Auxiliary maintenance platform for air cooling fan

Abstract

The utility model relates to the technical field of disassembly and maintenance of air-cooling fans, and specifically to an auxiliary maintenance platform for air-cooling fans, including a load-bearing jack, a column is arranged above the load-bearing jack, a load-bearing column is detachably connected to the top of the column, a load-bearing plate is arranged at the top of the load-bearing column, and a circular arc through hole is arranged on the load-bearing plate; T-shaped support frames are symmetrically arranged on both sides of the top of the column, a square groove is arranged at the end of the vertical side of the T-shaped support frame, a fixing pin is arranged on the square groove, the fixing pin passes through the two sides of the square groove, and a fixing nut is connected to the bottom end of the fixing pin. The utility model can adapt to the maintenance work of the air-cooling fan at the bottom of the film evaporator, and the motor fixing frame is firmly fixed by the cooperation of the T-shaped support frame and the fixing pin, and the main motor and fan pulley with a large mass can be pulled up and lowered by using a fall chain, thereby ensuring the safety of the maintenance process.

Description

Technical Field

[0001] The utility model relates to the technical field of disassembly and maintenance of air-cooling fans, and in particular to an auxiliary maintenance platform for air-cooling fans. Background Art

[0002] In the industrial field, especially in the equipment areas of oil refining and chemical industry, a large number of air cooling platforms are needed for medium cooling. The motor is connected to the fan blades through a belt and installed vertically on the lower side of the process tube bundle. The motor quickly drives the fan to form an upward diversion wind, which has the effect of heat dissipation and cooling. However, this method only relies on the fan cooling method, and the cooling effect is not good in the hot summer, and often fails to meet the process temperature index requirements, which has a significant impact on production. For this reason, on the basis of simple air cooling, a membrane evaporator is added as an auxiliary cooling. The membrane evaporator is designed as a house type as a whole, and two air coolers are wrapped inside. The four walls are designed as a diversion type. The cooling water is pumped to the upper side of the four walls by circulating the cooling water with a water pump. The cooling water flows along the diversion wall to the lower water pipe box, and the closed water wall combined with air cooling is used to cool the medium tube bundle, and the cooling effect is excellent. In order to maintain the closedness, the membrane evaporator as a whole only retains a small space reserved channel for personnel to enter and exit.

[0003] The combination of membrane evaporator and air cooling does meet the process requirements very well, but its closed design increases the difficulty of maintenance. As daily maintenance items, the main motor and fan pulley of the air-cooling fan require large space operations. In the past, a special maintenance platform would be prepared on the air-cooling platform. The maintenance platform requires an external power supply and drives the hydraulic device to move up and down through the forward and reverse rotation of the built-in motor to achieve the purpose of removing the main motor and fan pulley of the air-cooling fan. The maintenance platform is relatively bulky and needs to be pushed in a large space. It is not suitable for closed membrane evaporators. At present, there is no suitable maintenance device or maintenance method to apply to the maintenance of air-cooling fans in small space conditions. Utility Model Content

[0004] In order to solve the deficiencies in the prior art, the utility model provides an auxiliary maintenance platform for an air-cooling fan.

[0005] To achieve the above-mentioned purpose, the technical solution of the utility model is: an auxiliary maintenance platform for an air-cooling fan, including a load-bearing jack, a column is arranged above the load-bearing jack, the top of the column is detachably connected to a load-bearing column, the top of the load-bearing column is provided with a load-bearing plate, and the load-bearing plate is provided with an arc through hole; T-shaped support frames are symmetrically arranged on both sides of the top of the column, square grooves are arranged at the ends of the vertical sides of the T-shaped support frames, and fixing pins are arranged on the square grooves, the fixing pins pass through the two side surfaces of the square groove, and the bottom end of the fixing pin is connected with a fixing nut.

[0006] Furthermore, a female connection head is arranged at the top end of the column, and a male connection head matching with the female connection head is arranged at the bottom end of the bearing column.

[0007] Furthermore, a circular groove is provided at the center of the top of the female connector, an internal thread is provided in the circular groove, an adjustment column is provided at the center of the bottom end of the male connector, and an external thread matching the circular groove is provided on the outer side of the adjustment column.

[0008] Furthermore, an annular groove is arranged outside the circular groove, and the size of the annular groove matches the connecting male head.

[0009] Furthermore, stoppers are symmetrically arranged on the top of the carrying plate.

[0010] Furthermore, a support plate is provided on the top of the load-bearing jack, and the support plate is connected to the bottom of the column.

[0011] Furthermore, a handle is provided on the top of the fixing pin, and a fixing head is provided on the bottom of the fixing pin, and the fixing head is threadedly connected to the fixing nut.

[0012] The beneficial effects achieved by the utility model are:

[0013] 1. The utility model can adapt to the maintenance work of the air-cooling fan at the bottom of the membrane evaporator. The motor fixing frame is firmly fixed by the cooperation of the T-shaped support frame and the fixing pin. The main motor and the fan pulley with a large mass can be pulled up and lowered by the fall chain, thereby ensuring the safety of the maintenance process.

[0014] 2. The utility model is designed with an adjustment column and a load-bearing jack, the height of which can be adjusted up and down, and can be applied to air-cooling platforms with different installation heights, with a wide range of applications.

[0015] 3. The utility model is compact in design and easy to move. When moving, operators can easily enter and exit the reserved passage of the film evaporator, which greatly reduces the difficulty of maintenance.

[0016] 4. The various parts of the utility model are detachable and installable. For a platform with a small number of air coolers, the platform can be installed one by one when the air coolers are initially installed. For a platform with a large number of air coolers, the platform can be moved for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the exploded structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the connection between the bearing column and the bearing plate;

[0020] Figure 4 It is a schematic diagram of the overall structure of the female connector;

[0021] Figure 5 It is a schematic diagram of connecting male and female connectors;

[0022] Figure 6 It is a schematic diagram of the connection between the female connector, the bearing column and the bearing plate;

[0023] Figure 7 This is the implementation status of the utility model Figure 1 ;

[0024] Figure 8 This is the implementation status of the utility model Figure 2 ;

[0025] Fig. 9 It is a diagram showing the use environment of the utility model;

[0026] Fig.10 This is a schematic diagram of the connection between the utility model and an air cooling fan;

[0027] Fig.11 It is a schematic diagram of the exploded structure of the air cooling fan;

[0028] Fig.12 It is a schematic diagram of the overall structure of the fixed frame.

[0029] Explanation of markings in the figure: 1. Load-bearing jack; 11. Support plate; 2. Column; 21. Connecting female head; 3. T-type support frame; 4. Fixing pin; 41. Handle; 42. Fixing head; 5. Fixing nut; 6. Load-bearing column; 61. Connecting male head; 62. Adjusting column; 7. Load-bearing plate; 71. Stopper; A. Fan disc; B. Fan; C. Fan pulley; D. Belt; E. Main motor; E1. Lifting ring; F. Fixing frame; G. Fan pulley fixing frame; H. Motor fixing frame; H1. Auxiliary support plate; H2. Main support plate; H3. Motor fixing hole; I. Membrane evaporator water wall; J. Membrane evaporator water pipe box; K. Reserved channel; C1. Annular groove; C2. Circular groove; C3. Square groove; K1. Square through hole; K2. Circular through hole; K3. Arc through hole. DETAILED DESCRIPTION

[0030] In order to better understand the purpose, structure and function of the utility model, the auxiliary maintenance platform of the air-cooling fan of the utility model is further described in detail below with reference to the accompanying drawings.

[0031] like Figures 1 to 12 As shown, an auxiliary maintenance platform for an air-cooling fan includes a supporting component, a fixing component and a lifting component.

[0032] The supporting component includes a load-bearing jack 1 , and a support plate 11 is designed at the center of the upper end surface of the load-bearing jack 1 . The support plate 11 is a flat cylindrical structure as a whole, and the support plate 11 and the load-bearing jack 1 are integrated.

[0033] The fixing components include a column 2, a T-shaped support frame 3, a fixing pin 4 and a fixing nut 5.

[0034] The column 2 is a long cylindrical structure as a whole, and the diameter of the column 2 is the same as the diameter of the support plate 11; a connecting female head 21 is designed at the upper end of the column 2, and the connecting female head 21 is a cylindrical structure as a whole, and the diameter of the connecting female head 21 is the same as the diameter of the column 2, and the connecting female head 21 and the column 2 are self-contained; a circular groove C2 is designed at the center position of the upper end surface of the connecting female head 21, and the circular groove C2 has an internal thread; on the same plane as the circular groove C2, an annular groove C1 is designed on the outside of the circular groove C2.

[0035] The T-shaped support frames 3 are designed with two, and the two T-shaped support frames 3 are symmetrically distributed on both sides of the upper end of the column 2; a square groove C3 is designed at the end of the vertical side of the T-shaped support frame 3, a square through hole K1 is designed to penetrate the upper end surface of the end of the square groove C3, and a circular through hole K2 is designed to penetrate the lower end surface of the end of the square groove C3, and the square through hole K1 is concentric with the circular through hole K2.

[0036] The fixing pins 4 are designed with two, and the main body of the fixing pin 4 is a square structure, and the size of the main part of the fixing pin 4 matches the square through hole K1; a handle 41 is designed at the center position of the upper end surface of the fixing pin 4, and the handle 41 is a right-angle C-shaped structure as a whole, and the handle 41 is integrated with the fixing pin 4; a fixing head 42 is designed at the center position of the lower end surface of the fixing pin 4, and the fixing head 42 is a cylindrical structure as a whole, and an external thread is designed on the outside of the fixing head 42, and the outer diameter size of the fixing head 42 matches the diameter of the circular through hole K2, and the fixing head 42 is integrated with the fixing pin 4; two fixing nuts 5 are designed, and the fixing nuts 5 can be threadedly connected with the fixing head 42; Figure 1 As shown, the main body of the positioning pin 4 can be inserted into the square through hole K1, and the fixing head 42 can be threadedly connected with the fixing nut 5 after passing through the circular through hole K2.

[0037] The lifting component includes a bearing column 6 and a bearing plate 7 connected to the bearing column 6 .

[0038] The supporting column 6 is a long cylindrical structure as a whole; Figure 3As shown, a connecting male head 61 is designed at the lower end of the bearing column 6, and the connecting male head 61 is a semi-closed cylindrical structure as a whole, and the connecting male head 61 and the bearing column 6 are self-contained; an adjusting column 62 is arranged in the connecting male head 61, and the outer side of the adjusting column 62 is designed with an external thread, and the diameter of the adjusting column 62 is the same as the diameter of the bearing column 6, and the adjusting column 62 and the bearing column 6 are self-contained; the wall thickness of the connecting male head 61 matches the width of the annular groove C1, and the adjusting column 62 can be threadedly connected with the circular groove C2; ​​as shown Figure 5 As shown, the male connector 61 can rotate and slide in the annular groove C1; Figure 6 As shown, the male connector 61 is screwed in and out of the female connector 21 .

[0039] The carrier plate 7 is a flat cylindrical structure as a whole; two stoppers 71 are symmetrically designed on the upper end surface of the carrier plate 7, and the stoppers 71 are a cylindrical structure as a whole. The stoppers 71 and the carrier plate 7 are self-contained; a circular arc through hole C3 is designed to penetrate one side of the carrier plate 7. Figure 2 As shown, the lower end surface of the non-penetrating side of the supporting plate 7 is connected to the upper end surface of the supporting column 6 and forms an integral body.

[0040] like Figure 1 As shown, after the male connector 61 is effectively connected to the female connector 21 , the assembly of the utility model is completed.

[0041] When using it, first combine Figure 9-12 Make the following statement.

[0042] like Fig.11 As shown, the main components of the air-cooling fan include a fan disc A, a fan B, a fan pulley C, a belt D, a main motor E, a fixing frame F, a fan pulley fixing frame G, and a motor fixing frame H. The main motor E is fixed to the motor fixing frame H by bolts, the fan B is connected to the fan pulley C and then fixed to the fan pulley fixing frame G, the fixing frame F is welded to the lower side of the fan disc A, the main motor E is softly connected to the fan pulley C by a belt D, and after the main motor E is turned on, the fan B is driven to rotate and blow air upward to cool and dissipate the process tube bundle on the upper side.

[0043] like Fig.10 As shown, the main motor E is vertically mounted on the motor fixing frame H. Fig. 9The figure shows the environment when the air-cooling fan is used in conjunction with the membrane evaporator. The whole set of air-cooling fans is separated in the membrane evaporator water wall I, and the lower side is the membrane evaporator water pipe box J. In order to better control the temperature and achieve a good cooling effect, only a reserved channel K is left for daily inspection. In the above-mentioned use environment, maintenance work on the main motor E and the fan pulley G cannot be performed.

[0044] Combined with this, Fig.12 As shown, the motor fixing frame H is symmetrically arranged on both sides, including two main support plates H2, and two motor fixing holes H3 are symmetrically arranged on both sides of the main support plate H2. The main motor E is fixed to the main support plate H2 by bolts passing through the motor fixing holes H3. An auxiliary support plate H1 is designed in the middle of the two main support plates H2. In order to solve the maintenance problem and make full use of the on-site environment, the utility model is designed. It should be particularly noted that the size of the auxiliary support plate H1 matches the size of the spacing part after the fixing pin 4 is connected to the square groove C3.

[0045] like Figure 7 , Figure 8 As shown, the utility model is carried from the reserved channel K to the inside of the water wall I of the film evaporator, the lifting component is removed, and the load-bearing jack 1 is pressed to raise the fixing component and the supporting component as a whole, so that the height of the T-shaped support frame 3 is the same as the height of the auxiliary support plate H1, and the T-shaped support frame 3 is pushed into the auxiliary support plate H1 so that the square groove C3 covers the auxiliary support plate H1, and then the two fixing pins 4 are inserted into the square through hole K1, and the fixing head 42 is passed through the circular through hole K2 and threadedly connected with the two fixing nuts 5; after completion, continue to press the load-bearing jack 1 to firmly install the supporting component and the fixing component. At this time, the belt D is removed, the lifting component is inserted into the inside of the fan disk A, the connecting male head 61 is connected with the connecting female head 21, and the connection between the lifting component and the fixing component is completed by rotating the bearing column 6. After the adjustment is completed, hang the fall chain to the arc through hole C3, and hang the other side of the fall chain to the lifting ring E1. Pull the fall chain to make the main motor E strain, remove the bolts fixing the main motor E, pull the fall chain to lower the main motor E to the ground, and after the maintenance is completed, pull the fall chain to complete the reinstallation of the main motor E. Similarly, the same process is used when maintaining the fan pulley C. It should be specially noted that the two stoppers 71 are designed to prevent slipping during the force application of the fall chain; the handle 41 is designed to facilitate lifting and installation; the adjustment column 62 and the load-bearing jack 1 are designed to match the different installation heights of the auxiliary support plate H1.

[0046] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. An auxiliary maintenance platform for an air-cooling fan, characterized in that: The invention comprises a load-bearing jack (1), wherein a column (2) is arranged above the load-bearing jack (1), a load-bearing column (6) is detachably connected to the top of the column (2), a load-bearing plate (7) is arranged at the top of the load-bearing column (6), and a circular arc through hole (K3) is arranged on the load-bearing plate (7); T-shaped support frames (3) are symmetrically arranged on both sides of the top of the column (2), a square groove (C3) is arranged at the end of the vertical side of the T-shaped support frame (3), a fixing pin (4) is arranged on the square groove (C3), the fixing pin (4) passes through the two side surfaces of the square groove (C3), and a fixing nut (5) is connected to the bottom end of the fixing pin (4).

2. The auxiliary maintenance platform for an air-cooling fan according to claim 1, characterized in that: The top end of the column (2) is provided with a female connection head (21), and the bottom end of the bearing column (6) is provided with a male connection head (61) matching the female connection head (21).

3. The auxiliary maintenance platform for an air-cooling fan according to claim 2 is characterized in that: A circular groove (C2) is arranged at the center of the top of the female connector (21), and an internal thread is arranged in the circular groove (C2). An adjustment column (62) is arranged at the center of the bottom end of the male connector (61), and an external thread matching the circular groove (C2) is arranged on the outer side of the adjustment column (62).

4. The auxiliary maintenance platform for an air-cooling fan according to claim 3 is characterized in that: An annular groove (C1) is arranged outside the circular groove (C2), and the size of the annular groove (C1) matches the connecting male head (61).

5. The auxiliary maintenance platform for an air-cooling fan according to claim 1 is characterized in that: A stopper (71) is symmetrically arranged on the top of the carrying plate (7).

6. The auxiliary maintenance platform for an air-cooling fan according to claim 1, characterized in that: A support plate (11) is provided on the top of the load-bearing jack (1), and the support plate (11) is connected to the bottom of the column (2).

7. The auxiliary maintenance platform for an air-cooling fan according to claim 1, characterized in that: The top of the fixing pin (4) is provided with a handle (41), the bottom of the fixing pin (4) is provided with a fixing head (42), and the fixing head (42) is threadedly connected to the fixing nut (5).

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