure is succinct, characteristics that the practicality is strong.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the connection between a conventional upper rotating support and a rotating platform;
FIG. 3 is a schematic top view of FIG. 1;
FIG. 4 is an enlarged partial schematic view at A of FIG. 1;
fig. 5 is a schematic structural diagram of the connection mechanism of the present invention;
FIG. 6 is a schematic structural view of the upper pivoting support of the present invention;
fig. 7 is a schematic structural diagram of a rotary platform according to the present invention;
fig. 8 is a left side schematic view of fig. 7.
In the figure, 1-a rotary upper support, 2-a rotary platform, 3-a rotary maintenance platform, 4-a connecting mechanism, 5-an ear plate, 6-an upright post, 7-a hanging pin, 8-a safety pin, 9-a positioning groove, 10-a split pin, 11-a horizontal positioning block, 12-an I diagonal brace, 13-an II diagonal brace, 14-a platform bracket, 15-a steel mesh, 16-a brace, 17-a bolt and 18-a pin shaft.
Detailed Description
A conveniently installed swivel upper bearing assembly for a tower crane, as shown in figures 1, 3, 4, 5, 6, 7 and 8; comprises a rotary upper support 1 and a rotary platform 2 positioned on the right side of the rotary upper support; the rotary maintenance platform 3 is positioned on the left side of the rotary upper support 1 and is horizontally arranged; the rotary maintenance platform 3 is connected with the rotary upper support 1, and the rotary upper support 1 is connected with the rotary platform 2 through a plurality of connecting mechanisms 4 which are distributed front and back; the connecting mechanism 4 comprises a hanging pin 7, a safety pin 8, two lug plates 5 which are fixed on the rotary upper support 1 and distributed in parallel front and back, and an upright post 6 clamped between the two lug plates 5; the upright post 6 positioned on the left side is fixed at the right end part of the rotary maintenance platform 3; the upright post 6 positioned on the right side is fixed at the left end part of the rotary platform 2; the middle part of the upper end surface of each ear plate 5 is provided with an arc-shaped positioning groove 9; the hanging pin 7 is fixedly penetrated on the upper part of the upright post 6 along the longitudinal direction by welding, and two ends of the hanging pin 7 are respectively penetrated in the two positioning grooves 9; the safety pin 8 longitudinally penetrates through the middle part of the upright post 6 and the two lug plates 5, and the front end part and the rear end part of the safety pin 8 are both provided with cotter pins 10; a horizontal positioning block 11 with the upper surface attached to the bottom surface of the upper rotary support 1 is fixed on one side of each upright post 6 adjacent to the upper rotary support 1.
The structure design of the connecting mechanism 4 in the utility model realizes the convenient connection of the rotary platform 2 and the rotary upper support 1, the rotary overhaul platform 3 and the rotary upper support 1; due to the combined structure design of the hanging pin 7, the safety pin 8, the positioning groove 9 and the split pin 10, on the basis of ensuring the connection firmness of the connecting mechanism 4, the operation convenience of the connecting mechanism 4 during mounting and dismounting is further improved, and the components can be dismounted, mounted and replaced in the air; the structural design of the rotary maintenance platform 3 is convenient for maintenance of the other side of the rotary platform 2; the perpendicularity of the stand column 6 during installation can be guaranteed through the horizontal positioning block 11, convenience during installation is further improved, and the flatness of the rotary platform 2 and the rotary maintenance platform 3 can be improved.
During installation, firstly, the rotary platform 2 welded with the upright post 6 is butted with the rotary upper support 1 from the right side, the upright post 6 is correspondingly clamped between the lug plates 5 during butt joint, the hanging pin 7 is accommodated in the positioning groove 9, meanwhile, the upper surface of the horizontal positioning block 11 is enabled to be attached to the bottom surface of the rotary upper support 1, then the safety pin 8 is longitudinally penetrated through the middle part of the upright post 6 and the two lug plates 5, and finally, the front end part and the rear end part of the safety pin 8 are respectively provided with the split pins 10, so that the connection of the rotary platform 2 and the rotary upper support 1 is completed; analogize from this and so on, overhaul the platform 3 and install in the left side of gyration upper bracket 1 through coupling mechanism 4 with the gyration, accomplish the installation of this gyration upper bracket assembly from this, realized that revolving platform 2 is connected more swiftly, safely with gyration upper bracket 1, overcome current revolving platform and the connecting element installation complex operation of gyration upper bracket, revolving platform set up the problem that the maintenance opposite side is not convenient for in the unilateral.
As shown in fig. 3, the number of the connecting mechanisms 4 is four, and four connecting mechanisms 4 are distributed at four corners of the upper swivel support 1.
The structural design makes the installation operation simple and effective, and can realize the quick connection of the rotary platform 2 and the rotary upper support 1.
As shown in fig. 1 and 7, an I-shaped diagonal brace 12 which is obliquely arranged in a left-high and right-low manner is fixed between the bottom surface of the rotary maintenance platform 3 and the bottom of the upright 6 adjacent to the rotary maintenance platform; a second inclined stay bar 13 which is obliquely arranged from low left to high right is fixed between the bottom surface of the rotary platform 2 and the bottom of the upright post 6 adjacent to the bottom surface.
This structural design makes the utility model discloses connect more firmly stably, effectively increased coupling mechanism 4's reliability and stability.
As shown in fig. 1 and 6, the bottom of the ear plate 5 is in an inverted triangle shape with a wide top and a narrow bottom.
This structural design has further alleviateed the dead weight of otic placode 5 on the basis of guaranteeing coupling mechanism 4 firm in connection nature.
As shown in fig. 3, each of the rotary platform 2 and the rotary maintenance platform 3 includes a platform support 14 horizontally disposed and a steel mesh 15 fixed to an upper surface of the platform support 14.
Claims (5)
1. A rotary upper support assembly convenient to mount for a tower crane comprises a rotary upper support (1) and a rotary platform (2) positioned on the right side of the rotary upper support; the method is characterized in that: the rotary maintenance platform (3) is positioned on the left side of the rotary upper support (1) and is horizontally arranged; the rotary maintenance platform (3) is connected with the rotary upper support (1) and the rotary upper support (1) is connected with the rotary platform (2) through a plurality of connecting mechanisms (4) which are distributed front and back; the connecting mechanism (4) comprises a hanging pin (7), a safety pin (8), two lug plates (5) which are fixed on the rotary upper support (1) and distributed in parallel front and back, and an upright post (6) clamped between the two lug plates (5); the upright post (6) positioned on the left side is fixed at the right end part of the rotary maintenance platform (3); the upright post (6) positioned on the right side is fixed at the left end part of the rotary platform (2); the middle part of the upper end surface of each ear plate (5) is provided with an arc-shaped positioning groove (9); the hanging pin (7) is fixedly penetrated on the upper part of the upright post (6) along the longitudinal direction by welding, and two ends of the hanging pin (7) are respectively penetrated in the two positioning grooves (9); the safety pin (8) longitudinally penetrates through the middle part of the upright post (6) and the two lug plates (5), and the front end part and the rear end part of the safety pin (8) are both provided with split pins (10); one side of each upright post (6) adjacent to the upper rotary support (1) is fixedly provided with a horizontal positioning block (11) the upper surface of which is attached to the bottom surface of the upper rotary support (1).
2. The easy-to-install swivel upper mount assembly for a tower crane according to claim 1, wherein: the number of the connecting mechanisms (4) is four, and the four connecting mechanisms (4) are distributed at four corners of the rotary upper support (1).
3. The easy-to-install swivel upper mount assembly for a tower crane according to claim 1, wherein: an I diagonal brace (12) which is obliquely arranged in a left-high and right-low manner is fixed between the bottom surface of the rotary overhaul platform (3) and the bottom of the upright post (6) adjacent to the rotary overhaul platform; a second inclined stay bar (13) which is obliquely arranged from low left to high right is fixed between the bottom surface of the rotary platform (2) and the bottom of the upright post (6) adjacent to the rotary platform.
4. The easy-to-install swivel upper mount assembly for a tower crane according to claim 1, wherein: the bottom of the ear plate (5) is in an inverted triangle shape with a wide upper part and a narrow lower part.
5. The easy-to-install swivel upper mount assembly for a tower crane according to claim 1, wherein: the rotary platform (2) and the rotary overhaul platform (3) both comprise a platform support (14) which is horizontally placed and a steel mesh (15) which is fixed on the upper surface of the platform support (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121969391.XU CN215287779U (en) | 2021-08-20 | 2021-08-20 | Rotary upper support assembly convenient to mount and used for tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121969391.XU CN215287779U (en) | 2021-08-20 | 2021-08-20 | Rotary upper support assembly convenient to mount and used for tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215287779U true CN215287779U (en) | 2021-12-24 |
Family
ID=79527492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121969391.XU Active CN215287779U (en) | 2021-08-20 | 2021-08-20 | Rotary upper support assembly convenient to mount and used for tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215287779U (en) |
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2021
- 2021-08-20 CN CN202121969391.XU patent/CN215287779U/en active Active
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