Anti-rotation device for installation of gear shaft assembly

Abstract

The utility model belongs to the technical field of mechanical transmission devices, and particularly discloses a gear shaft assembly installation anti-rotation device which comprises a supporting unit and a fixing unit. The fixing unit comprises a mounting structure and a fixing structure, the mounting structure comprises an upper mounting body and a lower mounting body, the upper mounting body and the lower mounting body are detachably connected, arc-shaped structures are arranged on the sides, close to each other, of the upper mounting body and the lower mounting body, and the two arc-shaped structures are combined to form a through hole; a mounting through groove is formed in the mounting structure, the fixing structure comprises a pinion, and the pinion is arranged in the mounting through groove; one side, close to the through hole, of the mounting through groove communicates with the through hole; the pinion is detachably connected into the mounting through groove through a second fixing piece; and one side of the pinion is meshed with a gear of the gear shaft assembly after passing through the through hole. By means of the meshing relation formed between the small gear and the gear shaft assembly and the fact that the small gear is fixed through the second fixing piece, the gear shaft assembly cannot rotate, and therefore the anti-rotation purpose is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical transmission devices, and particularly relates to an anti-rotation device for installing a gear shaft assembly. Background Art

[0002] The gear shaft assembly is an important part of the gear transmission system, mainly used to support and transmit the gear rotational power. It transmits power to other mechanical parts by transmitting rotational power, realizing variable speed transmission, changing torque and controlling steering, and realizes various mechanical operations. The gear shaft assembly includes a rotating shaft and a gear mounted on the rotating shaft. During the installation of the gear shaft assembly, the gear shaft assembly is prone to rotation due to various factors, resulting in reduced installation accuracy and insufficient stability. Utility Model Content

[0003] The utility model aims to provide a gear shaft assembly installation anti-rotation device, which can ensure that the gear shaft assembly will not rotate during the installation process.

[0004] In order to achieve the above-mentioned purpose, the technical solution of the utility model is as follows: a gear shaft assembly installation anti-rotation device, comprising a supporting unit and a fixing unit, the supporting unit is used to support the rotating shaft of the gear shaft assembly, and the fixing unit is used to fix the gear of the gear shaft assembly; the fixing unit comprises a mounting structure and a fixing structure, the mounting structure comprises an upper mounting body and a lower mounting body, the upper mounting body and the lower mounting body are detachably connected by a first fixing member, and the upper mounting body and the lower mounting body are provided with arc structures on the sides close to each other, and the two groups of arc structures are combined to form a through hole that can pass through the gear shaft assembly; at least one group of mounting through grooves is provided on the mounting structure, and the fixing structure comprises at least one group of pinions, and the pinions correspond to the mounting through grooves one by one and are installed in the corresponding mounting through grooves; the side of the mounting through groove close to the through hole is connected to the through hole; the pinion is detachably connected to the mounting through groove by a second fixing member; one side of the pinion meshes with the gear of the gear shaft assembly after passing through the through hole.

[0005] Furthermore, the lower mounting body is provided with two groups of symmetrically arranged mounting through grooves.

[0006] Furthermore, a first groove and a second groove connected to the mounting groove are provided on both sides of the mounting groove, the second fixing part includes a fixing bolt and an anti-slip ring buckle, a first thread is provided at the center of the pinion gear, and a second thread is provided at the bottom of the first groove and / or the second groove, the threaded section of the fixing bolt can be threadedly connected with the first thread and the second thread, and the fixing bolt can be taken out along the depth direction of the first groove or the second groove; the head of the fixing bolt is located outside the first groove, and the diameter of the head of the fixing bolt is larger than the width of the first groove; the anti-slip ring buckle is arranged in the second groove, and the end of the threaded section of the fixing bolt protrudes from the mounting groove and is located in the anti-slip ring buckle, and the anti-slip ring buckle is used to prevent the pinion gear from slipping out of the mounting groove.

[0007] Furthermore, a reamed-off hole is provided on a side of the second groove away from the mounting through slot, the anti-slip ring buckle is installed in the reamed-off hole and can rotate in the reamed-off hole, a strip hole is provided on the anti-slip ring buckle, one side of the fixing bolt can be located in the strip hole and can slide in the strip hole, and the outer opening of the strip hole can be directly opposite to the second groove; the width of the strip hole is equal to the width of the second groove.

[0008] Furthermore, the first fixing member is a connecting bolt, and threaded holes matching the connecting bolts are correspondingly provided on the upper mounting body and the lower mounting body, and the connecting bolts fix the upper mounting body and the lower mounting body by being threadedly connected with the threaded holes.

[0009] Furthermore, the support unit includes a base plate and two groups of support plates, the two groups of support plates are respectively fixed on both sides of the base plate, the fixing unit is located between the two groups of support plates, and the upper sides of the two groups of support plates are provided with a groove structure for supporting the rotating shaft of the gear shaft assembly.

[0010] Furthermore, the groove structure is a triangular groove.

[0011] Furthermore, the bottom of the lower mounting body is configured as a planar structure, and the lower mounting body is fixed to the base plate.

[0012] The method of using this technical solution is as follows:

[0013] ① Place the gear shaft assembly in the arc structure of the lower mounting body, and the support plates on both sides support the rotating shaft of the gear shaft assembly.

[0014] ② Place the upper mounting body on the lower mounting body, and make the threaded holes on the upper mounting body and the lower mounting body face each other. Use connecting bolts to fix the upper mounting body and the lower mounting body. The gear shaft assembly is located in the through hole.

[0015] ③ Push the pinion into the installation slot and adjust the pinion so that the pinion meshes with the gear of the gear shaft assembly.

[0016] ④ Then fix the pinion with your hands to prevent it from rotating. Insert the fixing bolt from one side of the first groove and rotate it so that the fixing bolt is connected with the second thread at the bottom of the first groove and the first thread inside the pinion. Until the head of the fixing bolt abuts against the outer side of the first groove, and the end of the fixing bolt is located in the second groove and the strip hole.

[0017] ⑤Finally, rotate the anti-drop ring buckle so that the opening of the strip hole is offset from the second groove, so that the fixing bolt cannot slip out of the strip hole.

[0018] ⑥ After the gear shaft assembly is installed, rotate the anti-drop ring buckle so that the opening of the strip hole is aligned with the second groove. At this time, the fixing bolt and the pinion gear can be directly taken out. Then remove the connecting bolt to separate the upper mounting body and the lower mounting body, and the gear shaft assembly can be separated from the device.

[0019] The beneficial effect of the technical solution is that the gear shaft assembly cannot rotate by forming a meshing relationship between the pinion and the gear shaft assembly and fixing the pinion with a fixing bolt, thereby achieving the purpose of anti-rotation. In addition, by providing a second thread at the bottom of the first groove or the second groove, the pinion can not only be fixed, but also the pinion and the fixing bolt can be quickly removed. The anti-drop ring buckle can prevent the fixing bolt from slipping out of the first groove and the second groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is an axonometric view of the first groove direction in the anti-rotation device for installing a gear shaft assembly of the utility model;

[0021] Figure 2 This is an axonometric view of the second groove direction in the anti-rotation device for installing a gear shaft assembly of the utility model;

[0022] Figure 3 for Figure 1 Structural schematic diagram of the installation structure;

[0023] Figure 4 for Figure 1 Schematic diagram of the structure of the fixed unit. DETAILED DESCRIPTION

[0024] The following is further described in detail through specific implementation methods:

[0025] The figure marks in the drawings of the specification include: base plate 1, support plate 2, groove structure 3, lower mounting body 4, upper mounting body 5, gear shaft assembly 6, through hole 7, threaded hole 8, mounting through groove 9, first groove 10, second groove 11, fixing bolt 12, pinion 13, anti-drop ring buckle 14, strip hole 15, and expanded hole 16.

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] The embodiment is basically as shown in the attached Figure 1-4 As shown: A gear shaft assembly is equipped with an anti-rotation device, such as Figure 1 , 2 As shown, it includes a supporting unit and a fixing unit. The supporting unit is used to support the rotating shaft of the gear shaft assembly 6. The supporting unit includes a base plate 1 and two groups of supporting plates 2. The two groups of supporting plates 2 are respectively fixed on both sides of the base plate 1. The fixing unit is located between the two groups of supporting plates 2. The upper sides of the two groups of supporting plates 2 are provided with a groove structure 3 for supporting the rotating shaft of the gear shaft assembly 6. The groove structure 3 is a triangular groove.

[0028] The fixing unit is used to fix the gear of the gear shaft assembly 6; the fixing unit includes a mounting structure and a fixing structure, such as Figure 3 As shown, the mounting structure includes an upper mounting body 5 and a lower mounting body 4, the bottom of the lower mounting body 4 is set as a plane structure, and the lower mounting body 4 is fixed to the bottom plate 1. The upper mounting body 5 and the lower mounting body 4 are detachably connected by a first fixing member, and the first fixing member adopts a connecting bolt. The upper mounting body 5 and the lower mounting body 4 are correspondingly provided with threaded holes 8 matching the connecting bolts, and the connecting bolts are threadedly connected with the threaded holes 8 to fix the upper mounting body 5 and the lower mounting body 4. The upper mounting body 5 and the lower mounting body 4 are both provided with an arc structure on one side close to each other, and the two groups of arc structures are combined to form a through hole 7 that can pass the gear shaft assembly 6.

[0029] like Figure 1 , 2As shown in Figures 4 and 5, at least one group of mounting grooves 9 is provided on the mounting structure, and the fixed structure includes at least one group of pinions 13. The pinions 13 correspond to the mounting grooves 9 one by one and are installed in the corresponding mounting grooves 9. Specifically, in the technical solution, two groups of symmetrically arranged mounting grooves 9 are provided on the lower mounting body 4, and one group of mounting grooves 9 is provided on the top of the upper mounting body 5. The side (inner side) of the mounting groove 9 close to the through hole 7 is connected to the through hole 7, and one side of the pinion 13 is meshed with the gear of the gear shaft assembly 6 after passing through the through hole 7. The mounting groove 9 is provided with a first groove 10 and a second groove 11 on both sides in the axial direction thereof, and a second thread is provided at the bottom of the first groove 10 and / or the second groove 11. The pinion 13 is detachably connected to the mounting groove 9 through a second fixing member. Specifically, the second fixing member includes a fixing bolt 12 and an anti-drop ring buckle 14, and the length of the threaded section of the fixing bolt 12 is greater than the axial length of the pinion 13. The center of the pinion 13 is provided with a first thread, and the threaded section of the fixing bolt 12 can be threadedly connected with the first thread and the second thread, and the fixing bolt 12 can be taken out along the depth direction of the first groove 10 or the second groove 11. The head of the fixing bolt 12 is located outside the first groove 10, and the diameter of the head of the fixing bolt 12 is greater than the width of the first groove 10. The second groove 11 is provided with a reamer 16 on the side away from the installation groove 9, and the anti-drop ring buckle 14 is installed in the reamer 16 and can rotate in the reamer 16. The anti-drop ring buckle 14 is provided with a strip hole 15, and the outer opening of the strip hole 15 can be directly opposite to the second groove 11; the width of the strip hole 15 is equal to the width of the second groove 11. The end of the threaded section of the fixing bolt 12 can be located in the strip hole 15 and can slide in the strip hole 15, and the anti-drop ring buckle 14 is used to prevent the pinion 13 from sliding out of the installation groove 9.

[0030] The specific usage is as follows:

[0031] ① Place the gear shaft assembly 6 in the arc structure of the lower mounting body 4 , and the support plates 2 on both sides support the rotating shaft of the gear shaft assembly 6 .

[0032] ② Cover the upper mounting body 5 on the lower mounting body 4 , and make the threaded holes 8 on the upper mounting body 5 and the lower mounting body 4 face each other, use connecting bolts to fix the upper mounting body 5 and the lower mounting body 4 , and the gear shaft assembly 6 is located in the through hole 7 .

[0033] ③ Push the pinion 13 into the installation groove 9 and adjust the pinion 13 so that the pinion 13 meshes with the gear of the gear shaft assembly 6.

[0034] ④ Then fix the pinion 13 by hand to prevent it from rotating. Insert the fixing bolt 12 from one side of the first groove 10 and rotate it so that the fixing bolt 12 is connected with the second thread at the bottom of the first groove 10 and the first thread inside the pinion 13. Until the head of the fixing bolt 12 abuts against the outer side of the first groove 10, and the end of the fixing bolt 12 is located in the second groove 11 and the strip hole 15.

[0035] ⑤ Finally, rotate the anti-drop ring buckle 14 so that the opening of the strip hole 15 is offset from the second groove 11 , so that the fixing bolt 12 cannot slide out of the strip hole 15 .

[0036] ⑥ After the gear shaft assembly 6 is installed, rotate the anti-drop ring buckle 14 so that the opening of the strip hole 15 is aligned with the second groove 11, and then the fixing bolt 12 and the pinion 13 can be directly removed. Then remove the connecting bolts to separate the upper mounting body 5 and the lower mounting body 4, and the gear shaft assembly 6 can be separated from the device.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] The above is only an embodiment of the utility model. The common sense such as the known specific structure and characteristics in the scheme is not described in detail here. The ordinary technicians in the relevant field know all the common technical knowledge in the technical field of the utility model before the application date or priority date, can obtain all the existing technologies in the field, and have the ability to apply the conventional experimental means before that date. The ordinary technicians in the relevant field can improve and implement this scheme in combination with their own abilities under the enlightenment given by this application. Some typical known structures or known methods should not become obstacles for ordinary technicians in the relevant field to implement this application. It should be pointed out that for the technicians in this field, without departing from the structure of the utility model, several deformations and improvements can be made, which should also be regarded as the protection scope of the utility model, which will not affect the effect of the implementation of the utility model and the practicality of the patent. The protection scope required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to explain the content of the claims.

Claims

1. A gear shaft assembly anti-rotation device, characterized in that: The invention comprises a supporting unit and a fixing unit, wherein the supporting unit is used to support the rotating shaft of the gear shaft assembly (6), and the fixing unit is used to fix the gear of the gear shaft assembly (6); the fixing unit comprises a mounting structure and a fixing structure, wherein the mounting structure comprises an upper mounting body (5) and a lower mounting body (4), wherein the upper mounting body (5) and the lower mounting body (4) are detachably connected via a first fixing member, and an arc structure is provided on the side where the upper mounting body (5) and the lower mounting body (4) are close to each other, and the two groups of arc structures are combined to form a structure capable of being passed through the gear shaft assembly. (6) through hole (7); at least one group of mounting through grooves (9) is provided on the mounting structure, and the fixing structure includes at least one group of pinions (13), the pinions (13) correspond to the mounting through grooves (9) one by one and are installed in the corresponding mounting through grooves (9); the side of the mounting through groove (9) close to the through hole (7) is connected to the through hole (7); the pinion (13) is detachably connected to the mounting through groove (9) through a second fixing member; one side of the pinion (13) is meshed with the gear of the gear shaft assembly (6) after passing through the through hole (7).

2. The anti-rotation device for mounting a gear shaft assembly according to claim 1, characterized in that: The lower mounting body (4) is provided with two groups of symmetrically arranged mounting through grooves (9).

3. The anti-rotation device for mounting a gear shaft assembly according to claim 1, characterized in that: A first groove (10) and a second groove (11) are provided on both sides of the installation groove (9) and are connected thereto; the second fixing member comprises a fixing bolt (12) and an anti-dropping ring buckle (14); a first thread is provided at the center of the pinion gear (13); a second thread is provided at the bottom of the first groove (10) and / or the second groove (11); a threaded section of the fixing bolt (12) can be threadedly connected with the first thread and the second thread, and the fixing bolt (12) can be taken out along the depth direction of the first groove (10) or the second groove (11); a head of the fixing bolt (12) is located outside the first groove (10), and a diameter of the head of the fixing bolt (12) is greater than a width of the first groove (10); the anti-dropping ring buckle (14) is provided in the second groove (11); an end of the threaded section of the fixing bolt (12) extends out of the installation groove (9) and is located in the anti-dropping ring buckle (14); the anti-dropping ring buckle (14) is used to prevent the pinion gear (13) from sliding out of the installation groove (9).

4. The anti-rotation device for mounting a gear shaft assembly according to claim 3, characterized in that: A reaming hole (16) is provided on a side of the second groove (11) away from the installation groove (9); the anti-slip ring buckle (14) is installed in the reaming hole (16) and can rotate in the reaming hole (16); a strip hole (15) is provided on the anti-slip ring buckle (14); one side of the fixing bolt (12) can be located in the strip hole (15) and can slide in the strip hole (15); the outer opening of the strip hole (15) can be directly opposite to the second groove (11); the width of the strip hole (15) is equal to the width of the second groove (11).

5. The anti-rotation device for mounting a gear shaft assembly according to claim 1, characterized in that: The first fixing member adopts a connecting bolt, and threaded holes (8) matching the connecting bolts are correspondingly provided on the upper mounting body (5) and the lower mounting body (4), and the connecting bolts fix the upper mounting body (5) and the lower mounting body (4) by being threadedly connected with the threaded holes (8).

6. The anti-rotation device for mounting a gear shaft assembly according to claim 1, characterized in that: The support unit comprises a base plate (1) and two groups of support plates (2), the two groups of support plates (2) being fixed on both sides of the base plate (1), respectively, the fixing unit being located between the two groups of support plates (2), and the upper sides of the two groups of support plates (2) being provided with a groove structure (3) for supporting the rotating shaft of the gear shaft assembly (6).

7. The anti-rotation device for mounting a gear shaft assembly according to claim 6, characterized in that: The groove structure (3) is a triangular groove.

8. The anti-rotation device for mounting a gear shaft assembly according to claim 6, characterized in that: The bottom of the lower mounting body (4) is configured as a planar structure, and the lower mounting body (4) is fixed to the base plate (1).

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