Self-balancing stabilizing flow cantilever crane

CN224646550UActive Publication Date: 2026-08-18SHAN XI ZHI SHUO KE JI YOU XIAN GONG SI
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Patent Information

Application Number
CN202521198034.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-12
Publication Date
2026-08-18
Estimated Expiration
2035-06-12

AI Technical Summary

Technical Problem

[0003]现有的一些万向轮在起重机吊运物料时,由于负载的不平衡或不均匀分布,容易引起起重机万向轮的滑动,导致起重机位置发生变化,影响吊运作业的稳定性,而且在吊运较重物料时,可能会因为地面不平或负载不均匀而造成倾斜甚至翻倒,影响起重机的使用

Benefits of technology

1、本实用新型在使用起重机时,通过转动转盘带动双向螺纹杆转动,使得两个套筒和滑筒相对或相反移动,进一步推动凸台和万向轮向下移动,实现在地面上推动起重机移动,到达使用地点后,通过转动转盘逆时针转动双向螺纹杆,使万向轮收回至支撑座内提供支撑,从而方便起重机的移动和支撑,提高实用性。

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Abstract

The application relates to the technical field of cranes, in particular to a self-balancing stable logistics cantilever crane, which comprises a base, two support seats fixed to one side of the base, and two-way threads arranged on the inner walls of the two support seats through bearings, when the application is used, the two-way thread rods are rotated by rotating the rotating disc, so that the two sleeves and the sliding cylinder move relatively or oppositely, the convex platform and the universal wheel are further pushed to move downwards, the crane is pushed to move on the ground, after reaching the use site, the two-way thread rods are counterclockwise rotated by rotating the rotating disc, the universal wheel is retracted into the support seat to provide support, the movement and support of the crane are facilitated, the practicability is improved, the multiple suction cups are adsorbed to the ground by rotating and pressing the horizontal plate, and the horizontal plate prevents the crane from toppling over, when the suction force is insufficient and the crane topples over, the base pushes the pressing rod, the reverse force is generated by the circular plate extruding the spring, and the position of the base is restored, so that the anti-toppling capacity of the crane is improved.
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Description

Technical Field

[0001] This application relates to the technical field of cranes, and in particular to a self-balancing, stable logistics cantilever crane. Background Technology

[0002] A crane is a mechanical device used for lifting and moving heavy objects. It is widely used in logistics, construction, ports and other industries. During use, the crane lifts materials or goods through a cantilever mechanism and moves them through casters. Due to their ability to turn freely, casters facilitate the movement of the crane in different directions.

[0003] Some existing casters are prone to slippage when cranes are lifting materials due to unbalanced or uneven load distribution. This can cause the crane's position to change, affecting the stability of the lifting operation. Moreover, when lifting heavy materials, uneven ground or uneven load may cause the crane to tilt or even overturn, affecting its use. Utility Model Content

[0004] To facilitate the movement and support of the crane, improve its practicality, and enhance its anti-tipping capability, this application provides a self-balancing and stable logistics cantilever crane.

[0005] This application provides a self-balancing and stable cantilever crane for logistics, employing the following technical solution: the device includes a base, Two support seats are fixedly installed on one side of the base, and one of the support seats has a bidirectional threaded rod on both sides of its inner wall via bearings; Two sleeves are threaded onto the outer surface of the bidirectional threaded rod, and a connecting plate is fixedly provided on the outer surface of both bidirectional threaded rods; The connecting rod is fixedly installed on the inner wall of both sides of the other support base, and two sliding cylinders are movably sleeved on the outer surface of the connecting rod; Multiple transmission rods are movably mounted on the inner walls of two sleeves and two slide cylinders, and the two transmission rods are paired together. Each pair of transmission rods has a boss movably mounted on one side.

[0006] Optionally, a mounting plate is fixedly provided on one side of each of the two bosses, and two casters are installed on one side of each of the two mounting plates.

[0007] Optionally, one side of each of the two connecting plates is fixedly disposed on the outer surface of the two sliding cylinders, and a turntable is fixedly disposed on one side of the bidirectional threaded rod.

[0008] Optionally, slotted plates are fixedly provided on both sides of the base, and a cantilever mechanism is installed on one side of the base.

[0009] Optionally, a first connecting shaft is fixedly provided on the inner wall of each of the two slot plates, a pressure rod is movably sleeved on the outer surface of each of the two first connecting shafts, a sleeve rod is movably sleeved on the outer surface of each of the two pressure rods, and a second connecting shaft is movably embedded on one side of each of the two sleeve rods.

[0010] Optionally, a horizontal plate is fixedly provided on one side of each of the two second connecting shafts, and two suction cups are installed on one side of each of the two horizontal plates.

[0011] Optionally, a circular plate is fixedly sleeved on the outer surface of both pressure rods, and a spring is fixedly installed on one side of each of the two circular plates.

[0012] In summary, this application includes the following beneficial technical effects: 1. When using a crane, this utility model rotates the turntable to drive the bidirectional threaded rod to rotate, causing the two sleeves and slides to move relative to or in opposite directions, further pushing the boss and casters downwards, thus enabling the crane to move on the ground. After reaching the location of use, the turntable is rotated counterclockwise to rotate the bidirectional threaded rod, causing the casters to retract into the support base to provide support, thereby facilitating the movement and support of the crane and improving its practicality.

[0013] 2. When using a crane, this utility model uses the rotating and pressing of the horizontal plate to cause multiple suction cups to adhere to the ground and prevent tipping. When the suction is insufficient, the base pushes the pressure rod, which generates a reverse force by squeezing the spring through the circular plate, further restoring the base position and thus improving the crane's anti-tipping ability. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall three-dimensional structure in the embodiments of this application.

[0015] Figure 2 This is a three-dimensional structural diagram of the side of the device in the embodiments of this application.

[0016] Figure 3 This is a cross-sectional structural schematic diagram of the support base in the embodiments of this application.

[0017] Figure 4 This is a cross-sectional structural schematic diagram of the support base in the embodiments of this application.

[0018] Reference numerals: 1. Base; 2. Support seat; 201. Bidirectional threaded rod; 202. Sleeve; 203. Connecting rod; 204. Slide cylinder; 205. Connecting plate; 206. Transmission rod; 207. Boss; 208. Mounting plate; 209. Caster wheel; 210. Turntable; 3. Slot plate; 301. First connecting shaft; 302. Pressure rod; 303. Sleeve rod; 304. Circular plate; 305. Spring; 306. Second connecting shaft; 307. Horizontal plate; 308. Suction cup; 309. Cantilever mechanism. Detailed Implementation

[0019] The following is in conjunction with the appendix Figure 1 —4 provides further detailed description of this application.

[0020] This application discloses a self-balancing, stable logistics cantilever crane. For example... Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the device includes a base 1; two support seats 2, fixedly mounted on one side of the base 1, with a bidirectional threaded rod 201 mounted on both sides of the inner wall of one of the support seats 2 via bearings. The bidirectional threaded rod 201 can rotate via the bearings, and its outer surface has two threaded grooves with different directions of rotation; two sleeves 202, respectively threaded onto the outer surface of the bidirectional threaded rod 201, and a connecting plate 205 is fixedly mounted on the outer surface of both bidirectional threaded rods 201. The two sleeves 202 are respectively connected to the two threaded grooves with different directions of rotation on the outer surface of the bidirectional threaded rod 201; and a connecting rod 203, fixedly mounted on the inner walls of both sides of the other support seat 2. Two sliding cylinders 204 are movably sleeved on the outer surface of the connecting rod 203, and the two sliding cylinders 204 can slide on the outer surface of the connecting rod 203; multiple transmission rods 206 are respectively movably disposed on the inner walls of the two sleeves 202 and the two sliding cylinders 204, and the two transmission rods 206 are in pairs. A boss 207 is movably disposed on one side of each pair of transmission rods 206, and a mounting plate 208 is fixedly disposed on one side of each of the two bosses 207. Multiple casters 209 are driven to move downward through the two mounting plates 208. Two casters 209 are installed on one side of each of the two mounting plates 208. When the multiple casters 209 contact the ground, the crane can be pushed to move.

[0021] Please see Figure 3 and Figure 4 Two connecting plates 205 are fixedly mounted on one side of the outer surface of two sliding cylinders 204 respectively. Two sleeves 202 are connected together by two connecting plates 205 and two sliding cylinders 204. Thus, when the bidirectional threaded rod 201 rotates in different directions, the two sleeves 202 move in opposite or opposite directions on the outer surface of the bidirectional threaded rod 201. A turntable 210 is fixedly mounted on one side of the bidirectional threaded rod 201. By rotating the turntable 210 clockwise, the bidirectional threaded rod 201 is driven to rotate counterclockwise.

[0022] Please see Figure 1 and Figure 3A first connecting shaft 301 is fixedly installed on the inner wall of each of the two slot plates 3. A pressure rod 302 is movably sleeved on the outer surface of each of the two first connecting shafts 301. The two pressure rods 302 can rotate about the two first connecting shafts 301 respectively. A sleeve rod 303 is movably sleeved on the outer surface of each of the two pressure rods 302. A second connecting shaft 306 is movably embedded on one side of each of the two sleeve rods 303. The two sleeve rods 303 can slide on the outer surface of the two second connecting shafts 306.

[0023] Please see Figure 3 and Figure 4 Both sides of the base 1 are fixedly provided with groove plates 3, and a cantilever mechanism 309 is installed on one side of the base 1. The material can be lifted by the cantilever mechanism 309.

[0024] Please see Figure 3 and Figure 4 Both pressure rods 302 have circular plates 304 fixedly fitted on their outer surfaces. Springs 305 are fixedly installed on one side of each circular plate 304. When the suction force of the multiple suction cups 308 is insufficient, the crane will tilt to one side. At this time, the base 1 pushes one of the pressure rods 302, and the two circular plates 304 push the two springs 305. When the circular plate 304 pushes one of the springs 305, the two springs 305, when compressed, will generate a counterforce, further pushing the circular plate 304, causing the base 1 to return to its original position. Please see Figure 3 and Figure 4 A horizontal plate 307 is fixedly installed on one side of each of the two second connecting shafts 306. Two suction cups 308 are installed on one side of each of the two horizontal plates 307. Pressing down on the two horizontal plates 307 causes the multiple suction cups 308 to adhere to the ground, and the multiple suction cups 308 can prevent tipping.

[0025] The implementation principle of a self-balancing stable logistics cantilever crane according to an embodiment of this application is as follows: When using the crane, there are two threaded grooves with different helical directions on the outer surface of the bidirectional threaded rod 201. Two sleeves 202 are respectively connected to the two threaded grooves with different helical directions on the outer surface of the bidirectional threaded rod 201, and two sliding cylinders 204 can slide on the outer surface of the connecting rod 203. The two sleeves 202 are connected to the two sliding cylinders 204 through two connecting plates 205. Thus, when the bidirectional threaded rod 201 rotates in different directions, the two sleeves 202 move in relative or opposite directions on the outer surface of the bidirectional threaded rod 201. The bidirectional threaded rod 201 is driven by rotating the turntable 210. The threaded rod 201 rotates in different directions, causing the two sleeves 202 and the two slides 204 to move relative to or in opposite directions. During relative movement, the two sleeves 202 and the two slides 204 push the boss 207 downwards via the two transmission rods 206, which in turn drive the multiple casters 209 downwards via the two mounting plates 208, bringing the casters 209 into contact with the ground. At this point, the crane can be moved. When the crane reaches the designated location, rotating the turntable 210 clockwise causes the bidirectional threaded rod 201 to rotate counterclockwise, causing the two sleeves 202 to move in opposite directions. This further drives the two mounting plates 208 via the multiple transmission rods 206. Moving upwards allows multiple casters 209 to move into the interior of the two support seats 2, which then support the crane. This facilitates the movement and support of the crane during use, improving its practicality. During operation, materials can be lifted via the cantilever mechanism 309. In use, the two pressure rods 302 can rotate around the two first connecting shafts 301, and the two sleeve rods 303 can slide on the outer surfaces of the two pressure rods 302 and the two sleeve rods 303 can slide on the outer surfaces of the two second connecting shafts 306. By rotating the two horizontal plates 307, multiple suction cups 308 become perpendicular to the ground. Pressing down on the two horizontal plates 307 causes multiple suction cups 308 to adhere to the ground. When lifting goods, the suction cups 308 can prevent tipping. When the suction force of the suction cups 308 is insufficient, the crane will tip to one side. At this time, the base 1 pushes one of the pressure rods 302, and the two circular plates 304 push the two springs 305. When the circular plate 304 pushes one of the springs 305, the two springs 305 will generate a counterforce when they are squeezed, further pushing the circular plate 304, so that the base 1 returns to its original position, further improving the crane's anti-tipping ability. Thus, when using the crane to lift goods, it can prevent the crane from tipping over, and the anti-tipping ability is good.

[0026] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A self-balancing and stabilizing cantilever crane for logistics, the device comprising a base (1), characterized in that: Two support seats (2) are fixedly installed on one side of the base (1), and two bidirectional threaded rods (201) are provided on both sides of the inner wall of one of the support seats (2) through bearings. Two sleeves (202) are threaded onto the outer surface of the bidirectional threaded rod (201), and a connecting plate (205) is fixedly provided on the outer surface of both bidirectional threaded rods (201). The connecting rod (203) is fixedly installed on the inner wall of both sides of the other support (2), and two sliding cylinders (204) are movably sleeved on the outer surface of the connecting rod (203). Multiple transmission rods (206) are movably disposed on the inner walls of two sleeves (202) and two slides (204), and the two transmission rods (206) are in pairs, with a boss (207) movably disposed on one side of each pair of transmission rods (206).

2. A self-balancing stabilised flow cantilever crane according to claim 1, characterised in that: Each of the two bosses (207) has a mounting plate (208) fixedly installed on one side, and each of the two mounting plates (208) has two casters (209) installed on one side.

3. The self-balancing, stable logistics cantilever crane according to claim 1, characterized in that: One side of each of the two connecting plates (205) is fixedly disposed on the outer surface of the two slide cylinders (204), and a turntable (210) is fixedly disposed on one side of the bidirectional threaded rod (201).

4. The self-balancing and stabilizing cantilever crane for logistics according to claim 1, characterized in that: Both sides of the base (1) are fixedly provided with groove plates (3), and a cantilever mechanism (309) is installed on one side of the base (1).

5. A self-balancing, stable logistics cantilever crane according to claim 4, characterized in that: A first connecting shaft (301) is fixedly provided on the inner wall of each of the two groove plates (3). A pressure rod (302) is movably sleeved on the outer surface of each of the two first connecting shafts (301). A sleeve rod (303) is movably sleeved on the outer surface of each of the two pressure rods (302). A second connecting shaft (306) is movably embedded on one side of each of the two sleeve rods (303).

6. A self-balancing, stable logistics cantilever crane according to claim 5, characterized in that: A horizontal plate (307) is fixedly provided on one side of each of the two second connecting shafts (306), and two suction cups (308) are installed on one side of each of the two horizontal plates (307).

7. A self-balancing, stable logistics cantilever crane according to claim 6, characterized in that: A circular plate (304) is fixedly sleeved on the outer surface of each of the two pressure rods (302), and a spring (305) is fixedly installed on one side of each of the two circular plates (304).