CN211639698U

CN211639698U - Auxiliary device

Info

Publication number: CN211639698U
Application number: CN201922138219.9U
Authority: CN
Inventors: 李海军; 黄易; 蒲瑾; 荆辉; 陈辉
Original assignee: Petrochina Co Ltd
Current assignee: Petrochina Co Ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-10-09
Anticipated expiration: 2029-12-03

Abstract

The utility model provides an auxiliary device. Auxiliary device is used for driving the belt pulley and rotates, and auxiliary device includes: the clamping assembly comprises a first clamping structure and a second clamping structure which are arranged oppositely, a clamping space for clamping the belt pulley spare cap is formed between the first clamping structure and the second clamping structure, and the size of the clamping space is adjustable; the handle is connected with the clamping component, and when the clamping component clamps the belt pulley and is equipped with the cap, the clamping component and the belt pulley are driven by the handle to be equipped with the cap and rotate, and then the assembly of belt and belt pulley is realized. The utility model discloses the change of belt among the prior art or the assembly comparatively waste time and energy have been solved effectively, and the problem of incident easily takes place.

Description

Auxiliary device

Technical Field

The utility model relates to a petroleum engineering field particularly, relates to an auxiliary device.

Background

Currently, in the process of assembling a belt and a belt pulley by a worker, the worker is usually required to manually rotate the belt pulley so as to hang the belt on the belt pulley. However, the above-mentioned assembling method increases the labor intensity of workers, resulting in time and labor waste in replacing or assembling the belt. In addition, the staff directly contacts with the belt pulley, and safety accidents easily occur.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an auxiliary device to solve the problems of time and labor waste and accidents easily caused by the replacement or assembly of the belt in the prior art.

In order to achieve the above object, the utility model provides an auxiliary device for drive the belt pulley and rotate, auxiliary device includes: the clamping assembly comprises a first clamping structure and a second clamping structure which are arranged oppositely, a clamping space for clamping the belt pulley spare cap is formed between the first clamping structure and the second clamping structure, and the size of the clamping space is adjustable; the handle is connected with the clamping component, and when the clamping component clamps the belt pulley and is equipped with the cap, the clamping component and the belt pulley are driven by the handle to be equipped with the cap and rotate, and then the assembly of belt and belt pulley is realized.

Further, be provided with first protruding edge on the first clamping structure, be provided with the second protruding edge on the second clamping structure, the centre gripping subassembly still includes: and the fastening structure passes through the first protruding edge and then is arranged on the second protruding edge, so that the size of the clamping space is adjusted through the fastening structure.

Further, the first clamping structure includes: the first clamping section is provided with a first arc-shaped surface, and the first arc-shaped surface and the belt pulley spare cap are coaxially arranged.

Further, the first clamping structure further comprises: the first protruding portion is arranged on the first arc-shaped face and extends along the radial direction of the first arc-shaped face so as to be abutted against the belt pulley preparation cap.

Further, the second clamping structure comprises: the second clamping section is provided with a second arc-shaped surface, and the second arc-shaped surface and the belt pulley spare cap are coaxially arranged.

Further, the second clamping structure further comprises: the second protruding part is arranged on the second arc-shaped surface and extends along the radial direction of the second arc-shaped surface so as to be abutted against the belt pulley preparation cap.

Furthermore, the handle is arranged on the second clamping structure, the auxiliary device further comprises a belt tensioning structure, the belt tensioning structure is arranged on the first clamping structure, and the part of the belt, which is not hung on the belt pulley, is sleeved on the belt tensioning structure so as to rotate the clamping assembly through the handle, so that the belt is hung on the belt pulley.

Further, the belt tensioning structure includes: one end of the first extending part is arranged on the first clamping structure, and the other end of the first extending part extends towards the direction far away from the second clamping structure; and the second extension part is arranged at the other end of the first extension part, and extends along the axial direction of the belt pulley cap to tension the belt.

Further, the first clamping structure has a first mounting groove, and the belt tensioning structure further includes: the locking piece penetrates through the first extension part and then is arranged in the first mounting groove so as to realize the connection of the first extension part and the first clamping structure; wherein, the connecting position of retaining member and first mounting groove is adjustable.

Furthermore, the first extension part is provided with a second mounting groove, the locking part passes through the second mounting groove and then is arranged in the first mounting groove, and the connecting position of the locking part and the second mounting groove is adjustably arranged.

Use the technical scheme of the utility model, in the change or the assembling process of belt, use auxiliary device to drive the belt pulley and rotate. Like this, use first clamping structure and the second clamping structure of centre gripping subassembly to prepare the cap to the belt pulley and carry out the centre gripping to make the centre gripping subassembly can drive the belt pulley and prepare the cap and rotate, and then make the centre gripping subassembly can drive the belt pulley and rotate. After the clamping assembly and the belt pulley cap are assembled, a worker rotates the handle to drive the clamping assembly and the belt pulley to rotate through the handle, and then the belt is hung on the belt pulley.

Compared with the mode that adopts the staff directly to rotate the belt pulley among the prior art, auxiliary device in this application makes the staff to the rotation of belt pulley labour saving and time saving more, and then has solved the change of belt among the prior art or the assembly comparatively wastes time and energy, and easily takes place the problem of incident. Meanwhile, the worker can not be in direct contact with the belt pulley, and the operation safety of the worker is further improved.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic perspective view of an embodiment of an auxiliary device according to the invention; and

fig. 2 shows a schematic perspective view of the auxiliary device of fig. 1 applied to a pulley.

Wherein the figures include the following reference numerals:

10. a clamping assembly; 11. a first clamping structure; 111. a first protruding edge; 112. a first clamping section; 1121. a first arc-shaped surface; 113. a first protrusion; 114. a first mounting groove; 12. a second clamping structure; 121. a second ledge; 122. a second clamping section; 1221. a second arcuate surface; 123. a second protrusion; 13. a clamping space; 14. a fastening structure; 20. a belt pulley; 21. preparing a belt pulley cap; 30. a handle; 40. a belt tensioning arrangement; 41. a first extension portion; 411. a second mounting groove; 42. a second extension portion; 43. and a locking member.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless otherwise specified, the use of directional words such as "upper and lower" is generally in reference to the orientation shown in the drawings, or to the vertical, perpendicular or gravitational orientation; likewise, for ease of understanding and description, "left and right" are generally to the left and right as shown in the drawings; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself, but the above directional terms are not intended to limit the present invention.

In order to solve the problem that the replacement or the assembly of belt among the prior art is comparatively wasted time and energy, and easily takes place the incident, this application provides an auxiliary device.

As shown in fig. 1 and 2, the auxiliary device is used to rotate the pulley 20, and includes a clamping assembly 10 and a handle 30. Wherein, centre gripping subassembly 10 includes relative first clamping structure 11 and the second clamping structure 12 that sets up, forms the centre gripping space 13 that is used for the centre gripping belt pulley outfit 21 between first clamping structure 11 and the second clamping structure 12, and the size of centre gripping space 13 is adjustable. The handle 30 is connected with the clamping component 10, when the clamping component 10 clamps the belt pulley cap 21, the clamping component 10 and the belt pulley cap 21 are driven to rotate by the handle 30, and then the assembly of the belt and the belt pulley 20 is realized.

By applying the technical solution of this embodiment, the belt pulley 20 is driven to rotate by the auxiliary device during the replacement or assembly process of the belt. Like this, use first clamping structure 11 and second clamping structure 12 of centre gripping subassembly 10 to carry out the centre gripping to belt pulley spare cap 21 to make centre gripping subassembly 10 can drive belt pulley spare cap 21 and rotate, and then make centre gripping subassembly 10 can drive belt pulley 20 and rotate. After the clamping assembly 10 and the belt pulley cap 21 are assembled, the worker rotates the handle 30 to drive the clamping assembly 10 and the belt pulley 20 to rotate through the handle 30, and then the belt is hung on the belt pulley 20.

Compare with the mode that adopts the staff directly to rotate the belt pulley among the prior art, auxiliary device in this embodiment makes the staff to belt pulley 20's rotation labour saving and time saving more, and then has solved the change of belt among the prior art or the assembly comparatively wastes time and energy, and easily takes place the problem of incident. Meanwhile, the worker can not be in direct contact with the belt pulley, and the operation safety of the worker is further improved.

In this embodiment, the handle 30 is removably connected to the clamp assembly 10. Thus, the auxiliary device is more portable and convenient to transfer due to the arrangement.

As shown in fig. 1, the first clamping structure 11 is provided with a first protruding edge 111, the second clamping structure 12 is provided with a second protruding edge 121, and the clamping assembly 10 further includes a fastening structure 14. Wherein the fastening structure 14 is disposed on the second protrusion edge 121 after passing through the first protrusion edge 111, so as to adjust the size of the clamping space 13 through the fastening structure 14. Thus, the size of the clamping space 13 is adjusted more easily and conveniently by the arrangement, and the labor intensity of workers is reduced. Meanwhile, the structure is simple, the processing and the realization are easy, and the processing cost of the auxiliary device is reduced.

Specifically, after the first clamping structure 11 and the second clamping structure 12 are butted and form the clamping space 13 around, the worker sets the fastening structure 14 on the second flange 121 after passing through the first flange 111 to assemble the first clamping structure 11 and the second clamping structure 12 together. When the size of the clamping space 13 needs to be adjusted, the fastening structure 14 is loosened or tightened to adjust the relative position between the first clamping structure 11 and the second clamping structure 12.

As shown in fig. 1, the first clamp structure 11 includes a first clamp section 112. The first protruding edge 111 is disposed at one end of the first clamping section 112, the first clamping section 112 has a first arc surface 1121, and the first arc surface 1121 is disposed coaxially with the pulley cap 21. Thus, the above arrangement of the first arc-shaped surface 1121 can increase the contact area between the first clamping section 112 and the pulley cap 21, and further increase the clamping force of the first clamping structure 11 on the pulley cap 21, thereby avoiding the mutual separation of the two to affect the clamping effect of the clamping assembly 10.

Specifically, the clamping assembly 10 further includes a screw rod, the first end of the screw rod is inserted into the other end of the first clamping section 112, the second end of the screw rod is inserted into the second clamping section 122, and then the two ends of the first clamping structure 11 and the second clamping structure 12 are connected, so as to improve the connection stability of the two, and improve the clamping reliability of the clamping assembly 10.

In other embodiments not shown in the drawings, the first protruding edges are two, and the two first protruding edges are respectively arranged at two ends of the first clamping section. Specifically, the fastening structures are two, the two fastening structures and the two first protruding edges are arranged in a one-to-one correspondence mode, and each fastening structure penetrates through the corresponding first protruding edge and then is arranged in the second protruding edge, so that the situation that the first clamping structure and the second clamping structure are separated from each other to influence the normal use of the clamping assembly is avoided.

As shown in fig. 1, the first clamp structure 11 further includes a first protrusion 113. Wherein, the first protrusion 113 is disposed on the first arc surface 1121, and the first protrusion 113 extends along the radial direction of the first arc surface 1121 to abut against the pulley cap 21. Like this, treat that first clamping structure 11 and second clamping structure 12 are equipped with cap 21 to the belt pulley and press from both sides tightly the back, then cap 21 is equipped with to the belt pulley can not take place axial displacement for centre gripping subassembly 10, first protruding portion 113 is equipped with cap 21 butt with the belt pulley to avoid cap 21 is equipped with to the belt pulley to take place circumferential direction for centre gripping subassembly 10, and then realized centre gripping subassembly 10 and the cooperation of splining of cap 21 is equipped with to the belt pulley, then centre gripping subassembly 10 can drive the cap 21 is equipped with to the belt pulley and rotate together.

In the present embodiment, the first protrusion 113 is one. Thus, the arrangement enables the first clamping structure 11 to be simple in structure, easy to machine and implement, and reduces the machining cost of the first clamping structure 11.

The number of the first protruding portions 113 is not limited to this. Alternatively, the first protrusion 113 is multiple, and the multiple first protrusions 113 are arranged at intervals along the circumferential direction of the first arc-shaped surface 1121. Thus, the above arrangement further prevents the pulley cap 21 from rotating circumferentially relative to the clamp assembly 10, and improves the reliability of the rotation stop of the first projecting portion 113.

As shown in fig. 1, the second clamp structure 12 includes a second clamp segment 122. The second protrusion edge 121 is disposed at one end of the second clamping section 122, the second clamping section 122 has a second arc-shaped surface 1221, and the second arc-shaped surface 1221 is disposed coaxially with the pulley cap 21. Like this, the above-mentioned setting of second arcwall face 1221 can increase the area of contact between second centre gripping section 122 and the belt pulley is equipped with cap 21, and then has increased the clamping-force that second clamping structure 12 was equipped with cap 21 to the belt pulley, avoids the two to take place to break away from each other and influence the clamping effect of centre gripping subassembly 10.

In other embodiments not shown in the drawings, the number of the second protruding edges is two, and the two second protruding edges are respectively arranged at two ends of the second clamping section. Specifically, the fastening structures are two, the two fastening structures and the two second protruding edges are arranged in a one-to-one correspondence mode, and each fastening structure penetrates through the corresponding second protruding edge and then is arranged in the corresponding second protruding edge, so that the situation that the first clamping structure and the second clamping structure are separated from each other to influence the normal use of the clamping assembly is avoided.

As shown in fig. 1, the second clamp structure 12 further includes a second tab 123. Wherein the second protruding portion 123 is disposed on the second arc-shaped face 1221, and the second protruding portion 123 extends along the radial direction of the second arc-shaped face 1221 to abut against the pulley cap 21. Like this, treat that first clamping structure 11 and second clamping structure 12 are equipped with the cap 21 to the belt pulley and press from both sides tightly the back, then the cap 21 is equipped with to the belt pulley can not take place axial displacement for centre gripping subassembly 10, and second protruding portion 123 is equipped with the cap 21 butt with the belt pulley to avoid the belt pulley to be equipped with the cap 21 and take place circumferential direction for centre gripping subassembly 10, and then realized centre gripping subassembly 10 and the locking cooperation that the cap 21 was equipped with to the belt pulley, then centre gripping subassembly 10 can drive the cap 21 is equipped with to the belt pulley and rotate together.

In the present embodiment, the second protrusion 123 is one. Thus, the arrangement enables the second clamping structure 12 to be simple in structure, easy to machine and implement, and reduces the machining cost of the second clamping structure 12.

The number of the second protrusions 123 is not limited to this. Alternatively, the second protruding portion 123 is plural, and the plural second protruding portions 123 are provided at intervals along the circumferential direction of the second arc-shaped face 1221. Thus, the above arrangement further prevents the pulley cap 21 from rotating circumferentially relative to the clamp assembly 10, and improves the reliability of the rotation stop of the second projecting portion 123.

As shown in fig. 1 and 2, the handle 30 is disposed on the second clamping structure 12, and the auxiliary device further includes a belt tensioning structure 40, the belt tensioning structure 40 is disposed on the first clamping structure 11, and a portion of the belt not hooked on the pulley 20 is sleeved on the belt tensioning structure 40, so that the handle 30 rotates the clamping assembly 10 to hook the portion of the belt on the pulley 20. Thus, in the process that the operator operates the handle 30 to rotate the clamping assembly 10 and the pulley 20, the belt tensioning structure 40 rotates the part of the belt not hooked on the pulley 20 together to hook the part of the belt on the pulley 20, thereby realizing the assembly of the belt and the pulley 20.

Specifically, after the belt is hung on the belt pulley 20 (cannot be hung completely), the belt hung on the belt pulley 20 is located in the first groove of the belt pulley, and the belt not hung on the belt pulley 20 is sleeved on the belt tensioning structure 40. Thereafter, handle 30 is mounted on second clamping structure 12, and clamping assembly 10 and pulley 20 are rotated by handle 30 such that the belt, which is disposed around belt tensioning structure 40, hangs naturally on pulley 20.

As shown in fig. 1, the belt tensioning structure 40 includes a first extension 41 and a second extension 42. One end of the first extending portion 41 is disposed on the first clamping structure 11, and the other end of the first extending portion 41 extends away from the second clamping structure 12. Second extension 42 is provided at the other end of first extension 41, and second extension 42 extends in the axial direction of pulley cap 21 to tension the belt. Thus, the structure is simple, easy to process and realize, and the processing cost of the belt tensioning structure 40 is reduced.

Specifically, the second extension 42 is spaced a predetermined distance from the first clamp structure 11 to achieve tensioning of the belt by the second extension 42. Wherein, the preset distance can be adjusted according to the tightness degree of the belt.

As shown in fig. 1, the first clamping structure 11 has a first mounting groove 114, and the belt-tightening structure 40 further includes a locking member 43. Wherein, the locking member 43 is disposed in the first mounting groove 114 after passing through the first extending portion 41, so as to connect the first extending portion 41 and the first clamping structure 11. Wherein, the connection position of the locking member 43 and the first mounting groove 114 is adjustable. Thus, the arrangement enables the installation of the first extending portion 41 and the first clamping structure 11 to be adjusted according to actual working conditions, and improves the flexibility of the belt tensioning structure 40.

Optionally, the extending direction of the first mounting groove 114 is disposed coaxially with the first arc surface 1121.

As shown in fig. 1, the first extension 41 has a second mounting groove 411, the locking member 43 is disposed in the first mounting groove 114 after passing through the second mounting groove 411, and a connection position of the locking member 43 and the second mounting groove 411 is adjustably disposed. Thus, the distance between the second extending portion 42 and the first clamping structure 11 can be adjusted by the arrangement, so that the belt tensioning structure 40 can tension belts with different tightness degrees, and the use reliability of the belt tensioning structure 40 is improved.

As shown in fig. 1, the handle 30 includes a first shaft segment, a second shaft segment and a third shaft segment, which are sequentially bent, the first shaft segment is connected with the first clamping structure 11 or the second clamping structure 12, and the first shaft segment and the third shaft segment are respectively located at two sides of the second shaft segment. Specifically, the operator holds the third shaft segment to operate the handle 30, so as to increase the torque of the handle 30 acting on the second clamping structure 12, and the operator can rotate the clamping assembly 10 and the belt pulley 20 more easily.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

in the process of replacing or assembling the belt, the auxiliary device is used for driving the belt pulley to rotate. Like this, use first clamping structure and the second clamping structure of centre gripping subassembly to prepare the cap to the belt pulley and carry out the centre gripping to make the centre gripping subassembly can drive the belt pulley and prepare the cap and rotate, and then make the centre gripping subassembly can drive the belt pulley and rotate. After the clamping assembly and the belt pulley cap are assembled, a worker rotates the handle to drive the clamping assembly and the belt pulley to rotate through the handle, and then the belt is hung on the belt pulley.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An accessory device for rotating a pulley (20), the accessory device comprising:

the clamping assembly (10) comprises a first clamping structure (11) and a second clamping structure (12) which are arranged oppositely, a clamping space (13) for clamping the belt pulley spare cap (21) is formed between the first clamping structure (11) and the second clamping structure (12), and the size of the clamping space (13) is adjustable;

handle (30), with centre gripping subassembly (10) are connected, work as centre gripping subassembly (10) centre gripping during belt pulley is equipped with cap (21), in order to pass through handle (30) drive centre gripping subassembly (10) with belt pulley is equipped with cap (21) and rotates, and then realize the belt with the assembly of belt pulley (20).

2. Auxiliary device according to claim 1, wherein said first gripping structure (11) is provided with a first ledge (111) and said second gripping structure (12) is provided with a second ledge (121), said gripping assembly (10) further comprising:

a fastening structure (14), wherein the fastening structure (14) passes through the first protruding edge (111) and then is arranged on the second protruding edge (121) so as to adjust the size of the clamping space (13) through the fastening structure (14).

3. Auxiliary device according to claim 2, characterized in that said first clamping structure (11) comprises:

the first clamping section (112), the first protruding edge (111) is arranged at one end or two ends of the first clamping section (112), the first clamping section (112) is provided with a first arc-shaped surface (1121), and the first arc-shaped surface (1121) and the belt pulley spare cap (21) are coaxially arranged.

4. Auxiliary device according to claim 3, characterized in that said first clamping structure (11) further comprises:

a first protrusion (113) provided on the first arc-shaped surface (1121), the first protrusion (113) extending in a radial direction of the first arc-shaped surface (1121) to abut against the pulley cap (21).

5. Auxiliary device according to claim 2, characterized in that said second clamping structure (12) comprises:

the second clamping section (122), the second protruding edge (121) sets up one end or both ends of second clamping section (122), second clamping section (122) have second arcwall face (1221), second arcwall face (1221) with the coaxial setting of belt pulley spare cap (21).

6. Auxiliary device according to claim 5, characterized in that said second clamping structure (12) further comprises:

a second protrusion (123) provided on the second arc-shaped face (1221), the second protrusion (123) extending in a radial direction of the second arc-shaped face (1221) to abut against the pulley cap (21).

7. The accessory device of claim 1, wherein the handle (30) is disposed on the second clamping structure (12), the accessory device further comprising a belt tensioning structure (40), the belt tensioning structure (40) being disposed on the first clamping structure (11), a portion of the belt not hooked on the pulley (20) being fitted over the belt tensioning structure (40) to rotate the clamping assembly (10) via the handle (30) to hook the portion of the belt on the pulley (20).

8. Auxiliary device according to claim 7, characterized in that said belt tensioning structure (40) comprises:

a first extension part (41), wherein one end of the first extension part (41) is arranged on the first clamping structure (11), and the other end of the first extension part (41) extends towards the direction far away from the second clamping structure (12);

a second extension part (42) provided at the other end of the first extension part (41), the second extension part (42) extending in the axial direction of the pulley cap (21) to tension a belt.

9. Auxiliary device according to claim 8, wherein the first clamping structure (11) has a first mounting slot (114), the belt tensioning structure (40) further comprising:

a locking member (43), wherein the locking member (43) is arranged in the first mounting groove (114) after penetrating through the first extension part (41) so as to realize the connection of the first extension part (41) and the first clamping structure (11); wherein the connection position of the locking member (43) and the first mounting groove (114) is adjustable.

10. The auxiliary device as claimed in claim 9, wherein the first extension part (41) has a second mounting groove (411), the locker (43) is disposed in the first mounting groove (114) after passing through the second mounting groove (411), and a connection position of the locker (43) to the second mounting groove (411) is adjustably disposed.