Cooling fan lifting device

Abstract

The utility model discloses a cooling fan lifting device, and belongs to the technical field of lifting equipment. The cooling fan lifting device comprises a lifting mechanism and a connecting mechanism connected with the lifting mechanism. The lifting mechanism is provided with a lifting structure, a guide rail and a sliding block, the lifting structure is connected with the sliding block, and the sliding block abuts against the guide rail; and the connecting mechanism is connected with the lifting structure through a universal joint. The lifting mechanisms are symmetrically installed on the two sides of the base and connected through the connecting mechanism, so that the lifting mechanisms on the two sides can ascend and descend at the same time, the height of the cooling fan is adjusted, the cooling fan can ascend and descend integrally under the condition that only one power is input, and the situation that when the height of each lead screw is adjusted independently, the height of the lead screw is adjusted independently is avoided. And the problem that the cooling fan inclines or the lead screw is blocked is solved. The stand columns and the guide rails can support and guide the lifting structure, it is guaranteed that the lifting structure linearly moves along the guide rails all the time, and safety accidents caused by inclination of the cooling fan in the moving process are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a cooling fan lifting device and belongs to the lifting equipment technical field. BACKGROUND

[0002] During the chassis dynamometer test process, the automobile engine is in a high load operation state, especially in the long-time heavy load and full load test condition, the engine is prone to overheating. Since the vehicle is tested on the dynamometer, there is no head-on wind in actual driving, and the heat dissipation capacity of the engine cooling system is insufficient, so a cooling fan is placed in front of the tested vehicle during the chassis dynamometer test process to cool the tested vehicle.

[0003] Due to the different models of the tested vehicle, the height of the engine is also different, and the height of the cooling fan needs to be adjusted to cool the engine. The prior art cooling fan has two lifting lead screws on the left and right sides. When adjusting the height of the cooling fan, the height of each lifting lead screw needs to be adjusted separately, and the height of each adjustment cannot be too large. If the height is adjusted too large, the cooling fan is prone to tilt or the lifting lead screw is prone to jamming, causing safety accidents. INVENTION CONTENTS

[0004] The utility model provides a kind of cooling fan lifting device, to solve the problem that the height of cooling fan is adjusted, and the height of adjustment cannot be too large, too large leads to the tilt of cooling fan or the jamming of lifting lead screw, causes safety accident.

[0005] The utility model realizes the following technical scheme:

[0006] The utility model provides a kind of cooling fan lifting device, including lifting mechanism and the connecting mechanism of connecting the lifting mechanism;

[0007] The lifting mechanism is provided with lifting structure, guide rail and sliding block, the lifting structure is connected with the sliding block, and the sliding block is in abutment with the guide rail;

[0008] The connecting mechanism is connected with the lifting structure by universal joint.

[0009] In an embodiment of the utility model, the number of lifting mechanisms is two, and they are arranged on the two sides of the base respectively.

[0010] In an embodiment of the utility model, the lifting mechanism includes a stand column, and the guide rail is installed on one side of the stand column close to the lifting structure.

[0011] In an embodiment of the utility model, the lifting mechanism includes a bracket, the bracket is installed on the lifting structure, and the sliding block is installed on one side of the bracket close to the stand column.

[0012] In an embodiment of the utility model, the lifting mechanism further includes a support, which is installed on one side of the bracket.

[0013] In an embodiment of the utility model, the lifting structure is a spiral screw structure. The spiral screw structure is compact, highly adaptable, and has high precision, and can realize accurate lifting control and meet various precision requirements. The spiral screw structure also has a self-locking function, which can automatically lock in the event of power failure, overload, or damage to parts, ensuring safe use.

[0014] In an embodiment of the utility model, the connecting mechanism includes a fixed block and an adapter, the fixed block is sleeved outside the adapter, and the two ends of the adapter are connected with the universal joint.

[0015] In an embodiment of the utility model, the connecting mechanism further includes a first connecting piece, and the two ends of the first connecting piece are connected with the universal joint.

[0016] In an embodiment of the utility model, a second connecting piece is arranged on the side of the lifting structure away from the universal joint, and the second connecting piece is connected with the driving structure.

[0017] In an embodiment of the utility model, wheels are installed below the base. The wheels facilitate the movement of the lifting device and can drag the cooling fan to the appropriate position.

[0018] Advantages

[0019] The cooling fan lifting device provided by the utility model includes a lifting mechanism and a connecting mechanism. The lifting mechanism is symmetrically installed on both sides of the base and connected through the connecting mechanism, so that the lifting mechanisms on both sides can simultaneously perform lifting movement, the height of the cooling fan is adjusted, the cooling fan can be lifted as a whole under the condition of only one power input, and the problem of tilting of the cooling fan or jamming of the screw rod when adjusting the height of each screw rod individually is avoided. The lifting mechanism further includes a stand and a guide rail, which can provide support and guidance for the lifting structure, ensure that the lifting structure always moves linearly along the guide rail, and avoid tilting of the cooling fan during movement, thereby preventing safety accidents. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a perspective view of the cooling fan lifting device provided by the utility model;

[0021] Figure 2 It is a perspective view of the lifting device provided by the utility model;

[0022] Figure 3 It is a top view of the lifting device provided by the utility model;

[0023] Figure 4 for Figure 3 sectional view at A-A in FIG.

[0024] Figure 5 for Figure 3 sectional view at B-B in FIG.

[0025] In the drawings: 100, lifting device; 200, cooling fan;

[0026] 1, base; 11, wheel;

[0027] 2, lifting mechanism; 21, stand; 22, lifting structure; 23, bracket; 24, guide rail; 25, sliding block; 26, support;

[0028] 3, connecting mechanism; 31, first connecting piece; 32, universal joint; 33, fixed block; 34, adapter; 35, second connecting piece. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] In the present application, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0032] As Figures 1 to 5As shown, the embodiment of the present application provides a cooling fan lifting device, which comprises a lifting device 100 and a cooling fan 200. The cooling fan 200 is installed on the lifting device 100 and can move up and down with the lifting device 100 to realize the lifting of the cooling fan.

[0033] As shown in the drawings, Figure 2 and Figure 3 In some embodiments, the lifting device 100 comprises a base 1, a lifting mechanism 2 and a connecting mechanism 3. The base 1 is a frame structure, and the lifting mechanism 2 and the connecting mechanism 3 are both installed on the base 1. The number of the lifting mechanism 2 is two, which are symmetrically arranged on both sides of the base 1. The cooling fan 200 is fixedly installed on the lifting mechanism 2. The two ends of the connecting mechanism 3 are connected with the lifting mechanisms 2 on both sides, so that the lifting mechanisms 2 on both sides can move up and down at the same time, thereby realizing the adjustment of the height of the cooling fan 200 and avoiding the problems of tilting of the cooling fan 200 or jamming of the lifting mechanism 2.

[0034] As shown in the drawings, Figure 2 , Figure 3 and Figure 5 In some embodiments, the lifting mechanism 2 comprises a column 21 and a lifting structure 22. The column 21 and the lifting structure 22 are both installed on the frame of the base 1, and the lifting structure 22 is installed on one side of the column 21 and arranged in parallel with the column 21. The side of the column 21 close to the lifting structure 22 is provided with a guide rail 24. The lifting structure 22 is provided with a bracket 23 above, and the bracket 23 can move reciprocally with the lifting structure 22. The side of the bracket 23 close to the column 21 is provided with a sliding block 25, and the sliding block 25 abuts against the guide rail 24. The sliding block 25 moves reciprocally along the guide rail 24 under the driving of the lifting structure 22. The bracket 23 is further provided with a support 26, which is installed on the side perpendicular to the sliding block 25. The support 26 is fixedly connected with the cooling fan 200 and used for supporting the cooling fan 200. The two ends of the connecting mechanism 3 are connected with the lifting structures 22 on both sides, so that power is simultaneously transmitted to the lifting structures 22 on both sides to ensure that the lifting structures 22 on both sides move reciprocally at the same time. The lifting structure 22 can sequentially drive the bracket 23, the sliding block 25 and the support 26 to move reciprocally along the guide rail 24 under the action of external force. The column 21 and the guide rail 24 provide guidance and support for the lifting structure 22 to ensure that the lifting structure 22 always moves linearly along the guide rail 24, thereby avoiding the problems of tilting of the cooling fan 200 during movement and jamming of the lifting structure 22.

[0035] Further, in the embodiment, the lifting structure 22 is a spiral screw structure. The spiral screw structure is compact, has strong adaptability, high precision, can realize accurate lifting control and meet various precision requirements, and has a self-locking function to automatically lock in the case of power failure, overload or damage of parts, etc., thereby ensuring safety in use.

[0036] Further, in the embodiment, the sliding blocks 25 can be one or more installed on the bracket 23 near one side of the column 21. Preferably, in the embodiment, the sliding blocks 25 are provided with two, installed at both ends of the bracket 23, not only can save materials, but also can ensure that the bracket 23 always moves linearly along the guide rail 24 during movement, and will not tilt.

[0037] As shown in Figure 2 , Figure 3 and Figure 4 , in some embodiments, the connecting mechanism 3 includes a first connecting piece 31, a universal joint 32 and a fixed block 33, the fixed block 33 is fixedly installed on the base 1, the number of the first connecting piece 31 has two, symmetrically arranged on both sides of the fixed block 33, the two ends of the first connecting piece 31 are connected with the universal joint 32, and the two ends of the universal joint 32 are connected with the fixed block 33 and the lifting structure 22 respectively. The fixed block 33 is provided with a through hole, and a adapter 34 is installed inside. The two ends of the adapter 34 are connected with the universal joints 32 on both sides of the fixed block 33 respectively. The second connecting piece 35 is installed on the side of the lifting structure 22 away from the universal joint 32, and the side of the second connecting piece 35 away from the lifting structure 22 is connected with the driving structure to provide a power source for the entire lifting mechanism 2. The power is transmitted to the lifting structure 22 through the second connecting piece 35, the lifting structure 22 rotates, and drives the universal joint 32, the first connecting piece 31 and the adapter 34 to rotate, thereby driving the lifting structure 22 on the other side of the base 1 to rotate, so that the lifting structures 22 on both sides move simultaneously along the guide rail 24, avoiding the problem that the height of each lifting screw needs to be adjusted separately in the prior art, causing the cooling fan 200 to tilt or the lifting screw to be stuck.

[0038] Further, in the embodiment, the universal joint 32 is connected with the lifting structure 22, the first connecting piece 31 and the adapter 34 through a key or a pin, which is simple in structure, easy to install and disassemble, and can effectively transmit torque.

[0039] Further, in the embodiment, the first connecting piece 31 is a connecting rod, which can realize long-distance torque transmission and is convenient to install and maintain.

[0040] In some embodiments, wheels 11 are also installed below the base 1, which facilitates the movement of the lifting device 100 and can drag the cooling fan 200 to the appropriate position.

[0041] The utility model discloses a working principle: lifting mechanism 2 symmetry is installed on both sides of base 1, and is connected through connecting mechanism 3, and cooling fan 200 is installed on support 26, is connected through support 26 and lifting mechanism 2. When the height of cooling fan 200 needs to be adjusted, the driving mechanism provides power to lifting device 100 through second connecting piece 35, and second connecting piece 35 drives lifting structure 22 to rotate, and simultaneously power is transmitted to the lifting structure 22 of opposite side through universal joint 32, first connecting piece 31 and adapter piece 34, makes the lifting structure 22 of both sides rotate simultaneously. The lifting structure 22 of both sides simultaneously drives bracket 23 and support 26 along guide rail 24 reciprocating, thereby realizes the height adjustment of cooling fan 200, makes cooling fan 200 in only one power input, can whole lifting, avoids the height of adjusting every one lifting screw rod alone, causes the problem of the inclination of cooling fan 200 or makes lifting screw rod to jam.

[0042] The technical features of the above embodiments can be combined arbitrarily, and to make the description simple, all possible combinations of the technical features in the above embodiments are not described, however, as long as the combination of the technical features does not exist contradictory, it should be considered that it is within the scope of the present application.

[0043] The above embodiments only express several implementation manners of the utility model, and the description is more specific and detailed, but it should not be understood as the limitation of the scope of the invention patent. It should be pointed out that for ordinary skilled person in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which all belong to the protection scope of the utility model.

[0044] The principle and implementation manner of the utility model are described by applying specific embodiments in the present application, and the above embodiment is only used to help understand the method and core idea of the utility model. It should be pointed out that for ordinary skilled person in the art, without departing from the principle of the utility model, a number of improvements and modifications can be made to the utility model, and these improvements and modifications also fall within the protection scope of the claims of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A cooling fan lifting device, characterized in that, It includes a lifting mechanism (2) and a connecting mechanism (3) connecting the lifting mechanism (2); The lifting mechanism (2) is provided with a lifting structure (22), a guide rail (24) and a slider (25). The lifting structure (22) is connected to the slider (25), and the slider (25) abuts against the guide rail (24). The connecting mechanism (3) is connected to the lifting structure (22) via a universal joint (32).

2. The cooling fan lifting device according to claim 1, characterized in that, Includes a base (1), and two lifting mechanisms (2) are respectively arranged on both sides of the base (1).

3. The cooling fan lifting device according to claim 1, characterized in that, The lifting mechanism (2) includes a column (21) and a guide rail (24) is installed on the side of the column (21) near the lifting structure (22).

4. A cooling fan lifting device according to claim 3, characterized in that, The lifting mechanism (2) includes a bracket (23) which is mounted on the lifting structure (22), and the slider (25) is mounted on the side of the bracket (23) near the column (21).

5. A cooling fan lifting device according to claim 4, characterized in that, The lifting mechanism (2) also includes a bracket (26), which is installed on one side of the bracket (23).

6. A cooling fan lifting device according to claim 5, characterized in that, The lifting structure (22) is a screw screw structure.

7. A cooling fan lifting device according to claim 1, characterized in that, The connecting mechanism (3) includes a fixing block (33) and an adapter (34). The fixing block (33) is sleeved on the outside of the adapter (34), and both ends of the adapter (34) are connected to the universal joint (32).

8. A cooling fan lifting device according to claim 7, characterized in that, The connecting mechanism (3) further includes a first connector (31), the two ends of which are connected to the universal joint (32).

9. A cooling fan lifting device according to claim 1, characterized in that, The lifting structure (22) is provided with a second connector (35) on the side opposite to the universal joint (32), and the second connector (35) is connected to the drive structure.

10. A cooling fan lifting device according to any one of claims 1-9, characterized in that, A wheel (11) is mounted below the base (1).

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