A tower crane boom reinforcement frame

Abstract

The invention discloses a tower crane boom reinforcement frame, comprising a base, a pulley, a crane body, a support frame, a tripod, a luffing rope, a first boom section, a clamp assembly, a big boom binding point, a third boom section and a luffing rope hanging assembly, wherein a support frame is fixed at the top center of the base by screws, a crane body is fixed to the top of the support frame by screws, and a tripod is fixed to the top of the crane body by screws. The tower crane boom reinforcement frame has a simple structure and is easy to operate. A truss upper chord, a truss lower chord and a truss clamp cooperate to form a manipulator-type reinforcement, which is more convenient to use and firmly fixed. The three truss clamps are connected to the original structure by a card plate type to avoid chemical damage to the original structure, ensure that the pre-stressed stable state is not destroyed, extend the service life of the truss clamp, greatly increase the safety factor, and is conducive to improving personal safety and eliminating safety hazards.

Description

Technical Field

[0001] The invention relates to the technical field of tower crane booms, in particular to a tower crane boom reinforcement frame. Background Art

[0002] Tower cranes are engineering machinery and an indispensable helper in modern building construction. With their wide application, unexpected accidents are inevitable in the process, especially the boom of the tower crane. As a frequently operating component, accidents also occur relatively frequently. When encountering disastrous weather such as typhoons or the aging of the machine without timely maintenance, the boom of the tower crane is aged and damaged, causing the boom of the tower crane to bend. In addition, the structure of the boom of the traditional tower crane is a truss structure, and the rods are generally thin. After bending, it is easy to cause brittle fracture, which greatly reduces the safety factor and is not conducive to personal safety. In view of these defects, it is very necessary to design a tower crane boom reinforcement frame. Summary of the invention

[0003] The object of the present invention is to provide a tower crane boom reinforcement frame to solve the problems raised in the above background technology.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions: a tower crane boom reinforcement frame, comprising a base, a pulley, a crane body, a support frame, a tripod, a luffing rope, a first boom section, a second boom section, a hoop assembly, a big boom binding point, a third boom section and a luffing rope hanging assembly, wherein a support frame is fixed at the center of the top of the base by screws, a crane body is fixed to the top of the support frame by screws, a tripod is fixed to the top of the crane body by screws, a pulley is arranged on the top of the tripod, a luffing rope is sleeved on the top of the pulley, and a The first arm section, one end of the first arm section is fixed with the second arm section by screws, one end of the second arm section is fixed with a boom binding point by screws, a clamp assembly is installed on the outside of the boom binding point, the clamp assembly consists of a truss clamp, a truss lower chord, a truss upper chord, a truss web, a channel steel clamp, a triangular rib plate, a rectangular rib plate, a boom main chord and a channel steel inner support, one end of the boom binding point is fixed with a third arm section by screws, a plurality of truss clamps are arranged on both sides of the boom binding point, a truss lower chord is fixed to one side of the bottom of the truss clamp by screws, and a truss lower chord is fixed to one side of the top of the truss clamp by screws. A truss upper chord is fixed with screws, a truss web is fixed to the top of the truss upper chord by screws, and the top of the truss web is connected to the bottom of the truss lower chord, triangular ribs are fixed to both ends of the truss upper chord by screws, the inner wall of the truss clamp is sleeved with the outer side of the main chord of the boom, and one end of the main chord of the boom is connected to the binding point of the boom, a channel steel clamp is provided on one side of the main chord of the boom, and both ends of the channel steel clamp are connected to the inner wall of the truss clamp, a channel steel inner support is fixed at the center of one end of the channel steel clamp by screws, and the channel steel inner support is located inside the truss clamp, and a A luffing rope hanging assembly is installed, which consists of an ear plate, a first circular hoop plate, bolts, a first flange, a second flange and a second circular hoop plate. The second circular hoop plate is sleeved on the bottom of the center of the upper chord of the truss, and the first circular hoop plate is sleeved on the top of the center of the upper chord of the truss. One end of the first circular hoop plate is fixed with a first flange by screws, one end of the second circular hoop plate is fixed with a second flange by screws, and the first flange and the second flange are connected by bolts, and the top of the first circular hoop plate is fixed with an ear plate by screws, and the top of the ear plate is connected to the other end of the luffing rope.

[0005] Furthermore, an embedded rod is fixed to the bottom of the base by screws, and the embedded rod is sleeved inside the soil layer.

[0006] Furthermore, a hook is fixed to one end of the third arm section by means of screws, and dustproof films are laid on the outer sides of the first arm section, the second arm section and the third arm section.

[0007] Furthermore, a fixing hole is provided at the center of the top of the ear plate, and the fixing hole is sleeved on the outside of the amplitude-changing rope.

[0008] Furthermore, a plurality of bolt holes are provided on the outer sides of the first flange and the second flange, and the bolt holes are sleeved on the outer sides of the bolts.

[0009] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: the tower crane boom reinforcement frame structure is simple and easy to operate, and creatively adopts the shape of the bent boom main chord, and cooperates with the truss upper chord, truss lower chord and truss clamp to form a manipulator-type reinforcement, which is more convenient to use and firmly fixed, and then three large truss clamps are used as the base point of force transmission in the whole process, and the three large truss clamps are connected to the original structure in a card plate type to avoid chemical damage to the original structure, ensure that the pre-stressed stable state is not destroyed, extend the service life of the truss clamp, and complete the reinforcement operation without destroying the original force balance state, which is more solid, and then the first boom section, the second boom section and the third boom section are pulled up to cross the obstacle through the crane body, and then rotated back to the structure of the floor, safely eliminating the threat to public safety, and quickly completing the task of disaster rescue, greatly increasing the safety factor, which is beneficial to improving personal safety and eliminating safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0011] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0012] Figure 2 is a side view of the truss hoop of the present invention;

[0013] Figure 3 It is a schematic diagram of the structure of the clamp assembly of the present invention;

[0014] Figure 4 It is a schematic diagram of the structure of the luffing rope hanging assembly of the present invention;

[0015] In the figure: 1. base; 2. pulley; 3. crane body; 4. support frame; 5. tripod; 6. luffing rope; 7. first boom section; 8. second boom section; 9. clamp assembly; 10. boom binding point; 11. third boom section; 12. truss clamp; 13. truss lower chord; 14. truss upper chord; 15. truss web; 16. luffing rope hanging assembly; 17. channel steel clamp; 18. triangular rib plate; 19. rectangular rib plate; 20. main chord of boom; 21. ear plate; 22. first circular hoop plate; 23. bolt; 24. first flange; 25. second flange; 26. channel steel inner support; 27. second circular hoop plate. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] See also Figure 1-4The present invention provides a technical solution: a tower crane boom reinforcement frame, comprising a base 1, a pulley 2, a crane body 3, a support frame 4, a tripod 5, a luffing rope 6, a first boom section 7, a second boom section 8, a hoop assembly 9, a boom binding point 10, a third boom section 11 and a luffing rope hanging assembly 16, wherein the support frame 4 is fixed to the center of the top of the base 1 by screws, an embedded rod is fixed to the bottom of the base 1 by screws, and the embedded rod is sleeved in the soil layer, which is conducive to the fixing of the base 1, the top of the support frame 4 is fixed to the crane body 3 by screws, the top of the crane body 3 is fixed to the tripod 5 by screws, a pulley 2 is arranged on the top of the tripod 5, the top of the pulley 2 is sleeved with the luffing rope 6, a first boom section 7 is arranged on one side of the crane body 3, and the first boom section 7 is sleeved with the first boom section 7. The second arm section 8 is fixed with screws at one end, and a boom binding point 10 is fixed with screws at one end of the second arm section 8. A clamp assembly 9 is installed on the outside of the boom binding point 10. The clamp assembly 9 is composed of a truss clamp 12, a truss lower chord 13, a truss upper chord 14, a truss web 15, a channel steel clamp 17, a triangular rib plate 18, a rectangular rib plate 19, a boom main chord 20 and a channel steel inner support 26. A third arm section 11 is fixed with screws at one end of the boom binding point 10, and a hook is fixed with screws at one end of the third arm section 11. Dust-proof films are laid on the outside of the first arm section 7, the second arm section 8 and the third arm section 11, which is beneficial to the use of the third arm section 11 and the protection of the first arm section 7, the second arm section 8 and the third arm section 11. Several A truss clamp 12 is provided, a truss lower chord 13 is fixed to one side of the bottom of the truss clamp 12 by screws, a truss upper chord 14 is fixed to one side of the top of the truss clamp 12 by screws, a truss web 15 is fixed to the top of the truss upper chord 14 by screws, and the top of the truss web 15 is connected to the bottom of the truss lower chord 13, and triangular ribs 18 are fixed to both ends of the truss upper chord 14 by screws, the inner wall of the truss clamp 12 is sleeved with the outer side of the boom main chord 20, and one end of the boom main chord 20 is connected to the boom binding point 10, a channel steel clamp 17 is provided on one side of the boom main chord 20, and both ends of the channel steel clamp 17 are connected to the inner wall of the truss clamp 12, a channel steel inner support 26 is fixed to the center of one end of the channel steel clamp 17 by screws, and the channel steel inner support 26 is located at the truss Inside the hoop 12, a luffing rope hanging assembly 16 is installed at the top center of the truss upper chord 14. The luffing rope hanging assembly 16 consists of an ear plate 21, a first circular hoop plate 22, a bolt 23, a first flange 24, a second flange 25 and a second circular hoop plate 27. The second circular hoop plate 27 is sleeved at the bottom of the center of the truss upper chord 14, and the first circular hoop plate 22 is sleeved at the top of the center of the truss upper chord 14. The first circular hoop plate 22 is fixed with the first flange 24 at one end by screws, and the second circular hoop plate 27 is fixed with the second flange 25 at one end by screws, and the first flange 24 and the second flange 25 are connected by bolts 23. A plurality of bolt holes are opened on the outside of the first flange 24 and the second flange 25, and the bolt holes are sleeved on the outside of the bolts 23.It is conducive to fixing the first flange 24 and the second flange 25. The top of the first circular hoop plate 22 is fixed with an ear plate 21 by screws, and the top of the ear plate 21 is connected to the other end of the luffing rope 6. A fixing hole is opened at the center of the top of the ear plate 21, and the fixing hole is sleeved on the outside of the luffing rope 6, which is conducive to fixing the luffing rope 6; when the tower crane boom reinforcement frame is in use, the tower crane boom reinforcement frame is manually sleeved on the outside of the boom binding point 10. The tower crane boom reinforcement frame is composed of several major components such as a truss lower chord 13, a truss upper chord 14, a hoop assembly 9 and a boom binding point 10. First, three truss hoops 12 are sleeved on the outside of the boom binding point 10. Each truss hoop 12 forms a stable structure. The truss hoop 12 is fixed to the original boom main chord 20 by a clamping plate and a steel wire rope. The triangular rib plate 18 is welded inside the truss hoop 12 to form a stable triangular rib plate The whole truss clamp 12 is welded on site according to the actual situation on site. The truss lower chord 13 and the truss upper chord 14 are made of small channel steel. The three pre-processed truss clamps 12 are attached as nodes for force transmission. The whole reinforcement frame acts as a manipulator. By attaching the original stable part of the crane arm to pull the severely deformed part, the center of gravity of the first boom section 7, the second boom section 8 and the third boom section 11 are shifted to the center of the crane body 3, reducing the local stress of the bending boom binding point 10. After the welding of all the frames is completed, after the luffing rope hanging assembly 16 is set on the truss upper chord 14, the ear plate 21 is pulled by the luffing rope 6, and the first boom section 7, the second boom section 8 and the third boom section 11 are pulled up through the crane body 3 to cross the obstacles and return to the structure of the floor, eliminating the threat to public safety at the fastest speed.

[0018] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0019] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A tower crane boom reinforcement frame, comprising a base (1), a pulley (2), a crane body (3), a support frame (4), a tripod (5), a luffing rope (6), a first boom section (7), a second boom section (8), a hoop assembly (9), a boom binding point (10), a third boom section (11) and a luffing rope hanging assembly (16), characterized in that: A support frame (4) is fixed at the center of the top of the base (1) by screws, a crane body (3) is fixed to the top of the support frame (4) by screws, a tripod (5) is fixed to the top of the crane body (3) by screws, a pulley (2) is arranged on the top of the tripod (5), a luffing rope (6) is sleeved on the top of the pulley (2), a first boom section (7) is arranged on one side of the crane body (3), a second boom section (8) is fixed to one end of the first boom section (7) by screws, a boom tie point (10) is fixed to one end of the second boom section (8) by screws, a hoop assembly (9) is installed on the outside of the boom tie point (10), and the hoop assembly (9) is composed of a truss hoop (12), a truss lower chord (13), and a truss lower chord (14). ), a truss upper chord (14), a truss web (15), a channel steel clip (17), a triangular rib plate (18), a rectangular rib plate (19), a main chord of a boom (20) and a channel steel inner support (26), one end of the boom binding point (10) is fixed with a third boom section (11) by means of screws, a plurality of truss clamps (12) are arranged on both sides of the boom binding point (10), a truss lower chord (13) is fixed to one side of the bottom of the truss clamp (12) by means of screws, a truss upper chord (14) is fixed to one side of the top of the truss clamp (12) by means of screws, a truss web (15) is fixed to the top of the truss upper chord (14) by means of screws, and the top of the truss web (15) is connected to the bottom of the truss lower chord (13), Both ends of the truss upper chord (14) are fixed with triangular ribs (18) by screws, the inner wall of the truss clamp (12) is sleeved on the outside of the boom main chord (20), and one end of the boom main chord (20) is connected to the boom binding point (10), a channel steel clamp (17) is provided on one side of the boom main chord (20), and both ends of the channel steel clamp (17) are connected to the inner wall of the truss clamp (12), a channel steel inner support (26) is fixed at the center of one end of the channel steel clamp (17) by screws, and the channel steel inner support (26) is located inside the truss clamp (12), and a variable-length rope hanging assembly (16) is installed at the center of the top of the truss upper chord (14), and the variable-length rope hanging assembly (16) is composed of an ear plate (21), a first circular hoop, and a second circular hoop. The truss upper chord (14) is composed of a plate (22), bolts (23), a first flange (24), a second flange (25) and a second circular hoop plate (27); the second circular hoop plate (27) is sleeved at the bottom of the center of the truss upper chord (14); the first circular hoop plate (22) is sleeved at the top of the center of the truss upper chord (14); one end of the first circular hoop plate (22) is fixed with the first flange (24) by screws; one end of the second circular hoop plate (27) is fixed with the second flange (25) by screws; the first flange (24) and the second flange (25) are connected by bolts (23); the top of the first circular hoop plate (22) is fixed with an ear plate (21) by screws; and the top of the ear plate (21) is connected to the other end of the luffing rope (6).

2. The tower crane boom reinforcement frame according to claim 1, characterized in that: The bottom of the base (1) is fixed with an embedded rod by means of screws, and the embedded rod is sleeved inside the soil layer.

3. The tower crane boom reinforcement frame according to claim 1, characterized in that: A hook is fixed to one end of the third arm section (11) by means of screws, and dustproof films are laid on the outer sides of the first arm section (7), the second arm section (8) and the third arm section (11).

4. The tower crane boom reinforcement frame according to claim 1, characterized in that: A fixing hole is provided at the center of the top of the ear plate (21), and the fixing hole is sleeved on the outside of the luffing rope (6).

5. The tower crane boom reinforcement frame according to claim 1, characterized in that: A plurality of bolt holes are provided on the outside of the first flange (24) and the second flange (25), and the bolt holes are sleeved on the outside of the bolts (23).

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