Quick-release loading and unloading frame for tower crane

Abstract

The utility model relates to the technical field of tower crane loading and unloading frames, and discloses a quick-release loading and unloading frame for a tower crane, which comprises a base and a pulley piece I. A positioning hole I is formed in the top of the base in a penetrating manner, a limiting groove is formed in the top of the base, a supporting column is fixedly mounted at the top of the base, and a limiting plate I is fixedly mounted on the outer side of the supporting column. A plurality of second positioning holes are formed in one side of the first limiting plate. According to the quick-release type loading and unloading frame for the tower crane, through the design of the connecting end, when the whole loading and unloading frame is mounted, the mounting column and the connecting end can be aligned firstly, then the mounting column and the connecting end are fixedly connected through a bolt, a third pulley part can be conveniently and quickly mounted, and follow-up maintenance and replacement are facilitated; and the inserting blocks can be inserted into the inserting grooves, rapid installation of the second limiting plates and the workpieces above can be achieved, later maintenance and replacement can be facilitated, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of tower crane loading and unloading frames, in particular to a quick-disassembly loading and unloading frame for tower cranes. Background Technique

[0002] At present, as an important vertical transportation tool in modern construction projects, tower cranes have helped more and more high-rise buildings to rise from the ground. However, due to the harsh use environment and frequent use of hoisting machinery, it is easy to cause machine wear and breakdown. Once the machine breaks down, it should be repaired immediately to avoid delaying the construction period and causing losses to customers. As the first of the four major mechanisms of the tower crane, the maintenance and repair of the hoisting mechanism have always been the most concerned issues of the user unit. Since the reducer and motor of the mechanism are relatively large components, once damaged, they may need to be disassembled for repair or replacement, and loading and unloading frames are often used for quick loading and unloading.

[0003] Chinese Utility Model Patent Publication No.: CN 203728448 U3, discloses: a portable loading and unloading frame for tower cranes. This portable loading and unloading frame for tower cranes is convenient and fast to install, can be folded or disassembled when not in use, occupies little space, and is convenient for transportation. However, this portable loading and unloading frame for tower cranes does not design a specific quick-disassembly and assembly structure, is not convenient for replacing different parts, easily affects the normal use of the loading and unloading frame, and does not design a quick-disassembly and assembly structure for the support member. Through an integrated design, when the use time is long, it is not convenient to replace and easily affects the stability of the loading and unloading frame, and the practicability is poor. Summary of the Invention

[0004] The technical problem to be solved by the utility model is to provide a quick-disassembly loading and unloading frame for tower cranes, which can effectively solve the problems in the prior art such as not designing a specific quick-disassembly and assembly structure, not being convenient for replacing different parts, easily affecting the normal use of the loading and unloading frame, not designing a quick-disassembly and assembly structure for the support member, through an integrated design, when the use time is long, not being convenient to replace and easily affecting the stability of the loading and unloading frame, and having poor practicability.

[0005] The technical solution adopted by the utility model is: a quick-disassembly loading and unloading frame for tower cranes, including a base and a pulley member one. A positioning hole one is penetrated through the top of the base. A limiting groove is opened at the top of the base. A support column is fixedly installed at the top of the base. A limiting plate one is fixedly installed on the outer side of the support column. A plurality of positioning holes two are opened on one side of the limiting plate one. A plugging hole one is penetrated through the top of the support column. A reinforcing plate is arranged on the outer side of the limiting plate one. A plugging hole two is opened at the top of the reinforcing plate. A fixing bolt is arranged on one side of the reinforcing plate. A connecting rod is arranged inside the support column. A fixing sleeve one is fixedly installed on the outer side of the connecting rod through a bolt. A support rod is fixedly installed on one side of the fixing sleeve one. An installation sleeve is fixedly installed on the outer side of the connecting rod. A pulley member two is rotatably installed inside the installation sleeve.

[0006] Preferably, a connection end is provided at the top of the connecting rod. An installation column is fixedly installed at the top of the connection end through bolts. A pulley member III is rotatably installed inside the installation column. The installation column is fixedly installed with the connection end through bolts.

[0007] Through the above technical solution, through the design of the connection end, when the overall loading and unloading rack is installed, the installation column and the connection end can be aligned first, and then the two can be fixedly connected through bolts, which is convenient for quickly installing the pulley member III and facilitating subsequent maintenance and replacement.

[0008] Preferably, a fixing sleeve III is fixedly installed on the outer side of the connecting rod. A rotating rod is rotatably installed inside the fixing sleeve III. The other end of the rotating rod is fixedly installed with an electric hoist body. A hook is fixedly installed on one side of the electric hoist body. A connecting rope is provided on one side of the hook. The connecting rope passes through the pulley member I and the pulley member II and is fixedly installed with the pulley member III.

[0009] Through the above technical solution, through the design of the connecting rope, when working, the electric hoist body can be pulled by the connecting rope to change the angle up and down. At the same time, the connecting rope passes through the pulley member I and the pulley member II, which is convenient for reducing the pressure on the connecting rope and avoiding its easy breakage.

[0010] Preferably, the reinforcing plate is inserted and installed with the limiting plate I through the insertion hole II. The fixing bolt penetrates through the limiting plate I and the reinforcing plate.

[0011] Through the above technical solution, through the design of the reinforcing plate, during installation, it can be inserted into the limiting plate I through the insertion hole II, and then the two can be limited through the fixing bolt, which can achieve quick installation and improve its stability.

[0012] Preferably, the cross-section of the reinforcing plate is in a "triangle" structure. There are four identical reinforcing plates, and the four reinforcing plates are annularly distributed around the support column.

[0013] Through the above technical solution, through the four triangular-structured reinforcing plates, because the triangular structure has strong stability, when installing the overall loading and unloading rack, the anti-deformation ability of the overall device can be improved, avoiding the easy shaking of the overall loading and unloading rack, and at the same time, the service life of a single reinforcing plate can be extended.

[0014] Preferably, a fixing sleeve II is fixedly installed on the outer side of the connecting rod. A plugging groove is opened on one side of the fixing sleeve II. A plugging block is arranged inside the plugging groove. A limiting plate II is fixedly installed at the top of the plugging block. A motor is fixedly installed on one side of the limiting plate II. A pulley member I is fixedly installed on the output shaft of the motor. The plugging groove is adapted to the plugging block.

[0015] Through the above technical solution, through the design of the insertion slot and the insertion block, when installing the second limiting plate, the insertion block can be inserted into the insertion slot, so as to realize the rapid installation of the second limiting plate and the workpiece above, which is convenient for later maintenance and replacement.

[0016] Preferably, the third fixed sleeve is adapted to the rotating rod, and the rotating range of the rotating rod is 0° to 90°.

[0017] Through the above technical solution, through the cooperation of the third fixed sleeve and the rotating rod, the angle change of the electric hoist body can be realized by changing the angle of the rotating rod, the components above the tower crane can be lifted, and normal work can be realized.

[0018] Compared with the prior art, the utility model provides a quick-disassembly loading and unloading rack for a tower crane, which has the following beneficial effects:

[0019] 1. For the quick-disassembly loading and unloading rack for the tower crane, through the design of the connection end, when installing the whole loading and unloading rack, the installation column can be aligned with the connection end first, and then the two can be fixedly connected by bolts, which is convenient for quickly installing the third pulley part and subsequent maintenance and replacement. Through the design of the insertion slot and the insertion block, when installing the second limiting plate, the insertion block can be inserted into the insertion slot, so as to realize the rapid installation of the second limiting plate and the workpiece above, which is convenient for later maintenance and replacement;

[0020] 2. For the quick-disassembly loading and unloading rack for the tower crane, through the design of the reinforcing plate, during installation, the second insertion hole can be inserted into the first limiting plate, and then the two can be limited through the fixing bolt, so as to realize rapid installation and improve its stability. With four triangular reinforcing plates, because the triangular structure has strong stability, when installing the whole loading and unloading rack, the anti-deformation ability of the whole device can be improved, preventing the whole loading and unloading rack from shaking easily, and at the same time, the service life of a single reinforcing plate can be extended;

[0021] 3. For the quick-disassembly loading and unloading rack for the tower crane, through the design of the connecting rope, during work, the electric hoist body can be dragged by the connecting rope to change the angle up and down. At the same time, the connecting rope passes through the first pulley part and the second pulley part, which is convenient for reducing the pressure on the connecting rope and preventing it from breaking easily. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a schematic three-dimensional structure diagram of the utility model Figure 1 ;

[0023] Figure 2 is a schematic three-dimensional structure diagram of the utility model Figure 2 ;

[0024] Figure 3 is a schematic diagram of the installation structure of the limiting plate and the reinforcing plate of the utility model;

[0025] Figure 4 This is a schematic diagram of the installation structure of the connecting rod and the first fixing sleeve of the present utility model;

[0026] Figure 5 This is a schematic diagram of the installation structure of the insertion slot and the insertion block of the present utility model.

[0027] Wherein: 1. Base; 2. First positioning hole; 3. Limiting groove; 4. Support column; 5. First limiting plate; 6. Second positioning hole; 7. First insertion hole; 8. Reinforcing plate; 9. Second insertion hole; 10. Fixing bolt; 11. Connecting rod; 12. First fixing sleeve; 13. Support rod; 14. Second fixing sleeve; 15. Insertion slot; 16. Insertion block; 17. Second limiting plate; 18. Motor; 19. First pulley member; 20. Installation sleeve; 21. Second pulley member; 22. Connection end; 23. Installation column; 24. Third pulley member; 25. Third fixing sleeve; 26. Rotating rod; 27. Electric hoist body; 28. Hook; 29. Connection rope. Specific embodiments

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0029] Embodiment 1: As Figures 1-5 shown, a quick-disassembly loading and unloading rack for a tower crane provided by the present utility model includes a base 1 and a first pulley member 19. A first positioning hole 2 penetrates through the top of the base 1. A limiting groove 3 is opened at the top of the base 1. A support column 4 is fixedly installed at the top of the base 1. A first limiting plate 5 is fixedly installed on the outer side of the support column 4. A plurality of second positioning holes 6 are opened on one side of the first limiting plate 5. A first insertion hole 7 penetrates through the top of the support column 4. A reinforcing plate 8 is arranged on the outer side of the first limiting plate 5. A second insertion hole 9 is opened at the top of the reinforcing plate 8. A fixing bolt 10 is arranged on one side of the reinforcing plate 8. A connecting rod 11 is arranged inside the support column 4. A first fixing sleeve 12 is fixedly installed on the outer side of the connecting rod 11 through a bolt. A support rod 13 is fixedly installed on one side of the first fixing sleeve 12. An installation sleeve 20 is fixedly installed on the outer side of the connecting rod 11. A second pulley member 21 is rotatably installed inside the installation sleeve 20.

[0030] Specifically, a connection end 22 is provided at the top of the connecting rod 11. An installation column 23 is fixedly installed at the top of the connection end 22 through bolts. A third pulley member 24 is rotatably installed inside the installation column 23. The installation column 23 is fixedly installed with the connection end 22 through bolts. The advantage is that through the design of the connection end 22, when the overall loading and unloading rack is installed, the installation column 23 and the connection end 22 can be aligned first, and then the two can be fixedly connected through bolts, which is convenient for quickly installing the third pulley member 24 and facilitating subsequent maintenance and replacement.

[0031] Specifically, a third fixed sleeve 25 is fixedly installed on the outer side of the connecting rod 11. A rotating rod 26 is rotatably installed inside the third fixed sleeve 25. The other end of the rotating rod 26 is fixedly installed with an electric hoist body 27. A hook 28 is fixedly installed on one side of the electric hoist body 27. A connecting rope 29 is arranged on one side of the hook 28. The connecting rope 29 passes through the first pulley member 19 and the second pulley member 21 and is fixedly installed with the third pulley member 24. The advantage is that through the design of the connecting rope 29, when working, the electric hoist body 27 can be pulled by the connecting rope 29 to change the angle up and down. At the same time, the connecting rope 29 passes through the first pulley member 19 and the second pulley member 21, which is convenient for reducing the pressure on the connecting rope 29 and preventing it from being easily broken.

[0032] Specifically, the reinforcing plate 8 is inserted and installed with the first limiting plate 5 through the second insertion hole 9. The fixing bolt 10 passes through the first limiting plate 5 and the reinforcing plate 8. The advantage is that through the design of the reinforcing plate 8, during installation, it can be inserted into the first limiting plate 5 through the second insertion hole 9, and then the limit between the two can be achieved through the fixing bolt 10, which can achieve quick installation and improve its stability.

[0033] Embodiment 2: As Figures 2-5 shown, as an improvement to the previous embodiment.

[0034] Specifically, the cross-section of the reinforcing plate 8 is in a "triangle" structure. There are four identical reinforcing plates 8. The four reinforcing plates 8 are annularly distributed around the support column 4. The advantage is that through the four triangular-structured reinforcing plates 8, due to the strong stability of the triangular structure, when installing the overall loading and unloading rack, the anti-deformation ability of the overall device can be improved, preventing the overall loading and unloading rack from being easily shaken, and at the same time, the service life of a single reinforcing plate 8 can be extended.

[0035] Specifically, a second fixing sleeve 14 is fixedly installed on the outer side of the connecting rod 11. A plugging slot 15 is formed on one side of the second fixing sleeve 14. A plugging block 16 is arranged inside the plugging slot 15. A second limiting plate 17 is fixedly installed at the top of the plugging block 16. A motor 18 is fixedly installed on one side of the second limiting plate 17. A first pulley member 19 is fixedly installed on the output shaft of the motor 18. The plugging slot 15 is adapted to the plugging block 16. The advantage is that through the design of the plugging slot 15 and the plugging block 16, when installing the second limiting plate 17, the plugging block 16 can be inserted into the plugging slot 15, so as to realize the quick installation of the second limiting plate 17 and the upper workpiece, which is convenient for later maintenance and replacement.

[0036] Specifically, the third fixing sleeve 25 is adapted to the rotating rod 26. The rotation range of the rotating rod 26 is 0° to 90°. The advantage is that through the cooperation of the third fixing sleeve 25 and the rotating rod 26, the angle change of the electric hoist body 27 can be realized through the angle change of the rotating rod 26, so as to realize the lifting of the components above the tower crane and realize normal work.

[0037] Working principle: When in use, through the design of the connecting end 22, when installing the overall loading and unloading rack, the mounting column 23 can be aligned with the connecting end 22 first, and then the two can be fixedly connected by bolts, which is convenient for quickly installing the third pulley member 24 and subsequent maintenance and replacement. Through the design of the connecting rope 29, when working, the electric hoist body 27 can be pulled by the connecting rope 29 to change the angle up and down. At the same time, the connecting rope 29 passes through the first pulley member 19 and the second pulley member 21, which is convenient for reducing the pressure on the connecting rope 29 and preventing it from being easily broken. Through the design of the reinforcing plate 8, during installation, the second plugging hole 9 can be inserted into the first limiting plate 5, and then the two can be limited through the fixing bolt 10, which can realize quick installation and improve its stability. Through the four triangular reinforcing plates 8, because the triangular structure has strong stability, when installing the overall loading and unloading rack, the anti-deformation ability of the overall device can be improved, preventing the overall loading and unloading rack from being easily shaken, and at the same time, the service life of a single reinforcing plate 8 can be extended. Through the design of the plugging slot 15 and the plugging block 16, when installing the second limiting plate 17, the plugging block 16 can be inserted into the plugging slot 15, so as to realize the quick installation of the second limiting plate 17 and the upper workpiece, which is convenient for later maintenance and replacement. Through the cooperation of the third fixing sleeve 25 and the rotating rod 26, the angle change of the electric hoist body 27 can be realized through the angle change of the rotating rod 26, so as to realize the lifting of the components above the tower crane and realize normal work.

[0038] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A quick-detachable loading and unloading frame for a tower crane, comprising a base (1) and a pulley member (19), characterized in that: The top of the base (1) is provided with a positioning hole (2) through-through, the top of the base (1) is provided with a limiting groove (3), the top of the base (1) is fixedly installed with a support column (4), the outer side of the support column (4) is fixedly installed with a limiting plate (5), one side of the limiting plate (5) is provided with a plurality of positioning holes (6), the top of the support column (4) is provided with a plug hole (7), the outer side of the limiting plate (5) is provided with a reinforcing plate (8), the top of the reinforcing plate (8) is provided with a plug hole (9), one side of the reinforcing plate (8) is provided with a fixing bolt (10), the support column (4) is provided with a connecting rod (11), the outer side of the connecting rod (11) is fixedly installed with a fixing sleeve (12) by bolts, one side of the fixing sleeve (12) is fixedly installed with a support rod (13), the outer side of the connecting rod (11) is fixedly installed with a mounting sleeve (20), and the inner side of the mounting sleeve (20) is rotatably installed with a pulley member (21).

2. The quick-detachable loading and unloading frame for tower crane according to claim 1, characterized in that: The top of the connecting rod (11) is provided with a connecting end (22), the top of the connecting end (22) is fixedly mounted with a mounting column (23) by means of bolts, a pulley member (24) is rotatably mounted inside the mounting column (23), and the mounting column (23) is fixedly mounted with the connecting end (22) by means of bolts.

3. The quick-detachable loading and unloading frame for tower crane according to claim 2, characterized in that: A fixing sleeve three (25) is fixedly mounted on the outer side of the connecting rod (11), a rotating rod (26) is rotatably mounted on the inner side of the fixing sleeve three (25), an electric hoist body (27) is fixedly mounted on the other end of the rotating rod (26), a hook (28) is fixedly mounted on one side of the electric hoist body (27), a connecting rope (29) is provided on one side of the hook (28), and the connecting rope (29) passes through the pulley piece one (19) and the pulley piece two (21) and is fixedly mounted on the pulley piece three (24).

4. The quick-detachable loading and unloading frame for tower crane according to claim 3, characterized in that: The reinforcing plate (8) is plug-connected and installed with the limiting plate (5) through the second plug-in hole (9), and the fixing bolt (10) passes through the limiting plate (5) and the reinforcing plate (8).

5. The quick-detachable loading and unloading frame for tower crane according to claim 4, characterized in that: The cross section of the reinforcing plate (8) is in a "triangular" structure, and four identical reinforcing plates (8) are provided, and the four reinforcing plates (8) are distributed in a ring shape with respect to the supporting column (4).

6. The quick-detachable loading and unloading frame for tower crane according to claim 5, characterized in that: A second fixing sleeve (14) is fixedly mounted on the outside of the connecting rod (11); a plug-in slot (15) is provided on one side of the second fixing sleeve (14); a plug-in block (16) is arranged inside the plug-in slot (15); a second limiting plate (17) is fixedly mounted on the top of the plug-in block (16); a motor (18) is fixedly mounted on one side of the second limiting plate (17); a pulley member (19) is fixedly mounted on the output shaft of the motor (18); and the plug-in slot (15) is adapted to the plug-in block (16).

7. The quick-detachable loading and unloading frame for tower crane according to claim 6, characterized in that: The fixing sleeve three (25) is matched with the rotating rod (26), and the rotating range of the rotating rod (26) is 0° to 90°.

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