Semi-automatic lifting device at top of cooling triangle of indirect air cooling system

Abstract

The utility model discloses a semi-automatic lifting device at the top of a cooling triangle of an indirect air cooling system, which comprises an inner side running track, an outer side running track, a girder and an electric hoist, the outer side running track is installed above a cooling triangular shutter column and is parallel to the inner side running track, the outer side running track and the inner side running track are arranged at the same height, and the girder is movably installed between the inner side running track and the outer side running track and can be movably adjusted in the length direction of the inner side running track in an operable mode. And the electric hoist is mounted on the girder and is used for vertically hoisting a heavy object. According to the utility model, hoisting and dismounting of the whole triangle can be avoided, the working efficiency is greatly improved, and the maintenance cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling systems, in particular to a semi-automatic lifting device at the top of a cooling triangle of an indirect air cooling system. Background Art

[0002] During the operation of the cooling triangles around the loop tower of the indirect cooling system, there are often maintenance requirements. For the maintenance and replacement of non-large components inside the cooling triangles, it is too costly to hoist and remove the entire triangle for maintenance. Summary of the Invention

[0003] Aiming at the above problems existing in the maintenance of the existing indirect cooling system, the present invention aims to provide a semi-automatic lifting device at the top of a cooling triangle of an indirect air cooling system, which reduces maintenance costs, has a simple structure, and high safety.

[0004] The specific technical solution is as follows:

[0005] A semi-automatic lifting device at the top of a cooling triangle of an indirect air cooling system, comprising:

[0006] An inner running track, which is installed above the outermost purlin of the widened platform of the indirect cooling tower;

[0007] An outer running track, which is installed above the louver columns of the cooling triangle and is arranged parallel and at the same height as the inner running track;

[0008] A girder, which is movably installed between the inner running track and the outer running track and can be operably moved and adjusted along the length direction of the inner running track;

[0009] An electric hoist, which is installed on the girder and is used for vertically lifting heavy objects.

[0010] As a further improvement and optimization of this solution, it further comprises:

[0011] A driving pulley assembly, which is arranged between one end of the girder and the outer running track and is used for driving one end of the girder to automatically roll along the outer running track;

[0012] A driven pulley assembly, which is arranged between the other end of the girder and the inner running track, and the other end of the girder is in rolling cooperation with the inner running track through the driven pulley assembly.

[0013] As a further improvement and optimization of this solution, the driven pulley assembly includes a base connected to the girder and at least two driven pulley members installed on the base, and each driven pulley member includes:

[0014] A bracket, the bracket being mounted on the base;

[0015] At least one upper pulley, the upper pulley is rotatably mounted on the bracket and rollingly cooperates with the top of the inner running track;

[0016] At least one lower pulley is rotatably mounted on the bracket and is in rolling cooperation with the bottom of the inner running track.

[0017] As a further improvement and optimization of this solution, the active pulley assembly includes:

[0018] A mounting seat connected to the beam;

[0019] At least two electric drive pulleys, the two electric drive pulleys are slidably and rotatably mounted on the mounting seat, and the two electric drive pulleys are in rolling cooperation with the top of the outer running track;

[0020] An actuator is connected to the two electric drive pulleys for driving the two electric drive pulleys to rotate so that one end of the beam rolls on the outer running track.

[0021] As a further improvement and optimization of this solution, the electric drive pulley is an electric drive groove pulley, and is clamped on the top of the outer running track.

[0022] As a further improvement and optimization of this solution, the bracket includes:

[0023] A fixed plate, the fixed plate is connected to the base, and the upper pulley is rotatably mounted on the bottom of the fixed plate;

[0024] The bending plate is an "L" structure, and the lower pulley is rotatably mounted on the inner bottom of the bending plate, and the bending plate is welded to the fixed plate to form a "匚"-shaped structure.

[0025] As a further improvement and optimization of this solution, both ends of the beam are provided with vehicle stops.

[0026] As a further improvement and optimization of this solution, the beam has a handle at one end close to the driven pulley assembly.

[0027] As a further improvement and optimization of the present solution, a triangular top railing is installed on the top of the cooling triangular louver column, and the outer running track is connected to the top of the triangular top railing and forms an integrated structure with the triangular top railing.

[0028] Compared with the prior art, the above technical solution has the following positive effects:

[0029] (1) When overhauling or replacing non-large components within the cooling triangle of the present utility model, only the sealed end cover at the top of the triangle needs to be removed. The girder moves on the inner running track and the outer running track, enabling the electric hoist to move between different cooling triangles and hoist heavy objects into the cooling triangle that needs to be replaced or overhauled for maintenance or replacement. This avoids the hoisting and disassembly of the entire triangle, greatly improving work efficiency and reducing maintenance costs.

[0030] (2) When moving the girder in the present utility model, one end of the girder is driven to roll on the outer running track through the active pulley assembly, and the other end of the girder is manually pushed by workers and the roller path of the other end of the girder on the inner running track is realized through the driven pulley assembly, thereby realizing the semi-automatic drive of the girder on the inner and outer tracks, saving time and effort and further improving work efficiency.

[0031] (3) In the present utility model, each driven sliding member is in rolling fit with the top of the inner running track through at least one upper pulley and in rolling fit with the bottom of the inner running track through at least one lower pulley, which can effectively prevent the girder from tipping over when moving on the inner and outer running tracks, improving the overall stability and safety of the equipment during use. Description of the Drawings

[0032] Figure 1 is a schematic structural diagram of a semi-automatic lifting device at the top of the cooling triangle of an indirect air cooling system of the present utility model;

[0033] Figure 2 is a schematic structural diagram of a driven pulley member of a semi-automatic lifting device at the top of the cooling triangle of an indirect air cooling system of the present utility model;

[0034] Figure 3 is a semi-automatic lifting device at the top of the cooling triangle of an indirect air cooling system of the present utility model Figure 1 in the a-a sectional view;

[0035] Figure 4 is a semi-automatic lifting device at the top of the cooling triangle of an indirect air cooling system of the present utility model Figure 1 in the b-b sectional view;

[0036] Figure 5 is a schematic structural diagram of the active pulley assembly of a semi-automatic lifting device at the top of the cooling triangle of an indirect air cooling system of the present utility model;

[0037] In the attached drawings: 1. Girder; 2. Inner running track; 3. Outer running track; 4. Driving pulley assembly; 5. Driven pulley assembly; 6. Widening platform of indirect cooling tower; 7. Purlin; 8. Cooling triangular louver column; 9. Triangular top railing; 10. Electric hoist; 11. Handle; 12. Buffer stop; 41. Electrically driven pulley; 42. Mounting seat; 43. Actuator; 51. Base; 52. Driven pulley member; 521. Upper pulley; 522. Lower pulley; 523. Bracket; 5231. Fixed plate; 5232. Bent plate. Detailed implementation mode

[0038] The technical solution of the present utility model will be clearly and completely described below with reference to the attached drawings. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0039] In the description of the present utility model, it should be noted that terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the attached drawings. It is 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 should not be construed as a limitation of the present utility model. In addition, terms such as "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0040] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, terms such as "installation", "connection", "connection" 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 or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0041] Figure 1 It is a structural schematic diagram of a semi-automatic lifting device for the top of the cooling triangle of an indirect air cooling system of the present utility model. Figure 2 It is a structural schematic diagram of a driven pulley member of a semi-automatic lifting device for the top of the cooling triangle of an indirect air cooling system of the present utility model. Figure 3 It is for a semi-automatic lifting device for the top of the cooling triangle of an indirect air cooling system of the present utility model. Figure 1 Cross-sectional view a-a in Figure 4This is for a semi-automatic hoisting device at the top of the cooling triangle of an indirect air cooling system of the utility model Figure 1 The sectional view taken along line b-b in Figure 5 This is a schematic structural view of the driving pulley assembly of a semi-automatic hoisting device at the top of the cooling triangle of an indirect air cooling system of the utility model. As Figures 1 - 5 shown, it shows a semi-automatic hoisting device at the top of the cooling triangle of an indirect air cooling system of a preferred embodiment, including an inner running track 2, an outer running track 3, a girder 1, and an electric hoist 10. The inner running track 2 is installed above the outermost purlin 7 of the widened platform 6 of the indirect cooling tower. The outer running track 3 is installed above the cooling triangle louver column 8 and is arranged parallel and at the same height as the inner running track 2. The girder 1 is movably installed between the inner running track and the outer running track 3 and can be operably moved and adjusted along the length direction of the inner running track 2. The electric hoist 10 is installed on the girder 1 and is used for vertically lifting heavy objects (components to be replaced and replacement tools, etc.).

[0042] In this embodiment, when overhauling or replacing non-large components inside the cooling triangle, only the sealed end cover at the top of the triangle needs to be removed. The girder 1 is moved on the inner running track 2 and the outer running track 3, so that the electric hoist 10 can be moved between different cooling triangles, and the heavy object is hoisted into the cooling triangle that needs to be overhauled or replaced for overhaul or replacement, avoiding the hoisting and disassembly of the entire triangle, greatly improving the work efficiency, and reducing the overhaul cost.

[0043] Further, as a preferred embodiment, it further includes a driving pulley assembly 4 and a driven pulley assembly 5. The driving pulley assembly 4 is arranged between one end of the girder 1 and the outer running track 3 and is used to drive one end of the girder 1 to automatically roll on the outer running track 3. The driven pulley assembly 5 is arranged between the other end of the girder 1 and the inner running track 2, and the other end of the girder 1 is in rolling cooperation with the inner running track through the driven pulley assembly 5.

[0044] In this embodiment, when moving the girder 1, the driving pulley assembly 4 is used to drive one end of the girder 1 to roll on the outer running track 3. The other end of the girder 1 is manually pushed and the roller path of the other end of the girder 1 on the inner running track 2 is realized through the driven pulley assembly 5, thereby realizing the semi-automatic drive of the girder 1 on the inner and outer tracks, saving time and effort, and further improving the work efficiency.

[0045] Furthermore, as a preferred embodiment, the driven pulley assembly 5 includes a base 51 connected to the beam 1 and at least two driven pulley components 52 installed on the base 51, each driven pulley component 52 includes a bracket 523, at least one upper pulley 521 and at least one lower pulley 522, the bracket 523 is installed on the base 51, the upper pulley 521 is rotatably installed on the bracket 523 and rolls with the top of the inner running track 2, and the lower pulley 522 is rotatably installed on the bracket 523 and rolls with the bottom of the inner running track 2.

[0046] In this embodiment, each driven sliding component can effectively prevent the beam 1 from tipping over when the inner and outer running tracks 3 move, by rolling cooperation with the top of the inner running track 2 through at least one upper pulley 521 and rolling cooperation with the bottom of the inner running track 2 through at least one lower pulley 522, thereby improving the stability and safety of the overall use of the equipment.

[0047] Further, as a preferred embodiment, the active pulley assembly 4 includes a mounting seat 42, at least two electric drive pulleys 41 and an actuator 43, the mounting seat 42 is connected to the beam 1, two electric drives are slidably and rotatably mounted on the mounting seat 42, the two electric drive pulleys 41 are rollingly matched with the top of the outer running track 3, and the actuator 43 is transmission-connected to the two electric drive pulleys 41 for driving the two electric drive pulleys 41 to rotate so that one end of the beam 1 rolls on the outer running track 3.

[0048] Preferably, the actuator 43 may be a motor actuator 43 .

[0049] Furthermore, as a preferred embodiment, in order to improve the connection stability between the electric drive pulley 41 and the outer running track 3 , the electric drive pulley 41 is an electric drive groove pulley and is clamped on the top of the outer running track 3 .

[0050] Furthermore, as a preferred embodiment, the bracket 523 includes a fixed plate 5231 and a bending plate 5232. The fixed plate 5231 is connected to the base 51, and the upper pulley 521 is rotatably installed at the bottom of the fixed plate 5231. The bending plate 5232 is an "L" structure, and the lower pulley 522 is rotatably installed at the inner bottom of the bending plate 5232, and the bending plate 5232 is welded to the fixed plate 5231 to form a "匚" type structure.

[0051] Specifically, during on-site assembly, the upper pulley 521 and the lower pulley 522 are hooked to the inner running track 2 in an embracing manner, and then the L-shaped bent plate 5232 is welded to the fixed plate 5231 .

[0052] Furthermore, as a preferred embodiment, both ends of the beam 1 are provided with a vehicle stopper 12 .

[0053] Further, as a preferred embodiment, in order to facilitate manual pushing of the other end of the girder 1 to roll on the inner running track 2, one end of the girder 1 close to the driven pulley assembly 5 is provided with a handle 11.

[0054] Further, as a preferred embodiment, a triangular top railing 9 is installed at the top of the cooling triangular louver column 8, and the outer running track 3 is connected to the top of the triangular top railing 9 and is an integral structure with the triangular top railing 9.

[0055] The electric hoist 10 is an existing conventional accessory, and its specific principle and structure will not be described in detail herein.

[0056] The above are only the preferred embodiments of the present invention, and thus do not limit the implementation manners and protection scope of the present invention. For those skilled in the art, it should be realized that all the equivalent replacements and obvious changes made by using the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims

1. An indirect air cooling system for cooling a triangular top semi-automatic lifting device, characterized in that: Comprising: Inner running track, which is installed above the outermost purlin of the widened platform of the indirect cooling tower; Outer running track, which is installed above the cooling triangular louver column and is arranged parallel and at the same height as the inner running track; Girder, which is movably installed between the inner running track and the outer running track and can be operably moved and adjusted along the length direction of the inner running track; Electric hoist, which is installed on the girder and is used for vertically lifting heavy objects.

2. According to claim 1, the indirect air cooling system for cooling the triangular top semi-automatic lifting device is characterized in that: Further comprising: Active pulley assembly, which is arranged between one end of the girder and the outer running track and is used for driving one end of the girder to automatically roll along the outer running track; Driven pulley assembly, which is arranged between the other end of the girder and the inner running track, and the other end of the girder is in rolling cooperation with the inner running track through the driven pulley assembly.

3. According to claim 2, the indirect air cooling system for cooling the triangular top semi-automatic lifting device is characterized in that: The driven pulley assembly includes a base connected to the girder and at least two driven pulley members installed on the base. Each driven pulley member includes: Bracket, which is installed on the base; At least one upper pulley, which is rotatably installed on the bracket and is in rolling cooperation with the top of the inner running track; At least one lower pulley, which is rotatably installed on the bracket and is in rolling cooperation with the bottom of the inner running track.

4. The indirect air cooling system for cooling the triangular top semi-automatic lifting device according to any one of claims 2-3, characterized in that: The active pulley assembly includes: Mounting seat, which is connected to the girder; At least two electric drive pulleys, which are rotatably installed on the mounting seat, and the two electric drive pulleys are in rolling cooperation with the top of the outer running track; Actuating mechanism, which is传动连接 with the two electric drive pulleys and is used for driving the two electric drive pulleys to rotate so that one end of the girder rolls on the outer running track.

5. The indirect air cooling system for cooling the triangular top semi-automatic lifting device according to claim 4 is characterized in that: The electric drive pulley is an electric drive grooved pulley and is clamped on the top of the outer running track.

6. According to claim 3, the indirect air cooling system for cooling the triangular top semi-automatic lifting device is characterized in that: The bracket includes: Fixed plate, which is connected to the base, and the upper pulley is rotatably installed at the bottom of the fixed plate; Bending plate, which is in an "L" structure, and the lower pulley is rotatably installed at the inner bottom of the bending plate, and the bending plate is welded to the fixed plate and forms a "匚" structure.

7. The indirect air cooling system for cooling the triangular top semi-automatic lifting device according to claim 1 is characterized in that: Both ends of the girder are provided with car stops.

8. The indirect air cooling system for cooling the triangular top semi-automatic lifting device according to claim 2 is characterized in that: One end of the girder close to the driven pulley assembly is provided with a handle.

9. The indirect air cooling system for cooling the triangular top semi-automatic lifting device according to claim 1 is characterized in that: A triangular top railing is installed at the top of the cooling triangular louver column, and the outer running track is connected to the top of the triangular top railing and is an integral structure with the triangular top railing.

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