Adjustable tower crane attachment inner supporting rod

Through innovative design of the attachment frame assembly, baffle assembly, and internal strut assembly, the problem of numerous internal strut parts for tower crane attachment has been solved, enabling rapid connection, flexible adjustment, and stable operation, reducing production costs, and improving installation efficiency and safety.

CN223547619UActive Publication Date: 2025-11-14HENAN PANGYUAN CONSTR MACHINERY RENTING CO LTD
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Patent Information

Application Number
CN202423037156.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-11-14
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

The existing design of the internal struts attached to tower cranes involves multiple gears, resulting in numerous parts that are inconvenient to maintain and replace, increasing production costs and hindering widespread adoption.

Method used

The design employs an attachment frame assembly, a baffle assembly, and an internal support rod assembly. By utilizing the combination of connecting long bolts, threaded holes, and threaded rods, it achieves quick connection and fixation. Triangular reinforcing blocks disperse stress, and the threaded connection between the internal threaded groove and the long screw rod enables length adjustment. The stop block prevents loosening.

Benefits of technology

It simplifies the installation process, improves installation efficiency and the versatility of the device, enhances the stability and safety of the connection, reduces production costs, and adapts to different tower crane models and installation environments.

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Abstract

The utility model relates to the technical field of building construction, and discloses an adjustable tower crane attachment inner supporting rod which comprises an attachment frame assembly, a connecting profile is arranged on the outer surface of the attachment frame assembly, a baffle assembly is arranged on the outer surface of the attachment frame assembly, and an inner supporting rod assembly is arranged at the other end, away from the attachment frame assembly, of the baffle assembly. The attached frame assembly comprises a lower bottom plate and an upper bottom plate, a limiting block which is in inserted connection with the connecting profile is fixedly installed on the face, close to the lower bottom plate, of the lower bottom plate, and a connecting long bolt which penetrates through the lower bottom plate and extends to the outer surface of the upper bottom plate is in threaded connection between the lower bottom plate and the upper bottom plate. According to the adjustable tower crane attached inner supporting rod, the problem that due to the fact that the sectional dimensions of standard knots of tower cranes of different models are different, attached frame inner supporting rods of different sizes cannot be mutually applied to the tower cranes of different models, and the purchase cost is high can be solved; and the structural member is simple and practical, very convenient to assemble and disassemble, low in cost and capable of being repeatedly used.
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Description

Technical Field

[0001] This utility model relates to the field of building construction technology, specifically to an adjustable tower crane attachment internal support rod. Background Technology

[0002] Currently, with the trend towards conservative tower crane design and users' increasingly higher requirements for tower crane performance, such as sufficient free suspension height after wall attachment, the current wall attachment frame design basically includes internal supports to improve the stress safety of the joints and the overall stability of the tower crane. In addition, tower cranes are used to assist in building construction and are responsible for the transportation of materials. When the tower crane is attached to the building structural column during construction, internal support rods are usually installed in the uppermost attachment frame.

[0003] Chinese Utility Model Patent Publication No. CN 214653173 U discloses a simplified cross-shaped inner support member for a tower crane attachment frame. This simplified cross-shaped inner support member is recyclable and reusable, effectively enhancing the attachment strength of the standard section, improving the attachment safety of the tower crane, and allowing the tower crane attachment position to be not limited to the installation position of the attachment frame. This saves on-site personnel scheduling and reduces the number of attachments, thus reducing costs. Moreover, this utility model can meet the requirements for wall attachment of tower cranes of the same series and working conditions. However, this simplified cross-shaped inner support member for tower crane attachment frames uses multiple gears for coordination, which easily leads to a large number of internal parts in the overall inner support member, making it inconvenient for later maintenance and replacement, and also resulting in poor production costs, making it difficult to promote its use. Summary of the Invention

[0004] The technical problem to be solved by this utility model is to provide an adjustable tower crane attachment inner support rod, which can effectively solve the problem that the existing technology uses multiple gears to cooperate, which easily leads to a large number of internal parts in the overall inner support rod, making it inconvenient for later maintenance and replacement, and also resulting in poor production costs and difficulty in popularization and use.

[0005] The technical solution adopted by this utility model is: an adjustable tower crane attachment inner support rod, including an attachment frame assembly, a connecting profile is provided on the outer surface of the attachment frame assembly, a baffle assembly is provided on the outer surface of the attachment frame assembly, and an inner support rod assembly is provided at the other end of the baffle assembly away from the attachment frame assembly.

[0006] The attachment frame assembly includes a lower base plate and an upper base plate. A limiting block that is plugged into the connecting profile is fixedly installed on the side of the lower base plate near the lower base plate. A threaded connection between the lower base plate and the upper base plate is a connecting bolt that passes through the lower base plate and extends to the outer surface of the upper base plate.

[0007] Preferably, the baffle assembly includes a support block, and an extension plate is fixedly installed on the side of the support block near the lower base plate and the upper base plate. The outer surface of the extension plate has a threaded hole, which is adapted to the connecting long bolt.

[0008] With the above technical solution, when installing the baffle assembly, first align the extension plate on the support block with the connecting bolt, so that the connecting bolt passes through the threaded hole, and then tighten the nut on the connecting bolt to fix the support block to the attachment frame assembly. When installing the reinforcing block, connect one end to the support block and fix the other end to the attachment frame assembly. By using the cooperation of the connecting bolt and the threaded hole, the baffle assembly and the attachment frame assembly can be quickly connected and fixed. The installation process is simple and convenient, and the installation efficiency is improved.

[0009] Preferably, a reinforcing block is fixedly installed on the outer surface of the support block, the reinforcing block has a triangular cross-section, and the other end of the reinforcing block is fixedly installed with the attachment frame assembly.

[0010] Through the above technical solutions, the triangular reinforcing block can effectively disperse stress and enhance the load-bearing capacity of the connection between the support block and the attachment frame assembly. When the tower crane is subjected to external forces such as wind and gravity from different directions, it can reduce local stress concentration, avoid structural damage due to weak connection parts, extend the service life of the device, and ensure the safe and reliable operation of the tower crane.

[0011] Preferably, the inner support rod assembly includes a steel pipe, the inner surface of which has an internal threaded groove, and the inner surface of the internal threaded groove is threaded with a long screw rod, the length of which is longer than the length of the internal threaded groove.

[0012] Through the above technical solution, when adjusting the length of the inner strut assembly, the long screw is rotated so that it screws in or out of the inner thread groove of the steel pipe. The length of the long screw extending out of the steel pipe can be changed according to actual needs. The threaded connection method between the inner thread groove and the long screw realizes the flexible adjustment of the length of the inner strut assembly, which can adapt to the requirements of different tower crane models and different installation environments for strut length, and improves the versatility of the device.

[0013] Preferably, the long screw has an internal threaded groove two at the other end away from the steel pipe, and a threaded rod one is threadedly connected to the inner surface of the internal threaded groove two.

[0014] With the above technical solution, when connecting the long screw rod to other components, align the threaded rod one with the internal thread groove two of the long screw rod, and then rotate the threaded rod one to screw it into the internal thread groove two until it is tightened and fixed. When it is necessary to disassemble or replace the component, rotate the threaded rod one in the opposite direction to remove it. The threaded connection between the internal thread groove two and the threaded rod one allows the long screw rod to be easily connected or disassembled with other components. The connection is firm and reliable, and it is not easy for it to loosen during the operation of the tower crane, thus ensuring the stability of the connection between the components.

[0015] Preferably, a connecting sleeve is fixedly installed at the other end of the steel pipe away from the internal thread groove one, and an internal thread groove three is opened on the inner surface of the connecting sleeve, and a threaded rod two is threadedly connected to the inner surface of the internal thread groove three.

[0016] With the above technical solution, when installing the steel pipe and the corresponding connecting parts, first align the threaded rod two with the inner thread groove three of the connecting sleeve, and then rotate the threaded rod two to gradually screw it into the inner thread groove three until a suitable connection tightness is achieved. When adjustment or disassembly is required, simply rotate the threaded rod two in the opposite direction. The threaded connection design of the connecting sleeve and the threaded rod two provides a reliable and convenient connection method for the steel pipe and other components, enabling quick connection and separation, adapting to installation requirements under different working conditions, and improving the installation efficiency of the device.

[0017] Preferably, a stop block 1 is fixedly installed at the other end of the threaded rod 1 away from the steel pipe, and a stop block 2 is fixedly installed at the other end of the threaded rod 2 away from the steel pipe. The cross-sections of the stop block 1 and the stop block 2 are either "square" or "triangular".

[0018] With the above technical solution, after the threaded rod one and threaded rod two are installed, the stop block one and stop block two are fixed in their respective positions. During the operation of the tower crane, the stop block one and stop block two continue to function without additional operation. The setting of the stop block one and stop block two can effectively prevent the threaded rod one and threaded rod two from loosening and coming off due to tower crane vibration, swaying and other reasons after connection. Their specific cross-sectional shape increases the blocking area and stability, further improving the reliability and safety of the connection, ensuring that the tower crane attached internal support rod system can operate stably under complex working conditions, and reducing the risk of safety accidents caused by loose parts.

[0019] Compared with the prior art, this utility model provides an adjustable tower crane attachment inner strut, which has the following beneficial effects:

[0020] 1. This adjustable tower crane attachment internal support rod effectively solves the problem that the different standard section cross-sectional dimensions of different tower crane models result in the incompatibility of internal support rods of different sizes between tower crane models, leading to high procurement costs. In addition, this structural component is simple and practical, easy to assemble and disassemble, low in cost, and reusable.

[0021] 2. The adjustable tower crane attachment inner support rod, through the design of the shapes of the first and second blocks, can be disassembled and its shape changed according to the actual use, which facilitates better fixation and improves its stability. Furthermore, the use of connecting long bolts and threaded holes enables quick connection and fixation of the baffle assembly and the attachment frame assembly, making the installation process simple and convenient and improving installation efficiency. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ;

[0023] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 ;

[0024] Figure 3 This is a schematic diagram showing the disassembled structure of the attachment frame assembly and the baffle assembly of this utility model;

[0025] Figure 4 This is a schematic diagram of the disassembled structure of the attachment frame assembly of this utility model;

[0026] Figure 5 This is a schematic diagram of the first state structure of this utility model;

[0027] Figure 6 This is a schematic diagram of the second state structure of this utility model;

[0028] Figure 7 This is a schematic cross-sectional view of the internal strut assembly of this utility model. Figure 1 ;

[0029] Figure 8 This is a schematic cross-sectional view of the internal strut assembly of this utility model. Figure 2 .

[0030] The components are as follows: 1. Attachment frame assembly; 101. Lower base plate; 102. Upper base plate; 103. Limiting block; 104. Connecting long bolt; 2. Connecting profile; 3. Baffle assembly; 301. Support block; 302. Extension plate; 303. Threaded hole; 304. Reinforcing block; 4. Inner support rod assembly; 401. Steel pipe; 402. Inner threaded groove one; 403. Long screw; 404. Inner threaded groove two; 405. Threaded rod one; 406. Stop block one; 407. Connecting sleeve; 408. Inner threaded groove three; 409. Threaded rod two; 410. Stop block two. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Example 1: As Figure 1-8 As shown, the present invention provides an adjustable tower crane attachment inner support rod, including an attachment frame assembly 1, a connecting profile 2 provided on the outer surface of the attachment frame assembly 1, a baffle assembly 3 provided on the outer surface of the attachment frame assembly 1, and an inner support rod assembly 4 provided at the other end of the baffle assembly 3 away from the attachment frame assembly 1.

[0033] The attachment frame assembly 1 includes a lower base plate 101 and an upper base plate 102. A limiting block 103 is fixedly installed on the side of the lower base plate 101 near the lower base plate 101 and is inserted into the connecting profile 2. A connecting bolt 104 is threaded between the lower base plate 101 and the upper base plate 102, passing through the lower base plate 101 and extending to the outer surface of the upper base plate 102.

[0034] Specifically, the baffle assembly 3 includes a support block 301. An extension plate 302 is fixedly installed on the side of the support block 301 near the lower base plate 101 and the upper base plate 102. The outer surface of the extension plate 302 has a threaded hole 303, which is adapted to the connecting long bolt 104. The advantage is that when installing the baffle assembly 3, the extension plate 302 on the support block 301 is first aligned with the connecting long bolt 104, so that the connecting long bolt 104 passes through the threaded hole 303. Then, the nut is tightened on the connecting long bolt 104 to fix the support block 301 to the attachment frame assembly 1. When installing the reinforcing block 304, one end is connected to the support block 301 and the other end is fixed to the attachment frame assembly 1. By using the cooperation between the connecting long bolt 104 and the threaded hole 303, the baffle assembly 3 and the attachment frame assembly 1 can be quickly connected and fixed. The installation process is simple and convenient, and the installation efficiency is improved.

[0035] Specifically, a reinforcing block 304 is fixedly installed on the outer surface of the support block 301. The reinforcing block 304 has a triangular cross-section. The other end of the reinforcing block 304 is fixedly installed with the attachment frame assembly 1. The advantage is that the triangular reinforcing block 304 can effectively disperse stress and enhance the load-bearing capacity of the connection between the support block 301 and the attachment frame assembly 1. When the tower crane is subjected to external forces such as wind and gravity from different directions, it can reduce local stress concentration, avoid structural damage due to weak connection, extend the service life of the device, and ensure the safe and reliable operation of the tower crane.

[0036] Specifically, the inner strut assembly 4 includes a steel pipe 401. An internal threaded groove 402 is formed on the inner surface of the steel pipe 401. A long screw 403 is threadedly connected to the inner surface of the internal threaded groove 402. The length of the long screw 403 is longer than the length of the internal threaded groove 402. The advantage is that when adjusting the length of the inner strut assembly 4, the long screw 403 can be rotated to screw in or out of the internal threaded groove 402 of the steel pipe 401. The length of the long screw 403 extending out of the steel pipe 401 can be changed according to actual needs. The threaded connection between the internal threaded groove 402 and the long screw 403 allows for flexible adjustment of the length of the inner strut assembly 4, adapting to the requirements of different tower crane models and different installation environments for strut length, thus improving the versatility of the device.

[0037] Example 2: Figure 2-8 As shown, this is an improvement on the previous embodiment.

[0038] Specifically, the end of the long screw 403 furthest from the steel pipe 401 has an internal threaded groove 404. The inner surface of the internal threaded groove 404 is threaded with a threaded rod 405. The advantage is that when connecting the long screw 403 to other components, the threaded rod 405 is aligned with the internal threaded groove 404 of the long screw 403, and then the threaded rod 405 is rotated to screw it into the internal threaded groove 404 until it is tightened and fixed. When it is necessary to disassemble or replace the component, the threaded rod 405 is rotated in the opposite direction to remove it. The threaded connection between the internal threaded groove 404 and the threaded rod 405 makes it easy to connect or disassemble the long screw 403 with other components. The connection is firm and reliable, and it is not easy for it to loosen during the operation of the tower crane, thus ensuring the stability of the connection between the components.

[0039] Specifically, a connecting sleeve 407 is fixedly installed at the other end of the steel pipe 401 away from the internal thread groove 402. The inner surface of the connecting sleeve 407 has an internal thread groove 408, and a threaded rod 409 is threadedly connected to the inner surface of the internal thread groove 408. The advantage is that when installing the steel pipe 401 and the corresponding connecting parts, the threaded rod 409 is first aligned with the internal thread groove 408 of the connecting sleeve 407, and then the threaded rod 409 is rotated to gradually screw into the internal thread groove 408 until a suitable connection tightness is achieved. When adjustment or disassembly is required, the threaded rod 409 can be rotated in the opposite direction. The threaded connection design of the connecting sleeve 407 and the threaded rod 409 provides a reliable and convenient connection method for the steel pipe 401 and other parts, which can quickly realize connection and separation, adapt to the installation requirements under different working conditions, and improve the installation efficiency of the device.

[0040] Specifically, a stop block 406 is fixedly installed at the end of threaded rod 405 away from steel pipe 401, and a stop block 410 is fixedly installed at the end of threaded rod 409 away from steel pipe 401. The cross-sections of stop blocks 406 and 410 are either square or triangular. The advantage is that after threaded rod 405 and 409 are installed, stop blocks 406 and 410 are fixed in their respective positions. During tower crane operation, stop blocks 406 and 410 continue to function without additional operation. The setting of stop blocks 406 and 410 can effectively prevent threaded rod 405 and 409 from loosening and coming off due to tower crane vibration or swaying after connection. Their specific cross-sectional shape increases the blocking area and stability, further improving the reliability and safety of the connection, ensuring the stable operation of the tower crane's attached internal support system under complex working conditions, and reducing the risk of safety accidents caused by loose components.

[0041] Working principle: During use, when installing the baffle assembly 3, first align the extension plate 302 on the support block 301 with the connecting bolt 104, so that the connecting bolt 104 passes through the threaded hole 303. Then, tighten the nut on the connecting bolt 104 to fix the support block 301 to the attachment frame assembly 1. During installation, the reinforcing block 304 is connected at one end to the support block 301 and fixed at the other end to the attachment frame assembly 1. By utilizing the cooperation between the connecting bolt 104 and the threaded hole 303, the baffle assembly 3 and the attachment frame assembly 1 are quickly connected and fixed. The inner support rod assembly is then adjusted. When the length is 4, rotate the long screw 403 to screw it in or out of the internal thread groove 402 of the steel pipe 401. The length of the long screw 403 extending out of the steel pipe 401 can be changed according to actual needs. The threaded connection between the internal thread groove 402 and the long screw 403 allows for flexible adjustment of the length of the inner support rod assembly 4. When connecting the long screw 403 to other components, align the threaded rod 405 with the internal thread groove 404 of the long screw 403, then rotate the threaded rod 405 to screw it into the internal thread groove 404 until it is tightened and fixed. When it is necessary to disassemble or replace components, rotate the threaded rod in the opposite direction. Remove rod 405. The threaded connection between threaded groove 404 and threaded rod 405 allows long screw 403 to be easily connected or disassembled with other components. When installing steel pipe 401 and corresponding connecting parts, first align threaded rod 409 with the internal threaded groove 408 of connecting sleeve 407, then rotate threaded rod 409 to gradually screw it into the internal threaded groove 408 until a suitable connection tightness is achieved. When adjustment or disassembly is required, simply rotate threaded rod 409 in the opposite direction. After installing threaded rod 405 and threaded rod 409, stop block 40... 6 and stop block 2 410 are then fixed in their respective positions. During the operation of the tower crane, stop block 1 406 and stop block 2 410 continue to function without additional operation. The setting of stop block 1 406 and stop block 2 410 can effectively prevent threaded rod 1 405 and threaded rod 2 409 from loosening and coming off due to tower crane vibration, swaying and other reasons after connection. Their specific cross-sectional shape increases the blocking area and stability, further improving the reliability and safety of the connection, ensuring that the tower crane attached internal support system can operate stably under complex working conditions, and reducing the risk of safety accidents caused by loose parts.

[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An adjustable tower crane attachment inner strut, comprising an attachment frame assembly (1), characterized in that: The outer surface of the attachment frame assembly (1) is provided with a connecting profile (2), the outer surface of the attachment frame assembly (1) is provided with a baffle assembly (3), and the other end of the baffle assembly (3) away from the attachment frame assembly (1) is provided with an inner support rod assembly (4); The attachment frame assembly (1) includes a lower base plate (101) and an upper base plate (102). A limiting block (103) is fixedly installed on the side of the lower base plate (101) that is plugged into the connecting profile (2). A connecting bolt (104) is threaded between the lower base plate (101) and the upper base plate (102) and extends through the lower base plate (101) to the outer surface of the upper base plate (102).

2. The adjustable tower crane internal support rod according to claim 1, characterized in that: The baffle assembly (3) includes a support block (301). An extension plate (302) is fixedly installed on the side of the support block (301) near the lower base plate (101) and the upper base plate (102). A threaded hole (303) is opened on the outer surface of the extension plate (302), and the threaded hole (303) is adapted to the connecting bolt (104).

3. An adjustable tower crane internal support rod according to claim 2, characterized in that: A reinforcing block (304) is fixedly installed on the outer surface of the support block (301). The reinforcing block (304) has a triangular cross-section and the other end of the reinforcing block (304) is fixedly installed with the attachment frame assembly (1).

4. An adjustable tower crane internal support rod according to claim 1, characterized in that: The inner support rod assembly (4) includes a steel pipe (401), the inner surface of which is provided with an inner thread groove (402), and the inner surface of the inner thread groove (402) is threaded with a long screw (403), the length of which is longer than the length of the inner thread groove (402).

5. An adjustable tower crane attachment inner strut according to claim 4, characterized in that: The long screw (403) has an internal threaded groove (404) at the other end away from the steel pipe (401), and a threaded rod (405) is threadedly connected to the inner surface of the internal threaded groove (404).

6. An adjustable tower crane attachment inner strut according to claim 5, characterized in that: A connecting sleeve (407) is fixedly installed at the other end of the steel pipe (401) away from the inner thread groove one (402). The inner surface of the connecting sleeve (407) is provided with an inner thread groove three (408), and a threaded rod two (409) is threadedly connected to the inner surface of the inner thread groove three (408).

7. An adjustable tower crane attachment inner strut according to claim 6, characterized in that: The threaded rod one (405) is fixedly installed with a stop block one (406) at the other end away from the steel pipe (401), and the threaded rod two (409) is fixedly installed with a stop block two (410) at the other end away from the steel pipe (401). The cross-section of the stop block one (406) and the stop block two (410) is either a "square" or a "triangle" structure.

Citation Information

Patent Citations

  • Simple cross-shaped inner supporting rod piece of tower crane attachment frame

    CN214653173U