CN210232869U - Large-scale fan wheel supports pressure equipment instrument - Google Patents
Large-scale fan wheel supports pressure equipment instrument Download PDFInfo
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- CN210232869U CN210232869U CN201920993480.4U CN201920993480U CN210232869U CN 210232869 U CN210232869 U CN 210232869U CN 201920993480 U CN201920993480 U CN 201920993480U CN 210232869 U CN210232869 U CN 210232869U
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- impeller
- pressure equipment
- screw rod
- nut
- press
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Abstract
The utility model relates to a large-scale fan impeller supports pressure equipment instrument belongs to mechanical installation instrument field, the utility model discloses replaced traditional bar copper and sledgehammer, exchanged traditional strike installation for pressure equipment, through the bolted connection of the connecting block of being connected with the screw rod to the fan shaft, then through utilizing the handle to rotate the nut, through the nut with the screw rod rotate the screw thread thrust that produces transmit the briquetting and then with the impeller fast light pressure equipment to the fan shaft; meanwhile, the impeller is positioned through the supporting block, the position of the hole and the position of the shaft can be conveniently aligned, and the impeller is prevented from falling off to hurt people in installation safely and reliably. The utility model discloses support convenient alignment position, avoid the impeller to drop, impress through screw machine and reduce the impact, guarantee the sound balance of impeller, easy operation, low cost has reduced staff's intensity of labour, reduces cost of maintenance. The cost is low, the labor intensity of workers is reduced, and the maintenance cost is reduced. The maintenance time is reduced by about half.
Description
Technical Field
The utility model belongs to machinery mounting tool field, specific theory relates to a large-scale fan wheel supports pressure equipment instrument.
Background
In threshing redrying wind send wind branch equipment, the fan is the main equipment that wind sent, wind divided, along with the increase of service life, in long-term work because the working medium contains a large amount of dust, inclusion sand, in long-term wind erode, lead to the impeller to be worn thin, appear the crackle in some weak position. Common faults are: impeller abrasion, sand erosion fan impeller abrasion, cracks, fan vibration aggravation, fan overload tripping and the like. And the fan impeller needs to be repaired and replaced after problems occur. The threshing redrying fan is huge in size, the overall dimension of a single fan reaches 2250 x 800 x 1570 (the length, the width and the height are mm), the diameter of a single impeller is as large as 1020mm, the weight is about 80KG, and in addition, factors such as no conveying lifting lug due to the special shape of the impeller bring great difficulty to installation. The installation position is higher, and the hole axis is adjusted well, key and groove are adjusted well hardly, and the risk that the impeller falls into the spiral case appears slightly carelessly. In addition, the traditional installation is all strikeed with bar copper and sledgehammer, and the impeller deformation then can appear in the hammering too big, and balanced inefficacy can aggravate vibrations when serious, strikes the crooked distortion of axle that causes, causes new impeller installation and debugging to satisfy the maintenance adjustment requirement, influences the even running of fan. The installation is consuming time and energy and can not guarantee the installation accuracy, and staff intensity of labour is big, and the replacement cost is higher.
Disclosure of Invention
In order to overcome the problems in the prior art, the utility model provides a large fan impeller supporting and press-fitting tool, which replaces the traditional copper bar and a sledgehammer, replaces the traditional knocking installation with the press-fitting, is connected to a fan shaft through a bolt of a connecting block connected with a screw rod, then rotates a nut through a handle, and transmits the thread thrust generated by the rotation of the nut and the screw rod to a press block so as to quickly and conveniently press-fit the impeller to the fan shaft; meanwhile, the impeller is positioned through the supporting block, so that the positions of the hole and the shaft can be conveniently aligned, and the impeller is safely and reliably prevented from falling off to hurt people during installation; the utility model discloses easy operation still has, low cost has reduced staff's intensity of labour, reduces cost of maintenance's advantage.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
large-scale fan impeller support pressure equipment instrument include handle 1, pressure equipment sleeve 2, briquetting 3, screw rod 4, connecting bolt 5, nut 7, connecting block 8, pressure equipment sleeve 2 the front portion seted up a through-hole, handle 1 is inserted in this through-hole, pressure equipment sleeve 2's rear end fixedly connected with nut 7, a through-hole has been seted up at the middle part of briquetting 3, briquetting 3 cup joints on screw rod 4 through this through-hole, screw rod 4 and nut 7 threaded connection, connecting block 8 is installed to screw rod 4's front end, is provided with two connecting bolt 5 on the connecting block 8.
Further, the large fan impeller supporting and press-fitting tool further comprises a supporting block 6, and the supporting block 6 is fixed on two sides of the fan volute through screws.
Further, the depth of the press-fitting sleeve 2 is greater than the length of the screw rod 4.
The utility model has the advantages that:
the utility model replaces the traditional copper bar and the sledgehammer, changes the traditional knocking installation into press mounting, is connected to the fan shaft through the bolt of the connecting block connected with the screw rod, then rotates the nut through the handle, and transmits the screw thrust generated by the rotation of the nut and the screw rod to the press block so as to quickly and conveniently press-mount the impeller on the fan shaft; meanwhile, the impeller is positioned through the supporting block, the position of the hole and the position of the shaft can be conveniently aligned, and the impeller is prevented from falling off to hurt people in installation safely and reliably. The utility model discloses support convenient alignment position, avoid the impeller to drop, impress through screw machine and reduce the impact, guarantee the sound balance of impeller, easy operation, low cost has reduced staff's intensity of labour, reduces cost of maintenance. The cost is low, the labor intensity of workers is reduced, and the maintenance cost is reduced. The maintenance time is reduced by about half.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a diagram illustrating an operation state when the impeller is installed in the present invention.
In the figure, 1-handle, 2-press fitting sleeve, 3-press block, 4-screw, 5-connecting bolt, 6-supporting block, 7-nut, 8-connecting block, 9-impeller and 10-fan shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail a preferred embodiment of the present invention with reference to the accompanying drawings to facilitate understanding of the skilled person.
As shown in fig. 1-2, the large fan impeller supporting and press-fitting tool comprises a handle 1, a press-fitting sleeve 2, a press-fitting block 3, a screw rod 4, a connecting bolt 5, a nut 7 and a connecting block 8, wherein a through hole is formed in the front part of the press-fitting sleeve 2, the handle 1 is inserted into the through hole, the nut 7 is fixedly connected to the rear end of the press-fitting sleeve 2, a through hole is formed in the middle part of the press-fitting block 3, the press-fitting block 3 is sleeved on the screw rod 4 through the through hole, the screw rod 4 is in threaded connection with the nut 7, the connecting block 8 is installed at the front end of the screw rod 4, two connecting bolts 5 are arranged on the connecting block.
The handle 1 is made of round steel, and the press-fitting torque is increased by matching the handle 1 with the press-fitting sleeve 2; the press-fitting sleeve 2 is connected with the nut 7 to form a whole and then is matched with the screw rod 4, thrust is formed by rotating threads and is applied to the pressing block 3, and the impeller 9 is pressed into the fan shaft 10 through the pressing block 3; the pressing block 3 is made of high-strength tool steel and can bear large thread force to press the impeller 9; the connecting bolt 5 arranged on the connecting block 8 connected with the screw rod 4 is connected with the fan shaft 10, and the impeller 9 is pressed on the fan shaft 10 from the screw rod 4 under the action of the pressing block 3, so that the traditional copper bar and the sledgehammer are replaced, and the traditional knocking installation is replaced by pressing.
The large fan impeller supporting and press-fitting tool further comprises a supporting block 6, the supporting block 6 is made of high-strength tool steel, the supporting block 6 is fixed on two sides of the fan volute and fixed through screws, supporting of the impeller 9 is achieved, and hole axes of the impeller 9 are convenient to align and the key grooves are convenient to guide in.
The depth of the press-fitting sleeve 2 is greater than the length of the screw rod 4, so that the impeller 9 can be completely transited to the fan shaft 10.
The utility model discloses the theory of operation:
the screw rod 4 is fixed on a fan shaft 10 through a connecting bolt 5 on a connecting block 8, then the impeller 9 is installed on the screw rod 4, a supporting block 6 is fixed on two sides of a fan volute through screws, the impeller 9 is supported, then the pressing block 3 is installed on the screw rod 4 on the rear side of the impeller 9, the nut 7 is screwed on the screw rod 4 through the pressing sleeve 2, then the handle 1 is inserted into a through hole formed in the front portion of the pressing sleeve 2, the pressing sleeve 2 is rotated through the handle 1, the pressing sleeve 2 drives the nut 7 to rotate, thrust is formed by rotating the thread of the nut 7 and is applied to the pressing block 3, and the impeller 9 is pressed into the fan shaft 10 through the pressing block 3.
The utility model replaces the traditional copper bar and the sledgehammer, changes the traditional knocking installation into press mounting, is connected to the fan shaft through the bolt of the connecting block connected with the screw rod, then rotates the nut through the handle, and transmits the screw thrust generated by the rotation of the nut and the screw rod to the press block so as to quickly and conveniently press-mount the impeller on the fan shaft; meanwhile, the impeller is positioned through the supporting block, the position of the hole and the position of the shaft can be conveniently aligned, and the impeller is prevented from falling off to hurt people in installation safely and reliably. The utility model discloses support convenient alignment position, avoid the impeller to drop, impress through screw machine and reduce the impact, guarantee the sound balance of impeller, easy operation, low cost has reduced staff's intensity of labour, reduces cost of maintenance. The cost is low, the labor intensity of workers is reduced, and the maintenance cost is reduced. The maintenance time is reduced by about half.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (3)
1. The utility model provides a large-scale fan wheel supports pressure equipment instrument which characterized in that: large-scale fan impeller support pressure equipment instrument include handle (1), pressure equipment sleeve (2), briquetting (3), screw rod (4), connecting bolt (5), nut (7), connecting block (8), pressure equipment sleeve (2) front portion seted up a through-hole, insert in this through-hole handle (1), the rear end fixedly connected with nut (7) of pressure equipment sleeve (2), a through-hole has been seted up at the middle part of briquetting (3), briquetting (3) cup joints on screw rod (4) through this through-hole, screw rod (4) and nut (7) threaded connection, connecting block (8) are installed to the front end of screw rod (4), are provided with two connecting bolt (5) on connecting block (8).
2. The large fan impeller supporting and press-fitting tool according to claim 1, wherein: the large fan impeller supporting and press-fitting tool further comprises supporting blocks (6), and the supporting blocks (6) are fixed on two sides of the fan volute through screws.
3. The large fan impeller supporting and press-fitting tool according to claim 1, wherein: the depth of the press-fitting sleeve (2) is greater than the length of the screw (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920993480.4U CN210232869U (en) | 2019-06-28 | 2019-06-28 | Large-scale fan wheel supports pressure equipment instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920993480.4U CN210232869U (en) | 2019-06-28 | 2019-06-28 | Large-scale fan wheel supports pressure equipment instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210232869U true CN210232869U (en) | 2020-04-03 |
Family
ID=69988880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920993480.4U Active CN210232869U (en) | 2019-06-28 | 2019-06-28 | Large-scale fan wheel supports pressure equipment instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210232869U (en) |
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2019
- 2019-06-28 CN CN201920993480.4U patent/CN210232869U/en active Active
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