Rotary lifting device based on coal storage silo

Abstract

The utility model provides a rotary lifting device based on a coal storage silo. The rotary lifting device comprises the coal storage silo and a rotary lifting device arranged at the top of the coal storage silo, the rotary lifting device comprises a stand column, a cantilever, a rotary mechanism arranged between the stand column and the cantilever and a lifting mechanism arranged on the cantilever. Wherein the stand column is vertically arranged at the top of the coal storage silo; one end of the cantilever is rotationally connected with the top end of the stand column; and the hoisting mechanism is movably arranged on the cantilever. By adopting the rotary lifting device based on the coal storage silo, full coverage of the coal storage silo can be realized, manual displacement of overhauling and mounting equipment is omitted, safety accidents are reduced, the construction speed is effectively increased, the working efficiency is improved, and the construction safety is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to power plant coal conveying system production technical field more specifically, relate to a kind of rotary hoist based on coal storage silo. BACKGROUND

[0002] With environmental protection requirement higher and higher, coal enterprises need to store coal in order to solve the problem of open-air stacking of bulk coal and environmental pollution;Coal storage is an important link in the process of coal conveying system of thermal power plant, and is usually stored by using coal storage silo, which is environmentally friendly and efficient.

[0003] However, due to the high height of the coal storage silo, such as a 10000t coal storage silo with a diameter of 22m and a height of about 55m, there are belt conveyors, unloaders and other equipment installed on the top of the coal storage silo, and these equipment often need to be repaired and replaced;When the equipment needs to be repaired and replaced, it needs to be hoisted up and down between the ground and the top of the coal storage silo, which is difficult to hoist due to the high hoisting distance and the heavy weight of the equipment being repaired, and because the hoisting position is fixed, it cannot achieve full coverage of the top of the coal storage silo, which reduces the construction efficiency;Sometimes manual displacement is required, which can easily lead to safety accidents and cannot guarantee the safety of construction.

[0004] Therefore, a rotary hoist based on coal storage silo is needed to solve the problem of fixed hoisting point of coal storage silo, without the need for manual displacement to find the hoisting point, to achieve full coverage of the hoisting and installation of coal storage silo, effectively improve the construction efficiency and ensure the safety of construction. SUMMARY

[0005] In view of the above problems, the purpose of the utility model is to provide a rotary hoist based on coal storage silo to solve the problem of fixed hoisting point of coal storage silo, without the need for manual displacement to find the hoisting point, to achieve full coverage of the hoisting and installation of coal storage silo, effectively improve the construction efficiency and ensure the safety of construction.

[0006] The rotary hoist based on coal storage silo provided by the utility model comprises a coal storage silo and a rotary hoist installed on the top of the coal storage silo;The rotary hoist comprises a vertical column, a cantilever, a rotary mechanism arranged between the vertical column and the cantilever, and a hoisting mechanism arranged on the cantilever;Wherein,

[0007] The vertical column is vertically arranged on the top of the coal storage silo;

[0008] One end of the cantilever is rotatably connected to the top end of the vertical column;

[0009] The hoisting mechanism is movably arranged on the cantilever.

[0010] Further preferably, the column is arranged near the center of the coal storage silo.

[0011] Further preferably, the column is connected to the top of the coal storage silo by a flange.

[0012] Further preferably, the cantilever is a 360°-rotatable cantilever around the column.

[0013] Further preferably, the maximum lifting distance of the cantilever is greater than the distance between the center of the column and the edge of the coal storage silo.

[0014] Further preferably, the slewing mechanism comprises a fixed gear arranged on the column, a rotating gear matched with the fixed gear, a support arm and a driving motor.

[0015] One end of the support arm is fixedly connected to the cantilever, and the driving motor is arranged at the other end of the support arm.

[0016] The rotating gear is connected to the rotating shaft of the driving motor.

[0017] Further preferably, the support arm is a frame structure.

[0018] Further preferably, the lifting mechanism comprises a slide arranged on the cantilever, a pulley matched with the slide, and a lifting device arranged on the pulley.

[0019] Further preferably, the lifting device is an electric hoist.

[0020] Further preferably, the lifting parameter of the slewing lifting device is greater than or equal to the weight of the largest hoist component to be lifted on the top of the coal storage silo.

[0021] As can be seen from the above description, the slewing lifting device based on the coal storage silo can realize 360° rotation of the cantilever around the column by the slewing mechanism, can realize comprehensive coverage of the top of the coal storage silo, can avoid manual displacement of the maintenance components and installation components, can reduce safety accidents, can effectively accelerate the lifting speed, can improve the construction efficiency, and can ensure the construction safety. BRIEF DESCRIPTION OF DRAWINGS

[0022] Other purposes and results of the present application will be more apparent and easy to understand by referring to the following description in conjunction with the accompanying drawings and the claims, and with a more comprehensive understanding of the present application.

[0023] In the drawings:

[0024] Figure 1Schematic diagram of the overall structure of a rotary lifting device based on a coal storage silo according to an embodiment of the present utility model;

[0025] Figure 2 It is a top view of a rotary lifting device based on a coal storage silo according to an embodiment of the present utility model.

[0026] In the figure, 1-coal storage silo; 2-rotating lifting device; 21-column; 22-cantilever; 23-rotating mechanism; 231-fixed gear; 232-rotating gear; 233-support arm; 234-drive motor; 24-lifting mechanism; 241-slide; 242-pulley; 243-lifting device; 3-feeding and discharging belt conveyor.

[0027] The same reference numerals throughout the drawings indicate similar or corresponding features or functions. DETAILED DESCRIPTION

[0028] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0029] Figure 1 Schematic diagram of the overall structure of a rotary lifting device based on a coal storage silo according to an embodiment of the present utility model; Figure 2 It is a top view of a rotary lifting device based on a coal storage silo according to an embodiment of the present utility model.

[0030] like Figure 1 and Figure 2 As shown together, the rotary lifting device based on the coal storage silo provided by the utility model mainly includes a coal storage silo 1 and a rotary lifting device 2 arranged on the top of the coal storage silo 1. The rotary lifting device 2 is configured to lift materials on the ground to the top of the coal storage silo 1, and is usually used to transport required materials and repair equipment.

[0031] The rotary lifting device 2 includes a column 21, a cantilever 22, a rotary mechanism 23 disposed between the column 21 and the cantilever 22, and a lifting mechanism 24 disposed on the cantilever 22.

[0032] The column 21 is vertically arranged on the top of the coal storage silo 1, used to support the entire rotary lifting device 2 and fix the rotary lifting device 2 to the top of the coal storage silo 1; one end of the cantilever 22 is rotatably connected to the top of the column 21 and is configured to rotate around the column 21; the lifting mechanism 24 is movably arranged on the cantilever 22, can move horizontally along the cantilever 22, and cooperate with the rotary mechanism 23 to achieve full coverage of the top of the coal storage silo 1.

[0033] In one specific embodiment of the utility model, since the inlet and outlet belt conveyor 3 is arranged at the center position of the coal storage silo 1, the stand column 21 needs to be arranged close to the center position of the coal storage silo 1, the length of the cantilever 22 can be reduced as much as possible, the input cost is saved, the construction safety is improved, and the top of the coal storage silo 1 can be covered; the stand column 21 and the top of the coal storage silo 1 can be connected by flanges, the flange connection is firm, not easy to fall off and convenient to disassemble, and the construction efficiency and construction safety can be effectively improved.

[0034] In another specific embodiment of the utility model, the cantilever 22 can rotate 360 degrees around the stand column 21, and the maximum lifting distance of the cantilever 22 is greater than the farthest distance between the center point of the stand column 21 and the edge of the coal storage silo 1, so that the lifting range can comprehensively cover the top of the coal storage silo 1.

[0035] In one specific embodiment of the utility model, the rotating mechanism 23 comprises a fixed gear 231 arranged on the stand column 21, a rotating gear 232 matched with the fixed gear 231, a support arm 233 and a driving motor 234; one end of the support arm 233 is fixedly connected with the cantilever 22, the driving motor 234 is arranged at the other end of the support arm 22, and the rotating gear 232 is connected with the rotating shaft of the driving motor 234; the driving motor 234 drives the rotating gear 232 to rotate in mesh with the fixed gear 231, drives the support arm 233 to rotate around the stand column 21, so that the cantilever 22 can rotate 360 degrees around the stand column 21, so that the cantilever 22 can comprehensively cover the top of the coal storage silo 1 in the rotating lifting process; and the support arm 233 is a frame structure, which is stable in structure and light in overall weight, facilitating transportation and installation.

[0036] In one specific embodiment of the utility model, the lifting mechanism 24 comprises a slide 241 arranged on the cantilever 22, a pulley 242 matched with the slide 241 and a lifting device 243 arranged on the pulley 242; the pulley 242 slides on the slide 241, drives the lifting device 243 to move horizontally on the cantilever 22, so that the material to be lifted can move between the center position and the edge of the coal storage silo 1; wherein the lifting device is an electric hoist, which is small in size, light in weight, convenient to operate and safe and reliable.

[0037] In one specific embodiment of the utility model, the lifting parameter of the rotating lifting device 2 is greater than or equal to the weight of the largest hoist part to be lifted on the top of the coal storage silo 1, which can meet the construction requirements and avoid safety accidents.

[0038] Through the technical scheme, the rotary hoisting device based on the coal storage silo can realize 360-degree rotation of a cantilever around a stand by setting a rotating mechanism, fully covers the top of the coal storage silo, avoids manual displacement of the maintenance parts and the installation parts, reduces safety accidents, effectively accelerates hoisting speed, improves construction efficiency, and guarantees construction safety.

[0039] The rotary hoisting device based on the coal storage silo according to the utility model is described above with reference to the drawings by way of example. However, those skilled in the art should understand that the rotary hoisting device based on the coal storage silo proposed in the utility model can be variously improved without departing from the content of the utility model. Therefore, the protection scope of the utility model should be determined by the content of the appended claims.

Claims

1. A rotary lifting device based on a coal storage silo, comprising a coal storage silo and a rotary lifting device arranged on the top of the coal storage silo; characterized in that: The rotary lifting device includes a column, a cantilever, a rotary mechanism arranged between the column and the cantilever, and a lifting mechanism arranged on the cantilever; wherein, The upright column is vertically arranged on the top of the coal storage silo; One end of the cantilever is rotatably connected to the top end of the column; The lifting mechanism is movably arranged on the cantilever.

2. The rotary lifting device based on the coal storage silo according to claim 1, characterized in that: The column is arranged near the center of the coal storage silo.

3. The rotary lifting device based on the coal storage silo according to claim 1, characterized in that: The columns are connected to the top of the coal storage silo by flanges.

4. The rotary lifting device based on the coal storage silo according to claim 1, characterized in that: The cantilever is a cantilever that can rotate 360 ​​degrees around the column.

5. The rotary lifting device based on the coal storage silo according to claim 1, characterized in that: The maximum hoisting distance of the cantilever is greater than the maximum distance between the center point of the column and the edge of the coal storage silo.

6. The rotary lifting device based on the coal storage silo according to claim 1, characterized in that: The rotary mechanism includes a fixed gear sleeved on the column, a rotating gear matching the fixed gear, a support arm and a drive motor; wherein, One end of the support arm is fixedly connected to the cantilever; the drive motor is arranged at the other end of the support arm; The rotating gear is connected to the rotating shaft of the driving motor.

7. The rotary lifting device based on the coal storage silo according to claim 6, characterized in that: The supporting arm is a frame structure.

8. The rotary lifting device based on the coal storage silo according to claim 1, characterized in that: The lifting mechanism comprises a slideway arranged on the cantilever, a pulley matched with the slideway, and a lifting device arranged on the pulley.

9. The rotary lifting device based on the coal storage silo according to claim 8, characterized in that: The lifting device is an electric hoist.

10. The rotary lifting device based on a coal storage silo according to any one of claims 1 to 9, characterized in that: The lifting parameter of the rotary lifting device is greater than or equal to the weight of the largest lifting component to be lifted on the top of the coal storage silo.

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