Telescopic beam supporting structure
By designing a telescopic beam support structure including main beam, support beam, fixing mechanism and sliding lifting mechanism, the problem of troublesome and easy fall off of the bracket fixing device of the hanging crane is solved, and stable support and efficient lifting transportation are achieved.
Patent Information
- Application Number
- CN202421946573.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-13
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-08-13
AI Technical Summary
The fixing method of the bracket fixing device of existing suspended cranes is more troublesome, and simple fixing devices are prone to fall off, which poses a risk of the crane falling off.
A telescopic beam support structure is designed, including a main beam, a first support beam, a second support beam, a fixing mechanism and a sliding lifting mechanism. Through the fastening structure of bolts and combination plates, stable support is achieved, and linear transport of lifting objects is achieved through the sliding lifting mechanism.
This structure simplifies the fixing process of the bracket, reduces the time for repair and replacement, improves the stability of the bracket, and avoids the risk of crane drop.
Smart Images

Figure CN222860977U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field related to crane brackets, and in particular to a telescopic beam supporting structure. Background Art
[0002] In order not to affect the operation, when a work area does not allow any supporting structure, a flexible and lightweight composite beam suspension crane is a perfect choice. This crane system requires a roof structure that can withstand sufficient strength and safely support the crane load. Customers can install multiple main beams on a set of fixed rails, which greatly improves production efficiency. This type of product is a steel structure with a maximum lifting weight of two thousand kilograms and a total main beam length of ten meters. Compared with traditional beam cranes, the closed rail design uses only one-third of the force used for transportation. The truss rail design makes the span larger and the installation layout more flexible. However, the fixing devices of the brackets of most existing suspension cranes are more troublesome to fix, and the fixing devices with simpler fixing methods are easy to fall off, which will cause the crane to fall and cause danger. Therefore, a telescopic beam support structure is particularly needed.
[0003] However, the fixing methods of the brackets of most existing suspension cranes are rather cumbersome, and it takes a lot of time to repair or replace the suspension cranes for small factories or households. The fixing devices with simpler fixing methods and easy disassembly are easy to fall off, which may cause the crane trolley or main support beam to fall and cause losses. Utility Model Content
[0004] The purpose of the utility model is to provide a telescopic beam supporting structure to solve the problem that the fixing method of the fixing device of the bracket of most existing suspension cranes proposed in the above-mentioned background technology is rather cumbersome, and a large amount of time is required to repair or replace the suspension crane when used in a small factory or household, while the fixing device with a simpler fixing method and easy disassembly is easy to fall off, which may cause the crane trolley or the main supporting beam to fall and cause losses.
[0005] To achieve the above object, the utility model provides the following technical solution: a telescopic beam support structure, comprising a main beam, a first support beam is installed on the outer surface of the main beam, a second support beam is installed on the outer surface of the main beam, a fixing mechanism is provided on the outer surface of the main beam, and a sliding lifting mechanism is provided on the inner surface of the first support beam;
[0006] The fixing mechanism includes a first bolt, a first combined plate, a second bolt, a fixing column, a third bolt, a second combined plate, a fourth bolt, a fifth bolt, a third combined plate and a sixth bolt. The upper surface of the main beam is threadedly connected with the first bolt, the outer surface of the main beam is threadedly connected with the first combined plate, the outer surface of the first combined plate is threadedly connected with the second bolt, the outer surface of the first combined plate is fixedly connected with the fixing column, the outer surface of the first combined plate is threadedly connected with the third bolt, the lower surface of the first combined plate is threadedly connected with the second combined plate, the inner surface of the second support beam is threadedly connected with the fourth bolt, the outer surface of the main beam is threadedly connected with the fifth bolt, the outer surface of the main beam is threadedly connected with the third combined plate, and the outer surface of the third combined plate is threadedly connected with the sixth bolt.
[0007] Preferably, the outer wall size of the first bolts matches the inner wall size of the main beam, and the first bolts are distributed at equal intervals on one side surface of the main beam.
[0008] Preferably, the outer wall size of the second bolts matches the inner wall size of the main beam, and the second bolts are distributed at equal intervals on one side surface of the main beam.
[0009] Preferably, the outer wall size of the fifth bolts matches the inner wall size of the main beam, and the fifth bolts are distributed at equal intervals on one side surface of the main beam.
[0010] Preferably, the sliding lifting mechanism includes a first limit block, a protective plate, a running wheel, a motor, a second limit block, an electric hoist, an oil wire rope, a rope guide, a rotating shaft and a hook pulley. The inner surface of the first support beam is snap-connected with the first limit block, the outer surface of the first limit block is threadedly connected with the protective plate, the outer surface of the protective plate is mounted with a running wheel, the outer surface of the protective plate is mounted with a motor, the inner surface of the second support beam is snap-connected with the second limit block, the outer surface of the protective plate is fixedly connected with the electric hoist, the inner surface of the electric hoist is mounted with an oil wire rope, the inner surface of the electric hoist is fixedly connected with the rope guide, the outer surface of the protective plate is mounted with a rotating shaft, and the outer side of the rotating shaft is mounted with a hook pulley.
[0011] Preferably, the inner wall size of the first support beam matches the outer wall size of the first limit block, and the first support beam and the first limit block form a snap-fit structure.
[0012] Preferably, the outer wall size of the rotating shaft matches the inner wall size of the hook pulley, and the rotating shaft and the hook pulley form a snap-fit structure.
[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the telescopic beam supporting structure, through the arrangement of the main beam, the first supporting beam, the second supporting beam, the fixing mechanism and the sliding lifting mechanism, when it needs to be fixed, it is necessary to first align the bolt holes on the first combination plate with the bolt holes on the main beam, and then use a tool to install the first bolt and the second bolt, and then align the holes above the second combination plate with the holes below the first combination plate and install the third bolt, and then align the holes below the second combination plate with the holes above the third combination plate and install the fifth bolt and the sixth bolt, and then align the upper holes of the third combination plate with the lower holes of the first supporting beam and the second supporting beam and install the fourth bolt, after all the bolts are installed, repeat the above operation for the other end of the main beam, and finally insert the fixing column into the supporting frame required for the construction, and when it is necessary to lift the object and transport it to the specified position in a straight line, it is necessary to first pull out the wire rope from the rope arranger to the hoist The hook pulley is put on, and a hook is installed on the hook pulley, so that the wire rope can be controlled to lift the hook by rotating the hook pulley, and then each motor is started and the speed of the motor is operated by an external operating device. The wire rope inside the electric hoist is discharged or retracted by the rope arranger through the operation of the motor connected to the outside of the electric hoist, and then the motor connected to the outside of the hook pulley also operates and rotates the hook pulley, so that the wire rope on the hook pulley is rolled up or released, and then the lifting and lowering of the hook can be controlled by continuously controlling the two motors. After the hook is dropped, cargo is hung on it, and then the two motors are controlled to lift it to a certain height, and then the motor connected to the outside of the running wheel is controlled to work, so that the running wheel rolls forward or backward on the main beam, and drives the protective plate and the lower device and cargo to the designated position, and if it is not stopped in time during control, each limit block will also support the front end of the supporting beam to prevent collision or excessive distance from damaging the protective plate, running wheel and electric hoist. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the overall appearance structure of the utility model;
[0015] Figure 2 This is a schematic diagram of the fixing mechanism structure of the utility model;
[0016] Figure 3 This is a schematic diagram of the structure of the sliding lifting mechanism of the utility model;
[0017] Figure 4 This is a schematic diagram of the structure of the first support beam and the second support beam of the utility model in cooperation with each other.
[0018] In the figure: 1. main beam; 2. first supporting beam; 3. second supporting beam; 4. fixing mechanism; 401. first bolt; 402. first combination plate; 403. second bolt; 404. fixing column; 405. third bolt; 406. second combination plate; 407. fourth bolt; 408. fifth bolt; 409. third combination plate; 410. sixth bolt; 5. sliding lifting mechanism; 501. first limit block; 502. protective plate; 503. running wheel; 504. motor; 505. second limit block; 506. electric hoist; 507. wire oil rope; 508. rope arranger; 509. rotating shaft; 510. hook pulley. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] See also Figure 1-4 The utility model provides a technical solution: a telescopic beam support structure, comprising a main beam 1, a first support beam 2 is installed on the outer surface of the main beam 1, a second support beam 3 is installed on the outer surface of the main beam 1, a fixing mechanism 4 is arranged on the outer surface of the main beam 1, and a sliding lifting mechanism 5 is arranged on the inner surface of the first support beam 2;
[0021] The fixing mechanism 4 includes a first bolt 401, a first combination plate 402, a second bolt 403, a fixing column 404, a third bolt 405, a second combination plate 406, a fourth bolt 407, a fifth bolt 408, a third combination plate 409 and a sixth bolt 410. The upper surface of the main beam 1 is threadedly connected with the first bolt 401, the outer surface of the main beam 1 is threadedly connected with the first combination plate 402, the outer surface of the first combination plate 402 is threadedly connected with the second bolt 403, the outer surface of the first combination plate 402 is fixedly connected with the fixing column 404, the outer surface of the first combination plate 402 is threadedly connected with the third bolt 405, the lower surface of the first combination plate 402 is threadedly connected with the second combination plate 406, the inner surface of the second support beam 3 is threadedly connected with the fourth bolt 407, the outer surface of the main beam 1 is threadedly connected with the fifth bolt 408, the outer surface of the main beam 1 is threadedly connected with the third combination plate 409, and the outer surface of the third combination plate 409 is threadedly connected with the sixth bolt 410. The arrangement of the bolt 401, the first assembly plate 402, the second bolt 403, the fixing column 404, the third bolt 405, the second assembly plate 406, the fourth bolt 407, the fifth bolt 408, the third assembly plate 409 and the sixth bolt 410, when it is necessary to fix it, first align the bolt hole position on the first assembly plate 402 with the bolt hole position on the main beam 1, then use a tool to install the first bolt 401 and the second bolt 403, and then align the hole position above the second assembly plate 406 with the hole position on the first assembly plate 406. Align the holes at the bottom of the plate 402 and install the third bolt 405, then align the holes at the bottom of the second combined plate 406 with the holes at the top of the third combined plate 409 and install the fifth bolt 408 and the sixth bolt 410, then align the upper holes of the third combined plate 409 with the lower holes of the first support beam 2 and the second support beam 3 and install the fourth bolt 407. After all the bolts are installed, repeat the above operations on the other end of the main beam 1, and finally insert the fixing column 404 into the support frame required for construction.
[0022] Furthermore, the outer wall size of the first bolt 401 is consistent with the inner wall size of the main beam 1, and the first bolts 401 are evenly spaced on one side surface of the main beam 1. By setting the first bolts 401, the main beam 1 and the first combination plate 402 can be threadedly installed more tightly.
[0023] Furthermore, the outer wall size of the second bolts 403 is consistent with the inner wall size of the main beam 1, and the second bolts 403 are evenly spaced on the surface of one side of the main beam 1. By setting the second bolts 403, they can be more firmly installed on the main beam 1.
[0024] Furthermore, the outer wall size of the fifth bolt 408 is consistent with the inner wall size of the main beam 1, and the fifth bolt 408 is evenly spaced on the surface of one side of the main beam 1. Through the setting of the fifth bolt 408, the threaded installation of the third combination plate 409 and the main beam 1 can be tightened.
[0025] Furthermore, the sliding hoisting mechanism 5 includes a first limit block 501, a protective plate 502, a running wheel 503, a motor 504, a second limit block 505, an electric hoist 506, a steel wire rope 507, a rope arrangement device 508, a rotating shaft 509 and a hook pulley 510. The inner surface of the first support beam 2 is engaged with the first limit block 501, the outer surface of the first limit block 501 is threadedly connected with the protective plate 502, the outer surface of the protective plate 502 is installed with a running wheel 503, the outer surface of the protective plate 502 is installed with a motor 504, and the inner surface of the second support beam 3 is engaged with the second limit block 501. 5. The outer surface of the protective plate 502 is fixedly connected with an electric hoist 506, the inner surface of the electric hoist 506 is installed with a wire oil rope 507, the inner surface of the electric hoist 506 is fixedly connected with a rope arrangement device 508, the outer surface of the protective plate 502 is installed with a rotating shaft 509, and the outer side of the rotating shaft 509 is installed with a hook pulley 510. Through the arrangement of the first limit block 501, the protective plate 502, the running wheel 503, the motor 504, the second limit block 505, the electric hoist 506, the wire oil rope 507, the rope arrangement device 508, the rotating shaft 509 and the hook pulley 510, when it is necessary to lift an object and directly When the line is transported to the specified position, the oil wire rope 507 must be pulled out from the rope arrangement device 508 and put on the hook pulley 510, and the hook must be installed on the hook pulley 510, so that the oil wire rope 507 can control the lifting of the hook by rotating the hook pulley 510, and then start each motor 504 and operate the speed of the motor 504 through the external operating device, and the oil wire rope 507 inside the electric hoist 506 is discharged or retracted by the rope arrangement device 508 through the operation of the motor 504 connected to the electric hoist 506, and then the motor 504 connected to the hook pulley 510 also operates and rotates the hook pulley 510, so that the hook pulley The steel wire rope 507 on 510 is rolled up or released, and then the lifting and lowering of the hook can be controlled by continuously controlling the two motors 504. After the hook is lowered, cargo is hung on it, and then the two motors 504 are controlled to lift it to a certain height, and then the motor 504 connected to the running wheel 503 is controlled to work, so that the running wheel 503 rolls forward or backward on the main beam 1, and drives the protective plate 502 and the lower device and cargo to the designated position. If the control is not stopped in time, each limit block will also support the front end of the supporting beam to prevent collision or too tight distance from damaging the protective plate 502, the running wheel 503 and the electric hoist 506.
[0026] Furthermore, the inner wall size of the first support beam 2 matches the outer wall size of the first limit block 501, and the first support beam 2 and the first limit block 501 form a snap-fit structure. The setting of the first limit block 501 can prevent the first limit block 501 from falling out and causing losses.
[0027] Furthermore, the outer wall size of the rotating shaft 509 is consistent with the inner wall size of the hook pulley 510, and the rotating shaft 509 and the hook pulley 510 form a snap-fit structure. Through the setting of the hook pulley 510, it can be more tightly installed on the rotating shaft 509 and rotate therewith.
[0028] Working principle: When it is necessary to fix it, first align the bolt holes on the first assembly plate 402 with the bolt holes on the main beam 1, then use a tool to install the first bolt 401 and the second bolt 403, then align the holes above the second assembly plate 406 with the holes below the first assembly plate 402 and install the third bolt 405, then align the holes below the second assembly plate 406 with the holes above the third assembly plate 409 and install the fifth bolt 408 and the sixth bolt 410, and then fix the third assembly plate The upper hole of 409 is aligned with the lower hole of the first support beam 2 and the second support beam 3 and the fourth bolt 407 is installed. After all the bolts are installed, the above operation is repeated for the other end of the main beam 1. Finally, the fixing column 404 is inserted into the support frame required for the construction. When it is necessary to lift the object and transport it to the specified position in a straight line, it is necessary to first pull out the wire rope 507 from the rope arrangement device 508 and put it on the hook pulley 510, and install a hook on the hook pulley 510 so that the wire rope 507 can pass through the hook pulley 510. The hook is raised or lowered by rotating the hook, and then the motors 504 are started and the speed of the motors 504 is controlled by the external operating device. The motors 504 connected to the electric hoist 506 operate to discharge or retract the wire rope 507 inside the electric hoist 506 by the rope arrangement device 508. Then the motors 504 connected to the hook pulley 510 also operate and rotate the hook pulley 510, so that the wire rope 507 on the hook pulley 510 is rolled up or released. Then, by continuously controlling the two motors 504 , you can control the lifting and lowering of the hook. After the hook is lowered, hang the cargo on it, and then control the two motors 504 to lift it to a certain height, and then control the motor 504 connected to the running wheel 503 to work, so that the running wheel 503 rolls forward or backward on the main beam 1, and drives the protective plate 502 and the lower device and cargo to the designated position. If the control is not stopped in time, the limit blocks will also support the front end of the supporting beam to prevent collision or too close distance from damaging the protective plate 502, the running wheel 503 and the electric hoist 506.
[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A telescopic beam support structure, comprising a main beam (1), characterized in that: A first support beam (2) is mounted on the outer surface of the main beam (1), a second support beam (3) is mounted on the outer surface of the main beam (1), a fixing mechanism (4) is arranged on the outer surface of the main beam (1), and a sliding lifting mechanism (5) is arranged on the inner surface of the first support beam (2); The fixing mechanism (4) comprises a first bolt (401), a first combination plate (402), a second bolt (403), a fixing column (404), a third bolt (405), a second combination plate (406), a fourth bolt (407), a fifth bolt (408), a third combination plate (409) and a sixth bolt (410); the upper surface of the main beam (1) is threadedly connected with the first bolt (401); the outer surface of the main beam (1) is threadedly connected with the first combination plate (402); the outer surface of the first combination plate (402) is threadedly connected with the second bolt (403); The outer surface of the plate (402) is fixedly connected to a fixing column (404), the outer surface of the first combined plate (402) is threadedly connected to a third bolt (405), the lower surface of the first combined plate (402) is threadedly connected to a second combined plate (406), the inner surface of the second support beam (3) is threadedly connected to a fourth bolt (407), the outer surface of the main beam (1) is threadedly connected to a fifth bolt (408), the outer surface of the main beam (1) is threadedly connected to a third combined plate (409), and the outer surface of the third combined plate (409) is threadedly connected to a sixth bolt (410).
2. A telescopic beam support structure according to claim 1, characterized in that: The outer wall dimensions of the first bolts (401) match the inner wall dimensions of the main beam (1), and the first bolts (401) are distributed at equal intervals on a surface of one side of the main beam (1).
3. The telescopic beam support structure according to claim 1, characterized in that: The outer wall dimensions of the second bolts (403) match the inner wall dimensions of the main beam (1), and the second bolts (403) are distributed at equal intervals on a surface of one side of the main beam (1).
4. The telescopic beam support structure according to claim 1, characterized in that: The outer wall dimensions of the fifth bolts (408) match the inner wall dimensions of the main beam (1), and the fifth bolts (408) are distributed at equal intervals on a surface of one side of the main beam (1).
5. The telescopic beam support structure according to claim 1, characterized in that: The sliding hoisting mechanism (5) comprises a first limit block (501), a protective plate (502), a running wheel (503), a motor (504), a second limit block (505), an electric hoist (506), a steel wire rope (507), a rope guide (508), a rotating shaft (509) and a hook pulley (510); the first limit block (501) is snap-connected to the inner surface of the first support beam (2); the protective plate (502) is threadedly connected to the outer surface of the first limit block (501); the running wheel (503) is installed on the outer surface of the protective plate (502); A motor (504) is installed on the outer surface of the protective plate (502), a second limit block (505) is snap-connected to the inner surface of the second support beam (3), an electric hoist (506) is fixedly connected to the outer surface of the protective plate (502), a steel wire oil rope (507) is installed on the inner surface of the electric hoist (506), a rope guide (508) is fixedly connected to the inner surface of the electric hoist (506), a rotating shaft (509) is installed on the outer surface of the protective plate (502), and a hook pulley (510) is installed on the outer side of the rotating shaft (509).
6. A telescopic beam support structure according to claim 5, characterized in that: The inner wall size of the first support beam (2) matches the outer wall size of the first limit block (501), and the first support beam (2) and the first limit block (501) form a snap-fit structure.
7. The telescopic beam support structure according to claim 5, characterized in that: The outer wall size of the rotating shaft (509) matches the inner wall size of the hook pulley (510), and the rotating shaft (509) and the hook pulley (510) form a snap-fit structure.