CN220972212U - Large-scale industrial fan belt pulley drawing mechanism - Google Patents
Large-scale industrial fan belt pulley drawing mechanism Download PDFInfo
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- CN220972212U CN220972212U CN202322478674.XU CN202322478674U CN220972212U CN 220972212 U CN220972212 U CN 220972212U CN 202322478674 U CN202322478674 U CN 202322478674U CN 220972212 U CN220972212 U CN 220972212U
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- belt pulley
- pulley
- threaded rod
- channel steel
- supporting mechanism
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- 230000007246 mechanism Effects 0.000 title claims abstract description 73
- 229910000831 Steel Inorganic materials 0.000 claims description 28
- 239000010959 steel Substances 0.000 claims description 28
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 26
- 229910052742 iron Inorganic materials 0.000 claims description 13
- 210000001503 joint Anatomy 0.000 claims description 3
- 230000003068 static effect Effects 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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Abstract
The utility model discloses a large-scale industrial fan belt pulley drawing mechanism, which comprises a belt pulley supporting mechanism, wherein one end of the belt pulley supporting mechanism is connected with a belt pulley, and the other end of the belt pulley supporting mechanism extends to the front side of the belt pulley along the axial direction of the belt pulley; and the stretching mechanism is arranged at one end, far away from the belt pulley, of the belt pulley supporting mechanism, and the stretching mechanism applies a drawing force to the belt pulley through a threaded rod of the belt pulley supporting mechanism. The drawing mechanism is abutted with the belt pulley shaft neck and connected with the belt pulley through the belt pulley supporting mechanism, the belt pulley is disassembled in a static stretching mode by utilizing the drawing force applied to the belt pulley by the remote stretching mechanism through the threaded rod, the whole structure is simple, the disassembling work of the belt pulleys with different inner diameters and bolt hole distances can be adapted, the quick disassembling is realized, and the time is saved for equipment maintenance.
Description
Technical Field
The utility model relates to the technical field of overhauling of industrial fans, in particular to a large-scale industrial fan belt pulley drawing mechanism.
Background
Because the total requirement of the rotating speed and the power is considered in the large-scale industrial fan, the transmission mode generally adopts belt transmission, and the belt transmission type industrial fan is disassembled and inspected in the unit maintenance process, and the disassembling work of the belt pulley becomes a pipe fitting factor for restricting the maintenance period of the unit. Because the power of the industrial fan is generally larger, the diameter of the fan transmission shaft and the diameter of the belt pulley are larger, the common three-grab pulling horse cannot be used, the large three-grab pulling horse has larger dead weight, the method is very inconvenient to use, and the inner ring of the belt pulley is generally heated and knocked in the conventional overhaul process to disassemble, but the method is not straight and straight in the knocking process to act on the belt pulley, so that the damage to the shaft is easy to occur. In combination with the actual situation of the site, the use of a large-scale drawing tool requires several people to operate simultaneously, which consumes manpower and material resources.
Accordingly, based on the above technical problems, a person skilled in the art is required to develop a large-scale industrial fan pulley drawing mechanism.
Disclosure of utility model
The utility model aims to provide a large-scale industrial fan belt pulley drawing mechanism, which adopts a static force drawing mode to realize the disassembly of belt pulleys, has a simple overall structure and certain universality, can be suitable for belt pulleys with different inner diameters and different bolt hole distances, can assist in rapidly completing the disassembly work of the belt pulleys, saves time for equipment maintenance and creates benefits to the greatest extent.
In order to achieve the above object, the present utility model provides the following technical solutions:
The utility model relates to a large-scale industrial fan belt pulley drawing mechanism, which comprises:
The belt pulley supporting mechanism is connected with the belt pulley at one end, and the other end of the belt pulley supporting mechanism extends to the front side of the belt pulley along the axial direction of the belt pulley; and
The stretching mechanism is arranged at one end, far away from the belt pulley, of the belt pulley supporting mechanism, and the stretching mechanism applies a drawing force to the belt pulley through a threaded rod of the belt pulley supporting mechanism.
Further, the pulley support mechanism includes:
a cylindrical iron block abutting the journal of the pulley;
a base plate assembly at an end of the cylindrical iron block remote from the pulley; and
Threaded rods pass through the bottom plate assembly and are connected with corresponding threaded holes of the belt pulleys;
the number of the threaded rods is two, and one end of the threaded rod, which is far away from the belt pulley, passes through the bottom plate assembly to extend to the front side of the belt pulley;
The stretching mechanism is connected to a portion of the threaded rod extending to the front side of the base plate assembly.
Further, the base plate assembly includes:
The two channel steel bottom plates are symmetrically arranged and separated from each other, and the bottom plates of the two channel steel bottom plates are oppositely arranged;
The space between the two channel steel bottom plates is the penetrating space of the threaded rod;
The two channel steel bottom plates are connected through a bottom plate connecting bolt;
The connection part of the threaded rod and the channel steel bottom plates is provided with a nut cushion block, the threaded rod penetrates through the nut cushion block, and the threaded rod is in butt joint with the two channel steel bottom plates through the nut cushion blocks;
And one end, far away from the belt pulley, of the cylinder iron block is abutted against the two channel steel bottom plates.
Further, the tensioning mechanism is configured as a back-up nut threadably connected to the threaded rod.
In the technical scheme, the large-scale industrial fan belt pulley drawing mechanism provided by the utility model has the following beneficial effects:
The drawing mechanism is abutted with the belt pulley shaft neck and connected with the belt pulley through the belt pulley supporting mechanism, the belt pulley is disassembled in a static stretching mode by utilizing the drawing force applied to the belt pulley by the remote stretching mechanism through the threaded rod, the whole structure is simple, the disassembling work of the belt pulleys with different inner diameters and bolt hole distances can be adapted, the quick disassembling is realized, and the time is saved for equipment maintenance.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of a large-scale industrial fan pulley drawing mechanism according to an embodiment of the present utility model;
fig. 2 is a front view of a large-scale industrial fan pulley drawing mechanism according to an embodiment of the present utility model.
Reference numerals illustrate:
10. a belt pulley; 11. a journal;
1. a pulley support mechanism; 2. preparing a cap nut;
101. a cylindrical iron block; 102. a channel steel bottom plate; 103. a threaded rod; 104. a bottom plate connecting bolt; 105. and a nut cushion block.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
See fig. 1-2;
The embodiment discloses large-scale industrial fan belt pulley drawing mechanism, drawing mechanism includes:
A pulley support mechanism 1, one end of the pulley support mechanism 1 is connected with the pulley 10, and the other end of the pulley support mechanism 1 extends to the front side of the pulley 10 along the axial direction of the pulley 10; and
And the stretching mechanism is arranged at one end, far away from the belt pulley 10, of the belt pulley supporting mechanism 1, and the stretching mechanism applies a drawing force to the belt pulley 10 through a threaded rod 103 of the belt pulley supporting mechanism 1.
Specifically, the embodiment discloses a drawing mechanism suitable for disassembling a belt pulley of a large-scale industrial fan, which is divided into a belt pulley supporting mechanism 1 and a drawing mechanism. The pulley support mechanism 1 is respectively abutted against the shaft neck 11 of the pulley 10 and connected with the pulley 10, so that the pulley 10 can move along the axial direction of the pulley 10 when being subjected to static stretching action of the stretching mechanism. This embodiment integrates a stretching mechanism on the pulley support mechanism 1 that acts on the threaded rod 103 to provide a static stretching force, i.e. a pulling force, for the detachment of the pulley 10.
Preferably, the pulley support mechanism 1 of the present embodiment includes:
A cylindrical iron block 101 abutting the journal 11 of the pulley 10;
A base plate assembly at the end of cylindrical iron 101 remote from pulley 10; and
Threaded rod 103 passing through the base plate assembly and connected to a corresponding threaded bore of pulley 10;
The number of threaded rods 103 is two, and one end of threaded rod 103 away from pulley 10 passes through the bottom plate assembly to extend to the front side of pulley 10;
the stretching mechanism is connected to the portion of the threaded rod 103 extending to the front side of the floor assembly.
Wherein, the bottom plate subassembly of this embodiment includes:
The two channel steel bottom plates 102 are symmetrically arranged and separated from each other, and the bottom plates of the two channel steel bottom plates 102 are oppositely arranged;
the space between the two channel steel bottom plates 102 is the passing space of the threaded rod 103;
the two channel steel bottom plates 102 are connected through a bottom plate connecting bolt 104;
A nut cushion block 105 is arranged at the joint of the threaded rod 103 and the channel steel bottom plates 102, the threaded rod 103 passes through the nut cushion block 105, and the threaded rod 103 is in butt joint with the two channel steel bottom plates 102 through the nut cushion block 105;
One end of the cylindrical iron block 101, which is far away from the belt pulley 10, is abutted against both channel steel bottom plates 102.
First, the present embodiment further defines the composition of the pulley support mechanism, which abuts the journal 11 of the pulley 10 through the cylindrical iron piece 101, and needs to correspond to the axial center of the pulley 10. The other end is provided with two channel steel bottom plates 102, and the distal ends of the columnar iron blocks 101 are abutted against wing plates of the two channel steel bottom plates 102. According to the specification of the belt pulley 10, that is, the size of the self threaded hole of the belt pulley 10, a threaded rod 103 with a proper size is selected, the two threaded rods 103 penetrate through a gap between the two channel steel bottom plates 102, and the two channel steel bottom plates 102 are fastened through the bottom plate connecting bolts 104, so that the threaded rod 103 and the channel steel bottom plates 102 are fixed.
Subsequently, a pulling force is applied to the pulley 10 by a pulling mechanism located at the forefront end of the threaded rod 103 to effect detachment of the pulley 10.
The nut spacer blocks 105 of the present embodiment all need to be selected to have a proper size according to the selected specification of the threaded rod 103.
Preferably, the stretching mechanism of the present embodiment is configured as a back-up nut 2 that is screwed to the threaded rod 103. The stretching mechanism of the present embodiment adopts the backup cap nut 2 screwed on the threaded rod 103, the backup cap nut 2 is screwed with the threaded rod 103 and acts on the nut cushion block 105 and the channel steel bottom plate 102, and the static stretching force can be applied to the belt pulley 10 by rotating the backup cap nut 2, so that the belt pulley 10 is detached.
As an extended embodiment, according to practical situations, the cylindrical iron block 101 of the present embodiment may be replaced by a hydraulic jack, and the pulley 10 may be disassembled by using a torque force that also replaces a manual rotation nut with a pressure force.
In the technical scheme, the large-scale industrial fan belt pulley drawing mechanism provided by the utility model has the following beneficial effects:
The drawing mechanism of the utility model is abutted with the shaft neck 11 of the belt pulley 10 and connected with the belt pulley 10 through the belt pulley supporting mechanism 1, and the drawing force is applied to the belt pulley 10 through the threaded rod 103 by utilizing the remote drawing mechanism, so that the belt pulley 10 is disassembled in a static drawing mode, the whole structure is simple, the utility model can adapt to the disassembling work of the belt pulleys 10 with different inner diameters and bolt hole pitches, realizes quick disassembly, and saves time for equipment maintenance.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (3)
1. A large industrial fan pulley drawing mechanism, characterized in that the drawing mechanism comprises:
a pulley supporting mechanism (1), wherein one end of the pulley supporting mechanism (1) is connected with a pulley (10), and the other end of the pulley supporting mechanism (1) extends to the front side of the pulley (10) along the axial direction of the pulley (10); and
The stretching mechanism is arranged at one end, far away from the belt pulley (10), of the belt pulley supporting mechanism (1), and the stretching mechanism applies a drawing force to the belt pulley (10) through a threaded rod (103) of the belt pulley supporting mechanism (1);
the pulley support mechanism (1) includes:
A cylindrical iron piece (101) that abuts the journal (11) of the pulley (10);
a base plate assembly at the end of the cylindrical iron block (101) remote from the end of the pulley (10); and
A threaded rod (103) passing through the bottom plate assembly and connected with a corresponding threaded hole of the pulley (10);
The number of the threaded rods (103) is two, and one end of the threaded rods (103) far away from the belt pulley (10) passes through the bottom plate assembly to extend to the front side of the belt pulley (10);
the stretching mechanism is connected to a portion of the threaded rod (103) extending to the front side of the base plate assembly.
2. The large industrial fan pulley pulling mechanism of claim 1, wherein the base plate assembly comprises:
The two channel steel bottom plates (102) are symmetrically arranged and separated from each other, and the bottom plates of the two channel steel bottom plates (102) are oppositely arranged;
The space between the two channel steel bottom plates (102) is the passing space of the threaded rod (103);
the two channel steel bottom plates (102) are connected through a bottom plate connecting bolt (104);
A nut cushion block (105) is arranged at the joint of the threaded rod (103) and the channel steel bottom plate (102), the threaded rod (103) penetrates through the nut cushion blocks (105), and the threaded rod (103) is in butt joint with the two channel steel bottom plates (102) through the nut cushion blocks (105);
One end, far away from the belt pulley (10), of the cylinder iron block (101) is abutted against two channel steel bottom plates (102).
3. A large industrial fan pulley drawing mechanism according to claim 2, characterized in that the drawing mechanism is configured as a back-up nut (2) screwed to the threaded rod (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322478674.XU CN220972212U (en) | 2023-09-12 | 2023-09-12 | Large-scale industrial fan belt pulley drawing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322478674.XU CN220972212U (en) | 2023-09-12 | 2023-09-12 | Large-scale industrial fan belt pulley drawing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220972212U true CN220972212U (en) | 2024-05-17 |
Family
ID=91066429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322478674.XU Active CN220972212U (en) | 2023-09-12 | 2023-09-12 | Large-scale industrial fan belt pulley drawing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220972212U (en) |
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2023
- 2023-09-12 CN CN202322478674.XU patent/CN220972212U/en active Active
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