Overturn-preventing device of crane

Abstract

The utility model discloses an anti-overturning device of a crane, which comprises a vertical rod, the vertical rod is arranged on external equipment, a support mechanism is arranged on the vertical rod, the support mechanism comprises a fixed seat, a support leg, a telescopic pipe, a fixed sleeve, a hexagonal sleeve, a middle rod, a clamping rod, a clamping mechanism and an unfastening mechanism, the fixed seat is arranged on the vertical rod, and the telescopic pipe is arranged on the fixed seat. The number of the supporting legs is two, the two supporting legs are rotationally connected to the fixing base, the telescopic pipes are connected into the supporting legs in a sliding mode, hexagonal sleeves are installed on the fixing sleeves, and the supporting mechanism achieves flexible adjustment and stable supporting of the supporting legs through cooperation of the fixing base, the supporting legs, the telescopic pipes, the fixing sleeves, the hexagonal sleeves, middle rods, clamping rods and other assemblies; the fixing base allows the supporting leg to rotate to adapt to different terrains, the length of the supporting leg is adjustable through the design of the telescopic pipe and the clamping rod, the stability of the position of the supporting leg is ensured through the combination of the fixing sleeve and the hexagonal sleeve, and the stability and adaptability of the crane are integrally improved.

Description

Technical Field

[0001] The utility model relates to the technical field of anti-overturning of cranes, and more specifically, to an anti-overturning device of cranes. Background Art

[0002] In the current field of crane technology, anti-overturning devices are key components to ensure the safe operation of cranes. However, existing anti-overturning devices face a significant problem in practical applications. Since cranes need to adjust their stability under different working environments and load conditions, the legs of the anti-overturning device must be able to flexibly move to different positions to adapt to various situations. This requires the legs to have good adjustability and mobility. However, the fixing mechanism design used in the anti-overturning devices of most cranes on the market is relatively complex and cumbersome, and cannot meet the needs of fast and convenient adjustment.

[0003] The complexity of this fixing mechanism directly affects the moving efficiency of the outriggers. Operators often need to spend a lot of time and energy to adjust the outrigger position, and sometimes even need to use special tools to complete the adjustment. This not only reduces work efficiency, but may also affect the timely adjustment and safe operation of the crane in an emergency. In addition, the complex fixing mechanism also increases the difficulty and cost of equipment maintenance. These factors combined seriously affect the convenience of using the crane's anti-overturning device, and to a certain extent restrict the application flexibility of the crane under various complex working conditions. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the problems existing in the prior art, the utility model provides an anti-overturning device for a crane to solve the technical problems mentioned in the background technology.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-overturning device of a crane, comprising a vertical rod, which is installed on an external device, and a supporting mechanism is arranged on the vertical rod, and the supporting mechanism comprises a fixed seat, a leg, a telescopic tube, a fixed sleeve, a hexagonal sleeve, an intermediate rod, a clamping rod, a clamping mechanism and a disengaging mechanism, the fixed seat is installed on the vertical rod, two legs are provided, and the two legs are rotatably connected to the fixed seat respectively, the telescopic tube is slidably connected in the leg, a hexagonal sleeve is installed on the fixed sleeve, the fixed sleeve is threadedly connected to the leg, and the hexagonal sleeve abuts against the leg, a positioning hole is provided in the fixed sleeve, the intermediate rod is slidably connected in the fixed sleeve, a clamping rod is coaxially installed on the intermediate rod, the clamping rod is slidably connected in the positioning hole, a plurality of insertion holes are provided on the telescopic tube, the clamping rod is inserted into the insertion hole, and the clamping mechanism and the disengaging mechanism are respectively installed in the fixed sleeve.

[0008] The utility model is further configured that the clamping mechanism includes an annular sleeve and a push plate, the annular sleeve is installed on the push plate, and the annular sleeve is slidably connected to the fixed sleeve. This design realizes flexible adjustment and stable locking of the clamping mechanism.

[0009] The utility model is further configured such that a plurality of one-way sheets are equidistantly provided on the inner wall of the fixing sleeve, a plurality of annular grooves are equidistantly provided on the side wall of the annular sleeve, and the plurality of one-way sheets are respectively clamped in the annular grooves. This structure enhances the reliability and accuracy of the clamping.

[0010] The utility model is further configured that a spring is provided on the intermediate rod, and the spring is connected to the lower end surface of the push plate. This design provides continuous pressure to ensure the stability of the clamping.

[0011] The utility model is further configured that a receiving sleeve is slidably arranged in the fixing sleeve, a push spring is arranged on the receiving sleeve, and the push spring abuts against the fixing sleeve. This structure increases the buffering capacity and flexibility of the entire mechanism.

[0012] The utility model is further configured such that the unlocking mechanism includes a resistance sleeve and an unlocking disk, the resistance sleeve is slidably connected to the annular sleeve, and the unlocking sleeve is installed on the resistance sleeve, and the unlocking sleeve and the fixed sleeve are coaxially arranged. This design realizes a quick unlocking function and improves operational convenience.

[0013] The utility model is further configured that a lead screw is threadedly provided on each of the two telescopic tubes, a hand wheel is provided at one end of the lead screw, and a top block is provided at the other end of the lead screw, and the top block abuts against the ground. This structure provides precise height adjustment and stable ground support.

[0014] The utility model is further configured that a crane body is arranged on the vertical rod. This design enables the entire anti-overturning device and the crane to form an integral whole, thereby improving the overall stability.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides an anti-overturning device for a crane, which has the following beneficial effects:

[0017] 1. The supporting mechanism realizes flexible adjustment and stable support of the outriggers through the cooperation of components such as the fixed seat, outriggers, telescopic tubes, fixed sleeves, hexagonal sleeves, intermediate rods and clamping rods. The fixed seat allows the outriggers to rotate to adapt to different terrains. The design of the telescopic tube and the clamping rod makes the outrigger length adjustable. The combination of the fixed sleeve and the hexagonal sleeve ensures the stability of the outrigger position. The design of the lead screw and handwheel further enhances the support strength, thereby improving the stability and adaptability of the crane as a whole.

[0018] 2. The clamping mechanism is composed of an annular sleeve, a push plate, a one-way plate and annular groove. The one-way plate and the annular groove are cleverly matched to realize the quick locking of the outrigger position. The setting of the spring ensures the close fit between the clamping rod and the insertion hole. The design of the receiving sleeve and the push spring increases the flexibility and buffering capacity of the entire mechanism. This design greatly simplifies the operation process of outrigger fixation and improves the efficiency and reliability of adjustment.

[0019] 3. The unlocking mechanism mainly includes a resistance sleeve and an unlocking plate. Its design cleverly utilizes the principle of pressure transmission. Through further pressure on the push plate, the resistance sleeve slides down and pushes open the one-way plate, thereby quickly releasing the stuck state. This design makes the unlocking process of the outrigger simple and quick, greatly improving the convenience and efficiency of operation, while also enhancing the flexibility and practicality of the entire anti-overturning device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of an anti-overturning device of a crane in the utility model;

[0021] Figure 2 It is a structural schematic diagram of the fixing seat and the clamping mechanism in the utility model;

[0022] Figure 3 It is a structural schematic diagram of the fixing sleeve in the utility model;

[0023] Figure 4 For the utility model Figure 3 Schematic diagram of the exploded cross-sectional structure;

[0024] Figure 5 It is a structural schematic diagram of the middle rod in the utility model.

[0025] In the figure: 1. vertical rod; 2. fixed seat; 3. support leg; 4. telescopic tube; 5. fixing sleeve; 6. hexagonal sleeve; 7. intermediate rod; 8. clamping rod; 9. positioning hole; 10. insertion hole; 11. annular sleeve; 12. push plate; 13. one-way plate; 14. annular groove; 15. spring; 16. receiving sleeve; 17. push spring; 18. contact sleeve; 19. release plate; 20. screw; 21. hand wheel; 22. top block; 23. crane body. DETAILED DESCRIPTION

[0026] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0028] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0029] See also Figure 1-5, an anti-overturning device of a crane, comprising a vertical rod 1, the vertical rod 1 is installed on an external device, a supporting mechanism is arranged on the vertical rod 1, the supporting mechanism comprises a fixed seat 2, a leg 3, a telescopic tube 4, a fixed sleeve 5, a hexagonal sleeve 6, an intermediate rod 7, a clamping rod 8, a clamping mechanism and an unlocking mechanism, the fixed seat 2 is installed on the vertical rod 1, two legs 3 are provided, and the two legs 3 are respectively rotatably connected to the fixed seat 2, the telescopic tube 4 is slidably connected in the leg 3, a hexagonal sleeve 6 is installed on the fixed sleeve 5, the fixed sleeve 5 is threadedly connected to the leg 3, and the hexagonal sleeve 6 abuts against the leg 3, a positioning hole 9 is opened in the fixed sleeve 5, the intermediate rod 7 is slidably connected in the fixed sleeve 5, a clamping rod 8 is coaxially installed on the intermediate rod 7, the clamping rod 8 is slidably connected in the positioning hole 9, a plurality of insertion holes 10 are opened on the telescopic tube 4, the clamping rod 8 is inserted into the insertion hole 10, the clamping mechanism and the unlocking mechanism are respectively installed in the fixed sleeve 5, and the clamping mechanism comprises a ring The annular sleeve 11 and the push plate 12 are provided, the annular sleeve 11 is installed on the push plate 12, and the annular sleeve 11 is slidably connected to the fixed sleeve 5, a plurality of one-way sheets 13 are equidistantly provided on the inner wall of the fixed sleeve 5, a plurality of annular grooves 14 are equidistantly provided on the side wall of the annular sleeve 11, and the plurality of one-way sheets 13 are respectively stuck in the annular grooves 14, a spring 15 is provided on the middle rod 7, and the spring 15 is connected to the lower end surface of the push plate 12, a receiving sleeve 16 is slidably provided in the fixed sleeve 5, and a push plate 16 is provided on the receiving sleeve Spring 17, the push spring 17 abuts against the fixed sleeve 5, the unlocking mechanism includes a resistance sleeve 18 and an unlocking disk 19, the resistance sleeve 18 is slidably connected to the annular sleeve 11, and the unlocking sleeve is installed on the resistance sleeve 18, the unlocking sleeve and the fixed sleeve 5 are coaxially arranged, the two telescopic tubes 4 are respectively threaded with a screw 20, one end of the screw 20 is provided with a handwheel 21, the other end of the screw 20 is provided with a top block 22, the top block 22 abuts against the ground, and a crane body 23 is provided on the vertical rod 1.

[0030] In this embodiment, when support is needed to ensure anti-overturning, the leg 3 is first rotated along the fixing seat 2, and then the leg 3 is rotated to the most suitable angle, and then the telescopic tube 4 is pulled to slide along the leg 3, and then the clamping rod 8 is inserted into the corresponding insertion hole 10 to fix it, and then the hand wheel 21 is turned to drive the rotation of the screw rod. Since the screw 20 is threadedly connected to the telescopic tube 4, the top block 22 will be in contact with the ground, thereby ensuring the stability of the crane body 23, and the position of the telescopic tube 4 can be adjusted according to the usage situation, thereby ensuring the stability of use.

[0031] More specifically, when fixation is required, the push plate 12 can be fixed by clamping the one-way plate 13 in the annular groove 14, and then because the spring 15 is connected to the push plate 12, it can be ensured that the clamping rod 8 on the intermediate rod 7 is in contact with the insertion hole 10, thereby ensuring the stability of the fixation. When it is necessary to unlock, by continuing to press on the push plate 12 and then making the push plate 12 press on the unlocking sleeve, the contact sleeve 18 slides downward, and then the contact sleeve 18 presses on the one-way plate 13, thereby unlocking the connection between the one-way plate 13 and the annular groove 14, thereby unlocking the connection between the two.

[0032] In summary, when the overall equipment is in use or running: when support is needed to ensure anti-overturning, first rotate the leg 3 along the fixing seat 2, then rotate the leg 3 to the most suitable angle, then pull the telescopic tube 4 to make it slide along the leg 3, and then insert the clamping rod 8 into the corresponding insertion hole 10 to fix it, and then turn the hand wheel 21 to drive the rotation of the screw rod. Since the screw rod 20 is threadedly connected to the telescopic tube 4, the top block 22 will contact the ground, thereby ensuring the stability of the crane body 23, and the position of the telescopic tube 4 can be adjusted according to the usage situation. The stability of use is guaranteed. When it is necessary to fix, the one-way piece 13 is clamped in the annular groove 14, so the push plate 12 can be fixed. Then, since the spring 15 is connected to the push plate 12, it can be ensured that the clamping rod 8 on the intermediate rod 7 is in contact with the insertion hole 10, thereby ensuring the stability of fixation. When it is necessary to unlock, by continuing to press on the push plate 12 and then making the push plate 12 press on the unlocking sleeve, the contact sleeve 18 slides downward, and then the contact sleeve 18 presses on the one-way piece 13, thereby unlocking the connection between the one-way piece 13 and the annular groove 14, thereby unlocking the connection between the two.

[0033] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. An anti-overturning device for a crane, comprising a vertical rod (1), characterized in that: A vertical rod (1) is mounted on an external device. A supporting mechanism is provided on the vertical rod (1). The supporting mechanism comprises a fixing seat (2), a leg (3), a telescopic tube (4), a fixing sleeve (5), a hexagonal sleeve (6), an intermediate rod (7), a clamping rod (8), a clamping mechanism and a release mechanism. The fixing seat (2) is mounted on the vertical rod (1). Two legs (3) are provided, and the two legs (3) are respectively rotatably connected to the fixing seat (2). The telescopic tube (4) is slidably connected in the leg (3). The fixing sleeve (5) is provided with a clamping rod (8). A hexagonal sleeve (6) is provided, the fixed sleeve (5) is threadedly connected to the support leg (3), and the hexagonal sleeve (6) contacts the support leg (3), a positioning hole (9) is provided in the fixed sleeve (5), an intermediate rod (7) is slidably connected in the fixed sleeve (5), a clamping rod (8) is coaxially mounted on the intermediate rod (7), the clamping rod (8) is slidably connected in the positioning hole (9), a plurality of insertion holes (10) are provided on the telescopic tube (4), the clamping rod (8) is inserted into the insertion holes (10), and the clamping mechanism and the unlocking mechanism are respectively installed in the fixed sleeve (5).

2. The anti-overturning device of a crane according to claim 1, characterized in that: The clamping mechanism comprises an annular sleeve (11) and a push plate (12), wherein the annular sleeve (11) is mounted on the push plate (12), and the annular sleeve (11) is slidably connected to the fixed sleeve (5).

3. The anti-overturning device of a crane according to claim 2, characterized in that: A plurality of one-way sheets (13) are equidistantly arranged on the inner wall of the fixed sleeve (5), a plurality of annular grooves (14) are equidistantly arranged on the side wall of the annular sleeve (11), and the plurality of one-way sheets (13) are respectively clamped in the annular grooves (14).

4. The anti-overturning device of a crane according to claim 3, characterized in that: The intermediate rod (7) is provided with a spring (15), and the spring (15) is connected to the lower end surface of the push plate (12).

5. The anti-overturning device of a crane according to claim 4, characterized in that: A receiving sleeve (16) is slidably disposed inside the fixed sleeve (5), and a push spring (17) is disposed on the receiving sleeve (16), and the push spring (17) abuts against the inside of the fixed sleeve (5).

6. The anti-overturning device of a crane according to claim 5, characterized in that: The unlocking mechanism comprises a resistance sleeve (18) and an unlocking disk (19); the resistance sleeve (18) is slidably connected to the annular sleeve (11), and the unlocking sleeve is mounted on the resistance sleeve (18); the unlocking sleeve and the fixed sleeve (5) are coaxially arranged.

7. The anti-overturning device of a crane according to claim 6, characterized in that: A lead screw (20) is threadedly provided on each of the two telescopic tubes (4), a hand wheel (21) is provided at one end of the lead screw (20), and a top block (22) is provided at the other end of the lead screw (20), and the top block (22) contacts the ground.

8. The anti-overturning device of a crane according to claim 7, characterized in that: A crane body (23) is provided on the vertical rod (1).

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