CN218491250U - Automatic adjust focus's hoist well - Google Patents

Abstract

The utility model discloses a lifting appliance capable of automatically aligning the gravity center, which comprises a lifting device; the upper pulley set is wound with a first rigging and a second rigging, wherein one end of the first rigging is connected with the hoisting device; the first end lifting lug and the second end lifting lug are arranged on one side, away from the lifting device, of the upper pulley block, the first end lifting lug and the second end lifting lug are fixed relatively through the supporting piece, and one end of the second rigging is connected with the top of the first end lifting lug. The utility model discloses can realize lifting by crane different centrobaric quilt and hang the thing for hoist or hoist accessory and used repeatedly reduce the wasting of resources and reduce the hoist and mount cost.

Description

Automatic adjust focus's hoist well

Technical Field

The utility model relates to a lifting device technical field especially relates to an automatic adjust centrobaric hoist well.

Background

In the hoisting industry, the use of the lifting appliance is undoubtedly an indispensable tool in a plurality of using tools, the use frequency is high, and the lifting appliance is favored by a plurality of constructors due to the advantages of simple manufacture, convenient use and the like. In the actual hoisting process, due to the diversification of the gravity center of the hoisted object, part of the hoists or accessories of the hoists cannot be reused, so that the resource waste is caused, and the hoisting cost is increased.

When the eccentric hoisted object is hoisted, the following two hoisting schemes are provided for the hoisting tool.

The first hoisting scheme adopts turnbuckle or chain block to adjust, and the upper part of the hoisting tool adopting the adjusting mode needs to adopt two riggings with different lengths, and one of the riggings needs to realize the adjustment of the length of the rigging through the turnbuckle or the chain block, so that the purpose of adjusting the center of gravity is achieved. This kind of mode of regulation needs to adjust and repeatedly lift by crane at hoist idle load and verifies, wastes valuable hoist and mount time, manpower and material resources.

The second hoisting scheme is that the required length of the upper part rigging of the hoisting tool is calculated according to the theoretical center of gravity of the hoisted object, the rigging does not add an adjusting part, but when the actual center of gravity and the theoretical center of gravity of the hoisted object are deviated in the hoisting process, the hoisted object is inclined, and the hoisting risk is greatly increased.

By combining the reasons, a lifting appliance capable of automatically aligning the gravity center needs to be designed, so that the lifting appliance can lift lifted objects with different gravity centers.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatic adjust centrobaric hoist well to solve the problem that above-mentioned prior art exists, can realize lifting by crane different centrobaric quilt and hang the thing, make hoist or hoist accessory and used repeatedly, reduce the wasting of resources and reduce the hoist and mount cost.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides a lifting appliance capable of automatically aligning the gravity center, which comprises,

a hoisting device;

the lifting device comprises an upper pulley set, a lower pulley set and a lifting mechanism, wherein a first rigging and a second rigging are wound on the upper pulley set, and one end of the first rigging is connected with the lifting mechanism;

the first end lifting lug and the second end lifting lug are arranged on one side, far away from the lifting device, of the upper pulley block, the first end lifting lug and the second end lifting lug are fixed relatively through a supporting piece, one end of a second cable tool is connected with the top of the first end lifting lug, the other end of the second cable tool is sequentially wound at a first position of the upper pulley block, the second end lifting lug, the first end lifting lug and a second position of the upper pulley block, the other end of the second cable tool is connected with the top of the second end lifting lug, and the first end lifting lug and the second end lifting lug are the same in height;

and the hoisted object is hoisted on the first end lifting lug and the second end lifting lug.

Preferably, the upper pulley group includes the upper pulley otic placode of two relative settings, two the rigid coupling has the upper pulley axle on the upper pulley otic placode, the cover is equipped with first upper pulley piece, second upper pulley piece and third upper pulley piece on the upper pulley axle, first rigging is around establishing on the second upper pulley piece, first upper pulley piece does the first position of upper pulley group, the third upper pulley piece does the second position of upper pulley group.

Preferably, the first end lifting lug and the second end lifting lug are identical in structure, the first end lifting lug comprises two end lug plates which are arranged oppositely, a cable clamp shaft and a lower pulley shaft are fixedly connected between the two end lug plates, the cable clamp shaft is located above the lower pulley shaft, a lower pulley sheet is sleeved on the lower pulley shaft, two ends of the second rigging are respectively connected with the two cable clamp shafts, and the second rigging is respectively wound on the two lower pulley sheets.

Preferably, a lower hanging shaft is fixedly connected between the two end ear plates, the lower hanging shaft is positioned on one side of the lower pulley shaft away from the cable clamp shaft, the two lower hanging shafts are respectively connected with third cables, and the tail ends of the two third cables are respectively connected with different positions of a hung object.

Preferably, the supporting member is a supporting beam body, the supporting beam body is located between the first end lifting lug and the second end lifting lug, and two ends of the supporting beam body are fixedly connected with the end lug plate on the first end lifting lug and the end lug plate on the second end lifting lug respectively.

Preferably, the two ends of the supporting beam body are respectively and fixedly connected with a bolt group, one end of the bolt group, far away from the supporting beam body, is fixedly connected with the end lug plate on the first end lifting lug, and the other end of the bolt group, far away from the supporting beam body, is fixedly connected with the end lug plate on the second end lifting lug.

The utility model discloses a following technological effect:

1. through the relative fixed position of first end lug and second end lug, under the effect of second rigging for first end lug and second end lug are the same with ground height, and this kind of setting can make by the thing of being hung not take place the slope, and the guarantee lifts by crane safety.

2. The lifting appliance can lift lifted objects with different gravity centers, and the included angle of the second rigging on the upper pulley block is changed by moving the lifting device, so that the gravity center is automatically adjusted.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a front view of a spreader;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B;

FIG. 5 is a schematic diagram of the lifting appliance lifting an eccentric lifted object;

FIG. 6 is a schematic view showing the adjustment state of the eccentric hoisted object hoisted by the hoist;

FIG. 7 is a schematic view of a second rigging connection relationship;

FIG. 8 is an enlarged view of a portion of FIG. 1 at C;

the lifting device comprises 1-an upper pulley block, 101-an upper pulley lug plate, 102-an upper pulley shaft, 103-a first upper pulley plate, 104-a second upper pulley plate, 105-a third upper pulley plate, 2-a first rigging, 3-a second rigging, 4-a first end lifting lug, 401-an end lug plate, 402-a rope clamp shaft, 403-a lower pulley shaft, 404-a lower pulley plate, 405-a lower lifting shaft, 5-a second end lifting lug, 6-a lifted object, 7-a third rigging, 8-a support beam body, 9-a bolt group, 10-a lifting hook, 11-a lifted object actual gravity center and 12-a lifted object theoretical gravity center.

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.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1-7, the utility model provides a lifting appliance capable of automatically aligning the center of gravity, which comprises a lifting device; the device comprises an upper pulley block 1, wherein a first rigging 2 and a second rigging 3 are wound on the upper pulley block 1, and one end of the first rigging 2 is connected with a hoisting device; the first end lifting lug 4 and the second end lifting lug 5 are arranged on one side, far away from the lifting device, of the upper pulley block 1, the first end lifting lug 4 and the second end lifting lug 5 are fixed relatively through a supporting piece, one end of a second rigging 3 is connected with the top of the first end lifting lug 4, the other end of the second rigging 3 is sequentially wound at a first position of the upper pulley block 1, the second end lifting lug 5, the first end lifting lug 4 and a second position of the upper pulley block 1, the other end of the second rigging 3 is connected with the top of the second end lifting lug 5, and the first end lifting lug 4 is as high as the second end lifting lug 5; and the hung object 6 is hung on the first end lifting lug 4 and the second end lifting lug 5.

The hoisting device is used for applying force, one end of the first cable 2 is connected to the hoisting device, the other end of the first cable 2 is wound on the upper pulley block 1, the hoisting device drives the upper pulley block 1 to move under the action of the first cable 2, two first end lifting lugs 4 and two second end lifting lugs 5 which are relatively fixed in position are arranged below the upper pulley block 1, and the first end lifting lugs 4 and the second end lifting lugs 5 cannot relatively move under the action of the supporting piece, so that the second cable 3 is wound on the upper pulley block 1, the first end lifting lugs 4 and the second end lifting lugs 5, the second cable 3 forms a closed loop on the three components, and the stress points of the same cable are the same, so that the second cable 3 can ensure that the heights of the first end lifting lugs 4 and the second end lifting lugs 5 are the same as the ground, further ensure that the first end lifting lugs 4 and the second end lifting lugs 5 are in the same plane, and the hoisted object 6 is respectively connected to the positions corresponding to the first end lifting lugs 4 and the second end lugs 5, and the hoisted object 6 can be balanced.

The second rigging 3 has two ends, wherein one end is connected to the first end lifting lug 4, and the other end thereof firstly passes upward through the first position of the upper pulley block 1, then passes downward through the second end lifting lug 5, then extends toward the first end lifting lug 4 along the supporting member and winds around the first end lifting lug 4, and after passing through the first end lifting lug 4, the other end thereof continuously passes upward through the second position of the upper pulley block 1, and finally is connected to the second end lifting lug 5. The second rigging 3 forms a closed loop according to the winding manner, that is, the second rigging 3 can be slidably adjusted on the upper pulley block 1, the first end lug 4 and the second end lug 5, so that the first end lug 4 and the second end lug 5 are at the same height.

Further optimizing the scheme, the upper pulley set 1 includes two upper pulley ear plates 101 that set up relatively, and the rigid coupling has upper pulley axle 102 on two upper pulley ear plates 101, and the cover is equipped with first upper pulley piece 103 on the upper pulley axle 102, second upper pulley piece 104, third upper pulley piece 105, and first rigging 2 is around establishing on second upper pulley piece 104, and first upper pulley piece 103 is the first position of upper pulley set 1, and third upper pulley piece 105 is the second position of upper pulley set 1. The two upper pulley ear plates 101 are matched with the upper pulley shaft 102, and the three components form a frame body, wherein the upper pulley shaft 102 is used for supporting the first upper pulley piece 103, the second upper pulley piece 104 and the third upper pulley piece 105, and the two upper pulley ear plates 101 are used for preventing the first upper pulley piece 103, the second upper pulley piece 104 and the third upper pulley piece 105 from being separated from the upper pulley shaft 102.

Specifically, a first upper pulley piece 103, a second upper pulley piece 104, and a third upper pulley piece 105 are rotatably connected to the upper pulley shaft 102.

Alternatively, the second upper pulley piece 104 is preferably, but not limited to, located between the first upper pulley piece 103 and the third upper pulley piece 105, and the second rigging 3 can be effectively prevented from self-winding by the second upper pulley piece 104 spacing the first upper pulley piece 103 and the third upper pulley piece 105.

Specifically, as shown in fig. 7, for convenience of describing and observing the connection relationship of the second rigging 3, the first upper pulley piece 103 is offset apart from the third upper pulley piece 105.

According to a further optimized scheme, the first end lifting lug 4 and the second end lifting lug 5 are identical in structure, the first end lifting lug 4 comprises two end lug plates 401 which are arranged oppositely, a cable clamp shaft 402 and a lower pulley shaft 403 are fixedly connected between the two end lug plates 401, the cable clamp shaft 402 is located above the lower pulley shaft 403, a lower pulley sheet 404 is sleeved on the lower pulley shaft 403, two ends of a second rigging 3 are respectively connected with the two cable clamp shafts 402, and the second rigging 3 is respectively wound on the two lower pulley sheets 404. The two end ear plates 401 are matched and connected and fixed through the rope clamp shaft 402 and the lower pulley shaft 403, the two ends of the second rigging 3 are respectively connected to the rope clamp shaft 402 on the first end lifting lug 4 and the second end lifting lug 5, and the second rigging 3 is wound on the lower pulley piece 404 on the first end lifting lug 4 and the second end lifting lug 5.

In a further optimized scheme, a lower hanging shaft 405 is fixedly connected between the two end ear plates 401, the lower hanging shaft 405 is positioned on one side of the lower pulley shaft 403 far away from the cable clamp shaft 402, the two lower hanging shafts 405 are respectively connected with third cables 7, and the tail ends of the two third cables 7 are respectively connected with different positions of the hoisted object 6. Two third riggings 7 respectively extend out of the two lower hoisting shafts 405, the two third riggings 7 are respectively connected to different positions of the hoisted object 6, and the hoisted object 6 is hoisted in a balanced manner under the action of the second rigging 3.

Specifically, the end ear plate 401 has a round body and two convex bodies, the lower pulley shaft 403 and the round body are coaxially arranged, one convex body is fixedly connected with the top end of the round body and obliquely arranged with the horizontal plane, the cable clamp shaft 402 is fixed on the convex body, the other convex body is fixedly connected with the bottom end of the round body and vertically arranged with the horizontal plane, and the suspended object 6 is connected with the convex body at the bottom end of the round body. Because the round bodies and the lower pulley shaft 403 are coaxially arranged, when the second rigging 3 is wound on the two lower pulley shafts 403, the two round bodies can be ensured to be at the same height, so that the convex bodies positioned below the round bodies are at the same height, and the convex bodies positioned below the round bodies are vertically arranged with the horizontal plane, thereby ensuring the balanced hoisting of the hoisted object 6.

Furthermore, the round body and the two convex bodies are of an integrally formed structure.

Optionally, two ends of the second rigging 3 can be sleeved on the rope clamp shaft 402, the third rigging 7 can be sleeved on the lower hanging shaft 405, so as to realize the connection between the second rigging 3 and the rope clamp shaft 402, and the connection between the third rigging 7 and the lower hanging shaft 405.

According to the further optimization scheme, the supporting piece is a supporting beam body 8, the supporting beam body 8 is located between the first end lifting lug 4 and the second end lifting lug 5, and two ends of the supporting beam body 8 are fixedly connected with an end lug plate 401 on the first end lifting lug 4 and an end lug plate 401 on the second end lifting lug 5 respectively. The supporting beam body 8 is a structural body with certain rigidity, and the existence of the supporting beam body 8 prevents the first end lifting lug 4 and the second end lifting lug 5 from relatively moving.

According to the further optimization scheme, the two ends of the supporting beam body 8 are fixedly connected with bolt groups 9 respectively, one end, far away from the supporting beam body 8, of one bolt group 9 is fixedly connected with the end lug plate 401 on the first end lifting lug 4, and one end, far away from the supporting beam body 8, of the other bolt group 9 is fixedly connected with the end lug plate 401 on the second end lifting lug 5.

Specifically, the bolt group 9 includes a connecting plate and a plurality of connecting bolts, and fixes the connecting plate on the end surface of the support beam body 8 through the connecting bolts, and one side of the connecting plate away from the support beam body 8 contacts with the two end ear plates 401, and simultaneously, the plurality of connecting bolts pass through the connecting plate and are fixed with the two end ear plates 401 in a threaded connection manner.

Further, the hoisting means is preferably, but not limited to, a hoisting hook 10, the shank of the hoisting hook 10 being connected to the first rigging 2. The first rigging 2 is suspended from the lifting hook 10, completing the connection of the first rigging 2 to the lifting hook 10.

Specifically, if the center of gravity of the object 6 to be lifted is uneven, the lifting device is connected to the object 6 to be lifted as shown in fig. 1, so that the lifting hook 10 must be moved to the side of the actual center of gravity 11 of the object to be lifted, and when the center line of the hook body of the lifting hook 10 coincides with the vertical line of the actual center of gravity 11 of the object to be lifted (as shown in fig. 5), the upper sheave block 1 also coincides with the vertical line of the actual center of gravity 11 of the object to be lifted under the traction of the lifting hook 10, thereby realizing balanced lifting of the object 6 to be lifted.

Specifically, when the actual gravity center 11 of the lifted object and the theoretical gravity center 12 of the lifted object are deviated (as shown in fig. 6), the lifting hook 10, the upper pulley block 1, and the lifted object 6 may be pulled askew or obliquely, at this time, the position of the lifting hook 10 needs to be adjusted, the lifting hook 10 directly moves horizontally to the actual gravity center 11 side of the lifted object, and the center line of the lifting hook 10 coincides with the vertical line of the actual gravity center 11 of the lifted object (as shown in fig. 5), at this time, the upper pulley block 1 also coincides with the vertical line of the actual gravity center 11 of the lifted object under the traction of the lifting hook 10, so as to realize the balanced lifting of the lifted object 6.

Specifically, in the actual hoisting process, since the hoisted object 6 is not easy or impossible to move, the hoisted object 6 is guaranteed to be hoisted in balance by moving the hoisting hook 10.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims (6)

1. The utility model provides an automatic adjust focus's hoist which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

a hoisting device;

the device comprises an upper pulley block (1), wherein a first rigging (2) and a second rigging (3) are wound on the upper pulley block (1), and one end of the first rigging (2) is connected with the hoisting device;

the first end lifting lug (4) and the second end lifting lug (5) are arranged on one side, far away from the lifting device, of the upper pulley block (1), the first end lifting lug (4) and the second end lifting lug (5) are fixed relatively through a supporting piece, one end of the second rigging (3) is connected with the top of the first end lifting lug (4), the other end of the second rigging (3) is sequentially wound on the first position of the upper pulley block (1), the second end lifting lug (5), the first end lifting lug (4) and the second position of the upper pulley block (1), the other end of the second rigging (3) is connected with the top of the second end lifting lug (5), and the first end lifting lug (4) and the second end lifting lug (5) are the same in height;

and the hung object (6) is hung on the first end lifting lug (4) and the second end lifting lug (5).

2. The self-aligning gravity center spreader of claim 1, wherein: go up pulley group (1) including two relative upper pulley otic placodes (101) that set up, two the rigid coupling has upper pulley axle (102) on upper pulley otic placode (101), the cover is equipped with first upper pulley piece (103), second upper pulley piece (104) and third upper pulley piece (105) on upper pulley axle (102), first rigging (2) are around establishing on second upper pulley piece (104), first upper pulley piece (103) do the first position of upper pulley group (1), third upper pulley piece (105) do the second position of upper pulley group (1).

3. The self-aligning gravity center spreader of claim 1, wherein: the first end lifting lug (4) and the second end lifting lug (5) are identical in structure, the first end lifting lug (4) comprises two end lug plates (401) which are oppositely arranged, a rope clamping shaft (402) and a lower pulley shaft (403) are fixedly connected between the end lug plates (401), the rope clamping shaft (402) is located above the lower pulley shaft (403), a lower pulley piece (404) is sleeved on the lower pulley shaft (403), two ends of the second rigging (3) are respectively connected with the rope clamping shaft (402), and the second rigging (3) is respectively wound on the lower pulley piece (404).

4. The self-aligning gravity center spreader of claim 3, wherein: a lower hanging shaft (405) is fixedly connected between the two end lug plates (401), the lower hanging shaft (405) is positioned on one side, away from the rope clamp shaft (402), of the lower pulley shaft (403), third ropes (7) are respectively connected to the two lower hanging shafts (405), and the tail ends of the third ropes (7) are respectively connected with different positions of a lifted object (6).

5. The self-aligning gravity center spreader of claim 3, wherein: the supporting piece is a supporting beam body (8), the supporting beam body (8) is located between the first end lifting lugs (4) and the second end lifting lugs (5), and two ends of the supporting beam body (8) are fixedly connected with the end ear plates (401) on the first end lifting lugs (4) and the end ear plates (401) on the second end lifting lugs (5) respectively.

6. The self-aligning gravity center spreader of claim 5, wherein: and two ends of the supporting beam body (8) are fixedly connected with bolt groups (9) respectively, one bolt group (9) is far away from one end of the supporting beam body (8) and the end lug plate (401) fixedly connected to the first end lifting lug (4), and the other bolt group (9) is far away from one end of the supporting beam body (8) and the end lug plate (401) fixedly connected to the second end lifting lug (5).

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