Maintenance aisle module, fan maintenance platform and cooling tower

Abstract

The utility model discloses a maintenance aisle module, which belongs to the technical field of cooling tower fan maintenance platforms and comprises two parallel lap joint frames and a plurality of connecting plates connected between the two lap joint frames along the length direction of the lap joint frames, the lap joint frames are lapped on a support frame and fixedly connected with the lap joint frames, the connecting plates are bent, and the lap joint frames are connected with the lap joint frames. The connecting plate comprises a pedal plate and an air guide plate which are connected with each other, the pedal plate is horizontally arranged, the air guide plate is obliquely and downwards bent, and an air guide channel allowing air to penetrate through the supporting frame from bottom to top is formed between every two adjacent air guide plates. According to the maintenance walkway module, the horizontal pedal plate can guarantee safe treading of a worker, the obliquely-arranged air guide plate can play a role in guiding air flowing upwards, and the operation efficiency of a fan is improved. The utility model further discloses a fan maintenance platform with the maintenance aisle module and a cooling tower with the fan maintenance platform.

Description

TECHNICAL FIELD

[0001] The utility model relates to cooling tower fan maintenance platform technical field, in particular, relate to a kind of maintenance walkway module, fan maintenance platform and cooling tower. BACKGROUND

[0002] Cooling tower fan is usually installed at the center of cooling tower top wind cylinder, when starting, external dry cold air enters into tower under the action of negative pressure via tower side wall air inlet, and then, after heat exchange with tower spray water, finally flows out via tower top wind cylinder, it can be seen that the pressure, flow, power and other parameters of cooling tower fan directly affect the heat exchange efficiency of cooling tower, therefore, in order to ensure the stable operation of cooling tower, it is particularly important to regularly maintain cooling tower fan during use.

[0003] At present, the maintenance of cooling tower fan generally needs artificial to climb to the maintenance platform to operate. The traditional maintenance platform often includes two support frames, and a plurality of C-shaped steels or a plurality of round steels are connected between the two support frames. For the C-shaped steel, its windward surface is relatively large, which will affect the smooth inflow of air in the tower to the outside of the tower, and affect the operating efficiency of the fan. And for the round steel, it is insufficient in strength, and the workers are easy to slip and stumble during maintenance, which is poor in installation stability and also has certain safety hazards.

[0004] Therefore, it is necessary for the inventor to improve the fan maintenance platform of the cooling tower to ensure the operating efficiency of the fan on the basis of safe maintenance. UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model is to overcome the above-mentioned defects in the prior art, and to provide a maintenance walkway module with high structural strength, safe to use and without affecting the operating efficiency of the fan.

[0006] It is more necessary to provide a fan maintenance platform with the maintenance walkway module and a cooling tower with the fan maintenance platform.

[0007] The utility model adopts the technical scheme that a maintenance walkway module is installed on a support frame, the maintenance walkway module comprises two mutually parallel lap frames and a plurality of connecting plates connected between the two lap frames in the length direction of the lap frames, the lap frame is clamped on the support frame and is fixedly connected with the lap frame, the connecting plate is bent, the connecting plate comprises a footboard and a wind guide plate connected with each other, the footboard is horizontally arranged, the wind guide plate is inclined downward and bent, and the wind guide channel for the wind to pass through the support frame from bottom to top is formed between two adjacent wind guide plates.

[0008] Further, the connecting plate is perpendicular to the lap frame.

[0009] Further, the included angle between the footboard and the air deflector is α, 110°≤α≤130°.

[0010] Further, the included angle between the footboard and the air deflector is α=120°.

[0011] Further, the footboard and the air deflector are integrally formed.

[0012] A fan maintenance platform, the fan maintenance platform comprising the maintenance walkway module of any one of the preceding, further comprising a support frame and a fan, the maintenance walkway module and the fan are installed on the support frame.

[0013] Further, the support frame comprises two parallel support beams, the support beam is a C-shaped beam, the support beam comprises a longitudinal plate, a fixed plate connected to the bottom of the longitudinal plate and a lap plate connected to the top of the longitudinal plate, the lap frame comprises a limiting plate and an abutting plate connected to each other, the limiting plate is attached to the longitudinal plate, and the abutting plate is lapped on the lap plate and is fixedly connected with the lap plate.

[0014] Further, the L-shaped reinforcing plate is fixedly connected to the side wall of the C-shaped opening of the longitudinal plate away from the support beam.

[0015] Further, a plurality of maintenance walkway modules are sequentially installed on the support beam along the length direction of the support beam.

[0016] A cooling tower, the cooling tower comprising the fan maintenance platform of any one of the preceding, the cooling tower further comprising a tower body, and the fan maintenance platform is installed at the opening at the top of the tower body.

[0017] The utility model discloses a maintenance walkway module or fan maintenance platform or cooling tower, when needing to overhaul the fan, the staff can walk to the fan through treading the footboard along the support frame, because the footboard is horizontally arranged, makes the walking passage even, and the area that supplies user treading is larger, fully guarantees the safety of staff. Meanwhile, the air deflector that is arranged obliquely below the footboard has certain flow guiding effect to the wind flowing from below to above, alleviates the situation that the wind direction is hindered because of the block, greatly improves the operation efficiency of the fan. In addition, the connecting plate that is arranged in the form of bending increases the structural strength of the connecting plate itself, avoids the situation that the connecting plate is deformed easily or even breaks, and is more reliable in use. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be further described in connection with the drawings and examples.

[0019] Figure 1 It is the perspective view of the utility model fan maintenance platform;

[0020] Figure 2 is Figure 1 is an enlarged view of A in the fan maintenance platform shown in the figure;

[0021] Figure 3 is Figure 1 is a perspective view of the maintenance walkway module in the fan maintenance platform shown in the figure;

[0022] Figure 4 is Figure 3 is a top view of the maintenance walkway module shown in the figure;

[0023] Figure 5 is Figure 4 is a sectional view along B-B of the maintenance walkway module shown in the figure.

[0024] In the figure: 100, fan maintenance platform, 10, support frame, 11, support beam, 111, longitudinal plate, 112, fixed plate, 113, lap plate, 12, L-shaped reinforcing plate, 20, fan, 30, maintenance walkway module, 301, air guide channel, 31, lap frame, 311, limiting plate, 312, abutting plate, 32, connecting plate, 321, footboard, 322, air guide plate. DETAILED DESCRIPTION

[0025] The utility model will be described in detail in combination with the drawings. The figure is a simplified schematic diagram, and only the basic structure of the utility model is schematically shown, so it only shows the structure related to the utility model.

[0026] Please refer to Figures 1-5 The utility model provides a cooling tower, including tower body (not shown in the figure) and the fan maintenance platform 100 of installation in the top of tower body, fan maintenance platform 100 includes support frame 10, fan 20 and maintenance walkway module 30, wherein, support frame 10 fixed mounting is at the opening in the top of tower body, fan 20 and maintenance walkway module 30 are all installed on support frame 10, maintenance walkway module 30 is located in the side portion of fan 20, and it is constructed when walking passage of artificial maintenance fan 20.

[0027] The support frame 10 comprises two parallel support beams 11, and the fan 20 and the maintenance walkway module 30 are installed on the support beams 11. The support beam 11 is a C-shaped beam, and the support beam 11 is fixedly connected with the air duct arranged at the top of the tower body. In the embodiment, the C-shaped openings of the two support beams 11 are arranged away from each other, and the bottom of the support beam 11 is fixedly connected with the air duct by means of fasteners such as bolts or screws. Specifically, the support beam 11 comprises a longitudinal plate 111, a fixed plate 112 connected to the bottom of the longitudinal plate 111, and a lap plate 113 connected to the top of the longitudinal plate 111, and the fixed plate 112 and the lap plate 113 are perpendicular to the longitudinal plate 111, wherein the fixed plate 112 is used for being fixedly connected with the air duct, and the lap plate 113 is used for being fixedly connected with the maintenance walkway module 30.

[0028] In addition, an L-shaped reinforcing plate 12 is fixedly connected to the side wall of the longitudinal plate 111 away from the C-shaped opening of the support beam 11, and in the embodiment, the L-shaped reinforcing plate 12 is welded and fixed with the longitudinal plate 111, and the horizontal plate of the L-shaped reinforcing plate 12 is used for being fixedly connected with the air duct. By arranging the L-shaped reinforcing plate 12, the stress on both sides of the longitudinal plate 111 is balanced, and the deformation of the longitudinal plate 111 is effectively avoided.

[0029] In the embodiment, the support frame 10 has two, and the two support frames 10 are arranged perpendicularly and intersected with each other, and the fan 20 is installed at the intersection of the two support frames 10.

[0030] The maintenance walkway module 30 comprises two parallel lap frames 31 and a plurality of connecting plates 32 connected between the two lap frames 31 along the length direction of the lap frames 31, and the connecting plates 32 are fixedly connected with the lap frames 31 by welding. The lap frame 31 is lapped on the support frame 10 and fixedly connected with the support frame 10, and the connecting plate 32 is arranged in a bent manner. The connecting plate 32 comprises a foot plate 321 and a wind guide plate 322 connected with each other, the foot plate 321 is horizontally arranged, and the wind guide plate 322 is arranged in a downwardly inclined and bent manner. The two adjacent wind guide plates 322 form a wind guide channel 301 for wind to pass through the support frame 10 from bottom to top. In the embodiment, the foot plate 321 and the wind guide plate 322 are integrally formed, which is convenient for production and also helps to control the production cost.

[0031] The overlapping frame 31 is first abutted on the support frame 10, and then is fixedly connected on the support frame 10 through bolts or screws. When the fan 20 needs to be overhauled, the staff can walk to the fan 20 along the support frame 10 by stepping the foot plate 321. Since the foot plate 321 is horizontally arranged, the walking channel is flat, and the area for the user to step is large, so that the safety of the staff is fully ensured. Meanwhile, the air guide plate 322 arranged below the foot plate 321 is inclined, and has a certain flow guiding effect on the wind flowing upward, so that the situation that the wind is hindered to flow upward due to the blocking is relieved, and the operation efficiency of the fan is greatly improved. In addition, the connecting plate 32 is arranged in a bent mode, so that the structural strength of the connecting plate 32 is increased, and the situation that the connecting plate 32 is easily deformed or even broken is avoided, and the use is more reliable.

[0032] In the embodiment, the overlapping frame 31 is in an L-shaped structure, and the overlapping frame 31 comprises a limiting plate 311 and an abutting plate 312 which are connected with each other. The limiting plate 311 is attached to the longitudinal plate 111, and the abutting plate 312 is abutted on the overlapping plate 113 and is fixedly connected with the overlapping plate 113. In the embodiment, the abutting plate 312 is fixedly connected with the overlapping plate 113 through bolts. When installed, the abutting plate 312 is abutted on the overlapping plate 113, at this time, the limiting plate 311 is just attached to the longitudinal plate 111, and the cooperation between the limiting plate 311 and the longitudinal plate 111 improves the strength of the longitudinal plate 111, and meanwhile, the overlapping frame 31 can be conveniently installed on the support beam 11, and rapid installation is realized.

[0033] In the embodiment, the connecting plate 32 is perpendicular to the overlapping frame 31.

[0034] In addition, the included angle between the foot plate 321 and the air guide plate 322 is α, and 110°≤α≤130°, and in the embodiment, α=120°.

[0035] The support beam 11 is sequentially provided with a plurality of overhauling walkway modules 30 along the length direction of the support beam 11. In use, the overhauling walkway module 30 is used as a separate component, and the user can adaptively install a plurality of overhauling walkway modules 30 according to the length of the support beam 11.

[0036] Based on the above ideal embodiment of the present application, through the above description, the related staff can make various changes and modifications without deviating from the scope of the present application. The technical scope of the present application is not limited to the content in the specification, and must be determined according to the scope of the claims.

Claims

1. An access walkway module mounted on a support frame, characterized by: The maintenance walkway module comprises two mutually parallel overlapping frames and a plurality of connecting plates connected between the two overlapping frames along the length direction of the overlapping frames, the overlapping frames are abutted on the support frame and fixedly connected with the overlapping frames, the connecting plates are bent, the connecting plates comprise mutually connected foot plates and air guide plates, the foot plates are horizontally arranged, the air guide plates are bent and arranged downwardly and obliquely, and two adjacent air guide plates form an air guide channel for air to pass through the support frame from bottom to top.

2. The service walkway module of claim 1, wherein: The connecting plates are perpendicular to the overlapping frames.

3. The service walkway module of claim 1, wherein: The included angle between the foot plate and the air guide plate is α, and 110°≤α≤130°.

4. The service walkway module of claim 1, wherein: The included angle between the foot plate and the air guide plate is α=120°.

5. The service walkway module of claim 1, wherein: The foot plate and the air guide plate are integrally formed.

6. A fan access platform, characterized by: The fan maintenance platform comprises the maintenance walkway module of any one of claims 1-5, and further comprises a support frame and a fan, and the maintenance walkway module and the fan are both mounted on the support frame.

7. The fan access platform of claim 6, wherein: The support frame comprises two parallel support beams, the support beams are C-shaped beams, the support beams comprise longitudinal plates, fixed plates connected to the bottom of the longitudinal plates and overlapping plates connected to the top of the longitudinal plates, the overlapping frame comprises limiting plates and abutting plates which are connected with each other, the limiting plates are attached to the longitudinal plates, and the abutting plates are abutted on the overlapping plates and fixedly connected with the overlapping plates.

8. The fan access platform of claim 7, wherein: L-shaped reinforcing plates are fixedly connected to the side walls of the C-shaped openings of the longitudinal plates away from the support beams.

9. The fan access platform of claim 7, wherein: A plurality of maintenance walkway modules are sequentially mounted on the support beams along the length direction of the support beams.

10. A cooling tower characterized by: The cooling tower comprises the fan maintenance platform of any one of claims 6-9, and further comprises a tower body, and the fan maintenance platform is mounted at the opening at the top of the tower body.

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