Sleeve frame guide device for tower crane

Abstract

The utility model relates to the technical field of tower crane stock guide, and provides a stock guide device for a tower crane, which is characterized in that a jacking component is arranged at the bottom of a mounting plate, and when a second support frame is preassembled in a mounting groove, a cylinder can be started to enable a telescopic end of the cylinder to drive a top seat to jack upwards, so that the second support frame is mounted in the mounting groove; at the moment, driven seats located on the periphery of the top seat can be synchronously and horizontally pushed at the top of the mounting plate so as to abut against the clamping plate, and the driven seats and the clamping plate can be driven to be synchronously pushed into the mounting plate until a first tooth groove in the side face of the clamping plate is clamped to a second tooth groove in the lower portion of the inner wall of a second supporting frame along with continuous upward jacking of the telescopic end of the air cylinder; compared with a comparison file, the quick fixing work between the first supporting frame and the second supporting frame can be completed without fixing parts such as external bolts, the time consumption of the installation process is reduced, and meanwhile the first supporting frame and the second supporting frame can be conveniently and quickly disassembled in the later period.

Description

Technical Field

[0001] The utility model relates to the technical field of tower crane slewing frame guiding, and specifically, to a slewing frame guiding device for a tower crane. Background Technique

[0002] The main function of the tower crane slewing frame is to assist the lifting of the tower crane. During the lifting operation of the tower crane, the slewing frame serves as an external support structure to help stabilize the entire hoisting machinery and prevent it from tilting or becoming unstable during the lifting process. In addition, the slewing frame can also provide additional strength and stiffness, enhancing the overall structural stability of the tower crane and ensuring the safety and reliability of the tower crane under extreme working conditions.

[0003] After retrieval, the patent with publication number CN214192350U discloses a tower crane slewing frame structure, which includes a first support frame and a second support frame. Oppositely and symmetrically fixed to the outer walls on both sides of the first support frame are first connecting sleeves, and oppositely and symmetrically fixed to the outer walls on both sides of the second support frame are second connecting sleeves; in this utility model, by providing devices such as a first connecting crossbar, a second connecting crossbar, a support rod, and a connecting frame, a support rod is arranged between the first connecting crossbar and the second connecting crossbar, and the support rod, the first connecting crossbar, and the second connecting crossbar form an integral support frame structure, which is installed on the first support frame and the second support frame through fixing screws to increase the integrity of the support frame. At the same time, the connecting frame is used to connect the four groups of support frames in pairs to enhance the connection strength between the first support frame and the second support frame. This device has a simple structure and is convenient and practical.

[0004] In the above-mentioned tower crane slewing frame structure, after docking the two groups of support frames up and down, the fixing bolts are sequentially passed through the first connecting sleeve and the second connecting sleeve and locked by the fixing bolts. However, since this design requires sequentially screwing multiple bolt nuts, the connection of each support frame and the subsequent disassembly work process will take a long time. Content of the Utility Model

[0005] The utility model provides a slewing frame guiding device for a tower crane, which solves the problem in the prior art that multiple bolt nuts need to be sequentially screwed to complete the fixing of the support frame, so the connection of each support frame and the subsequent disassembly work process will take a long time.

[0006] The technical solution of the present utility model is as follows: A guiding device for a tower crane slewing frame, comprising a first support frame, the first support frame is fixedly connected with first reinforcing ribs obliquely at equal intervals around the perimeter, the top of the first support frame is fixedly connected with a mounting plate, the bottom of the mounting plate is fixedly connected with a cylinder bracket in the middle, a jacking assembly is fixedly installed in the cylinder bracket, four groups of driven assemblies are arranged in a ring shape on the top of the mounting plate, the driven assembly includes a driven seat that can be lifted vertically by the jacking assembly and then slide horizontally, mounting grooves are formed around the top of the mounting plate, the mounting plate is provided with a second support frame in the mounting grooves, the second support frame is fixedly connected with second reinforcing ribs obliquely at equal intervals around the perimeter, and a clamping assembly is arranged in each mounting plate, the clamping assembly includes a clamping plate that clamps and installs the second support frame by being horizontally pushed by the driven seat.

[0007] Preferably, the jacking assembly includes a cylinder body, and the cylinder body is fixedly installed at the cylinder bracket.

[0008] Preferably, the jacking assembly further includes a top seat, the top seat is matched with the size of the through slot formed in the middle of the mounting plate, and slope grooves are formed at the top of the peripheral side of the top seat.

[0009] Preferably, the driven assembly further includes a roller, the roller is rotatably connected to the side of the driven seat, and the roller corresponds to the position of the slope groove.

[0010] Preferably, the driven assembly further includes a limit seat, the limit seat is arranged outside the driven seat and the bottom of the limit seat is fixedly connected to the mounting plate, and the driven seat is slidably connected to the through slot formed in the middle of the limit seat.

[0011] Preferably, the clamping assembly further includes a bottom support, the bottom support is fixedly connected to the bottom of the mounting plate, a second mounting sleeve is fixedly connected to the top of the bottom support, the clamping assembly further includes a first mounting sleeve, the first mounting sleeve is fixedly connected to the side of the clamping plate, and the clamping assembly further includes a spring, and the spring is elastically connected to the connection between the second mounting sleeve and the first mounting sleeve.

[0012] Preferably, the clamping assembly further includes a first tooth groove, and the first tooth groove is formed on the side of the clamping plate.

[0013] Preferably, a second tooth groove is formed at the bottom inside the second support frame, and the second tooth groove is matched with the first tooth groove.

[0014] The beneficial effects of the present utility model are:

[0015] The utility model is provided with a jacking assembly at the bottom of the mounting plate. When the second support frame is pre-installed in the mounting groove, the telescopic end of the cylinder body can be driven by starting the cylinder body to jack up the top seat. At this time, the driven seats around the top seat will synchronously push horizontally on the top of the mounting plate and then press against the clamping plate. As the telescopic end of the cylinder body continues to jack up, it can drive the driven seats and the clamping plate to synchronously push into the mounting plate until the first tooth groove on the side of the clamping plate is clamped at the second tooth groove at the lower part of the inner wall of the second support frame. Compared with the comparative document, this design can complete the rapid fixation between the first support frame and the second support frame without external fixing parts such as bolts, reducing the time-consuming of the installation process and facilitating the rapid disassembly of the two in the later stage. Brief Description of the Drawings

[0016] The following further elaborates on the present utility model in conjunction with the drawings and specific embodiments.

[0017] Figure 1 It is a front view schematic diagram of the overall device of the present utility model;

[0018] Figure 2 It is a schematic diagram of the second support frame of the present utility model;

[0019] Figure 3 It is Figure 2 an enlarged view of area A;

[0020] Figure 4 It is a schematic diagram of the jacking assembly of the present utility model;

[0021] Figure 5 It is a schematic diagram of the side bottom of the first support frame of the present utility model;

[0022] Figure 6 It is a schematic diagram of the side top of the mounting plate of the present utility model;

[0023] Figure 7 It is a schematic diagram of the driven assembly of the present utility model;

[0024] Figure 8 It is a schematic diagram of the clamping assembly of the present utility model;

[0025] In the figure: 1. First support frame; 11. First reinforcing rib; 12. Cylinder bracket; 13. Mounting plate; 131. Mounting groove; 2. Second support frame; 21. Second reinforcing rib; 22. Second tooth groove; 3. Jacking assembly; 31. Cylinder body; 32. Top seat; 321. Slope groove; 4. Driven assembly; 41. Driven seat; 411. Roller; 42. Limit seat; 5. Clamping assembly; 51. Clamping plate; 511. First tooth groove; 512. First mounting sleeve; 52. Bottom support; 521. Second mounting sleeve; 53. Spring. Specific Embodiments

[0026] Next, in combination with the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

[0027] Please refer to Figure 1 and Figure 6 , the present invention provides a technical solution: a sleeve guiding device for a tower crane, including a first support frame 1. The first support frame 1 is fixedly connected with first reinforcing ribs 11 obliquely at equal intervals around the perimeter. The top of the first support frame 1 is fixedly connected with a mounting plate 13. The bottom of the mounting plate 13 is fixedly connected with a cylinder bracket 12 in the middle. A tightening assembly 3 is fixedly installed in the cylinder bracket 12. Four groups of driven assemblies 4 are arranged in a ring shape on the top of the mounting plate 13. The driven assembly 4 includes a driven seat 41 that can be vertically lifted by the tightening assembly 3 and then horizontally slide. Installation grooves 131 are opened around the perimeter of the top of the mounting plate 13. The mounting plate 13 installs a second support frame 2 in the installation grooves 131. The second support frame 2 is fixedly connected with second reinforcing ribs 21 obliquely at equal intervals around the perimeter. A clamping assembly 5 is arranged in each mounting plate 13. The clamping assembly 5 includes a clamping plate 51 that clamps and installs the second support frame 2 as the driven seat 41 is horizontally pushed. Through this design, the problem in the prior art that multiple bolts and nuts need to be sequentially tightened to complete the fixing of the support frame, resulting in a long time-consuming process for connecting and subsequent removing of each support frame, is solved.

[0028] Please refer to Figure 4 , the tightening assembly 3 includes a cylinder body 31, and the cylinder body 31 is fixedly installed at the cylinder bracket 12. The tightening assembly 3 further includes a top seat 32. The top seat 32 matches the size of the through slot in the middle of the mounting plate 13. Slope grooves 321 are opened at the top of the four sides of the top seat 32. The telescopic end of the cylinder body 31 can drive the top seat 32 to perform the upward pushing work.

[0029] Please refer to Figure 1 , the driven assembly 4 further includes a roller 411. The roller 411 is rotatably connected to the side of the driven seat 41, and the roller 411 corresponds to the position of the slope groove 321. Through this design, the horizontal movement process of the driven seat 41 can be made smoother as the top seat 32 is lifted upward.

[0030] Please refer to Figure 7 , the driven assembly 4 further includes a limit seat 42. The limit seat 42 is arranged outside the driven seat 41 and the bottom of the limit seat 42 is fixedly connected to the mounting plate 13. The driven seat 41 is slidably connected in the through slot in the middle of the limit seat 42. Through this design, the lateral position deviation of the driven seat 41 during the movement process can be avoided.

[0031] See also Figure 8 The clamping assembly 5 also includes a bottom support 52, which is fixedly connected to the bottom of the mounting plate 13, and a second mounting sleeve 521 is fixedly connected to the top of the bottom support 52. The clamping assembly 5 also includes a first mounting sleeve 512, and the first mounting sleeve 512 is fixedly connected to the side of the clamping plate 51. The clamping assembly 5 also includes a spring 53, which is elastically connected at the connection between the second mounting sleeve 521 and the first mounting sleeve 512. Through this design, when the top seat 32 moves downward with the cylinder body 31, the clamping plate 51 can be reset under the elastic action of the spring 53 and push the driven seat 41 to reset to its initial position.

[0032] See also Figure 3 and Figure 8 The clamping assembly 5 also includes a first tooth groove 511, which is opened on the side of the clamping plate 51, and a second tooth groove 22 is opened at the bottom inner side of the second supporting frame 2, and the second tooth groove 22 matches the first tooth groove 511. Through this design, the second supporting frame 2 can be installed more firmly on the top of the first supporting frame 1.

[0033] The working principle and use process of the utility model are as follows:

[0034] When the second support frame 2 is to be installed, the second support frame 2 is placed on the mounting plate 13 at the mounting groove 131, and then the cylinder body 31 is started so that the telescopic end of the cylinder body 31 drives the top seat 32 to move up. At this time, the driven seat 41 located around the top seat 32 will be synchronously pushed horizontally on the top of the mounting plate 13 and then support the clamping plate 51. As the telescopic end of the cylinder body 31 continues to push up, it can drive the driven seat 41 and the clamping plate 51 to be synchronously pushed into the mounting plate 13 until the first tooth groove 511 on the side of the clamping plate 51 is clamped to the second tooth groove 22 at the lower part of the inner wall of the second support frame 2. The above completes the fixed installation of the first support frame 1 and the second support frame 2. In particular, when the second support frame 2 needs to be removed from the first support frame 1, the cylinder body 31 is started in the same way so that the telescopic end of the cylinder body 31 drives the top seat 32 to move down. At this time, the clamping plate 51 is reset under the elastic action of the spring 53 and the first tooth groove 511 is disengaged from the second tooth groove 22. At this time, the second support frame 2 can be taken out from the mounting plate 13.

[0035] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A casing guide device for a tower crane, comprising a first support frame (1), characterized in that: The first support frame (1) is obliquely fixedly connected with first reinforcing ribs (11) at equal intervals around the periphery; the first support frame (1) is fixedly connected with a mounting plate (13) at the top; a cylinder bracket (12) is fixedly connected at the center of the bottom of the mounting plate (13); a tightening assembly (3) is fixedly installed inside the cylinder bracket (12); four groups of driven assemblies (4) are arranged in a ring shape at the top of the mounting plate (13); the driven assemblies (4) include driven assemblies that can be lifted vertically with the tightening assembly (3) and then slide horizontally The mounting plate (13) is provided with a mounting groove (131) on the top and the periphery thereof; a second supporting frame (2) is mounted on the mounting plate (13) in the mounting groove (131); second reinforcing ribs (21) are fixedly connected to the second supporting frame (2) at equal intervals and in an oblique direction; each mounting plate (13) is provided with a clamping assembly (5); the clamping assembly (5) comprises a clamping plate (51) which is horizontally pushed by the follower seat (41) to complete the clamping and mounting of the second supporting frame (2).

2. A guide device for a tower crane according to claim 1, characterized in that: The tightening assembly (3) comprises a cylinder body (31), and the cylinder body (31) is fixedly mounted on a cylinder bracket (12).

3. A guide device for a tower crane according to claim 1, characterized in that: The tightening assembly (3) further comprises a top seat (32), the top seat (32) matching the size of a through slot in the middle of the mounting plate (13), and a sloped groove (321) is provided on the top of the four sides of the top seat (32).

4. A guide device for a tower crane according to claim 1, characterized in that: The driven component (4) further comprises a roller (411), wherein the roller (411) is rotatably connected to a side surface of the driven seat (41), and the position of the roller (411) corresponds to that of the slope groove (321).

5. A guide device for a tower crane according to claim 4, characterized in that: The driven assembly (4) further comprises a limit seat (42), wherein the limit seat (42) is arranged outside the driven seat (41) and the bottom of the limit seat (42) is fixedly connected to the mounting plate (13), and the driven seat (41) is slidably connected to a slot penetrating the middle of the limit seat (42).

6. A guide device for a tower crane according to claim 1, characterized in that: The clamping assembly (5) further comprises a bottom support (52), the bottom support (52) being fixedly connected to the bottom of the mounting plate (13), the top of the bottom support (52) being fixedly connected to a second mounting sleeve (521), the clamping assembly (5) further comprises a first mounting sleeve (512), the first mounting sleeve (512) being fixedly connected to a side surface of the clamping plate (51), and the clamping assembly (5) further comprises a spring (53), the spring (53) being elastically connected to the connection between the second mounting sleeve (521) and the first mounting sleeve (512).

7. A guide device for a tower crane according to claim 1, characterized in that: The clamping assembly (5) further comprises a first tooth groove (511), wherein the first tooth groove (511) is provided on a side surface of the clamping plate (51).

8. The guide device for a tower crane according to claim 1, characterized in that: A second tooth groove (22) is provided at the inner bottom of the second support frame (2), and the second tooth groove (22) matches the first tooth groove (511).

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