CN211439775U - Belt pulley dismounting device - Google Patents
Belt pulley dismounting device Download PDFInfo
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- CN211439775U CN211439775U CN201921879072.2U CN201921879072U CN211439775U CN 211439775 U CN211439775 U CN 211439775U CN 201921879072 U CN201921879072 U CN 201921879072U CN 211439775 U CN211439775 U CN 211439775U
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- wrapping sheet
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Abstract
The utility model provides a belt pulley dismounting device relates to equipment dismouting technical field. The device comprises at least 2 packing wheel sheets, at least 2 adjusting ear plates, at least 1 connecting piece, at least 1 jackscrew and at least 1 supporting piece. Wherein: make 2 package wheel pieces parcel and compress tightly the belt pulley through connecting piece and 2 at least adjustment otic placodes, the support frame is arranged in first supporting hole and second supporting hole, and the jackscrew passes the screw through-hole top of jackscrew on the axle that the belt pulley was installed. Adopt the belt pulley dismounting device that this application embodiment provided when dismantling the belt pulley, because the belt trough portion atress of belt pulley is more even, can protect the belt trough not damaged when dismantling the belt pulley.
Description
Technical Field
The embodiment of the application relates to the technical field of equipment disassembly and assembly, in particular to a belt pulley disassembling device.
Background
In using equipment containing pulleys, it is sometimes necessary to replace the pulleys.
In the related art, taking a pulley of a motor as an example, since the pulley and a motor shaft are in an interference fit, it is difficult to directly detach the pulley from the motor shaft, and a screw of a gland on the pulley is detached, and a belt groove portion of the pulley is repeatedly knocked by a hammer or other objects, so that the pulley is slightly moved out of the motor shaft.
In the above-described related art, the belt grooves are easily damaged due to the necessity of striking the belt groove portions of the pulleys multiple times.
SUMMERY OF THE UTILITY MODEL
The application provides a belt pulley dismounting device, the device includes: at least 2 packing wheel sheets, at least 2 adjusting lug plates, at least 1 connecting piece, at least 1 jackscrew and at least 1 supporting piece; wherein the content of the first and second substances,
the at least 2 wheel wrapping sheets comprise a first wheel wrapping sheet and a second wheel wrapping sheet, and the at least 2 adjusting ear plates comprise a first adjusting ear plate and a second adjusting ear plate;
the first end of the first wheel wrapping sheet is provided with the first adjusting lug plate, and the first end of the second wheel wrapping sheet is provided with the second adjusting lug plate;
the first end of the first wheel wrapping sheet and the first end of the second wheel wrapping sheet are coupled through the first adjusting lug plate and the second adjusting lug plate, and the second end of the first wheel wrapping sheet and the second end of the second wheel wrapping sheet are coupled through the connecting piece to form a cylindrical cavity;
a first supporting hole is formed in the first area of the first wheel wrapping sheet, a second supporting hole is formed in the first area of the second wheel wrapping sheet, and the supporting piece is connected to the first supporting hole and the second supporting hole in a penetrating mode;
the supporting piece is provided with a threaded through hole, and the jackscrew penetrates through the threaded through hole and is connected with the supporting piece in an adjustable mode.
Optionally, the first sheave plate and the second sheave plate form a rotatable connection therebetween through the connecting member.
Optionally, the connector comprises a hinge.
Optionally, a first adjusting hole is formed on the first adjusting lug plate, and a second adjusting hole is formed on the second adjusting lug plate;
the first adjusting lug plate and the second adjusting lug plate are connected with the first adjusting hole and the second adjusting hole in a penetrating mode through screws in a coupling mode.
Optionally, the device further comprises a gasket, wherein a trapezoidal groove is formed on the gasket;
the spacer is placed between the first wheel wrapping sheet and the second wheel wrapping sheet.
Optionally, the gasket is a flexible gasket.
Optionally, the device further comprises a fixing frame and a fixing rod; wherein the content of the first and second substances,
the fixing frame is fixedly connected to the second area of the first wheel wrapping sheet and/or the second wheel wrapping sheet, fixing holes are formed in the fixing frame, and the fixing rods penetrate between the fixing holes.
Optionally, the jackscrew comprises a first portion, a second portion and a third portion, the second portion being located between the first portion and the third portion; the first part is a polygonal column, the second part is a cylinder, and the third part is a cone.
Optionally, the surface of the second portion is formed with external threads.
Optionally, the support is a cuboid.
The beneficial effects of the utility model can include:
make 2 package wheel pieces parcel and compress tightly the belt pulley through connecting piece and 2 at least adjustment otic placodes, the support frame is arranged in first supporting hole and second supporting hole, and the jackscrew passes the screw through-hole top of jackscrew on the axle that the belt pulley was installed. Make the parallel outward movement of belt pulley atress through rotating the jackscrew to conveniently pull down the belt pulley laborsavingly, and because the belt groove portion atress of belt pulley is more even, can protect the belt groove not damaged when dismantling the belt pulley.
Drawings
FIG. 1 is a schematic structural view of a pulley dismounting device provided in an exemplary embodiment of the present application;
FIG. 2 is a schematic illustration of a connection of a support member and a jackscrew provided in an exemplary embodiment of the present application;
FIG. 3 is a schematic structural view of a jackscrew provided in an exemplary embodiment of the present application;
FIG. 4 is a schematic diagram of a gasket according to an exemplary embodiment of the present application;
FIG. 5 is a side view of a first region of a first wheel wrapping sheet provided in accordance with an exemplary embodiment of the present application;
fig. 6 is a schematic structural diagram of a gasket according to an exemplary embodiment of the present application.
Illustration of the drawings:
1. first wheel wrapping sheet 11 and first adjusting lug plate
12. First adjusting hole 13 and first supporting hole
2. Second wheel wrapping sheet 21 and second adjusting lug plate
22. Second adjusting hole 23 and second supporting hole
3. Screw 4 and connecting piece
5. Support member 6, jackscrew
61. First part 62, second part
63. Third part 7, mount
8. Fixing rod 9 and gasket
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of methods consistent with aspects of the present application, as detailed in the appended claims.
Fig. 1 is a schematic structural diagram of a pulley dismounting device provided in an exemplary embodiment of the present application, and fig. 2 is a schematic connection diagram of a support member and a jackscrew provided in an exemplary embodiment of the present application. As shown in fig. 1 and 2, the apparatus may include: at least 2 impeller plates, at least 2 adjusting ear plates, at least 1 connecting piece 4, at least one jackscrew 6 and at least one supporting piece 5. Wherein:
the at least 2 wheel wrapping sheets comprise a first wheel wrapping sheet 1 and a second wheel wrapping sheet 2, and the at least 2 adjusting ear plates comprise a first adjusting ear plate 11 and a second adjusting ear plate 21.
The first end of the first wheel wrapping sheet 1 is provided with a first adjusting lug plate 11, and the first end of the second wheel wrapping sheet 2 is provided with a second adjusting lug plate 21.
The first end of the first wheel wrapping sheet 1 and the first end of the second wheel wrapping sheet 2 are coupled through the first adjusting lug plate 11 and the second adjusting lug plate 21, and the second end of the first wheel wrapping sheet 1 and the second end of the second wheel wrapping sheet 2 are coupled through the connecting piece 4 to form a cylindrical cavity.
Optionally, the first and second idler pieces are coupled to form a hollow cylinder. The hollow cylinder can be a hollow cylinder, and the inner cavity of the hollow cylinder is a cylindrical cavity; or a hollow polygonal prism, and when the hollow cylinder is a hollow polygonal prism, the inner cavity of the hollow polygonal prism is also a cylindrical cavity.
Optionally, the material of the first sheave plate 1 and/or the second sheave plate may be steel, may also be cast iron, and may also be other materials, which is not limited in this application embodiment.
It should be noted that the materials of the first sheave piece 1 and the second sheave piece 2 may be the same or different, and this is not limited in this application.
The first adjusting ear plate 11 is formed with a first adjusting hole 12, the second adjusting ear plate 21 is formed with a second adjusting hole 22, and the first adjusting ear plate 11 and the second adjusting ear plate 21 are coupled with the first adjusting hole 12 and the second adjusting hole 22 through a screw rod 3.
Optionally, the first adjusting hole 12 corresponds to the second adjusting hole 22, so that the screw rod 3 can penetrate through the first adjusting hole 12 and the second adjusting hole 22, thereby coupling the first adjusting ear plate 11 and the second adjusting ear plate 21.
Optionally, the first adjusting lug plate 11 and the second adjusting lug plate 21 may be provided with a plurality of pairs of adjusting holes, and correspondingly, the device may include a plurality of screws 3, and the plurality of screws 3 respectively penetrate through the plurality of pairs of adjusting holes, so as to enhance the coupling strength between the first adjusting lug plate 11 and the second adjusting lug plate 12.
Optionally, the length of the first adjusting lug plate 11 is equal to the length of the first end of the first wheel wrapping sheet 1, so that the first adjusting lug plate 11 can be conveniently machined and formed.
Optionally, the length of the second adjusting lug plate 21 is equal to the length of the first end of the second wrapping wheel plate 2, so that the second adjusting lug plate 21 can be conveniently machined and formed.
Optionally, the material of the first adjustment lug plate 11 and/or the second adjustment lug plate 21 may be steel, cast iron, or other materials, which is not limited in this embodiment of the present application.
It should be noted that the materials of the first adjusting lug plate 11 and the second adjusting lug plate 21 may be the same or different, and this is not limited in the embodiments of the present application.
Optionally, the first adjusting lug plate 11 and the first sheave piece 1 and/or the second adjusting lug plate 21 and the second sheave piece 2 may be formed by casting, forging, turning, milling, grinding, or welding, which is not limited in this embodiment of the present disclosure.
It should be noted that the first adjusting lug plate 11 and the second adjusting lug plate 21 may be formed in the same manner or in different manners, and this is not limited in the embodiments of the present application.
Optionally, the first adjusting ear plate 11 and/or the second adjusting ear plate 21 may be a rectangular parallelepiped, a cube, or a semi-cylinder, which is not limited in this embodiment of the present application.
It should be noted that the shapes of the first adjusting plate 11 and the second adjusting plate 12 may be the same or different, and this is not limited in this embodiment of the present application.
Optionally, the first wheel wrapping sheet 1 and the second wheel wrapping sheet 2 are rotatably connected through the connecting piece 4, so that the opening and closing operation between the first wheel wrapping sheet 1 and the second wheel wrapping sheet 2 is facilitated.
Optionally, the connecting piece 4 and the first sheave plate 1 and/or the connecting piece 4 and the second sheave plate 2 may be connected by threads, may also be fixed by welding, and may also be fixed by riveting, which is not limited in this application.
Optionally, the connecting element 4 comprises a hinge, so that a rotatable connection is formed between the first wheel wrapping sheet 1 and the second wheel wrapping sheet 2, and the opening and closing operation between the first wheel wrapping sheet 1 and the second wheel wrapping sheet 2 is facilitated.
Optionally, the hinge and the first and second wheel wrapping sheets 1 and 2 can be connected through threads, so that the hinge can be conveniently detached and replaced.
Optionally, a plurality of pairs of hinges can be arranged between the first wheel wrapping sheet 1 and the second wheel wrapping sheet 2, so that the first wheel wrapping sheet 1 and the second wheel wrapping sheet 2 can be rotatably connected at multiple positions, and the connecting strength between the first wheel wrapping sheet 1 and the second wheel wrapping sheet 2 can be improved.
A first supporting hole 13 is formed in the first region of the first wheel wrapping sheet 1, a second supporting hole 23 is formed in the first region of the second wheel wrapping sheet 2, and the supporting member 5 penetrates through the first supporting hole 13 and the second supporting hole 23.
Optionally, the first region of the first wheel wrapping sheet 1 is an outer wall region close to a bottom plane of the first wheel wrapping sheet 1, and the bottom plane of the first wheel wrapping sheet 1 is a plane perpendicular to a central axis of a cylindrical cavity formed by coupling the 2 wheel wrapping sheets; the first region of second over-wheel piece 2 is the outer wall region of the bottom plane that is close to second over-wheel piece 2, and the bottom plane of second over-wheel piece 2 is the plane of the axis of the cylindrical cavity that 2 over-wheel pieces coupling formed of perpendicular to.
Fig. 3 is a schematic cross-sectional view of a pulley dismounting device according to an embodiment of the present application. In some possible embodiments, the device may include 4 paddlewheel blades, 4 adjustment ear plates, and 2 attachment members 4, as shown in fig. 3. Wherein, adjacent ones of the 4 wrapping wheel pieces can be coupled with each other by adjusting the ear plates or the connecting pieces 4 to form a cylindrical cavity.
Optionally, the first supporting hole 13 and the second supporting hole 23 are symmetrical about a central axis of a cylindrical cavity formed by coupling 2 wrapping wheel sheets, so that the positions of the first supporting hole 13 and the second supporting hole 23 correspond to each other, the supporting piece can conveniently penetrate through the first supporting hole 13 and the second supporting hole 23, and in the using process, the stress borne by the device can be distributed symmetrically as much as possible, so that the reliability of the device is improved, and the service life of the device is prolonged.
Optionally, the support member 5 is a rectangular parallelepiped, which facilitates the machining and molding of the support member 2 and reduces the machining cost of the support member 2.
Optionally, the first supporting hole 13 and/or the second supporting hole 23 are rectangular solids, and the first supporting hole 13 and/or the second supporting hole 23 are adapted to the supporting member 5, so that the supporting member 5 is not easy to rotate in the using process.
Optionally, the first support hole 13 and/or the second support hole 23 are through holes.
Optionally, the first support hole 13 and/or the second support hole 23 may be formed by milling or stamping, which is not limited in this embodiment of the present application.
The supporting piece 5 is provided with a threaded through hole, and the jackscrew 6 penetrates through the threaded through hole to be connected with the supporting piece 5 in an adjustable mode.
Fig. 4 is a schematic structural diagram of a jackscrew provided in an exemplary embodiment of the present application. As shown in fig. 4, optionally, the jackscrew 6 includes a first portion 61, a second portion 62, and a third portion 63, with the second portion 62 being located between the first portion 61 and the third portion 63. The first portion 61 is a polygonal column, the second portion 62 is a cylinder, and the third portion 63 is a cone. The tool can apply torque to the first part 61 conveniently, and the third part 63 is arranged so that the jackscrew 6 is not easy to fall off from the motor shaft.
Alternatively, the surface of the second portion 62 is formed with an external thread, and the threaded through-hole on the support 5 is provided with an internal thread that is adapted to the external thread on the second portion 62, so that the jackscrew 6 and the support 5 can be screwed and screw-driven.
Alternatively, the threads on the second portion 62 are drive threads, which may be rectangular threads, trapezoidal threads, saw-tooth threads, or other drive threads, and which are sufficiently strong to not collapse easily.
Fig. 5 is a side view of a first section of a first wheel wrapping sheet provided in an exemplary embodiment of the present application, and the side view of the first section of a second wheel wrapping sheet can be seen with reference to fig. 5. With reference to fig. 5, in some possible embodiments, the device may be provided with 4 support holes, and the first region of each wheel wrapping sheet may be provided with 2 support holes to accommodate different lengths of jackscrews; correspondingly, the device can comprise two supporting pieces 5, wherein the two supporting pieces 5 are respectively positioned in one supporting hole on the first wheel wrapping sheet 1 and the corresponding supporting hole on the second wheel wrapping sheet 2; threaded through holes are formed in the two supporting pieces 5 respectively, the axes of the two threaded through holes in the two supporting pieces 5 are overlapped, and the jackscrew 6 penetrates through the two threaded through holes respectively and is connected with the two supporting pieces 5 in an adjustable mode.
Optionally, the device further comprises a gasket 9. Fig. 6 is a schematic structural diagram of a gasket according to an exemplary embodiment of the present application. As shown in fig. 6, a trapezoidal groove is formed on the spacer 9, and the spacer 9 is placed between the first sheave plate 1 and the second sheave plate 2 to protect the belt groove portion of the pulley from being damaged.
Optionally, the spacer 9 is a flexible spacer, so that the device can be used to disassemble pulleys of different sizes and better protect the belt grooves.
Optionally, the trapezoidal groove on the washer 9 is adapted to the trapezoidal groove on the pulley, facilitating an increase in the contact area between the washer 9 and the pulley.
Optionally, the material of the gasket 9 may be rubber, or may also be a polyester material, or may also be aramid, which is not limited in this application embodiment.
Optionally, the device further comprises a fixation frame 7 and a fixation rod 8. Wherein, the mount 7 rigid coupling is formed with the fixed orifices in the second region of first wheel wrapping sheet 1 and/or second wheel wrapping sheet 2 on the mount 7, and dead lever 8 cross-under is in between the fixed orifices, when using the device to dismantle the belt pulley, can prevent that device and belt pulley from flying out and hindering the people, improves the operational safety nature of device.
Optionally, the second region of the first wheel wrapping sheet 1 is the other region of the outer wall of the first wheel wrapping sheet 1 except the first region; the second area of the second wheel wrapping sheet 2 is the other area of the outer wall of the first wheel wrapping sheet 2 except the first area.
Optionally, the material of the fixing frame 7 and/or the fixing rod 8 may be steel, cast iron, or other materials, which is not limited in this embodiment of the present application.
In the following, an example of an application of the pulley dismounting device is shown:
when the belt pulley on the motor shaft is disassembled, the gasket 9 is wrapped on the belt pulley, one surface of the gasket 9 with the trapezoidal groove is in contact with the belt pulley, the trapezoidal groove of the gasket 9 is matched with the trapezoidal groove of the belt pulley, and 2 wheel wrapping sheets are wrapped on the gasket 9; the screw 3 penetrates through the first adjusting hole 12 and the second adjusting hole 23, and the screw 3 is screwed, so that the first adjusting plate 11 and the second adjusting plate 21 are coupled, and 2 packing wheel sheets clamp the gasket 9, and large pressure exists between the packing wheel sheets and the gasket 9 and between the gasket 9 and the belt pulley; the fixed rod 8 penetrates through the fixed frame 7 and stands on the motor base; the supporting piece 5 is arranged in the first supporting hole 13 and the second supporting hole 23, the jackscrew 5 penetrates through the threaded through hole of the supporting piece 6 and is in threaded connection with the threaded through hole, after the third part 63 end of the jackscrew 6 penetrates through the supporting piece 5, the third part 63 is propped in the conical groove in the center of the motor shaft, and the first part 61 of the jackscrew 6 is further rotated by a wrench, so that the belt pulley is forced to move outwards in parallel, and the belt pulley is detached from the motor shaft.
To sum up, the utility model discloses in, make 2 package wheel piece parcels and compress tightly the belt pulley through connecting piece 4 and 2 at least adjustment otic placodes, first support hole 13 and second support hole 23 are arranged in to support frame 7, and jackscrew 6 passes jackscrew 6's screw through-hole top epaxial at the belt pulley installation. Make the parallel outward movement of belt pulley atress through rotating jackscrew 6 to conveniently pull down the belt pulley laborsavingly, and because the belt groove portion atress of belt pulley is more even, can protect the belt groove not damaged when using the device to dismantle the belt pulley.
The above description is only exemplary of the present application and should not be taken as limiting the present application, and any modifications, equivalents, improvements and the like that are made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. A pulley dismounting device, characterized in that the device comprises: at least 2 packing wheel sheets, at least 2 adjusting lug plates, at least 1 connecting piece, at least 1 jackscrew and at least 1 supporting piece; wherein the content of the first and second substances,
the at least 2 wheel wrapping sheets comprise a first wheel wrapping sheet and a second wheel wrapping sheet, and the at least 2 adjusting ear plates comprise a first adjusting ear plate and a second adjusting ear plate;
the first end of the first wheel wrapping sheet is provided with the first adjusting lug plate, and the first end of the second wheel wrapping sheet is provided with the second adjusting lug plate;
the first end of the first wheel wrapping sheet and the first end of the second wheel wrapping sheet are coupled through the first adjusting lug plate and the second adjusting lug plate, and the second end of the first wheel wrapping sheet and the second end of the second wheel wrapping sheet are coupled through the connecting piece to form a cylindrical cavity;
a first supporting hole is formed in the first area of the first wheel wrapping sheet, a second supporting hole is formed in the first area of the second wheel wrapping sheet, and the supporting piece is connected to the first supporting hole and the second supporting hole in a penetrating mode;
the supporting piece is provided with a threaded through hole, and the jackscrew penetrates through the threaded through hole and is connected with the supporting piece in an adjustable mode.
2. The apparatus of claim 1 wherein the first sheave plate and the second sheave plate form a rotatable connection therebetween via the connecting member.
3. The device of claim 2, wherein the connector comprises a hinge.
4. The device of claim 1, wherein the first adjustment ear plate has a first adjustment hole formed therein, and the second adjustment ear plate has a second adjustment hole formed therein;
the first adjusting lug plate and the second adjusting lug plate are connected with the first adjusting hole and the second adjusting hole in a penetrating mode through screws in a coupling mode.
5. The device of any one of claims 1 to 4, further comprising a spacer having a trapezoidal groove formed therein;
the spacer is placed between the first wheel wrapping sheet and the second wheel wrapping sheet.
6. The device of claim 5, wherein the gasket is a flexible gasket.
7. The device of any one of claims 1 to 4, further comprising a holder and a fixation rod; wherein the content of the first and second substances,
the fixing frame is fixedly connected to the second area of the first wheel wrapping sheet and/or the second wheel wrapping sheet, fixing holes are formed in the fixing frame, and the fixing rods penetrate between the fixing holes.
8. The device of any one of claims 1 to 4, wherein the jackscrew comprises a first portion, a second portion, and a third portion, the second portion being located between the first portion and the third portion; wherein the content of the first and second substances,
the first part is a polygonal prism, the second part is a cylinder, and the third part is a cone.
9. The device of claim 8, wherein a surface of the second portion is formed with external threads.
10. The device of any one of claims 1 to 4, wherein the support is a cuboid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921879072.2U CN211439775U (en) | 2019-11-01 | 2019-11-01 | Belt pulley dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921879072.2U CN211439775U (en) | 2019-11-01 | 2019-11-01 | Belt pulley dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211439775U true CN211439775U (en) | 2020-09-08 |
Family
ID=72306086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921879072.2U Active CN211439775U (en) | 2019-11-01 | 2019-11-01 | Belt pulley dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211439775U (en) |
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2019
- 2019-11-01 CN CN201921879072.2U patent/CN211439775U/en active Active
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