CN211769927U - Small floating derrick crane for low clearance operation - Google Patents

Abstract

The utility model relates to a floating crane equipment technical field just discloses a small-size floating gin pole crane for low headroom operation, including the kicking block, one side fixed mounting of kicking block upper surface has the backup pad, the handle has been cup jointed in one side activity of backup pad, and the inboard swing joint of backup pad has the rotation axis, fixedly connected with rope on the rotation axis, the opposite side fixed mounting of kicking block has the base, the top fixed mounting of base has outer loop bar, outer loop bar's inner chamber is fixed to have cup jointed swivel bearing, and one side fixed mounting of outer loop bar surface has a leading pulley. The utility model discloses a set up a rotation axis in one side of floating block to thereby utilize the handle light effect of realizing rotatory rotation axis, make the rope of connection on the rotation axis can contract or relax, thereby hoist article, simple to use, the volume of device is less simultaneously, is fit for low headroom department operation, has increased the application range of device, has improved work efficiency simultaneously.

Description

Small floating derrick crane for low clearance operation

Technical Field

The utility model relates to a floating crane equipment technical field specifically is a small-size floating gin pole hangs for low headroom operation.

Background

Floating crane refers to a floating platform carrying a crane, which can be moved to any desired place in a harbor, the goods are transferred to the ship by depending on the berth or moving to an anchoring ground, the operation of the overwater hoisting equipment is often required to be completed by using a floating crane because the goods such as construction equipment, piers and the like are often carried in the construction of the large-span bridge, and after the bridge construction is finished, the cast-in-place support below the bridge needs to be dismantled, but the lower part of the bridge is provided with a large number of connecting systems, the clearance is extremely small (the minimum height of the clearance above water is only 3.6m), large-scale equipment such as a floating crane cannot enter the operation under the bridge, so the large-scale equipment needs to be manually carried and dismantled, the labor intensity is high, and the safety factor is low, safety accidents are easily caused, meanwhile, the working efficiency is extremely low, and the device is not suitable for the construction of large bridges, so that the small floating derrick crane for low-clearance operation is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a small-size floating gin pole that is used for low headroom operation hangs possesses simple to use, is fit for the low use of department of headroom, improves work efficiency, reduces intensity of labour's advantage, has solved the problem that above-mentioned background art provided.

The utility model provides a following technical scheme: a small floating derrick crane for low clearance operation comprises a floating block, a supporting plate is fixedly mounted on one side of the upper surface of the floating block, a handle is sleeved on one side of the supporting plate in a movable mode, a rotating shaft is movably connected to the inner side of the supporting plate, a rope is fixedly connected to the rotating shaft, a base is fixedly mounted on the other side of the floating block, an outer sleeve rod is fixedly mounted at the top end of the base, a rotating bearing is fixedly sleeved in an inner cavity of the outer sleeve rod, a guide pulley is fixedly mounted on one side of the outer surface of the outer sleeve rod, a rotating rod is fixedly sleeved on the inner side of the rotating bearing, a first pulley is fixedly mounted at the top end of the rotating rod, a fixed block is fixedly mounted on one side of the rotating rod, a suspension arm is fixedly sleeved on the fixed block, an inner supporting rod, handles are fixedly mounted on two sides of the top end of the suspension arm, and a second pulley is fixedly mounted at the top end of the inner supporting rod.

Carefully, the quantity of backup pad is two, two the both ends at the rotation axis are installed respectively to the backup pad, the height value of backup pad is greater than the diameter value of rotation axis.

And carefully selecting, wherein the rope is sequentially and movably connected to the bottom end of the guide pulley, the top end of the first pulley and the top end of the second pulley.

And carefully selecting, wherein the number of the rotating bearings is two, and the two rotating bearings are respectively arranged at the bottom and the top of the inner cavity of the outer loop bar.

Preferably, the outer diameter of the rotating rod is equal to the inner diameter of the rotating bearing, and the length of the rotating rod is greater than the total length of the outer sleeve rod and the base.

Carefully selecting, the shape of fixed block is the chevron shape, and the both sides fixed connection of fixed block is in the outside of davit.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses a set up a rotation axis in one side of floating block to thereby utilize the handle light effect of realizing rotatory rotation axis, make the rope of connection on the rotation axis can contract or relax, thereby hoist article, simple to use, the volume of device is less simultaneously, is fit for low headroom department operation, has increased the application range of device, has improved work efficiency simultaneously.

2. The utility model discloses a set up a guide pulley in one side of outer loop bar, thereby still be provided with first pulley and second pulley simultaneously and make when carrying article light more, reduce intensity of labour to utilize guide pulley to inject the position of rope, guaranteed the stability of structure, set up two handles in the both sides on the top of davit simultaneously, and can connect the rope on hand, the rotation of the direction that the pulling rope can realize the device, improve the practicality of device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the structure of the present invention;

fig. 3 is a schematic view of the structure of the rotary bearing of the present invention.

In the figure: 1. floating blocks; 2. a support plate; 3. a grip; 4. a rotating shaft; 5. a rope; 6. a base; 7. an outer loop bar; 8. a rotating bearing; 9. a guide pulley; 10. rotating the rod; 11. a first pulley; 12. a fixed block; 13. a suspension arm; 14. an inner support bar; 15. a fixing plate; 16. a handle; 17. a second pulley.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a small floating derrick crane for low clearance operation comprises a floating block 1, wherein one side of the upper surface of the floating block 1 is fixedly provided with two support plates 2, the two support plates 2 are respectively arranged at two ends of a rotating shaft 4, the height value of each support plate 2 is larger than the diameter value of the rotating shaft 4, the position of the rotating shaft 4 is fixed by the two support plates 2, the height value of each support plate 2 is larger than the diameter value of the rotating shaft 4, so that the rotating shaft 4 is not contacted with the floating block 1 and is in a suspended state, the rationality of the structure is ensured, the rotating shaft 4 can rotate, the purpose of contracting and releasing a rope 5 is realized, the practicability of the device is improved, one side of each support plate 2 is movably sleeved with a handle 3, the inner side of each support plate 2 is movably connected with the rotating shaft 4, the rope 5 is fixedly connected to the, the rope 5 is sequentially movably connected to the bottom end of the guide pulley 9, the top end of the first pulley 11 and the top end of the second pulley 17, the rope 5 is sequentially connected to the guide pulley 9, the first pulley 11 and the second pulley 17, stable operation of the device is guaranteed, meanwhile, the position of the rope 5 is limited by the guide pulley 9, reliability of the device is guaranteed, the rope 5 is additionally connected to three pulleys, so that a worker can use the device more easily, labor intensity is effectively reduced, the base 6 is fixedly installed on the other side of the floating block 1, the outer sleeve rod 7 is fixedly installed at the top end of the base 6, the rotary bearings 8 are fixedly sleeved in the inner cavity of the outer sleeve rod 7, the number of the rotary bearings 8 is two, the two rotary bearings 8 are respectively installed at the bottom and the top of the inner cavity of the outer sleeve rod 7, the number of the rotary bearings 8 is set to be two, and when, the device can be more stable, in addition, the rotating bearings 8 are arranged at the bottom end and the top end of the outer loop bar 7, when the rotating rod 10 is sleeved in the rotating bearings 8, the outer loop bar 7 is fixed more stably by using the two rotating bearings 8 and cannot deflect, the stability of the structure is ensured, a guide pulley 9 is fixedly arranged at one side of the outer surface of the outer loop bar 7, the rotating rod 10 is fixedly sleeved at the inner side of the rotating bearings 8, the outer diameter value of the rotating rod 10 is equal to the inner diameter value of the rotating bearings 8, the length value of the rotating rod 10 is larger than the total length of the outer loop bar 7 and the base 6, the outer diameter value of the rotating rod 10 is equal to the inner diameter value of the rotating bearings 8, the fixing of the rotating rod 10 in the rotating bearings 8 is firmer, the stability of the device is enhanced, meanwhile, the length value of the rotating rod 10 is set to be larger than the total length, the direct connection of the structures of the device is more stable, the reliability of the device is improved, the top end of the rotary rod 10 is fixedly provided with the first pulley 11, one side of the rotary rod 10 is fixedly provided with the fixed block 12, the fixed block 12 is in a shape of Chinese character 'shan', two sides of the fixed block 12 are fixedly connected to the outer side of the suspension arm 13, two ends of the fixed block 12 are fixedly connected to the outer side of the suspension arm 13, the middle end of the fixed block 12 is fixedly sleeved in the inner cavity of the suspension arm 13, the suspension arm 13 is connected more stably, the suspension arm 13 is prevented from slipping and breaking when in use, safety accidents are caused, the safety of the device is improved, the suspension arm 13 is fixedly sleeved on the fixed block 12, the inner cavity of the suspension arm 13 is fixedly sleeved with the inner support rod 14, two sides of the outer surface of the suspension arm 13 are fixedly connected with the fixed, the top end of the inner support rod 14 is fixedly provided with a second pulley 17.

The working principle is as follows: when the device is used, the device is assembled in the installation sequence, then the device is moved to a position needing to be carried, after the rope 5 is put down by using the handle 3 to lift an object, the handle 3 is rotated to enable the rotating shaft 4 to rotate to shrink the rope, the rotating rod 10 sleeved in the rotating bearing 8 can rotate, the rope on the handle 16 at the top end of the suspension arm 13 is pulled to realize the rotation of the suspension arm 13, so that the object is carried above the required position, then the handle 3 is rotated to enable the rotating shaft 4 to start rotating to loosen the rope 5, so that the object slowly falls to the position needing to be carried, and finally the steps are repeated to finish the carrying.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A small-size floating derrick crane for low-clearance operation, includes kicking block (1), its characterized in that: the floating block comprises a floating block body (1), a supporting plate (2) is fixedly arranged on one side of the upper surface of the floating block body (1), a handle (3) is sleeved on one side of the supporting plate (2), a rotating shaft (4) is movably connected to the inner side of the supporting plate (2), a rope (5) is fixedly connected to the rotating shaft (4), a base (6) is fixedly arranged on the other side of the floating block body (1), an outer sleeve rod (7) is fixedly arranged on the top end of the base (6), a rotating bearing (8) is fixedly sleeved on the inner cavity of the outer sleeve rod (7), a guide pulley (9) is fixedly arranged on one side of the outer surface of the outer sleeve rod (7), a rotating rod (10) is fixedly sleeved on the inner side of the rotating bearing (8), a first pulley (11) is fixedly arranged on the top end of the rotating rod (10), a fixing block (12) is fixedly arranged, an inner supporting rod (14) is fixedly sleeved in an inner cavity of the suspension arm (13), fixing plates (15) are fixedly connected to two sides of the outer surface of the suspension arm (13), handles (16) are fixedly mounted on two sides of the top end of the suspension arm (13), and a second pulley (17) is fixedly mounted on the top end of the inner supporting rod (14).

2. A small derrick crane as claimed in claim 1, wherein the derrick crane comprises: the quantity of backup pad (2) is two, two both ends at rotation axis (4) are installed respectively in backup pad (2), the height value of backup pad (2) is greater than the diameter value of rotation axis (4).

3. A small derrick crane as claimed in claim 1, wherein the derrick crane comprises: the rope (5) is sequentially and movably connected to the bottom end of the guide pulley (9), the top end of the first pulley (11) and the top end of the second pulley (17).

4. A small derrick crane as claimed in claim 1, wherein the derrick crane comprises: the number of the rotating bearings (8) is two, and the two rotating bearings (8) are respectively installed at the bottom and the top of the inner cavity of the outer loop bar (7).

5. A small derrick crane as claimed in claim 1, wherein the derrick crane comprises: the outer diameter value of the rotating rod (10) is equal to the inner diameter value of the rotating bearing (8), and the length value of the rotating rod (10) is larger than the total length of the outer loop bar (7) and the base (6).

6. A small derrick crane as claimed in claim 1, wherein the derrick crane comprises: the shape of the fixed block (12) is in a shape of Chinese character 'shan', and two sides of the fixed block (12) are fixedly connected to the outer side of the suspension arm (13).

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