CN219653656U - Absolute type double-lifting-point winch type plane gate hoist - Google Patents

Absolute type double-lifting-point winch type plane gate hoist Download PDF

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Publication number
CN219653656U
CN219653656U CN202320441109.3U CN202320441109U CN219653656U CN 219653656 U CN219653656 U CN 219653656U CN 202320441109 U CN202320441109 U CN 202320441109U CN 219653656 U CN219653656 U CN 219653656U
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Prior art keywords
lifting
pulley
hoisting
hoisting mechanism
hoist
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CN202320441109.3U
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Chinese (zh)
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何新平
吴杭健
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Zhejiang Diya Machinery Co ltd
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Zhejiang Diya Machinery Co ltd
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Abstract

The utility model discloses an absolute type double-lifting-point winch type plane gate hoist which belongs to the technical field of hoists and comprises a frame, wherein a left winch mechanism and a right winch mechanism are symmetrically arranged above the frame, the right winch mechanism has the same structure as the left winch mechanism, a left lifting appliance is arranged below the left winch mechanism, a right lifting appliance is arranged below the right winch mechanism, and the left winch mechanism, the left lifting appliance, the right lifting appliance and the right winch mechanism are connected through a single steel wire rope. According to the utility model, the flexible connection between the left hoisting mechanism and the right hoisting mechanism is realized through the single steel wire rope, and the tightness of the steel wire rope can be automatically compensated when the hoist works, so that the lifting heights of the left lifting appliance and the right lifting appliance are balanced, and the complete synchronization of the lifting of the two lifting appliances is realized; the utility model can adopt a mode of winding steel wire ropes in multiple layers on the small-diameter winding drum to carry out high-lift hoisting operation, thereby greatly reducing the manufacturing cost and realizing the absolute synchronization of the lifting of the two lifting appliances.

Description

Absolute type double-lifting-point winch type plane gate hoist
Technical Field
The utility model belongs to the technical field of openers, and particularly relates to an absolute type double-hoisting-point winch type plane gate hoist.
Background
The double-lifting-point hoisting type plane gate hoist is a common device for hydraulic and hydroelectric engineering, and is used for hoisting and closing a double-lifting-lug plane gate, and two lifting slings are connected with the double lifting lugs of the plane gate.
At present, the lifting of two lifting appliances of a double-lifting-point winch type plane gate hoist is realized by running two sets of winch mechanisms with the same theoretical parameters, the two sets of winch mechanisms are respectively wound by two steel wire ropes and are connected by adopting a rigid synchronous shaft, and the lifting synchronism of the double lifting appliances is realized by inputting the speed consistency of the winch mechanisms.
The two reels have the defects that the diameters of the two reels are very small, the initial installation height of the lifting appliance is very close, the steel wire ropes cannot be disordered, and the distance between the lifting points is not too large; otherwise, the height difference of the double lifting appliances is overlarge, and the phenomena of gate inclination, blocking and the like occur. The situation is more prominent for the hoist with high lift and oversized hoisting point distance, and the normal work of the hoist is affected.
Disclosure of Invention
To solve the problems set forth in the background art. The utility model provides an absolute type double-lifting-point winch type plane gate hoist which has the characteristics that when the hoist works, the tightness of a steel wire rope can be automatically compensated, and the lifting height of a double lifting appliance is balanced, so that the complete synchronization of the lifting of the two lifting appliances is realized.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an absolute two hoisting point hoist type plane gate headstock gear, includes the frame, and left hoist mechanism and right hoist mechanism are installed to the top symmetry of frame, and right hoist mechanism is the same with left hoist mechanism's structure, and left hoist mechanism's below is equipped with left hoist, and right hoist mechanism's below is equipped with right hoist, connects through single wire rope between left hoist mechanism, left hoist, right hoist and the right hoist mechanism.
In order to enable the winding drum to rotate and realize winding and unwinding of the steel wire rope, the left winding mechanism comprises the winding drum and a driving motor, the winding drum and the driving motor are both arranged on the frame, and a reduction gear box is connected between the output end of the driving motor and the winding drum.
In order to realize the connection of the steel wire rope and the lifting appliance, further, a left pulley and a right pulley are respectively arranged above the right lifting appliance, the left pulley and the right pulley are arranged in parallel, and the structure of the left lifting appliance is the same as that of the right lifting appliance.
In order to facilitate the winding of the steel wire rope, further, the central axes of the left pulley and the right pulley are parallel to the central axis of the winding drum.
In order to form a pulley block by being matched with the left pulley and the right pulley, the left hoisting mechanism further comprises a first pulley, the first pulley is arranged on the frame, and the central axis of the first pulley is parallel to the central axis of the winding drum.
In order to balance the steel wire ropes, the left hoisting mechanism and the right hoisting mechanism can be connected through a single steel wire rope, and further, the left hoisting mechanism further comprises a second pulley, the second pulley is arranged on the frame, and the central axis of the second pulley is perpendicular to the central axis of the winding drum.
In order to make the output rotation speeds of the driving motors of the left hoisting mechanism and the right hoisting mechanism consistent, the driving motor of the left hoisting mechanism is further connected with the driving motor of the right hoisting mechanism through a synchronous shaft.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the flexible connection between the left hoisting mechanism and the right hoisting mechanism is realized through the single steel wire rope, and the tightness of the steel wire rope can be automatically compensated when the hoist works, so that the lifting heights of the left lifting appliance and the right lifting appliance are balanced, and the complete synchronization of the lifting of the two lifting appliances is realized;
2. the utility model can adopt a mode of winding steel wire ropes in multiple layers on the small-diameter winding drum to carry out high-lift hoisting operation, thereby greatly reducing the manufacturing cost and realizing the absolute synchronization of the lifting of the two lifting appliances;
3. the utility model can realize absolute synchronization of lifting of two lifting appliances even if two lifting mechanisms cannot be connected by a rigid synchronous shaft for the winch type plane gate hoist with the ultra-large lifting point distance.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is a schematic view of the left hoist mechanism of the present utility model;
FIG. 4 is a schematic view of the right spreader of the present utility model;
FIG. 5 is a schematic view of the structure of the hoisting mechanism, the hoist and the wire rope connection of the present utility model;
in the figure: 1. a frame; 2. a left hoisting mechanism; 21. a reel; 22. a first pulley; 23. a reduction gear box; 24. a driving motor; 25. a second pulley; 3. a synchronizing shaft; 4. a right hoisting mechanism; 5. a right sling; 51. a left pulley; 52. a right pulley; 6. a left sling; 7. a wire rope.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-5, the present utility model provides the following technical solutions: the utility model provides an absolute type double-hoisting-point winch type plane gate hoist, includes frame 1, and left hoist mechanism 2 and right hoist mechanism 4 are installed to frame 1's top symmetry, and right hoist mechanism 4 is the same with left hoist mechanism 2's structure, and left hoist mechanism 2's below is equipped with left hoist 6, and right hoist mechanism 4's below is equipped with right hoist 5, connects through single wire rope 7 between left hoist mechanism 2, left hoist 6, right hoist 5 and the right hoist mechanism 4.
Through adopting above-mentioned technical scheme, realized the flexonics between left hoist mechanism 2 and the right hoist mechanism 4 through single wire rope 7, at hoist during operation, can the elasticity of automatic compensation wire rope 7, the lifting height of hoist about balancing to realize the complete synchronization of two hoist lifts.
Specifically, the left winding mechanism 2 comprises a winding drum 21 and a driving motor 24, wherein the winding drum 21 and the driving motor 24 are both arranged on the frame 1, a reduction gear box 23 is connected between the output end of the driving motor 24 and the winding drum 21, and the winding drum of the left winding mechanism 2 and the winding drum spiral rope groove of the right winding mechanism 4 are opposite in rotation direction.
By adopting the technical scheme, the driving motor 24 and the reduction gear box 23 are used for reducing the speed to drive the winding drum 21 to rotate, so that the winding and unwinding of the steel wire rope 7 are realized.
Specifically, a left pulley 51 and a right pulley 52 are respectively installed above the right sling 5, the left pulley 51 and the right pulley 52 are arranged in parallel, and the structure of the left sling 6 is the same as that of the right sling 5.
By adopting the technical scheme, the connection between the steel wire rope 7 and the lifting appliance is realized.
Specifically, the left winding mechanism 2 further includes a first pulley 22, the first pulley 22 is mounted on the frame 1, and a central axis of the first pulley 22 is parallel to a central axis of the winding drum 21.
By adopting the technical scheme, the first pulley 22, the left pulley 51 and the right pulley 52 are matched to form a pulley block.
Specifically, the left hoisting mechanism 2 further includes a second pulley 25, the second pulley 25 is mounted on the frame 1, and a central axis of the second pulley 25 is perpendicular to a central axis of the winding drum 21.
By adopting the technical scheme, the steel wire ropes 7 are balanced, so that the left hoisting mechanism 2 and the right hoisting mechanism 4 can be connected through the single steel wire rope 7.
Example 2
This embodiment differs from embodiment 1 in that: specifically, the central axes of the left pulley 51 and the right pulley 52 are parallel to the central axis of the spool 21.
By adopting the technical scheme, the winding of the steel wire rope 7 is facilitated.
Example 3
This embodiment differs from embodiment 1 in that: specifically, the driving motor of the left hoisting mechanism 2 and the driving motor of the right hoisting mechanism 4 are also connected through the synchronizing shaft 3.
By adopting the technical scheme, the output rotating speeds of the driving motors of the left hoisting mechanism 2 and the right hoisting mechanism 4 are consistent.
The utility model calculates the synchronism, and the concrete analysis is as follows:
△H=H1-H2=0
wherein: h1 and H2 are the lifting heights of the right lifting appliance 5 and the left lifting appliance 6;
d1 and D2 are diameters of reels of the left hoisting mechanism 2 and the right hoisting mechanism 4;
n1 and n2 are average rotation speeds of driving motors of the left hoisting mechanism 2 and the right hoisting mechanism 4;
h1 and h2 are initial mounting heights of the right lifting appliance 5 and the left lifting appliance 6;
m is the multiplying power of the pulley block;
i is the total speed ratio;
t is the working time;
Δh is the difference in height between the two spreaders;
the above formula can be seen: the difference in height between the right spreader 5 and the left spreader 6 is 0, irrespective of the reel diameter, the initial mounting height of the spreaders, the average rotational speed of the motor and the working time.
In summary, the flexible connection between the left hoisting mechanism 2 and the right hoisting mechanism 4 is realized through the single steel wire rope 7, and the tightness of the steel wire rope 7 can be automatically compensated when the hoist works, so that the lifting heights of the left lifting tool and the right lifting tool are balanced, and the complete synchronization of the lifting of the two lifting tools is realized; the utility model can adopt a mode of winding steel wire ropes in multiple layers on the small-diameter winding drum to carry out high-lift hoisting operation, thereby greatly reducing the manufacturing cost and realizing the absolute synchronization of the lifting of the two lifting appliances; the utility model can realize absolute synchronization of lifting of two lifting appliances even if two lifting mechanisms cannot be connected by a rigid synchronous shaft for the winch type plane gate hoist with the ultra-large lifting point distance.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. An absolute double-hoisting-point winch type plane gate hoist comprises a frame and is characterized in that: the left hoisting mechanism and the right hoisting mechanism are symmetrically arranged above the frame, the right hoisting mechanism has the same structure as the left hoisting mechanism, a left hoisting device is arranged below the left hoisting mechanism, a right hoisting device is arranged below the right hoisting mechanism, and the left hoisting mechanism, the left hoisting device, the right hoisting device and the right hoisting mechanism are connected through a single steel wire rope.
2. The absolute type double-hoisting-point winch type plane gate hoist as claimed in claim 1, wherein: the left hoisting mechanism comprises a winding drum and a driving motor, the winding drum and the driving motor are both arranged on the frame, and a reduction gear box is connected between the output end of the driving motor and the winding drum.
3. The absolute type double-hoisting-point winch type plane gate hoist according to claim 2, characterized in that: the left pulley and the right pulley are respectively arranged above the right lifting appliance, the left pulley and the right pulley are arranged in parallel, and the structure of the left lifting appliance is the same as that of the right lifting appliance.
4. An absolute double-lifting-point winch type plane gate hoist as claimed in claim 3, wherein: the central axes of the left pulley and the right pulley are parallel to the central axis of the winding drum.
5. The absolute type double-hoisting-point winch type plane gate hoist according to claim 2, characterized in that: the left hoisting mechanism further comprises a first pulley, the first pulley is mounted on the frame, and the central axis of the first pulley is parallel to the central axis of the winding drum.
6. The absolute type double-hoisting-point winch type plane gate hoist according to claim 2, characterized in that: the left hoisting mechanism further comprises a second pulley, the second pulley is arranged on the frame, and the central axis of the second pulley is perpendicular to the central axis of the winding drum.
7. The absolute type double-hoisting-point winch type plane gate hoist according to claim 2, characterized in that: the driving motor of the left hoisting mechanism is also connected with the driving motor of the right hoisting mechanism through a synchronous shaft.
CN202320441109.3U 2023-03-09 2023-03-09 Absolute type double-lifting-point winch type plane gate hoist Active CN219653656U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320441109.3U CN219653656U (en) 2023-03-09 2023-03-09 Absolute type double-lifting-point winch type plane gate hoist

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320441109.3U CN219653656U (en) 2023-03-09 2023-03-09 Absolute type double-lifting-point winch type plane gate hoist

Publications (1)

Publication Number Publication Date
CN219653656U true CN219653656U (en) 2023-09-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
CN (1) CN219653656U (en)

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