Adjustable gear connection shaft

Abstract

The application discloses an adjustable gear connecting shaft, which comprises a gear shaft body, a fixing disc is fixed to the side of the gear shaft body, an adjusting assembly is arranged in the inside of the gear shaft body, the adjusting assembly comprises a screw rod, the screw rod is arranged at the inside midpoint of the gear shaft body, and a plurality of groups of connecting columns are fixed to the side of the connecting disc. The adjustable gear connecting shaft is provided with a connecting disc and a driving assembly. In use, the screw rod is driven to rotate through the driving assembly, the screw rod drives the sleeve ring and the gear to move outside the gear shaft body through the connecting disc and the connecting columns, and then the gear can be adjusted to be out of position with a speed reducer when the gear shaft body is disassembled, so that the speed reducer engaged with the gear does not need to be disassembled when the gear shaft body is disassembled, the disassembly difficulty of the gear shaft body is reduced, and the driving assembly can also limit the screw rod after adjustment, so that the position of the gear is prevented from being deviated due to the autorotation of the screw rod, and the stability is improved.

Description

Technical Field

[0001] This invention relates to the technical field of gear shafts, specifically to an adjustable gear connecting shaft. Background Technology

[0002] Gear shafts are the carriers of gears and an essential type of bearing in mechanical equipment structures. They are commonly used components that transmit power, speed, or displacement from one place to another, ensuring the continuous and stable operation of mechanical equipment. They are one of the most important components in mechanical equipment.

[0003] Chinese patent CN216895667U discloses a detachable gear shaft, comprising a drive gear shaft, a gear disc, a limiting disc, and a connecting assembly. The limiting disc is sleeved on the outside of the drive gear shaft, and the gear disc is mounted on the limiting disc via the connecting assembly. The limiting disc has a limiting groove and a circular hole. The connecting assembly includes a mounting block, a limiting block, and a telescopic spring. The mounting block is fixedly connected to the gear disc and slidably connected to the limiting disc, and cooperates with the limiting groove. The mounting block has a mounting groove, and the telescopic spring is fixedly connected to the mounting block and located in the mounting groove. The limiting block is fixedly connected to the telescopic spring and slidably connected to the mounting block. By detachably mounting the gear disc on the limiting disc of the drive gear shaft, it is convenient to replace a damaged gear disc without replacing the drive gear shaft, thereby saving material on the drive gear shaft.

[0004] In summary, since gears typically mesh with horizontal or vertical reduction gears to drive equipment rotation, and because the meshing connection between gears and reduction gears is quite tight, the aforementioned patent makes it inconvenient to separate the gear from the reduction gear when disassembling the gear shaft. Therefore, when disassembling the gear shaft, the meshing reduction gear must also be removed, significantly increasing the time required for disassembling and replacing the gear shaft and affecting maintenance efficiency. Secondly, the aforementioned patent uses a small push rod inserted into the limiting groove through a circular hole on the right side of the limiting plate. The push rod contacts the inclined surface of the limiting block and pushes the limiting block back into place. In the groove, the gear disk slides to the left to separate the gear disk from the limiting disk, thereby completing the separation of the gear shaft from the gear disk. Although the gear shaft of the above patent can achieve the purpose of disassembling the gear, because it is equipped with multiple sets of round holes and limiting blocks, multiple small push rods need to be operated simultaneously to extend into the limiting groove when disassembling the gear. However, operating multiple push rods at the same time is difficult for the operator, as multiple push rods are not easy to push the limiting block synchronously. Therefore, the above patent is more troublesome to disassemble the gear from the shaft, and it is necessary to make constant adjustments to make multiple push rods push the limiting block at the same time, which makes disassembly more difficult. Summary of the Invention

[0005] The purpose of this invention is to provide an adjustable gear connecting shaft to solve the problems mentioned in the background art, such as the inconvenience of separating the gear from the reduction gear when disassembling the gear shaft, and the cumbersome disassembly of the gear from the shaft.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an adjustable gear connecting shaft, comprising a gear shaft body,

[0007] A fixed plate is fixed to the side of the gear shaft body, and a collar is sleeved on the outer side of the gear shaft body. A gear is fixed to the outer side of the collar, and multiple sets of insertion holes are opened on the inner wall of the collar. An adjustment component is provided inside the gear shaft body. The adjustment component is used to drive the collar and the gear to make lateral adjustments.

[0008] The adjusting component includes a screw, which is located at the midpoint inside the gear shaft body. A connecting plate is threaded onto the screw. Multiple sets of connecting posts are fixed to the side of the connecting plate. The connecting posts penetrate the gear shaft body. A sliding insert is connected to the connecting post, and one end of the insert away from the central axis of the gear shaft body is located in the insertion hole.

[0009] The fixed disk is equipped with a drive assembly, which is used to drive the screw to rotate.

[0010] By adopting the above technical solution, the drive assembly can drive the screw inside the gear shaft body to rotate. The rotation of the screw will cause the connecting disc threaded to it to move laterally. The connecting disc will drive the collar to move outside the gear shaft body through the connecting column and the insert rod, thereby causing the gear to move laterally outside the gear shaft body. This allows the gear to be adjusted to be misaligned with the reduction gear when disassembling the gear shaft body, so that the gear and the reduction gear are in a disengaged state. This eliminates the need to disassemble the reduction gear that meshes with the gear when disassembling the gear shaft body, reducing the difficulty of disassembling the gear shaft body and improving the convenience of use.

[0011] Preferably, the side of the gear shaft body has multiple sets of notches, and the connecting post is located in the notches.

[0012] By adopting the above technical solution, when the screw drives the connecting plate and the connecting column to move laterally, the connecting column will move laterally in the notch. The notch plays a role in guiding the connecting column laterally, and also plays a role in transmitting torque to the collar and gear when the gear shaft body rotates.

[0013] Preferably, a slot 2 is provided at one end of the insertion rod near the central axis of the gear shaft body, and multiple sets of wedge blocks are fixed on the inner side of the fixing plate.

[0014] By adopting the above technical solution, when it is necessary to remove the gear from the gear shaft body, the connecting plate and connecting column can be moved closer to the fixed plate by the screw. When the connecting plate is in contact with the inner side of the fixed plate, the wedge block on the inner side of the fixed plate will be inserted into the slot 2 on the insert rod, and push the insert rod on the connecting column to move closer to the central axis of the connecting plate, so that the insert rod is separated from the insertion hole on the inner wall of the collar. Compared with the comparative case, this technical solution can bring multiple insert rods closer to each other when the screw drives the connecting plate to be in contact with the inner wall of the fixed plate, and then the collar and gear can be removed from the gear shaft body, which greatly reduces the difficulty of removing the gear, thereby shortening the removal time and improving maintenance efficiency.

[0015] Preferably, the side of the connecting column is provided with a slot, and a spring is fixed in the slot. The end of the insert rod near the central axis of the gear shaft body passes through the slot and is connected to the spring.

[0016] By adopting the above technical solution, after the gear is removed from the gear shaft body and replaced, the replaced gear and collar can be placed on the outside of the connecting column, so that the insertion hole on the inner wall of the collar is aligned with the insertion rod on the connecting column. Then, the drive assembly drives the screw to rotate again, causing the screw to move the connecting plate away from the fixed plate. When the wedge block on the inner wall of the fixed plate is pulled out from the slot two on the insertion rod, the spring inside the slot one will drive the insertion rod to move away from the central axis of the connecting plate, so that the insertion rod is inserted into the insertion hole on the inner wall of the collar to limit the collar and gear, thereby completing the installation of the gear. This technical solution only requires the screw to drive the connecting plate away from the fixed plate to make the insertion rod snap into the insertion hole on the inner wall of the collar under the elastic force of the spring. The installation is convenient and helps to improve the efficiency of gear replacement.

[0017] Preferably, the outer side of the fixed plate is provided with an annular groove, the drive component includes a rectangular strip, the rectangular strip is installed at the inner midpoint of the annular groove and is connected to the screw, the outer side of the rectangular strip is fitted with a sleeve, and a gear plate is fixed to the outer side of the sleeve, and a handle is fixed to the outer side of the gear plate.

[0018] By adopting the above technical solution, the handle can be rotated to drive the gear plate to rotate, which in turn drives the sleeve to rotate. The rectangular inner wall of the sleeve will transmit torque to the rectangular bar, thereby driving the rectangular bar and the screw to rotate.

[0019] Preferably, a tension spring is fixed inside the sleeve and connected to a rectangular bar, and a limit rod is fixed above the inside of the annular groove and contacts the gear plate.

[0020] By adopting the above technical solution, when rotating the screw, the handle can be pulled outward to drive the gear plate out of the annular groove on the side of the fixed plate, so that the gear plate separates from the limiting rod in the annular groove. Since the inner wall of the sleeve is rectangular, the sleeve will slide outward on the rectangular bar. After the gear plate is completely pulled out of the annular groove, the handle and the gear plate can be rotated to drive the screw to rotate. After the gear is installed, the handle can be released. At this time, the tension spring inside the sleeve will drive the sleeve and the gear plate to be locked into the annular groove so that the limiting rod inside the annular groove can limit the gear plate, thereby preventing the gear plate, sleeve, rectangular bar and screw from rotating under vibration, so as to improve the stability of the gear after installation.

[0021] Preferably, the inner wall of the sleeve is rectangular, and the inner diameter of the sleeve corresponds to the outer diameter of the rectangular strip.

[0022] By adopting the above technical solution, the sleeve can slide on the outside of the rectangular bar and also transmit torque to the rectangular bar.

[0023] Compared with the prior art, the beneficial effects of the present invention are: the adjustable gear connecting shaft,

[0024] (1) It is equipped with a connecting plate and a drive assembly. When in use, the drive assembly can drive the screw to rotate, so that the screw can drive the collar and gear to move outside the gear shaft body through the connecting plate and the connecting column. In this way, when disassembling the gear shaft body, the gear can be adjusted to be misaligned with the reduction wheel, so that the reduction wheel meshing with the gear can be disassembled without disassembling the gear shaft body, reducing the difficulty of disassembling the gear shaft body. After adjustment, the drive assembly can also limit the screw, thereby preventing the screw from rotating and causing the position of the gear to shift, thus improving its stability.

[0025] (2) It is equipped with a plug rod and a wedge block. When the gear is removed from the gear shaft body, the connecting plate and the connecting column can be moved closer to the fixed plate by the screw. This allows the wedge block on the inner side of the fixed plate to be inserted into the slot 2 on the plug rod, thereby pushing the plug rod to move closer to the central axis of the connecting plate. This separates the plug rod from the insertion hole on the inner wall of the collar, thus completing the disassembly of the collar and the gear. Compared with the comparative case, this greatly reduces the difficulty of removing the gear, shortens the disassembly time, and improves the maintenance efficiency. Attached Figure Description

[0026] Figure 1 This is a front view structural diagram of the present invention;

[0027] Figure 2 This is a side cross-sectional view of the main body of the gear shaft of the present invention;

[0028] Figure 3 This is a side view of the connecting disc and connecting column of the present invention;

[0029] Figure 4 This is a schematic diagram of the fixed disk structure of the present invention;

[0030] Figure 5 This is a schematic diagram of the collar structure of the present invention;

[0031] Figure 6 This is a schematic cross-sectional view of the fixed disk structure of the present invention;

[0032] Figure 7 This is a schematic diagram of the cross-sectional structure of the sleeve of the present invention;

[0033] Figure 8 This is a side view schematic diagram of the rectangular strip and sleeve structure of the present invention.

[0034] In the diagram: 1. Gear shaft body, 2. Fixed disc, 3. Collar, 4. Gear, 5. Insertion hole, 6. Adjustment component, 601. Screw, 602. Connecting disc, 603. Connecting column, 604. Insert rod, 7. Notch, 8. Slot 1, 9. Spring, 10. Slot 2, 11. Wedge block, 12. Annular groove, 13. Drive component, 1301. Rectangular bar, 1302. Sleeve, 1303. Tension spring, 1304. Gear disc, 1305. Handle, 1306. Limiting rod. Detailed Implementation

[0035] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0036] Please see Figure 1-8 The present invention provides a technical solution: an adjustable gear connecting shaft, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, a fixed disk 2 is fixed to the side of the gear shaft body 1, and a collar 3 is sleeved on the outside of the gear shaft body 1. A gear 4 is fixed on the outside of the collar 3, and multiple sets of insertion holes 5 are opened on the inner wall of the collar 3. An adjustment component 6 is provided inside the gear shaft body 1. The adjustment component 6 is used to drive the collar 3 and the gear 4 to make lateral adjustments.

[0037] The adjusting component 6 includes a screw 601, which is located at the midpoint inside the gear shaft body 1. A connecting plate 602 is threaded onto the screw 601. Multiple sets of connecting posts 603 are fixed to the side of the connecting plate 602. The connecting posts 603 penetrate the gear shaft body 1. A sliding connecting rod 604 is connected to the connecting post 603. One end of the connecting rod 604 away from the central axis of the gear shaft body 1 is located in the insertion hole 5.

[0038] The fixed disk 2 is equipped with a drive assembly 13, which is used to drive the screw 601 to rotate.

[0039] like Figure 1 and Figure 2 As shown, the side of the gear shaft body 1 has multiple sets of notches 7, and the connecting post 603 is located in the notches 7.

[0040] like Figure 2 , Figure 3 and Figure 4 As shown, the insertion rod 604 has a slot 10 at one end near the central axis of the gear shaft body 1, and multiple sets of wedge blocks 11 are fixed on the inner side of the fixing plate 2.

[0041] like Figure 2 and Figure 3 As shown, a slot 8 is provided on the side of the connecting column 603, and a spring 9 is fixed in the slot 8. The end of the insert rod 604 near the central axis of the gear shaft body 1 passes through the slot 8 and is connected to the spring 9.

[0042] like Figure 1 and Figure 6 As shown, an annular groove 12 is provided on the outer side of the fixed plate 2. The drive assembly 13 includes a rectangular bar 1301. The rectangular bar 1301 is installed at the midpoint inside the annular groove 12 and is connected to the screw 601. A sleeve 1302 is sleeved on the outer side of the rectangular bar 1301, and a gear plate 1304 is fixed on the outer side of the sleeve 1302. A handle 1305 is fixed on the outer side of the gear plate 1304.

[0043] like Figure 1 , Figure 6 and Figure 7 As shown, a tension spring 1303 is fixed inside the sleeve 1302 and is connected to the rectangular bar 1301. A limit rod 1306 is fixed above the inside of the annular groove 12 and is in contact with the gear plate 1304.

[0044] like Figure 7 and Figure 8 As shown, the inner wall of the sleeve 1302 is rectangular, and the inner diameter of the sleeve 1302 corresponds to the outer diameter of the cross section of the rectangular strip 1301.

[0045] Working principle: When it is necessary to remove the gear shaft body 1 on the equipment, first pull the handle 1305 outward to drive the gear plate 1304 out of the annular groove 12 on the side of the fixed plate 2, so that the gear plate 1304 is separated from the limiting rod 1306 in the annular groove 12. Then rotate the handle 1305 to drive the gear plate 1304 and the sleeve 1302 to rotate. The sleeve 1302 will drive the rectangular bar 1301 and the screw 601 to rotate, so that the screw 601 will drive the connecting plate 602 to move laterally. The connecting plate 602 will drive the collar 3 and the gear 4 to move outside the gear shaft body 1 through the connecting post 603 and the insert rod 604, so that the gear 4 and the reduction gear connected to it are misaligned, and the gear shaft body 1 can be disassembled without disassembling the reduction gear.

[0046] When it is necessary to replace the gear 4 on the gear shaft body 1, rotate the handle 1305 again to drive the gear disc 1304, sleeve 1302, rectangular bar 1301 and screw 601 to rotate. This causes the screw 601 to drive the connecting disc 602 and connecting post 603 to move closer to the fixed disc 2. This causes the wedge block 11 on the inner side of the fixed disc 2 to engage in the slot 10 on the insert rod 604. At this time, the wedge block 11 will push the insert rod 604 on the connecting post 603 to move closer to the central axis of the connecting disc 602, causing the insert rod 604 to separate from the insertion hole 5 on the inner wall of the collar 3. Then the collar 3 and gear 4 can be removed and replaced. After the gear 4 is replaced, the gear 4 and collar 3 can be fitted onto the outside of the connecting post 603, so that the insertion hole 5 on the inner wall of the collar 3 is aligned with the insert rod 604 on the connecting post 603. Then rotate the handle 1305 again to drive the gear disc 1304, sleeve 1302, rectangular bar 1301 and screw 601 to rotate. The rotation of tube 1302, rectangular bar 1301, and screw 601 causes screw 601 to drive connecting plate 602 and connecting post 603 to move away from fixed plate 2. When wedge block 11 on inner wall of fixed plate 2 is pulled out from slot 10 on insert rod 604, spring 9 inside slot 1 will drive insert rod 604 to move away from central axis of connecting plate 602, so that insert rod 604 is inserted into insertion hole 5 on inner wall of collar 3 to limit collar 3 and gear 4, thereby completing the installation of gear 4. Then, release handle 1305 so that tension spring 1303 inside sleeve 1302 drives sleeve 1302 and gear 1304 to engage in annular groove 12, so that limiting rod 1306 inside annular groove 12 limits gear 1304, thereby locking screw 601 and preventing the position of gear 4 from shifting due to screw 601's rotation.

[0047] This completes the entire operation, and anything not described in detail in this specification is prior art known to those skilled in the art.

[0048] The terms “center,” “longitudinal,” “lateral,” “front,” “rear,” “left,” “right,” “vertical,” “horizontal,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of the present invention.

[0049] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An adjustable gear connecting shaft, comprising a gear shaft body (1), characterized in that: A fixed plate (2) is fixed to the side of the gear shaft body (1), and a collar (3) is sleeved on the outside of the gear shaft body (1). A gear (4) is fixed to the outside of the collar (3), and multiple sets of insertion holes (5) are opened on the inner wall of the collar (3). An adjustment component (6) is provided inside the gear shaft body (1). The adjustment component (6) is used to drive the collar (3) and the gear (4) to make lateral adjustments. The adjustment component (6) includes a screw (601), which is located at the midpoint inside the gear shaft body (1). A connecting plate (602) is threaded onto the screw (601). Multiple sets of connecting posts (603) are fixed to the side of the connecting plate (602). The connecting posts (603) penetrate the gear shaft body (1). A sliding plug (604) is connected to the connecting post (603). One end of the plug (604) away from the central axis of the gear shaft body (1) is located in the insertion hole (5). The gear shaft body (1) has multiple sets of notches (7) on its side, and the connecting post (603) is located in the notches (7); The fixed disk (2) is provided with a drive assembly (13) inside, which is used to drive the screw (601) to rotate; The insertion rod (604) has a slot 2 (10) at one end near the central axis of the gear shaft body (1), and multiple sets of wedge blocks (11) are fixed on the inner side of the fixing plate (2). The fixed plate (2) has an annular groove (12) on its outer side. The drive assembly (13) includes a rectangular strip (1301). The rectangular strip (1301) is installed at the midpoint of the annular groove (12) and is connected to the screw (601). A sleeve (1302) is fitted on the outer side of the rectangular strip (1301), and a gear plate (1304) is fixed on the outer side of the sleeve (1302). A handle (1305) is fixed on the outer side of the gear plate (1304). A tension spring (1303) is fixed inside the sleeve (1302), and the tension spring (1303) is connected to the rectangular bar (1301). A limit rod (1306) is fixed above the inside of the annular groove (12). The limiting rod (1306) is in contact with the gear plate (1304); The inner wall of the sleeve (1302) is rectangular, and the inner diameter of the sleeve (1302) corresponds to the outer diameter of the cross section of the rectangular strip (1301).

2. The adjustable gear connecting shaft according to claim 1, characterized in that: The side of the connecting column (603) is provided with a slot (8), and a spring (9) is fixed in the slot (8). The end of the insert rod (604) near the central axis of the gear shaft body (1) passes through the slot (8) and is connected to the spring (9).

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