CN216426446U - Movable pulley lifting mechanism - Google Patents
Movable pulley lifting mechanism Download PDFInfo
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- CN216426446U CN216426446U CN202122197676.2U CN202122197676U CN216426446U CN 216426446 U CN216426446 U CN 216426446U CN 202122197676 U CN202122197676 U CN 202122197676U CN 216426446 U CN216426446 U CN 216426446U
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Abstract
The utility model provides a movable pulley lifting mechanism, which comprises a lifting device, a fixed base, a lifting piece and a power device, wherein the fixed base is fixedly arranged on the lifting piece; the lifting device is arranged on the fixed base; the power device is arranged at a preset distance from the fixed base; a connecting piece is arranged on the fixed base; the lifting piece is arranged below the lifting device, one end of the connecting piece is fixed on the power device, and the other end of the connecting piece passes through the lifting device in a steering mode and penetrates through the lifting piece to be fixed on the fixed base. By adopting the movable pulley lifting mechanism, the to-be-lifted piece is connected with the lifting device and the power device through the connecting rope, and the partial pressure is divided by the power device and the lifting device, so that the energy-saving effect is achieved in the lifting process of the to-be-lifted piece.
Description
Technical Field
The utility model relates to the technical field of mining equipment, in particular to a movable pulley lifting mechanism.
Background
In mining engineering, in order to conveniently link the connection between the ground and the underground, a mine hoisting device is often used, and the hoisting of coal, ores, gangues, lifting personnel, lowering materials, tools, equipment and the like is realized through hoisting machinery by means of a steel wire rope and a hoisting container.
However, in the process of mine construction, the lifting of ores and gangue consumes extremely large electric energy, the load of a winch used by a lifting machine during lifting is very high, if the winch of the lifting equipment is under the operating conditions of high load and high energy consumption for a long time, the failure rate of the winch is greatly increased, and the danger coefficient is increased.
Therefore, there is a need for a new hoisting device that can reduce the hoisting load of the hoist and the consumption of electric energy, and improve the working efficiency of the hoist.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention provides a movable pulley lifting mechanism, which can reduce the workload of the equipment and reduce the energy consumption, and has the advantages of simple structure, convenient operation, etc.
The utility model provides a movable pulley lifting mechanism, which comprises a lifting device, a fixed base, a lifting piece and a power device, wherein the fixed base is fixedly arranged on the movable pulley; the lifting device is arranged on the fixed base; the power device is arranged at a preset distance from the fixed base; a connecting piece is arranged on the fixed base; the lifting piece is arranged below the lifting device, one end of the connecting piece is fixed on the power device, and the other end of the connecting piece passes through the lifting device in a steering mode and penetrates through the lifting piece to be fixed on the fixed base.
In addition, it is preferable that the fixed base is a head sheave platform.
In addition, it is preferable that a slide wheel is provided on the lift.
Further, it is preferable that the sliding wheel and the lifting member are connected by a support frame; wherein the support frame comprises four support legs; one end of each supporting leg is uniformly distributed on the lifting piece, and the end, opposite to the connecting point of the lifting piece, of each supporting leg is connected with the sliding wheel; the movable pulley comprises a positive fixing position and a negative fixing position, two supporting legs on the same side of the fixing positions are fixed on the fixing position on one side, and the supporting legs on the other two same sides of the fixing positions are fixed on the fixing position on the other side.
Furthermore, it is preferable that the lifting member is a cage.
In addition, it is preferable that the lifting device is a movable sheave.
In addition, the preferable structure is that the connecting piece is a steel wire rope.
In addition, the power device is preferably a winch; the winch comprises a single-roller winch and a double-roller winch.
In addition, the preferable structure is that the lifting device also comprises a track matched with the lifting piece; wherein, the track includes rigid cage guide, wire rope cage guide.
In addition, it is preferable that a rail fixing portion connected to the rail is provided on the lifting member.
Compared with the prior art, the movable pulley lifting mechanism at least has the following advantages:
1. according to the movable pulley lifting mechanism, the gravity generated by part of the cage is shared by the head sheave platform, the lifting force is provided by the hoisting of the other part of the cage, and through the design, the load of the hoisting is reduced, so that the safety of equipment is ensured, and the energy consumption is reduced during the hoisting.
2. The movable pulley lifting mechanism is simple in structure, convenient and fast to operate and suitable for most of mine roadway construction and mining periods.
From the above description, the movable pulley lifting mechanism provided by the utility model improves the existing operation method, has a wide application range and is simple to operate, and the safety of an operation site is improved while the hoisting load is reduced.
Drawings
Other objects and results of the present invention will become more apparent and more readily appreciated as the same becomes better understood by reference to the following description and appended claims, taken in conjunction with the accompanying drawings.
In the drawings:
FIG. 1 is a schematic diagram of a moving sheave lift mechanism according to an embodiment of the present invention;
FIG. 2 is a perspective view of a traveling block cage according to an embodiment of the present invention;
FIG. 3 is a front view of a traveling block cage according to an embodiment of the present invention;
FIG. 4 is a side view of a traveling block cage according to an embodiment of the present invention;
FIG. 5 is a top view of a traveling block cage according to an embodiment of the present invention;
FIG. 6 is a front rail view of a moving sheave lift mechanism according to an embodiment of the present invention;
fig. 7 is a side view of a track of a moving sheave lifting mechanism according to an embodiment of the present invention.
Description of the drawings:
1. lifting device 2, fixed base 3, lifting piece 4 and power device
5. Connecting piece 6, support frame 7, track 8, movable pulley
9. Track fixing position
The same reference numbers in all figures indicate similar or corresponding features or functions.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a moving sheave lift mechanism according to an embodiment of the present invention; FIG. 2 is a perspective view of a traveling block cage according to an embodiment of the present invention; FIG. 3 is a front view of a traveling block cage according to an embodiment of the present invention; FIG. 4 is a side view of a traveling block cage according to an embodiment of the present invention; FIG. 5 is a top view of a traveling block cage according to an embodiment of the present invention; FIG. 6 is a front rail view of a moving sheave lift mechanism according to an embodiment of the present invention; fig. 7 is a side view of a track of a moving sheave lifting mechanism according to an embodiment of the present invention.
As shown in fig. 1-7, the movable pulley lifting mechanism of the present invention includes a lifting device 1, a fixed base 2, a lifting member 3 and a power device 4, wherein the lifting device 4 is disposed on the fixed base 2, a connecting member 5 is disposed on the fixed base 2, the lifting member 3 is disposed below the lifting device 1, one end of the connecting member 5 is fixed on the power device 4, and the other end of the connecting member 5 is turned by the lifting device 1 to pass through the lifting member 3 and be fixed on the fixed base 2.
Wherein, fixed baseplate 2 is the head sheave platform, and hoisting device 1 is the movable pulley, and fixed the setting is at fixed baseplate 2's top, and power device 4 sets up in the position department apart from fixed baseplate 2 default distance, and specific position is according to fixed baseplate 2's height control power device 4 apart from fixed baseplate 2's distance, connects rope and level ground contained angle and is no longer than 40.
The lifting piece 3 is a cage, the cage is a double-layer cage, a sliding wheel 8 is fixedly arranged on the lifting piece 3, and the sliding wheel 8 is connected with the lifting piece 3 through a support frame 6; wherein, support frame 6 includes four landing legs, and the one end evenly distributed of landing leg is on lifting member 3, and the landing leg links to each other with lifting member 3 tie point opposite one end and movable pulley 8, and wherein, movable pulley 8 includes the fixed position of two positive and reverse faces, and is detailed, for the both ends of the shaft position of movable pulley 8, is located two landing legs of fixed position homonymy and fixes the epaxial at one side of wheel, and the landing leg of other two homonymies is fixed at the epaxial at the opposite side of wheel, also can be other fixed modes, does not do not limit here.
Connecting piece 5 is wire rope, power device 4 is the hoist, hoist 4 includes single cylinder hoist and twin drum hoist, when hoist 4 is single cylinder hoist, connect a hoisting member 3, when hoist 4 is twin drum hoist, connect two hoisting members 3 simultaneously, when promoting two hoisting members 3, 5 according to clockwise winding of two connecting pieces, another according to anticlockwise winding, one is at the ascending process another in the process of descending when promoting two hoisting members 3 like this, make the hoisting member 3 of the ascending in-process obtain the power of providing of hoisting member 3 of the descending in-process, just offset the required some lifting force that provides of power device 4, reach partial pressure "energy-conserving" purpose.
From the above analysis, when the hoist 4 selects the double-drum hoist, the energy saving effect is better.
The movable pulley hoisting mechanism further comprises a rail matched with the hoisting part 3, the rail 7 comprises a rigid cage guide, a steel wire rope cage guide and the like, and in detail, the rail 7 is arranged between the fixed base 2 and the mine bottom and used for ensuring the stability of the hoisting part 3 in the device.
It is specific, track 7 sets up at the middle part that promotes piece 3 for the both sides of movable pulley 8, it is detailed, be provided with track fixed position 9 on promoting piece 3, be used for linking to each other promoting piece 3 and track 7, the position and the quantity of track fixed position 9 can be customized and adjust, in this embodiment, track fixed position 9 sets up in the length of promoting piece 3 to on the surface, can guarantee through track fixed position 9 that track 7 can not receive the interference of connecting piece 5, avoid appearing the emergence of dangerous condition such as kinking, influence the security and the stability of equipment.
Special attention is required to the fact that the device is not usable during shaft construction.
It is particularly emphasized that the position in which the connecting piece 5 is connected to the fixed base 2 and the hoisting device 1 on the fixed base 2 are vertically lowered with the rope from the lower rope throwing point, the distance and direction of the two rope throwing points must be the same as the distance and direction of the two rope throwing points of the sliding wheel 8 on the hoisting device 3, again ensuring the stability of the device.
The device related in the above description, the present invention is not particularly limited, and may be replaced according to actual requirements in the actual operation process on site to achieve the corresponding purpose.
The stress analysis of the movable pulley lifting mechanism in the lifting operation process is as follows:
when the movable pulley lifting mechanism is used for lifting, if the selected winch is a single roller, a single lifting piece 3 is lifted, if the total lifting gravity is G, the lifting force required by the winch is G/2, and the residual G/2 gravity is transferred to the fixed base 2 through a sliding wheel 8 arranged at the top of the lifting piece 3.
If the two hoisting drums selected during use respectively lift the two hoisting members 3, assuming that the total gravity of the hoisting members 3 when fully loaded is G and the total gravity of the hoisting members 3 when unloaded is G, since the two hoisting members 3 are lifted by the same hoisting machine, one hoisting member 3 is always in a lifting state and one hoisting member 3 is in a descending state during use, when one hoisting member 3 is fully lifted, the hoisting force required by hoisting is (G-G)/2, and the same remaining gravity is transferred to the fixed base 2 through the sliding wheel 8.
In the movable pulley lifting mechanism, a new concept is provided for lifting the lifting piece, and the adoption of the method for lifting the ores and the gangues can effectively reduce the lifting load of the winch and the consumption of electric energy, improve the working efficiency of the winch and provide substantial help for mine production.
According to the technical scheme, the movable pulley lifting mechanism provided by the utility model at least has the following advantages:
1. according to the movable pulley lifting mechanism, the gravity generated by part of the cage is shared by the head sheave platform, the lifting force is provided by the hoisting of the other part of the cage, and the load of the hoisting is reduced by the design, so that the safety of equipment is ensured.
2. The movable pulley lifting mechanism reduces the energy consumption while reducing the hoisting load, and has long-term practical significance.
3. The movable pulley lifting mechanism is simple in structure and convenient and fast to operate.
4. The movable pulley lifting mechanism is high in practicability and suitable for most of mine roadway construction and mining periods.
The movable sheave lifting mechanism according to the present invention is described above by way of example with reference to the accompanying drawings. However, it will be appreciated by those skilled in the art that various modifications may be made to the travelling block lifting mechanism of the utility model described above without departing from the scope of the utility model. Therefore, the scope of the present invention should be determined by the contents of the appended claims.
Claims (10)
1. A movable pulley lifting mechanism is characterized by comprising a lifting device, a fixed base, a lifting piece and a power device;
the lifting device is arranged on the fixed base;
the power device is arranged at a preset distance from the fixed base;
a connecting piece is arranged on the fixed base;
the lifting piece is arranged below the lifting device, one end of the connecting piece is fixed on the power device, and the other end of the connecting piece passes through the lifting device in a steering mode and penetrates through the lifting piece to be fixed on the fixed base.
2. The movable sheave lifting mechanism of claim 1,
the fixed base is a head sheave platform.
3. The movable sheave lifting mechanism of claim 1,
a sliding wheel is arranged on the lifting piece.
4. The movable sheave lifting mechanism of claim 3,
the sliding wheel is connected with the lifting piece through a supporting frame; wherein the content of the first and second substances,
the support frame comprises four support legs;
one end of each supporting leg is uniformly distributed on the lifting piece, and the end, opposite to the connecting point of the lifting piece, of each supporting leg is connected with the sliding wheel; wherein the content of the first and second substances,
the movable pulley comprises a positive fixing position and a negative fixing position, two supporting legs on the same side of the fixing positions are fixed on the fixing position on one side, and the supporting legs on the other two same sides of the fixing positions are fixed on the fixing position on the other side.
5. The movable sheave lifting mechanism of claim 1,
the lifting member is a cage.
6. The movable sheave lifting mechanism of claim 1,
the lifting device is a movable pulley.
7. The movable sheave lifting mechanism of claim 1,
the connecting piece is a steel wire rope.
8. The movable sheave lifting mechanism of claim 1,
the power device is a winch; wherein the content of the first and second substances,
the winches comprise a single-roller winch and a double-roller winch.
9. The movable sheave lifting mechanism of any one of claims 1-8, further comprising a track adapted to the lifting member; wherein the content of the first and second substances,
the track comprises a rigid cage guide and a steel wire rope cage guide.
10. The movable sheave lifting mechanism of claim 9,
and the lifting piece is provided with a rail fixing position connected with the rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122197676.2U CN216426446U (en) | 2021-09-10 | 2021-09-10 | Movable pulley lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122197676.2U CN216426446U (en) | 2021-09-10 | 2021-09-10 | Movable pulley lifting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216426446U true CN216426446U (en) | 2022-05-03 |
Family
ID=81322619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122197676.2U Active CN216426446U (en) | 2021-09-10 | 2021-09-10 | Movable pulley lifting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216426446U (en) |
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2021
- 2021-09-10 CN CN202122197676.2U patent/CN216426446U/en active Active
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