Crane with anti-tilting function

Abstract

The invention discloses a crane with an anti-tilt function, and relates to the field of cranes, the crane comprises a bottom column, a bottom sleeve is arranged at the top of the bottom column, two bearings are fixedly connected to the inner part of the bottom sleeve and located on the outer surface of the bottom column, two brackets are fixedly connected to the top of the bottom sleeve, and a support arm is arranged between the two brackets; a pulley is rotatably connected to the front end of the supporting arm, a fixing frame is fixedly connected to the top of the supporting arm, a wire wheel is rotatably connected into the fixing frame, a steel rope is wound around the outer surface of the wire wheel, one end of the steel rope penetrates through the wire wheel and is fixedly connected with a lifting hook, and a storage supporting structure is arranged on the outer surface of the bottom column. By arranging the storage supporting structure, on one hand, the three anti-inclination supporting rods can be rotationally connected with the rotating blocks on the bottom ring and are matched with sliding adjustment of the sliding blocks on the bottom ring in the arc-shaped grooves and the vertical grooves, so that the anti-inclination supporting rods are flexibly unfolded and make contact with the bearing face, and the anti-inclination capacity and the overall structure stability of the crane are remarkably improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of cranes, in particular to a crane with anti-tilting function. BACKGROUND

[0002] The truck crane is a special vehicle with a crane installed on the chassis of the vehicle, which has the functions of lifting operation and mobile driving, can quickly transfer to different construction sites, and can quickly put into operation after arriving at the site, and is widely used in logistics transportation, engineering construction, equipment installation and emergency rescue, etc. It is an important equipment with high efficiency and flexibility in modern engineering operation. The existing truck crane has the problems of large storage volume of the support structure, complicated unfolding and fixing operation, concentrated support force on the bottom column and lack of cooperative support for the lifting arm, resulting in insufficient overall stability and limited anti-tilting ability, and large space occupation and inconvenient transportation in the non-working state. SUMMARY

[0003] The main purpose of the present application is to provide a crane with anti-tilting function, which can effectively solve the problems of single support system and weak anti-tilting ability of the existing truck crane in the background art.

[0004] To achieve the above purpose, the technical scheme adopted by the present application is as follows: A crane with anti-tilting function, comprising a bottom column, a bottom sleeve is arranged at the top of the bottom column, two bearings are fixedly connected inside the bottom sleeve and on the outer surface of the bottom column, two brackets are fixedly connected at the top of the bottom sleeve, a support arm is arranged between the two brackets, a pulley is rotatably connected to the front end of the support arm, a fixing frame is fixedly connected to the top of the support arm, a wire wheel is rotatably connected inside the fixing frame, a steel rope is wound around the outer surface of the wire wheel, one end of the steel rope passes through the wire wheel and is fixedly connected with a lifting hook, and a storage support structure is arranged on the outer surface of the bottom column. The storage support structure comprises three anti-tilt support rods, three arc-shaped grooves are equidistantly arranged on the outer surface of the bottom column, three vertical grooves are respectively arranged on the outer surface of the bottom column and at one end of the three arc-shaped grooves, a bottom ring is arranged on the outer surface of the bottom column and at the bottom of the bottom sleeve, three sliding blocks are equidistantly fixedly connected to the inner circle of the bottom ring, the sliding blocks are slidingly connected inside the arc-shaped grooves, three pairs of fixed blocks are equidistantly fixedly connected to the outer surface of the bottom ring, a rotating block is rotatably connected inside each pair of fixed blocks, and the three rotating blocks are fixedly connected to the top of the three anti-tilt support rods.

[0005] As a further scheme of the present application, the support arm is rotatably connected between the two brackets, three rotation positioning holes are equidistantly arranged on the side surfaces of the two brackets in a circular arc shape, and positioning bolts are threadedly connected between the side surfaces of the two brackets and the support arm and through the rotation positioning holes.

[0006] The bottom of the three anti-tilting supporting rods is fixedly connected with a ball seat, and the bottom of the ball seat is fixedly connected with a rubber pad.

[0007] The linking support structure comprises three linking rods, the outer surface of the bottom sleeve is rotationally connected with a connecting ring, the outer surface of the connecting ring is equidistantly fixedly connected with three top blocks, the outer surface of the three anti-tilting supporting rods is fixedly connected with bottom blocks, and the linking rods are rotationally connected between the top blocks and the bottom blocks.

[0008] The top and bottom of the connecting ring are provided with support rings, and six small bolts are threadedly connected between the support rings and the connecting ring.

[0009] The outer surface of the bottom column and between the bottom ring and the bottom support ring are provided with a blocking ring, the outer surface of the blocking ring is equidistantly threadedly connected with fastening bolts, the blocking ring is fixedly connected to the outer surface of the bottom column through the six fastening bolts, and the blocking ring can prevent the connecting ring from sliding downward until being separated from the bottom sleeve.

[0010] The bottom of the three top blocks is provided with a self-fixing structure, the self-fixing structure comprises three supporting blocks, the three supporting blocks are fixedly connected to the top of the three top blocks, one end of the linking rod is fixedly connected with a rotating block, the rotating block is rotationally connected with the top block, the outer surface of the rotating block is provided with a slot, the inside of the supporting block is slidably connected with a plug, the top of the plug is fixedly connected with a connecting rod penetrating through the top of the supporting block, and a spring is fixedly connected between the top of the plug and the inside of the supporting block and located on the outer surface of the connecting rod.

[0011] The plug and the slot are adaptively matched, and the top of the three connecting rods is fixedly connected with a butt joint ring.

[0012] The outer surface of the bottom ring is provided with a sliding groove, the side surface of the sliding block slidably connected in the sliding groove is fixedly connected with a top block, the outer surface of the bottom column is fixedly connected with a bottom block, a threaded rod is rotationally connected between the bottom of the connecting ring and the top of the bottom block, and the bottom of the threaded rod is fixedly connected with a hexagonal block penetrating through the bottom of the bottom block.

[0013] The sliding groove and the arc-shaped groove have the same length, and the sliding block is located at the leftmost end of the sliding groove.

[0014] The beneficial effects of the present application are as follows: By setting the storage support structure, on the one hand, the three anti-tilt support rods can be flexibly unfolded and contacted with the bearing surface through the rotating connection of the three anti-tilt support rods with the rotating blocks on the bottom ring and the sliding adjustment of the bottom ring sliding block in the arc-shaped slot and the vertical slot, and at the same time, the anti-tilt support rods can be automatically angle-positioned and fixed through the rotating block, the insertion slot, the insertion block and the spring of the self-fixing structure in cooperation with the linking support structure during unfolding, and then the support force is transmitted to the connecting ring and shared to the support arm through the connecting ring, the top block, the bottom block and the linking rod of the linking support structure, thereby realizing the cooperative and stable support of the bottom column and the support arm, and significantly improving the anti-tilt capability and the overall structural stability of the crane; At the same time, in the non-use state, the storage support structure can be unlocked by pulling the connecting ring upwards to drive the insertion block to disengage from the insertion slot, so that the three anti-tilt support rods are rotated and folded to the state of being attached to the bottom column, and at the same time, the bottom ring is slidably reset, thereby greatly reducing the storage space occupied, achieving the effect of saving storage volume, and the unfolding and folding processes are convenient and efficient, and the dual advantages of stable support and quick and space-saving folding are truly achieved. By setting the ball seat and the rubber pad, the rubber pad is always kept in a vertical state by the endless rotating feature of the ball seat, and the rubber pad increases the friction force with the bearing surface, thereby further strengthening the support effect of the anti-tilt support rod. By setting the linking support structure, firstly, the connecting ring and the bottom sleeve are rotatably connected, the top block and the connecting ring are fixedly connected, and the linking rod and the top block and the bottom block are rotatably connected, so that during the unfolding process of the storage support structure, the connecting ring is slid upward along the bottom sleeve to drive the top block to rotate upward, thereby assisting the three anti-tilt support rods to smoothly unfold to the support angle, providing stable guidance for the unfolding of the anti-tilt support rods, and improving the convenience of the unfolding operation. At the same time, in the support state, the linking support structure can effectively transmit the support force of the anti-tilt support rod to the connecting ring, and then transmit the support force to the bottom sleeve and the support through the connecting ring, thereby realizing the synchronous support of the support arm, forming a cooperative support system of the bottom column and the support arm, greatly sharing the bearing pressure of a single structure, and significantly improving the overall support stability of the crane. In addition, the linking support structure cooperates with the support ring and the fixing small bolt arranged at the top and the bottom of the connecting ring to reinforce the position of the connecting ring, and in combination with the movable restriction of the connecting ring bottom by the blocking ring on the bottom column, the sliding disengagement of the connecting ring from the bottom sleeve is effectively prevented, thereby further ensuring the reliability of the connection of the linking support structure, ensuring the stability and efficiency of the force transmission process, and providing a solid guarantee for the anti-tilt performance of the crane.

[0015] By setting the self-fixing structure, firstly, in the expansion process of the storage supporting structure, when the link rod drives the rotating block to rotate to the vertical state of the insertion slot, the spring will automatically rebound to push the insertion block and the insertion slot to be inserted, without manual positioning, the angle fixation of the rotating block and the link rod can be completed, thereby the anti-tilt supporting rod is stably kept at the supporting angle, the operation process of the supporting angle fixation is greatly simplified, the manual fixation is avoided, and the operation efficiency is significantly improved; Secondly, the self-fixing structure can form reliable mechanical positioning by means of the adaptive matching of the insertion block and the insertion slot and the elastic force of the spring, effectively prevents the angle deviation of the link rod and the anti-tilt supporting rod caused by external force in the supporting process, ensures the stability of the supporting angle, provides a powerful guarantee for the reliability of the crane anti-tilt supporting, and simultaneously, the self-fixing structure cooperates with the storage supporting structure and the link supporting structure, is automatically locked during expansion, and forms a stable whole with the three, so that the position adjustment can be conveniently and synchronously performed, and the operation continuity of the whole structure is improved; in addition, by setting the integrated connection of the butt joint ring and the three connecting rods, the butt joint ring is pulled upward, and all the insertion blocks can be synchronously driven to be separated from the insertion slots to complete unlocking, the anti-tilt supporting rod and the link rod are quickly reset, the subsequent storage operation is convenient, and the flexibility of the structure in use is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic diagram of a crane with an anti-tilt function according to the present application; Figure 2 It is a boom display diagram of a crane with an anti-tilt function according to the present application; Figure 3 It is a bottom sleeve analysis split diagram of a crane with an anti-tilt function according to the present application; Figure 4 It is a storage supporting structure display diagram of a crane with an anti-tilt function according to the present application; Figure 5 It is a bottom ring split display diagram of a crane with an anti-tilt function according to the present application; Figure 6 It is a link supporting structure display diagram of a crane with an anti-tilt function according to the present application; Figure 7 It is a connecting ring display diagram of a crane with an anti-tilt function according to the present application; Figure 8 It is a self-fixing structure and base display diagram of a crane with an anti-tilt function according to the present application; Figure 9 It is a self-fixing structure alone display diagram of a crane with an anti-tilt function according to the present application; Figure 10 It is a self-fixing structure analysis split diagram of a crane with an anti-tilt function according to the present application; Figure 11The application discloses a crane with anti-inclination function Figure 10 The enlarged view of A part of the crane with anti-inclination function Figure 12 The application discloses a crane with anti-inclination function Figure 13 The application discloses a crane with anti-inclination function

[0017] In the figure: 1, bottom column; 2, bottom sleeve; 3, support arm; 4, storage support structure; 5, support; 6, rotating positioning hole; 7, positioning bolt; 8, fixed frame; 9, wire wheel; 10, pulley; 11, lifting hook; 12, bearing; 13, bottom ring; 14, fixed block; 15, rotating block; 16, anti-inclination support rod; 17, ball seat; 18, rubber pad; 19, arc-shaped groove; 20, vertical groove; 21, sliding block; 22, linking support structure; 23, connecting ring; 24, top block; 25, bottom block; 26, linking rod; 27, support ring; 28, blocking ring; 29, fastening bolt; 30, self-fixing structure; 31, support block; 32, butt joint ring; 33, rotating block; 34, insertion groove; 35, insertion block; 36, connecting rod; 37, spring; 38, bottom block; 39, threaded rod; 40, sliding groove; 41, sliding block; 42, top block; 43, hexagonal block. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, purposes and effects of the application easy to understand, the application is further described below in combination with specific embodiments.

[0019] As shown in Figures 1-13 The application discloses a crane with anti-inclination function, which comprises a bottom column 1, the top of the bottom column 1 is provided with a bottom sleeve 2, the inside of the bottom sleeve 2 and the outer surface of the bottom column 1 are fixedly connected with two bearings 12, the top of the bottom sleeve 2 is fixedly connected with two supports 5, the two supports 5 are provided with a support arm 3, the front end of the support arm 3 is rotatably connected with a pulley 10, the top of the support arm 3 is fixedly connected with a fixed frame 8, the inside of the fixed frame 8 is rotatably connected with a wire wheel 9, the outer surface of the wire wheel 9 is wound with a steel rope, one end of the steel rope penetrates through the wire wheel 9 and is fixedly connected with a lifting hook 11, and the outer surface of the bottom column 1 is provided with a storage support structure 4. The accommodation support structure 4 comprises three anti-tilt supporting rods 16, the outer surface of the bottom column 1 is equidistantly provided with three arc-shaped grooves 19, the outer surface of the bottom column 1 and located at one end of the three arc-shaped grooves 19 is respectively provided with three vertical grooves 20, the outer surface of the bottom column 1 and located at the bottom of the bottom sleeve 2 is provided with a bottom ring 13, the inner ring of the bottom ring 13 is equidistantly fixedly connected with three sliding blocks 21, the sliding blocks 21 are slidingly connected in the arc-shaped grooves 19, the outer surface of the bottom ring 13 is equidistantly fixedly connected with three pairs of fixed blocks 14, the inner part of each pair of fixed blocks 14 is rotatably connected with a rotating block 15, and the three rotating blocks 15 are respectively fixedly connected with the top of the three anti-tilt supporting rods 16. In actual operation, first, the bottom column 1 is connected with the vehicle compartment, then the support arm 3 can be rotated along the bottom column 1 through the bottom sleeve 2, the hook 11 is connected with the object to be hoisted from the hoisting position of the adjusted hook 11, and then the wire wheel 9 is started to wind the steel rope, so that the object is hoisted through the hook 11. The three anti-tilt supporting rods 16 are rotated outward, the angle of the anti-tilt supporting rod 16 is fixed, the bottom ring 13 is slid along the three arc-shaped grooves 19, the three sliding blocks 21 are respectively rotated to the top of the three vertical grooves 20, and then the bottom ring 13 is slid downward along the three vertical grooves 20, one end of the sliding block 21 reaches the bottom of the vertical groove 20, so that when the three anti-tilt supporting rods 16 are in contact with the bearing surface, the bottom column 1 can be supported.

[0020] In the embodiment, the support arm 3 is rotatably connected between the two supports 5, the side surfaces of the two supports 5 are equidistantly provided with three rotating positioning holes 6 in a circular arc shape, and the rotating positioning holes 6 are threadedly connected with the positioning bolts 7 between the side surfaces of the two supports 5 and the support arm 3. When the angle of the support arm 3 needs to be adjusted, the two positioning bolts 7 on the two supports 5 are loosened, the support arm 3 is rotated upward or downward, the support arm 3 is rotated to the rotating positioning hole 6 at the top or the bottom, and then the two positioning bolts 7 are tightened, so that the angle of the support arm 3 is fixed.

[0021] In the embodiment, the bottom of the three anti-tilt supporting rods 16 is fixedly connected with a ball seat 17, and the bottom of the ball seat 17 is fixedly connected with a rubber pad 18. When the three anti-tilt supporting rods 16 support the bottom column 1, the rubber pad 18 is always in a vertical state through the endless rotation of the ball seat 17, and then the friction of the anti-tilt supporting rod 16 is increased, and the side surface support effect is increased.

[0022] In the embodiment, a link support structure 22 is arranged between the bottom sleeve 2 and the bottom column 1, the link support structure 22 comprises three link rods 26, the outer surface of the bottom sleeve 2 is rotatably connected with a connecting ring 23, the outer surface of the connecting ring 23 is equidistantly fixedly connected with three top blocks 24, the outer surface of the three anti-tilt supporting rods 16 is fixedly connected with a bottom block 25, and the link rod 26 is rotatably connected between the top block 24 and the bottom block 25. The connecting ring 23 is slid upward along the bottom sleeve 2, and then drives the three top blocks 24, so as to drive the three link rods 26 to rotate upward, and thus drive the three anti-tilt supporting rods 16 to rotate upward. At this time, the supporting structure 4 can be started to be stored, and the bottom column 1 is supported. At the same time, through the link rod 26, the supporting force of the anti-tilt supporting rod 16 is transmitted to the connecting ring 23, so as to support the support arm 3 and share the supporting force.

[0023] In the embodiment, the top and bottom of the connecting ring 23 are provided with supporting rings 27, and six small bolts are screwed between the supporting rings 27 and the connecting ring 23.

[0024] In the embodiment, the outer surface of the bottom column 1 between the bottom ring 13 and the bottom supporting ring 27 is provided with a blocking ring 28. The outer surface of the blocking ring 28 is equally screwed with six fastening bolts 29. The blocking ring 28 is fixedly connected to the outer surface of the bottom column 1 through the six fastening bolts 29. The blocking ring 28 can prevent the connecting ring 23 from sliding downward until it is separated from the bottom sleeve 2. The diameter of the blocking ring 28 is smaller than that of the connecting ring 23. The bottom movement of the connecting ring 23 is limited by the blocking ring 28, so as to avoid the connecting ring 23 from being separated from the bottom of the bottom sleeve 2.

[0025] In the embodiment, the bottom of the three top blocks 24 is provided with a self-fixing structure 30. The self-fixing structure 30 includes three supporting blocks 31, which are fixedly connected to the top of the three top blocks 24. One end of the link rod 26 is fixedly connected with a rotating block 33, which is rotatably connected with the top block 24. The outer surface of the rotating block 33 is provided with a slot 34. The inside of the supporting block 31 is slidably connected with an insertion block 35. The top of the insertion block 35 is fixedly connected with a connecting rod 36, which penetrates through the top of the supporting block 31. The top of the insertion block 35 and the inside of the supporting block 31 are fixedly connected with a spring 37. When the link rod 26 is rotated, the rotating block 33 is also rotated. When the slot 34 is rotated to the vertical state, the top of the slot 34 and the bottom of the insertion block 35 are on the same vertical line. At this time, the spring 37 is rebounded, and drives the insertion block 35 to be inserted into the slot 34, so as to fix the angle of the rotating block 33, and thus fix the angle of the link rod 26, that is, the angle of the anti-tilt supporting rod 16 is automatically fixed. When the angle of the link rod 26 is fixed, the connecting ring 23, the link rod 26, the anti-tilt supporting rod 16 and the bottom ring 13 form a whole. At this time, the whole can be rotated along the arc-shaped slot 19, and then the whole is driven to slide downward along the three vertical slots 20, so as to drive the three anti-tilt supporting rods 16 to contact and support the bearing surface.

[0026] In the embodiment, the insertion block 35 and the slot 34 are adaptively matched, and the top of the three connecting rods 36 is fixedly connected with a butt joint ring 32. When it is necessary to release the angular fixation state of the rotating block 33, the docking ring 32 is pulled upward, the three connecting rods 36 are synchronously pulled upward, the three insertion blocks 35 are synchronously pulled upward, the insertion blocks 35 are separated from the insertion slots 34, the fixation effect of the rotating block 33 is released, and the rotating block 33, the connecting rod 26 and the anti-tilt supporting rod 16 can be reset.

[0027] In the embodiment, the outer surface of the bottom ring 13 is provided with a sliding groove 40, the side surface of a sliding block 41 is slidably connected in the sliding groove 40, the top block 42 is fixedly connected to the side surface of the sliding block 41, the outer surface of the bottom column 1 is fixedly connected with the bottom block 38, the bottom of the connecting ring 23 is rotatably connected with the top of the bottom block 38 through a threaded rod 39, and the bottom of the threaded rod 39 is fixedly connected with a hexagonal block 43 through the bottom of the bottom block 38. After the connecting rod 26 and the anti-tilt supporting rod 16 are unfolded and fixed, the whole is rotated to drive the bottom ring 13 to rotate, so that the sliding block 41 slides relative to the sliding groove 40, and the top block 42 and the threaded rod 39 are in a static state. After the anti-tilt supporting rod 16 supports, the external wrench is connected with the hexagonal block 43, so that the threaded rod 39 is driven to rotate, the top block 42 is driven to slide downward, the bottom ring 13 is driven to slide downward along the vertical groove 20, and the support stability and support durability of the anti-tilt supporting rod 16 are improved.

[0028] In the embodiment, the length of the sliding groove 40 is consistent with that of the arc-shaped groove 19, and the sliding block 41 is located at the leftmost end of the sliding groove 40.

[0029] It should be noted that the crane has the anti-tilt function. In use, first, the bottom column 1 is connected with a vehicle compartment, then the bottom sleeve 2 can rotate the supporting arm 3 along the bottom column 1, the lifting hook 11 is connected with an article to be lifted from an adjusted lifting position of the lifting hook 11, the wire wheel 9 is started, the steel rope is wound, and then the article is lifted by the lifting hook 11. The three anti-tilt supporting rods 16 are rotated outward, the angle of the anti-tilt supporting rod 16 is fixed, the bottom ring 13 is slid along the three arc-shaped grooves 19 until the three sliding blocks 21 are rotated to the top of the three vertical grooves 20, and then the bottom ring 13 is slid downward along the three vertical grooves 20 until the sliding blocks 21 are located at the bottom of the vertical grooves 20, so that the three anti-tilt supporting rods 16 can support the bottom column 1 when the three anti-tilt supporting rods 16 are in contact with the bearing surface. When the angle of the supporting arm 3 needs to be adjusted, the two positioning bolts 7 in the two supports 5 are loosened, the supporting arm 3 is rotated upward or downward, the supporting arm 3 is rotated to the rotation positioning hole 6 at the top or the bottom, and then the two positioning bolts 7 are tightened, so that the angle of the supporting arm 3 is fixed. When the three anti-tilt supporting rods 16 support the bottom column 1, the rubber pad 18 is always in a vertical state due to the endless rotation of the ball seat 17, and then the friction of the anti-tilt supporting rods 16 is increased, and the supporting effect is increased on the side; The connecting ring 23 is slid upward along the bottom sleeve 2, and then the three top blocks 24 are driven to rotate, thereby driving the three link rods 26 to rotate upward, and thereby driving the three anti-tilt supporting rods 16 to rotate upward, and thus the supporting structure 4 can be started to be stored, and the bottom column 1 is supported, and at the same time, the supporting force of the anti-tilt supporting rods 16 is transmitted to the connecting ring 23 through the link rods 26, thereby supporting the supporting arm 3 and sharing the supporting force The diameter of the blocking ring 28 is smaller than that of the connecting ring 23, and the bottom movement of the connecting ring 23 is limited by the blocking ring 28, thereby avoiding the disengagement of the connecting ring 23 from the bottom of the bottom sleeve 2; When the link rod 26 is driven to rotate, the rotating block 33 is also rotated, and when the insertion slot 34 is rotated to a vertical state, the top of the insertion slot 34 and the bottom of the insertion block 35 are on the same vertical line, at this time, the spring 37 is rebounded, the insertion block 35 is inserted into the insertion slot 34, and thus the angle of the rotating block 33 is fixed, and thus the angle of the link rod 26 is fixed, that is, the angle of the anti-tilt supporting rod 16 is automatically fixed; When the angle of the link rod 26 is fixed, the connecting ring 23, the link rod 26, the anti-tilt supporting rod 16 and the bottom ring 13 form a whole, at this time, the whole can be rotated along the arc-shaped slot 19, and then the whole is driven to slide downward along the three vertical slots 20, thereby driving the three anti-tilt supporting rods 16 to contact and support the bearing surface, when the angle fixation state of the rotating block 33 needs to be released, the abutting ring 32 is pulled upward, the three connecting rods 36 are synchronously driven upward, thereby driving the three insertion blocks 35 to be synchronously upward, the insertion block 35 is separated from the insertion slot 34, thereby releasing the fixation effect of the rotating block 33, and thus the rotating block 33, the link rod 26 and the anti-tilt supporting rod 16 can be reset; After the link rod 26 and the anti-tilt supporting rod 16 are unfolded and fixed, the whole is rotated, the bottom ring 13 is rotated, the sliding groove 40 is rotated, the sliding block 41 slides relative to the sliding groove 40, the top block 42 is in a static state together with the threaded rod 39 in this state, when the anti-tilt supporting rod 16 supports, the wrench is connected with the hexagonal block 43 outside, thereby driving the threaded rod 39 to rotate, and thus the top block 42 is driven to slide downward, thereby driving the bottom ring 13 to slide downward along the vertical slot 20, thereby increasing the supporting stability and supporting durability of the anti-tilt supporting rod 16.

[0030] The above shows and describes the basic principles and main features of the present application and the advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A crane with anti-tilt function, comprising a base column (1), wherein a base sleeve (2) is provided on the top of the base column (1), and two bearings (12) are fixedly connected inside the base sleeve (2) and located on the outer surface of the base column (1), characterized in that: The top of the bottom sleeve (2) is fixedly connected to two brackets (5), and a support arm (3) is provided between the two brackets (5). A pulley (10) is rotatably connected to the front end of the support arm (3). A fixed frame (8) is fixedly connected to the top of the support arm (3). A spool (9) is rotatably connected inside the fixed frame (8). A steel rope is wound around the outer surface of the spool (9). One end of the steel rope passes through the spool (9) and is fixedly connected to a hook (11). A storage support structure (4) is provided on the outer surface of the bottom column (1). The storage support structure (4) includes three anti-tilting support rods (16). Three arc-shaped grooves (19) are equidistantly opened on the outer surface of the bottom column (1). Three vertical grooves (20) are opened on the outer surface of the bottom column (1) at one end of the three arc-shaped grooves (19). A bottom ring (13) is provided on the outer surface of the bottom column (1) at the bottom of the bottom sleeve (2). Three sliders (21) are fixedly connected at equal intervals on the inner ring of the bottom ring (13). The sliders (21) are slidably connected inside the arc-shaped grooves (19). Three pairs of fixed blocks (14) are fixedly connected at equal intervals on the outer surface of the bottom ring (13). A rotating block (15) is rotatably connected inside each pair of fixed blocks (14). The three rotating blocks (15) are fixedly connected to the top of the three anti-tilting support rods (16) respectively.

2. A crane with anti-tilt function according to claim 1, characterized in that: The arm (3) is rotatably connected between two supports (5). The sides of the two supports (5) are provided with three rotating positioning holes (6) at equal intervals in an arc shape. The sides of the two supports (5) and the arm (3) are threaded with positioning bolts (7) that pass through the rotating positioning holes (6).

3. A crane with anti-tilt function according to claim 1, characterized in that: The bottom of each of the three anti-tilt support rods (16) is fixedly connected to a ball seat (17), and the bottom of the ball seat (17) is fixedly connected to a rubber pad (18).

4. A crane with anti-tilt function according to claim 1, characterized in that: A connecting support structure (22) is provided between the bottom sleeve (2) and the bottom column (1). The connecting support structure (22) includes three connecting rods (26). A connecting ring (23) is rotatably connected to the outer surface of the bottom sleeve (2). Three top blocks (24) are fixedly connected at equal intervals to the outer surface of the connecting ring (23). The outer surfaces of the three anti-tilting support rods (16) are all fixedly connected to bottom blocks (25). The connecting rods (26) are rotatably connected between the top blocks (24) and the bottom blocks (25).

5. A crane with anti-tilt function according to claim 4, characterized in that: The top and bottom of the connecting ring (23) are provided with support rings (27), and six small bolts are threadedly connected between the support ring (27) and the connecting ring (23).

6. A crane with anti-tilt function according to claim 1, characterized in that: A retaining ring (28) is provided on the outer surface of the bottom post (1) and between the bottom ring (13) and the support ring (27) near the bottom. The outer surface of the retaining ring (28) is connected with fastening bolts (29) at equal intervals. The retaining ring (28) is fixedly connected to the outer surface of the bottom post (1) by six fastening bolts (29). The retaining ring (28) can prevent the connecting ring (23) from sliding down until it is detached from the bottom sleeve (2).

7. A crane with anti-tilt function according to claim 1, characterized in that: The bottom of the three top blocks (24) is provided with a self-locking structure (30). The self-locking structure (30) includes three support blocks (31). The three support blocks (31) are fixedly connected to the top of the three top blocks (24). One end of the connecting rod (26) is fixedly connected to a rotating block (33). The rotating block (33) is rotatably connected to the top block (24). The outer surface of the rotating block (33) is provided with a slot (34). The bottom of the support block (31) is slidably connected to an insert block (35). The top of the insert block (35) passes through the top of the support block (31) and is fixedly connected to a connecting rod (36). The top of the insert block (35) and the top of the support block (31) are fixedly connected to a spring (37) on the outer surface of the connecting rod (36).

8. A crane with anti-tilt function according to claim 7, characterized in that: The insert (35) is adapted to the slot (34), and the top of the three connecting rods (36) is fixedly connected to the mating ring (32).

9. A crane with anti-tilt function according to claim 1, characterized in that: The outer surface of the bottom ring (13) is provided with a sliding groove (40), the sliding groove (40) is slidably connected to the inside of the sliding block (41), and the top block (42) is fixedly connected to the side. The outer surface of the bottom column (1) is fixedly connected to the bottom block (38). The bottom of the connecting ring (23) and the top of the bottom block (38) are rotatably connected to a threaded rod (39). The bottom of the threaded rod (39) passes through the bottom of the bottom block (38) and is fixedly connected to a hexagonal block (43).

10. A crane with anti-tilt function according to claim 9, characterized in that: The sliding groove (40) has the same length as the arc groove (19), and the sliding block (41) is located at the leftmost end of the sliding groove (40).

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