Fan with lifting maintenance device

Abstract

The utility model relates to a fan with a lifting maintenance device, which sequentially comprises a fan unit, a fan fixing plate and a fixing frame from top to bottom, and the fan unit is mounted on the fan fixing plate; a lifting fixing plate is arranged on the fixing frame, transmission assemblies are installed on the portions, on the periphery of the lifting fixing plate, of the fixing frame, the transmission assemblies drive the lifting fixing plate on the inner side to move in the vertical direction, and a fan fixing plate is installed on the lifting fixing plate. Compared with a traditional mode that peripheral elements of the whole fan are dismounted and moved in a hoisting mode, the fan moving-out mode is convenient and rapid, and more cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field related to air processing systems, and in particular to a fan with a lifting and maintenance device. Background Art

[0002] Air handling unit is a centralized air handling system, which originated from the forced hot air heating and ventilation system that distributes heated air through air ducts in a centralized setting of equipment. The fan is an indispensable part of the whole system. Air handling units are mostly used in occasions with large system air volume, so the fan size is often large. Due to cost and function reasons, the equipment space is often compressed very small, which easily causes the fan to be unable to be extracted or difficult to be extracted due to too small space.

[0003] In view of the above-mentioned defects, the designers actively carried out research and innovation in order to create a fan lifting and maintenance device to make it more valuable for industrial use. Utility Model Content

[0004] In order to solve any of the above technical problems, the purpose of the utility model is to provide a fan with a lifting and maintenance device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The fan with a lifting maintenance device comprises a fan unit, a fan fixing plate and a fixing frame from top to bottom, and the fan unit is installed on the fan fixing plate;

[0007] A lifting fixing plate is arranged on the fixing frame, and transmission components are installed on the fixing frames around the lifting fixing plate. The transmission components drive the lifting fixing plate inside to move in the vertical direction, and a fan fixing plate is installed on the lifting fixing plate;

[0008] The two transmission assemblies at the front are respectively connected to the transmission assemblies at the rear through the first connecting shaft, and the tops of the two transmission assemblies at the rear are both provided with steering assemblies, and the two steering assemblies are connected to each other through the second connecting shaft;

[0009] The transmission assembly includes a transmission frame, a transmission shaft, a first transmission gear and a second transmission gear, and the steering assembly includes a steering frame, a third transmission gear and a fourth transmission gear. The steering frame can be installed on the top of the transmission frame, and a transmission shaft distributed in a vertical direction is installed in the transmission frame. The first transmission gear is installed at the bottom of the transmission shaft. The second transmission gear in the transmission frame on one side of the first transmission gear is installed on the first connecting shaft. The top of the transmission shaft extends to the steering frame above and is installed with a third transmission gear. The fourth transmission gear in the steering frame on one side of the third transmission gear is installed on the second connecting shaft.

[0010] As a further improvement of the utility model, a nut seat is installed on the transmission shaft located in the transmission base frame, and a support plate is installed directly above the nut seat, and the support plate is connected to the inner lifting and fixing plate; a sleeve is inserted into the locking hole of the nut seat and fits tightly, and then the sleeve is inserted into the locking hole of the support plate and fits with a gap, and then the nut seat locking screw is passed through the locking holes of the sleeve and the nut seat in turn and locked.

[0011] As a further improvement of the utility model, a nut seat backing plate is installed between the nut seat locking screw and the support plate.

[0012] As a further improvement of the utility model, a plurality of limit guide frames and a plurality of limit blocks are installed on the outer side of the lifting and fixing plate.

[0013] As a further improvement of the utility model, a plurality of fixing bosses for fixing the fan fixing plate are installed on the lifting fixing plate near the outer side.

[0014] As a further improvement of the utility model, the four sides of the fan unit are installed together with the fan fixing plate below through the fan floating installation assembly.

[0015] As a further improvement of the utility model, the fan floating installation assembly includes a floating connecting plate and a floating fixing seat. The floating connecting plate is installed on the fan unit, and the floating fixing seat is installed on the fan fixing plate. A spring is pressed on the connecting plate spring compression shaft in the floating connecting plate.

[0016] As a further improvement of the utility model, a plurality of steel ball rollers are installed on the lifting and fixing plate.

[0017] By means of the above scheme, the utility model has at least the following advantages:

[0018] The utility model moves by means of a steel ball roller and can move in any direction without direction restriction, the cost is greatly reduced compared to a linear guide rail, and the space used is greatly reduced.

[0019] The transmission component and the lifting fixing plate of the utility model are installed in a floating manner, which can effectively eliminate the resistance in the lifting process and prevent the gears from getting stuck in the lifting process.

[0020] The fan of the utility model adopts floating installation, and the fan is fixed to the fan fixing plate by means of a compression spring, which can greatly eliminate the influence of the fan vibration on the equipment.

[0021] Compared with the traditional method of removing the entire fan peripheral components by lifting, the fan removal method of the utility model is convenient, fast and more cost-effective.

[0022] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 It is a structural schematic diagram of a fan lifting and maintenance device of the utility model;

[0025] Figure 2 yes Figure 1 The structural diagram of the other side;

[0026] Figure 3 yes Figure 1 Schematic diagram of the structure after removing the fan unit and fan fixing plate;

[0027] Figure 4 yes Figure 3 The schematic diagram of the structure of the transmission assembly and the steering assembly;

[0028] Figure 5 yes Figure 4 Schematic diagram of the installation structure of the middle nut seat and the support plate;

[0029] Figure 6 yes Figure 2 Schematic diagram of the structure of the floating installation assembly of the medium-sized wind turbine.

[0030] The meanings of the various reference numerals in the figures are as follows.

[0031] Fan unit 1, fan fixing plate 2, lifting fixing plate 3, fixing frame 4, transmission assembly 5, first connecting shaft 6, limiting guide frame 7, fan floating installation assembly 8, second connecting shaft 9, limiting block 10, fixing boss 11, steering assembly 12, transmission base frame 13, transmission shaft 14, first transmission gear 15, nut seat 16, support plate 17, second transmission gear 18, steering base frame 19, third transmission gear 20, fourth transmission gear 21, sleeve 22, nut seat locking screw 23, nut seat pad 24, floating connecting plate 25, floating fixing seat 26, spring 27, connecting plate spring compression shaft 28. DETAILED DESCRIPTION

[0032] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0033] In order to make the technical personnel in the technical field better understand the scheme of the utility model, the technical scheme in the embodiment of the utility model will be clearly and completely described below in combination with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, rather than all the embodiments. The components of the embodiment of the utility model usually described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model for protection, but only represents the selected embodiment of the utility model. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the utility model.

[0034] like Figure 1 to Figure 6 As shown, the fan with a lifting maintenance device includes a fan unit 1, a fan fixing plate 2 and a fixing frame 4 from top to bottom, and the fan unit 1 is installed on the fan fixing plate 2;

[0035] A lifting fixed plate 3 is arranged on the fixing frame 4, and a transmission assembly 5 is installed on the fixing frame 4 around the lifting fixed plate 3. The transmission assembly 5 drives the lifting fixed plate 3 inside to move in the vertical direction, and a fan fixing plate 2 is installed on the lifting fixed plate 3;

[0036] The two transmission assemblies 5 at the front are respectively connected to the transmission assembly 5 at the rear through the first connecting shaft 6. A steering assembly 12 is provided on the top of the two transmission assemblies 5 at the rear. The two steering assemblies 12 are connected to each other through the second connecting shaft 9.

[0037] The transmission assembly 5 includes a transmission frame 13, a transmission shaft 14, a first transmission gear 15 and a second transmission gear 18. The steering assembly 12 includes a steering frame 19, a third transmission gear 20 and a fourth transmission gear 21. The steering frame 19 can be installed on the top of the transmission frame 13. The transmission shaft 14 distributed in the vertical direction is installed in the transmission frame 13. The first transmission gear 15 is installed at the bottom of the transmission shaft 14. The second transmission gear 18 in the transmission frame 13 on one side of the first transmission gear 15 is installed on the first connecting shaft 6. The top of the transmission shaft 14 extends to the steering frame 19 above and is installed with the third transmission gear 20. The fourth transmission gear 21 in the steering frame 19 on one side of the third transmission gear 20 is installed on the second connecting shaft 9.

[0038] Preferably, a nut seat 16 is installed on the transmission shaft 14 located in the transmission base 13, and a support plate 17 is installed directly above the nut seat 16, and the support plate 17 is connected to the inner lifting and fixing plate 3; the sleeve 22 is inserted into the locking hole of the nut seat 16 and fits tightly, and then the sleeve 22 is inserted into the locking hole of the support plate 17 and fits with clearance, and then the nut seat locking screw 23 is passed through the locking holes of the sleeve 22 and the nut seat 16 in turn and locked.

[0039] Preferably, a nut seat backing plate 24 is installed between the nut seat locking screw 23 and the support plate 17 .

[0040] Preferably, a plurality of limiting guide frames 7 and a plurality of limiting blocks 10 are installed on the outer side of the lifting and fixing plate 3 .

[0041] Preferably, a plurality of fixing bosses 11 for fixing the fan fixing plate 2 are installed on the lifting fixing plate 3 near the outer side.

[0042] Preferably, the four sides of the fan unit 1 are mounted together with the fan fixing plate 2 below through the fan floating mounting assembly 8.

[0043] Preferably, the fan floating installation assembly 8 includes a floating connecting plate 25 and a floating fixing seat 26, the floating connecting plate 25 is installed on the fan unit 1, the floating fixing seat 26 is installed on the fan fixing plate 2, and a spring 27 is pressed on the connecting plate spring compression shaft 28 in the floating connecting plate 25.

[0044] Preferably, a plurality of steel ball rollers are installed on the lifting and fixing plate 3 .

[0045] The utility model adjusts the height of the fan through the gear transmission mechanism (ie, the transmission component 5), so that the fan and the fixing plate can be quickly moved out of the equipment through a series of steel ball rollers and under the action of the guide cam follower, and transported to a designated location.

[0046] Specific embodiments of the utility model:

[0047] Because there is a ground rail outside the equipment, the fan unit 1 cannot be directly moved out when the door is opened in the working state. Therefore, a fan lifting and maintenance device is designed. When maintenance is required, the fan unit 1 can be raised through a series of bevel gear transmission mechanisms until it can just avoid the ground rail, and then the fan unit 1 can be moved out for maintenance by docking with a tool cart.

[0048] Four transmission components 5 are fixed on the fixing frame 8 respectively. The two transmission components 5 located in the front are respectively connected to the transmission components 5 at the rear through the first connecting shaft 6. The tops of the two transmission components 5 located in the rear are both provided with steering components 12. The two steering components 12 are connected to each other through the second connecting shaft 9. The lifting and fixing plates 3 are respectively connected and fixed by the four transmission components. The fan fixing plate 2 is fixed to the fixing frame 4 through the five fixing bosses 11 on the fixing frame 4. A series of steel ball rollers are fixed on the lifting and fixing plate 3, and five notches are opened at the corresponding positions of the five fixing bosses 11 on the fixing frame 4. There is a gap between the fan fixing plate 2 and the steel ball rollers in the working state. When the fan needs to be removed for maintenance, the fixing screws of the fan fixing plate 2 and the five fixing bosses 11 on the fixing frame 4 are removed, and any one of the transmission components 5 is docked through the external handle to make the lifting and fixing plate 3 rise, and the steel ball rollers on it contact the fan fixing plate 2 and drive the fan unit 1 to rise.

[0049] A steering assembly 12 is provided on the top of the two transmission assemblies 5 located at the rear. The transmission assembly 5 includes a transmission frame 13, a transmission shaft 14, a first transmission gear 15 and a second transmission gear 18. The steering assembly 12 includes a steering frame 19, a third transmission gear 20 and a fourth transmission gear 21. The steering frame 19 can be installed on the top of the transmission frame 13. The transmission shaft 14 distributed in the vertical direction is installed in the transmission frame 13. The first transmission gear 15 is installed at the bottom of the transmission shaft 14. The second transmission gear 18 in the transmission frame 13 on one side of the first transmission gear 15 is installed on the first connecting shaft 6. The top of the transmission shaft 14 extends to the steering frame 19 above and is installed with the third transmission gear 20. The fourth transmission gear 21 in the steering frame 19 on one side of the third transmission gear 20 is installed on the second connecting shaft 9.

[0050] A nut seat 16 is installed on the transmission shaft 14 located in the transmission base 13, and a support plate 17 is installed directly above the nut seat 16. The support plate 17 is connected to the inner lifting and fixing plate 3; a sleeve 22 is inserted into the locking hole of the nut seat 16 and fits tightly, and then the sleeve 22 is inserted into the locking hole of the support plate 17 and fits with clearance, and then the nut seat locking screw 23 is passed through the sleeve 22 and the locking hole of the nut seat 16 in sequence and locked. Therefore, the support plate 24 is connected to the nut seat 23 in a floating manner.

[0051] The floating connecting plate 25 is fixed on the fan fixing plate 2, the spring 27 is passed through the connecting plate 38, and finally the fan fixing hole is passed through the connecting plate spring pressing shaft 28 on the floating connecting plate 25 and pressed on the spring 27, which can greatly eliminate the influence of the fan vibration on the equipment. Because the fan motor end is heavier, the spring 27 close to the fan motor side has stronger elasticity.

[0052] It moves by means of steel ball rollers and can move in any direction without direction restrictions. The cost is greatly reduced compared to linear guides, and the space used is greatly reduced.

[0053] The transmission assembly and the lifting fixed plate are installed in a floating manner, which can effectively eliminate resistance during the lifting process and prevent the gears from getting stuck during the lifting process.

[0054] The fan is installed in a floating manner and the fan is fixed to the fan fixing plate by a compression spring, which can greatly eliminate the impact of fan vibration on the equipment.

[0055] Compared with the traditional method of removing the entire fan and surrounding components by lifting, the fan removal method is more convenient, faster and more cost-effective.

[0056] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implying the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0057] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, it can be a mechanical connection, it can be an electrical connection, it can be a direct connection, it can be an indirect connection through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0058] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A fan with a lifting maintenance device, comprising, from top to bottom, a fan unit (1), a fan fixing plate (2) and a fixing frame (4), wherein the fan unit (1) is mounted on the fan fixing plate (2); characterized in that: A lifting fixed plate (3) is arranged on the fixing frame (4), and transmission components (5) are installed on the fixing frames (4) around the lifting fixed plate (3), and the transmission components (5) drive the lifting fixed plate (3) on the inside to move in the vertical direction, and a fan fixing plate (2) is installed on the lifting fixed plate (3); The two transmission assemblies (5) located in the front are respectively connected to the transmission assembly (5) at the rear via a first connecting shaft (6); a steering assembly (12) is provided on the top of each of the two transmission assemblies (5) located in the rear, and the two steering assemblies (12) are connected to each other via a second connecting shaft (9); The transmission assembly (5) comprises a transmission base (13), a transmission shaft (14), a first transmission gear (15) and a second transmission gear (18); the steering assembly (12) comprises a steering base (19), a third transmission gear (20) and a fourth transmission gear (21); the steering base (19) can be mounted on the top of the transmission base (13); a transmission shaft (14) distributed in a vertical direction is mounted in the transmission base (13); the first transmission gear (15) is mounted on the bottom of the transmission shaft (14); the second transmission gear (18) in the transmission base (13) on one side of the first transmission gear (15) is mounted on the first connecting shaft (6); the top of the transmission shaft (14) extends to the steering base (19) above and is mounted with a third transmission gear (20); the fourth transmission gear (21) in the steering base (19) on one side of the third transmission gear (20) is mounted on the second connecting shaft (9).

2. The fan with a lifting and maintenance device according to claim 1, characterized in that: A nut seat (16) is installed on the transmission shaft (14) located in the transmission base frame (13), and a support plate (17) is installed directly above the nut seat (16), and the support plate (17) is connected to the inner lifting and fixing plate (3); a sleeve (22) is inserted into the locking hole of the nut seat (16) and tightly fitted, and then the sleeve (22) is inserted into the locking hole of the support plate (17) and loosely fitted, and then the nut seat locking screw (23) is sequentially passed through the locking holes of the sleeve (22) and the nut seat (16) and locked.

3. The fan with a lifting and maintenance device according to claim 2, characterized in that: A nut seat backing plate (24) is installed between the nut seat locking screw (23) and the support plate (17).

4. The fan with a lifting and maintenance device according to claim 1, characterized in that: A plurality of position-limiting guide frames (7) and a plurality of position-limiting blocks (10) are installed on the outer side of the lifting and fixing plate (3).

5. The fan with a lifting and maintenance device according to claim 1, characterized in that: A plurality of fixing bosses (11) for fixing the fan fixing plate (2) are installed on the lifting fixing plate (3) near the outer side.

6. The fan with a lifting and maintenance device according to claim 1, characterized in that: The four sides of the fan unit (1) are mounted together with the fan fixing plate (2) below via a fan floating mounting assembly (8).

7. The fan with a lifting and maintenance device according to claim 6, characterized in that: The fan floating installation assembly (8) comprises a floating connecting plate (25) and a floating fixing seat (26), wherein the floating connecting plate (25) is installed on the fan unit (1), and the floating fixing seat (26) is installed on the fan fixing plate (2), and a spring (27) is pressed on the connecting plate spring pressing shaft (28) in the floating connecting plate (25).

8. The fan with a lifting and maintenance device according to claim 1, characterized in that: A plurality of steel ball rollers are installed on the lifting and fixing plate (3).

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